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WO2018145624A1 - Procédé de construction de ligne de séparation horizontale de pile flexible et appareil de construction associé - Google Patents

Procédé de construction de ligne de séparation horizontale de pile flexible et appareil de construction associé Download PDF

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Publication number
WO2018145624A1
WO2018145624A1 PCT/CN2018/075428 CN2018075428W WO2018145624A1 WO 2018145624 A1 WO2018145624 A1 WO 2018145624A1 CN 2018075428 W CN2018075428 W CN 2018075428W WO 2018145624 A1 WO2018145624 A1 WO 2018145624A1
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WO
WIPO (PCT)
Prior art keywords
plate
bottom plate
rigid foam
edge
pier
Prior art date
Application number
PCT/CN2018/075428
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English (en)
Chinese (zh)
Inventor
屈振学
郑杨
李庆春
于海军
Original Assignee
中铁十九局集团有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中铁十九局集团有限公司 filed Critical 中铁十九局集团有限公司
Publication of WO2018145624A1 publication Critical patent/WO2018145624A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/02—Piers; Abutments ; Protecting same against drifting ice

Definitions

  • the invention relates to the technical field of bridge engineering construction, in particular to a construction method and a construction device for a horizontal joint broken joint of a flexible bridge pier.
  • the bridges are multi-span bridges.
  • the multi-span bridges are provided with rigid abutments at both ends, and the middle piers are all set as flexible piers, so that when the piers are subjected to the jack thrust, Large horizontal displacement can occur within a safe range, and the horizontal connection between the bridge piers is completely blocked in the direction of the bridge, so that each pier alone receives the braking force or traction force generated by the bridge.
  • the horizontal thrust of the pier is distributed according to the stiffness of each pier, the horizontal thrust distributed to each pier is small, and the safety of the bridge is protected.
  • a decorative block is generally arranged on the outer side of the pier to decorate the bridge, and in order to make the decorative block can be used normally, it is necessary to ensure that the decorative block does not participate in the overall stress of the pier.
  • the decorative block due to the large horizontal displacement of the pier when subjected to horizontal thrust, the decorative block is often more or less affected by the horizontal thrust on the pier, resulting in damage to the decorative block, which poses a safety hazard.
  • the conventional practice is to cut horizontal seams on the formed decorative blocks to minimize the horizontal thrust on the piers received by the decorative blocks.
  • the horizontal seams cut by the construction method have shallow depth, difficult cutting, and seaming. The size and effect are not guaranteed, the construction safety risks are high, and the cost is high.
  • the decorative block due to the shallow depth of the cut horizontal seam, the decorative block will still be subjected to the horizontal thrust on the pier, which will cause the decorative block to be easily damaged, posing a safety hazard.
  • the main object of the present invention is to provide a construction method for a horizontally-separated joint of a flexible bridge pier which is simple in operation, large in seam depth, high in seam precision, and good in seam quality.
  • Another object of the present invention is to provide a horizontal joint break joint construction device for a flexible bridge pier which is simple in structure, convenient in manufacture, simple in construction method, and capable of improving high seam precision and good seam quality.
  • the present invention provides a construction method for a horizontally-separated joint of a flexible pier, wherein the method includes a molding step: installing on the opposite sides of the bridged unit on the top surface of the piped pier section
  • the first bottom plate and the second bottom plate are arranged on the first bottom plate in the order of the first rigid foam plate and the first edge plate on the outer side of the piped pier unit.
  • a second rigid foam board and a second edge pumping plate are sequentially arranged on the board along the bridge toward the stage of the cast bridge pier, and the first top plate is mounted on the first rigid foam board and the first edge board.
  • a supporting template fixed connection, the second bottom plate, the second edge plate, and the second top plate are fixedly connected to the first supporting template, and the second supporting template is installed along the outer peripheral contour of the top surface to form a cavity to be poured
  • Pouring and curing steps to the cavity to be poured Concreting the concrete and curing the poured concrete; demoulding step: after the concrete curing is completed, releasing the first bottom plate, the first edge plate, the first floor plate, the second floor plate, the first a fixed connection between the second edge plate and the second top plate and the first support plate, and sequentially removing the first edge plate and the second edge plate, the first bottom plate and the second bottom plate, first The top plate and the second top plate remove the first rigid foam plate and the second rigid foam plate.
  • the above construction method can ensure that the pier joint can greatly improve the seaming precision and the seam quality of the horizontally separated joint during construction, and the construction method can simplify the construction process and greatly improve the horizontal score.
  • the depth of the component of the partition is ensured while ensuring the size of the seam.
  • the problem of constructing a horizontally-separated joint with a shallow seam depth can be effectively solved in the prior art.
  • the construction method further comprises a processing step before the step of performing the molding, the processing step is: cleaning the top surface, and pre-burying the steel bars of the unit section to be poured on the top surface.
  • the molding step further comprises: a first bottom plate, a first edge plate, a first top plate, a second bottom plate, a second edge plate, and a second top plate.
  • the mounting position of the plate and the second support template is checked and corrected.
  • the molding step further comprises: wrapping the first film material on the side of the first bottom plate, the first rigid foam plate and the first top plate near the interior of the poured pier unit, and the second The bottom plate, the second rigid foam plate, and the second top plate are adjacent to the inner side of the cast bridge unit segment and include a second film material.
  • the method for constructing a horizontally-separated joint of a flexible pier may further include a step of molding: installing a first bottom plate and a second bottom on opposite sides of the bridge in the area to be constructed of the pier on the platform
  • the first hard foam board and the first edge pumping board are sequentially installed on the first bottom plate in the first bottom plate, and the first edge plate is sequentially arranged on the second bottom plate along the bridge direction.
  • a second top plate is mounted on the plate, a support template is installed along the outer contour of the area to be constructed, and a cavity to be poured is formed, and the first bottom plate, the first edge plate, and the first top plate are fixedly connected to the support plate.
  • the pouring and curing steps pouring concrete to the cavity to be poured, and curing the poured concrete; Mold step: completed in concrete maintenance And releasing the first bottom plate, the first edge plate, the first top plate, the second bottom plate, the second edge plate, and the second top plate and the supporting template fixed connection, and sequentially removing the first The edge sealing plate and the second edge sealing plate, the first bottom plate and the second bottom plate, the first top plate and the second top plate, and the first rigid foam plate and the second rigid foam plate are removed .
  • the above construction method can ensure that the pier joint can greatly improve the seaming precision and the seam quality of the horizontally separated joint during construction, and the construction method can simplify the construction process and greatly improve the horizontal score.
  • the depth of the component of the partition is ensured while ensuring the size of the seam.
  • it can effectively solve the problem that the prior art can only use the cutting method to construct the horizontally-separated fracture with shallow seam depth, and also solve the difficulty of horizontal separation and fracture construction of the cap and the first section of the pier section. .
  • the construction method further comprises a processing step before the step of performing the molding, the processing steps are: cleaning the treated area, and pre-burying the steel bars to be poured in the area to be constructed.
  • the molding step further comprises: a first bottom plate, a first edge plate, a first top plate, a second bottom plate, a second edge plate, and a second top plate.
  • the mounting position of the plate and the support template is checked and corrected.
  • the molding step further comprises: wrapping the first film material on the side of the first bottom plate, the first rigid foam plate and the first top plate adjacent to the interior of the poured bridge block in the area to be constructed, The second film material is wrapped on the side of the second bottom plate, the second rigid foam plate and the second top plate near the inside of the area to be constructed.
  • the present invention provides a horizontal piercing joint construction device for a flexible pier, which comprises a combined pumping plate comprising a bottom plate, a rigid foam plate, an edge sealing plate and a top pumping.
  • the rigid foam board is located above the bottom plate and adjacent to the bottom plate, the first side of the rigid foam board is flush with the second side of the bottom plate, and the edge plate is located above the bottom plate and is pumped with the bottom layer
  • the plate is adjacent, the third side of the edge sealing plate is adjacent to the fourth side of the rigid foam board, the fourth side is opposite to the second side, and the top plate is located above the rigid foam board and the edge sealing plate, and the top layer is drawn
  • the plates are respectively adjacent to the rigid foam board and the edge sealing plate, and the fifth side of the top plate is flush with the first side.
  • the horizontal separation break joint, and the flexible joint pier horizontal separation joint construction device has the advantages of simple structure and convenient manufacture, and the construction method and construction process of the flexible joint pier horizontal separation joint construction device are simple, compared with the prior art, It is possible to construct a horizontally-separated joint with a large seam depth.
  • the flexible pier horizontal splitting fracture construction device further comprises a film material, and the film material is wrapped on the first side, the second side and the fifth side.
  • FIG. 1 is a structural schematic view showing an embodiment of a horizontal joint break joint construction device for a flexible pier according to the present invention.
  • FIG. 2 is a schematic view showing the construction position of a horizontal piercing joint construction device for a flexible pier according to a first embodiment of a horizontal split joint construction method for a flexible pier of the present invention.
  • FIG. 3 is a schematic view showing the relative position of a horizontal piercing joint construction device of a flexible pier and a piped pier section of the first embodiment of the horizontal joint broken joint construction method of the flexible pier according to the present invention.
  • FIG. 4 is a schematic view showing the first construction state of the first embodiment of the horizontal joint broken joint construction method of the flexible pier according to the present invention.
  • Figure 5 is a schematic view showing the second construction state of the first embodiment of the horizontal joint broken joint construction method of the flexible pier according to the present invention.
  • FIG. 6 is a schematic view showing the third construction state of the first embodiment of the horizontal joint broken joint construction method of the flexible pier according to the present invention.
  • Figure 7 is a fourth schematic view showing the fourth construction state of the first embodiment of the horizontal joint broken joint construction method of the flexible pier of the present invention.
  • Figure 8 is a fifth schematic view showing the fifth construction state of the first embodiment of the horizontal joint broken joint construction method of the flexible pier according to the present invention.
  • Figure 9 is a schematic view showing the relative position of a horizontal piercing joint construction device of a flexible pier and a bridge pier to be constructed in a second embodiment of the horizontal joint broken joint construction method of the flexible pier according to the present invention.
  • Figure 10 is an enlarged view of A in Figure 2.
  • a flexible pier horizontal splitting joint construction apparatus 1 includes a combined pumping plate including a bottom plate 2, a rigid foam plate 3, a sealing plate 4, a top plate 5, and a film material 6.
  • the bottom plate 2 is used for mounting on the top surface of the poured pier unit segment 91 or on the to-be-constructed area of the pier on the platform 92;
  • the bottom plate 2, the edge plate 4 and the top plate 5 are both Made of steel, the bottom plate 2, the edge plate 4 and the top plate 5 can have sufficient deformation resistance during use, and the horizontal separation can be improved when the concrete is to be poured.
  • the precision of the seam and the quality of the seam are obtained, and the seam size of the horizontally separated joint can be better controlled.
  • the rigid foam board 3 is located above the bottom plate 2, and the rigid foam board 3 is adjacent to the bottom plate 2, and further, the first side 31 of the rigid foam board 3 is flush with the second side 21 of the bottom plate 2 Qi.
  • the edge sealing plate 4 is located above the bottom plate 2, and the edge plate 4 is adjacent to the bottom plate 2, and further, the third side 41 of the edge plate 4 and the second side 32 of the rigid foam plate 3 Adjacent, the second side 32 of the rigid foam board 3 is disposed opposite the first side 31.
  • the edge sealing plate 4 is used to encapsulate the rigid foam board 3. Among them, the edge sealing plate 4 and the rigid foam plate 3 have the same thickness.
  • the top plate 5 is located above the rigid foam plate 3 and the edge sealing plate 4, and the top plate 5 is adjacent to the rigid foam plate 3 and the edge sealing plate 4, respectively, and the fifth side of the top plate 5 51 is flush with the first side 31 of the rigid foam board 3.
  • the film material 6 is a PE film, and the film material 6 is wrapped on the first side 31 of the rigid foam board 3, the second side 21 of the bottom plate 2 and the fifth side 51 of the top plate 5, opposite to the first side 31, The second side 21 and the fifth side 51 are packaged.
  • the side of the combined pumping plate encapsulating the film material 6 is located near the middle of the pier unit section to be constructed, and by encapsulating the film material on the first side 31, the second side 21 and the fifth side 51, it is possible to prevent When the concrete is to be poured in the section of the pier to be constructed, the concrete does not mix into the gap between the bottom plate 2 and the rigid foam plate 3, and the gap between the rigid foam plate 3 and the top plate 5.
  • the bottom plate 2 is provided with a first connecting hole 22, the edge plate 4 is provided with a second connecting hole 42, and the top plate 5 is provided with a third connecting hole 52, and the first connecting hole 22,
  • the second connection hole 42 and the third connection hole 52 are arranged coaxially.
  • the first connecting hole 22, the second connecting hole 42, and the third connecting hole 52 are provided with a radius.
  • the bottom plate 2, the edge-sealing plate 4 and the top layer are simultaneously passed through the first connection hole 22, the second connection hole 42, and the third connection hole 52 by screws.
  • the pumping plate 5 is fixed on the supporting formwork of the poured bridge pier unit section, and then the fixing function of the horizontal joint broken joint construction device 1 of the flexible pier is ensured, and the installation precision of the horizontal joint broken joint construction device 1 of the flexible pier is ensured, thereby ensuring the construction. Horizontally separates the seam quality and seaming accuracy of the joint.
  • the bottom plate 2 is provided with a first hole 23 at an end away from the first side 31
  • the edge plate 4 is provided with a second hole 43 at an end away from the first side 31
  • the third suction hole 53 is provided at one end away from the first side surface 31.
  • the distance between the axis of the second pumping hole 43 and the first side surface 31 is greater than the distance between the third pumping hole 53 and the first side surface, and the distance between the third pumping hole 53 and the first side surface is greater than the first pumping distance.
  • the horizontal joint break joint construction device of the flexible pier provided by the embodiment has the advantages of simple structure, convenient manufacture and simple construction method, and compared with the prior art, the horizontal piercing joint construction device is manufactured by the flexible pier.
  • the horizontal split seam has the advantages of high seam precision and good seam quality.
  • the construction method of the horizontally dividing the joint of the flexible pier is constructed by using the horizontal joint broken joint construction device of the flexible pier in the above embodiment, wherein the first bottom plate 20 and the first rigid foam are used.
  • the top plate 500 and the second film material 600 have the same structure. 4 to 8
  • the construction method of the first bottom plate 20, the first rigid foam plate 30, the first edge plate 40, the first top plate 50, and the first film material 60 is taken as an example. The molding steps are explained.
  • the construction method includes: a pretreatment step:
  • the top surface of the poured pier unit segment 91 is cleaned so that the top surface of the poured pier portion 91 can be adhered to the concrete to be poured, and the connection quality between the pier unit segments is improved, thereby improving the pier
  • the construction quality guarantees the safety of the pier in later use.
  • the reinforcing bars of the pier section to be poured are pre-buried on the top surface of the cleaned pier unit segment 91 after the cleaning, and the pre-embedded steel bars ensure that the pier section to be poured has sufficient strength after molding.
  • first bottom platen 20 and the second bottom platen 200 are respectively mounted on the top surfaces of the bridged pier unit segments 91 along opposite sides of the bridge X.
  • the first rigid foam board 30 and the first edge sealing plate 40 are sequentially mounted on the first bottom plate 20 along the bridge X toward the poured bridge unit segment 91;
  • the second rigid foam plate 300 and the second edge sealing plate 400 are sequentially mounted on the second bottom plate 250 along the bridge X toward the poured pier unit segment 91.
  • a first top plate 50 is mounted on the first rigid foam plate 30 and the first edge sealing plate 40; similarly, the second rigid foam plate 300 and the second edge sealing plate 400 are mounted on the second rigid foam plate 300 and the second edge sealing plate 400.
  • Two top plate 500 is mounted on the first rigid foam plate 30 and the first edge sealing plate 40; similarly, the second rigid foam plate 300 and the second edge sealing plate 400 are mounted on the second rigid foam plate 300 and the second edge sealing plate 400.
  • the first film material 60 is wrapped around the first bottom plate 20, the first rigid foam plate 30, and the first top plate 50 near the inside of the segment unit 91 of the cast bridge; similarly, The second bottom plate 250, the second rigid foam plate 30, and the second top plate 500 are wrapped around the interior of the segment unit 91 of the cast bridge to encase the second film material 600.
  • the concrete pouring of the new pier unit can be effectively prevented.
  • the concrete does not flow into the gap between the first bottom plate 20, the first rigid foam plate 30, and the first top plate 50, preventing the consolidated concrete from hindering the demolding.
  • the second film material 600 is wrapped around one side of the second bottom plate 200, the second rigid foam plate 300 and the second top plate 500, which can effectively prevent the new pier unit from being carried out.
  • the concrete When the concrete is poured, the concrete does not flow into the gap between the second bottom plate 200, the second rigid foam plate 300, and the second top plate 500, preventing the consolidated concrete from hindering the demolding.
  • the first film material 60 and the second film material 600 can facilitate mold release and release mold resistance when the mold release treatment is performed.
  • the first bottom plate 20, the first edge plate 40, the first top plate 50, and the first support template 7 on the cast bridge unit segment 91 are bolted.
  • the first bottom platen 20, the first edge plate 40, the first top plate 50, the second bottom plate 200, the second edge plate 400, and the second top plate 500 are in a new section of the pier section When concrete is poured, it is deflected by the extrusion of concrete.
  • a second support template 8 is mounted along the outer peripheral contour of the top surface of the cast pier unit segment 91, and a cavity 93 to be poured is formed.
  • first bottom plate 20, the first edge plate 40, the first top plate 50, the second bottom plate 200, the second edge plate 400, the second top plate 500, and the second are completed.
  • the installation positions of the respective suction plates and the second support template 8 are inspected and corrected to prevent a large error in the positions of the respective suction plates and the second support template 8, thereby avoiding the influence of the horizontal separation of the fractures. Seam size, seaming accuracy and seam quality.
  • the first bottom platen 20, the first edge plate 40, and the first top plate 50 are fixedly connected to the first supporting template 7;
  • the fixed connection of the second bottom plate 250, the second edge plate 400, and the second top plate 500 to the first support template 7 is released.
  • first edge plate 40 and the second edge plate 400, the first bottom plate 20 and the second bottom plate 200, the first top plate 50, and the second top plate 500 are sequentially removed.
  • the second drawing hole 403 of the first edge sealing plate 40 is passed through the drawstring, and the first edge sealing plate 40 is drawn out, and the second edge of the second edge sealing plate 400 is passed through the pulling rope.
  • the hole is punched and the second edge plate 400 is withdrawn.
  • the first bottom hole 23 of the second bottom plate 250 is passed through the drawstring, and the first bottom plate 20 is withdrawn, and the first hole is passed through the second bottom plate 200 through the drawstring, and the first The second bottom plate 200 is withdrawn.
  • the third through hole 503 of the first top plate 50 is passed through the drawstring, and the first top plate 50 is withdrawn, and the third hole of the second top plate 500 is passed through the drawstring, and the first The second top plate 500 is withdrawn.
  • first rigid foam board 30 and the second rigid foam board 300 are removed to form a horizontal dividing slit 95, and the decorative partitions 94 are formed on both sides of the horizontal dividing slit.
  • the invention of the first embodiment of the method for constructing a horizontal piercing joint of a flexible pier is applied, and the second embodiment of the method for constructing a horizontally-separated joint of a flexible pier is different in that the level of the flexible pier is
  • the construction method of the second embodiment of the separation fracture construction method may further comprise the following steps:
  • the area to be constructed 96 of the pier on the platform 92 is cleaned so that the area to be constructed 96 can be adhered to the concrete to be poured, and the connection between the pier unit section and the area to be constructed 96 on the platform 92 is improved.
  • the quality improves the construction quality of the pier and ensures the safety of the pier in later use.
  • the steel bars to be poured into the pier section are pre-buried on the to-be-constructed area 96 of the cleaned pier, and the pre-embedded steel bars ensure that the pier section to be poured has sufficient strength after forming.
  • first bottom plate 107 and the second bottom plate 111 are respectively mounted on the opposite sides of the bridge X on the area to be constructed 96.
  • first rigid foam board 102 and the first edge sealing board 103 are sequentially installed on the first bottom platen 101 along the bridge direction X toward the area to be constructed 96; similarly, on the second bottom plate 111
  • the second rigid foam plate 112 and the second edge sealing plate 103 are sequentially installed along the bridge X toward the area to be constructed 96.
  • a first top plate 104 is mounted on the first rigid foam plate 102 and the first edge sealing plate 103; similarly, the second rigid foam plate 112 and the second edge sealing plate 113 are mounted on the second rigid foam plate 112 and the second edge sealing plate 113.
  • Two top plate 114 is mounted on the first rigid foam plate 102 and the first edge sealing plate 103; similarly, the second rigid foam plate 112 and the second edge sealing plate 113 are mounted on the second rigid foam plate 112 and the second edge sealing plate 113.
  • the first film material 105 is wrapped on the side of the first bottom plate 101, the first rigid foam plate 102 and the first top plate 104 near the inside of the area to be worked 96; similarly, the second bottom layer is pumped
  • the second film material 115 is wrapped by the side of the plate 111, the second rigid foam board 112 and the second top pumping plate 114 adjacent to the interior of the area to be worked 96.
  • the second film material 115 wraps one side of the second bottom plate 111, the second rigid foam plate 112 and the second top plate 114 to effectively prevent concrete pouring in the pier unit section. At this time, the concrete does not flow into the gap between the second bottom plate 111, the second rigid foam plate 112, and the second top plate 114, preventing the concrete after consolidation from hindering the demolding.
  • the first film material 105 and the second film material 115 can be easily released from the mold release process and the mold release resistance is small.
  • a support template 97 is mounted along the outer peripheral contour of the area to be constructed 96, and a cavity 98 to be poured is formed.
  • first bottom plate 107, the first edge plate 103, and the first top plate 104 are fixedly connected to the support template 97 by bolts; similarly, the second bottom plate 111 and the second cover are bolted.
  • the side plate 113 and the second top plate 114 are fixedly connected to the supporting template 97 to prevent the first bottom plate 101, the first edge plate 103, the first top plate 104, the second bottom plate 111, and the second
  • the edge sealing plate 113 and the second top plate 114 are offset by the extrusion of the concrete when the concrete is poured in the pier unit section.
  • first bottom plate 107, the first edge plate 103, the first top plate 104, the second bottom plate 111, the second edge plate 113, the second top plate 114, and the support template are completed.
  • the installation position of each of the pumping plates and the supporting template 97 is inspected and corrected to prevent a large error in the position of each of the pumping plates and the supporting template 97, thereby avoiding the influence of the seam size and the seaming precision of the horizontally dividing the broken seam. And the quality of the seam.
  • the concrete to be poured into the cavity 98 is poured, and the poured concrete is cured to form a pier section.
  • the first bottom plate 107, the first edge plate 103, the first top plate 104 and the template are fixedly connected; and the second bottom plate 111 is removed.
  • the two edge plate 113 and the second top plate 114 are fixedly connected to the support template 97.
  • first edge plate 105 and the second edge plate 113, the first bottom plate 101 and the second bottom plate 111, the first top plate 104, and the second top plate 114 are sequentially removed.
  • the second drawing hole of the first edge sealing plate 103 is passed through the drawstring, and the first edge sealing plate 103 is withdrawn, and the second drawing of the second edge sealing plate 113 is passed through the pulling rope.
  • the hole is taken out and the second edge plate 113 is withdrawn.
  • the first hole of the second bottom plate 111 is passed through the drawstring, and the first bottom plate 101 is withdrawn, passed through the first hole of the second bottom plate 111 through the drawstring, and the second The bottom plate 111 is withdrawn.
  • the third through hole of the first top plate 104 is passed through the drawstring, and the first top plate 104 is withdrawn, passed through the third hole of the second top plate 114 through the drawstring, and the second The top plate 114 is withdrawn.
  • first rigid foam board 102 and the second rigid foam board 112 are removed to form a horizontally divided slit.
  • the construction of the pier is continued until the construction of the pier is completed.
  • the horizontal separation joint construction method of the flexible pier provided by the invention can ensure that the pier joint can greatly improve the seaming precision and the seam quality of the horizontal separation joint during construction, and the construction method can simplify the construction process. At the same time, the depth of the component of the horizontally separated seam is greatly increased, and the size of the seam is ensured. In addition, the problem of constructing a horizontally-separated joint with a shallow seam depth can be effectively solved in the prior art.
  • the utility model has the advantages of simple operation, large seam depth, high seam precision and good seam quality.

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  • Civil Engineering (AREA)
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  • Bridges Or Land Bridges (AREA)

Abstract

L'invention concerne un procédé de construction de ligne de séparation horizontale de pile flexible et un appareil de construction associé. L'appareil de construction de ligne de séparation horizontale de pile flexible (1) comprend une plaque d'étirage combinée. La plaque d'étirage combinée comprend une plaque d'étirage inférieure (2), une plaque de mousse dure (3), une plaque d'étirage d'étanchéité de bord (4) et une plaque d'étirage supérieure (5) ; la plaque de mousse dure (3) est située au-dessus de la plaque d'étirage inférieure (2) et reliée de manière adjacente à la plaque d'étirage inférieure (2) ; une première surface latérale (31) de la plaque de mousse dure (3) est au même niveau qu'une deuxième surface latérale (21) de la plaque d'étirage inférieure (2) ; la plaque d'étirage d'étanchéité de bord (4) est située au-dessus de la plaque d'étirage inférieure (2) et reliée de manière adjacente à la plaque d'étirage inférieure (2) ; une troisième surface latérale (41) de la plaque d'étirage d'étanchéité de bord (4) est reliée de manière adjacente à une quatrième surface latérale (32) de la plaque de mousse dure (3) ; la quatrième surface latérale (32) est disposée à l'opposé de la deuxième surface latérale (21) ; la plaque d'étirage supérieure (5) est située au-dessus de la plaque de mousse dure (3) et de la plaque d'étirage d'étanchéité de bord (4) et reliée de manière adjacente à la plaque de mousse dure (3) et à la plaque d'étirage d'étanchéité de bord (4) respectivement ; une cinquième surface latérale (51) de la plaque d'étirage supérieure (5) est au même niveau que la première surface latérale (31). L'invention concerne également un procédé de construction pour l'appareil de construction. Le procédé de construction de ligne de séparation horizontale de pile flexible et l'appareil de construction associé présentent tous les deux les avantages d'une grande profondeur, d'une grande précision et d'une bonne qualité d'assemblage.
PCT/CN2018/075428 2017-02-07 2018-02-06 Procédé de construction de ligne de séparation horizontale de pile flexible et appareil de construction associé WO2018145624A1 (fr)

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CN201710067566.X 2017-02-07
CN201710067566.XA CN106835988B (zh) 2017-02-07 2017-02-07 柔性桥墩水平分隔断的缝施工方法及其施工装置

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CN106835988B (zh) * 2017-02-07 2018-07-17 中铁十九局集团第七工程有限公司 柔性桥墩水平分隔断的缝施工方法及其施工装置

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