CN110512746A - A kind of split type built-in fitting of precast stair and its application method - Google Patents
A kind of split type built-in fitting of precast stair and its application method Download PDFInfo
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- CN110512746A CN110512746A CN201910766952.7A CN201910766952A CN110512746A CN 110512746 A CN110512746 A CN 110512746A CN 201910766952 A CN201910766952 A CN 201910766952A CN 110512746 A CN110512746 A CN 110512746A
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- external thread
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
- 239000010959 steel Substances 0.000 claims abstract description 62
- 239000004568 cement Substances 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000001680 brushing effect Effects 0.000 claims description 3
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000009408 flooring Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
- E04B1/4164—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head with an adjustment sleeve
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The present invention relates to building fittings technical fields, disclose a kind of split type built-in fitting of precast stair and its application method, including pre-embedded steel slab, the quadrangle on the top of the pre-embedded steel slab is provided through skew-swept airfoil component, the top of the skew-swept airfoil component, which is threadably secured, is connected with straight screw arbor assembly, the pre-embedded steel slab includes hollow steel plate, and the quadrangle on the top of the hollow steel plate offers mounting hole.The present invention is by being in advance embedded in pre-embedded steel slab in precast stair, pass through hollow steel plate and steel bar and cement concrete cohesive force, to enhance the intensity and bearing capacity between built-in fitting and precast stair and between precast stair and precast stair, it ensure that the safety that precast stair uses, by the way that double thread bar is mounted in the internal threaded column of skew-swept airfoil at the construction field (site), it is installed together two precast stairs by fixinig plate, the first nut and the second nut again, it is easy to operate, difficulty of construction is low, and work efficiency is high.
Description
Technical field
The present invention relates to building fittings technical field, the split type built-in fitting of specifically a kind of precast stair and its user
Method.
Background technique
Stair are the important components of multilayer and Bases in High Building Construction, while in hydraulic and hydroelectric engineering construction, also being held
Carry on a shoulder pole important role, the characteristics of due to building itself, stair mating for indoor and outdoor generally require bench high, single flight across
Degree is big, and pedal bears the requirements such as live load is big, and relative to traditional cast-in-situ stair, precast stair has speed of application fast, former material
Many advantages, such as material consumption is low, high-quality, and be widely used, and the connection between precast stair is with regard to needing to use built-in fitting.
Chinese patent discloses a kind of split type built-in fitting of precast stair and its application method (Authorization Notice No.
CN109339247A), which is designed by the hole countersunk of pre-embedded bolt hole, can accommodate certain body when being poured concrete
Long-pending concrete, increases the contact area of precast stair and cast-in-place node, and the concrete boss of formation reduces precast stair
Positional shift, when vertical stud, the first nut, the second nut realize when hole can not centering when, rear-mounted stud remain to by
Precast stair and cast-in-place node link together, and improve connection safety coefficient while improving and lifting efficiency, but pre-buried
Bonding strength between part and precast stair and between precast stair and precast stair is not high, under the action of larger external force
It easily deforms, and when precast stair assembles at the scene, it is inconvenient and time-consuming and laborious.Therefore, those skilled in the art mention
A kind of split type built-in fitting of precast stair and its application method are supplied, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of the present invention is to provide a kind of split type built-in fitting of precast stair and its application methods, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of split type built-in fitting of precast stair and its application method, including pre-embedded steel slab, the top of the pre-embedded steel slab
Quadrangle be provided through skew-swept airfoil component, the top of the skew-swept airfoil component, which is threadably secured, is connected with straight screw rod group
Part, the pre-embedded steel slab include hollow steel plate, and the quadrangle on the top of the hollow steel plate offers mounting hole, and hollow steel plate
The middle part on top be fixedly connected with several steel bars by welding, the skew-swept airfoil component includes skew-swept airfoil, described
The lower end engagement in the outside of skew-swept airfoil is connected with top nut, and the lower end in the outside of skew-swept airfoil is engaged close to the bottom end of top nut and connected
It is connected to lower nut, the straight screw arbor assembly includes double thread bar, and the upper end in the outside of the double thread bar is socketed with fixation
Piece, and close to the top of fixinig plate, engagement is connected with the first nut, the double thread bar for the upper end in the outside of double thread bar
Outside upper end close to the first nut top engagement be connected with the second nut.
As a further solution of the present invention: the skew-swept airfoil includes curved rod, and the top of the curved rod is fixedly connected
There is internal threaded column, and the lower end of curved rod offers external thread groove.
As further scheme of the invention: the straight screw arbor assembly includes straight-bar, and the upper end of the straight-bar offers
Second external thread groove, and the lower end of straight-bar offers the first external thread groove, the outside of the straight-bar is opened up close to the top of straight-bar
There is outer-hexagonal nut.
As further scheme of the invention: the inside of the external thread groove penetrating mounting holes, the lower nut are located at
The bottom end of hollow steel plate, the top nut are located at the bottom end of hollow steel plate, and the external thread groove and hollow steel plate pass through top nut
It is fixedly connected with lower nut.
As further scheme of the invention: first external thread groove engages connection by screw thread with internal threaded column,
First nut and the second nut engage connection by screw thread with the second external thread groove.
As further scheme of the invention: its implementation, comprising the following steps:
S1, it first checks, clear up template, and to the inner wall brushing release agent of template, then, the mould of bottom end and side being installed
Plate, according still further to the requirement assembling reinforcement mesh sheet of setting；
S2, elder generation are clockwise screwed into top nut the upper end in the outside of external thread groove, then external thread groove is applied in mounting hole
Inside, wherein the top of hollow steel plate is close in top nut, then, then twists clockwise from the bottom end of hollow steel plate lower nut
Enter the lower end in the outside of external thread groove, similarly, four corners of hollow steel plate is made to be respectively mounted a skew-swept airfoil component；
S3, the inside for being embedded into internal threaded column using rubber stopper, then, the pre-embedded steel slab and skew-swept airfoil being installed together
Component is put into togerther in the reinforced mesh bound in S1, and wherein pre-embedded steel slab is located at the upper end inside reinforced mesh, skew-swept airfoil
The top of component and the lower surface of template are concordant, and reserve several groups counterbore in the lower end of reinforced mesh；
The template on the top and the other side reserved in S4, installation S1, is poured by the hole that template top is reserved into template
Cement concrete is built, then, is vibrated to the cement concrete poured；
After the completion of S5, maintenance, form removal forms precast stair, and carries out processing appropriate to the surface of precast stair
And repairing；
After S6, precast stair are transported to construction site, the rubber stopper being mounted on the inside of internal threaded column in S3 is extracted, spanner is utilized
It is stuck in the outside of outer-hexagonal nut, double thread bar is screwed into the inside of internal threaded column；
S7, the side of the bottom end of the second precast stair is put into the first precast stair top side, wherein first is pre-
Counterbore of the straight screw arbor assembly on stair top processed through the second precast stair bottom end then covers fixinig plate on the inside of counterbore
On double thread bar, then successively the first nut and the second nut are screwed into clockwise in the second external thread groove, to just complete
The assembly of one precast stair and the second precast stair can assemble the precast stair of different number according to actual needs；
After S8, precast stair are completed, using cement mortar to the counterbore of the precast stair of lowermost end and top
The internal threaded column of precast stair is blocked, and is recycled cement concrete to pour the side of raised plate, is made raised plate
Side is concordant with flooring or floor, to complete the installation of precast stair and building, connection.
Compared with prior art, beneficial effects of the present invention:
By the way that pre-embedded steel slab is embedded in precast stair in advance, bonded by hollow steel plate and steel bar and cement concrete
Power is protected to enhance the intensity and bearing capacity between built-in fitting and precast stair and between precast stair and precast stair
The safety that precast stair uses has been demonstrate,proved, by the way that double thread bar is mounted in the internal threaded column of skew-swept airfoil at the construction field (site),
It is installed together two precast stairs by fixinig plate, the first nut and the second nut again, easy to operate, difficulty of construction is low,
Work efficiency is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a kind of split type built-in fitting of precast stair and its application method；
Fig. 2 is the structural schematic diagram of pre-embedded steel slab in a kind of split type built-in fitting of precast stair and its application method；
Fig. 3 is the structural schematic diagram of curved rod component in a kind of split type built-in fitting of precast stair and its application method；
Fig. 4 is the structural schematic diagram of straight screw arbor assembly in a kind of split type built-in fitting of precast stair and its application method；
Fig. 5 is the structural schematic diagram of skew-swept airfoil in a kind of split type built-in fitting of precast stair and its application method；
Fig. 6 is the structural schematic diagram of double thread bar in a kind of split type built-in fitting of precast stair and its application method；
Fig. 7 is the first precast stair and the second precast stair in a kind of split type built-in fitting of precast stair and its application method
Decomposition diagram；
Fig. 8 is the first precast stair and the second precast stair in a kind of split type built-in fitting of precast stair and its application method
Assembling schematic diagram；
Fig. 9 is the enlarged diagram of A in Fig. 8.
In figure: 1, pre-embedded steel slab；11, hollow steel plate；12, mounting hole；13, steel bar；2, skew-swept airfoil component；21, skew-swept airfoil；
211, curved rod；212, internal threaded column；213, external thread groove；22, top nut；23, lower nut；3, straight screw arbor assembly；31, double end
Threaded rod；311, straight-bar；312, outer-hexagonal nut；313, the first external thread groove；314, the second external thread groove；32, fixinig plate；
33, the first nut；34, the second nut；4, the first precast stair；5, the second precast stair；6, counterbore；7, raised plate.
Specific embodiment
Please refer to Fig. 1~9, in the embodiment of the present invention, a kind of split type built-in fitting of precast stair and its application method, including
Pre-embedded steel slab 1, the quadrangle on the top of pre-embedded steel slab 1 are provided through skew-swept airfoil component 2, and the top of skew-swept airfoil component 2 passes through
It is screwed and is connected with straight screw arbor assembly 3, pre-embedded steel slab 1 includes hollow steel plate 11, and the quadrangle on the top of hollow steel plate 11 is opened
Equipped with mounting hole 12, the middle part on the top of hollow steel plate 11 is fixedly connected with several steel bars 13, curved spiral shell by welding
Bar assembly 2 includes skew-swept airfoil 21, and the lower end in the outside of skew-swept airfoil 21, which is engaged, is connected with top nut 22, under the outside of skew-swept airfoil 21
It holds and is connected with lower nut 23 close to the engagement of the bottom end of top nut 22, straight screw arbor assembly 3 includes double thread bar 31, double thread bar
The upper end in 31 outside is socketed with fixinig plate 32, and the upper end in the outside of double thread bar 31 is engaged close to the top of fixinig plate 32 to be connected
It is connected to the first nut 33, engagement is connected with the second nut close to the top of the first nut 33 for the upper end in the outside of double thread bar 31
34。
In Fig. 5: skew-swept airfoil 21 includes curved rod 211, and the top of curved rod 211 is fixedly connected with internal threaded column 212, curved
The lower end of connecting rod 211 offers external thread groove 213, so as to install skew-swept airfoil 21 at the construction field (site), prevents precast stair from existing
During transhipment, skew-swept airfoil 21 is caused to deform.
In Fig. 6: straight screw arbor assembly 3 includes straight-bar 311, and the upper end of straight-bar 311 offers the second external thread groove 314, directly
The lower end of bar 311 offers the first external thread groove 313, and the outside of straight-bar 311 offers outer-hexagonal spiral shell close to the top of straight-bar 311
Cap 312 so that site operation personnel be facilitated to assemble, and improves the intensity of precast stair assembly.
In fig. 3 and in fig. 5: the inside of 213 penetrating mounting holes 12 of external thread groove, lower nut 23 are located at the bottom of hollow steel plate 11
End, top nut 22 are located at the bottom end of hollow steel plate 11, external thread groove 213 and hollow steel plate 11 and pass through top nut 22 and lower nut 23
It is fixedly connected, pre-embedded steel slab 1 and skew-swept airfoil component 2 is fitted together to facilitate.
In fig. 5 and fig.: the first external thread groove 313 engages connection, the first nut 33 by screw thread with internal threaded column 212
Connection is engaged by screw thread with the second external thread groove 314 with the second nut 34, to facilitate skew-swept airfoil component 2 and straight screw rod
Component 3 fits together.
In Fig. 1~9: its implementation, comprising the following steps:
S1, it first checks, clear up template, and to the inner wall brushing release agent of template, then, the mould of bottom end and side being installed
Plate, according still further to the requirement assembling reinforcement mesh sheet of setting；
S2, elder generation are clockwise screwed into top nut 22 upper end in the outside of external thread groove 213, then external thread groove 213 is run through
In the inside of mounting hole 12, wherein the top of hollow steel plate 11 is close in top nut 22, by top nut 22 to external thread groove 213
It is positioned, then, then from the bottom end of hollow steel plate 11 lower nut 23 is screwed into clockwise under the outside of external thread groove 213
End similarly, makes hollow steel plate to make skew-swept airfoil 21 be fixed together with hollow steel plate 11 with lower nut 23 by top nut 22
11 four corners are respectively mounted a skew-swept airfoil component 2；
S3, the inside for being embedded into internal threaded column 212 using rubber stopper make internal threaded column 212 keep sealing, then, peace
The pre-embedded steel slab 1 and skew-swept airfoil component 2 being fitted together are put into togerther in the reinforced mesh bound in S1, wherein pre-embedded steel slab 1
Upper end inside reinforced mesh, the top of skew-swept airfoil component 2 and the lower surface of template are concordant, and in the lower end of reinforced mesh
Reserved several groups counterbore 6；
The template on the top and the other side reserved in S4, installation S1, is poured by the hole that template top is reserved into template
Cement concrete is built, then, is vibrated to the cement concrete poured, until there is laitance in the surface of cement concrete, and
No longer there is bubble；
After the completion of S5, maintenance, form removal forms precast stair, and carries out processing appropriate to the surface of precast stair
And repairing, guarantee surface zero defect；
After S6, precast stair are transported to construction site, the rubber stopper for being mounted on 212 inside of internal threaded column in S3 is extracted, is utilized
Spanner is stuck in the outside of outer-hexagonal nut 312, double thread bar 31 is screwed into the inside of internal threaded column 212, makes double thread bar
31 are fixed together with skew-swept airfoil 21；
S7, the side of the bottom end of the second precast stair 5 is put into the first precast stair 4 top side, wherein first
The straight screw arbor assembly 3 on 4 top of precast stair runs through the counterbore 6 of 5 bottom end of the second precast stair, then, 32 sets of fixinig plate heavy
On the double thread bar 31 of 6 inside of hole, then the first nut 33 and the second nut 34 are successively screwed into the second external thread groove clockwise
On 314, to just complete the assembly of the first precast stair 4 and the second precast stair 5, it can assemble according to actual needs
The precast stair of different number；
After S8, precast stair are completed, using cement mortar to the counterbore 6 of the precast stair of lowermost end and top
The internal threaded column 212 of precast stair is blocked, and is recycled cement concrete to pour the side of raised plate 7, is made protrusion
The side of plate 7 is concordant with flooring or floor, to complete the installation of precast stair and building, connection.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of split type built-in fitting of precast stair and its application method, including pre-embedded steel slab (1), the pre-embedded steel slab (1)
The quadrangle on top is provided through skew-swept airfoil component (2), and the top of the skew-swept airfoil component (2), which is threadably secured, to be connected with
Straight screw arbor assembly (3), which is characterized in that the pre-embedded steel slab (1) includes hollow steel plate (11), the top of the hollow steel plate (11)
The quadrangle at end offers mounting hole (12), and the middle part on the top of hollow steel plate (11) is fixedly connected with by welding
Several steel bars (13), the skew-swept airfoil component (2) include skew-swept airfoil (21), the lower end engagement in the outside of the skew-swept airfoil (21)
It is connected with top nut (22), and close to the bottom end of top nut (22), engagement is connected with lower nut for the lower end in the outside of skew-swept airfoil (21)
(23), the straight screw arbor assembly (3) includes double thread bar (31), and the upper end in the outside of the double thread bar (31) is socketed with
Fixinig plate (32), and close to the top of fixinig plate (32), engagement is connected with the first nut for the upper end in the outside of double thread bar (31)
(33), close to the top of the first nut (33), engagement is connected with the second nut for the upper end in the outside of the double thread bar (31)
(34)。
2. a kind of split type built-in fitting of precast stair according to claim 1 and its application method, which is characterized in that described
Skew-swept airfoil (21) includes curved rod (211), and the top of the curved rod (211) is fixedly connected with internal threaded column (212), and curved company
The lower end of bar (211) offers external thread groove (213).
3. a kind of split type built-in fitting of precast stair according to claim 1 and its application method, which is characterized in that described
Straight screw arbor assembly (3) includes straight-bar (311), and the upper end of the straight-bar (311) offers the second external thread groove (314), and straight-bar
(311) lower end offers the first external thread groove (313), and the outside of the straight-bar (311) is opened up close to the top of straight-bar (311)
There are outer-hexagonal nut (312).
4. a kind of split type built-in fitting of precast stair according to claim 2 and its application method, which is characterized in that described
The inside of external thread groove (213) penetrating mounting holes (12), the lower nut (23) are located at the bottom end of hollow steel plate (11), it is described on
Nut (22) is located at the bottom end of hollow steel plate (11), and the external thread groove (213) and hollow steel plate (11) pass through top nut (22)
It is fixedly connected with lower nut (23).
5. a kind of split type built-in fitting of precast stair according to claim 2 or 3 and its application method, which is characterized in that
First external thread groove (313) engages connection, first nut (33) and the second spiral shell by screw thread with internal threaded column (212)
Female (34) engage connection by screw thread with the second external thread groove (314).
6. any split type built-in fitting of precast stair and its application method according to claim 1~5, its implementation,
The following steps are included:
S1, it first checks, clear up template, and to the inner wall brushing release agent of template, then, the template of bottom end and side being installed, then
Assembling reinforcement mesh sheet according to set requirements；
S2, elder generation are clockwise screwed into top nut (22) upper end in the outside of external thread groove (213), then external thread groove (213) is passed through
It is through the inside of mounting hole (12), wherein the top of hollow steel plate (11) is close in top nut (22), then, then from hollow steel plate
(11) bottom end is clockwise screwed into lower nut (23) lower end in the outside of external thread groove (213), similarly, makes hollow steel plate (11)
Four corners be respectively mounted a skew-swept airfoil component (2)；
S3, the inside for being embedded into internal threaded column (212) using rubber stopper, then, the pre-embedded steel slab (1) that is installed together and curved
Screw arbor assembly (2) is put into togerther in the reinforced mesh bound in S1, and wherein pre-embedded steel slab (1) is located at upper inside reinforced mesh
End, the top of skew-swept airfoil component (2) is concordant with the lower surface of template, and reserves several groups counterbore (6) in the lower end of reinforced mesh；
The template on the top and the other side reserved in S4, installation S1, pours water into template by the hole that template top is reserved
Cement concrete then vibrates to the cement concrete poured；
After the completion of S5, maintenance, form removal forms precast stair, and carries out processing appropriate to the surface of precast stair and repair
It mends；
It after S6, precast stair are transported to construction site, extract and is mounted on rubber stopper on the inside of internal threaded column (212) in S3, using pulling
Hand is stuck in the outside of outer-hexagonal nut (312), double thread bar (31) is screwed into the inside of internal threaded column (212)；
S7, the side of the bottom end of the second precast stair (5) is put into the first precast stair (4) top side, wherein first
The straight screw arbor assembly (3) on precast stair (4) top runs through the counterbore (6) of the second precast stair (5) bottom end, then, fixinig plate
(32) it covers on the double thread bar (31) on the inside of counterbore (6), then successively the first nut (33) and the second nut (34) up time
Needle is screwed on the second external thread groove (314), so that the assembly of the first precast stair (4) Yu the second precast stair (5) is just completed, it can
According to actual needs, the precast stair of different number can be assembled；
After S8, precast stair are completed, using cement mortar to the pre- of the counterbore (6) of the precast stair of lowermost end and top
The internal threaded column (212) of stair processed is blocked, and is recycled cement concrete to pour the side of raised plate (7), is made convex
The side of starting board (7) is concordant with flooring or floor, to complete the installation of precast stair and building, connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910766952.7A CN110512746A (en) | 2019-08-20 | 2019-08-20 | A kind of split type built-in fitting of precast stair and its application method |
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| CN201910766952.7A CN110512746A (en) | 2019-08-20 | 2019-08-20 | A kind of split type built-in fitting of precast stair and its application method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2188608Y (en) * | 1994-07-08 | 1995-02-01 | 北京利科劳务服务公司 | Interlocking colour surface stone |
| BR9600382A (en) * | 1995-02-14 | 1998-03-03 | Saint Gobain Isover | System for mounting and fixing a coating on a surface to be coated |
| US20050252123A1 (en) * | 2004-05-14 | 2005-11-17 | Karen Colonias | Construction connector anchor cage system |
| CN201753482U (en) * | 2010-08-04 | 2011-03-02 | 中太建设集团股份有限公司 | Embedded part in cast-in-place concrete member |
| CN106284877A (en) * | 2016-08-05 | 2017-01-04 | 成都市第四建筑工程公司 | Assembled stair and installation method thereof |
| CN109339247A (en) * | 2018-11-12 | 2019-02-15 | 中国十七冶集团有限公司 | A kind of split type built-in fitting of precast stair and its application method |
| CN208777595U (en) * | 2018-08-17 | 2019-04-23 | 浙江中天建筑产业化有限公司 | A structurally stable prefabricated staircase |
| CN209099789U (en) * | 2018-10-29 | 2019-07-12 | 山西省工业设备安装集团有限公司 | A kind of isolated footing pre-embedded anchoring bolts positioning device |
-
2019
- 2019-08-20 CN CN201910766952.7A patent/CN110512746A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2188608Y (en) * | 1994-07-08 | 1995-02-01 | 北京利科劳务服务公司 | Interlocking colour surface stone |
| BR9600382A (en) * | 1995-02-14 | 1998-03-03 | Saint Gobain Isover | System for mounting and fixing a coating on a surface to be coated |
| US20050252123A1 (en) * | 2004-05-14 | 2005-11-17 | Karen Colonias | Construction connector anchor cage system |
| CN201753482U (en) * | 2010-08-04 | 2011-03-02 | 中太建设集团股份有限公司 | Embedded part in cast-in-place concrete member |
| CN106284877A (en) * | 2016-08-05 | 2017-01-04 | 成都市第四建筑工程公司 | Assembled stair and installation method thereof |
| CN208777595U (en) * | 2018-08-17 | 2019-04-23 | 浙江中天建筑产业化有限公司 | A structurally stable prefabricated staircase |
| CN209099789U (en) * | 2018-10-29 | 2019-07-12 | 山西省工业设备安装集团有限公司 | A kind of isolated footing pre-embedded anchoring bolts positioning device |
| CN109339247A (en) * | 2018-11-12 | 2019-02-15 | 中国十七冶集团有限公司 | A kind of split type built-in fitting of precast stair and its application method |
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