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WO2018166523A1 - Fondation en eau profonde, dispositif de construction, et procédé de construction associé - Google Patents

Fondation en eau profonde, dispositif de construction, et procédé de construction associé Download PDF

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Publication number
WO2018166523A1
WO2018166523A1 PCT/CN2018/079257 CN2018079257W WO2018166523A1 WO 2018166523 A1 WO2018166523 A1 WO 2018166523A1 CN 2018079257 W CN2018079257 W CN 2018079257W WO 2018166523 A1 WO2018166523 A1 WO 2018166523A1
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WIPO (PCT)
Prior art keywords
foundation
chain
construction
base
rock
Prior art date
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Ceased
Application number
PCT/CN2018/079257
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English (en)
Chinese (zh)
Inventor
王燏斌
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Individual
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Individual
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Publication of WO2018166523A1 publication Critical patent/WO2018166523A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/52—Submerged foundations, i.e. submerged in open water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/52—Submerged foundations, i.e. submerged in open water
    • E02D27/525—Submerged foundations, i.e. submerged in open water using elements penetrating the underwater ground
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/28—Placing of hollow pipes or mould pipes by means arranged inside the piles or pipes

Definitions

  • the invention relates to a deep water foundation and a construction device and a construction method thereof, and belongs to the technical field of civil engineering foundation construction.
  • the existing foundation technology of the sinking well is based on excavation in the well and relies on its own gravity to overcome the frictional resistance of the well wall and sink to the design elevation to seal the bottom.
  • the main defects are: long construction period, high cost, difficult to correct, and encountered well When an obstacle such as a bottom stone is used, the blade foot is difficult to overcome and is prone to suddenness and is prone to accidents.
  • the existing caisson foundation technology needs to input compressed air to provide working conditions and push the water in the working chamber out of the room; its main defects are: complicated equipment, limited working time, low efficiency, high cost, difficult sealing, limited depth, and high pressure Under the conditions, it is prone to occupational diseases.
  • the invention provides a deep water foundation and construction device and a construction method thereof, the purpose of which is to overcome the defects of the prior art, and the main advantages thereof are:
  • the foundation is composed of an upper foundation and a lower foundation; 1) the upper foundation utilizes self weight and negative Pressed into the rock and soil, the construction is simple; 2)
  • the lower foundation is constructed in the cofferdam formed by the upper foundation, and the lower foundation itself has a combination device for excavating the bottom of the foundation rock, the factory section or the whole prefabricated foundation, the construction is simple, the construction period is short ,low cost.
  • the deep water foundation comprises an upper foundation 1 and a lower foundation 2,
  • the construction device comprises a construction device 3 of the upper foundation 1 and a construction device 4 of the lower foundation 2;
  • the upper foundation 1 is hollow, and the foundation is provided with a foundation 2 or the guiding device of the device 4, the bottom of the upper foundation 1 is cut into the rock by the construction device 3 by its own weight or negative pressure;
  • the construction device 4 includes a fixed guiding device 4-1 provided in the inner cavity of the upper foundation 1, and a chain cutter power transmission device 4-2 , spoil disposal device 4-3 and frame 4-4, device 4-2 and device 4-3 are all mounted on the frame 4-4, the device 4-2 and the base 2 and the chain knife 5 constitute a chain excavation device 6.
  • the foundation 2 is a frame of the chain excavating device 6, the chain cutter 5 only excavates the rock at the bottom of the foundation 2, and the chain cutter 5 is composed of a chain 5-1 and a cutter 5-2 for excavating the rock and soil fixed on the chain 5-1.
  • the device 4-1 guides the foundation 2 and/or the frame 4-4 to make the foundation 2 into a vertical state; during construction, the frame 4-4 and the foundation 2
  • the top is connected in one piece
  • the device 4-2 drives the chain cutter 5 to run along the track on the foundation 2, the chain cutter 5 excavates the rock at the bottom of the foundation 2, and brings the excavated geotechnical to the upper
  • the device 4-3 will chain
  • the rock 5 from the bottom of the base 1 is separated from the chain cutter 5, and the frame 4-4 is simultaneously lowered with the foundation 2, and when the foundation 2 reaches the set depth, the construction device 3 and the chain cutter 5 are removed, and the grouting is performed.
  • the foundation 1 and the foundation 2 are solidly integrated into a deep water foundation.
  • the invention has the advantages that the foundation is composed of an upper foundation and a lower foundation, the upper foundation is cut into the rock soil by its own weight and negative pressure, the lower foundation is constructed in the cofferdam formed by the upper foundation, and the lower foundation itself has a combination device for excavating the bottom rock of the foundation. , factory segmentation or overall prefabrication foundation, simple construction, short construction period and low cost.
  • FIG. 1 is a schematic view showing a construction state of a deep water foundation composed of an upper foundation 1 and a lower foundation 2, and is also a schematic structural view of the construction device 3 and the construction device 4;
  • Figure 2 is a view in the direction of arrow A of Figure 1, and is also a schematic structural view of a construction vessel 3-2 composed of a hull 3-2-1 and a lifting device 3-2-2, and the lifting device 3-2-2 is a row frame structure. a moving walking track on the planes x and y;
  • Fig. 3 is a schematic view showing the structure of the pumping unit 3-1 and the construction vessel 3-2 which constitute the construction apparatus 3, and the top of the foundation 1A is higher than the water surface, and the hull 3-2- 1 Schematic diagram of the construction work platform that forms the deep water foundation together;
  • FIG. 4 is a partial enlarged view of FIG. 1 , and is a schematic structural view of the lower base 2 being a mouth base 2A, and is also a fixed guiding device 4-1 constituting the construction device 4, a chain cutter power transmission device 4-2, and a spoil disposal device. 4-3 and the structure of the frame 4-4;
  • Figure 5 is a view in the direction of arrow A of Figure 4, which is also the chain cutter driving device 4-2-1, the chain knife tensioning device 4-2-2 and the sprocket 4-2-3 constituting the chain cutter power transmission device 4-2.
  • the structural schematic diagram is also a structural schematic diagram of a chain excavating device 6 which is provided with only the bottom bottom of each of the foundations;
  • Figure 6 is a BB view of Figure 4, which is also a cross-sectional view of the frame 4-4 of the construction device 4, and is also a structural schematic view of the mud line 7-1 of the mud line device 7 on the frame 4-4, and is also a word
  • the basic structure of the base 2A is composed of four one-word bases, and is also a structural schematic diagram of a chain conveyor composed of a side cover 8 and a chain cutter 5 of the foundation 2A with a bottom edge angle;
  • Figure 7 is a C-C view of Figure 4, and is also a schematic structural view of the mud nozzle 7-2 of the mud pipeline device 7 at the bottom of the foundation 2;
  • Figure 8 is a schematic structural view of the chain cutter 5, which is also a structural diagram of the chain 5-1 and the cutter 5-2, and is also a chain 5- consisting of A 10-byte 5-1-1 and B-decimal 5-1-2.
  • a schematic diagram of the ten-byte structure of 1 is also a schematic diagram of the structure in which the chain 5-1 realizes space bending;
  • Figure 9 is a schematic view showing the structure of a deep water foundation as a bridge foundation
  • Figure 10 is a view in the direction of arrow A of Figure 9, and is also a structural schematic diagram of a bridge foundation composed of four foundations 1A and four foundations 2A, and is also a construction platform for the deep water foundation at the top of the bridge foundation, with a lifting device at the top 3 - Schematic diagram of 2-2;
  • Figure 11 is a schematic view showing the structure of floating the prefabricated base 1A to a set position
  • Figure 12 is a schematic view of the bottom water injection of the foundation 1A, so that the foundation 1A is erected; and the bottom of the foundation 1A is embedded in the rock under the action of the self-weight of the foundation 1A, and the bottom of the foundation 1A forms a closed cavity structure;
  • Figure 13 is a schematic view showing the structure of the apparatus 1 - 3 pumping the water in the bottom of the base 1A to form a negative pressure, and the foundation 1A is lowered to a set depth under the action of the self-weight and the negative pressure;
  • Figure 14 is a schematic view showing the structure of the device 1 - 4 in the base 1A cavity by extracting the water in the cavity of the base 1A, removing the device 3-1;
  • Figure 15 is a schematic view showing the structure of the first section (i.e., the bottom section) of the base 2A-1 loading device 4-1, the chain cutter 5, the mud line 7-1, and the mounting device 4-2;
  • 16 is a schematic structural view of the rack 4-4 being synchronously lowered to a set depth along with the first segment base 2A-1;
  • Figure 17 is a schematic view showing the structure after the device 4 is separated from the first segment base 2A-1 and removed;
  • Figure 18 is a schematic view showing the structure of the second stage 2A-2 loading device 4-1, the chain cutter 5, the mud line 7-1 and the mounting device 4-2;
  • Figure 19 is a frame 4-4, the first segment base 2A-1 and the second segment base 2A-2 are simultaneously descended to a set depth;
  • Figure 20 is a schematic view showing the structure of the device 4 separated from the second segment base 2A-2 and removed;
  • Figure 21 is a schematic view showing the structure of the deep water foundation after the removal device 4 withdraws the chain cutter 5 after repeated construction.
  • 1 in the figure is the upper foundation; 1A is the upper foundation is the cylindrical foundation; 2 is the lower foundation; 2A is the lower foundation for the word foundation; 2A-1 is the first segment foundation of the foundation 2A; 2A-2 is the foundation 2A
  • the deep water foundation comprises an upper foundation 1 and a lower foundation 2, the construction device comprising a construction device 3 of the upper foundation 1 and a construction device 4 of the lower foundation 2; the upper foundation 1 is hollow, and the guiding device of the foundation 2 or the device 4 is provided in the cavity
  • the bottom of the upper foundation 1 is cut into the rock by the construction device 3 by its own weight or negative pressure; when the foundation 1 reaches the set depth, the water in the foundation 1 cavity is discharged, and the lower foundation 2 is placed in the upper foundation 1 In the cavity, the bottom of the lower foundation 2 is constructed with a chain cutter 5;
  • the construction device 4 includes a fixed guiding device 4-1 disposed in the inner cavity of the upper foundation 1, a chain cutter power transmission device 4-2, and a spoil disposal device 4- 3 and the frame 4-4, the device 4-2 and the device 4-3 are both mounted on the frame 4-4, the device 4-2 and the base 2 and the chain knife 5 constitute a chain excavating device 6, and the base 2 is chained
  • the chain cutter 5 only
  • the construction device 3 includes a pumping device 3-1 and a construction vessel 3-2.
  • the device 3-1 is integrated with the foundation 1 to generate a negative pressure at the bottom of the foundation 1.
  • the device 4-2 is composed of a chain knife driving device 4-2-1, a chain knife tensioning device 4-2-2 and a sprocket 4-2-3.
  • the foundation 1 described is a cylindrical foundation 1A.
  • the base 2 is a word base 2A, and the word base 2A is composed of four one-word bases, each of which is provided with a chain excavating device 6 for excavating only the respective bottom rock, that is, a rack of the device 4. There are four devices 4-2 on the 4-4.
  • the deep water foundation is the bridge foundation, and the bridge foundation includes several foundations 1A and several foundations 2A.
  • the frame 4-4 and the base 2 in the apparatus 4 further include a mud line device 7 connected to the mud nozzle 7-2 at the bottom of the base 2.
  • the top of the foundation 1 is above the water surface.
  • the top of the foundation 1 is a deep water-based construction work platform, and a lifting device is arranged above.
  • the frame 4-4 is synchronously lowered to the set depth along with the first segment base 2-1;
  • the removing device 4 draws the chain cutter 5 and then injects the concrete to complete the construction of the deep water foundation.
  • the deep water foundation includes an upper foundation 1A and a lower foundation 2A
  • the construction device includes a construction device 3 of the upper foundation 1A and a construction device 4 of the lower foundation 2A;
  • the upper foundation 1A is hollow, and the cavity is provided therein.
  • the lower foundation 2 is placed in the cavity of the upper foundation 1, and the bottom of the lower foundation 2 is constructed with a chain cutter 5;
  • the construction device 3 includes a pumping device 3-1 and a construction vessel 3-2, and the device 3-1 is connected to the foundation 1 Integral, the bottom of the foundation 1 generates negative pressure, 3-2 is the construction vessel, including the hull 3-2-1 and the lifting device 3-2-2, and the lifting device 3-2-2 is a row structure, which can be The x and y directions move.
  • the top of the foundation 1A is higher than the water surface.
  • the top of the foundation 1A and the hull 3-2-1 form a deep water foundation construction work platform, and the lifting device 3-2-2 is arranged above.
  • the construction device 4 includes a fixed guide 4-1, a chain cutter power transmission device 4-2, a spoil treatment device 4-3, and a frame 4-4 provided in the inner cavity of the upper base 1A.
  • the device 4-2 and the device 4-3 are both mounted on the frame 4-4, the device 4-2 and the base 2 and the chain knife 5 constitute a chain excavating device 6, and the foundation 2 is a frame of the chain excavating device 6,
  • the chain cutter 5 only excavates the rock at the bottom of the foundation 2, and the chain cutter 5 is composed of a chain 5-1 and a cutter 5-2 fixed to the rock shovel on the chain 5-1;
  • the device 4-1 is for the base 2 and/or the frame 4-4 guides to make the foundation 2A into a vertical state; during construction, the frame 4-4 is integrated with the top of the foundation 2, and the device 4-2 drives the chain cutter 5 to run along the track on the foundation 2, the chain cutter 5 Excavate the rock at the bottom of the foundation 2A and bring the excavated rock to the top.
  • the device 4-3 separates the rock from the bottom of the base 2A with the chain cutter 5, and the frame 4-4 follows
  • the foundation 2A is simultaneously lowered synchronously.
  • the construction device 3 and the chain cutter 5 are removed, and the foundation 1A and the base 2A are solidly joined to form a deep water foundation.
  • the deep water foundation is the bridge foundation, and the bridge foundation includes several foundations 1A and several foundations 2A.
  • the construction method is divided into the following steps:
  • the bottom of the foundation 1A is embedded in the rock soil, and the bottom of the foundation 1A forms a closed cavity;
  • device 4-2 drives the chain cutter 5 to run along the track on the foundation 2A-1, and the chain cutter 5 excavates the rock at the bottom of the first segment of the base 2A-1, and the excavated rock and soil Bringing to the upper, the device 4-3 separates the rock from the bottom of the base 2A-1 with the chain cutter 5;
  • the frame 4-4 is synchronously lowered to the set depth along with the first segment base 2A-1;
  • the removing device 4 draws the chain cutter 5 and then injects the concrete to complete the construction of the deep water foundation.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Earth Drilling (AREA)

Abstract

La présente invention concerne une fondation en eau profonde et un dispositif de construction. La fondation en eau profonde comprend une fondation supérieure (1) et une fondation inférieure (2) ; la fondation supérieure (1) est creuse, et un dispositif de guidage de la fondation inférieure (2) ou un dispositif de construction de fondation inférieure (4) est disposé dans la cavité ; le fond de la fondation supérieure (1) est découpé dans la roche et le sol au moyen d'un dispositif de construction de fondation supérieure (3) à l'aide du poids propre ou de la pression négative ; le fond de la fondation inférieure (2) est pourvu de dispositifs de coupe à chaîne (5) durant la construction ; le dispositif de construction de fondation inférieure (4) comprend un dispositif de guidage fixe (4-1), un dispositif de transmission de puissance de dispositif de coupe à chaîne (4-2), un dispositif de traitement de déblais (4-3), et un rail (44) qui sont disposés dans la cavité de la fondation supérieure (1). L'invention concerne également un procédé de construction pour la fondation en eau profonde et le dispositif de construction.
PCT/CN2018/079257 2017-03-17 2018-03-16 Fondation en eau profonde, dispositif de construction, et procédé de construction associé Ceased WO2018166523A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710162353.5 2017-03-17
CN201710162353.5A CN106801435A (zh) 2017-03-17 2017-03-17 一种深水基础和施工装置及其施工法

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WO2018166523A1 true WO2018166523A1 (fr) 2018-09-20

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PCT/CN2018/079257 Ceased WO2018166523A1 (fr) 2017-03-17 2018-03-16 Fondation en eau profonde, dispositif de construction, et procédé de construction associé

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WO (1) WO2018166523A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106801435A (zh) * 2017-03-17 2017-06-06 王燏斌 一种深水基础和施工装置及其施工法
CN110498347B (zh) * 2018-05-20 2021-05-11 王燏斌 一种用于装配式建筑的施工装置及其施工法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985021A (ja) * 1982-11-05 1984-05-16 Kajima Corp 地下連続壁工法及びその工法に使用する装置
JPS62233328A (ja) * 1986-04-01 1987-10-13 Fusao Sakano 爪付篦型バケットを備えた掘削装置本体を介して置き去り式に擁壁を設置する設置装置
JPH04179726A (ja) * 1990-11-13 1992-06-26 Kazutoshi Isachi 簡易地下連続壁工法における壁体用部材と該壁体用部材を使用した簡易地下連続壁工法
CN1412391A (zh) * 2002-07-12 2003-04-23 天津大学 壁端带开挖装置的大型混凝土圆筒结构及下沉方法
CN103015455A (zh) * 2012-04-25 2013-04-03 中交第二航务工程局有限公司 桥梁桩桶组合基础及其施工方法
CN105544597A (zh) * 2015-12-14 2016-05-04 中铁大桥局集团有限公司 适用于潟湖相岛礁环境下的组合基础结构及其施工方法
CN106801435A (zh) * 2017-03-17 2017-06-06 王燏斌 一种深水基础和施工装置及其施工法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3388665B2 (ja) * 1996-02-02 2003-03-24 株式会社テノックス 深層地盤の連続軽量改良工法
CN102493484B (zh) * 2011-12-23 2014-01-15 中铁大桥局股份有限公司 裙筒式深水大型基础及其施工方法
CN105735337A (zh) * 2016-03-17 2016-07-06 王燏斌 桥梁深水沉井基础施工法
CN105821874A (zh) * 2016-03-28 2016-08-03 王燏斌 螺旋筒形基础施工法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985021A (ja) * 1982-11-05 1984-05-16 Kajima Corp 地下連続壁工法及びその工法に使用する装置
JPS62233328A (ja) * 1986-04-01 1987-10-13 Fusao Sakano 爪付篦型バケットを備えた掘削装置本体を介して置き去り式に擁壁を設置する設置装置
JPH04179726A (ja) * 1990-11-13 1992-06-26 Kazutoshi Isachi 簡易地下連続壁工法における壁体用部材と該壁体用部材を使用した簡易地下連続壁工法
CN1412391A (zh) * 2002-07-12 2003-04-23 天津大学 壁端带开挖装置的大型混凝土圆筒结构及下沉方法
CN103015455A (zh) * 2012-04-25 2013-04-03 中交第二航务工程局有限公司 桥梁桩桶组合基础及其施工方法
CN105544597A (zh) * 2015-12-14 2016-05-04 中铁大桥局集团有限公司 适用于潟湖相岛礁环境下的组合基础结构及其施工方法
CN106801435A (zh) * 2017-03-17 2017-06-06 王燏斌 一种深水基础和施工装置及其施工法

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