CN110130206A - A kind of new Joining Structure of packaged type bridges substructure - Google Patents

A kind of new Joining Structure of packaged type bridges substructure Download PDF

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Publication number
CN110130206A
CN110130206A CN201910321251.2A CN201910321251A CN110130206A CN 110130206 A CN110130206 A CN 110130206A CN 201910321251 A CN201910321251 A CN 201910321251A CN 110130206 A CN110130206 A CN 110130206A
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CN
China
Prior art keywords
steel bushing
connection
iii
column
section
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Pending
Application number
CN201910321251.2A
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Chinese (zh)
Inventor
杜晓庆
施定军
成文涛
周紫陌
宋颖
施思源
张哲涵
陶智慧
程逸朏
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Publication date
Application filed by University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to CN201910321251.2A priority Critical patent/CN110130206A/en
Publication of CN110130206A publication Critical patent/CN110130206A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The present invention relates to a kind of new Joining Structures of packaged type bridges substructure.It includes being embedded with the bent cap and foundation structure of spill steel bushing, and be embedded with the column of convex steel bushing, passes through embedding re-bar technique anchor connection between three.High-strength binder is coated in post end to eliminate gap.The Novel connection type can be not only used for the connection of column and bent cap, and can be used for the connection of column and foundation platform;The features such as connection type has reliable in quality, and it is convenient to construct, and the duration is shorter.

Description

A kind of new Joining Structure of packaged type bridges substructure
Technical field
The present invention relates to a kind of interconnection techniques applied to science of bridge building, more particularly, to a kind of packaged type bridges lower junction The new Joining Structure of structure.
Background technique
The new Joining Structure of packaged type bridges substructure is made of bent cap, column, cushion cap and connecting component.Mesh Before, connecting common method in bridge construction middle and lower part structure mainly has cast-in-place connection, tenon head type connection, steel plate welding, grouting Sleeve, the connection of grouting metal bellows, insertion slot type connection etc..The cast-in-place connection method construction period is long, and construction space is narrow, to friendship It is logical also to have a certain impact, it is not appropriate for Urban Bridge;Although tenon head type connects the shearing resistance that bent cap and partial component can be improved Performance, but it is inconvenient to construct;Steel plate welding procedure is simple, but stress performance and unreliable (site welding quality is difficult to ensure); The grout sleeve construction period is short, but live grouting quality is uncontrollable.
It is therefore desirable to ensure pier shaft and bent cap (cushion cap) integral anti-shearing performance under the premise of develop a kind of design rationally, It constructs packaged type bridges new Joining Structure that is convenient and can be improved local connection reliability.
Summary of the invention
It is an object of the invention to be directed to the technological deficiency of prior art and engineering demand to provide a kind of packaged type bridges The new Joining Structure of substructure.It has the characteristics that simple structure and reasonable design, construction are convenient, and can be improved office The shear behavior and reliability of portion junction, make bridge holistic resistant behavior more preferably.In order to achieve the above objectives, under the present invention uses State technical solution: a kind of new Joining Structure of packaged type bridges substructure, including it is embedded in concrete bent cap and cushion cap table The spill steel bushing in face, and it is embedded in the convex steel bushing of post end;It welds on the surface that the steel bushing is connect with concrete component It is connected to anchor bar, to enhance the bonding strength between steel bushing and concrete component.The lateral wall surface of steel bushing is reserved with circumferential uniform The bolt hole of arrangement, and the position of two kinds of steel bushing upper bolt holes needs to correspond.Before assembly, it must be smeared on convex steel bushing surface One layer of high-strength binder.The prefabricated bent cap and cushion cap and column are inserted into bolt after the corresponding splicing in duct, to bar planting adhesive curing Afterwards, connection is completed.The connection type can operate with the company between bridge substructure central post and cushion cap or column and bent cap It connects.Bent cap and cushion cap can be prefabricated in the factory with column, be conducive to improve construction efficiency.
The convex steel bushing, it is characterised in that convex steel bushing is embedded in post end.Convex steel bushing can be according to Practical Project Situation is designed as circular cross-section, square-section or rectangular section etc., but section form and size will be cut with correspondingly concave steel bushing Face form and size are consistent.The size of its anchor bar is actually determined with arrangement by engineering.
The spill steel bushing can be circular cross-section, square-section or rectangular section etc., but section according to practice of engineering design Form and size are consistent with correspondingly convex steel bushing section form and size.The size of its anchor bar and arrangement are also by work Cheng Shiji is determined.
The bolt hole and bolt, bolt hole circumferentially layout in one line, multirow can be arranged or are staggered in arrangement, and aperture and spacing are by work Cheng Shiji is determined, but the position of two kinds of connection steel bushing upper bolt holes needs to correspond.The reserved bolt of steel bushing wall surface simultaneously The total length of reserving hole channel need to meet the requirement of bolt anchorage length in hole and column.
The novel fabricated structure, it is characterised in that before assembled, one layer of high-strength bonding must be smeared on convex steel bushing surface Agent such as epoxy resin, to eliminate the gap of joint face.After lifting in place, high-strength bar planting glue is injected in bolt hole and is inserted into Bolt completes the connection between component.
The present invention compared with prior art, has following prominent characteristics and advantage:
1) new Joining Structure, element factoryization is prefabricated, standardized construction, reliable in quality, small to periphery Coherent traffic noise.
2) new Joining Structure is not necessarily to poured in place concrete, and it is convenient to construct, and the duration is shorter.
3) new Joining Structure is applied widely, can be used between concrete bent cap, steel bent cap, cushion cap and column Connection.
4) new Joining Structure has used rebar-planting anchorage technique, it is to be onstructed after the completion of can on-site test anchoring strength with Component quality of connection.Compared to the construction method of grout sleeve, the construction method carries out on the day of anchoring adhesive curing time Anti-pulling capacity field test, component connecting portion bonding strength and shear behavior are protected;Although grout sleeve also has It shortens the construction period, constructs the features such as convenient, but live grouting quality is difficult to ensure that element joints shear behavior is impacted.
Below by drawings and examples, the technical program is described in further detail.
Detailed description of the invention
Fig. 1: bridge substructure elevation
Fig. 2: packaged type bridges schematic cross-sectional view
Fig. 3: (circle) sectional view at bent cap pre-embedded steel sleeve
Fig. 4: (rectangle) sectional view at bent cap pre-embedded steel sleeve
Fig. 5: circular abutment end cross-section
Fig. 6: rectangle post end sectional view
Marginal data:
I IV, cushion cap of .T type beam II, bent cap, III, column V,
1. 3. post end pre-embedded steel sleeve of pre-embedded steel sleeve, 4. anchor bolt 5. is high-strength in pre-buried 2. bent cap of anchor rib in bent cap The pre-buried anchor rib 7. of 6. post end of binder constructs 8. bolt hole of muscle.
Specific embodiment
Specific embodiments of the present invention are described with reference to the drawings as follows:
Embodiment one:
Referring to Fig. 1-Fig. 6, the new Joining Structure of this packaged type bridges substructure, including it is embedded in concrete bent cap and cushion cap The spill steel bushing on surface, and it is embedded in the convex steel bushing of post end;It welds on the surface that steel bushing is connect with concrete component There is anchor bar, to enhance the bonding strength between steel bushing and concrete component.The lateral wall surface of steel bushing is reserved with circumferential uniformly row The bolt hole of cloth, and the position of two kinds of steel bushing upper bolt holes needs to correspond;Before assembly, one must be smeared on convex steel bushing surface The high-strength binder of layer;The prefabricated bent cap and cushion cap and column are inserted into bolt after the corresponding splicing in duct, solid to high-strength binder After change, connection is completed;The connection type can operate with the company between bridge substructure central post and cushion cap or column and bent cap It connects;Bent cap and cushion cap can be prefabricated in the factory with column, be conducive to improve construction efficiency.
Embodiment two:
The spill steel bushing is circular cross-section or square-section or rectangular section according to practice of engineering design, section form and big Small consistent with correspondingly convex steel bushing section form and size, the size of anchor bar and arrangement are also by the practical institute of engineering It determines.The spill steel bushing is circular cross-section or square-section or rectangular section according to practice of engineering design, section form and Size is consistent with correspondingly convex steel bushing section form and size, and the size of anchor bar and arrangement are also by engineering reality It is determined.The bolt hole circumferentially layout in one line or multirow arrangement or be staggered in arrangement, aperture and spacing are by the practical institute of engineering It determines, but the position of two kinds of connection steel bushing upper bolt holes needs to correspond, while the bolt hole and column that steel bushing wall surface is reserved The total length of interior reserving hole channel need to meet the requirement of bolt anchorage length.Before assembly, one layer of height must be smeared on convex steel bushing surface Strong binder eliminates the gap of joint face and injects high-strength bar planting glue in bolt hole after lifting in place and be inserted into bolt, completes Connection.

Claims (5)

1. a kind of new Joining Structure of packaged type bridges substructure, including it is embedded in concrete bent cap (II) and cushion cap (IV) The spill steel bushing (2) on surface, and it is embedded in the convex steel bushing (3) of column (III) end;The steel bushing (2,3) and concrete structure The surface of part (II, III, IV) connection is welded with anchor bar, to enhance steel bushing (2,3) and concrete component (II, III, IV) Between bonding strength, the lateral wall surface of steel bushing (2,3) is reserved with circumferential evenly arranged bolt hole (8), and two kinds of steel bushings (2,3) The position of upper bolt hole needs to correspond;Before assembly, one layer of high-strength binder (5) must be smeared on convex steel bushing (3) surface;Institute It states prefabricated bent cap (II) and cushion cap (IV) and column (III) and is inserted into bolt (4) after the corresponding splicing in duct, it is solid to high-strength binder After change, connection is completed;The connection type can operate with bridge substructure central post (III) and cushion cap (IV) or column (III) with Connection between bent cap (II);Bent cap (II) and cushion cap ((II)) can be prefabricated in the factory with column (III), be conducive to improve construction Efficiency.
2. the new Joining Structure of packaged type bridges substructure according to claim 1, it is characterised in that: the male steel Set (3) is designed as circular cross-section or square-section or rectangular section according to Practical Project situation, section form and size and phase Spill steel bushing (3) section form and size answered are consistent, and the size of anchor bar (6) and arrangement are determined by engineering is practical.
3. the new Joining Structure of packaged type bridges substructure according to claim 1, it is characterised in that: the spill steel Set (2) is designed as circular cross-section or square-section or rectangular section according to engineering practice, section form and size and phase Convex steel bushing (3) section form and size answered are consistent, and the size of anchor bar (1) is actually determined with arrangement by engineering It is fixed.
4. the new Joining Structure of packaged type bridges substructure according to claim 1, it is characterised in that: the bolt Circumferentially layout in one line or multirow are arranged or are staggered in arrangement, aperture and spacing are actually determined by engineering, two kinds of connections in hole (8) The position of steel bushing (2,3) upper bolt hole (8) needs to correspond, while the bolt hole (8) and column that steel bushing (2,3) wall surface is reserved (III) total length of interior reserving hole channel need to meet the requirement of bolt (4) anchorage length.
5. the new Joining Structure of packaged type bridges substructure according to claim 1, it is characterised in that: before assembled, One layer of high-strength binder (5) must be smeared on convex steel bushing (3) surface to eliminate the gap of joint face, after lifting in place, in bolt High-strength bar planting glue is injected in hole and is inserted into bolt, completes connection.
CN201910321251.2A 2019-04-22 2019-04-22 A kind of new Joining Structure of packaged type bridges substructure Pending CN110130206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910321251.2A CN110130206A (en) 2019-04-22 2019-04-22 A kind of new Joining Structure of packaged type bridges substructure

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Application Number Priority Date Filing Date Title
CN201910321251.2A CN110130206A (en) 2019-04-22 2019-04-22 A kind of new Joining Structure of packaged type bridges substructure

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CN110130206A true CN110130206A (en) 2019-08-16

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07259334A (en) * 1994-03-18 1995-10-09 Ohbayashi Corp Bearing structure of form panel used for self-elevation type form device
JP4398876B2 (en) * 2005-01-25 2010-01-13 佐藤工業株式会社 Structure pier structure
CN102021908A (en) * 2010-11-30 2011-04-20 上海中技桩业股份有限公司 Mechanical connection structure and construction method for splicing precast square piles
KR20130026311A (en) * 2011-09-05 2013-03-13 주식회사 동호 Precast bridge post
CN203559340U (en) * 2013-11-11 2014-04-23 中铁第一勘察设计院集团有限公司 Connecting structure for bridge segments
CN105735112A (en) * 2016-04-14 2016-07-06 北京工业大学 Bolt connection-based rapid assembling precast rectangular concrete filled steel tube bridge pier
CN108643031A (en) * 2018-05-24 2018-10-12 西南交通大学 A kind of Precast Concrete Segmental Bridges bridge pier steel reinforced concrete jointing
CN208088522U (en) * 2017-12-04 2018-11-13 江南大学 A kind of novel fabricated bean column node of imitative joggle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07259334A (en) * 1994-03-18 1995-10-09 Ohbayashi Corp Bearing structure of form panel used for self-elevation type form device
JP4398876B2 (en) * 2005-01-25 2010-01-13 佐藤工業株式会社 Structure pier structure
CN102021908A (en) * 2010-11-30 2011-04-20 上海中技桩业股份有限公司 Mechanical connection structure and construction method for splicing precast square piles
KR20130026311A (en) * 2011-09-05 2013-03-13 주식회사 동호 Precast bridge post
CN203559340U (en) * 2013-11-11 2014-04-23 中铁第一勘察设计院集团有限公司 Connecting structure for bridge segments
CN105735112A (en) * 2016-04-14 2016-07-06 北京工业大学 Bolt connection-based rapid assembling precast rectangular concrete filled steel tube bridge pier
CN208088522U (en) * 2017-12-04 2018-11-13 江南大学 A kind of novel fabricated bean column node of imitative joggle
CN108643031A (en) * 2018-05-24 2018-10-12 西南交通大学 A kind of Precast Concrete Segmental Bridges bridge pier steel reinforced concrete jointing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
马建革,潘志新等: "《混凝土缺陷处理技术及应用》", 30 June 2009, 黄河水利出版社 *

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Application publication date: 20190816

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