CN109024244A - The welding structure and welding method of metal plate and main reinforcement - Google Patents

The welding structure and welding method of metal plate and main reinforcement Download PDF

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Publication number
CN109024244A
CN109024244A CN201811013575.1A CN201811013575A CN109024244A CN 109024244 A CN109024244 A CN 109024244A CN 201811013575 A CN201811013575 A CN 201811013575A CN 109024244 A CN109024244 A CN 109024244A
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CN
China
Prior art keywords
metal plate
weldment
main
welding
main ribs
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201811013575.1A
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Chinese (zh)
Inventor
刘怀刚
高世强
刁先觉
肖向荣
夏江南
檀兴华
王海伟
陈杨
陶坡
赵升辉
吴曼
葛纪平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Road and Bridge International Co Ltd
Road and Bridge South China Engineering Co Ltd
Original Assignee
Road and Bridge International Co Ltd
Road and Bridge South China Engineering Co Ltd
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 Road and Bridge International Co Ltd, Road and Bridge South China Engineering Co Ltd filed Critical Road and Bridge International Co Ltd
Priority to CN202210023739.9A priority Critical patent/CN114457671A/en
Priority to CN201811013575.1A priority patent/CN109024244A/en
Publication of CN109024244A publication Critical patent/CN109024244A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K33/00Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/30Metal

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

The present invention provides the welding structure and welding method of a kind of metal plate and main reinforcement, the welding structure includes the more main reinforcements combined in parallel, it is vertically arranged with main ribs and around more stirrups of fixed main ribs, with main ribs metal plate disposed in parallel, and along the extending direction interval of main ribs it is held on multiple weldments between the metal plate and single main ribs;The weldment is welded with the metal plate and main ribs respectively, and the outer diameter of the weldment is greater than or equal to the outer diameter of the stirrup.The structure solves the problems, such as that the metal plate and main ribs will not be because the separation of the stirrup be without being capable of fixing connection in a simple manner.

Description

The welding structure and welding method of metal plate and main reinforcement
Technical field
The present invention relates to the welding structures and welding method of building field more particularly to a kind of metal plate and main reinforcement.
Background technique
In the field of construction, the welding of sheet metal and main reinforcement, especially for exterior components, and sheet metal area compared with In the case where big, sheet metal can be subjected to because of it biggish active force and with the factors such as the morphological differences of main reinforcement is big, the two Welding usually requires to add specific supplementary structure, or need to morphologically be beforehand with special set to sheet metal or reinforcing bar Meter, but its applicability is low, while also increasing the difficulty of construction.
Summary of the invention
The purpose of the present invention is intended to provide the welding structure and welding method of a kind of metal plate and main reinforcement, in a simple manner To solve the problems, such as that metal plate and main reinforcement will not be because the separation of stirrup be without being capable of fixing connection.
To achieve the goals above, the present invention the following technical schemes are provided:
A kind of welding structure of metal plate and main reinforcement characterized by comprising the more main reinforcements combined in parallel, and it is described Main reinforcement is vertically arranged and around more stirrup of fixed main ribs, and main ribs metal plate disposed in parallel, and along The extending direction interval of main ribs is held on multiple weldments between the metal plate and single main ribs;
The weldment is welded with the metal plate and main ribs respectively, and the outer diameter of the weldment is greater than or equal to institute State the outer diameter of stirrup.
Preferably, the outer diameter of the multiple weldment is identical.
Preferably, the multiple weldment is equally spacedly held between the metal plate and single main ribs.
Preferably, the multiple weldment is identical along the length of main ribs extending direction.
Preferably, the more main reinforcements are generally aligned in the same plane when being arranged in parallel, and the metal plate is plate.
Preferably, the weldment is fully welded with main ribs;And/or
The weldment is fully welded with the metal plate.
Preferably, the throat depth of the weldment and main ribs is more than or equal to the 1/2 of the weldment outer diameter;
And/or
The throat depth of the weldment and the metal plate is more than or equal to the 1/2 of the weldment outer diameter.
Preferably, if the more stirrups are arranged in single main reinforcement, the outer diameter of the weldment is greater than or equal to described more Maximum outside diameter in root stirrup.
Preferably, the weldment is bar dowel.
The welding structure of corresponding above-mentioned metal plate and main reinforcement, the present invention also provides a kind of welding method,
The welding method includes:
Each main ribs are positioned according to reinforcing bar stringing;
The stirrup around main ribs and is subjected to positioning binding;
Multiple weldment intervals are welded in the outside of outermost main reinforcement;
Main ribs and the metal plate are positioned, contact each weldment with the metal plate;
Preferably, it before welding the weldment and main ribs, first connects the weldment is parallel with main ribs Touching setting, is then fully welded.
Preferably, when welding the weldment and main ribs, the throat depth of the weldment and main ribs is big In or equal to the weldment outer diameter 1/2.
Preferably, before welding the weldment and the metal plate, the weldment is parallel with the metal plate Contact setting, is then fully welded.
Preferably, when weldment and the metal plate are stated in welding, the throat depth of the weldment and the metal plate More than or equal to the 1/2 of the weldment outer diameter.
Compared with prior art, the solution of the invention has the following advantages:
The welding structure of a kind of metal plate and main reinforcement provided by the invention, the metal plate and single main ribs it Between be arranged multiple outer diameters be more than or equal to the stirrup maximum outside diameter weldment, and respectively with the two weld, to realize metal plate With being welded and fixed for main reinforcement, the structure can avoid carrying out metal plate or main reinforcement special designing or using special supplementary structure come Realize the welding of the two.Further, which also reduces the early-stage preparations difficulty of construction material, improves corresponding constructing structure Applicability, reduce difficulty of construction.
For the welded welding for realizing above-mentioned metal plate and main reinforcement, a kind of metal plate provided by the invention and main reinforcement Welded welding method welds multiple weldments in the outside spacers of outermost layer main ribs, weldering then will be completed The main ribs and the metal plate for connecing the weldment are positioned, and finally weld the weldment and the metal plate. This method is using several weldments for being welded to connect the two between the main reinforcement and metal plate for having carried out stirrup binding, without to institute It states metal plate or main ribs is carried out special designing or realized the welding of the two using special supplementary structure.First by several Weldment be welded in main reinforcement complete again with metal plate relative positioning, reduce welding difficulty, convenient for welding, and can increase The weld length of main reinforcement and metal plate, to enhance the fixed effect of welding.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments Obviously and it is readily appreciated that, in which:
Fig. 1 is a kind of welded structural schematic diagram of metal plate and main reinforcement provided by the invention;
Fig. 2 is the cross section view in the direction A-A in Fig. 1.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
With reference to shown in Fig. 1-2, the embodiment of the present invention provides the welding structure of a kind of metal plate 1 and main reinforcement 2, the welding structure Including metal plate 1, more main reinforcements 2, the stirrup 3, multiple weldments 4 being parallel to each other, wherein the stirrup 3 hangs down with main ribs 2 Straight setting and around fixed 2 outside of more main reinforcements, the form that the metal plate 1 is surrounded according to the more main reinforcements 2 with Main ribs 2 are arranged in parallel, and the multiple weldment 4 is held on the metal plate 1 along the extending direction interval of main ribs 2 Between the single main reinforcement 2 and the outer diameter of the weldment 4 is more than or equal to the outer diameter of the stirrup 3, so that the weldering Fitting 4 main reinforcement 2 with the metal plate 1 of two sides and corresponding to it can weld respectively, reach be welded and fixed the metal plate 1 with The purpose of 2 relative position of main ribs, the weldment 4 is adopted as being easy the metalwork of outfit, in this way, avoiding to realize institute The welding for stating metal plate 1 and main ribs 2 need to realize the welding of the two to its special designing or using special supplementary structure. In this way, the early-stage preparations difficulty that the welding structure can lower main ribs 2 or the metal plate 1 welds, improves general welding The applicability of component lowers difficulty of construction.
The form or spacing of the multiple weldment 4 can according between the metal plate 1 and main ribs 2 gap, Or changed according to the stress of the metal plate 1 or main ribs 2 to adjust.
The metal plate 1 is to be arranged in parallel with main ribs 2, is held on multiple weldments 4 between the two using identical Outer diameter specification, further improve the applicability of general welded unit, with reduce prepare welding material complexity.
The multiple weldment 4 is equally spacedly held between the metal plate 1 and single main ribs 2, at this moment, it is ensured that Block of metal plate 1 and the active force of main ribs 2 be it is equally distributed, reduce the welding structure and/or structure adjacent thereto and become The risk of shape.
It is described more to ensure that the equally distributed another implementation of active force of the metal plate 1 and main ribs 2 can be A weldment 4 is identical along the length of 2 extending direction of main ribs.
The above-mentioned outer diameter about the weldment 4 is identical, equidistantly distributed, the identical embodiment of length, it may be selected It is one or more that the specification of the weldment 4 is defined, to meet different welding demands.
According to different design requirements, the more main reinforcements 2 disposed in parallel can be surrounded by different forms, such as can enclose It is coiled into a cylinder or a square body, the form of the corresponding metal plate 1 is arc-shaped or plate.
In order to ensure the metal plate 1 is connected with the stabilization of main ribs 2, what the weldment 4 was contacted with main ribs 2 The place progress melting welding that place carries out melting welding and/or the metal plate 1 is contacted, that is, be fully welded, pass through the weldment 4 It is maximized with the bonding area of main ribs 2 and/or the metal plate 1, to ensure the welding knot of the metal plate 1 and main reinforcement 2 Structure is stable, lasting.
In order to reinforce connection relationship of the weldment 4 respectively between the metal plate 1 and main ribs 2, the weldering 5 thickness of weld seam of fitting 4 and the metal plate 1 is at least half or the weldment 4 and the institute of 4 outer diameter of weldment 5 thickness of weld seam for stating main reinforcement 2 is at least the half of 4 outer diameter of weldment.If the weldment 4 and the metal plate 1 and institute 5 thickness of weld seam for stating main reinforcement 2 is at least the half of 4 outer diameter of weldment, and the weldment 4 is equivalent to a welding matchmaker It is situated between, to overcome the problems, such as that the metal plate 1 can not be directly connected to main ribs 2 because of the separation of stirrup 3.
If being provided at least two stirrups 3, the weldering in the main ribs 2 of the metal plate 1 welding That root of the outer diameter of fitting 4 at least equal to maximum outside diameter in the stirrup 3.
The weldment 4 in above-mentioned any one embodiment can be bar dowel, it is easier to unified welding material Specification, and welding material is easier to prepare, and also reduces the complexity of welding.
In conjunction with above-mentioned embodiment, a specific embodiment is provided, by taking bridge construction as an example, the metal plate 1 is specific For pre-embedded steel slab, the outermost layer main reinforcement 2 of the pre-embedded steel slab and rectangular king-post is welded, and the pre-embedded steel slab is metal plate, institute Stating main reinforcement 2 is vertical reinforcement, and the vertical reinforcement fixed by lateral tie 3, the vertical reinforcement need to by the weldment 4 with The pre-embedded steel slab welding, the weldment 4 are bar dowel.The pre-embedded steel slab plate thickness is 50mm, and the rectangular king-post is most The outer diameter of the vertical reinforcement of outer layer is 32mm, and the outer diameter of stirrup 3 is 20mm, according to the outer diameter of the stirrup 3, select outer diameter for The bar dowel of 20mm.The bar dowel is adjacent respectively with the weld seam 5 of the pre-embedded steel slab and the vertical reinforcement with a thickness of 10mm Two bar dowel interval 500mm.Such welding structure farthest ensure that the pre-embedded steel slab and the vertical steel Muscle forms most stable of connection relationship, finally guarantees the safety of the bridge.
The welding structure of corresponding above-mentioned metal plate 1 and main reinforcement 2, the present invention also provides a kind of welding methods.The welding side Method includes: first to be positioned according to bold skeleton line to each main ribs 2;Then by the stirrup 3 around main ribs 2 into Row positioning binding;Multiple intervals of weldment 4 are welded in outermost 2 outside of main reinforcement, to main ribs 2 and the metal Plate 1 is positioned, so that the weldment 4 being welded in main ribs 2 is contacted with the metal plate 1;Finally, by each institute Weldment 4 is stated to be welded with the metal plate 1.
Before welding the weldment 4 and main ribs 2, first by 4 parallel contact of weldment in main ribs 2, Then melting welding is carried out to the place of both of which contact, that is, be fully welded, sufficiently the weldment 4 to be welded in main ribs 2.
For the connection relationship reinforced between the weldment 4 and main ribs 2, to guarantee main ribs 2 and the weldering Fitting 4 can be bonded for a long time, when welding the weldment 4 with main ribs 2, so that the weldment 4 and main ribs 2 5 thickness of weld seam at least equal to 4 outer diameter of weldment half.
Before welding the weldment 4 and the metal plate 1, first by 4 parallel contact of weldment in the metal Then plate 1 carries out melting welding to the place of both of which contact, that is, is fully welded, the weldment 4 is sufficiently welded in the metal On plate 1.
For the connection relationship reinforced between the weldment 4 and the metal plate 1, to guarantee the weldment 4 and institute Stating metal plate 1 can be bonded for a long time, when welding the weldment 4 with the metal plate 1, so that the weldment 4 and institute State half of 5 thickness of weld seam at least equal to 4 outer diameter of weldment of metal plate 1.
The welding structure of a kind of metal plate 1 and main reinforcement 2 provided by the invention, by main ribs 2 and the metal plate 1 Between be welded with the weldment 4, in a simple manner solve both because the separation of the stirrup 3 is without being capable of fixing asking for connection Topic, while the form to the weldment 4, arrangement mode, welding manner are arranged accordingly, to meet different welding need It asks.If the weldment 4 is bar dowel, the welding structure can reduce the preparation to special welding material, further mention The high applicability of corresponding constructing structure, reduces difficulty of construction.
A kind of welding method provided by the invention, by prolonging in the outside of outermost main ribs 2 along main ribs 2 Several weldments 4 are welded at the direction interval stretched, then the main ribs 2 that will bind and completed to weld the weldment 4 It is positioned with the metal plate 1, is finally welded the weldment 4 and the metal plate 1.This method is described using having carried out It is welded to connect multiple weldments 4 of the two between the main ribs 2 that stirrup 3 is bound and the metal plate 1, is not necessarily to reaching to gold Belong to plate 1 or main reinforcement 2 is carried out special designing or realized the purpose of the welding of the two using special supplementary structure.First by several Weldment 4 be welded in main ribs 2 complete again with 1 relative positioning of metal plate, reduce welding difficulty, convenient for welding. And the weldment 4 and 5 thickness of weld seam of main ribs 2 and the metal plate 1 are arranged respectively, to enhance the fixation of welding Effect.
The above is only some embodiments of the invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (14)

1. the welding structure of a kind of metal plate and main reinforcement characterized by comprising the more main reinforcements combined in parallel, with the master Muscle is vertically arranged and around more stirrup of fixed main ribs, and main ribs metal plate disposed in parallel, and along institute The extending direction interval for stating main reinforcement is held on multiple weldments between the metal plate and single main ribs;
The weldment is welded with the metal plate and main ribs respectively, and the outer diameter of the weldment is greater than or equal to the hoop The outer diameter of muscle.
2. the welding structure of metal plate according to claim 1 and main reinforcement, which is characterized in that outside the multiple weldment Diameter is identical.
3. the welding structure of metal plate according to claim 1 and main reinforcement, which is characterized in that between the multiple weldment etc. It is held between the metal plate and single main ribs away from ground.
4. the welding structure of metal plate according to claim 1 and main reinforcement, which is characterized in that the multiple weldment is along institute The length for stating main reinforcement extending direction is identical.
5. the welding structure of metal plate according to claim 1 and main reinforcement, which is characterized in that the more main reinforcements are located at same When one plane is arranged in parallel, the metal plate is plate.
6. the welding structure of metal plate according to claim 1 and main reinforcement, which is characterized in that the weldment and the master Muscle is fully welded;And/or
The weldment is fully welded with the metal plate.
7. the welding structure of metal plate according to claim 6 and main reinforcement, which is characterized in that the weldment and the master The throat depth of muscle is more than or equal to the 1/2 of the weldment outer diameter;
And/or
The throat depth of the weldment and the metal plate is more than or equal to the 1/2 of the weldment outer diameter.
8. the welding structure of metal plate according to claim 1 and main reinforcement, which is characterized in that if being arranged in single main reinforcement more Stirrup described in root, the outer diameter of the weldment are greater than or equal to the maximum outside diameter in the more stirrups.
9. the welding structure of metal plate according to any one of claims 1 to 8 and main reinforcement, which is characterized in that the welding Part is bar dowel.
10. the welded welding method of a kind of metal plate and main reinforcement, which is characterized in that the welding of the metal plate and main reinforcement Structure includes: the more main reinforcements combined in parallel, is vertically arranged respectively with each main ribs and surrounds the more of fixed main ribs Root stirrup, and main ribs metal plate disposed in parallel, and be held on more between the metal plate and single main ribs A weldment;
The weldment is set between two adjacent stirrups, and is welded respectively with the metal plate and main ribs;
The welding method includes:
Each main ribs are positioned according to reinforcing bar stringing;
The stirrup around main ribs and is subjected to positioning binding;
Multiple weldment intervals are welded in the outside of outermost main reinforcement;
Main ribs and the metal plate are positioned, contact each weldment with the metal plate;
Each weldment is welded with the metal plate.
11. welding method according to claim 10, which is characterized in that weld the weldment and main ribs it Before, first the weldment and main ribs parallel contact are arranged, are then fully welded.
12. welding method according to claim 11, which is characterized in that when welding the weldment and main ribs, The throat depth of the weldment and main ribs is greater than or equal to the 1/2 of the weldment outer diameter.
13. welding method according to claim 10, which is characterized in that weld the weldment and the metal plate it Before, the weldment and the metal plate parallel contact are arranged, are then fully welded.
14. welding method according to claim 13, which is characterized in that when weldment and the metal plate are stated in welding, The throat depth of the weldment and the metal plate is greater than or equal to the 1/2 of the weldment outer diameter.
CN201811013575.1A 2018-08-31 2018-08-31 The welding structure and welding method of metal plate and main reinforcement Pending CN109024244A (en)

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CN202210023739.9A CN114457671A (en) 2018-08-31 2018-08-31 Welding part
CN201811013575.1A CN109024244A (en) 2018-08-31 2018-08-31 The welding structure and welding method of metal plate and main reinforcement

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Citations (10)

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GB1117356A (en) * 1964-07-09 1968-06-19 Karl Guddal Improvements in reinforcing concrete walls
JPH05306543A (en) * 1992-04-30 1993-11-19 Fujita Corp Device for joining precast reinforced concrete column and beam
CN2565871Y (en) * 2002-08-14 2003-08-13 顺德市永基建筑基础有限公司 Connective steel cap for reinforced concrete pile
CN101818543A (en) * 2010-05-28 2010-09-01 中南大学 Square steel tubular column with internally tangent ring-shaped stirrup restraint and high-strength concrete
CN102121236A (en) * 2010-12-20 2011-07-13 北京金孚佳润公路特种工程有限公司 Reinforcement method for single column type pier column for supporting main beam of circular arc curve ramp bridge
CN202062165U (en) * 2011-03-30 2011-12-07 中国二十冶集团有限公司 Welding joint structure of precast steel ring sleeve at position of concrete pipe pile floorslab in top down construction
JP2012081495A (en) * 2010-10-08 2012-04-26 Aiwa Tekkou Co Ltd Spot welding method using grooved spot welding electrode
CN102619303A (en) * 2012-04-14 2012-08-01 中南大学 Square steel pipe high-strength concrete post restricted by internally tangent annular hoop reinforcement
CN203681671U (en) * 2014-01-09 2014-07-02 杭州华聚复合材料有限公司 Hot fusion welding carriage structure
CN208830133U (en) * 2018-08-31 2019-05-07 中交路桥华南工程有限公司 The welding structure of metal plate and main reinforcement

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JP3426916B2 (en) * 1997-06-19 2003-07-14 三菱重工業株式会社 Concrete structure
CN201474169U (en) * 2009-07-03 2010-05-19 周正海 Steel reinforcement connection structure in reinforced concrete vertical structural element
CN201495666U (en) * 2009-08-26 2010-06-02 天津市建科机械制造有限公司 Reinforcing steel bar truss formwork
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Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1117356A (en) * 1964-07-09 1968-06-19 Karl Guddal Improvements in reinforcing concrete walls
JPH05306543A (en) * 1992-04-30 1993-11-19 Fujita Corp Device for joining precast reinforced concrete column and beam
CN2565871Y (en) * 2002-08-14 2003-08-13 顺德市永基建筑基础有限公司 Connective steel cap for reinforced concrete pile
CN101818543A (en) * 2010-05-28 2010-09-01 中南大学 Square steel tubular column with internally tangent ring-shaped stirrup restraint and high-strength concrete
JP2012081495A (en) * 2010-10-08 2012-04-26 Aiwa Tekkou Co Ltd Spot welding method using grooved spot welding electrode
CN102121236A (en) * 2010-12-20 2011-07-13 北京金孚佳润公路特种工程有限公司 Reinforcement method for single column type pier column for supporting main beam of circular arc curve ramp bridge
CN202062165U (en) * 2011-03-30 2011-12-07 中国二十冶集团有限公司 Welding joint structure of precast steel ring sleeve at position of concrete pipe pile floorslab in top down construction
CN102619303A (en) * 2012-04-14 2012-08-01 中南大学 Square steel pipe high-strength concrete post restricted by internally tangent annular hoop reinforcement
CN203681671U (en) * 2014-01-09 2014-07-02 杭州华聚复合材料有限公司 Hot fusion welding carriage structure
CN208830133U (en) * 2018-08-31 2019-05-07 中交路桥华南工程有限公司 The welding structure of metal plate and main reinforcement

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Inventor after: Wang Haiwei

Inventor after: Zhao Shenghui

Inventor after: Wu Man

Inventor after: Ge Jiping

Inventor after: Chen Yang

Inventor after: Liu Huaigang

Inventor after: Gao Shiqiang

Inventor after: Diao Xianjue

Inventor after: Xiao Xiangrong

Inventor after: Xia Jiangnan

Inventor after: Tan Xinghua

Inventor after: Tao Po

Inventor before: Liu Huaigang

Inventor before: Zhao Shenghui

Inventor before: Wu Man

Inventor before: Ge Jiping

Inventor before: Gao Shiqiang

Inventor before: Diao Xianjue

Inventor before: Xiao Xiangrong

Inventor before: Xia Jiangnan

Inventor before: Tan Xinghua

Inventor before: Wang Haiwei

Inventor before: Chen Yang

Inventor before: Tao Po

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