CN109750673A - A kind of pre-buried composite structure of interlocking pile bracing members system bracket and its construction method - Google Patents

A kind of pre-buried composite structure of interlocking pile bracing members system bracket and its construction method Download PDF

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Publication number
CN109750673A
CN109750673A CN201811553259.3A CN201811553259A CN109750673A CN 109750673 A CN109750673 A CN 109750673A CN 201811553259 A CN201811553259 A CN 201811553259A CN 109750673 A CN109750673 A CN 109750673A
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Prior art keywords
bracket
built
fitting
steel plate
embedded
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CN201811553259.3A
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CN109750673B (en
Inventor
李亮
张浩霖
游汉宇
孟玉团
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No1 Engineering Co Co Ltd Of Cccc First Harbor Engineering Co Ltd
CCCC First Harbor Engineering Co Ltd
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No1 Engineering Co Co Ltd Of Cccc First Harbor Engineering Co Ltd
CCCC First Harbor Engineering Co Ltd
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Publication of CN109750673A publication Critical patent/CN109750673A/en
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Abstract

The present invention is a kind of pre-buried composite structure of interlocking pile bracing members system bracket and its construction method, including built-in fitting, the built-in fitting includes steel plate and several embedded bars, the embedded bar is symmetrical arranged and one end of the embedded bar is vertically connected on a side of the steel plate, the other end of the embedded bar bends to crotch, bracket is welded on another side of the steel plate, overlapping of axles in the horizontal axis of the steel plate and the level of the bracket, include the following steps: S1: built-in fitting is pre-buried and welds;S2: perfusion steel reinforcement cage;S4: bracket welding.The present invention makes bracket contact surface be transformed into face weldering by spot welding, substantially increases the stability of support system, has not only greatly reduced the risk of its landing, but also protects original building enclosure, ensure that the safe and reliable of support system.

Description

A kind of pre-buried composite structure of interlocking pile bracing members system bracket and its construction method
Technical field
The present invention relates to bracket mounting technique field more particularly to a kind of pre-buried combination knots of interlocking pile bracing members system bracket Structure and its construction method.
Background technique
The advantages of hole-drilling interlocking pile is a kind of novel foundation pit enclosure form, has occupied area small, flexible operation, and The support form of interlocking pile combination inner support is used in deep foundation pit construction, the Water And Earth Pressures acted on interlocking pile can be by inner support Effectively transmitting and balance, simple structure, stress are clear, and in supporting form, steel structure support has small, assembling and disassembling side of being self-possessed The advantages that can reusing.Therefore, under normal circumstances, bracing members are preferentially selected.Wherein, the installation of bracket is entire supporter How the key of system installs bracket on interlocking pile and also becomes one of most important problem in support system.
Conventional treatment method is to cut at the support absolute altitude of bracket to interlocking pile, until exposing main reinforcement.In reinforcing bar After processing, by bracket spot welding on exposed steel bar.But this cut, and the weldering of this spot welding larger to the destruction of former pile foundation Intensity difference is connect, welding difficulty is high, slightly deviation, it is easy to which the landing for causing support system seriously affects the quality of foundation pit enclosure And safety.
Summary of the invention
Present invention seek to address that the deficiencies in the prior art, and provide a kind of interlocking pile bracing members system built-in fitting and its and ox The method of leg combination.
The present invention to achieve the above object, using following technical scheme: a kind of pre-buried group of interlocking pile bracing members system bracket Structure, including built-in fitting are closed, the built-in fitting includes steel plate and several embedded bars, and the embedded bar is arranged symmetrically and described One end of embedded bar is vertically connected on a side of the steel plate, and the other end of the embedded bar bends to crotch, Bracket, overlapping of axles in the horizontal axis of the steel plate and the level of the bracket are welded on another side of the steel plate.
Particularly, the number of the reinforcing bar is no less than four.
Particularly, the height of the steel plate is more than or equal to the width of the steel plate.
A kind of construction method of the pre-buried composite structure of interlocking pile bracing members system bracket, includes the following steps:
S1: built-in fitting is pre-buried and welds
It makes marks on a certain reinforcing bar at the top of steel reinforcement cage, marks the direction of the reinforcing bar, by embedded bar on built-in fitting Crotch hangs in the main reinforcement of steel reinforcement cage and welds with main reinforcement, the direction of built-in fitting upper steel plate and the reinforcing bar of label towards identical;
S2: perfusion steel reinforcement cage
In steel reinforcement cage reinforced steel is installed laterally outside, guarantees that built-in fitting does not occur mobile and deforms, casting concrete makes As bored concrete pile, built-in fitting is embedded in bored concrete pile, determines distance of the built-in fitting center apart from bored concrete pile stake top, built-in fitting The distance of center to bored concrete pile stake top is distance of the bracket center to bored concrete pile stake top, wherein built-in fitting centre bit Set bored concrete pile stake top distance be support the beam type heart to stake top distance, support depth of beam 1/2 and bracket height 1/2 it With;
S4: bracket welding
It digs out the cement slurry of built-in fitting steel plate and bracket weld side surface layer and its surface is polished completely, bracket is welded to It polishes the surface of clean steel plate, when bracket and steel plate weld, weldering meat will be fully welded.
Particularly, the length of the embedded bar is 0.6-0.9 times of the pile diameter.
The beneficial effects of the present invention are: the present invention makes bracket contact surface be transformed into face weldering by spot welding, support is substantially increased The stability of system, had not only greatly reduced the risk of its landing, but also protected original building enclosure, ensure that support system Securely and reliably.
Detailed description of the invention
Fig. 1 is the structural schematic diagram when present invention is pre-buried;
Fig. 2 is the structural schematic diagram of built-in fitting in the present invention;
Fig. 3 is the position view of light plate of the present invention and embedded bar;
Fig. 4 is the structural schematic diagram of built-in fitting and bored concrete pile;
The structural schematic diagram of Fig. 5 bracket of the present invention and built-in fitting
In figure: 1- steel plate;2- embedded bar;3- bracket;
It is described in detail below with reference to the embodiment of the present invention referring to attached drawing.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As Figure 1-Figure 5, the pre-buried composite structure of a kind of interlocking pile bracing members system bracket, including built-in fitting, it is described pre- Embedded part includes steel plate 1 and several embedded bars 2, and the embedded bar 2 is symmetrical arranged and one end of the embedded bar 2 vertically connects It connects on a side of the steel plate 1, the other end of the embedded bar 2 bends to crotch, another side of the steel plate 1 Bracket 3, the horizontal axis of the steel plate 1 and overlapping of axles in the level of the bracket 3 are welded on face.
Particularly, the number of the reinforcing bar 2 is no less than four.
Particularly, the height of the steel plate 1 is more than or equal to the width of the steel plate 1.
A kind of construction method of the pre-buried composite structure of interlocking pile bracing members system bracket, includes the following steps:
S1: built-in fitting is pre-buried and welds
It makes marks on a certain reinforcing bar at the top of steel reinforcement cage, marks the direction of the reinforcing bar, by embedded bar 2 on built-in fitting Crotch hangs in the main reinforcement of steel reinforcement cage and welds with main reinforcement, the direction of built-in fitting upper steel plate 1 and the reinforcing bar of label towards identical;
S2: casting concrete
In steel reinforcement cage reinforced steel is installed laterally outside, guarantees that built-in fitting does not occur mobile and deforms, casting concrete makes As bored concrete pile, built-in fitting is embedded in bored concrete pile, determines distance of the built-in fitting center apart from bored concrete pile stake top, built-in fitting The distance of center to bored concrete pile stake top is 3 center of bracket to the distance of bored concrete pile stake top, wherein built-in fitting center The distance of position to bored concrete pile stake top be support the beam type heart to stake top distance, support depth of beam 1/2 and 3 height of bracket 1/ The sum of 2;
S4: bracket 3 welds
It digs out the cement slurry of built-in fitting steel plate 1 and 3 weld side surface layer of bracket and its surface is polished completely, bracket 3 is welded It is connected to the surface for clean steel plate 1 of polishing, when bracket 3 and steel plate 1 weld, weldering meat will be fully welded.
Particularly, the length of the embedded bar 2 is 0.6-0.9 times of the pile diameter.
Embodiment one
A kind of pre-buried composite structure of interlocking pile bracing members system bracket, including steel plate 1, on a side of the steel plate 1 Be connected with several symmetrically arranged embedded bars 2, the other end of the embedded bar 2 bends to crotch, the steel plate 1 another Bracket 3, the horizontal axis of the steel plate 1 and overlapping of axles in the level of the bracket 3 are welded on side.
Particularly, the number of the reinforcing bar 2 is four.
A kind of construction method of the pre-buried composite structure of interlocking pile bracing members system bracket, includes the following steps:
S1: built-in fitting is pre-buried and welds
It makes marks on a certain reinforcing bar at the top of steel reinforcement cage, marks the direction of the reinforcing bar, by embedded bar 2 on built-in fitting Crotch hangs in the main reinforcement of steel reinforcement cage and welds with main reinforcement, the direction of built-in fitting upper steel plate 1 and the reinforcing bar of label towards identical;
S2: casting concrete
In steel reinforcement cage reinforced steel is installed laterally outside, guarantees that built-in fitting does not occur mobile and deforms, casting concrete makes As bored concrete pile, built-in fitting is embedded in bored concrete pile, determines distance of the built-in fitting center apart from bored concrete pile stake top, built-in fitting The distance of center to bored concrete pile stake top is 3 center of bracket to the distance of bored concrete pile stake top, wherein built-in fitting center The distance of position to bored concrete pile stake top be support the beam type heart to stake top distance, support depth of beam 1/2 and 3 height of bracket 1/ The sum of 2;
S4: bracket 3 welds
It digs out the cement slurry of built-in fitting steel plate 1 and 3 weld side surface layer of bracket and its surface is polished completely, bracket 3 is welded It is connected to the surface for clean steel plate 1 of polishing, when bracket 3 and steel plate 1 weld, weldering meat will be fully welded.
Particularly, the length of the embedded bar 2 is 0.6-0.9 times of the pile diameter.
Embodiment two
A kind of pre-buried composite structure of interlocking pile bracing members system bracket, including built-in fitting, the built-in fitting include 1 He of steel plate Several embedded bars 2, the embedded bar 2 is symmetrical arranged and one end of the embedded bar 2 is vertically connected on the steel plate 1 On one side, the other end of the embedded bar 2 bends to crotch, is welded with bracket 3 on another side of the steel plate 1, Overlapping of axles in the level of the horizontal axis of the steel plate 1 and the bracket 3.
Particularly, the number of the reinforcing bar 2 is five.
Particularly, the height of the steel plate 1 is more than or equal to the width of the steel plate 1.
A kind of construction method of the pre-buried composite structure of interlocking pile bracing members system bracket, includes the following steps:
S1: built-in fitting is pre-buried and welds
It makes marks on a certain reinforcing bar at the top of steel reinforcement cage, marks the direction of the reinforcing bar, by embedded bar 2 on built-in fitting Crotch hangs in the main reinforcement of steel reinforcement cage and welds with main reinforcement, the direction of built-in fitting upper steel plate 1 and the reinforcing bar of label towards identical;
S2: casting concrete
In steel reinforcement cage reinforced steel is installed laterally outside, guarantees that built-in fitting does not occur mobile and deforms, casting concrete makes As bored concrete pile, built-in fitting is embedded in bored concrete pile, determines distance of the built-in fitting center apart from bored concrete pile stake top, built-in fitting The distance of center to bored concrete pile stake top is 3 center of bracket to the distance of bored concrete pile stake top, wherein built-in fitting center The distance of position to bored concrete pile stake top be support the beam type heart to stake top distance, support depth of beam 1/2 and 3 height of bracket 1/ The sum of 2;
S4: bracket 3 welds
It digs out the cement slurry of built-in fitting steel plate 1 and 3 weld side surface layer of bracket and its surface is polished completely, bracket 3 is welded It is connected to the surface for clean steel plate 1 of polishing, when bracket 3 and steel plate 1 weld, weldering meat will be fully welded.
Particularly, the length of the embedded bar 2 is 0.6-0.9 times of the pile diameter.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way Limitation, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved direct application It is within the scope of the present invention in other occasions.

Claims (5)

1. a kind of pre-buried composite structure of interlocking pile bracing members system bracket, which is characterized in that including built-in fitting, the built-in fitting packet Steel plate (1) and several embedded bars (2) are included, the embedded bar (2) is symmetrical arranged and one end of the embedded bar (2) is vertical It is connected on a side of the steel plate (1), the other end of the embedded bar (2) bends to crotch, the steel plate (1) It is welded on another side bracket (3), overlapping of axles in the horizontal axis of the steel plate (1) and the level of the bracket (3).
2. a kind of pre-buried composite structure of interlocking pile bracing members system bracket according to claim 1, which is characterized in that described The number of reinforcing bar (2) is no less than four.
3. a kind of pre-buried composite structure of interlocking pile bracing members system bracket according to claim 2, which is characterized in that described The height of steel plate (1) is more than or equal to the width of the steel plate (1).
4. a kind of construction method of the pre-buried composite structure of interlocking pile bracing members system bracket according to claim 3, special Sign is, includes the following steps:
S1: built-in fitting is pre-buried and welds
It makes marks on a certain reinforcing bar at the top of steel reinforcement cage, marks the direction of the reinforcing bar, by the curved of embedded bar on built-in fitting (2) It is hooked in the main reinforcement of steel reinforcement cage and is welded with main reinforcement, the direction of built-in fitting upper steel plate (1) and the reinforcing bar of label are towards identical;
S2: perfusion steel reinforcement cage
In steel reinforcement cage reinforced steel is installed laterally outside, guarantees that built-in fitting does not occur mobile and deforms, casting concrete becomes Bored concrete pile, built-in fitting are embedded in bored concrete pile, determine distance of the built-in fitting center to bored concrete pile stake top, built-in fitting centre bit The distance for setting bored concrete pile stake top is bracket (3) center to the distance of bored concrete pile stake top, wherein built-in fitting center Distance to bored concrete pile stake top be support the beam type heart to stake top distance, support depth of beam 1/2 and bracket (3) height 1/2 The sum of;
S4: bracket welding
It digs out the cement slurry of built-in fitting steel plate (1) and bracket (3) weld side surface layer and its surface is polished completely, by bracket (3) It is welded to the surface for clean steel plate (1) of polishing, when bracket (3) and steel plate (1) are welded, weldering meat will be fully welded.
5. a kind of construction method of the pre-buried composite structure of interlocking pile bracing members system bracket according to claim 4, special Sign is that the length of the embedded bar (2) is 0.6-0.9 times of the pile diameter.
CN201811553259.3A 2018-12-18 2018-12-18 Construction method of interlocking pile steel support system bracket embedded combined structure Active CN109750673B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1850471A (en) * 2006-05-24 2006-10-25 贵阳铝镁设计研究院 Method for substituting postpositive steel bracket for concrete bracket
CN103255840A (en) * 2013-04-28 2013-08-21 江苏省华建建设股份有限公司 Combined built-in fitting for concrete walls and column tie bars and installation construction method thereof
CN103397705A (en) * 2013-08-16 2013-11-20 威海建设集团股份有限公司 Connection structure of building composite floor slab and steel bar truss shear wall
CN103485537A (en) * 2013-07-16 2014-01-01 中国建筑第八工程局有限公司 Construction method and structure of embedded reinforcement of super high-rise horizontal secondary structure
CN103556823A (en) * 2013-10-28 2014-02-05 山西省第二建筑工程公司 Construction method with silo sliding formwork operating platform as top cover plate formwork supporting system
CN205476586U (en) * 2016-04-09 2016-08-17 中国电建集团华东勘测设计研究院有限公司 Power station underground factory building furred ceiling construction platform's interim support system
CN107119803A (en) * 2017-05-16 2017-09-01 北京建筑大学 A kind of Core Walls Structure wall and beams of concrete connecting node and construction technology
CN206721891U (en) * 2016-12-20 2017-12-08 杭州江润科技有限公司 Ground-connecting-wall goes along with sb. to guard him foundation ditch steel pipe support structure
CN107724533A (en) * 2017-11-03 2018-02-23 中交航局第四工程有限公司 A kind of Super High Core Walls Structure beam and vertical structure connection method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1850471A (en) * 2006-05-24 2006-10-25 贵阳铝镁设计研究院 Method for substituting postpositive steel bracket for concrete bracket
CN103255840A (en) * 2013-04-28 2013-08-21 江苏省华建建设股份有限公司 Combined built-in fitting for concrete walls and column tie bars and installation construction method thereof
CN103485537A (en) * 2013-07-16 2014-01-01 中国建筑第八工程局有限公司 Construction method and structure of embedded reinforcement of super high-rise horizontal secondary structure
CN103397705A (en) * 2013-08-16 2013-11-20 威海建设集团股份有限公司 Connection structure of building composite floor slab and steel bar truss shear wall
CN103556823A (en) * 2013-10-28 2014-02-05 山西省第二建筑工程公司 Construction method with silo sliding formwork operating platform as top cover plate formwork supporting system
CN205476586U (en) * 2016-04-09 2016-08-17 中国电建集团华东勘测设计研究院有限公司 Power station underground factory building furred ceiling construction platform's interim support system
CN206721891U (en) * 2016-12-20 2017-12-08 杭州江润科技有限公司 Ground-connecting-wall goes along with sb. to guard him foundation ditch steel pipe support structure
CN107119803A (en) * 2017-05-16 2017-09-01 北京建筑大学 A kind of Core Walls Structure wall and beams of concrete connecting node and construction technology
CN107724533A (en) * 2017-11-03 2018-02-23 中交航局第四工程有限公司 A kind of Super High Core Walls Structure beam and vertical structure connection method

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