CN114482139A - Basement construction joint antiseep construction structures - Google Patents

Basement construction joint antiseep construction structures Download PDF

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Publication number
CN114482139A
CN114482139A CN202111681991.0A CN202111681991A CN114482139A CN 114482139 A CN114482139 A CN 114482139A CN 202111681991 A CN202111681991 A CN 202111681991A CN 114482139 A CN114482139 A CN 114482139A
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CN
China
Prior art keywords
construction
steel bars
construction joint
clamping
basement
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Pending
Application number
CN202111681991.0A
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Chinese (zh)
Inventor
刘刚
田泽辉
周人杰
林裕
朱才元
刘悦枫
尹超
赵小龙
张敏
石伟
吴思杉
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Chengdu Second Construction Engineering Co ltd Of Cdceg
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Chengdu Second Construction Engineering Co ltd Of Cdceg
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Application filed by Chengdu Second Construction Engineering Co ltd Of Cdceg filed Critical Chengdu Second Construction Engineering Co ltd Of Cdceg
Priority to CN202111681991.0A priority Critical patent/CN114482139A/en
Publication of CN114482139A publication Critical patent/CN114482139A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/16Arrangement or construction of joints in foundation structures

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Building Environments (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

The invention provides an anti-leakage construction structure for a basement construction joint, which comprises a buried water stop belt and a positioning structure for connecting one side of the buried water stop belt with main steel bars of a cast-in-place concrete structure, wherein the positioning structure comprises two groups of clamping steel bars and fixing steel bars, the two groups of clamping steel bars clamp the buried water stop belt between the two groups of clamping steel bars, the two groups of clamping steel bars are connected with the two groups of clamping steel bars, and the fixing steel bars are connected with the main steel bars of the cast-in-place concrete structure. The water stop belt is clamped by the clamping reinforcing steel bars, after clamping, the clamping reinforcing steel bars and the fixing reinforcing steel bars are connected in a cross mode to form a fixing mode in a shape like a Chinese character 'jing', the clamping reinforcing steel bars and the main reinforcing steel bars of the cast-in-place concrete structure of the main structure are connected into a whole, and loads borne by the embedded water stop belt in the construction process are transmitted to the main structure reinforcing steel bars through the fixing reinforcing steel bars in the shape like the Chinese character 'jing', so that impact loads caused by concrete impact force to the embedded water stop belt are eliminated, and the deviation problem is avoided.

Description

Basement construction joint antiseep construction structures
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an anti-seepage construction structure for a basement construction joint.
Background
The construction joint refers to a joint formed between the concrete which is poured in advance and then due to the design requirement or the requirement of segmental pouring in the concrete pouring process. In the antiseep work progress of traditional basement construction joint, because the impact effect in the concrete placement process causes waterstop off normal problem easily.
Disclosure of Invention
The invention mainly aims to provide a basement construction joint anti-seepage construction structure to solve the problem that a water stop belt is deviated during basement construction joint anti-seepage construction in the prior art.
In order to achieve the purpose, the invention provides an anti-leakage construction structure for a basement construction joint, which comprises a buried water stop belt and a positioning structure, wherein one side of the buried water stop belt is connected with main steel bars of a firstly poured concrete structure, the positioning structure comprises two groups of clamping steel bars and fixing steel bars, the two groups of clamping steel bars clamp the buried water stop belt between the two groups of clamping steel bars, the fixing steel bars are connected with the main steel bars of the firstly poured concrete structure, and the fixing steel bars are connected with the main steel bars of the firstly poured concrete structure.
Therefore, the basement construction joint anti-seepage construction structure clamps the water stop through the clamping reinforcing steel bars, after clamping, the clamping reinforcing steel bars and the fixing reinforcing steel bars are connected in a cross mode to form a fixing mode in a shape like a Chinese character 'jing', the clamping reinforcing steel bars and the main reinforcing steel bars of the cast-in-place concrete structure of the main structure are connected into a whole, and loads borne in the construction process of the buried water stop are transmitted to the main structure reinforcing steel bars through the fixing reinforcing steel bars in the shape like the Chinese character 'jing', so that impact loads caused by concrete impact force to the buried water stop are eliminated, and the problem of deviation is avoided.
Furthermore, the construction joint sealing glue also comprises a sealing glue coated on the surface of the construction joint. The two-component polysulfide sealant is filled in a construction joint to form a tight binding layer which is used as a second waterproof layer outside the buried water stop belt, so that water flow is prevented from permeating.
Furthermore, the top and the bottom of construction joint all reserve and have 30mm recess, the recess is used for filling sealed glue into the construction joint.
Further, the sealant is a two-component polysulfide sealant.
Further, still include the waterproof additional layer of setting in construction joint negative and positive angle department. So that the main body structure deformation process increases the tensile resistance and the flexibility of the waterproof layer, avoids the leakage problem caused by the damage of the waterproof layer at the outer side, and forms a third waterproof measure.
Furthermore, a waterproof additional layer with the width of 400mm is additionally arranged at the construction joint.
Further, the clamping steel bar diameter is 8mm, and the fixed steel bar diameter is 12 mm.
Furthermore, two groups of clamping reinforcing bars and fixed reinforcing bars are connected to form a structure shaped like a Chinese character jing.
Further, the construction joint is a wall construction joint, the embedded water stop is vertically arranged in the wall construction joint, and the fixed steel bars are welded with the main body steel bars of the wall body of the cast-in-place concrete structure.
Further, the construction joint is a plate structure construction joint, the buried water stop belt is horizontally arranged in the plate structure construction joint, and the fixed steel bars are welded with the plate structure main body steel bars of the plate structure which is poured with concrete firstly.
Therefore, the basement construction joint anti-seepage construction structure clamps the water stop through the clamping reinforcing steel bars, after clamping, the clamping reinforcing steel bars and the fixing reinforcing steel bars are connected in a cross mode to form a fixing mode in a shape like a Chinese character 'jing', the clamping reinforcing steel bars and the main reinforcing steel bars of the cast-in-place concrete structure of the main structure are connected into a whole, and loads borne in the construction process of the buried water stop are transmitted to the main structure reinforcing steel bars through the fixing reinforcing steel bars in the shape like the Chinese character 'jing', so that impact loads caused by concrete impact force to the buried water stop are eliminated, and the problem of deviation is avoided.
The invention is further described with reference to the following figures and detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to assist in understanding the invention, and are included to explain the invention and their equivalents and not limit it unduly. In the drawings:
fig. 1 is a sectional view of the basement construction joint anti-seepage construction structure applied to a wall body.
Fig. 2 is a schematic structural view of the basement construction joint leakage-proof construction structure applied to a wall body.
Fig. 3 is a sectional view of the basement construction joint leakage-proof construction structure applied to a plate structure.
Fig. 4 is a schematic structural view of the anti-seepage construction structure of the basement construction joint applied to a plate structure.
Detailed Description
The invention will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to implement the invention based on these teachings. Before the present invention is described in detail with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in the respective sections including the following description may be combined with each other without conflict.
Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
With respect to terms and units in the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions.
The anti-leakage construction structure for the basement construction joint comprises a buried water stop belt 1 and a positioning structure for connecting one side of the buried water stop belt 1 with main steel bars of a firstly poured concrete structure, wherein the positioning structure comprises two groups of clamping steel bars 5 and fixed steel bars 6, the two groups of clamping steel bars 5 clamp the buried water stop belt 1 between the two groups of clamping steel bars, and the fixed steel bars 6 are connected with the main steel bars of the firstly poured concrete structure.
And (4) applying a sealant on the surface of the construction joint.
The top and the bottom of construction joint all reserve and have 30mm x 30mm recess 3, recess 3 is used for filling sealed glue in to the construction joint.
The sealant is a two-component polysulfide sealant.
The waterproof structure further comprises a waterproof additional layer arranged at the male and female corners of the construction joint.
And a waterproof additional layer with the width of 400mm is additionally arranged at the construction joint.
The diameter of the clamping steel bar 5 is 8mm, and the diameter of the fixed steel bar 6 is 12 mm.
The two groups of clamping reinforcing steel bars 5 are connected with the fixed reinforcing steel bars 6 to form a structure shaped like a Chinese character 'jing'.
The construction joint is a wall construction joint 8, the embedded water stop belt 1 is vertically arranged in the wall construction joint 8, and the fixed steel bars 6 are welded with the wall main body steel bars 71 of the wall 7 in the concrete casting structure.
The construction joint is plate structure construction joint 2, well bury 1 level of waterstop and set up in plate structure construction joint 2, fixed reinforcement 6 welds with the plate structure main part reinforcing bar 41 of the earlier concreting structure of plate structure 4.
Referring to fig. 1 and 2, when the anti-seepage construction structure for the basement construction joint is applied to a slab structure 4, the anti-seepage construction structure for the basement construction joint 1 is characterized by comprising a buried water stop 1 and a positioning structure for connecting one side of the buried water stop 1 with main steel bars of a concrete structure poured firstly, wherein the positioning structure comprises two groups of clamping steel bars 5 for clamping the buried water stop 1 between the two groups of clamping steel bars and fixing steel bars 6 connected with the two groups of clamping steel bars 5, and the fixing steel bars 6 are connected with the main steel bars of the concrete structure poured firstly. Wherein, the construction joint is plate structure construction joint 2, well bury 1 level of waterstop and set up in plate structure construction joint 2, fixed reinforcing bar 6 welds with the plate structure main part reinforcing bar 41 of the earlier concreting structure of plate structure 4. The two groups of clamping reinforcing steel bars 5 are connected with the fixed reinforcing steel bars 6 to form a structure shaped like a Chinese character 'jing'. And the construction joint also comprises a sealant coated on the surface of the construction joint. The top and the bottom of construction joint all reserve and have 30mm x 30mm recess 3, recess 3 is used for filling sealed glue in to the construction joint. The waterproof structure further comprises a waterproof additional layer arranged at the male and female corners of the construction joint.
Preferably, the sealant is a two-component polysulfide sealant; a waterproof additional layer with the width of 400mm is additionally arranged at the construction joint; the diameter of the clamping steel bar 5 is 8mm, and the diameter of the fixed steel bar 6 is 12 mm.
Referring to fig. 3 and 4, when the anti-leakage construction structure for the basement construction joint is applied to a wall 7, the anti-leakage construction structure for the basement construction joint comprises a buried water stop 1 and a positioning structure for connecting one side of the buried water stop 1 with main steel bars of a concrete structure poured firstly, the positioning structure comprises two groups of clamping steel bars 5 for clamping the buried water stop 1 between the two groups of clamping steel bars and fixing steel bars 6 connected with the two groups of clamping steel bars 5, and the fixing steel bars 6 are connected with the main steel bars of the concrete structure poured firstly. The construction joint is a wall construction joint 8, the embedded water stop belt 1 is vertically arranged in the wall construction joint 8, and the fixed steel bars 6 are welded with the wall main body steel bars 71 of the wall 7 in the concrete casting structure. The two groups of clamping reinforcing steel bars 5 are connected with the fixed reinforcing steel bars 6 to form a structure shaped like a Chinese character 'jing'. And the construction joint also comprises a sealant coated on the surface of the construction joint. The top and the bottom of construction joint all reserve and have 30mm x 30mm recess 3, recess 3 is used for filling sealed glue in to the construction joint. The waterproof structure further comprises a waterproof additional layer arranged at the male and female corners of the construction joint. The waterproof additional layer adopts SBS elastomer waterproof coiled material.
The construction method of the basement construction joint anti-seepage construction structure comprises the following steps:
(1) according to the width of the embedded water stop belt and the size of a basement main structure, the water stop belt is subjected to fixed-length blanking, the distance between the steel bars with the diameter of 8mm is 200mm in the installation process of the water stop belt, the water stop belt is subjected to clamping treatment, and after the clamping treatment, the steel bars with the diameter of 12mm are subjected to cross connection with the fixed steel bars of the water stop belt to form a fixing mode in a shape like a Chinese character 'jing'. And the reinforcing steel bar with the diameter of 12mm and the main structure reinforcing steel bar are connected into a whole, and the load received in the construction process of the embedded water stop belt is transmitted to the main structure reinforcing steel bar through the fixing rib in the shape of the Chinese character 'jing', so that the impact load caused by concrete impact force and centering of the embedded water stop belt is eliminated, and the deviation problem is avoided.
(2) After the construction of the basement main structure is completed, before the waterproof construction, the construction joints of the basement roof, the basement floor and the outer wall are repeatedly coated with the two-component polysulfide sealant, in the coating process, grooves with the size of 30mm multiplied by 30mm are reserved at the construction joints, the two-component polysulfide sealant is filled into the grooves, trowelled and compacted, and a small wood stick is used for vibrating, so that the dense two-component polysulfide sealant slowly permeates into the construction joints and is densely filled. Forming a second waterproof measure.
(3) After the construction of the two-component polysulfide sealant is finished, a construction waterproof additional layer is additionally arranged at the construction joint, so that the tensile resistance and the flexibility of the waterproof layer are improved in the deformation process of the main structure, the leakage problem caused by the damage of the outer waterproof layer is avoided, and a third waterproof measure is formed.
(4) Through addding waterproof additional layer, bury waterstop construction quality in two ingredient polysulfide sealant improves simultaneously, guaranteed basement major structure construction completion back, can not lead to the seepage condition to appear because of differential settlement, too big or other problems of water pressure, when outside waterproof layer fracture infiltration back, can also play a dual waterproof system through two ingredient polysulfide sealant and additional layer, guarantee that rivers can not dip in the major structure.
The contents of the present invention have been explained above. Those skilled in the art will be able to implement the invention based on these teachings. All other embodiments, which can be derived by a person skilled in the art from the above description without inventive step, shall fall within the scope of protection of the present invention.

Claims (10)

1. Basement construction joint antiseep construction structures, its characterized in that buries waterstop (1), supplies in and buries waterstop (1) one side and the location structure who pours concrete structure's main part reinforcing bar connection earlier, location structure includes and buries waterstop (1) clamp in with and establish two sets of clamping reinforcing bars (5) between them, with fixed reinforcing bar (6) that two sets of clamping reinforcing bars (5) are connected, fixed reinforcing bar (6) are connected with the main part reinforcing bar of pouring concrete structure earlier.
2. The basement construction joint leakage-proof construction structure of claim 1, further comprising a sealant applied to the surface of the construction joint.
3. The anti-leakage construction structure for basement construction joints according to claim 1, wherein grooves (3) of 30mm x 30mm are reserved at the top and the bottom of the construction joints, and the grooves (3) are used for filling sealant into the construction joints.
4. The basement construction joint leakage-proof construction structure as claimed in claim 2 or 3, wherein the sealant is a two-component polysulfide sealant.
5. The basement construction joint leakage-proof construction structure of claim 1, further comprising additional waterproof layers arranged at the male and female corners of the construction joint.
6. The basement construction joint anti-seepage construction structure of claim 5, wherein a waterproof additional layer with the width of 400mm is additionally arranged at the construction joint.
7. The basement construction joint leakage-proof construction structure of claim 1, wherein the clamping bar (5) is 8mm in diameter and the fixing bar (6) is 12mm in diameter.
8. The anti-leakage construction structure of the basement construction joint as claimed in claim 1, wherein the two groups of clamping steel bars (5) and the fixing steel bars (6) are connected to form a structure shaped like a Chinese character 'jing'.
9. The basement construction joint anti-leakage construction structure of claim 1, wherein the construction joint is a wall construction joint (8), the buried water stop (1) is vertically arranged in the wall construction joint (8), and the fixing steel bars (6) are welded with wall main body steel bars (71) of a cast-in-advance concrete structure of the wall (7).
10. The anti-seepage construction structure of the basement construction joint as claimed in claim 1, wherein the construction joint is a slab construction joint (2), the buried water stop (1) is horizontally arranged in the slab construction joint (2), and the fixing steel bars (6) are welded with the slab main body steel bars (41) of the pre-cast concrete structure of the slab structure (4).
CN202111681991.0A 2021-12-31 2021-12-31 Basement construction joint antiseep construction structures Pending CN114482139A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN114482139A true CN114482139A (en) 2022-05-13

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203256810U (en) * 2013-08-13 2013-10-30 中建七局第二建筑有限公司 Rubber waterstop fixing structure for deformation joint of underground structure
KR101732726B1 (en) * 2016-06-20 2017-05-04 에이스아이엔씨 주식회사 Wall panel assembly and construction method using the same
CN107653914A (en) * 2017-10-18 2018-02-02 浙江省第水电建设集团股份有限公司 A kind of waterproof system for mass concrete
CN109778917A (en) * 2019-02-22 2019-05-21 中铁第六勘察设计院集团有限公司 A kind of cold seam waterproof construction of underground engineering construction and construction method
CN111042210A (en) * 2019-12-20 2020-04-21 成都建工第二建筑工程有限公司 Construction method of buried water stop
CN210827600U (en) * 2019-09-30 2020-06-23 中铁七局集团第五工程有限公司 Steel-edged rubber water stop fixing structure for subway station main structure construction joint
CN211547825U (en) * 2019-12-03 2020-09-22 中国建筑土木建设有限公司 Horizontal construction joint rubber waterstop locator and location construction structures thereof
WO2020201840A1 (en) * 2019-04-05 2020-10-08 Wpmeesti Oü Rupture element in concrete structures
CN214832926U (en) * 2021-01-20 2021-11-23 中亿丰建设集团股份有限公司 Construction joint structure of water-containing structure bottom plate
CN215054074U (en) * 2021-02-05 2021-12-07 山西一建集团有限公司 Middle-buried rubber waterstop fixing structure
CN215165879U (en) * 2020-12-22 2021-12-14 中铁建投潍坊城市开发建设有限公司 Water stop positioning clamp

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203256810U (en) * 2013-08-13 2013-10-30 中建七局第二建筑有限公司 Rubber waterstop fixing structure for deformation joint of underground structure
KR101732726B1 (en) * 2016-06-20 2017-05-04 에이스아이엔씨 주식회사 Wall panel assembly and construction method using the same
CN107653914A (en) * 2017-10-18 2018-02-02 浙江省第水电建设集团股份有限公司 A kind of waterproof system for mass concrete
CN109778917A (en) * 2019-02-22 2019-05-21 中铁第六勘察设计院集团有限公司 A kind of cold seam waterproof construction of underground engineering construction and construction method
WO2020201840A1 (en) * 2019-04-05 2020-10-08 Wpmeesti Oü Rupture element in concrete structures
CN210827600U (en) * 2019-09-30 2020-06-23 中铁七局集团第五工程有限公司 Steel-edged rubber water stop fixing structure for subway station main structure construction joint
CN211547825U (en) * 2019-12-03 2020-09-22 中国建筑土木建设有限公司 Horizontal construction joint rubber waterstop locator and location construction structures thereof
CN111042210A (en) * 2019-12-20 2020-04-21 成都建工第二建筑工程有限公司 Construction method of buried water stop
CN215165879U (en) * 2020-12-22 2021-12-14 中铁建投潍坊城市开发建设有限公司 Water stop positioning clamp
CN214832926U (en) * 2021-01-20 2021-11-23 中亿丰建设集团股份有限公司 Construction joint structure of water-containing structure bottom plate
CN215054074U (en) * 2021-02-05 2021-12-07 山西一建集团有限公司 Middle-buried rubber waterstop fixing structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
许宁等: "防水工 第二版", 中国建材工业出版社 *

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