CN109555163A - The waterproof method of structure connection seam - Google Patents

The waterproof method of structure connection seam Download PDF

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Publication number
CN109555163A
CN109555163A CN201811447471.1A CN201811447471A CN109555163A CN 109555163 A CN109555163 A CN 109555163A CN 201811447471 A CN201811447471 A CN 201811447471A CN 109555163 A CN109555163 A CN 109555163A
Authority
CN
China
Prior art keywords
underground structure
original
newly
built
connection seam
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
CN201811447471.1A
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Chinese (zh)
Inventor
孙林
黄炜焱
蔡永华
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.)
Shanghai Mechanized Construction Group Co Ltd
Original Assignee
Shanghai Mechanized Construction Group 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 Shanghai Mechanized Construction Group Co Ltd filed Critical Shanghai Mechanized Construction Group Co Ltd
Priority to CN201811447471.1A priority Critical patent/CN109555163A/en
Publication of CN109555163A publication Critical patent/CN109555163A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • 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

Abstract

The present invention provides a kind of waterproof methods of structure connection seam, comprising: exposes the surface of original underground structure;Dabbing is carried out to the surface of original underground structure;Grouting Pipe, sealing rod, steel plate for sealing water are set gradually from the inner surface for meeting native face to original underground structure of original underground structure;And newly-built underground structure is formed, the newly-built underground structure is connected with original underground structure.Method provided by the present invention is constructed under the conditions of not influencing ground (tunneling) can retain original underground structure integrality; the old and new's underground structure connection seam is set to have waterproofness using multi layer waterproof measure, under the premise of so that the original structure of existing underground structure can be effectively protected under tunneling working condition.

Description

The waterproof method of structure connection seam
Technical field
The present invention relates to civil construction project technical field of construction, more particularly, to a kind of waterproof side of structure connection seam Method.
Background technique
Underground space development is in the peak period of construction, often will appear newly-built underground structure and connects with existing underground structure The case where.This existing technology of connection has following methods.The first is the underground structure for excavating connecting portion, will be existing Underground structure is exposed, and is then attached and makes the outer waterproof of seam, this method requires ground to have execution conditions, is not suitable with Tunneling underground engineering.It is for second reserved water receiver, underground water is leaked into the water come by seam using water receiver and is discharged, this Method permanently retains hidden danger, and when ground water pressure increases or seam increases, leakage increases, and uses very ratio to structure.The Three kinds of methods, are that original structure is abolished part, and newly-built structure and original structure are disposably poured in the structure of soil body exposure Build, seam retreats in existing structure, and this method structure does not adapt to the old and new's structure sediment difference, and to original structure destruction need through It crosses checking computations and technology determines.
Summary of the invention
The purpose of the present invention is to provide a kind of waterproof methods of structure connection seam, uncomfortable to solve existing waterproof method It answers tunneling underground engineering and there are problems that hidden danger.
Another object of the present invention is to provide a kind of waterproof methods of structure connection seam, to solve existing waterproof method In finally formed structure the problem of not adapting to the old and new's structure sediment difference.
In order to achieve the above object, the present invention provides a kind of waterproof methods of structure connection seam, comprising the following steps:
Expose the surface of original underground structure;
Dabbing is carried out to original underground structure surface;
Grouting Pipe is set gradually from the inner surface for meeting native face to original underground structure of original underground structure, is stopped Water bar and steel plate for sealing water;And
Newly-built underground structure is formed, the newly-built underground structure is connected with original underground structure.
Optionally, the sealing rod sticks at the connection of original underground structure Yu the newly-built underground structure using glue Seam crossing.
Optionally, the sealing rod water-swellable, the company of the closely knit newly-built underground structure and original underground structure The gap of seam.
Optionally, the Grouting Pipe is enclosed around the connection seam one of newly-built underground structure and original underground structure and is arranged.
Optionally, original underground structure described in the Grouting Pipe grouting and reinforcing meets the soil body in native face and fixes the sealing Item forms one of waterproof layer on the sealing rod surface.
Optionally, the steel plate for sealing water oblique cutting enters in original underground structure.
Optionally, positioning bar is used to make the newly-built underground structure side high, original underground structure side is low.
Optionally, note is set gradually in the inner surface for meeting native face to original underground structure of original underground structure After the step of starching pipe, sealing rod, steel plate for sealing water further include: in the connection of the new keys underground structure and original underground structure Brushing water-repellent paint on face.
Optionally, it includes: in the newly-built underground structure that the newly-built underground structure is connected with original underground structure The reinforcing bar that the newly-built underground structure is bound with the joint face of original underground structure carries out envelope mould and casting concrete shape At newly-built underground structure.
Optionally, after the step of formation creates the connection of underground structure and original underground structure, further includes: After concrete reaches intensity demoulding, seam crossing setting water receiving is connected with original underground structure in the newly-built underground structure Box.
In conclusion in the waterproof method of structure provided by the invention connection seam, comprising: expose original underground knot The surface of structure;Dabbing is carried out to original underground structure surface;Native face is met to described original from original underground structure The inner surface of underground structure sets gradually Grouting Pipe, sealing rod and steel plate for sealing water;And newly-built underground structure is formed, it is described newly-built Underground structure is connected with original underground structure.Method provided by the present invention is constructed under the conditions of not influencing ground (tunneling) can To retain original underground structure integrality, using multi layer waterproof measure, so that can be effectively protected under tunneling working condition The old and new's underground structure connection seam is set to have waterproofness under the premise of the original structure of existing underground structure.
Detailed description of the invention
Fig. 1 is the waterproof method that newly-built underground structure provided in an embodiment of the present invention connects seam with original underground structure Flow diagram;
Fig. 2 is the waterproof arrangement that newly-built underground structure provided in an embodiment of the present invention connects seam crossing with original underground structure Schematic diagram;
Wherein, the original underground structure of 1-, the original underground structure of 2- are gone along with sb. to guard him, and 3- creates underground structure, 4- sealing rod, 5- note Slurry pipe, 6- steel plate for sealing water, 7- water receiver.
Specific embodiment
A specific embodiment of the invention is described in more detail below in conjunction with schematic diagram.According to following description and Claims, advantages and features of the invention will become apparent from.It should be noted that attached drawing is all made of very simplified form and Using non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
As described in the background art, underground space development is in the peak period of construction, often will appear newly-built underground knot The case where structure connects with existing underground structure, but existing connection method be not suitable with tunneling underground engineering or newly-built underground structure with The waterproof effect of the connection seam of existing underground structure is undesirable or does not adapt to the settlement difference of the old and new's structure.
Therefore, in underground space development, to solve the above-mentioned problems, the present invention provides a kind of structure connection seams Waterproof method.
Refering to fig. 1, the flow diagram that the waterproof method of seam is connected for structure provided in an embodiment of the present invention, such as schemes Shown in 1, the waterproof method of structure connection seam the following steps are included:
Step S1: the surface of original underground structure is exposed;
Step S2: dabbing is carried out to original underground structure surface;
Step S3: note is set gradually from the inner surface for meeting native face to original underground structure of original underground structure Slurry pipe, sealing rod and steel plate for sealing water;And
Step S4: forming newly-built underground structure, and the newly-built underground structure is connected with original underground structure.
Referring to Fig.2, specifically, in step sl, the going along with sb. to guard him there are original underground structure around original underground structure 1 2, the surface of original underground structure 1 of structures connection is exposed using tunneling method, i.e., is tied the newly-built underground Removing is gone along with sb. to guard him outside junction needed for structure 3 and original underground structure 1, exposes the surface of original underground structure 1.
In step s 2, the joint face using tool in the newly-built underground structure 3 and original underground structure 1 is dug out One rule dent may make the newly-built underground structure 3 and 1 joint face of original underground structure to be firmly bonded.
In step s3, the sealing rod sticks at original underground structure 1 and the newly-built underground structure 3 using glue Connection seam crossing.Specifically, the sealing rod covers the connection of original 1 structure of underground knot and the newly-built underground structure 3 Face, the Grouting Pipe 5 are enclosed around the connection seam one of newly-built underground structure 3 and original underground structure 1 and are arranged.Further, The sealing rod 4 is water expandable waterstop;After the completion of New-old concrete pours, it is slow that the water expandable waterstop meets water The gap of the connection seam of expansion, the closely knit newly-built underground structure 3 and original underground structure 1 plays and water is prevented to leak Effect.
Further, the Grouting Pipe 3 is along original underground structure 1 and newly-built 3 joint face of underground structure Progress slip casting in one week.Original underground structure 1 described in 5 grouting and reinforcing of Grouting Pipe meets the soil body in native face, while fixing described stop Water bar 4 forms one of waterproof layer on 4 surface of sealing rod.Specifically, the Grouting Pipe 5 injects cement slurry, cement slurry and institute State original underground structure 1 meet native face the soil body combine after so that soil stabilization, while being marked with cement slurry at sealing rod 4 one weeks;Water After mud solidification, the fixed sealing rod 4, and one of cement layer is formed as waterproof layer on 4 surface of sealing rod.Specifically , decorative pattern hole Grouting Pipe can be used in the Grouting Pipe 5.
Specifically, 6 oblique cutting of steel plate for sealing water enters in the concrete of original underground structure 1;Preferably, the sealing When steel plate 6 is inserted into original underground structure 1, the included angle range with horizontal direction (X-direction in Fig. 2) is 15 degree to 30 Degree.Further, guarantee that the concrete side of the new keys underground structure 3 is high using positioning bar, the coagulation of original underground structure 1 Native side is low, can make closely knit bubble-free between concrete and steel plate for sealing water 6 in this way, and steel plate for sealing water 6 increases the road of water leakage Diameter, to increase waterproof effect.
Further, it is set gradually in the inner surface for meeting native face to original underground structure of original underground structure After the step of Grouting Pipe, sealing rod, steel plate for sealing water further include: in the new keys underground structure 3 and original underground structure 1 Brushing water-repellent paint on joint face, specifically, can brushing cement base crystalline waterproof coating material.
Specifically, it includes: in institute that the newly-built underground structure is connected with original underground structure in step step S4 The joint face for stating newly-built underground structure 3 and original underground structure 1 binds the reinforcing bar of the newly-built underground structure, carries out envelope mould And casting concrete forms newly-built underground structure.Further, newly-built underground structure and original underground are formed described After the step of connection of structure, further includes: after concrete reaches intensity demoulding, in the newly-built underground structure and described original Underground structure connect seam crossing be arranged water receiver 7, using water receiver by underground water by connect seam leak into come water discharge.
In conclusion in the waterproof method of structure provided by the invention connection seam, comprising: expose original underground knot The surface of structure;Dabbing is carried out to original underground structure surface;Native face is met to described original from original underground structure The inner surface of underground structure sets gradually Grouting Pipe, sealing rod, steel plate for sealing water;And newly-built underground structure is formed, it is described newly-built Underground structure is connected with original underground structure.Method provided by the present invention is constructed under the conditions of not influencing ground (tunneling) can To retain original underground structure integrality, using multi layer waterproof measure, so that can be effectively protected under tunneling working condition The old and new's underground structure connection seam is set to have waterproofness under the premise of the original structure of existing underground structure.
Further, reduce the time for temporarily occupying original underground structure and range, the old and new's structure eventually formed connects Seam is flexibility, adapts to certain settlement difference.
The above is only a preferred embodiment of the present invention, does not play the role of any restrictions to the present invention.Belonging to any Those skilled in the art, in the range of not departing from technical solution of the present invention, to the invention discloses technical solution and Technology contents make the variation such as any type of equivalent replacement or modification, belong to the content without departing from technical solution of the present invention, still Within belonging to the scope of protection of the present invention.

Claims (10)

1. a kind of waterproof method of structure connection seam, which is characterized in that include the following steps,
Expose the surface of original underground structure;
Dabbing is carried out to original underground structure surface;
Grouting Pipe, sealing rod are set gradually from the inner surface for meeting native face to original underground structure of original underground structure And steel plate for sealing water;And
Newly-built underground structure is formed, the newly-built underground structure is connected with original underground structure.
2. the waterproof method of structure connection seam as described in claim 1, which is characterized in that the sealing rod is viscous using glue In the connection seam crossing of original underground structure and the newly-built underground structure.
3. the waterproof method of structure connection seam as claimed in claim 2, which is characterized in that the sealing rod water-swellable, The gap of the connection seam of the closely knit newly-built underground structure and original underground structure.
4. the waterproof method of structure connection seam as described in claim 1, which is characterized in that the Grouting Pipe is around newly-built underground Structure and the connection seam one of original underground structure circle arrangement.
5. the waterproof method of structure connection seam as claimed in claim 4, which is characterized in that the Grouting Pipe grouting and reinforcing institute It states original underground structure to meet the soil body in native face and fix the sealing rod, forms one of waterproof layer on the sealing rod surface.
6. the waterproof method of structure connection seam as described in claim 1, which is characterized in that the steel plate for sealing water oblique cutting enters institute It states in original underground structure.
7. the waterproof method of structure connection seam as claimed in claim 5, which is characterized in that use positioning bar to make described new Underground structure side height is built, original underground structure side is low.
8. the waterproof method of structure connection seam as described in claim 1, which is characterized in that in original underground structure After the step of inner surface for meeting native face to original underground structure sets gradually Grouting Pipe, sealing rod, steel plate for sealing water further include: The brushing water-repellent paint on the joint face of the new keys underground structure and original underground structure.
9. the waterproof method of structure connection seam as described in claim 1, which is characterized in that the newly-built underground structure and institute It includes: described new in the binding of the joint face of the newly-built underground structure and original underground structure for stating original underground structure connection The reinforcing bar of underground structure is built, envelope mould is carried out and casting concrete forms newly-built underground structure.
10. the waterproof method of structure connection seam as claimed in claim 9, which is characterized in that form newly-built underground described After the step of connection of structure and original underground structure, further includes: after concrete reaches intensity demoulding, described newly-built Underground structure connects seam crossing setting water receiver with original underground structure.
CN201811447471.1A 2018-11-29 2018-11-29 The waterproof method of structure connection seam Pending CN109555163A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811447471.1A CN109555163A (en) 2018-11-29 2018-11-29 The waterproof method of structure connection seam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811447471.1A CN109555163A (en) 2018-11-29 2018-11-29 The waterproof method of structure connection seam

Publications (1)

Publication Number Publication Date
CN109555163A true CN109555163A (en) 2019-04-02

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106013253A (en) * 2016-05-19 2016-10-12 中铁第四勘察设计院集团有限公司 Connection node structure of metro transfer station and connection node construction method
CN106703084A (en) * 2016-12-20 2017-05-24 北京东方雨虹防水工程有限公司 Waterproofing treatment method and system of construction joint structure of plane and elevation structure junction areas of basement
CN107012892A (en) * 2017-04-14 2017-08-04 中建五局土木工程有限公司 New-old concrete interface waterproof construction and processing method
CN207092153U (en) * 2017-07-19 2018-03-13 广东裕达建设集团有限公司 A kind of bottom deformation seam percolating water repairs structure
CN207597428U (en) * 2017-11-01 2018-07-10 浙江交工集团股份有限公司 Prefabricated piping lane is connected waterproof construction with cast-in-place piping lane
CN207987983U (en) * 2017-12-31 2018-10-19 中铁十八局集团第五工程有限公司 A kind of waterproof construction being used for underground engineering main body construction seam and post-cast strip

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106013253A (en) * 2016-05-19 2016-10-12 中铁第四勘察设计院集团有限公司 Connection node structure of metro transfer station and connection node construction method
CN106703084A (en) * 2016-12-20 2017-05-24 北京东方雨虹防水工程有限公司 Waterproofing treatment method and system of construction joint structure of plane and elevation structure junction areas of basement
CN107012892A (en) * 2017-04-14 2017-08-04 中建五局土木工程有限公司 New-old concrete interface waterproof construction and processing method
CN207092153U (en) * 2017-07-19 2018-03-13 广东裕达建设集团有限公司 A kind of bottom deformation seam percolating water repairs structure
CN207597428U (en) * 2017-11-01 2018-07-10 浙江交工集团股份有限公司 Prefabricated piping lane is connected waterproof construction with cast-in-place piping lane
CN207987983U (en) * 2017-12-31 2018-10-19 中铁十八局集团第五工程有限公司 A kind of waterproof construction being used for underground engineering main body construction seam and post-cast strip

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
孙延宗: "《岩巷工程施工支护工程》", 31 July 2011, 冶金工业出版社 *

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Application publication date: 20190402