CN207647524U - A kind of new-old concrete crossover node bottom deformation seam water proof structure - Google Patents

A kind of new-old concrete crossover node bottom deformation seam water proof structure Download PDF

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Publication number
CN207647524U
CN207647524U CN201721350962.5U CN201721350962U CN207647524U CN 207647524 U CN207647524 U CN 207647524U CN 201721350962 U CN201721350962 U CN 201721350962U CN 207647524 U CN207647524 U CN 207647524U
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new
newly
proof structure
water proof
crossover node
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李伟
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Abstract

The utility model discloses a kind of new-old concrete crossover node bottom deformations to stitch water proof structure, including newly-built concrete floor and existed concrete bridge bottom plate, step processing is done at newly-built concrete floor and existed concrete bridge bottom plate, the corner point of Grade handled is embedded with water expandable waterstop, and it is embedded with repeatable Grouting Pipe, it is provided with deformation joint in newly-built concrete floor;The water proof structure of the utility model cancels the way that structure is abolished using deformation joint as boundary, deformation joint is arranged in newly-built structure, water expandable waterstop and repeatable Grouting Pipe are arranged using processing at step and at step for new and old interface, and the waterproof roll of new and old interface is subjected to overlap joint processing, pass through multi-way prevention, anti-blocking combination, it is ensured that the waterproof quality at crossover node.

Description

A kind of new-old concrete crossover node bottom deformation seam water proof structure
Technical field
The utility model is related to a kind of water proof structure, more particularly to a kind of new-old concrete crossover node bottom deformation seam is anti- Water constructs.
Background technology
With the continuous development of city track traffic engineering, continuously emerged in the design of the city rails such as subway, implementation process The cross-over design of new construction and existing engineering is implemented.Crossover node engineering, which generally involves existing structure, to be abolished and rebuilds or together Phase builds together, and the wherein water-proofing treatment at crossover node is most important to entire engineering.In existing crossover node implementation process, greatly It is mostly abolished using deformation joint as interface and rebuilds part existing structure and original outsourcing fish tail and waterproof layer, Planning and Design can not be to originals Outsourcing waterproof accomplishes that original state is restored, and original structure is provided with middle rubber fastening band in deformation joint, also can be complete during abolishing Complete to destroy, waterstop loses its effect, will become and rebuild rear structurally waterproof weak part, causes station and tunnel water proofing failure.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of new-old concrete crossover node bottom plate Waterproofing of movement joints constructs, and the technical solution of the new-old concrete crossover node bottom deformation seam water proof structure is realized in 's:
A kind of new-old concrete crossover node bottom deformation seam water proof structure, including newly-built concrete floor and existing coagulation Step processing is done at native bottom plate, the newly-built concrete floor and existed concrete bridge bottom plate, the step processing is by existing Concrete floor gradually extends to newly-built concrete floor direction, and the corner point of the step processing, which is embedded with water-swellable, to be stopped Water bar, and it is embedded with repeatable Grouting Pipe, deformation joint, the interior liner of the deformation joint are provided in the newly-built concrete floor Plate is filled, and deformation joint back side is blocked with fluid sealant, and middle part is provided with middle waterstop, and upstream face is provided with back sticking type sealing Band, back-adhering waterstop outside is filled with foam rods to be blocked, and fluted body is set as below the newly-built concrete floor deformation joint, Fluted body bottom uses pre-installed and inverted adhered self-adhesive waterproof web, lower section to be laid with pea gravel concreten bed course.
Further, the pea gravel concreten bed course is C20 pea gravel concreten bed courses.
Further, the side that the fluted body bottom is close to newly-built concrete floor is additionally provided with 50mm thickness C20 microliths Concrete cover.
Further, the pre-installed and inverted adhered self-adhesive waterproof web of the newly-built concrete floor and original waterproof slab coiled material Overlap joint processing is carried out, the lap of splice is not less than 150mm.
Further, the middle waterstop and horizontal direction angle are 15~25 °.
Further, the size of the water expandable waterstop is 20mm × 10mm.
Further, the step width of step processing is 100~150mm, step distance deformation joint at the bottom Distance be more than or equal to 300mm.
The water proof structure of the utility model cancels the way that structure is abolished using deformation joint as boundary, by deformation joint setting newly-built In structure, water expandable waterstop and repeatable Grouting Pipe are arranged using processing at step and at step for new and old interface, and The waterproof roll of new and old interface is subjected to overlap joint processing, passes through multi-way prevention, anti-blocking combination, it is ensured that the waterproof at crossover node Quality.
Description of the drawings
Fig. 1 is the utility model water proof structure schematic diagram.
Reference numeral:1- creates concrete floor, 2- existed concrete bridge bottom plates, 3- deformation joints, 4- lining planks, 5- sealings Glue, 6- middle waterstops, 7- fluted bodies, 8- back-adhering waterstops, 9- pre-installed and inverted adhered adhesive waterproof coils, 10- microlith coagulations Soil padding, 11-C20 pea gravel concreten protective layers, 12- foam rods, 13- water expandable waterstops, the original waterproof rolls of 14-, 15- Repeatable Grouting Pipe.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of new-old concrete crossover node bottom deformation stitches water proof structure, including newly-built concrete floor 1 and existed concrete bridge bottom plate 2, do step processing at the newly-built concrete floor 1 and existed concrete bridge bottom plate 2, described Grade handled is gradually extended from existed concrete bridge bottom plate 2 to 1 direction of newly-built concrete floor, the corner point of the step processing It is embedded with water expandable waterstop 13, and is embedded with repeatable Grouting Pipe 15, deformation is provided in the newly-built concrete floor 1 Seam 3, the deformation joint 3 is interior to be filled with lining plank 4, and 3 back side of deformation joint is blocked with fluid sealant 5, and middle part is provided with middle and stops Water band 6, upstream face are provided with back-adhering waterstop 8, and 8 outside of back-adhering waterstop is blocked with the filling of foam rods 12, described newly-built 3 lower section of deformation joint of concrete floor 1 is set as fluted body 7, and 7 bottom of fluted body uses pre-installed and inverted adhered self-adhesive waterproof web 9, Lower section is laid with pea gravel concreten bed course 10.
When it is implemented, the pea gravel concreten bed course 10 is C20 pea gravel concreten bed courses.
When it is implemented, the side that 7 bottom of the fluted body is close to newly-built concrete floor is additionally provided with 50mm thickness C20 Pea gravel concreten protective layer 11.
When it is implemented, the pre-installed and inverted adhered self-adhesive waterproof web 9 of the newly-built concrete floor 1 and original waterproof slab Coiled material 14 carries out overlap joint processing, and the lap of splice is not less than 150mm.
When it is implemented, edge sealing processing is done in the both ends of the overlap joint processing with fluid sealant 5 respectively.
When it is implemented, the middle waterstop 6 and horizontal direction angle are 15~25 °.
When it is implemented, the size of the water-swellable sealing 13 is 20mm × 10mm.
When it is implemented, the step width of the step processing is 100~150mm, step distance deformation at the bottom The distance of seam 3 is more than or equal to 300mm.
When it is implemented, the foam rods 12 are 50 foam rods of φ.
The technology contents and technical characteristic of the utility model have revealed that as above those skilled in the art still may base The replacement and modification without departing substantially from the utility model in essence are made in the teaching of the utility model, therefore, the utility model protection Range is not limited to the revealed content of embodiment, also includes various replacements and modification without departing substantially from the utility model in essence.

Claims (7)

1. a kind of new-old concrete crossover node bottom deformation stitches water proof structure, it is characterised in that:Including creating concrete floor With existed concrete bridge bottom plate, step processing, the step are done at the newly-built concrete floor and existed concrete bridge bottom plate Processing is gradually extended from existed concrete bridge bottom plate to newly-built concrete floor direction, and the corner point of the step processing is embedded with Water expandable waterstop, and it is embedded with repeatable Grouting Pipe, deformation joint, the deformation are provided in the newly-built concrete floor It is filled with lining plank in seam, deformation joint back side is blocked with fluid sealant, and middle part is provided with middle waterstop, and upstream face is provided with Back-adhering waterstop, back-adhering waterstop outside is filled with foam rods to be blocked, and is set below the newly-built concrete floor deformation joint It is set to fluted body, fluted body bottom uses pre-installed and inverted adhered self-adhesive waterproof web, lower section to be laid with pea gravel concreten bed course.
2. new-old concrete crossover node bottom deformation according to claim 1 stitches water proof structure, it is characterised in that:It is described Pea gravel concreten bed course is C20 pea gravel concreten bed courses.
3. new-old concrete crossover node bottom deformation according to claim 1 stitches water proof structure, it is characterised in that:It is described The side that fluted body bottom is close to newly-built concrete floor is additionally provided with 50mm thickness C20 pea gravel concreten protective layers.
4. new-old concrete crossover node bottom deformation according to claim 1 stitches water proof structure, it is characterised in that:It is described The pre-installed and inverted adhered self-adhesive waterproof web of newly-built concrete floor carries out overlap joint processing, the lap of splice with original waterproof slab coiled material Not less than 150mm.
5. new-old concrete crossover node bottom deformation according to claim 1 stitches water proof structure, it is characterised in that:It is described Middle waterstop and horizontal direction angle are 15~25 °.
6. new-old concrete crossover node bottom deformation according to claim 1 stitches water proof structure, it is characterised in that:It is described The size of water expandable waterstop is 20mm × 10mm.
7. new-old concrete crossover node bottom deformation according to claim 1 stitches water proof structure, it is characterised in that:It is described The step width of step processing is 100~150mm, and the distance of step distance deformation joint is more than or equal to 300mm at the bottom.
CN201721350962.5U 2017-10-19 2017-10-19 A kind of new-old concrete crossover node bottom deformation seam water proof structure Active CN207647524U (en)

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CN201721350962.5U CN207647524U (en) 2017-10-19 2017-10-19 A kind of new-old concrete crossover node bottom deformation seam water proof structure

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CN201721350962.5U CN207647524U (en) 2017-10-19 2017-10-19 A kind of new-old concrete crossover node bottom deformation seam water proof structure

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109372024A (en) * 2018-11-29 2019-02-22 江苏兴厦建设工程集团有限公司 A kind of sole plate waterproof structure for deformation seams and construction method
CN111005406A (en) * 2019-12-27 2020-04-14 广西大胡子防水科技有限公司 Waterproof construction method for underground engineering node
CN114775697A (en) * 2022-05-16 2022-07-22 中铁十一局集团有限公司 Method for processing deformation joint at joint of new structure and old structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109372024A (en) * 2018-11-29 2019-02-22 江苏兴厦建设工程集团有限公司 A kind of sole plate waterproof structure for deformation seams and construction method
CN111005406A (en) * 2019-12-27 2020-04-14 广西大胡子防水科技有限公司 Waterproof construction method for underground engineering node
CN114775697A (en) * 2022-05-16 2022-07-22 中铁十一局集团有限公司 Method for processing deformation joint at joint of new structure and old structure
CN114775697B (en) * 2022-05-16 2024-02-13 中铁十一局集团有限公司 Method for processing deformation joint at joint of new and old structures

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