CN107288141B - A kind of seamless flexible water construction technology of contrary sequence method - Google Patents

A kind of seamless flexible water construction technology of contrary sequence method Download PDF

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Publication number
CN107288141B
CN107288141B CN201710682750.5A CN201710682750A CN107288141B CN 107288141 B CN107288141 B CN 107288141B CN 201710682750 A CN201710682750 A CN 201710682750A CN 107288141 B CN107288141 B CN 107288141B
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China
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concrete
shear
foundation pit
draining board
composite
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CN201710682750.5A
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CN107288141A (en
Inventor
杨树东
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Jiangsu Light Jump Energy Saving Science And Technology Co Ltd
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Jiangsu Light Jump Energy Saving Science And Technology Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/06Restraining of underground water
    • E02D19/10Restraining of underground water by lowering level of ground water
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • 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 relates to a kind of seamless flexible water construction technologies of contrary sequence method, include at least: the smooth, compacting by the element soil of building foundation pit bottom forms bed course;Composite water draining board is laid on bed course;Installation built-in type leads slurry pipe;It is laid with the reinforcing steel bar shelf on concrete structure basis;Concrete structure basis is carried out to pour;It sets up foundation pit side concrete structure shear wall formwork, be laid with reinforcing steel bar shelf, pour foundation pit side concrete structure shear wall;Dismantling concrete structural shear wall template;Concrete structure shear wall periphery is installed by composite water draining board;Installation rear-loading type leads slurry pipe;Foundation pit surrounding ash earthen backfill;When the main body construction or after the completion of building structure, imports flexible waterproof material slurry, the formation seamless waterproof layer of flexible sealing into reserved cavity by leading slurry pipe;Precipitation apparatus is removed, while utilizing the ground water pressure force inspecting to go up;Ne-leakage is delivered.This Waterproof Construction Technique is not influenced by ambient temperature, and short time limit, safe and reliable and primary construct are not leaked all the life.

Description

A kind of seamless flexible water construction technology of contrary sequence method
Technical field
The present invention relates to waterproof technology technical fields, and in particular to a kind of seamless flexible water construction technology of contrary sequence method.
Background technique
With city-building flourish, ground living space expand with cultivated area hold the two it is full of contradictions, shallowly The development and utilization of the layer underground space is particularly important.Currently, Urban Rail Transit Project and subterranean commercial area are opened It sends out like a raging fire, and is carried out in city in underground engineering construction, because waterproof construction progress is compared with slow, waterproof effect is poor etc. Factor has seriously affected construction speed and construction quality.
The building field of China nearly more than ten years is developing rapidly, and annual building basement is because seepy question brings nothing Several property losses and civil disputation.By Engineering Projects analysis main reasons is that: at waterproof material quality and material joints Reason problem, material is for the sealing problem in concrete structure base surface crack, and the problems such as construction, the above problem causes building external Shield, protects the water-proof function of waterproof layer to fail, so as to cause the shortening of building structure life and building function and structural safety It is affected.
For this purpose, we have proposed a kind of seamless flexible water construction technologies of contrary sequence method, to solve the above problems.
Summary of the invention
A primary object of the present invention is to overcome at least one defect in the prior art, provide a kind of contrary sequence method without Seam flexible water construction technology, influence when solving building waterproof layer construction by environment temperature and rainwater lead to construction week The problem of phase long problem and building cost rise, while solving the problems, such as the material joints processing of building waterproof layer, coagulation soil matrix The waterproof sealing problem of plinth facial cleft seam and rejected region.
In order to realize above-mentioned technical proposal, the invention adopts the following technical scheme:
According to an aspect of the present invention, a kind of seamless flexible water construction technology of contrary sequence method is provided, include at least with Lower step:
S01: the smooth, compacting by the element soil of building foundation pit bottom forms bed course;
S02: composite water draining board is laid on the bed course;
S03: installation built-in type leads slurry pipe;
Wherein, the built-in type leads the bottom end of slurry pipe and the composite water draining board is connected and leads slurry pipe in the built-in type Bottom end be equipped with lead slurry mouth;
S04: it is laid with the reinforcing steel bar shelf on concrete structure basis;
Wherein, the reinforcing steel bar shelf be mounted on the upside of the composite water draining board, the reinforcing steel bar shelf with it is described compound Reserved cavity is formed between drain bar;Chamber is poured by installation concrete structure foundation forms formation around the reinforcing steel bar shelf Body;
S05: it is described pour in cavity carry out concrete structure basis pour;
S06: it sets up foundation pit side concrete structure shear wall formwork, be laid with reinforcing steel bar shelf, while in adjacent reinforced frame It is provided with removable lacing wire anchor pole between body, pours foundation pit side concrete structure shear wall;
S07: after concrete structure shear wall solidification, the concrete structure shear wall formwork is removed;
S08: removing removable lacing wire anchor pole in the concrete structure shear wall, and in corresponding position, setting rear-loading type leads slurry Pipe;
S09: composite water draining board, the composite water draining board and concrete are installed in the concrete structure shear wall lateral surface Reserved cavity is formed between structural shear wall;The outer end that the composite water draining board and the rear-loading type lead slurry pipe is connected, equally, The outer end that the rear-loading type leads slurry pipe, which is equipped with, leads slurry mouth;
S10: foundation pit surrounding ash earthen backfill;
S11: when the main body construction of building structure or after the completion, slurry pipe is led by built-in type, rear-loading type leads slurry pipe to pre- It stays and imports flexible waterproof material slurry in cavity, form the seamless waterproof layer of flexible sealing;
S12: base pit dewatering equipment Removal, while using the ground water pressure force inspecting to go up using the flexible sealing of contrary sequence method The waterproof effect of seamless waterproof layer;
S13: ne-leakage is delivered.
According to an embodiment of the present invention, it when the building foundation pit bottom is equipped with pile foundation, needs to pre-process node, Step includes:
(1) pile crown and the part pile body of the downward 500mm of pile crown are cleared up after foundation pit pile crown broken pile;
(2) transition processing is carried out using composite self-adhering flat drainage plate, can guarantees the composite, water-drain being arranged on bed course Plate and pile body form the waterproof sealing system of an entirety;
Specifically, composite self-adhering flat drainage plate is welded to by pile body using hot gas welding connection, at the same by it is described it is compound from Viscous flat drainage plate is welded as a whole with the composite water draining board on the upside of the bed course;
Wherein, the pile body of the downward 100mm of the pile crown and composite self-adhering flat drainage plate use missing solder mode, while in sky Position is welded to fill using sealant;And it is welded in the pile body part below the pile crown 100mm using real weldering mode.
According to an embodiment of the present invention, when the flexible waterproof material slurry is constructed, by the way of subregion construction.
According to an embodiment of the present invention, it is led into the reserved cavity between concrete structure basis and composite water draining board When entering flexible waterproof material slurry, by the way of gradually being promoted to another side since concrete structure basis is on one side.
According to an embodiment of the present invention, into the reserved cavity between concrete structure shear wall and composite water draining board Import flexible waterproof material slurry when, using from concrete shear force wall from bottom to top and horizontal direction simultaneously promote by the way of.
According to an embodiment of the present invention, in the S03, the height that the built-in type leads slurry pipe is greater than concrete knot The thickness on structure basis.
According to an embodiment of the present invention, after the completion of the S03, base plate of foundation pit protection superimposed layer, the base are poured Hole base plate protection superimposed layer is set between the composite water draining board and concrete structure basis.
According to an embodiment of the present invention, base plate of foundation pit protection superimposed layer with a thickness of 20mm -100mm.
According to an embodiment of the present invention, base plate of foundation pit protection superimposed layer with a thickness of 30mm.
As shown from the above technical solution, the present invention has at least one of following advantages and good effect:
The seamless flexible water construction technology of contrary sequence method of the present invention is not influenced by ambient temperature, and speed of application is fast, pole The earth shortens construction period.Due to using flexible seamless construction so seam problems are not present, while under pressure Crack and the defect seal leakage problem that concrete structure can be repaired achieve the purpose that once to construct lifelong carefree.
Using the seamless flexible water construction technology of contrary sequence method of the present invention, so that building structure waterproof performance safely may be used It leans on, it is ensured that with building structure with the protection purpose in service life, while also having achieved the purpose that reduce investment outlay.
The seamless flexible water construction technology of contrary sequence method of the present invention and obvious technical effects, according to multiple repair capsules Case and for many years return visit.The technical security is reliable, reaches primary construction, and lifelong leak-free effect is preferably widelyd popularize, market prospects It is wide.
Detailed description of the invention
Fig. 1 is the foundation pit cross-section structure signal using the seamless flexible water construction technology building of contrary sequence method of the present invention Figure.
The reference numerals are as follows:
1- bed course;
2- composite water draining board;
The seamless waterproof layer of 3- flexible sealing;
4- concrete structure basis;
41- concrete structure shear wall;
5- built-in type leads slurry pipe;
6- rear-loading type leads slurry pipe;
7- backfill;
100- foundation pit periphery soil layer.
Specific embodiment
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term "inner", The orientation or state relation of the instructions such as "upper", "lower" are orientation based on the figure or state relation, are merely for convenience of retouching It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific Orientation construction and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected;It can be machine Tool connection, is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention is understood as the case may be.
With reference to the accompanying drawing and specific embodiment invention is further described in detail.
Referring to Fig. 1, Fig. 1 is the foundation pit section using the seamless flexible water construction technology building of contrary sequence method of the present invention Structural schematic diagram.
The seamless flexible water construction technology of a kind of contrary sequence method of the present invention, comprising the following steps:
S01: the smooth, compacting by the element soil of building foundation pit bottom forms bed course 1.It should be noted that the building foundation pit When bottom is equipped with pile foundation, need to pre-process node.
Further, the node pre-treatment step includes:
(1) pile crown and the part pile body of the downward 500mm of pile crown are cleared up after foundation pit pile crown broken pile;
(2) transition processing is carried out using composite self-adhering flat drainage plate, can guarantees the composite, water-drain being arranged on bed course Plate and pile body form the waterproof sealing system of an entirety;
Specifically, composite self-adhering flat drainage plate is welded to by pile body using hot gas welding connection, at the same by it is described it is compound from Viscous flat drainage plate is welded as a whole with the composite water draining board on the upside of the bed course;
Wherein, the pile body of the downward 100mm of the pile crown and composite self-adhering flat drainage plate use missing solder mode, while in sky Position is welded to fill using sealant;And it is welded in the pile body part below the pile crown 100mm using real weldering mode.
S02: composite water draining board 2 is laid on the bed course 1;
S03: installation built-in type leads slurry pipe 5;
Wherein, the built-in type leads the bottom end of slurry pipe 5 and the composite water draining board 2 is connected and leads slurry in the built-in type The bottom end of pipe 5 is equipped with and leads slurry mouth.Wherein, the height that the built-in type leads slurry pipe 5 is greater than the thickness on concrete structure basis 4.
S04: it is laid with the reinforcing steel bar shelf on concrete structure basis 4;
Wherein, the reinforcing steel bar shelf be mounted on the upside of the composite water draining board 2, the reinforcing steel bar shelf with it is described compound Reserved cavity is formed between drain bar 2;It is poured around the reinforcing steel bar shelf by installation concrete structure foundation forms formation Cavity;
S05: it is described pour in cavity carry out concrete structure basis 4 pour;
S06: it sets up the concrete structure shear wall formwork of foundation pit side, be laid with reinforcing steel bar shelf, while in adjacent reinforcing bar It is provided with removable lacing wire anchor pole between frame body, pours the concrete structure shear wall 41 of foundation pit side;
S07: after the concrete structure shear wall 41 solidification, the concrete structure shear wall formwork is removed;
S08: removable lacing wire anchor pole in the concrete structure shear wall 41 is removed, hole location is formed simultaneously, in corresponding hole Position setting rear-loading type leads slurry pipe 6;
S09: composite water draining board 2, the composite water draining board 2 are installed in 41 lateral surface of concrete structure shear wall and mixed Reserved cavity is formed between Xtah Crude Clay structure shear wall 41;The composite water draining board 2 and the outer end that the rear-loading type leads slurry pipe 6 are solid Even.Equally, it is equipped in the outer end that the rear-loading type leads slurry pipe 6 and leads slurry mouth.
S10: foundation pit surrounding ash earthen backfill.
Specifically, the outside of composite water draining board 2 and foundation pit periphery soil layer 100 of 41 surrounding of concrete structure shear wall it Between using backfill 7 backfill.The composition of the backfill 7 is ash and soil, weight part ratio 2:8.
S11: when building structure main body construction to 2-3 layers or 4-5 layers or after the completion, by built-in type lead slurry pipe 5, after Dress formula leads slurry pipe 6 and imports flexible waterproof material slurry into reserved cavity, forms the seamless waterproof layer 3 of flexible sealing.
When the flexible waterproof material slurry is constructed, by the way of subregion construction.Specifically:
When importing flexible waterproof material slurry into the reserved cavity between concrete structure basis 4 and composite water draining board 2, By the way of gradually being promoted to another side since concrete structure basis 4 is on one side.
Flexible waterproof material slurry is imported into the reserved cavity between concrete structure shear wall 41 and composite water draining board 2 When, using from concrete shear force wall 41 from bottom to top and horizontal direction simultaneously promote by the way of.
S12: base pit dewatering equipment Removal, while using the ground water pressure force inspecting to go up using the flexible sealing of contrary sequence method The waterproof effect of seamless waterproof layer 3.
S13: ne-leakage is delivered.
It should be noted that pouring base plate of foundation pit protection superimposed layer, the base plate of foundation pit protection after the completion of S03 Superimposed layer is set between the composite water draining board and concrete structure basis.Further, the base plate of foundation pit protection superposition Layer with a thickness of 30mm.The base plate of foundation pit protection superimposed layer can improve the stability of building structure, especially to flour sand soil property Foundation pit is highly beneficial.Certainly, in a kind of seamless flexible water construction technology of contrary sequence method of the present invention, the base plate of foundation pit is protected Shield superimposed layer is constructed according to the actual situation, and small sized multiple story building can not use base plate of foundation pit protection superposition according to design requirement Layer.
In conclusion the seamless flexible water construction technology of a kind of contrary sequence method of the present invention is not influenced by ambient temperature, Speed of application is fast, highly shortened construction period.Due to constructing using flexibility is seamless so seam problems are not present, simultaneously It is lifelong carefree to reach primary construction for crack and the defect seal leakage problem that concrete structure can be repaired under pressure Purpose.
It should be appreciated that the present invention is not limited in its application to detailed construction and the arrangement side of component proposed in this paper Formula.The present invention can have other embodiments, and can realize and execute in many ways.Aforesaid deformation form and modification Form is fallen within the scope of the present invention.It should be appreciated that invention disclosed and defined herein extends in text and/or attached drawing In mention or all alternative combinations of two or more apparent independent features.Embodiment as described herein illustrates Know for realizing best mode of the invention, and those skilled in the art will be enable using the present invention.

Claims (9)

1. a kind of seamless flexible water construction technology of contrary sequence method, which is characterized in that at least include the following steps:
S01: the smooth, compacting by the element soil of building foundation pit bottom forms bed course;
S02: composite water draining board is laid on the bed course;
S03: installation built-in type leads slurry pipe;
Wherein, the built-in type leads the bottom end of slurry pipe and the composite water draining board is connected and leads the bottom of slurry pipe in the built-in type End is equipped with and leads slurry mouth;
S04: it is laid with the reinforcing steel bar shelf on concrete structure basis;
Wherein, the reinforcing steel bar shelf is mounted on the upside of the composite water draining board, the reinforcing steel bar shelf and the composite, water-drain Reserved cavity is formed between plate;Cavity is poured by installation concrete structure foundation forms formation around the reinforcing steel bar shelf;
S05: it is described pour in cavity carry out concrete structure basis pour;
S06: set up foundation pit side concrete structure shear wall formwork, be laid with reinforcing steel bar shelf, while adjacent reinforcing steel bar shelf it Between be provided with removable lacing wire anchor pole, pour foundation pit side concrete structure shear wall;
S07: after concrete structure shear wall solidification, the concrete structure shear wall formwork is removed;
S08: removing removable lacing wire anchor pole in the concrete structure shear wall, and in corresponding position, setting rear-loading type leads slurry pipe;
S09: composite water draining board, the composite water draining board and concrete structure are installed in the concrete structure shear wall lateral surface Reserved cavity is formed between shear wall;The outer end that the composite water draining board and the rear-loading type lead slurry pipe is connected, equally, described The outer end that rear-loading type leads slurry pipe, which is equipped with, leads slurry mouth;
S10: foundation pit surrounding ash earthen backfill;
S11: when the main body construction of building structure or after the completion, slurry pipe is led by built-in type, rear-loading type leads slurry pipe to reserved chamber Flexible waterproof material slurry is imported in vivo, forms the seamless waterproof layer of flexible sealing;
S12: base pit dewatering equipment Removal, while using the ground water pressure force inspecting of rise using the flexible sealing of contrary sequence method without connecing Stitch the waterproof effect of waterproof layer;
S13: ne-leakage is delivered.
2. the seamless flexible water construction technology of a kind of contrary sequence method according to claim 1, which is characterized in that the building When bottom of foundation ditch is equipped with pile foundation, need to pre-process node;
The node pre-treatment step includes:
(1) pile crown and the part pile body of the downward 500mm of pile crown are cleared up after foundation pit pile crown broken pile;
(2) using composite self-adhering flat drainage plate carry out transition processing, can guarantee the composite water draining board being arranged on bed course with Pile body forms the waterproof sealing system of an entirety;
Specifically, composite self-adhering flat drainage plate is welded to by pile body using hot gas welding connection, while the composite self-adhering is put down Face drain bar is welded as a whole with the composite water draining board on the upside of the bed course;
Wherein, the pile body of the downward 100mm of the pile crown and composite self-adhering flat drainage plate use missing solder mode, while in missing solder portion It is filled using sealant position;And it is welded in the pile body part below the pile crown 100mm using real weldering mode.
3. the seamless flexible water construction technology of a kind of contrary sequence method according to claim 1, which is characterized in that the flexibility When waterproof material slurry is constructed, by the way of subregion construction.
4. the seamless flexible water construction technology of a kind of contrary sequence method according to claim 3, which is characterized in that concrete When importing flexible waterproof material slurry in reserved cavity between structure basis and composite water draining board, using from concrete structure base Plinth starts the mode gradually promoted to another side on one side.
5. the seamless flexible water construction technology of a kind of contrary sequence method according to claim 3, which is characterized in that concrete When importing flexible waterproof material slurry in reserved cavity between structural shear wall and composite water draining board, using from concrete shear Wall from bottom to top and horizontal direction simultaneously promote mode.
6. the seamless flexible water construction technology of a kind of contrary sequence method according to claim 1, which is characterized in that described In S03, the height that the built-in type leads slurry pipe is greater than the thickness on concrete structure basis.
7. the seamless flexible water construction technology of a kind of contrary sequence method according to claim 1, which is characterized in that described After the completion of S03, pour base plate of foundation pit protection superimposed layer, base plate of foundation pit protection superimposed layer be set to the composite water draining board with Between concrete structure basis.
8. the seamless flexible water construction technology of a kind of contrary sequence method according to claim 7, which is characterized in that the foundation pit Base plate protection superimposed layer with a thickness of 20mm -100mm.
9. the seamless flexible water construction technology of a kind of contrary sequence method according to claim 8, which is characterized in that the foundation pit Base plate protection superimposed layer with a thickness of 30mm.
CN201710682750.5A 2017-08-10 2017-08-10 A kind of seamless flexible water construction technology of contrary sequence method Active CN107288141B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110439014B (en) * 2019-07-26 2021-04-06 中国核工业华兴建设有限公司 Underground layered drainage structure and construction method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09242080A (en) * 1996-03-12 1997-09-16 Fujita Corp Construction method of water cut-off in water area cofferdam work
CN104963364A (en) * 2015-07-21 2015-10-07 天津三建建筑工程有限公司 Disposing method for topdown structural slab lower side wall construction joint

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09242080A (en) * 1996-03-12 1997-09-16 Fujita Corp Construction method of water cut-off in water area cofferdam work
CN104963364A (en) * 2015-07-21 2015-10-07 天津三建建筑工程有限公司 Disposing method for topdown structural slab lower side wall construction joint

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