CN108277829A - A kind of floor structure and its construction method with drain hole - Google Patents

A kind of floor structure and its construction method with drain hole Download PDF

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Publication number
CN108277829A
CN108277829A CN201810255412.8A CN201810255412A CN108277829A CN 108277829 A CN108277829 A CN 108277829A CN 201810255412 A CN201810255412 A CN 201810255412A CN 108277829 A CN108277829 A CN 108277829A
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CN
China
Prior art keywords
drain hole
plate
valve
floor structure
water
Prior art date
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Pending
Application number
CN201810255412.8A
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Chinese (zh)
Inventor
马舜
胡骏
陆金海
周小涵
陈涛
张明
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.)
China Railway Major Bridge Reconnaissance and Design Institute Co Ltd
Original Assignee
China Railway Major Bridge Reconnaissance and Design Institute 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 China Railway Major Bridge Reconnaissance and Design Institute Co Ltd filed Critical China Railway Major Bridge Reconnaissance and Design Institute Co Ltd
Priority to CN201810255412.8A priority Critical patent/CN108277829A/en
Publication of CN108277829A publication Critical patent/CN108277829A/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

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

Abstract

The invention discloses a kind of floor structure and its construction method with drain hole, including:Flanged plate for installing connection;The concrete substrate above flanged plate is poured, drain hole template is internally provided with, drain hole is offered on the inside of drain hole template, detachably strainer is provided with inside drain hole;The waterproof layer being laid between flanged plate and concrete substrate;It is installed on inside drain hole, the valve module that controllable drain hole is opened or is closed.Underground water in the present invention during underground construction can pass through drain hole pressure release, in subsequent construction, after basement top-out weight and other measure of anti float reach design requirement, secondary pour is carried out to drain hole again to be closed, the reinforcing bar in sole plate will not be destroyed, and position that can be according to design steel bar arrangement drain hole and size, reinforcing bar binding is not influenced, it has been effectively ensured the stress of structure, waterproof layer, water-stop glue and has laid one's hand on the use of plate and rubber seal ring flat-plate and ensure that the waterproof effect of structure.

Description

A kind of floor structure and its construction method with drain hole
Technical field
The present invention relates to Construction Technique of Underground Works field, it is specifically related to a kind of floor structure with drain hole and its applies Work method.
Background technology
With the progress of urban construction and the fast development of rail traffic, construction work gradually extends to underground, and underground Most basic in engineering construction, most common construction method --- cut and cover method be it is a kind of first ground is excavated, repairing in the open Then building lining covers the construction method of backfill again, when sole plate absolute altitude is less than region water level elevation, sole plate In the construction process, drain hole on sole plate therefore can be often set by the buoyancy of underground water, prevent from being constructed Structure caused by when dead load is insufficiently resistant to buoyancy force of underground water integrally floats, and the setting of traditional drain hole can bring following ask Topic:First, the reinforcing bar in sole plate may be truncated, and need to carry out secondary connection;Secondly, it is sealed to sole plate When hole pours, it is difficult to control the influence of water burst under sole plate and causes pouring quality bad;In addition, drain hole is to sole plate Waterproof layer also have destruction.Therefore in order to which the influence of construction stage drain hole to be preferably minimized, there is an urgent need for one kind not destroying basis Baseplate reinforcing bar ensures that concrete pouring quality can meet the floor structure with drain hole and its construction of waterproof quality requirement simultaneously Method.
Invention content
The purpose of the invention is to overcome the shortcomings of above-mentioned background technology, one kind is provided and do not destroy baseplate reinforcing bar, ensure The floor structure and its construction method with drain hole of waterproof quality can be met while concrete pouring quality.
The present invention provides a kind of floor structure with drain hole, including:
Flanged plate;
The concrete substrate above the flanged plate is poured, drain hole template is internally provided with, in the drain hole Drain hole is offered on the inside of template, the drain hole upper and lower ends penetrate concrete substrate, are detachably provided with inside drain hole Strainer;
The waterproof layer being laid between the flanged plate and concrete substrate;
It is installed on inside the drain hole, the valve module that controllable drain hole is opened or is closed.
Based on the above technical solution, the drain hole is up big and down small stepped hole, is arranged in ladder plane There is water-stop glue.
Based on the above technical solution, the cross-sectional shape of the flanged plate is polygon, and cross-section lengths are big In drain hole base diameter.
Further, the valve module includes the water valve for being set to drain hole bottom, protrudes from the valve handle outside drain hole Hand, and connect the valve lever of the water valve and valve handle.
Further, it is also respectively provided at drain hole interior location between the flanged plate and waterproof layer and lays one's hand on plate and rubber Ring flat-plate is sealed, the water valve passes through flanged plate and rubber seal ring flat-plate to be arranged, and the plate of laying one's hand on is arranged around water valve.
Further, described lay one's hand on is bolted between plate, rubber seal ring flat-plate and flanged plate.
Further, the rebar surface exposed in the drain hole is coated with waterproofing agent.
Further, secondary in the drain hole to pour expansive concrete.
The present invention also provides a kind of construction methods using the above-mentioned floor structure with drain hole, include the following steps:
S1, mounting flange plate and drain hole template;
S2, the part poured on the outside of the drain hole template form the concrete substrate with drain hole;
S3, rubber seal ring flat-plate is installed respectively above flanged plate, lays one's hand on plate, valve module;
S4, strainer is installed inside drain hole;
S5, water valve progress underground engineering construction is opened;
After S6, underground engineering construction, water valve is closed, extracts valve lever out, removes strainer, dabbing drain hole hole wall;
S7, water-stop glue is set in the ladder plane of drain hole, waterproof layer is laid between flanged plate and concrete substrate;
S8, impurity after-pouring expansive concrete in drain hole is removed, realizes bottom plate closing.
Compared with prior art, advantages of the present invention is as follows:
(1) present invention plays the role of the construction of the drain hole of sluicing suitable for the construction stage, pours drain hole template first The part in outside forms the concrete substrate with drain hole, the underground water during underground construction can by drain hole pressure release, In subsequent construction, after basement top-out weight and other measure of anti float reach design requirement, then two are carried out to drain hole Secondary pour is closed, and will not destroy the reinforcing bar in sole plate, and can according to the position of design steel bar arrangement drain hole and Size does not influence reinforcing bar binding, the stress of structure has been effectively ensured.
(2) present invention is internally provided with strainer in drain hole, can prevent from occurring gushing sand phenomenon in work progress.
(3) present invention uses step-by-step construction waterproof slab structure, and waterproof layer is laid between flanged plate and concrete substrate, It is provided with water-stop glue in the ladder plane of drain hole, is also respectively set at drain hole interior location between flanged plate and waterproof layer Plate and rubber seal ring flat-plate are laid one's hand on, has certain waterproof effect, and drain hole uses up big and down small stepped hole, pours twice Bonded area between the concrete built is larger, so that the water inlet circuit of bottom plate is increased significantly, increases into water difficulty, bottom plate is made to exist Secondary water-tight, impermeable, good water-proof effect after pouring closing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Reference numeral:1-flanged plate, 2-concrete substrates, 21-drain hole templates, 22-drain holes, 3-waterproof layers, 4-valve modules, 41-water valves, 42-valve handles, 43-valve levers, 5-lay one's hand on plate, 6-rubber seal ring flat-plates.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of floor structure with drain hole, including:
Flanged plate 1;
The concrete substrate 2 above the flanged plate 1 is poured, drain hole template 21 is internally provided with, is let out described The inside of water hole template 21 offers drain hole 22, and 22 upper and lower ends of the drain hole penetrate concrete substrate 2, inside drain hole 22 Detachably it is provided with strainer;
The waterproof layer 3 being laid between the flanged plate 1 and concrete substrate 2;
It is installed on inside the drain hole 22, the valve module 4 that controllable drain hole 22 is opened or is closed.
The construction that the present invention is suitable for the construction stage playing the role of the drain hole of sluicing, pours first outside drain hole template 21 The part of side forms the concrete substrate 2 with drain hole 22, and the underground water during underground construction can be let out by drain hole 22 Pressure, in subsequent construction, after basement top-out weight and other measure of anti float reach design requirement, then to drain hole 22 into Secondary pour of row is closed, and will not destroy the reinforcing bar in sole plate, and can be according to design steel bar arrangement drain hole 22 Position and size do not influence reinforcing bar binding, the stress of structure have been effectively ensured, drain hole 22 is internally provided with strainer, can prevent Occur gushing sand phenomenon in work progress.
In the present embodiment, it is preferred that the drain hole 22 is up big and down small stepped hole, is provided in ladder plane Water-stop glue, drain hole 22 use up big and down small stepped hole, and the bonded area between the concrete of two-step pouring is larger, makes bottom plate Water inlet circuit increase significantly, increase into water difficulty, make bottom plate it is secondary pour closing after it is water-tight, impermeable, waterproof effect Fruit is good, and water-stop glue water-swellable can realize the purpose of sealing, can make up due in 22 ladder plane of drain hole when casting concrete Gap is generated, the situation of ponding is caused.
In the present embodiment, it is preferred that the cross-sectional shape of the flanged plate 1 is polygon, and cross-section lengths are more than 22 base diameter of drain hole, specifically, the cross-sectional shape of flanged plate 1 can be common rectangle, diamond shape, trapezoidal etc., length More than 22 base diameter 10cm of drain hole.
In the present embodiment, it is preferred that the valve module 4 includes the water valve 41 for being set to 22 bottom of drain hole, is protruded from Valve handle 42 outside drain hole 22, and the valve lever 43 of the water valve 41 and valve handle 42 is connected, pass through valve handle 42 drive 43 water adjusting valve 41 of valve lever control drain holes 22 being opened or being closed, and in underground construction engineering, open water valve 41, just Pressure release is discharged in underground water;After the completion of underground construction, water valve 41 is closed, it is secondary to pour drain hole 22, ensure pouring for sole plate Build quality.
In the present embodiment, it is preferred that also divide at 22 interior location of drain hole between the flanged plate 1 and waterproof layer 3 It is not provided with and lays one's hand on plate 5 and rubber seal ring flat-plate 6, the water valve 41 passes through flanged plate 1 and rubber seal ring flat-plate 6 to be arranged, described to lay one's hand on Plate 5 is arranged around water valve 41, and plate 5 is laid one's hand in setting can fix the position of water valve 41, and rubber seal ring flat-plate 6 further strengthens drain hole 22 leakproofness enhances its waterproof effect.
In the present embodiment, it is preferred that described lay one's hand on is bolted between plate 5, rubber seal ring flat-plate 6 and flanged plate 1; Further, the rebar surface exposed in the drain hole 22 is coated with waterproofing agent;Further, secondary in drain hole 22 to pour compensation Shrinkage concrete.
The present invention uses step-by-step construction waterproof slab structure, and waterproof layer 3 is laid between flanged plate 1 and concrete substrate 2, It is provided with water-stop glue in the ladder plane of drain hole 22, also divides at 22 interior location of drain hole between flanged plate 1 and waterproof layer 3 It is not provided with and lays one's hand on plate 5 and rubber seal ring flat-plate 6, have certain waterproof effect, and drain hole uses up big and down small ladder Hole, the bonded area between the concrete of two-step pouring is larger, so that the water inlet circuit of bottom plate is increased significantly, increases into shipwreck Degree makes bottom plate in secondary water-tight, impermeable, good water-proof effect after pouring closing.Expansive concrete refers in concrete The middle concrete for mixing appropriate swelling agent or being prepared with expanding cement is established centainly under restrictive condition in concrete Prestressing force improves the internal stress state of concrete, to improve their anti-crack ability, during hardening of cement, Expansion crystallographic body (such as entringite) plays the role of filling, cut-out capillary slit, and macropore is made to become aperture, and overall porosity is reduced, to The pore structure for improving concrete improves their permeability resistance and mechanical property.
The embodiment of the present invention also provides a kind of construction method using the above-mentioned floor structure with drain hole, including following step Suddenly:
S1, mounting flange plate 1 and drain hole template 21;
S2, the part for pouring 21 outside of the drain hole template form the concrete substrate 2 with drain hole 22;
S3, rubber seal ring flat-plate 6 is installed respectively above flanged plate 1, lays one's hand on plate 5, valve module 4;
S4, strainer is installed inside drain hole 22;
S5, the progress underground engineering construction of water valve 41 is opened;
After S6, underground engineering construction, water valve 41 is closed, extracts valve lever 43 out, removes strainer, 22 hole of dabbing drain hole Wall;
S7, water-stop glue is set in the ladder plane of drain hole 22, is laid between flanged plate 1 and concrete substrate 2 anti- Water layer 3;
S8, impurity after-pouring expansive concrete in drain hole is removed, realizes bottom plate closing.
Using above-mentioned construction method, the anti-floating sluicing that can meet the subway station construction stage requires, can in the construction stage Baseplate reinforcing bar is not cut off, the pouring quality of concrete when can guarantee drain hole sealing of hole is conducive to structure stress, and strainer is provided with Prevent bottom plate from gushing sand to effect, all kinds of waterproof constructions are provided with good waterproof effect.
Those skilled in the art can be carry out various modifications to the embodiment of the present invention and modification, if these modifications and change For type within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention Within.
The prior art that the content not being described in detail in specification is known to the skilled person.

Claims (9)

1. a kind of floor structure with drain hole, which is characterized in that including:
Flanged plate (1);
The concrete substrate (2) above the flanged plate (1) is poured, the concrete substrate (2) is internally provided with drain hole Template (21) offers drain hole (22) on the inside of the drain hole template (21), and drain hole (22) upper and lower ends penetrate Concrete substrate (2), drain hole (22) is internal to be detachably provided with strainer;
The waterproof layer (3) being laid between the flanged plate (1) and concrete substrate (2);
It is installed on the valve module (4) that the drain hole (22) is internal, and controllable drain hole (22) is opened or is closed.
2. a kind of floor structure with drain hole as described in claim 1, it is characterised in that:The drain hole (22) is upper big Under small stepped hole, be provided with water-stop glue in ladder plane.
3. a kind of floor structure with drain hole as described in claim 1, it is characterised in that:The flanged plate (1) it is transversal Face shape is polygon, and cross-section lengths are more than drain hole (22) base diameter.
4. a kind of floor structure with drain hole as described in claim 1, it is characterised in that:The valve module (4) includes setting It is placed in the water valve (41) of drain hole (22) bottom, protrudes from the external valve handle (42) of drain hole (22), and the connection water The valve lever (43) of valve (41) and valve handle (42).
5. a kind of floor structure with drain hole as claimed in claim 4, it is characterised in that:The flanged plate (1) and waterproof It is also respectively provided at drain hole (22) interior location between layer (3) and lays one's hand on plate (5) and rubber seal ring flat-plate (6), the water valve (41) flanged plate (1) and rubber seal ring flat-plate (6) is passed through to be arranged, the plate (5) of laying one's hand on is arranged around water valve (41).
6. a kind of floor structure with drain hole as claimed in claim 5, it is characterised in that:It is described to lay one's hand on plate (5), rubber seal It is bolted between ring flat-plate (6) and flanged plate (1).
7. a kind of floor structure with drain hole as described in claim 1, it is characterised in that:Expose in the drain hole (22) Rebar surface be coated with waterproofing agent.
8. a kind of floor structure with drain hole as described in claim 1, it is characterised in that:It is secondary in the drain hole (22) Pour expansive concrete.
9. using a kind of construction method of the floor structure with drain hole as described in any of the claims 1 to 8, feature exists In including the following steps:
S1, mounting flange plate (1) and drain hole template (21);
S2, the part poured on the outside of the drain hole template (21) form the concrete substrate (2) with drain hole (22);
S3, rubber seal ring flat-plate (6) is installed respectively above flanged plate (1), lays one's hand on plate (5), valve module (4);
S4, strainer is installed inside drain hole (22);
S5, water valve (41) progress underground engineering construction is opened;
After S6, underground engineering construction, water valve (41) is closed, extraction valve lever (43) removes strainer, dabbing drain hole (22) Hole wall;
S7, water-stop glue is set in the ladder plane of drain hole (22), is laid between flanged plate (1) and concrete substrate (2) Waterproof layer (3);
S8, impurity after-pouring expansive concrete in drain hole is removed, realizes bottom plate closing.
CN201810255412.8A 2018-03-23 2018-03-23 A kind of floor structure and its construction method with drain hole Pending CN108277829A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810255412.8A CN108277829A (en) 2018-03-23 2018-03-23 A kind of floor structure and its construction method with drain hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810255412.8A CN108277829A (en) 2018-03-23 2018-03-23 A kind of floor structure and its construction method with drain hole

Publications (1)

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CN108277829A true CN108277829A (en) 2018-07-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110206339A (en) * 2019-06-14 2019-09-06 北京翔鲲水务建设有限公司 A kind of push pipe passes through construction method of underground continuous wall
CN113152619A (en) * 2021-03-09 2021-07-23 周洪涛 Underground water diversion and drainage structure in concrete pouring process and construction method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103806473A (en) * 2014-03-12 2014-05-21 中国建筑西南勘察设计研究院有限公司 Water release and pressure relief anti-floating structure
CN204343342U (en) * 2014-12-10 2015-05-20 奥意建筑工程设计有限公司 A kind of basement floor constructions with spilled water hole
CN205116234U (en) * 2015-10-14 2016-03-30 中建八局第三建设有限公司 Bottom plate pressure relief device
CN105625481A (en) * 2016-03-21 2016-06-01 上海长凯岩土工程有限公司 Construction method for drainage holes for underground constructions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103806473A (en) * 2014-03-12 2014-05-21 中国建筑西南勘察设计研究院有限公司 Water release and pressure relief anti-floating structure
CN204343342U (en) * 2014-12-10 2015-05-20 奥意建筑工程设计有限公司 A kind of basement floor constructions with spilled water hole
CN205116234U (en) * 2015-10-14 2016-03-30 中建八局第三建设有限公司 Bottom plate pressure relief device
CN105625481A (en) * 2016-03-21 2016-06-01 上海长凯岩土工程有限公司 Construction method for drainage holes for underground constructions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110206339A (en) * 2019-06-14 2019-09-06 北京翔鲲水务建设有限公司 A kind of push pipe passes through construction method of underground continuous wall
CN113152619A (en) * 2021-03-09 2021-07-23 周洪涛 Underground water diversion and drainage structure in concrete pouring process and construction method thereof

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Application publication date: 20180713

RJ01 Rejection of invention patent application after publication