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 PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- drain hole
- plate
- valve
- floor structure
- water
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective 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
Landscapes
- 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
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.
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)
Publication Number | Publication Date |
---|---|
CN108277829A true CN108277829A (en) | 2018-07-13 |
Family
ID=62810300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810255412.8A Pending CN108277829A (en) | 2018-03-23 | 2018-03-23 | A kind of floor structure and its construction method with drain hole |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108277829A (en) |
Cited By (2)
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)
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 |
-
2018
- 2018-03-23 CN CN201810255412.8A patent/CN108277829A/en active Pending
Patent Citations (4)
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)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103410175B (en) | A kind of water seepage control construction method for karst water-rich geological underground structure waterproof construction | |
CN106320353B (en) | A kind of construction method of basement construction Yield rainfall relation device | |
RU2011134016A (en) | WATERED FABRIC | |
CN105421497B (en) | The waterproof construction method of sole plate and ground wall connecting node in combined fender construction system | |
CN209339169U (en) | A kind of precipitation well in foundation pit plugging device | |
CN104179156B (en) | Box-type suction foundation sluice structure and enclose low bank between fields and close up the construction method of mouth | |
CN108277829A (en) | A kind of floor structure and its construction method with drain hole | |
CN108301466A (en) | Integral prefabricated caisson of toilet and caisson of toilet construction and its construction method | |
CN110318543A (en) | The building construction method that integration pours | |
CN104652495B (en) | Internal support of foundation pit column and base plate node waterproof construction technology | |
CN106948502A (en) | A kind of water-proof top cover and its construction method | |
CN106149877B (en) | Concrete frame structure prefabricated post and the docking structure and method at beam slab node | |
CN107700440A (en) | A kind of diversion tunnel concrete plug and its construction method | |
KR101996133B1 (en) | Top topping construction method of underground tunnel structure | |
CN109024640A (en) | One kind closing water valve device, shut-in well structure and its construction method | |
CN205714221U (en) | A kind of Tunnel Second Lining vault is owed to dig place's teeming building structure | |
CN206385557U (en) | The water-impervious plugging mechanism of dewatering well on deep basal pit raft plate | |
CN105862894B (en) | A kind of installation method of catch pit anti-floating integral mold plate | |
CN106049667A (en) | Unilateral supporting formwork basement outer wall with flexible waterproof layer outer formwork | |
CN207812699U (en) | A kind of waterproof construction on toilet doorway | |
CN206457835U (en) | A kind of open caisson | |
CN109653223A (en) | River anti-floating weighting board construction method | |
CN106400858B (en) | A kind of rectifying of leaned building technology | |
CN106759519A (en) | A kind of post-cast strip Novel drainage discharge structure and its construction method | |
CN210658405U (en) | Wall-separated drainage structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180713 |
|
RJ01 | Rejection of invention patent application after publication |