CN113073684B - Drainage construction method for basement bottom plate - Google Patents
Drainage construction method for basement bottom plate Download PDFInfo
- Publication number
- CN113073684B CN113073684B CN202110288251.4A CN202110288251A CN113073684B CN 113073684 B CN113073684 B CN 113073684B CN 202110288251 A CN202110288251 A CN 202110288251A CN 113073684 B CN113073684 B CN 113073684B
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- Prior art keywords
- drainage
- bottom plate
- basement bottom
- construction method
- basement
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/08—Restraining of underground water by employing open ditches arranged below the level of the water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a drainage construction method of a basement bottom plate, which comprises the following steps: constructing a basement bottom plate in the foundation pit; constructing blind grooves downwards along the upper surface of the basement bottom plate, wherein the blind grooves comprise buried grooves of a flat section and drainage grooves of inclined plane sections at two sides of the buried grooves; laying a drainage tube in the buried groove; laying water storage and drainage plates on the basement bottom plate along two sides of the drainage tube, wherein each water storage and drainage plate covers the drainage groove and is erected above the drainage tube; and laying a prefabricated drainage ditch above the drainage pipe through a mortar layer or a concrete layer. The invention can improve the construction efficiency of basement bottom plate waterproof engineering, shorten the construction period and reduce the construction difficulty.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a drainage construction method of a basement bottom plate.
Background
For basement buildings with large foundation pit depth and high underground water level, the water resistance of the basement bottom plate is an important link of basement water resistance. At present, most basement bottom plates adopt a dredging and preventing combination mode, namely, before the construction of a basement bottom plate building surface layer, a waterproof coating layer is firstly brushed to prevent water, and then a water storage and drainage plate is paved on the waterproof coating layer to drain water. Through pour the construction escape canal on site on the basement bottom plate and reserve the wash port on the escape canal, guarantee to hold the water in the drain bar and flow to within the escape canal through the drainage hole of escape canal, then discharge in the sump pit. The drainage ditch has the defects that the drainage ditch can only be realized by pouring the drainage ditch in situ due to the need of arranging the drainage holes, so that the construction period is long, and the construction progress is influenced. In addition, when the drainage ditch is cast in situ, a drainage hole needs to be arranged through mould hanging construction, so that the construction difficulty and complexity are increased. And because the prefabricated drainage ditch can not set up the wash port according to the construction environment needs, consequently can not direct application.
Disclosure of Invention
The invention aims to solve the technical problems of long construction period, high construction difficulty and low construction efficiency by providing a drainage construction method of a basement bottom plate.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a drainage construction method of a basement bottom plate comprises the following steps:
constructing a basement bottom plate in the foundation pit;
constructing blind grooves downwards along the upper surface of the basement bottom plate, wherein the blind grooves comprise buried grooves of flat sections and drainage grooves located in inclined plane sections on two sides of the buried grooves;
laying a drainage tube in the buried groove;
laying water storage and drainage plates on the basement bottom plate along two sides of the drainage tube, wherein each water storage and drainage plate covers the drainage groove and is erected above the drainage tube;
and laying a prefabricated drainage ditch above the drainage pipe through a mortar layer or a concrete layer.
Further, the drainage construction method of the basement bottom plate provided by the invention further comprises the following steps:
and covering a cover plate of the prefabricated drainage ditch, and constructing a building surface layer on the basement bottom plate.
Furthermore, according to the drainage construction method of the basement bottom plate, the elevation of the upper surface of the building surface layer is larger than or equal to the elevation of the upper surface of the prefabricated drainage ditch.
Further, the drainage construction method of the basement bottom plate provided by the invention is characterized in that a cushion layer is constructed in the foundation pit before the basement bottom plate is constructed.
Further, in the drainage construction method of the basement bottom plate, the drainage pipe is a non-metal pipe.
Further, according to the drainage construction method of the basement bottom plate, the nonmetal pipes are PVC pipes.
Further, according to the drainage construction method of the basement bottom plate, the diameter of the drainage pipe is 15-30mm.
Further, according to the drainage construction method of the basement bottom plate, the length of the drainage pipe is smaller than or equal to that of the buried groove.
Furthermore, according to the drainage construction method of the basement bottom plate, the elevation of the highest point of the upper chord surface of the drainage pipe is lower than or equal to the elevation of the upper surface of the basement bottom plate.
Further, according to the drainage construction method of the basement bottom plate, the slope angles of the drainage grooves on the two sides are the same.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a drainage construction method of a basement bottom plate, which comprises the following steps: the drainage plate comprises a drainage plate at one side, a drainage groove at one side, a drainage pipe, a drainage groove at the other side and a drainage plate at the other side. Wherein one side holds the drain bar intercommunication sump pit to through holding the drain bar with the sump pit intercommunication and reach the hydrophobic purpose of basement bottom plate, thereby realize the waterproof purpose of basement bottom plate. The drainage construction of basement bottom plate mainly realizes the drainage to the basement bottom plate through setting up holding drain bar, drainage groove, drainage tube under the basement bottom plate, need not to flow through prefabricated escape canal, need not to be linked together prefabricated escape canal and sump pit, need not the site pouring escape canal, need not to reserve the hanging mould construction of wash port when the site pouring escape canal, has improved basement bottom plate waterproofing work's efficiency of construction through prefabricated escape canal, has shortened construction cycle, has reduced the construction degree of difficulty.
Drawings
FIG. 1 is a schematic cross-sectional view of a basement floor being constructed in a foundation pit;
fig. 2 to 3 are schematic sectional structural diagrams of construction of a blind groove on a basement bottom plate;
FIG. 4 is a schematic cross-sectional view of a drainage tube laid in a blind trough;
FIGS. 5 to 6 are schematic sectional views of the water storage and discharge plate;
FIG. 7 is a schematic cross-sectional view of a prefabricated drain for laying;
FIG. 8 is a schematic sectional view showing the construction of a building surface on both sides of a prefabricated drain;
shown in the figure:
100. a cushion layer;
200. a basement bottom plate 210, blind grooves 211, buried grooves 212 and drainage grooves;
300. a drainage tube;
400. a water storage and drainage plate;
500. a mortar layer;
600. prefabricating a drainage ditch;
700. and (5) building a surface layer.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 1 to 8, an embodiment of the present invention provides a drainage construction method for a basement floor, which includes:
step 801, please refer to fig. 1, a cushion layer 100 is constructed in a foundation pit.
In step 802, please refer to fig. 1, a basement bottom slab 200 is constructed on the cushion layer 100.
In step 803, referring to fig. 2 to fig. 3, blind grooves 210 are formed along the upper surface of the basement bottom plate 200, and each blind groove 210 includes a flat section of buried groove 211 and drainage grooves 212 located at inclined sections on two sides of the buried groove 211. Wherein the slope angles of the drainage grooves 212 on both sides may be the same or different. The slope angle of drainage grooves 212 is the same to avoid excess water remaining in the drainage grooves. The countersinks 211 and drainage channels 212 are shown in detail in the dashed box portion of fig. 3, where the dashed box is for separation only and not a structural body.
In step 804, referring to fig. 4, a drainage tube 300 is laid in the buried groove 211. Wherein the length of the draft tube 300 may be less than or equal to the length of the buried groove 211. Its purpose is to facilitate drainage. Wherein the draft tube 300 may be a non-metallic tube. For example: PVC pipe. The diameter of the draft tube 300 may be 15-30mm. For example 20mm PVC pipe. Preferably, the elevation of the highest point of the upper chord surface of the drainage tube 300 can be lower than or equal to the surface elevation of the basement bottom plate 200, so as to facilitate drainage and prevent leakage.
In step 805, referring to fig. 5 to 6, water storage and drainage plates 400 are laid on basement floor 200 along two sides of drainage pipe 300, and each water storage and drainage plate 400 covers drainage groove 212 and is laid above drainage pipe 300. The water that its purpose made drainage tube 300 flow out flows through in the drainage groove 212 flows through to storing drain bar 400, prevents to store drain bar 400 and drainage groove 212 and drainage tube 300's construction node the seepage appears.
At step 806, referring to FIG. 7, a prefabricated drain 600 is laid through the mortar bed 500 above the draft tube 300. Wherein the mortar layer 500 may be replaced by a concrete layer. The mortar layer 500 serves to fix the prefabricated drain 600.
And step 807, covering the cover plate 610 of the prefabricated drainage ditch 600, and constructing a building surface layer 700 on the basement bottom plate 200. The function of the prefabricated drain 600 is to drain the accumulated water in the basement 200 through the prefabricated drain 600, rather than to waterproof the basement floor. For example: during basement washing, the wash water drains from the prefabricated drains 600 in the basement floor. The elevation of the upper surface of the building surface 700 may be greater than or equal to the elevation of the upper surface of the prefabricated drain 600, for the purpose of enabling water to smoothly flow into the prefabricated drain 600. Wherein the cover plate 610 is a perforated plate, a non-solid plate.
In the drainage construction method of the basement bottom plate 200 provided by the embodiment of the invention, the drainage path of the basement bottom plate 200 is as follows: water storage and drainage plate 400 on one side, drainage groove 212 on one side, drainage tube 300, drainage groove 212 on the other side, water storage and drainage plate 400 on the other side; one of them side holds drain bar 400 and communicates the sump to hold drain bar 400 through communicating with the sump and reach the hydrophobic purpose of basement bottom plate 200, thereby realize the waterproof purpose of basement bottom plate 200. The drainage construction of the basement bottom plate 200 is mainly realized by arranging the drainage storing plate 400, the drainage groove 212 and the drainage pipe 300 below the basement bottom plate 200, the drainage of the basement bottom plate 200 is not required to flow through the prefabricated drainage ditch 600, the prefabricated drainage ditch 600 is not required to be communicated with a water collecting well, the drainage ditch is not required to be poured in situ, the hanging mold construction of the drainage hole is not required to be reserved when the drainage ditch is poured in situ, the construction efficiency is improved through the prefabricated drainage ditch 600, the construction period is shortened, and the construction difficulty is reduced.
According to the drainage construction method of the basement bottom plate 200 provided by the embodiment of the invention, the drainage grooves 212 and the embedded drainage pipes 300 are arranged on the basement bottom plate 200 to realize that the water storage and drainage plates 400 at two sides of the prefabricated drainage ditch 600 are mutually communicated and drained, so that the communicated drainage of the water storage and drainage plates 400 directly enters the water collecting well, and the problem prevented by the basement bottom plate 200 is solved.
The drainage construction method of the basement bottom plate 200 provided by the embodiment of the invention can be directly applied to the finished prefabricated drainage ditch 600 without pouring the drainage ditch and reserving a drainage outlet on site, and solves the problems of long construction period, high construction difficulty and low construction efficiency of basement bottom plate waterproofing engineering and the whole construction.
The present invention is not limited to the above-described specific embodiments, and it is apparent that the above-described embodiments are some, not all, of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention. Other levels of modification and variation of the present invention may be made by those skilled in the art. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims.
Claims (10)
1. A drainage construction method of a basement bottom plate is characterized by comprising the following steps:
constructing a basement bottom plate in the foundation pit;
constructing blind grooves downwards along the upper surface of the basement bottom plate, wherein the blind grooves comprise buried grooves of a flat section and drainage grooves of inclined plane sections at two sides of the buried grooves;
laying a drainage tube in the buried groove;
laying water storage and drainage plates on the basement bottom plate along two sides of the drainage tube, wherein each water storage and drainage plate covers the drainage groove and is erected above the drainage tube;
and laying a prefabricated drainage ditch above the drainage pipe through a mortar layer or a concrete layer.
2. The drainage construction method of the basement floor according to claim 1, further comprising:
and covering a cover plate of the prefabricated drainage ditch, and constructing a building surface layer on the basement bottom plate.
3. The drainage construction method of the basement floor according to claim 2, wherein the elevation of the upper surface of the building surface is greater than or equal to the elevation of the upper surface of the prefabricated drainage ditch.
4. The drainage construction method of the basement floor according to claim 1, wherein a cushion layer is constructed in the foundation pit before the basement floor is constructed.
5. The drainage construction method of the basement bottom plate according to claim 1, wherein the drainage pipe is a non-metal pipe.
6. The drainage construction method of the basement floor according to claim 5, wherein the non-metal pipe is a PVC pipe.
7. The drainage construction method of the basement bottom plate according to claim 1, wherein the diameter of the drainage tube is 15-30mm.
8. The drainage construction method of the basement floor according to claim 1, wherein the length of the drainage pipe is less than or equal to the length of the buried groove.
9. The drainage construction method of the basement bottom plate according to claim 1, wherein the elevation of the highest point of the upper chord surface of the drainage pipe is lower than or equal to the elevation of the upper surface of the basement bottom plate.
10. The drainage construction method of the basement bottom plate according to claim 1, wherein the slope angles of the drainage grooves on the two sides are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288251.4A CN113073684B (en) | 2021-03-18 | 2021-03-18 | Drainage construction method for basement bottom plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288251.4A CN113073684B (en) | 2021-03-18 | 2021-03-18 | Drainage construction method for basement bottom plate |
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| Publication Number | Publication Date |
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| CN113073684A CN113073684A (en) | 2021-07-06 |
| CN113073684B true CN113073684B (en) | 2023-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110288251.4A Active CN113073684B (en) | 2021-03-18 | 2021-03-18 | Drainage construction method for basement bottom plate |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110124476A (en) * | 2010-05-11 | 2011-11-17 | (주)한미글로벌건축사사무소 | Assembly trench and trench structure using the same |
| CN206053999U (en) * | 2016-04-14 | 2017-03-29 | 中国铁路经济规划研究院 | A kind of reverse discharge structure for reducing tunnel bottom water pressure |
| CN108678029A (en) * | 2018-06-29 | 2018-10-19 | 中国建筑第五工程局有限公司 | A kind of hills rich water area basement guarded drainage construction method near a river |
| CN110777856A (en) * | 2019-11-08 | 2020-02-11 | 中国建筑第八工程局有限公司 | Back water-proof structure of basement bottom plate and construction method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821181A (en) * | 2014-02-28 | 2014-05-28 | 中天建设集团有限公司 | Basement bottom plate water drainage layer construction method |
-
2021
- 2021-03-18 CN CN202110288251.4A patent/CN113073684B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110124476A (en) * | 2010-05-11 | 2011-11-17 | (주)한미글로벌건축사사무소 | Assembly trench and trench structure using the same |
| CN206053999U (en) * | 2016-04-14 | 2017-03-29 | 中国铁路经济规划研究院 | A kind of reverse discharge structure for reducing tunnel bottom water pressure |
| CN108678029A (en) * | 2018-06-29 | 2018-10-19 | 中国建筑第五工程局有限公司 | A kind of hills rich water area basement guarded drainage construction method near a river |
| CN110777856A (en) * | 2019-11-08 | 2020-02-11 | 中国建筑第八工程局有限公司 | Back water-proof structure of basement bottom plate and construction method thereof |
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| CN113073684A (en) | 2021-07-06 |
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