CN114809119A - Basement drainage anti-floating structure and construction method thereof - Google Patents
Basement drainage anti-floating structure and construction method thereof Download PDFInfo
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- CN114809119A CN114809119A CN202210466213.8A CN202210466213A CN114809119A CN 114809119 A CN114809119 A CN 114809119A CN 202210466213 A CN202210466213 A CN 202210466213A CN 114809119 A CN114809119 A CN 114809119A
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- 238000010276 construction Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 241
- 239000002689 soil Substances 0.000 claims abstract description 38
- 239000010865 sewage Substances 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims description 54
- 239000010410 layer Substances 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 13
- 239000011241 protective layer Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims 1
- 239000003673 groundwater Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- E02D31/10—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 soil pressure or hydraulic pressure
- E02D31/12—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 soil pressure or hydraulic pressure against upward hydraulic pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
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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
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- 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
- E02D19/22—Lining sumps in trenches or other foundation pits
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to the technical field of buildings, in particular to a basement drainage anti-floating structure and a construction method thereof, wherein the basement drainage anti-floating structure comprises a soil base layer and a water-resistant plate arranged on the upper surface of the soil base layer; the water-resistant plate is provided with a water collecting pit; a regulating device and a sewage pump for pumping and draining underground water are arranged in the water collecting pit; a partition layer is arranged between the water-resistant plate and the soil base layer; a water delivery device is laid between the soil base layer and the water collecting pit; the two ends of the water delivery device are respectively provided with a water inlet end positioned in the soil foundation layer and a water outlet end positioned in the water collecting pit; the regulating device comprises a triggering mechanism and a buoy movably arranged in the sump; the trigger mechanism is fixed on the inner wall of the sump and is positioned on the motion track of the buoy; the sewage pump is also electrically connected with a standby battery; by adopting the technical scheme of the invention, the problems that the drainage structure used by the existing basement water-resisting plate is unstable and is easily influenced by the external environment can be effectively solved, and the invention has the advantages of simple and reliable structure, low cost, convenient construction and strong practicability.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a basement drainage anti-floating structure and a construction method thereof.
Background
In the construction of a basement structure, due to the fact that geological condition exploration is wrong, a pile foundation (the specific structure is shown in figure 1) is not adopted for a basement water-resistant plate or the design depth of an anti-floating anchor rod is not enough, and the water-resistant plate part area of the basement often floats upwards in a rainstorm season; in order to ensure the structure safety, the anti-pulling piles are usually added to reinforce the anti-pulling water plate, but the method can only solve the problem that the anti-pulling water plate of the basement floats upwards in a short time, because the anti-pulling piles can be added to the anti-pulling water plate of the basement, the quantity of the anti-pulling piles is limited, the stress of the anti-pulling piles is difficult to change along with the change of the underground water level, when the basement is closed again, pressure water is gathered below the anti-pulling water plate of the basement again, and when the critical point is reached, the anti-pulling water plate of the basement floats upwards;
in order to solve the technical problems, Chinese patent (patent publication No. CN103806473B) discloses a water drainage pressure relief anti-floating structure, which comprises a basic bearing layer, a basement bottom plate arranged above the basic bearing layer and a pressure relief device arranged on the basement bottom plate, wherein the pressure relief device comprises a pumping device, a drain pipe and a valve body arranged at the water outlet of the drain pipe;
although the technical scheme solves the problem of floating of the water-resistant plate of the basement, underground water needs to be gathered at the water collecting pit in the drainage process and can be collected through the matching of the detection system and the drainage device, when an earthquake, extra-large flood or other environmental disasters occur, the detection system breaks down, the valve body cannot be controlled to normally work, and then the pumping and drainage device cannot pump the underground water, the drainage function of the water collecting pit is invalid, and hidden dangers exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a basement drainage anti-floating structure and a construction method thereof, and aims to solve the problems that the drainage structure used by the existing basement water-resistant plate is unstable and is easily influenced by the external environment.
According to the embodiment of the invention, the basement drainage anti-floating structure comprises a soil base layer and a water-resistant plate arranged on the upper surface of the soil base layer; the water-resistant plate is provided with a water collecting pit; a regulating device and a sewage pump for pumping and draining underground water are arranged in the sump, and the outlet end of the sewage pump is communicated with the outside; a partition layer for reducing the leakage of underground water is arranged between the water-resistant plate and the soil foundation layer; a water delivery device for reducing pressure water of the soil foundation layer is laid between the soil foundation layer and the water collecting pit; the two ends of the water delivery device are respectively provided with a water inlet end positioned in the soil foundation layer and a water outlet end positioned in the water collecting pit, and the water delivery device is obliquely arranged;
the regulating device comprises a triggering mechanism and a buoy movably arranged in the sump; the triggering mechanism is fixed on the inner wall of the sump and is positioned on the motion track of the buoy; the trigger mechanism is electrically connected with the sewage pump, and when the buoy is matched with the trigger mechanism, the sewage pump is started and drains water from the sump;
the sewage pump is also electrically connected with a standby battery.
The technical principle of the invention is as follows:
preferably, the partition layer is formed by stacking a plurality of partition materials, and at least comprises a cushion layer, a waterproof coiled material and a waterproof protective layer which are sequentially arranged from bottom to top.
By adopting the technical scheme, the infiltration of underground water in the soil foundation layer into the water-resistant plate can be reduced.
Preferably, a water filtering system for filtering impurities in underground water is laid at the water inlet end of the water delivery device, and comprises a water inlet end and a water outlet end, wherein the water inlet end is far away from the water inlet end: primary filtration, which consists of gravel with the grain diameter of 1-5 cm;
secondary filtering, wherein the secondary filtering is formed by 20 mm-particle-size crushed stone;
and the third-stage filtration is arranged on the sleeve at the water inlet end, and the surface of the sleeve is provided with a plurality of through holes.
By adopting the technical scheme, the water inlet end of the water delivery device is prevented from being blocked by impurities in the matrix soil, and the underground water is filtered to a certain extent.
Preferably, a filter screen is arranged between the primary filtration and the soil base layer; a filter screen is also arranged between the second-stage filtration and the first-stage filtration.
Through adopting above-mentioned technical scheme, the structure of water filtration system can be stabilized to the filter screen, also can play filterable effect to groundwater simultaneously.
Preferably, the water delivery device comprises a first connecting pipe for communicating the soil base layer with the sump and a second connecting pipe for pressure relief; the second connecting pipe is arranged in the sump, one end of the second connecting pipe is fixed on the surface of the first connecting pipe and is communicated with the interior of the first connecting pipe, and the other end of the second connecting pipe is communicated with the sump; and water stop valves are arranged at the water outlet ends of the first connecting pipe and the second connecting pipe.
Through adopting above-mentioned technical scheme, when the groundwater pressure that water delivery device intake the end was too big, the groundwater behind first connecting pipe passes through behind the second connecting pipe again, can reduce only from the pressure of first connecting pipe water outlet end exhaust, improves water delivery device's durability.
Preferably, a plurality of water stop rings arranged at intervals are sleeved on the outer surface of the first connecting pipe; the water stop rings are arranged in the water-resistant plate between the partition layer and the water collecting pit.
Through adopting above-mentioned technical scheme, the seal ring can improve the stability that first connecting pipe is located the water-resistant inboard.
Preferably, the second connecting pipe is of a U-shaped structure; the first connecting pipe, the second connecting pipe, the sleeve and the filter screen are all made of stainless steel materials.
By adopting the technical scheme, the stainless steel material can improve the durability of the water delivery device; the second connecting pipe can reduce the pressure of the ground water after flowing out.
Preferably, the triggering mechanism comprises a shell arranged on the inner wall of the sump and a sliding block elastically penetrating through the surface of the shell; a contact electrically connected with the sewage pump is arranged in the shell and is in the motion range of the sliding block; one end of the sliding block, which penetrates out of the shell, is in the motion track of the buoy, and when the surface of the buoy abuts against the sliding block, one end of the sliding block, which is far away from the buoy, is abutted against the contact.
Through adopting above-mentioned technical scheme, through the characteristic that the buoy floats at the surface of water, when buoy surface butt slider, the other end butt contact of buoy was kept away from to the slider to start the dredge pump and drain, simple structure is stable.
Preferably, the surface of the buoy is fixedly connected with a vertically arranged signal mark, and when the sewage pump works, the top of the signal mark penetrates out of the water collecting pit and is positioned above the water resistant plate ground.
Through adopting above-mentioned technical scheme, be convenient for remind the current working condition of dredge pump of staff.
The invention also discloses a construction method of the basement drainage anti-floating structure, which comprises the following steps:
s1, excavating a foundation pit near the original sump pit, breaking the original partition layer until the foundation pit is excavated and extends downwards for a certain distance, and then cleaning surrounding debris;
s2, erecting the first connecting pipe at one side of the water collecting pit close to the foundation pit, and extending the water outlet end of the first connecting pipe into the water collecting pit to ensure that the height of the water outlet end is higher than that of the water inlet end;
s3, installing a water filtering system at the water inlet end of the first connecting pipe, and pouring a wedge-shaped stop block on the surface of one side, close to the water collecting pit, of the water filtering system to improve the stability of the water filtering system;
s4, sequentially stacking a cushion layer, a water discharging coiled material and a water discharging protective layer on the upper surfaces of the water filtering system and the stop block, and finally pouring a concrete water-resistant plate in a gap between the water collecting pit and the water filtering system;
s5, installing a regulating device in the sump, carrying out simulation operation on the regulating device, checking whether the regulating device works normally, and finally placing a cover plate at an opening above the sump.
Compared with the prior art, the invention has the following beneficial effects:
1. through the cooperation among the water delivery device, the partition layer, the regulation and control device, the buoy and the sewage pump, underground pressure water in the soil foundation layer and pressure water in the water-resistant plate can be collected in the sump, when the liquid level in the sump rises to a specified height, the buoy in the sump can be matched with the trigger mechanism and starts the sewage pump to pump water, and underground water in the sump is discharged in time; because dredge pump electric connection still has backup battery, when taking place external environment and take place earthquake or other special incident and cause the outage, dredge pump also can be through backup battery continuous operation a period, guarantees normal drainage work, maintains before the staff.
2. The invention has the characteristics of simple and reliable structure, low cost, convenient construction, strong practicability and the like; the structure of the existing sump is transformed into the structure of the drainage well, so that the structure of the existing sump is fully utilized, and the damage to the basement water-resistant plate is reduced; the combined design of the water filtering system, the water delivery device and the regulating device is adopted, the long-term effective automatic removal of the pressure water below the water resisting plate and the pressure water below the matrix soil is realized, the safety of the foundation structure is ensured, and the main structural members are made of stainless steel materials, so that the service durability of the structure is ensured.
Drawings
FIG. 1 is a schematic diagram of a sump structure of a basement in the background art of the present invention;
FIG. 2 is a schematic view of a drainage anti-floating structure of a basement according to an embodiment of the invention;
FIG. 3 is an enlarged view of the point A in FIG. 2;
FIG. 4 is an enlarged view of the point B in FIG. 2;
fig. 5 is an enlarged schematic view of C in fig. 2.
In the above drawings: the water-resistant sewage treatment device comprises a soil base layer 1, a water-resistant plate 2, a water collecting pit 3, a regulation and control device 4, a buoy 401, a shell 402, a slider 403, a contact 404, a sewage pump 5, a partition layer 6, a cushion 601, a waterproof roll 602, a waterproof protective layer 603, a water delivery device 7, a first connecting pipe 701, a second connecting pipe 702, a spare battery 8, a water filtering system 9, gravel 901, gravel 902, a sleeve 903, a filter screen 10, a water stop valve 11, a water stop ring 12, a signal mark 13, a stop block 14, a cover plate 15, a connecting port 16 and a sliding rod 17.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1 to 5, an embodiment of the present invention provides a drainage anti-floating structure for a basement, which includes a soil base 1 and a water-resistant plate 2 disposed on an upper surface of the soil base 1; the water-resistant plate 2 is provided with a water collecting pit 3; a regulating device 4 and a sewage pump 5 for pumping and draining underground water are arranged in the sump 3, and the outlet end of the sewage pump 5 is communicated with the outside; a partition layer 6 for reducing the leakage of underground water is arranged between the water-resistant plate 2 and the soil foundation layer 1; a water delivery device 7 for reducing pressure water of the soil base layer 1 is laid between the soil base layer 1 and the water collecting pit 3; the two ends of the water delivery device 7 are respectively provided with a water inlet end positioned in the soil base layer 1 and a water outlet end positioned in the water collecting pit 3, and the water delivery device 7 is obliquely arranged;
the regulating device 4 comprises a triggering mechanism and a buoy 401 movably arranged in the sump 3; the trigger mechanism is fixed on the inner wall of the sump 3 and is positioned on the motion track of the buoy 401; the trigger mechanism is electrically connected with the sewage pump 5, and when the buoy 401 is matched with the trigger mechanism, the sewage pump 5 is started and drains water from the sump 3;
the sewage pump 5 is also electrically connected with a standby battery 8.
The partition layer 6 is arranged between the water-resistant plate 2 and the soil base layer 1, the infiltration of underground water into the water-resistant plate 2 can be reduced, when the underground water infiltrates into the soil base layer 1 and reaches a certain pressure, the underground water enters the water inlet end of the water delivery device 7, the water outlet end of the water delivery device 7 is arranged in the water collecting pit 3, the pressure at the water inlet end is larger than the pressure at the water outlet end, the underground water at the water inlet end can flow into the water collecting pit 3 to be collected through the principle of pressure difference, the sewage collecting pit 3 is also internally provided with the sewage pump 5 and the trigger mechanism, and when the water level in the water collecting pit 3 rises to a certain height, the buoy 401 can activate the trigger mechanism and start the sewage pump 5 to pump water; because dredge pump 5 still electric connection has stand-by battery 8, when external environment takes place the earthquake or cut off the power supply, stand-by battery 8 can also guarantee dredge pump 5's normal work, prevents that groundwater from jacking up water-resistant board 2.
As shown in fig. 1 and 5, according to another embodiment of the invention, in the basement drainage anti-floating structure, the partition layer 6 is formed by stacking three partition materials, including a cushion layer 601, a waterproof roll 602 and a waterproof protective layer 603, which are arranged in sequence from bottom to top; the groundwater in the soil base layer 1 can be reduced as much as possible to permeate into the water-resistant plate 2, and the stability of the water-resistant plate 2 is improved.
In the embodiment, in order to prevent the water inlet end of the water delivery device 7 from being blocked by silt, broken stone 902 or other impurities in the soil foundation 1, a water filtering system 9 for filtering is arranged at the water inlet end; as shown in fig. 4, the water filtration system 9 includes primary filtration, secondary filtration, and tertiary filtration; wherein the primary filter is wrapped at the outer side of the water inlet end and consists of gravel 901 with the grain diameter of 1-5cm and is used for filtering larger impurities; the secondary filtration is paved on the surface of the primary filtration and is formed by 20mm crushed stones 902 and used for filtering the groundwater after the primary filtration again; the sleeve 903 made of stainless steel is adopted for the third-stage filtration, the length of the sleeve 903 is larger than 150mm, a plurality of through holes with the diameter of 5-8mm are formed in the surface of the sleeve 903, the sleeve 903 is sleeved and welded at the water inlet end of the water delivery device 7, the broken stones 902 around the water inlet end are spread, and the groundwater subjected to the first-stage filtration and the second-stage filtration flows into the water inlet end;
a filter screen 10 is arranged between the primary filtering and the soil base layer 1, a filter screen 10 is also arranged between the secondary filtering and the primary filtering, the filter screen 10 can filter sundries in underground water, the structures of the primary filtering and the secondary filtering can be prevented from being damaged, and the stability and the service life of the filtering system are improved;
in order to ensure the stability of the water delivery device 7 in long-term use, the water delivery device comprises a first connecting pipe 701 and a second connecting pipe 702 which are made of stainless steel materials; referring to fig. 2, the first connecting pipe 701 is a straight pipe with a diameter of 50mm and a wall thickness of 6mm, the left end of the first connecting pipe 701 is communicated with the sleeve 903, the right end of the first connecting pipe 701 is communicated with the sump 3, and the groundwater filtered by the water filtering system 9 is conveyed into the sump 3; the first connecting pipe 701 is also obliquely arranged, and the right water outlet end is higher than the left water inlet end; a water stop valve 11 is further installed on the surface, close to the water outlet end, of the right side of the first connecting pipe 701, a connecting port 16 is reserved on the surface of a port at the right end, the connecting port 16 is used for connecting a plug, and the plug can be installed and repaired in time when the water stop valve 11 fails; one end of a second connecting pipe 702 is welded on the surface of the first connecting pipe 701 and is communicated with the first connecting pipe, and the other end of the second connecting pipe is communicated with the interior of the sump 3; the second connecting pipe 702 is of a U-shaped structure, the pipe diameter is 50mm, the wall thickness is 5mm, the straight section of the U-shaped pipe is 500mm, and the diameter of the U-shaped bend is 300 mm; the design of the U-shaped structure can improve the collision frequency of the underground water and the inner wall, reduce the water pressure at the water outlet end of the second connecting pipe 702 and prolong the service life; fig. 2 is a convenient illustration, and a part of the surface of the second connecting pipe 702 is located outside the sump 3; a water stop valve 11 is also arranged at the right water outlet end of the second connecting pipe 702;
in this embodiment, in order to improve the stability of the first connection pipe 701, two water stop rings 12 arranged at intervals are sleeved and welded on the surface of the first connection pipe 701; the outer diameter of the water stop ring 12 is 150mm, the inner diameter is 50mm, the plate thickness is 5mm, and the two water stop rings 12 are arranged at a distance of 150 mm; two water stop rings 12 are arranged in the water-resistant plate 2 between the partition layer 6 and the sump 3.
As shown in fig. 1 and 5, according to another embodiment of the invention, the basement drainage anti-floating structure comprises a shell 402 disposed on the inner wall of the sump 3 and a slide block 403 elastically penetrating the surface of the shell 402; the shell 402 is embedded in the inner wall of the sump 3, a contact 404 electrically connected with the sewage pump 5 is installed in the shell 402, and the contact 404 is in the motion range of the sliding block 403; when the contact 404 is abutted against the surface of the sliding block 403, the contact 404 is communicated and the sewage pump 5 is started to drain the interior of the sump 3; as shown in fig. 5, the left end of the slider 403 is in the motion track of the float 401, and when the surface of the float 401 abuts against the slider 403, the right end surface of the slider 403 abuts against the contact 404; in order to ensure the stable movement track of the buoy 401, a slide bar 17 is fixedly connected to the inner wall of the sump 3 through bolts, and the buoy 401 is slidably arranged on the surface of the slide bar 17 in a penetrating manner;
in this embodiment, buoy 401's surface bolt is fixed with the signal mark 13 of vertically putting, and the top of signal mark 13 can use bright-colored colour as the mark, and when dredge pump 5 during operation, the sump 3 is located 2 above ground of water-resistant board is worn out at signal mark 13 top, can remind the inside liquid level of staff sump 3 and dredge pump 5's state fast.
The embodiment of the invention also provides a construction method of the basement drainage anti-floating structure, which comprises the following steps:
s1, excavating a foundation pit near the original sump 3, breaking the original partition layer 6 until the foundation pit is excavated to the soil foundation layer 1 and extends downwards for a certain distance, and then cleaning surrounding debris;
s2, erecting the first connecting pipe 701 at one side of the water collecting pit 3 close to the foundation pit, and extending the water outlet end of the first connecting pipe into the water collecting pit 3 to ensure that the height of the water outlet end is higher than that of the water inlet end;
s3, installing a water filtering system 9 at the water inlet end of the first connecting pipe 701, and pouring a wedge-shaped stop 14 with concrete on the surface of one side, close to the water collecting pit 3, of the water filtering system 9 to improve the stability of the water filtering system 9;
s4, sequentially stacking a cushion 601, a water discharging coiled material and a water discharging protective layer on the upper surfaces of the water filtering system 9 and the stop block 14, and finally pouring a concrete water-resistant plate 2 in a gap between the water collecting pit 3 and the water filtering system 9;
s5, installing the regulating device 4 in the sump 3, simulating the regulating device to check whether the regulating device works normally, and after the regulating device is installed, placing the cover plate 15 at the opening above the sump 3 to cover the opening of the sump 3 to prevent accidents.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. A basement drainage anti-floating structure comprises a soil base layer (1) and a water-resistant plate (2) arranged on the upper surface of the soil base layer (1); the water-resistant plate (2) is provided with a water collecting pit (3), and is characterized in that: a regulating device (4) and a sewage pump (5) for pumping and draining underground water are arranged in the water collecting pit (3), and the outlet end of the sewage pump (5) is communicated with the outside; a partition layer (6) for reducing the leakage of underground water is arranged between the water-resistant plate (2) and the soil foundation layer (1); a water delivery device (7) for reducing pressure water of the soil base layer (1) is laid between the soil base layer (1) and the water collecting pit (3); the two ends of the water delivery device (7) are respectively provided with a water inlet end positioned in the soil base layer (1) and a water outlet end positioned in the water collecting pit (3), and the water delivery device (7) is obliquely arranged;
the regulating device (4) comprises a triggering mechanism and a buoy (401) movably arranged in the sump (3); the trigger mechanism is fixed on the inner wall of the sump (3) and is positioned on the motion track of the buoy (401); the trigger mechanism is electrically connected with the sewage pump (5), and when the buoy (401) is matched with the trigger mechanism, the sewage pump (5) is started and drains water from the sump (3);
the sewage pump (5) is also electrically connected with a standby battery (8).
2. The drainage anti-floating structure of the basement as claimed in claim 1, wherein: the partition layer (6) is formed by stacking a plurality of partition materials and at least comprises a cushion layer (601), a waterproof coiled material (602) and a waterproof protective layer (603) which are sequentially arranged from bottom to top.
3. The drainage anti-floating structure of the basement as claimed in claim 2, wherein: the water filtering system (9) for filtering impurities in underground water is laid at the water inlet end of the water delivery device (7) and comprises a water inlet end and a water outlet end, wherein the water inlet end is far away from the water inlet end: primary filtration, which consists of gravel (901) with the grain diameter of 1-5 cm;
secondary filtration, formed by 20mm particle size crushed stone (902);
tertiary filter installs in sleeve (903) of intaking the end, and a plurality of through-holes have been seted up on sleeve (903) surface.
4. The drainage anti-floating structure of the basement as claimed in claim 3, wherein: a filter screen (10) is arranged between the primary filter and the soil base layer (1); a filter screen (10) is also arranged between the secondary filtration and the primary filtration.
5. The drainage anti-floating structure of the basement as claimed in claim 4, wherein: the water delivery device (7) comprises a first connecting pipe (701) for communicating the soil base layer (1) with the water collecting pit (3) and a second connecting pipe (702) for pressure relief; the second connecting pipe (702) is arranged in the sump (3), one end of the second connecting pipe (702) is fixed on the surface of the first connecting pipe (701) and is communicated with the interior of the first connecting pipe, and the other end of the second connecting pipe (702) is communicated with the sump (3); and water stop valves (11) are arranged at the water outlet ends of the first connecting pipe (701) and the second connecting pipe (702).
6. The drainage anti-floating structure of the basement as claimed in claim 5, wherein: the outer surface of the first connecting pipe (701) is sleeved with a plurality of water stop rings (12) which are arranged at intervals; the water stop rings (12) are arranged in the water-resistant plate (2) between the partition layer (6) and the water collection pit (3).
7. The drainage anti-floating structure of the basement as claimed in claim 6, wherein: the second connecting pipe (702) is of a U-shaped structure; the first connecting pipe (701), the second connecting pipe (702), the sleeve (903) and the filter screen (10) are all made of stainless steel materials.
8. The drainage anti-floating structure of the basement as claimed in claim 1, wherein: the trigger mechanism comprises a shell (402) arranged on the inner wall of the sump (3) and a sliding block (403) elastically penetrating the surface of the shell (402); a contact (404) electrically connected with the sewage pump (5) is arranged in the shell (402), and the contact (404) is in the motion range of the sliding block (403); one end of the sliding block (403) penetrating out of the shell (402) is in the motion track of the buoy (401), and when the surface of the buoy (401) is abutted against the sliding block (403), one end of the sliding block (403) far away from the buoy (401) is abutted against the contact (404).
9. The drainage anti-floating structure of the basement as claimed in claim 8, wherein: the surface of the buoy (401) is fixedly connected with a vertically arranged signal mark (13), and when the sewage pump (5) works, the top of the signal mark (13) penetrates out of the water collecting pit (3) and is positioned above the ground of the water resisting plate (2).
10. The construction method of the basement drainage anti-floating structure as claimed in claim 1-9, wherein:
s1, excavating a foundation pit near the original sump pit (3), breaking the original partition layer (6) until the foundation pit (1) is excavated and extends downwards for a certain distance, and then cleaning surrounding debris;
s2, erecting the first connecting pipe (701) at one side of the water collecting pit (3) close to the foundation pit, and extending the water outlet end of the first connecting pipe into the water collecting pit (3) to ensure that the height of the water outlet end is higher than that of the water inlet end;
s3, installing a water filtering system (9) at the water inlet end of the first connecting pipe (701), and pouring a wedge-shaped stop block (14) on the surface of one side, close to the water collecting pit (3), of the water filtering system (9) for improving the stability of the water filtering system (9);
s4, sequentially stacking a cushion layer (601), a water discharging coiled material and a water discharging protective layer on the upper surfaces of the water filtering system (9) and the stop block (14), and finally pouring a concrete water-resistant plate (2) in a gap between the water collecting pit (3) and the water filtering system (9);
s5, installing a regulating device (4) in the sump (3), simulating the operation of the regulating device, checking whether the regulating device works normally, and finally placing a cover plate (15) at an opening above the sump (3).
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| CN202210466213.8A CN114809119A (en) | 2022-04-29 | 2022-04-29 | Basement drainage anti-floating structure and construction method thereof |
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| CN202210466213.8A CN114809119A (en) | 2022-04-29 | 2022-04-29 | Basement drainage anti-floating structure and construction method thereof |
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| CN216194850U (en) * | 2021-10-15 | 2022-04-05 | 中铁成都规划设计院有限责任公司 | Drainage pressure relief device that basement bottom plate was easily maintained |
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| AUPP474198A0 (en) * | 1998-07-17 | 1998-08-13 | Worldwide Water Technologies Pty Ltd | Portable water treatment apparatus |
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