CN102535488B - Waterproof construction method for bottom plate of high-water-level basement - Google Patents
Waterproof construction method for bottom plate of high-water-level basement Download PDFInfo
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- CN102535488B CN102535488B CN201210065838.XA CN201210065838A CN102535488B CN 102535488 B CN102535488 B CN 102535488B CN 201210065838 A CN201210065838 A CN 201210065838A CN 102535488 B CN102535488 B CN 102535488B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
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Abstract
The invention discloses a waterproof construction method for a bottom plate of a high-water-level basement. The method comprises the following steps of: (1) partitioning water on a soil layer in a depth range of a foundation pit from the periphery of the foundation pit by using a waterproof curtain of a foundation pit support, and forming drainage ditches on the ground surface of the foundation pit support and at the bottom periphery of the foundation pit; (2) forming more than one dredging ditch below partitioning positions among pile bearing platforms, wherein the distance between the bottom of each pile bearing platform and the top of the dredging ditch is 500 to 1,000mm; and (3) forming a corresponding dewatering well at the periphery of the foundation pit according to a water outlet end of the dredging ditch, and arranging a submerged pump in the dewatering well, wherein the submerged pump is communicated with the drainage ditches through water suction pipes. The invention also discloses a waterproof system for the bottom plate of the high-water-level basement. By the method and the system, the problems of low dryness of flexible waterproof layer construction surfaces, over-high cost of jet grouting piles, high water seepage degree, high labor consumption, high material consumption and the like in the prior art are solved; and the system has the characteristics of effectively dewatering the basement, shortening construction periods, saving the cost and conveniently controlling construction quality, along with a simple structure, low manufacturing cost and the like.
Description
Technical field
The present invention relates to the basement bottom board waterproof construction technology field of civil engineering, is a kind of high water level waterproof construction method for bottom plate of basement and system thereof specifically.
Background technology
Along with the raising of architectural design underground construction level, the use function of basement will be not only for purposes such as underground air defense, underground garages.Due to the in short supply of urban architecture land used and follow international building thing toward the fashion trend of underground expansion space, the past underground dark expansion of building usage space (layer), underground office, underground commerce shopping square becomes more diverse.The building basement multiple stratification of China the Changjiang river, geology low laying areas, Delta of the Pearl River alluvium, is used functional diversities increasingly outstanding at present.Underground function instructions for use is higher, and basement waterproofing class requirement is just higher; Groundwater table more high hydraulic pressure is larger, and difficulty of construction is also just larger.
Anti-outer subsides method outside general employing of basement bottom board waterproofing course of high-grade waterproof.Its waterproof construction is flexible waterproof layer → topping → coiled material (dry paving) adhered layer → topping → deck by upstream face to deck successively; And the first floor flexible waterproof layer of forefront is synthetic macromolecule waterproof coating or polyurethane coating film, the aridity of its cement mortar Pi Dang basic unit requires very high, and basic unit's aridity is higher, and quality is just better.
Foundation ditch in high groundwater level, particularly the closer to the saturated silt soil strata in rivers, lake, region, seashore, water-stop curtain is set and can not guarantees the dry of substrate soil completely, because huge water pressure can make the working cushion layer (concrete bed course) of basement bottom board and the stock mould water permeability of pile cap structure strengthen, cause substrate infiltration.Therefore, its basal plane is just difficult to reach the aridity of the synthetic macromolecule waterproof coating of flexible waterproof layer or polyurethane coating film construction requirement, and construction quality is difficult to guarantee.
The problem seeping water for substrate in engineering, the most direct method adopts well-points dewatering exactly, in foundation ditch surrounding or inside, precipitation well point is set, and groundwater table is reduced to below working face, but for the periphery geological environment comparatively responsive to underground water, the method is also inapplicable.In addition can adopt rotary churning pile water stopping, in the position of infiltration, do rotary churning pile, in bases, form sealing layer one.This way can effectively solve the problem of substrate infiltration, guarantees the aridity of substrate, but the shortcoming of this method is high expensive, and to spend a large amount of time, moreover for the foundation ditch in phreatic high, infiltration situation is even more serious, and the shortcoming of this method highlights more.Can also under concrete cushion, set up 100～200mm sand－stone cushion.The foundation ditch that area is large also should arrange in length and breadth to french drain in sand-gravel cushion, is beneficial to water to discharge and take away to both sides gutter.The method can guarantee substrate infiltration to drain rapidly, but in the situation that foundation ditch area is larger, this way expense of relatively taking a lot of work is expected.
Summary of the invention
The object of the invention is to overcome the deficiency that above prior art exists, the high water level waterproof construction method for bottom plate of basement of a kind of simple in structure, low cost, effective precipitation, reduction duration, cost-saving and constructability quality control is provided.
Another object of the present invention is to provide a kind of high water level basement bottom board waterproofing system.
In order to achieve the above object, the present invention by the following technical solutions: a kind of high water level waterproof construction method for bottom plate of basement, comprises the following steps:
(1) first utilize the water-stop curtain of pattern foundation pit supporting structure, by the water of foundation depth scope soil layer, only every beyond foundation ditch periphery, ground and the foundation ditch bottom perimeter at pattern foundation pit supporting structure all arranges perforation gutter simultaneously;
(2) the hydrophobic ditch that more than 1 the loose brick of use and fleece are built into is set below the interval location between basement bottom board pile cap, pile cap bottom is apart from hydrophobic ditch top 500～1000mm;
(3) at foundation ditch periphery, by hydrophobic ditch water outlet end, corresponding dewatering well is set, dewatering well is located at the outside apart from basement basis outermost peripheral, and submersible pump is set in dewatering well, and submersible pump is communicated with gutter by drinking-water pipe.
As a kind of preferred scheme, the excavation method of the dewatering well in the hydrophobic ditch in described step (2) and step (3) is: when pit earthwork digs to the absolute altitude of half height of pile cap, according to the layout plan of hydrophobic ditch and dewatering well, measure unwrapping wire, after completing, carry out the soil excavation of hydrophobic ditch and the soil excavation of dewatering well simultaneously.
In order to avoid basement bottom board structure and waterproofing course position, the dewatering well in described step (3) is located at apart from beyond the outermost peripheral 600mm of basement basis.
As a kind of preferred scheme, thin ditch construction method in described step (2) is: the loose brick that is first 60～120mm in the bottom of hydrophobic ditch tiling a layer thickness, the loose brick that the equal laying depth in hydrophobic ditch both sides is 120～240mm, the inner space width of hydrophobic ditch is 120～160mm, the interior empty pine of hydrophobic ditch is filled out the rubble that particle diameter is 20～30mm, the top tiling thickness of hydrophobic ditch is that 60～120mm length is the loose brick of 240mm, between the loose brick at top and loose brick, stay the wide sluicing seam of 30～60mm, then at the top of hydrophobic ditch pine brick upper surface and both sides pine brick external surface, lay 2～3 layers of fleece, fleece is every square centimeter of 9～16 orders, bottom and the dewatering well of hydrophobic ditch have 0.5～1% the gradient simultaneously, water in ditch is drained toward dewatering well smoothly.
As a kind of preferred scheme, the hydrophobic ditch layout in described step (2) is elongated communicating structure or non-elongated communicating structure.Only need to guarantee that hydrophobic ditch water outlet end is communicated with dewatering well.
As the preferred scheme of another kind, the hydrophobic ditch layout in described step (2) is for curving structure, and hydrophobic ditch water outlet end is communicated with the dewatering well in step (3).
A high water level basement bottom board waterproofing system, comprises pile cap, hydrophobic ditch, gutter, dewatering well and submersible pump; Wherein, the hydrophobic ditch that 1 above loose brick of use and fleece are built into is set below the interval location between pile cap, pile cap bottom is apart from hydrophobic ditch top 500～1000mm, the ground of pattern foundation pit supporting structure and foundation ditch bottom perimeter all arrange and connect gutter, the outer setting dewatering well of basement basis outermost peripheral, hydrophobic ditch water outlet end is communicated with corresponding dewatering well, and submersible pump is set in dewatering well, and submersible pump is communicated with gutter by drinking-water pipe.
As a kind of preferred scheme, described hydrophobic ditch is the loose brick that 1 layer of 60～120mm laid in bottom, the loose brick that the equal laying depth in both sides is 120～240mm, its inner space width is 120～160mm, the interior empty pine of hydrophobic ditch is filled out the rubble that particle diameter is 20～30mm, the top tiling thickness of hydrophobic ditch is that 60～120mm length is the loose brick of 240mm, between the loose brick at top and loose brick, stay the wide sluicing seam of 30～60mm, the top pine brick upper surface of hydrophobic ditch and both sides pine brick external surface are laid 2～3 layers of fleece, fleece is every square centimeter of 9～16 orders, bottom and the dewatering well of hydrophobic ditch have 0.5～1% the gradient simultaneously.
In order to support the pressure of soil and draining that can be good, described dewatering well comprises reinforcing cage, stiffening ring, stirrup and water strainer; Wherein, stirrup spiral is fixed on reinforcing cage, stiffening ring is sheathed to be fixed on reinforcing cage, reinforcing cage outside is coated 3 layers above every square centimeter and has 9～12 object water strainers, the length of reinforcing cage is less than or equal to 4.5m and is less than the embedded depth of the foundation pit supporting pile of pattern foundation pit supporting structure, and described dewatering well is located at apart from beyond the outermost peripheral 600mm of basement basis.The main function of dewatering well be catchment, precipitation and water-pumping/draining, the size of dewatering well is according to the displacement design of hydrophobic ditch.
For can better draining, filtration and do not stop up, also comprise travel switch, travel switch is arranged on the dewatering well inwall of submersible pump top, described diving pump lift is more than 30m, more than diameter 50mm, described drinking-water pipe is hard PVC pipe, and its hard PVC pipe is connected with 300～500mm long soft-pipe made with the vibration damping of the delivery port junction of submersible pump.
The present invention, with respect to prior art, has following advantage and effect:
1, adopt construction method of the present invention, can effective precipitation, for next process provides the scope of operation, avoided in the past the situation that cannot enter a procedure because of precipitation failure or ponding, can greatly reduce the duration.
2, the structure such as the hydrophobic ditch in the present invention and dewatering well, with material simple, cheap and can effectively guarantee the aridity of basement bottom board waterproof matrix, saved in the past the expense that causes construction of waterproof layer to do over again and produce because of precipitation failure or ponding.
3, adopt construction method of the present invention, guaranteed the aridity of basement bottom board basic unit and the quality of construction of waterproof layer, guaranteed that the qualification rate of waterproofing course inspection and examination reaches more than 100%, Functionality, quality and appealing design yield reaches more than 90%.
4, the fleece in the present invention and water strainer all can adopt old safety net, and twice laid is cost-saving.
5, the bottom of the hydrophobic ditch in the present invention and dewatering well have 0.5～1% the gradient, have and can make the easier feature mobile to gutter of water.
6, the dewatering well in the present invention comprises reinforcing cage, stiffening ring, stirrup and water strainer, and the length of reinforcing cage is less than or equal to 4.5m and is less than the embedded depth of the foundation pit supporting pile of pattern foundation pit supporting structure, have can effectively support ground pressure and be convenient to an excavator minute two-stage platform and dig pit and bury underground.
7, the drinking-water pipe in the present invention is that hard PVC pipe is avoided drinking-water pipe because silt stops up, and hard PVC pipe is connected with 300～500mm long soft-pipe made with the vibration damping of the delivery port junction of submersible pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of high water level basement bottom board waterproofing system of the present invention;
Fig. 2 is the sectional view of high water level basement bottom board waterproofing system of the present invention;
Fig. 3 is the layout plan of the hydrophobic ditch of high water level basement bottom board waterproofing system of the present invention;
Fig. 4 is the sectional view of the hydrophobic ditch of high water level basement bottom board waterproofing system of the present invention;
Fig. 5 is the structural representation of high water level basement bottom board waterproofing system dewatering well of the present invention.
Number in the figure and title are as follows:
The specific embodiment
For ease of it will be appreciated by those skilled in the art that the present invention is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
As shown in Fig. 1～5, a kind of high water level waterproof construction method for bottom plate of basement, comprises the following steps:
(1) first utilize the water-stop curtain of pattern foundation pit supporting structure, by the water of foundation ditch 18 depth bounds soil layers, only every beyond foundation ditch 17 peripheries, ground 17 and the foundation ditch bottom perimeter at pattern foundation pit supporting structure all arranges perforation gutter 1 simultaneously;
(2) the hydrophobic ditch 3 that more than 1 the loose brick of use and fleece are built into is set below the interval location between basement bottom board pile cap, pile cap bottom 2 is apart from hydrophobic ditch 3 top 500～1000mm;
(3) at foundation ditch 1 periphery, by hydrophobic ditch 3 water outlet ends, corresponding dewatering well 4 is set, dewatering well 4 is located at the outside apart from basement basis outermost peripheral 5, the interior submersible pump 6 that arranges of dewatering well 4, and submersible pump 6 is communicated with gutter 1 by drinking-water pipe 7.
Wherein, high water level refers to that foundation ditch present position is near the saturated silt soil strata in rivers, lake, region, seashore, and groundwater table is higher, simultaneously because condition restriction does not allow to adopt well-points dewatering, water-stop curtain is set and can not guarantees the dry of substrate soil completely.
As shown in Figure 1, the excavation method of the dewatering well 4 in the hydrophobic ditch 3 in described step (2) and step (3) is: when foundation ditch 1 soil excavation digs to the absolute altitude of half height of pile cap, according to the layout plan of hydrophobic ditch 3 and dewatering well 4, measure unwrapping wire, after completing, carry out the soil excavation of hydrophobic ditch 3 and the soil excavation of dewatering well 4, the dewatering well 4 in described step (3) is located at beyond the 600mm apart from basement basis outermost peripheral 5 simultaneously.Hydrophobic ditch 3 layout in described step (2) are elongated communicating structure or non-elongated communicating structure, and the hydrophobic ditch 3 in the present embodiment is linear structure.
As shown in Figure 4, hydrophobic ditch 3 construction methods in described step (2) are: the loose brick 12 that is first 60～120mm in the bottom of hydrophobic ditch 3 tiling a layer thickness, the loose brick 13 that the hydrophobic ditch 3 equal laying depths in both sides are 120～240mm, the inner space width of hydrophobic ditch 3 is 120～160mm, the interior empty pine of hydrophobic ditch 3 is filled out the rubble 19 that particle diameter is 20～30mm, the top tiling thickness of hydrophobic ditch 3 is that 60～120mm length is the loose brick 14 of 240mm, between the loose brick 14 at top and loose brick, stay the wide sluicing seam 15 of 30～60mm, then at the top of hydrophobic ditch pine brick 14 upper surfaces and both sides pine brick 13 external surfaces, lay 2～3 layers of fleece 16, fleece 16 is every square centimeter of 9～16 orders, bottom and the dewatering well 4 of hydrophobic ditch 3 have 0.5～1% the gradient simultaneously, water in ditch is drained toward dewatering well smoothly.Acting as of fleece 16: the water of soil can be intercepted earth outside hydrophobic ditch 3 again toward the interior excretion of hydrophobic ditch 3, keep unimpeded.
Wherein, the sectional dimension of hydrophobic ditch 3 and arrange that density press at the bottom of basement bottom board the water yield of pile cap place soil layer and calculate and determine, thus assurance water yield is let out and is drained into dewatering well 4 and pump drainage and 1 drain to gutter by underground hydrophobic ditch 3; The pump drainage amount of the diameter of dewatering well 4 and submersible pump 6 is determined by the displacement of hydrophobic ditch.Dewatering well in foundation ditch is after basement construction completes, and backfill together with sidewall of basement soil, can take out recycling by its reinforcing cage before backfill.
A high water level basement bottom board waterproofing system, comprises pile cap, hydrophobic ditch 3, gutter 1, dewatering well 4 and submersible pump 6; Wherein, the hydrophobic ditch 3 that 1 above loose brick of use and fleece are built into is set below the interval location between pile cap, pile cap bottom 2 is apart from hydrophobic ditch 3 top 500～1000mm, the ground 17 of pattern foundation pit supporting structure and foundation ditch bottom perimeter all arrange and connect gutter 1, the outer setting dewatering well 4 of basement basis outermost peripheral 5, hydrophobic ditch 3 water outlet ends are communicated with corresponding dewatering well 4, the interior submersible pump 6 that arranges of dewatering well 4, and submersible pump 6 is communicated with gutter 1 by drinking-water pipe 7.
As shown in Figure 4, described hydrophobic ditch 3 is the loose brick of 1 layer of 60～120mm of bottom laying, the loose brick that the equal laying depth in both sides is 120～240mm, its inner space width is 120～160mm, the interior empty pine of hydrophobic ditch 3 is filled out the rubble 19 that particle diameter is 20～30mm, the top tiling thickness of hydrophobic ditch 3 is that 60～120mm length is the loose brick 14 of 240mm, between the loose brick 14 at top and loose brick, stay the wide sluicing seam 15 of 30～60mm, top pine brick 14 upper surfaces of hydrophobic ditch and both sides pine brick 13 external surfaces are laid 2～3 layers of fleece 16, fleece 16 is every square centimeter of 9～16 orders, bottom and the dewatering well 4 of hydrophobic ditch 3 have 0.5～1% the gradient simultaneously.Acting as of fleece 16: the water of soil can be intercepted earth outside hydrophobic ditch 3 again toward the interior excretion of hydrophobic ditch 3, keep unimpeded.
As shown in Figure 5, described dewatering well 4 comprises reinforcing cage 8, stiffening ring 9, stirrup 10 and water strainer 11, wherein, stirrup 10 spiral weldeds are on reinforcing cage 8, stiffening ring 9 is welded and located on reinforcing cage 8, reinforcing cage 8 outsides are coated 3 layers above every square centimeter and have 9～12 object water strainers 11, the length of reinforcing cage 8 is less than or equal to 4.5m and is less than the embedded depth of the foundation pit supporting pile of pattern foundation pit supporting structure, described dewatering well 4 is located at beyond the 600mm apart from basement basis outermost peripheral 5, also comprise travel switch, travel switch is arranged on dewatering well 4 inwalls of submersible pump 6 tops, the lift of described submersible pump 6 is more than 30m, more than diameter 50mm, described drinking-water pipe 7 is hard PVC pipe, the Main Function of dewatering well 4 is for catchmenting, precipitation and water-pumping/draining, the specification of the size of dewatering well 4 and submersible pump 6 is all set according to actual needs.Drinking-water pipe 7 can not be used flexible pipe, must use hard PVC pipe, in order to avoid husky by blockage in the water drawing up, its hard PVC pipe is connected with 300～500mm long soft-pipe made with the vibration damping of the delivery port junction of submersible pump.Water strainer 11 and fleece 16 all can adopt old safety net to replace, and reach the effect of twice laid.Dewatering well in foundation ditch is after basement construction completes, and backfill together with sidewall of basement soil, can take out recycling by its reinforcing cage before backfill.
Embodiment 2:
The present embodiment difference from Example 1 is: hydrophobic ditch 3 layout in described step (2) are for curving structure, and hydrophobic ditch 3 water outlet ends are communicated with the dewatering well 4 in step (3).That is to say that the hydrophobic ditch 3 in the present embodiment can curve between cushion cap, as long as water can be delivered to dewatering well 4.
The above-mentioned specific embodiment is the preferred embodiments of the present invention, can not limit the present invention, and other any change or other equivalent substitute mode that does not deviate from technical scheme of the present invention and make, within being included in protection scope of the present invention.
Claims (5)
1. a high water level waterproof construction method for bottom plate of basement, is characterized in that, comprises the following steps:
(1) first utilize the water-stop curtain of pattern foundation pit supporting structure, by the water of foundation depth scope soil layer, only every beyond foundation ditch periphery, ground and the foundation ditch bottom perimeter at pattern foundation pit supporting structure all arranges perforation gutter simultaneously;
(2) the hydrophobic ditch that more than 1 the loose brick of use and fleece are built into is set below the interval location between basement bottom board pile cap, pile cap bottom is apart from hydrophobic ditch top 500～1000mm, the construction method of described hydrophobic ditch is: the loose brick that is first 60～120mm in the bottom of hydrophobic ditch tiling a layer thickness, the loose brick that the equal laying depth in hydrophobic ditch both sides is 120～240mm, the inner space width of hydrophobic ditch is 120～160mm, the interior empty pine of hydrophobic ditch is filled out the rubble that particle diameter is 20～30mm, the top tiling thickness of hydrophobic ditch is that 60～120mm length is the loose brick of 240mm, between the loose brick at top and loose brick, stay the wide sluicing seam of 30～60mm, then at the top of hydrophobic ditch pine brick upper surface and both sides pine brick external surface, lay 2～3 layers of fleece, fleece is every square centimeter of 9～16 orders, bottom and the dewatering well of hydrophobic ditch have 0.5～1% the gradient simultaneously, water in ditch is drained toward dewatering well smoothly,
(3) at foundation ditch periphery, by hydrophobic ditch water outlet end, corresponding dewatering well is set, dewatering well is located at the outside apart from basement basis outermost peripheral, and submersible pump is set in dewatering well, and submersible pump is communicated with gutter by drinking-water pipe.
2. high water level waterproof construction method for bottom plate of basement according to claim 1, it is characterized in that, the excavation method of the dewatering well in the hydrophobic ditch in described step (2) and step (3) is: when pit earthwork digs to the absolute altitude of half height of pile cap, according to the layout plan of hydrophobic ditch and dewatering well, measure unwrapping wire, after completing, carry out the soil excavation of hydrophobic ditch and the soil excavation of dewatering well simultaneously.
3. high water level waterproof construction method for bottom plate of basement according to claim 1, is characterized in that: the dewatering well in described step (3) is located at apart from beyond the outermost peripheral 600mm of basement basis.
4. high water level waterproof construction method for bottom plate of basement according to claim 1, is characterized in that: the hydrophobic ditch layout in described step (2) is elongated communicating structure or non-elongated communicating structure.
5. high water level waterproof construction method for bottom plate of basement according to claim 1, is characterized in that: the hydrophobic ditch layout in described step (2) is for curving structure, and hydrophobic ditch water outlet end is communicated with the dewatering well in step (3).
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| CN201210065838.XA CN102535488B (en) | 2012-03-13 | 2012-03-13 | Waterproof construction method for bottom plate of high-water-level basement |
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| CN201210065838.XA CN102535488B (en) | 2012-03-13 | 2012-03-13 | Waterproof construction method for bottom plate of high-water-level basement |
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| CN103898943B (en) * | 2014-03-26 | 2016-06-15 | 东莞市建之都建设工程有限公司 | A kind of basement water resource Collection utilization method and water circulation utilization system |
| CN104480964B (en) * | 2014-11-24 | 2016-01-06 | 广西壮族自治区冶金建设公司 | A kind of underground waterproof basic unit local emits water source construction method |
| CN104805855A (en) * | 2015-02-25 | 2015-07-29 | 成都格瑞思文化传播有限公司 | Drainage device |
| CN104805856A (en) * | 2015-03-31 | 2015-07-29 | 成都聚智工业设计有限公司 | Water lowering and drainage mechanism |
| CN106498910B (en) * | 2015-07-07 | 2018-05-11 | 苏州汇诚智造工业设计有限公司 | A kind of force reduction pool bottom construction or strengthening construction automatic drain system |
| CN105350552A (en) * | 2015-09-25 | 2016-02-24 | 中国二十冶集团有限公司 | Underground water control method for backfilled sediment layer |
| CN106632871B (en) * | 2017-01-04 | 2018-09-14 | 广东锦绣天地市政工程有限公司 | A kind of anti-plastic-steel sheet pile that fractures of high intensity |
| CN106836252A (en) * | 2017-03-14 | 2017-06-13 | 中国十七冶集团有限公司 | Tower crane combination precipitation pipe well forms the construction method of natural drainage and recycling |
| CN108868063A (en) * | 2018-06-07 | 2018-11-23 | 上海宝冶集团有限公司 | A kind of method for constructing terrace |
| CN108867674A (en) * | 2018-08-17 | 2018-11-23 | 南京吉士达防水工程有限公司 | Basement waterproofing keeps the temperature drainage system |
| CN112921999A (en) * | 2021-01-26 | 2021-06-08 | 中建四局第一建筑工程有限公司 | Structure of integrated circulating system for recycling rainwater in drainage zone of lower layer of bottom plate of high-water-level basement and construction method of structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19935366A1 (en) * | 1998-07-29 | 2000-02-03 | Zueblin Ag | Foundation pit of floor plate and sidewalls depresses floor plate below sidewall ends and joins these via arched sector of floor plate thickness to resist floor lift via ground-embedded ties. |
| CN201125391Y (en) * | 2007-09-11 | 2008-10-01 | 中国建筑第六工程局有限公司 | Basement waterproofing drainage structure |
| CN101446084B (en) * | 2007-11-27 | 2010-06-02 | 贵阳铝镁设计研究院 | Underground building outdoor-indoor water drainage combination structure and method thereof |
| CN201883450U (en) * | 2010-11-25 | 2011-06-29 | 中国京冶工程技术有限公司 | Coastal deep-foundation anti-seepage waterproof basement structure |
| CN202440826U (en) * | 2012-03-13 | 2012-09-19 | 广东中城建设集团有限公司 | Waterproof system for high-water level basement foundation slabs |
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| CN102535488A (en) | 2012-07-04 |
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