CN104805873A - Multi-defense line type anti-floating system capable of monitoring release of water pressure of basement - Google Patents
Multi-defense line type anti-floating system capable of monitoring release of water pressure of basement Download PDFInfo
- Publication number
- CN104805873A CN104805873A CN201510237721.9A CN201510237721A CN104805873A CN 104805873 A CN104805873 A CN 104805873A CN 201510237721 A CN201510237721 A CN 201510237721A CN 104805873 A CN104805873 A CN 104805873A
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- Prior art keywords
- basement
- water
- sandstone
- pervious layer
- water pressure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 238000007667 floating Methods 0.000 title claims abstract description 46
- 238000012544 monitoring process Methods 0.000 title abstract description 4
- 230000035699 permeability Effects 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims description 4
- 238000007596 consolidation process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000004576 sand Substances 0.000 abstract 6
- 239000004575 stone Substances 0.000 abstract 6
- 239000004927 clay Substances 0.000 abstract 3
- 230000007123 defense Effects 0.000 abstract 1
- 239000003673 groundwater Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a multi-defense line type anti-floating system capable of monitoring release of water pressure of a basement. The multi-defense line type anti-floating system comprises a basement bottom plate, a sand and stone water permeating layer, a weak permeability type clay layer and a water collecting well, wherein a water collecting pit is arranged on the basement bottom plate; the sand and stone water permeating layer is arranged under the basement bottom plate; the weak permeability type clay layer is filled around the basement; the sand and stone water permeating layer is connected with the water collecting pit through a first water drain pipe; the water collecting well is communicated with the sand and stone water permeating layer through a second water drain pipe; the water collecting well is positioned at the outer side of the basement. The multi-defense line type anti-floating system has the advantages that the water under the basement bottom plate is drained into the water collecting pit through the sand and stone water permeating layer, so as to release the water pressure of the basement bottom plate; by arranging the weak permeability type clay layer, the underground water is blocked from entering the basement bottom plate, so as to realize the water blocking function; by arranging the water collecting well, the water in the sand and stone water permeating layer is conveniently drained out; by arranging multiple defense lines, the water pressure can be eliminated, so as to guarantee the anti-floating reliability; an anti-floating pile is not needed, so the cost is saved; the mud and sewage are not discharged in the construction process, so the environment is protected; the paving structure is simple, and the construction period is shortened.
Description
Technical field
The invention belongs to building field, especially relate to a kind of many defence lines and can monitor basement water pressure release anti-floating system.
Background technology
Along with the development of urbanization process, modern architecture requires more and more higher to the utilization of the underground space, and major part building all has basement, and area is increasing, and function becomes increasingly complex.In engineering design, the Anti-floating design of basement is the problem paid close attention to the most, must take measure of anti float when the deadweight of building cannot offset water buoyancy, even if the entirety deadweight of building can offset the effect of water buoyancy, measure of anti float still must be taked in local.Traditional measure of anti float has two kinds usually: counterweight method and arrange anti-floating pile.Counterweight method is that the thickness of increase earthing weight or concrete floor is to offset water buoyancy, because earthing and base plate thickness need to take certain space, therefore need the floor height and the buried depth that increase basement, the increase of buried depth increases again water buoyancy, and therefore the method efficiency is lower and uneconomical.Arranging anti-floating pile is the most common at present and effective measure of anti float, but the method long construction period, cost slurry sewage that is high, bored pile is large to ambient influnence.Due to the restriction of land used, a lot of building has to build slope in, the basement of Slope Architectural pacifically building basement equally needs to take measure of anti float, and particularly southern rainy regions, the Anti-floating design of Slope Architectural requires to carry out Anti-floating design by the groundwater table of slope underground 0.5 meter usually.
Summary of the invention
The object of the present invention is to provide a kind of many defence lines can monitor basement water pressure release anti-floating system, at least one in can solving the problem.
According to an aspect of the present invention, provide a kind of many defence lines and can monitor basement water pressure release anti-floating system, comprise basement bottom board, sandstone pervious layer, weak water permeability argillic horizon and collecting well, basement bottom board is provided with sump, sandstone pervious layer is located at below basement bottom board, weak water permeability argillic horizon is filled in basement periphery, sandstone pervious layer is connected by first row water pipe with sump, collecting well is connected by second row water pipe with sandstone pervious layer, and collecting well is positioned at the outside of basement.
The invention has the beneficial effects as follows: be provided with sump, the water under basement bottom board is discharged into sump by sandstone pervious layer, release basement bottom board water pressure, realizes anti-floating.Meanwhile, be provided with weak water permeability argillic horizon, underground water can be blocked and enter basement bottom board, realize water proof; Be provided with the discharge that collecting well facilitates water in sandstone pervious layer, prevent ponding, realize anti-floating, adopt multiple defence line to eliminate water pressure, ensure the reliability of anti-floating.Basement water pressure release anti-floating system can be monitored without the need to adopting anti-floating pile in this many defence line, provides cost savings to a great extent; And without slurry sewage discharge in work progress, protection of the environment, laying structure is simple, decreases the duration.
In some embodiments, basement water pressure release anti-floating system can be monitored in many defence lines can also comprise observation well, and observe well and be located at outside weak water permeability argillic horizon, the observation bottom of well and the bottom of sump are positioned at same plane.Thus, be provided with observation well, convenient monitoring groundwater level situation.
In some embodiments, the bottom of collecting well and the bottom of sump are positioned at same plane.Thus, can ensure that collecting well can as the second defence line of basement bottom board draining, the water pressure that release basement bottom board is unnecessary, realizes anti-floating.
In some embodiments, basement water pressure release anti-floating system can be monitored in many defence lines can also comprise the first anti-filter bag, and the first anti-filter bag is located at first row water pipe and sandstone pervious layer connectivity part, and first row water pipe is communicated with sandstone pervious layer by the first anti-filter bag.Thus, be provided with the first anti-filter bag, can prevent the sandstone in sandstone pervious layer from entering first row water pipe, prevent first row water-pipe blockage, ensure that the water in sandstone pervious layer flow to sump smoothly, enter municipal rain system by automatic-prompting pump original in sump.
In some embodiments, basement water pressure release anti-floating system can be monitored in many defence lines can also comprise the second anti-filter bag, and the second anti-filter bag is located at second row water pipe and sandstone pervious layer connectivity part, and second row water pipe is communicated with sandstone pervious layer by the second anti-filter bag.Thus, be provided with the second anti-filter bag, can prevent the sandstone in sandstone pervious layer from entering second row water pipe, prevent second row water-pipe blockage, ensure that the water of sandstone pervious layer can flow to collecting well smoothly.
In some embodiments, the thickness of sandstone pervious layer is 500mm.Thus, the water in sump can be made to flow to sandstone pervious layer smoothly, the water pressure of release basement bottom board.
In some embodiments, in sandstone pervious layer, the particle diameter of sandstone becomes large from the bottom to top gradually, and coefficient of consolidation is 0.97.Thus, the gravel size on the top in sandstone pervious layer is comparatively large, therefore facilitates the water in sump to flow into sandstone pervious layer; And the gravel size of bottom is less, underground water can be reduced and flow into sandstone pervious layer, reduce the water pressure of basement bottom board.
In some embodiments, the outward flange of sandstone pervious layer exceeds the outward flange of basement bottom board.Thus, the water of sump is facilitated to discharge through sandstone pervious layer.
Accompanying drawing explanation
Fig. 1 is the structural representation that basement water pressure release anti-floating system can be monitored in many defence lines of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
With reference to Fig. 1: basement water pressure release anti-floating system can be monitored in many defence lines, comprise basement bottom board 1, sandstone pervious layer 2, weak water permeability argillic horizon 3 and collecting well 4, basement bottom board 1 offers sump 5, sandstone pervious layer 2 is located at below basement bottom board 1, weak water permeability argillic horizon 3 is filled in basement 20 periphery, sandstone pervious layer 2 is connected by first row water pipe 6 with sump 5, collecting well 4 is connected by second row water pipe 7 with sandstone pervious layer 2, and collecting well 4 is positioned at the outside of basement 20.
Basement water pressure release anti-floating system can be monitored when constructing in many defence lines of the present invention, carries out as follows:
One, place is excavated to design elevation on request on original state soil layer 30, digs out foundation ditch;
Two, on foundation ditch face, lay the thick sandstone pervious layer 2 of 500mm, wherein the thickness of sandstone pervious layer 2 can increase accordingly according to actual needs or reduce by 50 ~ 100mm;
Three, on sandstone pervious layer 2, basement bottom board 1 and sump 5 is laid;
Four, between sump 5 and sandstone pervious layer 2, first row water pipe 6 is laid;
Five, collecting well 4 is set out in the side of basement 20;
Six, between collecting well 4 and sandstone pervious layer 2, second row water pipe 7 is laid;
Seven, weak water permeability argillic horizon 3 backfill compacting is adopted at the periphery of basement 20.
When basement 20 is level land basement, collecting well 4 is connected with automatic water pump by the 3rd gutter 40, and the water in collecting well 4 can be extracted out in time, ensures that the water in sandstone pervious layer 2 can rapidly flow in collecting well 4.When basement 20 is hillside fields basement, collecting well 4 is accessed in municipal rainwater net by the 3rd gutter 40, and the ponding in collecting well 4 can be flowed out smoothly by difference in height, ensures that the water in sandstone pervious layer 2 can rapidly flow in collecting well 4.
The anti-floating pile of basement water pressure release anti-floating system when constructing without the need to adopting cost high can be monitored in many defence lines of the present invention, saves ample resources, reduces cost; And in process of deployment, structure is comparatively simple, has greatly saved the duration, can save the duration of about 45 days, decrease cost of labor.
Fill weak water permeability argillic horizon 3 at the periphery of basement 20, can prevent underground water from entering into basement bottom board 1 by weak water permeability argillic horizon 3; Meanwhile, the water of basement bottom board 1 enters sump 5 through sandstone pervious layer 2, releases the water pressure of basement bottom board 1, realizes anti-floating.
Many defence lines of the present invention can be monitored basement water pressure release anti-floating system and also be comprised observation well 8, observing well 8 is located at outside weak water permeability argillic horizon 3, the observation bottom of well 8 and the bottom of sump 5 are positioned at same plane, observe periphery original state soil layer 30 padding and compacting of well 8.Be provided with and observe well 8, can groundwater table be observed; The observation bottom of well 8 and the bottom of sump 5 are positioned at same plane, make the groundwater table of observing by observing well 8 directly obtain place and descend water level conditions peripherally, be convenient to and the drainage situation paired observation in sump 5.
The bottom of collecting well 4 and the bottom of sump 5 are positioned at same plane, and the water that part can be made not enter sump 5 continues through sandstone pervious layer 2 and enters in collecting well 4, ensure that the reliability of basement water pressure release anti-floating system can be monitored in many defence lines.
Many defence lines of the present invention can be monitored basement water pressure release anti-floating system and be intercepted underground water by weak water permeability argillic horizon 3 and enter basement bottom board 1, by sump 5, the water under basement bottom board is discharged, and by collecting well 4, water under base plate can be discharged further; The buoyancy of basement water pressure release anti-floating system by room base plate under multiple defence line elimination Groundwater can be monitored in this many defence line, is discharged in time by the water under basement bottom board 1, realizes anti-floating.
Many defence lines can be monitored basement water pressure release anti-floating system and also be comprised the first anti-filter bag 9, first anti-filter bag 9 and be located at first row water pipe 6 and sandstone pervious layer 2 connectivity part, and first row water pipe 6 is communicated with sandstone pervious layer 2 by the first anti-filter bag 9.In above-mentioned construction sequence four, sandstone pervious layer 2 is laid the first anti-filter bag 9, one end of first row water pipe 6 is connected with sump 5, the other end is communicated with sandstone pervious layer 2 by the first anti-filter bag 9, the sandstone in sandstone pervious layer 2 is prevented to enter first row water pipe 6, prevent first row water pipe 6 from blocking, the water in sandstone pervious layer 2 can be passed in sump 5 smoothly.
Many defence lines can be monitored basement water pressure release anti-floating system and also be comprised the second anti-filter bag 10, second anti-filter bag 10 and be located at second row water pipe 7 and sandstone pervious layer 2 connectivity part, and second row water pipe 7 is communicated with sandstone pervious layer 2 by the second anti-filter bag 10.In above-mentioned construction sequence six, sandstone pervious layer 2 is laid the second anti-filter bag 10, one end of second row water pipe 7 is communicated with collecting well 4, the other end is communicated with sandstone pervious layer 2 by the second anti-filter bag 10, the sandstone in sandstone pervious layer 2 is prevented to enter in second row water pipe 7, prevent second row water pipe 7 from blocking, the water in sandstone pervious layer 2 can be flow in collecting well 4 by second row water pipe 7 in time.
Wherein, in sandstone pervious layer 2, the particle diameter of sandstone becomes large from the bottom to top gradually, and the gravel size of the bottom is minimum, and coefficient of consolidation is 0.97, makes the soil body particle under sandstone pervious layer 2 be difficult to enter in pervious layer, affects the permeable effect of sandstone pervious layer 2.The outward flange of sandstone pervious layer 2 exceeds the outward flange of basement bottom board 1, thus the water in sandstone pervious layer 2 can be flowed out completely, prevents from, at basement bottom board 1 place ponding, decreasing the water pressure of basement bottom board 1.
Basement water pressure release anti-floating system can be monitored in work progress in many defence lines of the present invention, does not have the discharge of slurry sewage, protection of the environment; Multiple defence line is adopted to eliminate basement bottom board 1 water pressure, safe and reliable; And Real-Time Monitoring can be carried out by observing well 8 pairs of groundwater table, further ensure the safety of use.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. basement water pressure release anti-floating system can be monitored in defence line more than, it is characterized in that, comprise basement bottom board (1), sandstone pervious layer (2), weak water permeability argillic horizon (3) and collecting well (4), described basement bottom board (1) is provided with sump (5), described sandstone pervious layer (2) is located at basement bottom board (1) below, described weak water permeability argillic horizon (3) is filled in basement (20) periphery, described sandstone pervious layer (2) is connected by first row water pipe (6) with sump (5), described collecting well (4) is connected by second row water pipe (7) with sandstone pervious layer (2), described collecting well (4) is positioned at the outside of basement (20).
2. basement water pressure release anti-floating system can be monitored in many defence lines according to claim 1, it is characterized in that, also comprise and observe well (8), described observation well (8) is located at weak water permeability argillic horizon (3) outside, and the bottom of described observation well (8) and the bottom of sump (5) are positioned at same plane.
3. basement water pressure release anti-floating system can be monitored in many defence lines according to claim 1 and 2, and it is characterized in that, the bottom of described collecting well (4) and the bottom of sump (5) are positioned at same plane.
4. basement water pressure release anti-floating system can be monitored in many defence lines according to claim 3, it is characterized in that, also comprise the first anti-filter bag (9), described first anti-filter bag (9) is located at first row water pipe (6) and sandstone pervious layer (2) connectivity part, and described first row water pipe (6) is communicated with sandstone pervious layer (2) by the first anti-filter bag (9).
5. basement water pressure release anti-floating system can be monitored in many defence lines according to claim 4, it is characterized in that, also comprise the second anti-filter bag (10), described second anti-filter bag (10) is located at second row water pipe (7) and sandstone pervious layer (2) connectivity part, and described second row water pipe (7) is communicated with sandstone pervious layer (2) by the second anti-filter bag (10).
6. basement water pressure release anti-floating system can be monitored in many defence lines according to claim 1, and it is characterized in that, the thickness of described sandstone pervious layer (2) is 500mm.
7. basement water pressure release anti-floating system can be monitored in many defence lines according to claim 6, it is characterized in that, in described sandstone pervious layer (2), the particle diameter of sandstone becomes large from the bottom to top gradually, and coefficient of consolidation is 0.97.
8. basement water pressure release anti-floating system can be monitored in the many defence lines according to claim 6 or 7, and it is characterized in that, the outward flange of described sandstone pervious layer (2) exceeds the outward flange of basement bottom board (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510237721.9A CN104805873A (en) | 2015-05-11 | 2015-05-11 | Multi-defense line type anti-floating system capable of monitoring release of water pressure of basement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510237721.9A CN104805873A (en) | 2015-05-11 | 2015-05-11 | Multi-defense line type anti-floating system capable of monitoring release of water pressure of basement |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836313A (en) * | 2016-12-26 | 2017-06-13 | 杭州博牛建筑设计咨询有限公司 | A kind of basement water buoyancy pressure release automatic safety device |
| CN109024711A (en) * | 2018-07-28 | 2018-12-18 | 江苏地基工程有限公司 | Underground structure anti-floating system and its construction method |
| CN113638453A (en) * | 2021-08-18 | 2021-11-12 | 贵州大学 | A basement anti-floating and pressure-reducing system and its construction method |
| CN113700124A (en) * | 2021-07-22 | 2021-11-26 | 浙江省天正设计工程有限公司 | Underground anti-floating water pool capable of draining and reducing pressure and draining and reducing pressure method thereof |
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| JP2012246670A (en) * | 2011-05-27 | 2012-12-13 | Shimizu Corp | Uplift pressure-resisting underground structure |
| CN103147464A (en) * | 2013-04-01 | 2013-06-12 | 四川省建筑科学研究院 | Pressure-releasing structure of basement anti-floating plate and construction method thereof |
| CN104179201A (en) * | 2014-08-22 | 2014-12-03 | 中国建筑西南勘察设计研究院有限公司 | Anti-floating pressure-relief drainage system |
| CN204645102U (en) * | 2015-05-11 | 2015-09-16 | 江苏省建筑设计研究院有限公司 | Basement water pressure release anti-floating system can be monitored in many defence lines |
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2015
- 2015-05-11 CN CN201510237721.9A patent/CN104805873A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012246670A (en) * | 2011-05-27 | 2012-12-13 | Shimizu Corp | Uplift pressure-resisting underground structure |
| CN103147464A (en) * | 2013-04-01 | 2013-06-12 | 四川省建筑科学研究院 | Pressure-releasing structure of basement anti-floating plate and construction method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836313A (en) * | 2016-12-26 | 2017-06-13 | 杭州博牛建筑设计咨询有限公司 | A kind of basement water buoyancy pressure release automatic safety device |
| CN109024711A (en) * | 2018-07-28 | 2018-12-18 | 江苏地基工程有限公司 | Underground structure anti-floating system and its construction method |
| CN109024711B (en) * | 2018-07-28 | 2020-07-21 | 江苏地基工程有限公司 | Underground structure anti-floating system and construction method thereof |
| CN113700124A (en) * | 2021-07-22 | 2021-11-26 | 浙江省天正设计工程有限公司 | Underground anti-floating water pool capable of draining and reducing pressure and draining and reducing pressure method thereof |
| CN113700124B (en) * | 2021-07-22 | 2023-12-26 | 浙江省天正设计工程有限公司 | Underground anti-floating water tank capable of draining and reducing pressure and draining and reducing pressure method thereof |
| CN113638453A (en) * | 2021-08-18 | 2021-11-12 | 贵州大学 | A basement anti-floating and pressure-reducing system and its construction method |
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Application publication date: 20150729 |
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