CN105544621A - Building structure for lowering designed anti-floating water level of heap slope building - Google Patents
Building structure for lowering designed anti-floating water level of heap slope building Download PDFInfo
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- CN105544621A CN105544621A CN201510912405.7A CN201510912405A CN105544621A CN 105544621 A CN105544621 A CN 105544621A CN 201510912405 A CN201510912405 A CN 201510912405A CN 105544621 A CN105544621 A CN 105544621A
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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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- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a building structure for lowering the designed anti-floating water level of a heap slope building. The building structure for lowering the designed anti-floating water level of the heap slope building comprises a water-resisting layer which is connected with the outer wall of a basement of the building in a sealing mode and arranged in the position not lower than the elevation of a municipal road. The far end and the near end of the water-resisting layer are each provided with a blind ditch. The blind ditches communicates with a municipal rainwater well through rainwater pipes. According to the building structure for lowering the designed anti-floating water level of the heap slope building, the water-resisting layer and the blind ditches are arranged in common foundation filling earth, so that a water body on the upper layer and a water body on the lower layer are effectively isolated, the water body above the water-resisting layer can be completely drained rapidly, the water head of water buoyancy borne by the basement is prevented from being higher than the elevation of the water-resisting layer when a rainstorm falls, and accordingly the anti-floating water level adopted when the building is designed is lowered, and the building material consumption and construction cost are effectively reduced under the condition that the safety of the building is guaranteed. The building structure for lowering the designed anti-floating water level of the heap slope building is simple in structure, low in manufacturing cost, convenient to construct and capable of being widely applied to various heap slope buildings.
Description
Technical field
The present invention relates to a kind of building structure reducing heap slope architectural design hydrostatic water table, belong to construction engineering technical field.
Background technology
In recent years, along with improving constantly of people's living standard, the requirement of people to dwelling environment is also more and more higher.Therefore, occurred that some utilize backfill that the heap slope of the projecting town road absolute altitude of project site absolute altitude is built.This improves independence and the privacy of building on the one hand, adds level and the diversity of community scenery, meets the demand of people to dwelling environment; Also a new difficult problem is proposed to building anti-floating but then.During design, if traditionally design hydrostatic water table (i.e. city peak level and town road absolute altitude high value) to carry out building Anti-floating design, due to the effect on banqette slope, very easily occur that when heavy rain is attacked at this moment building may produce protuberance floating thus jeopardize safety because water buoyancy is excessive because draining causes water in soil position higher than the situation of design hydrostatic water table not in time; If adopt comparatively conservative design hydrostatic water table (namely piling slope finished surface absolute altitude), will increase the water buoyancy suffered by building artificially, greatly increase the integral constructing cost of building, this can cause larger waste and very unreasonable.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, a kind of building structure reducing heap slope architectural design hydrostatic water table is provided, solving in prior art middle draining of banketing causes water in soil position higher than design hydrostatic water table not in time, affects the technical problem of building safety.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of building structure reducing heap slope architectural design hydrostatic water table, it is characterized in that, comprise be tightly connected with building basement outer wall and be not less than the water barrier that town road absolute altitude place arranges, the far and near two ends of described water barrier respectively arrange one french drain, and described french drain is connected with municipal catch-basin.Described water barrier is formed by stacking by waterproofing course, lower floor's drainage geotextiles, filtration beds, upper strata drainage geotextiles four layers from bottom to top.
Described waterproofing course is the thick C25 waterproof concrete of 60mm.
Described filtration beds is the thick gravel packing of 300mm.
The bottom of described french drain connects rain pipe every a segment distance, and french drain is connected with municipal catch-basin by described rain pipe.
Described water barrier edge is away from the downward-sloping tiling in building basement direction.
The structure of described water barrier looks for the slope gradient to be: 2% ~ 5%.
Described water barrier is located on compacting element soil and sandstone.
Compared with prior art, the present invention reaches
beneficial effect is: the present invention is provided with water barrier and french drain in common ground bankets, not only effectively cut off levels water body, the water body of more than water barrier can also be drained fast, make the head height of water buoyancy suffered by basement unlikely higher than water barrier absolute altitude when very heavy rains, thus the hydrostatic water table adopted when reducing architectural design, constructional materials and construction cost is significantly reduced when guaranteeing building safety; Meanwhile, the water barrier in this inventive method can select water proof material with suiting measures to local conditions according to various places situation, to create larger economic benefit.Simple structure of the present invention, cheap, easy construction, can be widely used in all kinds of heap slope building.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of water barrier in Fig. 1.
In figure: 1, water barrier; 1a, waterproofing course; 1b, lower floor's drainage geotextiles; 1c, filtration beds; 1d, upper strata drainage geotextiles; 2, french drain; 3, building basement; 4, rain pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, reduce the building structure of heap slope architectural design hydrostatic water table, comprise the water barrier 1 be tightly connected with building basement 3 outer wall, the height of water barrier 1 is not less than town road absolute altitude.Compacting element soil and sandstone is laid, to ensure that water barrier 1 keeps stable when the upper strata soil body backfills bottom water barrier 1.The compacted coefficient preferably 0.9 of compacting element soil, sandstone is selected the thick rubble of 100mm or brickbat and is poured into 1:5 cement mortar.Water barrier 1 is along away from the downward-sloping tiling in building basement 3 direction, and the structure of water barrier 1 looks for the slope gradient to be: 2% ~ 5%, and optimum structure looks for the slope gradient to be 3%.
The far and near two ends of water barrier 1 respectively arrange one french drain 2, and the bottom of french drain 2 connects rain pipe 4 every a segment distance, and french drain 2 is connected with municipal catch-basin by rain pipe 4, and after enabling heavy rain, the water body of water barrier more than 1 is drained fast.During construction, to the distance at heap edge, slope and the heap slope gradient, the coverage that water barrier 1 is set can be determined by chamber outer wall under base area; According to around town road absolute altitude, determine the absolute altitude that water barrier 1 is arranged; According to the amount of precipitation that local 50 years meet, determine the cross dimensions of french drain 2 and the caliber of rain pipe 4 and spacing through calculating.
As shown in Figure 2, water barrier 1 is formed by stacking by waterproofing course 1a, lower floor drainage geotextiles 1b, filtration beds 1c, upper strata drainage geotextiles 1d tetra-layers from bottom to top.Waterproofing course 1a selects the thick C25 waterproof concrete of 60mm, effectively can cut off the water body of levels, ensures that the head of water barrier 1 bottom water body is no more than water barrier 1 absolute altitude.Filtration beds 1c selects the thick gravel packing of 300mm.Lower floor drainage geotextiles 1b, gravel packing, upper strata drainage geotextiles 1d can the impurity that bring of filtering storm seepage, ensure the smooth and easy of draining.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (8)
1. one kind is reduced the building structure of heap slope architectural design hydrostatic water table, it is characterized in that, comprise be tightly connected with building basement outer wall and be not less than the water barrier that town road absolute altitude place arranges, the far and near two ends of described water barrier respectively arrange one french drain, and described french drain is connected with municipal catch-basin.
2. the building structure reducing heap slope architectural design hydrostatic water table according to claim 1, it is characterized in that, described water barrier is formed by stacking by waterproofing course, lower floor's drainage geotextiles, filtration beds, upper strata drainage geotextiles four layers from bottom to top.
3. the building structure reducing heap slope architectural design hydrostatic water table according to claim 2, it is characterized in that, described waterproofing course is the thick C25 waterproof concrete of 60mm.
4. the building structure reducing heap slope architectural design hydrostatic water table according to claim 2, it is characterized in that, described filtration beds is the thick gravel packing of 300mm.
5. the building structure reducing heap slope architectural design hydrostatic water table according to claim 1, is characterized in that, the bottom of described french drain connects rain pipe every a segment distance, and french drain is connected with municipal catch-basin by described rain pipe.
6. the building structure reducing heap slope architectural design hydrostatic water table according to claim 1, is characterized in that, described water barrier edge is away from the downward-sloping tiling in building basement direction.
7. the building structure reducing heap slope architectural design hydrostatic water table according to claim 6, is characterized in that, the structure of described water barrier looks for the slope gradient to be: 2% ~ 5%.
8. the building structure reducing heap slope architectural design hydrostatic water table according to claim 1, is characterized in that, described water barrier is located on compacting element soil and sandstone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912405.7A CN105544621A (en) | 2015-12-11 | 2015-12-11 | Building structure for lowering designed anti-floating water level of heap slope building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510912405.7A CN105544621A (en) | 2015-12-11 | 2015-12-11 | Building structure for lowering designed anti-floating water level of heap slope building |
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| CN105544621A true CN105544621A (en) | 2016-05-04 |
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| CN201510912405.7A Pending CN105544621A (en) | 2015-12-11 | 2015-12-11 | Building structure for lowering designed anti-floating water level of heap slope building |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832288A (en) * | 2021-01-05 | 2021-05-25 | 厦门中建东北设计院有限公司 | Anti-floating structure of sloping field building basement and construction method thereof |
| CN113175005A (en) * | 2021-04-29 | 2021-07-27 | 山东金城建设有限公司 | Anti-floating design and construction method for waterproof bottom plate of underground garage in rainstorm period |
| CN114319402A (en) * | 2022-01-10 | 2022-04-12 | 福建众合开发建筑设计院有限公司 | Blind ditch design method for underground construction engineering |
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| CN203066124U (en) * | 2013-05-13 | 2013-07-17 | 上海三益建筑设计有限公司 | Underground water level control system |
| CN104196046A (en) * | 2014-08-30 | 2014-12-10 | 上海联境建筑工程设计有限公司 | Water resisting and draining system for lowering underground anti-floating water level |
| CN204080879U (en) * | 2014-08-29 | 2015-01-07 | 上海建工七建集团有限公司 | Basement bottom board anti-floating water draw-off |
| JP2015151789A (en) * | 2014-02-17 | 2015-08-24 | 強化土株式会社 | Liquefaction control device and liquefaction control method |
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2015
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Patent Citations (6)
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| CN202627032U (en) * | 2012-05-30 | 2012-12-26 | 福建省泷澄建设集团有限公司 | Buoyancy release system for deep foundation slab |
| 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 |
| CN203066124U (en) * | 2013-05-13 | 2013-07-17 | 上海三益建筑设计有限公司 | Underground water level control system |
| JP2015151789A (en) * | 2014-02-17 | 2015-08-24 | 強化土株式会社 | Liquefaction control device and liquefaction control method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832288A (en) * | 2021-01-05 | 2021-05-25 | 厦门中建东北设计院有限公司 | Anti-floating structure of sloping field building basement and construction method thereof |
| CN113175005A (en) * | 2021-04-29 | 2021-07-27 | 山东金城建设有限公司 | Anti-floating design and construction method for waterproof bottom plate of underground garage in rainstorm period |
| CN113175005B (en) * | 2021-04-29 | 2022-05-20 | 山东金城建设有限公司 | Anti-floating design and construction method for waterproof bottom plate of underground garage in rainstorm period |
| CN114319402A (en) * | 2022-01-10 | 2022-04-12 | 福建众合开发建筑设计院有限公司 | Blind ditch design method for underground construction engineering |
| CN114319402B (en) * | 2022-01-10 | 2024-01-30 | 福建众合开发建筑设计院有限公司 | Blind ditch design method for underground construction engineering |
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Application publication date: 20160504 |