CN102051885A - Process for absorbing and discharging water under deep foundation concrete - Google Patents
Process for absorbing and discharging water under deep foundation concrete Download PDFInfo
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- CN102051885A CN102051885A CN2009102134372A CN200910213437A CN102051885A CN 102051885 A CN102051885 A CN 102051885A CN 2009102134372 A CN2009102134372 A CN 2009102134372A CN 200910213437 A CN200910213437 A CN 200910213437A CN 102051885 A CN102051885 A CN 102051885A
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Abstract
The invention relates to a process for absorbing and discharging water under deep foundation concrete. In the known process of pouring construction for deep foundation concrete of the buildings, the foundation concrete construction is easily influenced by the underground water leakage, and if the water leaks into the cast-in-situ concrete layer, the water cement ratio is influenced so as to affect the concrete coagulating power and the anti-leakage property and lower the quality of the foundation concrete. In the process provided by the invention, a sandstone water-filter layer is arranged before the foundation concrete is poured, proper criss-cross shallow ridges are dug and filled with gravels so as to form blind channels, and then a water-collecting well having a certain depth is dug at the crossed point of the blind channels and is communicated with the blind channels, and the gravels are filled on the bottom of the well so as to form a water-filtering discharging system under concrete, wherein a steel pipe having a water-stop ring is arranged in a sump pit; the lower part of the steel pipe is provided with honeycomb holes so as to filter water into the pipe; and a micro-suction pump is arranged in the pipe so as to absorb and discharge all the underground leaked water out of the foundation pit. The process provided by the invention has the advantages of reliable principle, low cost, obvious effect, safety and reliability, and is simple in operation.
Description
Technical field
The present invention relates to suction water system technology under a kind of deep foundation concrete (concrete), be applicable to the draining of the underground infiltration of deep foundation, belong to technical field of civil engineering.
Background technology
In the deep foundation building construction processes such as known housing basement, bridge, tunnel, underground buried object, usually run into underground seepage problem, if underground infiltration can not in time scientifically be discharged, gently then influence construction speed, heavy then in concrete slurry, change the coagulability that physical arrangement influences concrete because of infiltration, reduce workmanship, even bury the hidden danger of continuous infiltration when using for later engineering.Generally speaking, unit in charge of construction adopts the very dark refreshing water in open drain of excavation around the basic concrete of preparing to build, and middle part is then beaten some deep-well drainages, and artificial or machinery is discharged outside the foundation ditch.The defective of this method is: the one, increase huge construction working amount, excavate the open drain all around, just must increase excavation area, the volume of foundation ditch, strengthen earthwork excavated volume, wound is opened enough work planes and position, open drain around foundation ditch, so just increases the foundation pit construction amount about 15%; The 2nd, reduce workmanship, the deep-well filter underground water of beating more, will influence deep-well geologic structure on every side, thereby have influence on the holding capacity of concrete foundation, when draining finishes the rear enclosed well head, because of not finishing at one time with mass-type foundation, certainly will influence the base integral structural capacity, be easy to generate problems such as settlement crack, infiltration; The 3rd, strengthen unsafe factor, trench digging adds water movement, erosion around the pit foundation, certainly will influence the safety of foundation pit walls, the accident that causes foundation ditch to cave in threatens constructor's life security.Thereby people wish to have a kind of technology that can overcome above-mentioned defective to come out.
Summary of the invention:
For solving the problem of the underground infiltration of deep foundation, the invention provides a kind of underground infiltration draining water technology under basic concrete.
Technical scheme of the present invention is by the rubble filtering layer, the pumping system that water system and steel sleeve, suction pump are formed under the concrete that rubble french drain, rubble collecting well are formed.Filtering layer absorbs the underground infiltration of whole foundation ditch comprehensively, and french drain is guided to collecting well with infiltration, by the suction pump in the steel sleeve in the collecting well ponding is discharged outside the foundation ditch.
The present invention has that principle is reliable, simple in structure, easy construction, with low cost, safe and reliable, guarantee advantage such as workmanship.It is characterized in that basic concrete layer to have water guide french drain, drainage layer, is to be provided with steel sleeve in the collecting well, be that steel sleeve and concrete base contact position do not have seal ring, the lower end wall of steel sleeve is provided with honeycomb hole.
Description of drawings:
Accompanying drawing 1: be suction water system schematic diagram under the concrete
Accompanying drawing 2: be suction water system elevation under the concrete
1 is the rubble filtering layer in the accompanying drawing; The 2nd, the water guide french drain; The 3rd, collecting well; The 4th, steel sleeve; The 5th, concrete; The 6th, suction pump; The 7th, seal ring; The 8th, honeycomb hole
Specific implementation method
Lay 10-20 centimetre of hardcore bed in foundation bottom and make filtering layer 1,10-20 centimetre of dark, 30 centimetres of wide gutters of addressing excavation under the bed course, fill out rubble in the ditch as the blind ditch 2 of water guide, french drain can move towards to arrange at the bottom of beam in conjunction with basic reversed beam, in position deep-cut collecting well 3, be communicated with french drain, rubble is filled out by down-hole portion.All laying graded sand above the rubbles, mud leaks down and stops up filtering layer and french drain influence infiltration motion when preventing concreting.At the embedding steel sleeve 4 of sump, recessed about 5 centimetres of sleeve pipe concrete suitable for reading and basic plane, shutoff after being convenient to, the bottom weldering seal ring 7 of sleeve pipe and concrete contact position, thick 3-5 millimeter, ring width is more than 40 millimeters, after concreting, seal ring can stop that ponding is along oozing on the casing wall in the hole.Sleeve pipe lower end, filtering layer puncture cellular aperture 8 with the lower part, in ponding filter inlet pipe in the well.In pipe, place miniature suction pump 6, not stop pumping row ponding, with control underground water not overflow to base concrete, assurance concrete construction and quality thereof.Base concrete has been built more than 10 hours and has been stopped pumping, and it is general to allow infiltration go up, and plays the effect of maintenance concrete.Treat that concrete reaches the design strength requirement, drain ponding, take out suction pump, with pipe plug or quick cement concrete sleeve pipe is shut, and sleeve pipe top pit is filled and led up.
Claims (3)
1. a deep foundation concrete (concrete) descends suction underground water technology, and rubble filtering layer, collecting well, suction pump below basic concrete are formed, and it is characterized in that basic concrete layer is to have water guide french drain, drainage layer.
2. suction underground water technology is characterized in that being provided with in the collecting well steel sleeve under a kind of deep foundation concrete according to claim 1.
3. according to suction underground water technology under claim and the 2 described a kind of deep foundation concretes, its feature is that also the bottom that steel sleeve contacts with concrete is provided with seal ring; On the lower end wall of steel sleeve honeycomb hole is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102134372A CN102051885A (en) | 2009-10-27 | 2009-10-27 | Process for absorbing and discharging water under deep foundation concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102134372A CN102051885A (en) | 2009-10-27 | 2009-10-27 | Process for absorbing and discharging water under deep foundation concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102051885A true CN102051885A (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102134372A Pending CN102051885A (en) | 2009-10-27 | 2009-10-27 | Process for absorbing and discharging water under deep foundation concrete |
Country Status (1)
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| CN (1) | CN102051885A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433886A (en) * | 2011-09-27 | 2012-05-02 | 天津住宅集团建设工程总承包有限公司 | Construction method for adding water lowering well in water collecting well |
| CN103174213A (en) * | 2013-03-27 | 2013-06-26 | 鞍钢股份有限公司 | Method and device of treating water seepage of underground cable sleeve |
| CN103174154A (en) * | 2013-03-21 | 2013-06-26 | 东莞市彩丽建筑维护技术有限公司 | Underground building bottom plate water burst well pit solid seal method and auxiliary water lowering device |
| CN103410564A (en) * | 2013-08-29 | 2013-11-27 | 中南大学 | Tunnel water gushing treatment structure and construction method thereof |
| CN103967015A (en) * | 2014-05-21 | 2014-08-06 | 刘绍国 | Water-stopping deep foundation pit excavation method and structure thereof |
| CN104863168A (en) * | 2015-04-30 | 2015-08-26 | 中冶天工上海十三冶建设有限公司 | Hydrophobic device on lower part of basic baseplate and usage method of same |
| CN111608193A (en) * | 2020-06-08 | 2020-09-01 | 扬州工业职业技术学院 | Foundation ditch gushes water rapid treatment device |
| CN113463670A (en) * | 2021-09-02 | 2021-10-01 | 中铁十八局集团第五工程有限公司 | Water pumping and draining method and water pumping and draining structure for deep foundation pit bottom plate construction |
| CN114855846A (en) * | 2022-06-08 | 2022-08-05 | 贵州建工兴印建筑工程有限公司 | Underground seepage-proofing pressure-reducing anti-floating blind pipe structure and construction method thereof |
-
2009
- 2009-10-27 CN CN2009102134372A patent/CN102051885A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433886A (en) * | 2011-09-27 | 2012-05-02 | 天津住宅集团建设工程总承包有限公司 | Construction method for adding water lowering well in water collecting well |
| CN103174154A (en) * | 2013-03-21 | 2013-06-26 | 东莞市彩丽建筑维护技术有限公司 | Underground building bottom plate water burst well pit solid seal method and auxiliary water lowering device |
| CN103174213A (en) * | 2013-03-27 | 2013-06-26 | 鞍钢股份有限公司 | Method and device of treating water seepage of underground cable sleeve |
| CN103410564A (en) * | 2013-08-29 | 2013-11-27 | 中南大学 | Tunnel water gushing treatment structure and construction method thereof |
| CN103410564B (en) * | 2013-08-29 | 2016-04-06 | 中南大学 | A kind of Tunnel Gushing treatment structures and construction method thereof |
| CN103967015A (en) * | 2014-05-21 | 2014-08-06 | 刘绍国 | Water-stopping deep foundation pit excavation method and structure thereof |
| CN103967015B (en) * | 2014-05-21 | 2016-04-27 | 刘绍国 | A kind of water seal for deep foundation pit excavation method and structure thereof |
| CN104863168A (en) * | 2015-04-30 | 2015-08-26 | 中冶天工上海十三冶建设有限公司 | Hydrophobic device on lower part of basic baseplate and usage method of same |
| CN111608193A (en) * | 2020-06-08 | 2020-09-01 | 扬州工业职业技术学院 | Foundation ditch gushes water rapid treatment device |
| CN111608193B (en) * | 2020-06-08 | 2021-12-31 | 扬州工业职业技术学院 | Foundation ditch gushes water rapid treatment device |
| CN113463670A (en) * | 2021-09-02 | 2021-10-01 | 中铁十八局集团第五工程有限公司 | Water pumping and draining method and water pumping and draining structure for deep foundation pit bottom plate construction |
| CN114855846A (en) * | 2022-06-08 | 2022-08-05 | 贵州建工兴印建筑工程有限公司 | Underground seepage-proofing pressure-reducing anti-floating blind pipe structure and construction method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110511 |