CN103114605A - Anti-seepage drainage layer structure and construction method - Google Patents
Anti-seepage drainage layer structure and construction method Download PDFInfo
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- CN103114605A CN103114605A CN2013100771118A CN201310077111A CN103114605A CN 103114605 A CN103114605 A CN 103114605A CN 2013100771118 A CN2013100771118 A CN 2013100771118A CN 201310077111 A CN201310077111 A CN 201310077111A CN 103114605 A CN103114605 A CN 103114605A
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- collecting well
- drainage blanket
- basement
- gutter
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Abstract
The invention discloses an anti-seepage drainage layer structure and a construction method. The construction method comprises the following steps: a water-resistant bottom plate is formed in a basement in a pouring mode, and a water collecting well is reserved on the water-resistant bottom plate of the basement, wherein the side wall of the water collecting well are integrally and synchronously formed with the water-resistant bottom plate of the basement in the pouring mode; multiple water drainage pipes are pre-buried in the side wall of the water collecting well according to the height design; a drainage layer is laid on the water-resistant bottom plate of the basement, wherein a first end of each water drainage pipe is connected with the water drainage layer, and a second end of each water drainage pipe is connected with the water collecting well; and a reinforced concrete top plate is arranged on the water drainage layer in a pouring mode and connected with the side wall of the water collecting well. According to the anti-seepage drainage layer structure and the construction method, the drainage layer is arranged between the water-resistant bottom plate of the basement and the reinforced concrete top plate and used for enabling water seepage inside a floor of the basement to be drained and flow into the water collecting well, formed on the water-resistant bottom plate of the basement, through the water drainage layer, and therefore a preventive measure is taken for preventing trouble before the trouble happens, and the seepage problem of floor of the basement can be effectively resolved.
Description
Technical field
The present invention relates to the basement bottom board antiseepage of the realm of building construction, especially a kind of antiseepage drainage blanket structure and job practices.
Background technology
Present exploitation along with the underground space, the progressively raising of people's living standard, to the environment proposition high requirement in underground space, basement bottom board affects due to factors such as being subjected to foundation uneven settlement, groundwater pressure, Seepage can occur, bring worry for people's work, life.Given this, in conjunction with the antiseep correlation technique, in line with the principle of the comprehensive regulation, need to adopt a kind of structure way of innovation, the impact that makes the sole plate seepage cause environment drops to minimum.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of antiseepage drainage blanket structure and job practices of utilizing hydrophobic mode effectively to mediate the basement bottom board leakage problems.
For realizing above-mentioned technique effect, the invention discloses a kind of antiseepage drainage blanket job practices, described job practices comprises the following steps:
Pour into a mould a basement water resistant base plate, and reserve collecting well in described basement water resistant base plate, synchronize the sidewall of the described collecting well of monobloc cast with described basement water resistant base plate;
According to design height, pre-buried plural gutter in the sidewall of described collecting well;
Lay a drainage blanket on described basement water resistant base plate, the first end of described gutter connects described drainage blanket, and the second end of described gutter connects described collecting well;
In described drainage blanket upper one roof support with reinforced concrete, described roof support with reinforced concrete connects the sidewall of described collecting well.
Described job practices is further improved and is, before the described roof support with reinforced concrete of cast, tries the water in advance, and is unimpeded to guarantee draining, and lays in advance layer of plastic film on described drainage blanket.
Described job practices is further improved and is, before laying described drainage blanket, lays in advance a drainage pipeline networks in the surrounding of described collecting well, and described drainage pipeline networks connects the first end of described gutter.
Described job practices is further improved and is, when the described basement water resistant base plate of cast, reserves a catchment recess in the surrounding of described collecting well, and makes the first end of the follow-up described gutter of burying underground connect described catchment recess.
The invention also discloses a kind of antiseepage drainage blanket structure, comprising:
One roof support with reinforced concrete;
One basement water resistant base plate offers collecting well on described basement water resistant base plate, and the sidewall of described collecting well extends upward and connects described roof support with reinforced concrete;
One drainage blanket, described drainage blanket are located between the sidewall of described collecting well, described roof support with reinforced concrete and described basement water resistant base plate;
The plural number gutter, described gutter is embedded on the sidewall of described collecting well, and the first end of described gutter connects described drainage blanket, and the second end of described gutter connects described collecting well.
Described structure is further improved and is, is provided with layer of plastic film between described drainage blanket and described roof support with reinforced concrete and is separated by.
Described structure is further improved and is, is provided with a drainage pipeline networks along the surrounding of described collecting well in described drainage blanket, and described drainage pipeline networks connects the first end of described gutter.
Described structure is further improved and is, described drainage pipeline networks is provided with a plurality of water-guiding holes, and described drainage pipeline networks is provided with the position of described water-guiding hole and adopts double-deck geotextiles to wrap up.
Described structure is further improved and is, offers a catchment recess along the surrounding of described collecting well on described basement water resistant base plate, and described catchment recess connects described drainage blanket, and the first end of described gutter connects described catchment recess.
Described structure is further improved and is, the material of described drainage blanket comprises coarse sand and rubble, and the grating ratio of coarse sand and rubble is as follows:
The fineness modulus of coarse sand: μ
f=3.7～3.1, mud content≤1.0%;
The simple grain grating of rubble: 20～40mm, mud content≤0.5%.
The present invention is owing to having adopted above technical scheme, make it have following beneficial effect to be: utilize a drainage blanket is set between basement water resistant base plate and roof support with reinforced concrete, infiltration in basement bottom board can be flow in the collecting well of offering on basement water resistant base plate by this drainage blanket is thin, prevent trouble before it happens, effectively solve the leakage problems of basement bottom board.
Description of drawings
Fig. 1 is the structural representation of antiseepage drainage blanket structure the first better embodiment of the present invention.
Fig. 2 is the connection diagram of antiseepage drainage blanket structure of the present invention and foundation platform.
Fig. 3 is the structural representation of antiseepage drainage blanket structure the second better embodiment of the present invention.
The specific embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
At first consult shown in Figure 1ly, antiseepage drainage blanket structure 1 of the present invention mainly is made of a roof support with reinforced concrete 11, a basement water resistant base plate 12, a drainage blanket 13 and plural gutter 14.As shown in Figure 2, roof support with reinforced concrete 11 adopts strength grade to be not less than the pouring concrete of C30, configuration double-layer double-direction reinforcing bar 111, specification is ф 10@200mm, when roof support with reinforced concrete 11 intersected with foundation platform 2, roof support with reinforced concrete 11 should together be built with the concrete of foundation platform 2 intersection.The relevant position of basement water resistant base plate 12 offers a collecting well 15, the sidewall 150 of collecting well 15 extends upward connecting reinforcement concrete roof 11, drainage blanket 13 is located between sidewall 150, roof support with reinforced concrete 11 and the basement water resistant base plate 12 of collecting well 15, surrounding along collecting well 15 is provided with a drainage pipeline networks (being sign in figure) in drainage blanket 13, gutter 14 is embedded on the sidewall 150 of collecting well 15 surroundings, the drainage pipeline networks that the first end 141 of gutter 14 connects in drainage blanket 13, the second end 142 of gutter 14 connects collecting well 15.Wherein, drainage blanket 13 can adopt grating cobble drainage blanket also can be comprised of coarse sand, rubble, and the grating ratio of the drainage blanket 13 that is comprised of coarse sand, rubble is as follows:
The fineness modulus of coarse sand: μ
f=3.7～3.1, mud content≤1.0%;
The simple grain grating of rubble: 20～40mm, mud content≤0.5%.
The job practices of the drainage blanket 13 that is formed by coarse sand, rubble: lay one deck rubble, then fill up rubble space and the compacting of watering with coarse sand, re-lay one deck rubble, then fill up rubble space and the compacting of watering with coarse sand, so analogize, until fill up drainage blanket 13 thickness.The backfill coefficient of consolidation of drainage blanket 13 is not less than 0.97.
need not when the ground drainage system is fairly simple in addition at the interior drainage pipeline networks that arranges of drainage blanket 13, in conjunction with shown in Figure 3, surrounding along collecting well 15 offers a catchment recess 16 on basement water resistant base plate 12, catchment recess 16 sets in advance when cast basement water resistant base plate 12, catchment recess 6 connects drainage blanket 13, collect the infiltration in drainage blanket 13, the first end 141 of gutter 14 connects catchment recess 16, the second end 142 of gutter 14 connects collecting well 15, infiltration is pooled in collecting well 15, go the mode of tradition " blocking up " in the replacement floor treating seepage with the theory of " dredging ", prevent trouble before it happens.
Antiseepage drainage blanket job practices of the present invention is specific as follows:
Cast basement water resistant base plate 12, and reserve collecting well 15 in the relevant position of basement water resistant base plate 12, extend upward the sidewall 150 of collecting well 15, the concrete of collecting well 15 sidewalls 150 carries out disposable integral with the concrete of basement water resistant base plate 12 builds, and sidewall 150 thickness are not less than 200mm;
According to design height, in the interior pre-buried plural gutter 14 of the sidewall 150 of collecting well 15 surroundings;
lay in advance drainage pipeline networks in the surrounding of collecting well 15 when the drainage system more complicated of ground, drainage pipeline networks is connected with the first end 141 of gutter 14, to seep water by drainage pipeline networks and be pooled in collecting well 15 after collecting, drainage pipeline networks is provided with a plurality of water-guiding holes (not indicating in figure), be beneficial to and be pooled in drainage pipeline networks infiltration and the unified collecting well 15 that imports, drainage pipeline networks is provided with the position of water-guiding hole and adopts double-deck geotextiles to wrap up, can prevent the coarse sand of drainage blanket 13 inside, the less particles such as rubble of particle diameter are along with seepage flow enters drainage pipeline networks, drainage pipeline networks needs before laying first with double-deck geotextiles parcel, grating coarse sand with drainage blanket 13 inside that prevent follow-up construction, rubbles etc. have the situation of soil erosion,
In drainage blanket 13 upper roof support with reinforced concretes 11, roof support with reinforced concrete 11 connects the sidewall 150 of collecting well 15.
By job practices of the present invention, can better solve the basement bottom board leakage problems, go in the replacement floor treating seepage mode of tradition " blocking up " with the theory of " dredging ", accomplish to prevent trouble before it happens, in ground foundation engineering from now on, have wide promotion prospect.
Below embodiment has been described in detail the present invention by reference to the accompanying drawings, and those skilled in the art can make the many variations example to the present invention according to the above description.Thereby some details in embodiment should not consist of limitation of the invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (10)
1. antiseepage drainage blanket job practices is characterized in that described job practices comprises the following steps:
Pour into a mould a basement water resistant base plate, and reserve collecting well in described basement water resistant base plate, synchronize the sidewall of the described collecting well of monobloc cast with described basement water resistant base plate;
According to design height, pre-buried plural gutter in the sidewall of described collecting well;
Lay a drainage blanket on described basement water resistant base plate, the first end of described gutter connects described drainage blanket, and the second end of described gutter connects described collecting well;
In described drainage blanket upper one roof support with reinforced concrete, described roof support with reinforced concrete connects the sidewall of described collecting well.
2. job practices as claimed in claim 1, is characterized in that: before the described roof support with reinforced concrete of cast, try the water in advance, and lay in advance layer of plastic film on described drainage blanket.
3. job practices as claimed in claim 2, is characterized in that: before laying described drainage blanket, lay in advance a drainage pipeline networks in the surrounding of described collecting well, the first end of the described gutter of described drainage pipeline networks connection.
4. job practices as claimed in claim 2, is characterized in that: when the described basement water resistant base plate of cast, reserve a catchment recess in the surrounding of described collecting well, and make the first end of the follow-up described gutter of burying underground connect described catchment recess.
5. antiseepage drainage blanket structure is characterized in that described structure comprises:
One roof support with reinforced concrete;
One basement water resistant base plate offers collecting well on described basement water resistant base plate, and the sidewall of described collecting well extends upward and connects described roof support with reinforced concrete;
One drainage blanket, described drainage blanket are located between the sidewall of described collecting well, described roof support with reinforced concrete and described basement water resistant base plate;
The plural number gutter, described gutter is embedded on the sidewall of described collecting well, and the first end of described gutter connects described drainage blanket, and the second end of described gutter connects described collecting well.
6. structure as claimed in claim 5, is characterized in that: be provided with layer of plastic film between described drainage blanket and described roof support with reinforced concrete and be separated by.
7. structure as claimed in claim 6, it is characterized in that: the surrounding along described collecting well is provided with a drainage pipeline networks in described drainage blanket, and described drainage pipeline networks connects the first end of described gutter.
8. structure as claimed in claim 7, it is characterized in that: described drainage pipeline networks is provided with a plurality of water-guiding holes, and described drainage pipeline networks is provided with the position of described water-guiding hole and adopts double-deck geotextiles to wrap up.
9. structure as claimed in claim 6, it is characterized in that: the surrounding along described collecting well offers a catchment recess on described basement water resistant base plate, and described catchment recess connects described drainage blanket, and the first end of described gutter connects described catchment recess.
10. structure as described in any one in claim 8 or 9, it is characterized in that: the material of described drainage blanket comprises coarse sand and rubble, the grating ratio of coarse sand and rubble is as follows:
The fineness modulus of coarse sand: μ f=3.7～3.1, mud content≤1.0%;
The simple grain grating of rubble: 20～40mm, mud content≤0.5%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310077111.8A CN103114605B (en) | 2013-03-12 | 2013-03-12 | Anti-seepage drainage layer structure and construction method |
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| CN201310077111.8A CN103114605B (en) | 2013-03-12 | 2013-03-12 | Anti-seepage drainage layer structure and construction method |
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| CN103114605A true CN103114605A (en) | 2013-05-22 |
| CN103114605B CN103114605B (en) | 2015-12-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821181A (en) * | 2014-02-28 | 2014-05-28 | 中天建设集团有限公司 | Basement bottom plate water drainage layer construction method |
| CN104831751A (en) * | 2015-04-15 | 2015-08-12 | 中国建筑第八工程局有限公司 | Base plate layered pouring method for reducing gushing risk confined water under high confined water head |
| CN105201002A (en) * | 2015-10-23 | 2015-12-30 | 金磐集团有限公司 | Underground structure seepage drainage system and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100601227B1 (en) * | 2004-07-21 | 2006-07-19 | 홍종인 | Draining apparatus for draining underground water having reduced water- overflow places |
| CN101705691A (en) * | 2009-10-30 | 2010-05-12 | 南通建工集团股份有限公司 | Construction method of dewatering well under foundation slab in foundation pit |
| CN201593203U (en) * | 2010-01-25 | 2010-09-29 | 江苏双楼建设集团有限公司 | Hiddenly-distributed seepage-proof water guiding system of baseboard of basement |
| CN201762733U (en) * | 2010-08-26 | 2011-03-16 | 中国京冶工程技术有限公司 | Controllable decompression drainage floatation-resistant structure of building base |
-
2013
- 2013-03-12 CN CN201310077111.8A patent/CN103114605B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100601227B1 (en) * | 2004-07-21 | 2006-07-19 | 홍종인 | Draining apparatus for draining underground water having reduced water- overflow places |
| CN101705691A (en) * | 2009-10-30 | 2010-05-12 | 南通建工集团股份有限公司 | Construction method of dewatering well under foundation slab in foundation pit |
| CN201593203U (en) * | 2010-01-25 | 2010-09-29 | 江苏双楼建设集团有限公司 | Hiddenly-distributed seepage-proof water guiding system of baseboard of basement |
| CN201762733U (en) * | 2010-08-26 | 2011-03-16 | 中国京冶工程技术有限公司 | Controllable decompression drainage floatation-resistant structure of building base |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821181A (en) * | 2014-02-28 | 2014-05-28 | 中天建设集团有限公司 | Basement bottom plate water drainage layer construction method |
| CN104831751A (en) * | 2015-04-15 | 2015-08-12 | 中国建筑第八工程局有限公司 | Base plate layered pouring method for reducing gushing risk confined water under high confined water head |
| CN105201002A (en) * | 2015-10-23 | 2015-12-30 | 金磐集团有限公司 | Underground structure seepage drainage system and construction method thereof |
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| CN103114605B (en) | 2015-12-09 |
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