CN101498136A - After-pouring strips structure with high underground water level - Google Patents
After-pouring strips structure with high underground water level Download PDFInfo
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- CN101498136A CN101498136A CNA2008100184387A CN200810018438A CN101498136A CN 101498136 A CN101498136 A CN 101498136A CN A2008100184387 A CNA2008100184387 A CN A2008100184387A CN 200810018438 A CN200810018438 A CN 200810018438A CN 101498136 A CN101498136 A CN 101498136A
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Abstract
The invention relates to a latter pouring belt structure with higher underground water level. The latter pouring belt structure is characterized by comprising a fine aggregate concrete bedding course, a cement mortar leveling course, a waterproof additional course, waterproof coiled materials, a cement mortar leveling course, a concrete reinforced course, a thick latter pouring belt reinforced course and a latter pouring belt of a basement base plate from bottom to top; five layers on the lower side are formed by downwards settling side structures of the latter pouring belt; the gap between the settling plane and the latter pouring belt of the basement base plate is filled by the concrete reinforced course and the latter pouring belt reinforced course; and reinforced steel bars are arranged in the concrete reinforced course, the basement base plate and the latter pouring belt of the basement base plate. The invention overcomes the influence of the pressure of groundwater on the waterproof performance of the latter pouring belt which is retained for a long time and solves the problem of the corrosion to the reinforced steel bars on the lower layer of the base plate due to the water logging of the latter pouring belt by the prior method; the latter pouring belt part is subjected to deep treatment, as long as mortar or cement does not immerse the effective section of the base plate, any treatment cannot be carried out, so the cleaning time before back pouring by the prior latter pouring belt method is shortened.
Description
Technical field
The present invention relates to the ater-casting structure in a kind of construction work, especially relate to the higher ater-casting structure of a kind of groundwater table, belong to construction engineering technical field.
Background technology
The loftiest towers are built up from the ground, must see that also the ground jail is or not! The basis is to building, and particularly high building is extremely important.In high-rise building, because the needs of function and moulding often connect together high-rise main building and low layer annex, annex has surrounded the major part of main building.From traditional structure viewpoint, to wish high level and group building are thrown off, this just need establish deformation joint; But see and do not wish to establish seam from building requirements.Twin beams, twin columns, Shuan Qiang can occur because establish seam, plane figure is limited to, the ater-casting method of therefore constructing is just arisen at the historic moment.The ater-casting is the waterproof of very important a ring, especially ater-casting in ground, and the waterproof of ater-casting is in a single day destroyed, can't repair, and becomes permanent hidden danger.In the higher zone of groundwater table, waterproof is particularly important.The ater-casting be top out at main building, after sedimentation tends towards stability, it is longer just can to build the time of being detained, very unfavorable to waterproofing protection.In the higher zone of groundwater table, because basic floor space is big,, watered after the well point is sealed in the middle of the bed course though adopted well-points dewatering, phreatic pressure will increase gradually.Because ater-casting time of being detained is longer, damages so phreatic pressure will be located waterproof to the ater-casting.Because ater-casting time of being detained is longer, so the waterproofing protection of base plate lower floor reinforcing bar is very difficult, what have just leaves it to chance, and the result brings hidden danger to engineering.In addition, according to former construction actual conditions, cleaning before the teeming of ater-casting is a very thing of headache, because generally after bottom plate rear pouring tape has been constructed, cover, in the main body construction process, cannot say for sure not have mortar, concrete flow in the ater-casting, so in case cleaning in time of ignorance will bring very big difficulty for later cleaning.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of preceding cleaning work of ater-casting teeming that reduces, effectively solve influence, solution conventional way ater-casting ponding to the groundwater table of the etching problem of the base plate lower floor reinforcing bar higher ater-casting structure of groundwater pressure the ater-casting waterproof of being detained for a long time.
For achieving the above object, the present invention is achieved by the following technical solutions:
The ater-casting structure that a kind of groundwater table is higher is characterized in that the ater-casting comprises from top to bottom: pea gravel concreten bed course, cement mortar screeding layer, waterproof extra play, waterproof roll, cement mortar screeding layer, concrete enhancement Layer, thick ater-casting enhancement Layer and basement bottom plate rear pouring tape; Side in the ater-casting comprises from top to bottom: pea gravel concreten bed course, cement mortar screeding layer, waterproof extra play, waterproof roll, cement mortar screeding layer, pea gravel concreten bed course and basement bottom board; The pea gravel concreten bed course of wherein said ater-casting part, cement mortar screeding layer, waterproof extra play, waterproof roll, cement mortar screeding layer are formed by sedimentation under the pea gravel concreten bed course of ater-casting side, cement mortar screeding layer, waterproof extra play, waterproof roll, the cement mortar screeding course, and the distance between sedimentation face and the basement bottom plate rear pouring tape is filled by described concrete enhancement Layer and thick ater-casting enhancement Layer; In the concrete enhancement Layer of ater-casting part, be provided with reinforcing bar, in basement bottom board and basement bottom plate rear pouring tape, also be provided with reinforcing bar.
The invention has the beneficial effects as follows: the ater-casting structure that groundwater table of the present invention is higher because the additional steel concrete and the sole plate of sedimentation part form one, has solved the influence of groundwater pressure to the ater-casting waterproof of being detained for a long time; Simultaneously,, base plate lower floor reinforcing bar waterproof is formed conservation of nature, solved the etching problem of conventional way ater-casting ponding base plate lower floor reinforcing bar owing to be provided with the sedimentation part; In addition, because the ater-casting part has done to deepen processing, so even when main structure construction, flow into mortar or concrete, only otherwise invade the useful cross section of base plate, can be left intact, reduce the preceding cleaning recruitment of conventional ater-casting way teeming, save man-hour and cost.
Description of drawings
Fig. 1 is the generalized section of the higher ater-casting structure of groundwater table of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is done concrete introduction.
Fig. 1 is the generalized section of the higher ater-casting structure of groundwater table of the present invention.As shown in the figure, the ater-casting structure that groundwater table of the present invention is higher, part comprises from top to bottom in the ater-casting: the thick C15 pea gravel concreten of 100mm bed course 1,20mm cement mortar screeding layer 2,3mmSBS polyurethane water-proof extra play 3,3mm+3mmSBS polyurethane water-proof coiled material 4,20mm cement mortar screeding layer 5,200mmC20 concrete enhancement Layer 6, the thick ater-casting of 150mm enhancement Layer 7 and C40S8 basement bottom plate rear pouring tape 8; Side in the ater-casting comprises from top to bottom: the thick C15 pea gravel concreten of 100mm bed course, 20mm cement mortar screeding layer, 3mmSBS polyurethane water-proof extra play, 3mm+3mmSBS polyurethane water-proof coiled material, 20mm cement mortar screeding layer, 50mmC15 pea gravel concreten bed course 9 and C35S8 basement bottom board 10.
The thick C15 pea gravel concreten of the 100mm of ater-casting part bed course 1,20mm cement mortar screeding layer 2,3mmSBS polyurethane water-proof extra play 3,3mm+3mmSBS polyurethane water-proof coiled material 4,20mm cement mortar screeding layer 5 is by bed course on the thick C15 microlith of the 100mm coagulation of ater-casting side, 20mm cement mortar screeding layer, 3mmSBS polyurethane water-proof extra play, the 3mm+3mmSBS polyurethane water-proof coiled material, sedimentation forms under the 20mm cement mortar screeding course, and the distance between sedimentation face and the C40S8 basement bottom plate rear pouring tape 8 is filled by 200mmC20 concrete enhancement Layer 6 and the thick ater-casting of 150mm enhancement Layer 7; In the 200mmC20 of ater-casting part concrete enhancement Layer 6, be provided with reinforcing bar, in C35S8 basement bottom board 9 and C40S8 basement bottom plate rear pouring tape 8, also be provided with reinforcing bar.
In the said structure, because the 200mmC20 concrete enhancement Layer 6 and the sole plate of additional band reinforcing bar---C35S8 basement bottom board 9 forms one, solves the influence of groundwater pressure to the ater-casting waterproof of being detained for a long time.
Simultaneously, because the sedimentation structure has been adopted in the bottom of ater-casting part, the waterproof formation conservation of nature to basement bottom board lower floor reinforcing bar has solved the etching problem of conventional way ater-casting ponding to basement bottom board lower floor reinforcing bar.
In addition, because the ater-casting part done the sedimentation processing,, reduce the preceding cleaning recruitment of conventional ater-casting way teeming so, only otherwise descend the useful cross section of chamber base plate intrusively, can be left intact even when main structure construction, flow into mortar or concrete.
The foregoing description does not limit the present invention in any form, and all technical schemes that mode obtained of taking to be equal to replacement or equivalent transformation all drop in protection scope of the present invention.
Claims (1)
1, the higher ater-casting structure of a kind of groundwater table, it is characterized in that: the ater-casting comprises from top to bottom: pea gravel concreten bed course, cement mortar screeding layer, waterproof extra play, waterproof roll, cement mortar screeding layer, concrete enhancement Layer, thick ater-casting enhancement Layer and basement bottom plate rear pouring tape; Side in the ater-casting comprises from top to bottom: pea gravel concreten bed course, cement mortar screeding layer, waterproof extra play, waterproof roll, cement mortar screeding layer, pea gravel concreten bed course and basement bottom board; The pea gravel concreten bed course of wherein said ater-casting part, cement mortar screeding layer, waterproof extra play, waterproof roll, cement mortar screeding layer are formed by sedimentation under the pea gravel concreten bed course of ater-casting side, cement mortar screeding layer, waterproof extra play, waterproof roll, the cement mortar screeding course, and the distance between sedimentation face and the basement bottom plate rear pouring tape is filled by described concrete enhancement Layer and thick ater-casting enhancement Layer; In the concrete enhancement Layer of ater-casting part, be provided with reinforcing bar, in basement bottom board and basement bottom plate rear pouring tape, also be provided with reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100184387A CN101498136A (en) | 2008-02-03 | 2008-02-03 | After-pouring strips structure with high underground water level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100184387A CN101498136A (en) | 2008-02-03 | 2008-02-03 | After-pouring strips structure with high underground water level |
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| Publication Number | Publication Date |
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| CN101498136A true CN101498136A (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100184387A Withdrawn CN101498136A (en) | 2008-02-03 | 2008-02-03 | After-pouring strips structure with high underground water level |
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| CN (1) | CN101498136A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775817B (en) * | 2010-02-04 | 2011-12-21 | 魏勇 | Structure for preventing cold penetration and dewing of basement base plate of costal building and construction method thereof |
| CN102296611A (en) * | 2011-01-28 | 2011-12-28 | 中天建设集团有限公司天津分公司 | Construction method of foundation slab |
| CN102454173A (en) * | 2010-10-29 | 2012-05-16 | 贵阳铝镁设计研究院有限公司 | Manufacturing method and structure of post-poured strip of underground building |
| CN104790435A (en) * | 2014-01-17 | 2015-07-22 | 甘肃省建设投资(控股)集团总公司 | Post-subsidence pouring belt advancing waterstop impermeable concrete structure and construction technology thereof |
| CN106759517A (en) * | 2016-12-07 | 2017-05-31 | 北京首钢建设集团有限公司 | Post-cast strip advanced water-stopping method |
| CN107326940A (en) * | 2017-09-01 | 2017-11-07 | 广州番禺职业技术学院 | A kind of basement advanced water-stop post-pouring zone structure and its construction method |
| CN107724436A (en) * | 2017-09-30 | 2018-02-23 | 深圳市建工集团股份有限公司 | A kind of post-cast strip Seepage method |
| CN108343092A (en) * | 2017-11-30 | 2018-07-31 | 宁波二十冶建设有限公司 | A kind of cast-in-place groove and tognue type post-pouring belt of outer wall safeguard structure and construction method |
| CN112065038A (en) * | 2020-09-27 | 2020-12-11 | 中建八局科技建设有限公司 | Base plate advanced water stop post-cast strip structure and construction method thereof |
-
2008
- 2008-02-03 CN CNA2008100184387A patent/CN101498136A/en not_active Withdrawn
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775817B (en) * | 2010-02-04 | 2011-12-21 | 魏勇 | Structure for preventing cold penetration and dewing of basement base plate of costal building and construction method thereof |
| CN102454173A (en) * | 2010-10-29 | 2012-05-16 | 贵阳铝镁设计研究院有限公司 | Manufacturing method and structure of post-poured strip of underground building |
| CN102454173B (en) * | 2010-10-29 | 2015-06-03 | 贵阳铝镁设计研究院有限公司 | Manufacturing method and structure of post-poured strip of underground building |
| CN102296611A (en) * | 2011-01-28 | 2011-12-28 | 中天建设集团有限公司天津分公司 | Construction method of foundation slab |
| CN104790435A (en) * | 2014-01-17 | 2015-07-22 | 甘肃省建设投资(控股)集团总公司 | Post-subsidence pouring belt advancing waterstop impermeable concrete structure and construction technology thereof |
| CN106759517A (en) * | 2016-12-07 | 2017-05-31 | 北京首钢建设集团有限公司 | Post-cast strip advanced water-stopping method |
| CN107326940A (en) * | 2017-09-01 | 2017-11-07 | 广州番禺职业技术学院 | A kind of basement advanced water-stop post-pouring zone structure and its construction method |
| CN107326940B (en) * | 2017-09-01 | 2020-01-31 | 广州番禺职业技术学院 | basement advanced water stop post-cast strip structure and construction method thereof |
| CN107724436A (en) * | 2017-09-30 | 2018-02-23 | 深圳市建工集团股份有限公司 | A kind of post-cast strip Seepage method |
| CN107724436B (en) * | 2017-09-30 | 2020-03-13 | 深圳市建工集团股份有限公司 | Post-cast strip seepage-proofing construction method |
| CN108343092A (en) * | 2017-11-30 | 2018-07-31 | 宁波二十冶建设有限公司 | A kind of cast-in-place groove and tognue type post-pouring belt of outer wall safeguard structure and construction method |
| CN112065038A (en) * | 2020-09-27 | 2020-12-11 | 中建八局科技建设有限公司 | Base plate advanced water stop post-cast strip structure and construction method thereof |
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