CN104988955A - Drainage-prevention combined waterproof system for ultra-deep basement and construction method - Google Patents
Drainage-prevention combined waterproof system for ultra-deep basement and construction method Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000011247 coating layer Substances 0.000 claims description 38
- 239000010410 layer Substances 0.000 claims description 36
- 239000004568 cement Substances 0.000 claims description 25
- 238000004078 waterproofing Methods 0.000 claims description 21
- 230000001680 brushing effect Effects 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 229920000642 polymer Polymers 0.000 claims description 13
- 230000008595 infiltration Effects 0.000 claims description 9
- 238000001764 infiltration Methods 0.000 claims description 9
- 239000002344 surface layer Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000004575 stone Substances 0.000 claims description 8
- 239000003673 groundwater Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 235000011194 food seasoning agent Nutrition 0.000 claims description 3
- 239000011133 lead Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The invention discloses an ultra-deep basement drainage-prevention combined waterproof system and a construction method thereof. The ultra-deep basement generally refers to the basement with three, four or more layers underground, and because the building is located at the deeper part underground, the water pressure born by the building is larger, and the excellent water stopping effect cannot be maintained. Even if the water leakage is controlled within the error range allowed by the specification, a water seepage site is generated more or less, and although the water leakage can be treated by methods such as plugging and the like, the water leakage still exists in a small amount within a certain range, so that the normal use function of the building is influenced, and the leakage repairing and repairing cost is also high. The invention can effectively solve the leakage and water accumulation phenomena of the ultra-deep basement and avoid the influence of the damp internal environment of the basement on the use function of the building.
Description
Technical field
The present invention relates to a kind of basement waterproofing system and construction method, be specifically related to a kind of ultra-deep basement anti-row's convolution waterproofing system and construction method.
Background technology
The develop rapidly of urban construction, makes building density increasing, and along with the continuous increase of building height, the degree of depth of building also progressively increases.This makes basement structure be positioned at comparatively position, deep, underground, and for the more shallow area of groundwater level depth, as Shanghai, Jiangsu etc., basement seepage problem becomes increasingly conspicuous.The waterproofing process of basement is normally in main structure construction Qian Zuo road waterproof, structure construction Hou Zuo road waterproof, main based on single waterproof, and be not fine for the obvious waterproof effect of ultra-deep basement, often there is the bad phenomenon such as infiltration in building use procedure, except impact building using function, also can produce and adverse influence the safety of structure.
Ultra-deep basement refers generally to three, four layers, underground and above basement, and because building is positioned at darker position, underground, the water pressure of bearing is comparatively large, can not keep perfect stagnant water effect again.Even if can control in the error range of specification permission, also produce infiltration more or less on-the-spot, although can adopt the way process such as shutoff, infiltration also still can exist within the specific limits on a small quantity, so that affect the normal usage function of building, and mending-leakage, rehabilitation expense are also larger.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of ultra-deep basement anti-row's convolution waterproofing system and the construction method that effectively can solve ultra-deep basement seepage problem, to change the single waterproof construction method of relying mainly on prevention of tradition, accomplish to rely mainly on prevention, anti-row combines, guarantee building interior environmental drying, without infiltration, seeping phenomenon.
For solving the problems of the technologies described above, ultra-deep basement of the present invention anti-row convolution waterproofing system adopts following technical scheme: it comprises the cement-based capillary crystalline waterproof coating layer of basement wall after having constructed of the basement wall of being built by water-tight concrete and earth construction, brushing and earth construction inner surface and the brushing polymer cement-base waterproof coating layer at gutter sidewall; Be provided with cobble drainage layer at base plate place, described basement ground and collect the sump of base plate infiltration, be provided with solvable base plate between described cobble drainage layer and sump and seep water the service sleeve passed through.
Being coated with to be brushed with at the external surface of described basement wall and earth construction prevents the outer groundwater seepage of structure to the cement-based penetrant waterproof coating layer in building and polymer cement-base waterproof coating layer.
The exterior wall of described basement wall is coated with the water-fast mildew-proof putty layer being brushed with protective surface coating.
Described concrete impervious grade is P8, and cement-based capillary crystalline waterproof coating layer thickness is 1mm, and polymer cement-base waterproof coating layer thickness is 2mm.
Described water-fast mildew-proof putty layer thickness is 3mm, and needed for cobble drainage layer, cobble particle diameter should not be less than 25mm.
The construction method of above-mentioned ultra-deep basement anti-row's convolution waterproofing system, its construction sequence is as follows:
A, base plate or outer wall of basement reinforcing bar binding complete, and model sheetinstallat is complete, and floor drain and service sleeve etc. are in place, and can build water-tight concrete;
B, reach after related specifications requires until water-tight concrete intensity, dismountable template, and water seasoning on request;
C, complete after a period of time until main structure construction, can secondary structure construction be carried out, now at basement wall and earth construction external coating cement-based capillary crystalline waterproof coating layer;
D, brush cement-based capillary crystalline waterproof coating layer, cobble drainage layer can have been laid, then at its surface coverage polyethylene film, finally build surface layer with the thick C30 pea gravel concreten of 150mm, arrangement reinforcing bar on request in surface layer;
After e, base plate building way completes, the small-sized hollow building block decorative exterior wall of building a segment distance of being separated by with outer wall of basement leads wall, then decorative exterior wall is built by laying bricks or stones, lead side, the gutter brushing cement-based penetrant waterproof coating layer between wall at basement agent structure exterior wall and decorative exterior wall plain concrete, inside decorative exterior wall, open drain is set;
F, inside decorative exterior wall, smeared cement mortar after, at the water-fast mildew-proof putty layer of its surface smear, after at its external coating coating;
At sump, water pump is installed in g, building use procedure, after the underground water that catchments gathers certain altitude, the pump power underground water that will catchment can be connected and be pumped to municipal drainage system.
Build in way construction after basement wall and earth construction have constructed a period of time in described steps d and e, just can brushing cement-based capillary crystalline waterproof coating layer and polymer cement-base waterproof coating layer after guaranteeing water-tight concrete dry tack free.
The stone of the thick 5-10mm of 50mm should be laid under the layer of cobble drainage described in described steps d.
In sump described in described step g, suction pump is provided with the automatically controlled water pump water plug matched with water pump, with timely, ponding in sump is pumped out basement.
Good effect of the present invention is as follows:
The invention belongs to ultra-deep basement waterproofing measure, compared with traditional single waterproof construction of relying mainly on prevention, the present invention fully solves the water problems that ultra-deep basement oozes, and fully ensures the follow-up using function of building.Without the need to doing outer waterproof construction before main structure construction of the present invention simultaneously, the time that pit earthwork is excavated to base plate formation can be shortened, particularly remarkable to the Super Deep Foundation Pit Construction effect of closing on subway, because of the shortening of duration, obviously can reduce retaining design distortion, thus effectively ensure the safety of the constructions of structures such as periphery subway, high level.
Anti-row combination and combining the two ways of dredging and plugging, design concept more initiatively, by traditional single passive waterproof, transfers waterproof to and accomplishes initiatively to dredge simultaneously, thus thoroughly solves Water Seepage in Basement and carry out leak stopping again, then the passive situation of percolating water leak stopping again.For being in soft foundation, the inner city, city that the deep foundation pit construction that groundwater table is high is numerous, periphery foundation pit construction certainly will cause impact to a certain degree to basement structure, and simple water-proof system is difficult to reach 100% and does not occur Seepage, and the present invention will be used widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is base plate guarded drainage way schematic diagram of the present invention;
Fig. 3 is sump way floor map of the present invention;
Fig. 4 is basement side wall guarded drainage way schematic diagram of the present invention.
Wherein, 1-water-tight concrete, 2-cement-based capillary crystalline waterproof coating layer, 3-polymer cement-base waterproof coating layer, 4-water-fast mildew-proof putty layer, 5-floor drain, 6-PVC leader, 7-open drain, 8-cobble drainage layer, 9-polyethylene mould, 10-service sleeve, 11-sump, 2.1-concrete cushion, 2.2-pea gravel concreten surface layer (inside joining reinforcing bar A8@200 double-layer double-direction), 3.1-have pressure water pipe, 3.2-ventilating pipe, 4.1-plain concrete to lead wall, 4.2-access door, 4.3-concrete small size hollow building block.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Shown in Fig. 1-4, ultra-deep basement anti-row's convolution waterproofing system, it comprises the cement-based capillary crystalline waterproof coating layer 2 of basement wall after having constructed of the basement wall of being built by water-tight concrete 1 and earth construction, brushing and earth construction inner surface and the brushing polymer cement-base waterproof coating layer 3 at gutter sidewall; Be provided with cobble drainage layer 8 at base plate place, described basement ground and collect the sump 11 of base plate infiltration, be provided with solvable base plate between described cobble drainage layer 8 and sump 11 and seep water the service sleeve 10 passed through.
Being coated with to be brushed with at the external surface of described basement wall and earth construction prevents the outer groundwater seepage of structure to the cement-based penetrant waterproof coating layer (2) in building and polymer cement-base waterproof coating layer 3.The exterior wall of described basement wall is coated with the water-fast mildew-proof putty layer 4 being brushed with protective surface coating.
Described concrete impervious grade is P8, and cement-based capillary crystalline waterproof coating layer 2 thickness is 1mm, and polymer cement-base waterproof coating layer 3 thickness is 2mm.
Described water-fast mildew-proof putty layer 4 thickness is 3mm, and needed for cobble drainage layer 8, cobble particle diameter is not less than 25mm.
The construction method of above-mentioned ultra-deep basement anti-row's convolution waterproofing system, its construction sequence is as follows:
A, base plate or outer wall of basement reinforcing bar binding complete, and model sheetinstallat is complete, and floor drain 5 and service sleeve 10 etc. are in place, and can build water-tight concrete 1;
B, reach after related specifications requires until water-tight concrete 1 intensity, dismountable template, and water seasoning on request;
C, complete after a period of time until main structure construction, can secondary structure construction be carried out, now at basement wall and earth construction external coating cement-based capillary crystalline waterproof coating layer 2;
D, brush cement-based capillary crystalline waterproof coating layer 2, cobble drainage layer 8 can have been laid, then at its surface coverage polyethylene film, finally build surface layer with the thick C30 pea gravel concreten of 150mm, arrangement reinforcing bar on request in surface layer;
After e, base plate building way completes, the small-sized hollow building block decorative exterior wall of building a segment distance of being separated by with outer wall of basement leads wall, then decorative exterior wall is built by laying bricks or stones, lead side, the gutter brushing cement-based penetrant waterproof coating layer 3 between wall at basement agent structure exterior wall and decorative exterior wall plain concrete, open drain 7 is set inside decorative exterior wall;
F, inside decorative exterior wall, smeared cement mortar after, at the water-fast mildew-proof putty layer 4 of its surface smear, after at its external coating coating;
At sump 11, water pump is installed in g, building use procedure, after water gathers certain altitude in sump 11, pump power can be connected water in sump 11 is pumped to municipal drainage system.
Need the dismountable template of ability after building water-tight concrete 1 and reaching some strength in described step b, during construction, carry out resistance to compression, impervious test block by code requirement.
Build in way construction after basement wall and earth construction have constructed a period of time in described steps d and e, just can brushing cement-based capillary crystalline waterproof coating layer 2 and polymer cement-base waterproof coating layer 3 after guaranteeing water-tight concrete 1 dry tack free.
The layer of cobble drainage described in described steps d lays the stone of the thick 5-10mm of 50mm for 8 times.
In sump 11 described in described step g, suction pump is provided with the automatically controlled water pump water plug matched with water pump, with timely, ponding in sump is pumped out basement.
Embodiment is shown in Figure 1, this ultra-deep basement anti-row's convolution waterproofing system, the concrete adopted during main structure construction is water-tight concrete 1, base plate and outer wall of basement structural plane are coated with and are brushed with cement-based capillary crystalline waterproof coating layer 2, base plate is equipped with cobble drainage layer 8, surrounding is pasted wall and is provided with vertical PVC leader 6, and the construction of bottom surrounding has open drain 7.Base plate is designed with sump 11, basement infiltration can be pooled to sump 11 by open drain 7 and drainage layer 8, and then unification is pumped to municipal drainage system.
Shown in Figure 2, need to build the thick C20 plain concrete cushion layer 2.1 of 200mm before basement bottom board construction, base arrangement has been constructed after a period of time, can start structural construction way.First at structure surface layer brushing cement-based capillary crystalline waterproof coating layer 2, the afterwards stone of the thick particle diameter 5-10mm in upper berth 50, then lay cobble drainage layer 8, require that cobble particle diameter is not less than 25mm.After cobble drainage layer 8 has been constructed, cover 150mm thick C30 pea gravel concreten surface layer 2.2 above it, inside join reinforcing bar A8@200 double-layer double-direction.
Shown in Figure 3, service sleeve 10 is needed to be put into relevant position before sump concreting, carry out the laying work of pressure water pipe 3.1 and ventilating pipe 3.2 simultaneously, to make the water in drainage layer can be pooled to sump smoothly, be pumped to municipal drainage system by pressure water pipe 3.1 afterwards.
Shown in Figure 4, at outer wall of basement, (this example is diaphragm wall, Two walls unite as one) after structure construction completes, at inside structure face brushing cement-based capillary crystalline waterproof coating layer 2, build plain concrete at distance exterior wall certain distance afterwards and lead wall 4.1, build concrete small size hollow building block decorative wall 4.1 above it by laying bricks or stones, one access door 4.3 is set at a certain distance on decorative wall simultaneously, the facilities such as the floor drain between convenient maintenance body of wall and structural concrete wall.Water-fast mildew-proof putty layer 4 is smeared, finally at its external coating mildew resistant paint inside decorating wall.During structure floor construction, should be noted and bury floor drain underground, structure construction completes, and be connected with floor drain by vertical PVC leader 6, at the basement bottom, place arranges open drain 7, and basement infiltration is pooled to sump.
The above embodiment is only the preferred embodiments of the present invention, and and the feasible enforcement of non-invention exhaustive.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the principle of the invention and spirit, all should be contemplated as falling with within claims of the present invention.
Claims (10)
1. ultra-deep basement anti-row's convolution waterproofing system, is characterized in that: it comprises the cement-based capillary crystalline waterproof coating layer (2) of basement wall after having constructed of the basement wall of being built by water-tight concrete (1) and earth construction, brushing and earth construction inner surface and the brushing polymer cement-base waterproof coating layer (3) at gutter sidewall; Be provided with cobble drainage layer (8) at base plate place, described basement ground and collect the sump (11) of base plate infiltration, be provided with solvable base plate between described cobble drainage layer (8) and sump (11) and seep water the service sleeve (10) passed through.
2. ultra-deep basement according to claim 1 anti-row's convolution waterproofing system, is characterized in that: be coated with to be brushed with at the external surface of described basement wall and earth construction and prevent the outer groundwater seepage of structure to the cement-based penetrant waterproof coating layer (2) in building and polymer cement-base waterproof coating layer (3).
3. ultra-deep basement according to claim 1 anti-row's convolution waterproofing system, is characterized in that: on the exterior wall of described basement wall, be coated with the water-fast mildew-proof putty layer (4) being brushed with protective surface coating.
4. ultra-deep basement anti-row's convolution waterproofing system according to claim 1 or 2, it is characterized in that: described concrete impervious grade is P8, cement-based capillary crystalline waterproof coating layer (2) thickness is 1mm, and polymer cement-base waterproof coating layer (3) thickness is 2mm.
5. ultra-deep basement anti-row's convolution waterproofing system according to claim 1 or 3, is characterized in that: described water-fast mildew-proof putty layer (4) thickness is 3mm, and the required cobble particle diameter of cobble drainage layer (8) is not less than 25mm.
6. the construction method of the ultra-deep basement anti-row's convolution waterproofing system described in claim 1-6 any one, is characterized in that its construction sequence is as follows:
A, base plate or outer wall of basement reinforcing bar binding complete, and model sheetinstallat is complete, and floor drain (5) and service sleeve (10) etc. are in place, and can build water-tight concrete (1);
B, reach after related specifications requires until water-tight concrete (1) intensity, dismountable template, and water seasoning on request;
C, complete after a period of time until main structure construction, can secondary structure construction be carried out, now at basement wall and earth construction external coating cement-based capillary crystalline waterproof coating layer (2);
D, brush cement-based capillary crystalline waterproof coating layer (2), cobble drainage layer (8) can have been laid, then at its surface coverage polyethylene film, finally build surface layer with the thick C30 pea gravel concreten of 150mm, arrangement reinforcing bar on request in surface layer;
After e, base plate building way completes, the small-sized hollow building block decorative exterior wall of building a segment distance of being separated by with outer wall of basement leads wall, then decorative exterior wall is built by laying bricks or stones, lead side, gutter brushing cement-based penetrant waterproof coating layer (3) between wall at basement agent structure exterior wall and decorative exterior wall plain concrete, open drain (7) is set inside decorative exterior wall;
F, inside decorative exterior wall, smeared cement mortar after, the water-fast mildew-proof putty layer (4) of its surface smear, after at its external coating coating;
At sump (11), water pump is installed in g, building use procedure, after sump (11) interior water gathers certain altitude, pump power can be connected sump (11) interior water is pumped to municipal drainage system.
7. the construction method of ultra-deep basement anti-row's convolution waterproofing system according to claim 6, it is characterized in that: need the dismountable template of ability after building water-tight concrete (1) and reaching some strength in described step b, during construction, carry out resistance to compression, impervious test block by code requirement.
8. the construction method of ultra-deep basement anti-row's convolution waterproofing system according to claim 6, it is characterized in that: build in way construction after basement wall and earth construction have constructed a period of time in described steps d and e, just can brushing cement-based capillary crystalline waterproof coating layer (2) and polymer cement-base waterproof coating layer (3) after guaranteeing water-tight concrete (1) dry tack free.
9. the construction method of ultra-deep basement anti-row's convolution waterproofing system according to claim 6, is characterized in that: the stone laying the thick 5-10mm of 50mm under the layer of cobble drainage described in described steps d (8).
10. the construction method of ultra-deep basement anti-row's convolution waterproofing system according to claim 6, it is characterized in that: sump described in described step g (11) interior suction pump is provided with the automatically controlled water pump water plug matched with water pump, with timely, ponding in sump is pumped out basement.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107524237A (en) * | 2017-08-31 | 2017-12-29 | 上海建工七建集团有限公司 | A kind of basement inwall fish tail and waterproof layer and construction method |
| CN109056844A (en) * | 2017-02-27 | 2018-12-21 | 中冶建工集团有限公司 | Building basement external wall waterproof construction method |
| CN110043265A (en) * | 2019-03-20 | 2019-07-23 | 中铁四局集团有限公司 | Construction method for deformation control of ultra-deep air shaft near river |
| CN110747910A (en) * | 2019-11-25 | 2020-02-04 | 中国建筑第四工程局有限公司 | Face reverse spraying structure of large tracts of land infiltration of sea parcel basement outer wall |
| CN110777856A (en) * | 2019-11-08 | 2020-02-11 | 中国建筑第八工程局有限公司 | Back water-proof structure of basement bottom plate and construction method thereof |
| CN111733876A (en) * | 2020-06-30 | 2020-10-02 | 浙江荣盛建设发展有限公司 | Basement waterproof construction method and device |
| CN111764440A (en) * | 2020-06-18 | 2020-10-13 | 常州东华建筑安装工程有限公司 | Anti-floating pressure relief and pressure reduction drainage system for building basement and construction method thereof |
| CN114439038A (en) * | 2021-12-22 | 2022-05-06 | 上海建工四建集团有限公司 | Deep foundation pit underground indoor water drainage system and construction method |
| CN115787747A (en) * | 2022-12-02 | 2023-03-14 | 中国二十冶集团有限公司 | Basement water-proof and drainage structure and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109056844A (en) * | 2017-02-27 | 2018-12-21 | 中冶建工集团有限公司 | Building basement external wall waterproof construction method |
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| CN111764440A (en) * | 2020-06-18 | 2020-10-13 | 常州东华建筑安装工程有限公司 | Anti-floating pressure relief and pressure reduction drainage system for building basement and construction method thereof |
| CN111733876A (en) * | 2020-06-30 | 2020-10-02 | 浙江荣盛建设发展有限公司 | Basement waterproof construction method and device |
| CN114439038A (en) * | 2021-12-22 | 2022-05-06 | 上海建工四建集团有限公司 | Deep foundation pit underground indoor water drainage system and construction method |
| CN115787747A (en) * | 2022-12-02 | 2023-03-14 | 中国二十冶集团有限公司 | Basement water-proof and drainage structure and construction method thereof |
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| CN104988955B (en) | 2017-07-07 |
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