CN108678029B - Water-rich land area basement water-proof and drainage construction method for river-facing hills - Google Patents
Water-rich land area basement water-proof and drainage construction method for river-facing hills Download PDFInfo
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- CN108678029B CN108678029B CN201810698485.4A CN201810698485A CN108678029B CN 108678029 B CN108678029 B CN 108678029B CN 201810698485 A CN201810698485 A CN 201810698485A CN 108678029 B CN108678029 B CN 108678029B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 239000002344 surface layer Substances 0.000 claims abstract description 35
- 239000004745 nonwoven fabric Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000011449 brick Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 7
- 230000002209 hydrophobic effect Effects 0.000 claims description 5
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
Classifications
-
- 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
- E02D31/02—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 ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
- E03F3/046—Open sewage channels
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a water-rich land area basement drainage construction method for a river-facing hilly, which adopts a drainage mode of combining a drainage open ditch and a drainage hidden ditch in a basement far-shear wall area, wherein the drainage open ditch and the drainage hidden ditch are mutually independent and are not communicated, water seepage of a basement concrete bottom plate is led into the drainage hidden ditch through a drainage plate, water on a basement building surface layer is collected through the drainage open ditch, and the collected water is led into a water collecting well through the drainage open ditch and the hidden ditch respectively. The water seepage and the water accumulation are collected into the water collecting well, so that the common leakage and water accumulation phenomena of the basement floor of the water-rich zone of the hills of the river can be effectively solved. A narrow groove is additionally arranged in parallel on the basis of the drainage open channel and the drainage blind channel near the shear wall, once the water seepage phenomenon of the shear wall occurs, the water seepage of the shear wall can be collected through the narrow groove and guided into the drainage open channel, and the humidity of the indoor environment of the basement is avoided.
Description
Technical Field
The invention relates to a basement water-proof construction method, in particular to a basement water-proof construction method for a water-rich zone of a river-facing hilly.
Background
For basement floors, water protection and drainage are important. The traditional basement water-proof drainage method is to make drainage ditches along the vicinity of the shear wall, and the building method on the floor is to put a slope towards 0.5% of the drainage ditches, and the slope is put 0.5% in the ditches.
For ease of description, applicant defines a basement having a single layer of area exceeding 2 thousand square meters and a length and width of each exceeding 150 meters as a "wide area basement".
For a wide-area basement, if the conventional drainage method is adopted, the slope height is 75m multiplied by 0.5% = 37.5cm, but the building finish surface of the basement is only 10-30cm in general, and if the conventional basement slope method is adopted, the building finish surface is higher than the building finish surface, so that the building finish surface cannot be implemented.
And the building in the water-rich area of the hills facing the river can bear larger water pressure, and can not keep excellent water stopping effect. Even if the water seepage phenomenon is generated more or less in the error range allowed by the specification, even if the water seepage phenomenon is treated by adopting methods such as plugging as far as possible, the water seepage phenomenon still exists in a small amount in a certain range, so that the normal use function of the building is affected, and the leakage repairing and repairing cost is also larger.
Disclosure of Invention
The invention mainly aims to provide a construction method capable of effectively solving the problem of water prevention and drainage of a basement of a building in a water-rich zone of a hilly and a river.
The invention provides a construction method for preventing and draining water in a basement of a water-rich land zone in a river, which comprises the following steps of:
1. determining a plan
In the far shear wall area, adopting a drainage mode of arranging a drainage blind drain and a drainage open drain on a concrete structure bottom plate; a drainage mode of combining a drainage blind ditch, a drainage open ditch and a narrow groove is arranged on a concrete structure bottom plate at the position close to the shear wall;
the top surface of the drainage open ditch is higher than the top surface of the drainage blind ditch;
2. determining the positions of the open drain, the blind drain and the narrow groove
Determining arrangement positions of the drain open ditches in different functional areas on a concrete structure bottom plate according to design requirements, and determining whether drain blind ditches are arranged in parallel on one side or two sides of the drain open ditches;
the narrow grooves are arranged in parallel between adjacent buttress columns of the shear wall;
3. concrete construction
(1) Pouring a concrete structure bottom plate into the whole basement and curing;
(2) Setting a drainage open ditch and a narrow groove according to design requirements;
(3) Setting a drainage blind drain according to design requirements;
(4) Paving a drainage plate on the bottom plate of the concrete structure, and paving the drainage plate to the edge of the width of the drainage blind ditch groove;
(5) Pouring and curing a light aggregate surface layer above the drain plate and the drain blind ditch, wherein the upper surface of the light aggregate surface layer is flush with the upper surface of the drain open ditch wall;
(6) And pouring a building surface layer on the upper surfaces of the light aggregate surface layer and the two sides of the drainage open trench, and curing.
In the embodiment of the above technical scheme, the two sides of the open drain ditch are ditch walls of a concrete structure.
In the implementation mode of the technical scheme, after the internal corners on two sides of the drain open trench bottom are fully coated with JS paint, plastering is carried out on the trench bottom and the trench walls on two sides, the thickness of a plastering surface is 10-20mm, and when the trench bottom is plastered, the trench bottom has a water guide gradient of 0.5% -1% relative to a water collecting well.
In the implementation mode of the technical scheme, the inner sides of the upper surfaces of the two side ditch walls of the open drainage ditch are fixedly provided with angle steels, cast iron ditch cover plates are paved between the two side angle steels, and the upper edges of the angle steels are flush with the upper surface of the building surface layer.
In the implementation mode of the technical scheme, the building surface layers in the 5m-8m area on one side or two sides of the open drainage ditch are respectively provided with a water guide gradient of 0.5% -1% relative to the open drainage ditch.
In the implementation mode of the technical scheme, the ditch wall of the drainage open ditch is shared by the ditch wall of one side of the drainage blind ditch, the other side of the drainage blind ditch is built by shale solid bricks, the ditch is filled with medium sand, and the ditch is wrapped by water-permeable non-woven fabrics.
In the implementation mode of the technical scheme, the building surface layer is a fine stone concrete surface layer.
In the implementation mode of the technical scheme, the material of the hydrophobic plate is HDPE, the plate thickness is 25mm-35mm, and the wall thickness is 1.5mm-2.0mm.
In the embodiment of the technical scheme, the drainage open trench and the drainage hidden trench near the shear wall are arranged in parallel with the shear wall, the drainage open trench is positioned near the shear wall, and the narrow trench is communicated with the drainage open trench.
According to the invention, a drainage mode of combining the open drainage ditch with the drainage blind ditch is adopted in a basement remote shear wall area, the open drainage ditch and the drainage blind ditch are mutually independent and are not communicated, water seepage of a basement concrete bottom plate is led into the drainage blind ditch through a drainage plate, water of a basement building surface layer is collected through the open drainage ditch, and the collected water is led into a water collecting well through the open drainage ditch and the blind ditch respectively. The water seepage and the water accumulation are collected into the water collecting well, so that the common leakage and water accumulation phenomena of the basement floor of the water-rich zone of the hills of the river can be effectively solved. A narrow groove is additionally arranged in parallel on the basis of a drainage open ditch and a drainage blind ditch near the shear wall, once the water seepage phenomenon of the shear wall occurs, the water seepage phenomenon of the shear wall can be collected through the narrow groove and is led into the drainage open ditch, the water seepage area of the shear wall can be rapidly shielded through gypsum boards and the like at the narrow groove, the sensory effect is recovered, and the shear wall is repaired after a professional waterproof unit operator arrives at the scene, so that the humidity of the internal environment of a basement is avoided.
Drawings
FIG. 1 is a schematic cross-sectional view of an arrangement of open drain and blind drain in a region of a remote shear wall in accordance with an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of an open drain and blind drain arrangement near a shear wall in accordance with an embodiment of the present invention.
Fig. 3 is a schematic top view of fig. 2.
Number in the figure:
1-a trench wall of a concrete structure; 2-a hydrophobic plate; 3-shale solid bricks;
4-non-woven fabrics; 5-a concrete structure bottom plate; 6, a light aggregate surface layer;
7-building surface layer; 8, middle sand; 9-JS paint;
10-plastering; 11-angle steel; 12-cast iron trench cover plate;
13-a water collection well; 14-a drain pipe;
MG-drainage open ditch; AG-drainage underdrain; ZC-narrow groove;
JLQ-shear wall; FBZ-buttress;
Detailed Description
The invention discloses a construction method for preventing and draining water in a basement of a water-rich zone in a river-facing hilly, which comprises the following steps of:
1. determining a plan
In the far shear wall area, adopting a drainage mode of arranging a drainage blind drain and a drainage open drain on a concrete structure bottom plate; a drainage mode of combining a drainage blind ditch, a drainage open ditch and a narrow groove is arranged on a concrete structure bottom plate at the position close to the shear wall;
the top surface of the drainage open ditch is higher than the top surface of the drainage blind ditch;
2. determining the positions of the open drain, the blind drain and the narrow groove
Determining arrangement positions of the drain open ditches in different functional areas on a concrete structure bottom plate according to design requirements, and determining whether drain blind ditches are arranged in parallel on one side or two sides of the drain open ditches;
the narrow grooves are arranged in parallel between adjacent buttress columns of the shear wall;
3. concrete construction
(1) Pouring a concrete structure bottom plate into the whole basement and curing;
(2) Setting a drainage open ditch and a narrow groove according to design requirements;
(3) Setting a drainage blind drain according to design requirements;
(4) Paving a drainage plate on the bottom plate of the concrete structure, and paving the drainage plate to the edge of the width of the drainage blind ditch groove;
(5) Pouring and curing a light aggregate surface layer above the drain plate and the drain blind ditch, wherein the upper surface of the light aggregate surface layer is flush with the upper surface of the drain open ditch wall;
(6) Pouring a building surface layer on the upper surfaces of the light aggregate surface layer and the two sides of the drainage open trench groove, and curing;
the invention is especially suitable for the drainage construction of the 'wide area basement' in the water-rich area of the hilly and the hilly of the river, that is, the single-layer area of the basement exceeds 2 ten thousand square meters, and the length and the width are both over 150 meters.
The following is a detailed description of the drainage construction using the present method for "wide area basements". For convenience of description, the "wide area basement" will be simply referred to as "basement" hereinafter.
As can be seen from fig. 1 to 3, the bottom layer of the basement is a concrete structure bottom plate 5, and the open drainage ditch MG, the blind drainage ditch AG and the drainage plate 2 are all arranged on the upper surface of the concrete structure bottom plate 5, and the drainage plate 2 is paved to the edge of the width of the blind drainage ditch.
For the far shear wall area, in this embodiment, a drain open trench is arranged every about 30 meters, the drain open trench is communicated with the water collecting well, the trench bottom of the drain open trench is inclined to the water collecting well by 0.5%, and a water collecting well 13 is arranged every about 30 meters. Attention is paid to the treatment at the location of the water collection well when casting the floor of the concrete structure.
The width of the drain open ditch in the embodiment is 400mm, and the two sides of the drain open ditch are the ditch walls 1 with the concrete structure.
After the internal corners of the two sides of the ditch bottom of the open drain ditch are fully coated with JS paint 9, plastering the ditch wall and the ditch bottom, wherein the thickness of a plastering surface 10 is about 15mm, and attention is paid to the slope of the ditch bottom during plastering. The slope of the bottom of the ditch is preferably 0.5% -1%, and the slope of the bottom of the ditch is selected to be 0.5% in the embodiment.
After finishing the plastering surface 10, fixing angle steel 11 on the inner side of the upper surface of the two side ditch walls 1, and paving cast iron ditch cover plates 12 between the two side angle steel.
According to the actual situation of each functional area of the basement, one side or two sides of the drainage open ditch are provided with drainage blind ditches, the functional areas with higher requirements on dryness are provided with drainage blind ditches, and the two sides of the drainage open ditch are provided with the drainage blind ditches, such as the functional areas arranged in an electrical equipment room. Fig. 1 shows that a drain blind drain AG is provided on one side of a drain open drain MG.
In this embodiment, the width of the drainage blind drain is 500mm, one side wall of the drainage blind drain in the far shear wall area shares the wall of the drainage open drain, and the other side wall is built by shale solid bricks 3 with length x height x width=240 x 140 x 90.
As can be seen from the structure shown in fig. 1, the drainage plate 2 is laid to the edge of the width of the drainage channel before the drainage channel is laid. The material of the hydrophobic plate of this example was HDPE, and the plate thickness was 30mm and the wall thickness was 1.7mm.
After the hydrophobic plate 2 is laid, the nonwoven fabric 4 is laid, and when the nonwoven fabric is prepared, the width dimension is the width of the drainage blind ditch groove, the width twice of the shale solid bricks, the height of the shale solid bricks and the width of the laid groove, and the width of the nonwoven fabric laid in the groove is set to be about 150mm in the embodiment, so that the total width of the nonwoven fabric is about 1000mm. The nonwoven fabric 4 covers the upper surface of the side edge of the water-repellent panel 2.
When the shale solid bricks 3 are built, the bottom surface in the width direction is pressed on the non-woven fabrics 4. After the shale solid bricks are built, the grooves of the drainage blind ditches are filled with medium sand 8 (the fineness modulus is 3.0-2.3, and the average grain diameter is 0.5-0.35 mm), so that the top surfaces of the medium sand 8 are flush with the upper surfaces of the shale solid bricks 3, and then the laid non-woven fabrics 4 sequentially wrap the outer sides, the upper surfaces and the top surfaces of the shale solid bricks 3 and the medium sand 8.
After the non-woven fabrics 4 are wrapped, a light aggregate surface layer 6 is poured above the drain plate 2 and the drain blind ditch, and the upper surface of the light aggregate surface layer 6 is flush with the upper surfaces of the ditch walls on two sides of the drain open ditch. When the light aggregate surface layer is poured, the non-woven fabric on the top surface of the middle sand is pulled flat and pressed.
For the near shear wall, the drainage open trench MG and the drainage hidden trench AG are arranged in parallel with the shear wall JLQ, the drainage hidden trench is positioned on the far shear wall side of the drainage open trench, a narrow groove ZC is additionally arranged between the drainage open trench and the shear wall, the distance between the drainage open trench and the outer side of a shear wall buttress is as small as possible, and two ends of the narrow groove ZC are stopped at the buttress FBZ of the shear wall. The narrow groove and the open drainage ditch are constructed simultaneously, and JS coating and plastering treatment are the same as those of the open drainage ditch.
Finally, building surface layer 7 is poured. The building surface layer of this embodiment is fine stone concrete surface layer, and the upper surface of fine stone concrete surface layer is parallel and level with the angle steel 11 upper edge of drainage open trench both sides. When the building surface layer is poured, the building surface layer in the area of about 5m on one side or two sides of the drainage open channel is preferably provided with a water guide gradient of 0.5% -1% relative to the drainage open channel, and the embodiment adopts a gradient of 0.5%. When the building surface layer 7 is poured between the side, close to the shear wall, of the groove of the drainage open channel near the shear wall and the shear wall, a drain pipe 14 is pre-buried between the narrow groove and the drainage open channel, so that water collected by the narrow groove is led into the drainage open channel. In this embodiment, pvc pipe is used as the drain pipe, and the nominal outer diameter is preferably 110mm.
Once the shear wall is subjected to water seepage, water seepage is collected by the narrow groove ZC and then is led into a drainage open ditch through a drain pipe, meanwhile, a water seepage area of the shear wall can be rapidly shielded and treated through gypsum boards SGB and the like at the narrow groove ZC, the sensory effect is recovered, and the shear wall is repaired after a professional waterproof unit operator arrives at the scene, so that the interior environment of a basement is prevented from being moist.
Claims (8)
1. The construction method for water-rich land area basement water prevention and drainage of the river-facing hills comprises the following steps of:
s1, determining scheme
In the far shear wall area, adopting a drainage mode of arranging a drainage blind drain and a drainage open drain on a concrete structure bottom plate; a drainage mode of combining a drainage blind ditch, a drainage open ditch and a narrow groove is arranged on a concrete structure bottom plate at the position close to the shear wall;
the top surface of the drainage open ditch is higher than the top surface of the drainage blind ditch;
s2, determining positions of the open drain, the blind drain and the narrow groove
Determining arrangement positions of the drain open ditches in different functional areas on a concrete structure bottom plate according to design requirements, and determining whether drain blind ditches are arranged in parallel on one side or two sides of the drain open ditches;
the narrow grooves are arranged in parallel between adjacent buttress columns of the shear wall;
the drainage open trench and the drainage hidden trench at the position close to the shear wall are arranged in parallel with the shear wall, the drainage open trench is positioned at the side close to the shear wall, and the narrow trench is communicated with the drainage open trench;
s3, concrete construction
(S3.1) pouring a concrete structure bottom plate into the whole basement and curing;
(S3.2) setting a drain open trench and a narrow trench according to design requirements;
(S3.3) setting a drain underdrain according to design requirements;
(S3.4) paving a drainage plate on the bottom plate of the concrete structure, and paving the drainage plate to the edge of the width of the drainage blind ditch groove;
(S3.5) pouring a light aggregate surface layer above the drain plate and the drain blind ditch, and curing, wherein the upper surface of the light aggregate surface layer is flush with the upper surface of the drain open ditch wall;
(S3.6) pouring a building surface layer on the upper surfaces of the two sides of the lightweight aggregate surface layer and the drainage open trench groove, and curing;
the drainage blind ditch is positioned on the side of a far shear wall of the drainage open ditch, a narrow groove is additionally arranged between the drainage open ditch and the shear wall, the narrow groove and the drainage open ditch are constructed simultaneously, and JS coating and plastering treatment are the same as those of the drainage open ditch;
when a building surface layer is poured between the side, close to the shear wall, of a groove of the drainage open trench at the position close to the shear wall and the shear wall, a drain pipe is pre-buried between the narrow groove and the drainage open trench, so that water collected by the narrow groove is led into the drainage open trench.
2. The water-rich zone basement water-proof construction method of the river-facing hills in claim 1, which is characterized by comprising the following steps: and the two sides of the open drain ditch are ditch walls of a concrete structure.
3. The water-rich zone basement water-proof construction method of the river-facing hills as set forth in claim 2, wherein: and after the internal corners at two sides of the ditch bottom of the drainage open ditch are fully coated with JS paint, plastering the ditch bottom and the ditch walls at two sides, wherein the thickness of a plastering surface is 10-20mm, and when the ditch bottom is plastered, the ditch bottom has a water guide gradient of 0.5-1% relative to a water collecting well.
4. The water-rich zone basement water-proof construction method of the river-facing hills as set forth in claim 2, wherein: angle steel is fixed on the inner side of the upper surface of the ditch walls on two sides of the open drain ditch, a cast iron ditch cover plate is paved between the angle steel on two sides, and the upper edge of the angle steel is flush with the upper surface of the building surface layer.
5. The water-rich zone basement water-proof construction method of the river-facing hills in claim 1, which is characterized by comprising the following steps: the building surface layers in the 5m-8m area on one side or two sides of the open drainage ditch are respectively provided with a water guiding gradient of 0.5% -1% relative to the open drainage ditch.
6. The water-rich zone basement water-proof construction method of the river-facing hills as set forth in claim 2, wherein: and the ditch wall of one side of the drainage blind ditch shares the ditch wall of the drainage open ditch, the other side of the drainage blind ditch is built by shale solid bricks, the ditch is filled with medium sand, and the ditch is wrapped by water-permeable non-woven fabrics.
7. The water-rich zone basement water-proof construction method of the river-facing hills in claim 1, which is characterized by comprising the following steps: the building surface layer is a fine stone concrete surface layer.
8. The water-rich zone basement water-proof construction method of the river-facing hills in claim 1, which is characterized by comprising the following steps: the material of the hydrophobic plate is HDPE, the plate thickness is 25mm-35mm, and the wall thickness is 1.5mm-2.0mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810698485.4A CN108678029B (en) | 2018-06-29 | 2018-06-29 | Water-rich land area basement water-proof and drainage construction method for river-facing hills |
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| CN201810698485.4A CN108678029B (en) | 2018-06-29 | 2018-06-29 | Water-rich land area basement water-proof and drainage construction method for river-facing hills |
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| CN108678029B true CN108678029B (en) | 2023-12-26 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110004990A (en) * | 2019-04-16 | 2019-07-12 | 中国建筑第四工程局有限公司 | A kind of rich water underground river region basement pressure release construction method and device |
| CN110387938A (en) * | 2019-08-15 | 2019-10-29 | 中冶建工集团有限公司 | Indoor drainage ditch construction technology |
| CN110847327B (en) * | 2019-11-15 | 2023-06-23 | 中国建筑第五工程局有限公司 | Water-proof and drainage construction method for large-area basement roof |
| CN113073684B (en) * | 2021-03-18 | 2023-02-10 | 上海建工四建集团有限公司 | Drainage construction method for basement bottom plate |
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| JP2009084919A (en) * | 2007-10-01 | 2009-04-23 | Kajima Corp | Ground excavating method |
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| CN205475360U (en) * | 2016-02-25 | 2016-08-17 | 中国建筑第八工程局有限公司 | Basement secretly buries rubble drainage structures |
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|---|---|---|---|---|
| JP2009084919A (en) * | 2007-10-01 | 2009-04-23 | Kajima Corp | Ground excavating method |
| CN103306320A (en) * | 2013-06-24 | 2013-09-18 | 中国十七冶集团有限公司 | Method for treating crack water seepage of shear wall of basement |
| CN203531009U (en) * | 2013-10-21 | 2014-04-09 | 中国建筑第二工程局有限公司 | Macadam layer hydrophobic structure for basement base plate |
| CN105089080A (en) * | 2014-05-19 | 2015-11-25 | 邹新建 | Method for making hollow layer allowing observing structural leakage on wall-surface bottom plate of underground building |
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