CN105178365A - Deformation-resisting construction method for underground waterproof plate - Google Patents
Deformation-resisting construction method for underground waterproof plate Download PDFInfo
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- CN105178365A CN105178365A CN201510481407.5A CN201510481407A CN105178365A CN 105178365 A CN105178365 A CN 105178365A CN 201510481407 A CN201510481407 A CN 201510481407A CN 105178365 A CN105178365 A CN 105178365A
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Abstract
The invention belongs to a deformation-resisting construction method for an underground waterproof plate. A soft cushion layer, a concrete cushion layer, a waterproof layer, a waterproof protection layer and the waterproof plate are arranged on the foundation face of a non-independent column foundation in sequence, and a concrete cushion layer, a waterproof layer, a waterproof protection layer, the waterproof plate and independent column foundations are arranged on the foundation face of the independent column foundations in sequence. Deformation of the waterproof plate due to sediment of the independent column foundations can be avoided, the use safety of the waterproof plate structure is ensured, and the method has the beneficial effects that the construction method is easy and practical, time and labor are saved, cost is low, few people are needed, firmness and stability are achieved, construction speed is high, and the use effect is good.
Description
Technical field
The invention belongs to a kind of underground waterproof plate resistance to deformation construction method.
Background technology
At present, building descend Waterproof Construction Technique routinely, single column foundation and splash guard (being steel concrete flaggy) are all located on foundation soil, padded coaming is not had between splash guard and foundation soil, splash guard will be far smaller than single column foundation (as the bearing column of building to the pressure that its lower foundation soil produces, also single column foundation can be claimed) end pressure raw to ground local products, this just causes the splash guard edge crossing with single column foundation and is out of shape inconsistent downwards, crossing edge can produce huge internal force, make splash guard and the huge subgrade reaction of single column foundation shared, the distortion that the sedimentation of single column foundation can make water prevention plate structure produce, make water prevention plate structure dangerous, crack can be produced even between the two, cause the safety of building impaired.
Summary of the invention
The object of this invention is to provide a kind of underground waterproof plate resistance to deformation construction method, splash guard can be avoided because of the sedimentation generation distortion of single column foundation, guarantee the use safety of water prevention plate structure, there is construction method simple and practical, time saving and energy saving, expense is few, and employment is few, firm stable, the advantage that speed of application is fast and result of use is good.
For this reason, method of the present invention comprises the steps:
(1) meter calculates soil property and the density of job location foundation soil, draws the sedimentation thickness of each single column foundation to the pressure of its lower end foundation soil and lower end foundation soil thereof according to design drawing;
(2) earthwork of job location is first dug to basis end absolute altitude according to design, according to design drawing position on this foundation soil, carry out surveying setting-out, mark the position of each single column foundation;
(3) dig to design elevation according to design drawing by the foundation soil below each single column foundation, carry out the clear groove of single column foundation lower end foundation soil, foundation soil should be comparatively smooth, forms single column foundation ground basal plane;
(4) carry out hand excavation to the foundation soil at other ground position of the splash guard lower portion at each single column foundation position of removing, excavation thickness flushes with the degree of depth of the splash guard lower surface, each single column foundation lower end of design, forms non-only base for post portion ground basal plane;
(5) all tile cushion course on non-only base for post portion ground basal plane, the thickness of cushion course laid is identical with the sedimentation thickness of the lower end foundation soil of each single column foundation, or being greater than sedimentation thickness, cushion course should entirely be layered on non-only base for post portion ground basal plane, must not leak paving;
(6) subsequently on the basal plane be fully made up of single column foundation ground basal plane and non-only base for post portion ground basal plane, carry out the construction of concrete cushion, during concreting bed course, the movement of poly-cushion course should be avoided;
(7) after the concrete of concrete cushion reaches 70 ~ 78% of design strength, more thereon successively in the construction carrying out waterproofing course, fish tail and waterproof layer, splash guard, single column foundation, the construction of underground waterproof plate resistance to deformation is completed.
Described cushion course is polyphenyl plate, and its density is 18 ~ 22Kg/m3.
The thickness of the cushion course of described laying is 1 ~ 1.5: 1 with the ratio of the sedimentation thickness of the lower end foundation soil of each single column foundation.
Described non-only base for post portion ground basal plane is provided with cushion course, concrete cushion, waterproofing course, fish tail and waterproof layer and splash guard successively.
Described single column foundation ground basal plane is provided with concrete cushion, waterproofing course, fish tail and waterproof layer, splash guard and single column foundation successively.
Said method reaches object of the present invention.
The present invention can avoid splash guard because of the sedimentation generation distortion of single column foundation, and guarantee the use safety of water prevention plate structure, have construction method simple and practical, time saving and energy saving, expense is few, and employment is few, firm stable, the advantage that speed of application is fast and result of use is good.
Splash guard can be avoided because of the sedimentation generation distortion of single column foundation according to test the present invention, guarantee the use safety of water prevention plate structure, no matter in test room, still under construction splash guard all without distortion, also can design the thickness reducing splash guard, decline 30% compared with the construction cost of conventional method, the duration shortens 40% for this reason, also there is construction quality good, the advantage that efficiency is high.
Accompanying drawing explanation
Figure is structural representation of the present invention.
Detailed description of the invention
As shown in the figure, a kind of underground waterproof plate resistance to deformation construction method, the method comprises the steps:
(1) meter calculates soil property and the density of job location foundation soil, draws the sedimentation thickness of each single column foundation to the pressure of its lower end foundation soil and lower end foundation soil thereof according to design drawing.
(2) earthwork of job location is first dug to basis end absolute altitude according to design, according to design drawing position on this foundation soil, carry out surveying setting-out, mark the position of each single column foundation.
(3) dig to design elevation according to design drawing by the foundation soil below each single column foundation, carry out the clear groove of single column foundation 2 lower end foundation soil, foundation soil should be comparatively smooth, forms single column foundation ground basal plane 8.
(4) carry out hand excavation to the foundation soil at other ground position of splash guard 1 lower portion at each single column foundation position of removing, excavation thickness flushes with the degree of depth of the splash guard lower surface, each single column foundation lower end of design.Form non-only base for post portion ground basal plane 3.
(5) all tile cushion course 4 on non-only base for post portion ground basal plane.The thickness of cushion course laid is identical with the sedimentation thickness of the lower end foundation soil of each single column foundation, or is greater than sedimentation thickness.Cushion course should entirely be layered on non-only base for post portion ground basal plane, must not leak paving.Described cushion course is polyphenyl plate, and its density is 18 ~ 22Kg/m3.The thickness of the cushion course of described laying is 1 ~ 1.5: 1 with the ratio of the sedimentation thickness of the lower end foundation soil of each single column foundation.
(6) subsequently on the basal plane be fully made up of single column foundation ground basal plane and non-only base for post portion ground basal plane, the construction of concrete cushion 5 is carried out.During concreting bed course, the movement of poly-cushion course should be avoided.
(7) after the concrete of concrete cushion reaches 70 ~ 78% of design strength, more thereon successively in the construction carrying out waterproofing course 6, fish tail and waterproof layer 7, splash guard 1, single column foundation 2, the construction of underground waterproof plate resistance to deformation is completed.The construction of waterproofing course, fish tail and waterproof layer, splash guard and single column foundation, is conventional art, therefore is not repeated.
Described non-only base for post portion ground basal plane is provided with cushion course, concrete cushion, waterproofing course, fish tail and waterproof layer and splash guard successively.
Described single column foundation ground basal plane is provided with concrete cushion, waterproofing course, fish tail and waterproof layer, splash guard and single column foundation successively.
During use, the splash guard of pressure under single column foundation and its of building imports ground, cushion course can make the same sedimentation of the splash guard of whole splash guard and single column foundation lower end, avoids splash guard to produce distortion because of the sedimentation of single column foundation, guarantees the use safety of water prevention plate structure.
In a word, the present invention can avoid splash guard because of the sedimentation generation distortion of single column foundation, and guarantee the use safety of water prevention plate structure, have construction method simple and practical, time saving and energy saving, expense is few, and employment is few, firm stable, the advantage that speed of application is fast and result of use is good.
Claims (5)
1. a underground waterproof plate resistance to deformation construction method, is characterized in that: the method comprises the steps,
(1) meter calculates soil property and the density of job location foundation soil, draws the sedimentation thickness of each single column foundation to the pressure of its lower end foundation soil and lower end foundation soil thereof according to design drawing;
(2) earthwork of job location is first dug to basis end absolute altitude according to design, according to design drawing position on this foundation soil, carry out surveying setting-out, mark the position of each single column foundation;
(3) dig to design elevation according to design drawing by the foundation soil below each single column foundation, carry out the clear groove of single column foundation lower end foundation soil, foundation soil should be comparatively smooth, forms single column foundation ground basal plane;
(4) carry out hand excavation to the foundation soil at other ground position of the splash guard lower portion at each single column foundation position of removing, excavation thickness flushes with the degree of depth of the splash guard lower surface, each single column foundation lower end of design, forms non-only base for post portion ground basal plane;
(5) all tile cushion course on non-only base for post portion ground basal plane, the thickness of cushion course laid is identical with the sedimentation thickness of the lower end foundation soil of each single column foundation, or being greater than sedimentation thickness, cushion course should entirely be layered on non-only base for post portion ground basal plane, must not leak paving;
(6) subsequently on the basal plane be fully made up of single column foundation ground basal plane and non-only base for post portion ground basal plane, carry out the construction of concrete cushion, during concreting bed course, the movement of poly-cushion course should be avoided;
(7) after the concrete of concrete cushion reaches 70 ~ 78% of design strength, more thereon successively in the construction carrying out waterproofing course, fish tail and waterproof layer, splash guard, single column foundation, the construction of underground waterproof plate resistance to deformation is completed.
2. method according to claim 1, is characterized in that: described cushion course is polyphenyl plate, and its density is 18 ~ 22Kg/m3.
3. method according to claim 1, is characterized in that: the thickness of the cushion course of described laying is 1 ~ 1.5: 1 with the ratio of the sedimentation thickness of the lower end foundation soil of each single column foundation.
4. method according to claim 1, is characterized in that: described non-only base for post portion ground basal plane is provided with cushion course, concrete cushion, waterproofing course, fish tail and waterproof layer and splash guard successively.
5. method according to claim 1, is characterized in that: described single column foundation ground basal plane is provided with concrete cushion, waterproofing course, fish tail and waterproof layer, splash guard and single column foundation successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481407.5A CN105178365A (en) | 2015-08-10 | 2015-08-10 | Deformation-resisting construction method for underground waterproof plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510481407.5A CN105178365A (en) | 2015-08-10 | 2015-08-10 | Deformation-resisting construction method for underground waterproof plate |
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| CN105178365A true CN105178365A (en) | 2015-12-23 |
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| CN201510481407.5A Pending CN105178365A (en) | 2015-08-10 | 2015-08-10 | Deformation-resisting construction method for underground waterproof plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306583A (en) * | 2019-07-15 | 2019-10-08 | 中电建建筑集团有限公司 | Ground beam flexible cushion and its construction technology |
| CN112878381A (en) * | 2019-11-29 | 2021-06-01 | 北京京诚华宇建筑设计研究院有限公司 | Method and device for determining soft cushion layer under waterproof board of basement structure |
| CN114411941A (en) * | 2022-01-28 | 2022-04-29 | 山东金城建设有限公司 | Construction method for preventing underground garage from water bottom plate leakage |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10292394A (en) * | 1997-04-14 | 1998-11-04 | Ishikawajima Harima Heavy Ind Co Ltd | Waterproof execution method of underground building frame |
| CN101761096A (en) * | 2009-12-14 | 2010-06-30 | 山东万鑫建设有限公司 | Anti-crack and anti-leak construction method of arranging tower crane foundation below waterproof baseplate |
| CN204139202U (en) * | 2014-09-05 | 2015-02-04 | 上海市政工程设计研究总院（集团）有限公司 | A kind of base arrangement of underground structure |
-
2015
- 2015-08-10 CN CN201510481407.5A patent/CN105178365A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10292394A (en) * | 1997-04-14 | 1998-11-04 | Ishikawajima Harima Heavy Ind Co Ltd | Waterproof execution method of underground building frame |
| CN101761096A (en) * | 2009-12-14 | 2010-06-30 | 山东万鑫建设有限公司 | Anti-crack and anti-leak construction method of arranging tower crane foundation below waterproof baseplate |
| CN204139202U (en) * | 2014-09-05 | 2015-02-04 | 上海市政工程设计研究总院（集团）有限公司 | A kind of base arrangement of underground structure |
Non-Patent Citations (2)
| Title |
|---|
| 李岩: "独立基础加防水板在工程中的应用", 《山西建筑》 * |
| 蔡吉昌: "独立基础加防水板的配筋计算方法", 《中国高新技术企业》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306583A (en) * | 2019-07-15 | 2019-10-08 | 中电建建筑集团有限公司 | Ground beam flexible cushion and its construction technology |
| CN112878381A (en) * | 2019-11-29 | 2021-06-01 | 北京京诚华宇建筑设计研究院有限公司 | Method and device for determining soft cushion layer under waterproof board of basement structure |
| CN114411941A (en) * | 2022-01-28 | 2022-04-29 | 山东金城建设有限公司 | Construction method for preventing underground garage from water bottom plate leakage |
| CN114411941B (en) * | 2022-01-28 | 2023-10-03 | 山东金城建设有限公司 | Construction method for preventing leakage of waterproof bottom plate of underground garage |
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