CN111364477A - Waterproof construction method for penetrating basement exterior wall through support changing structure - Google Patents
Waterproof construction method for penetrating basement exterior wall through support changing structure Download PDFInfo
- Publication number
- CN111364477A CN111364477A CN202010211286.3A CN202010211286A CN111364477A CN 111364477 A CN111364477 A CN 111364477A CN 202010211286 A CN202010211286 A CN 202010211286A CN 111364477 A CN111364477 A CN 111364477A
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- Prior art keywords
- wall
- basement
- support
- changing structure
- construction method
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- 238000010276 construction Methods 0.000 title claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 title claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 239000004035 construction material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a waterproof construction method for a support changing structure to penetrate through an outer wall of a basement, wherein the support changing structure penetrates through the outer wall of the basement, and the waterproof construction method comprises the following steps: firstly, welding a water stop steel plate on the inner and outer circumferences of the joint of the support changing structure and the outer wall of the basement respectively, and keeping a distance between the water stop steel plate and the inner and outer wall surfaces of the outer wall of the basement; step two, after the construction of the basement outer wall is finished and the backfilling is finished, dismantling the support replacing structure; and step three, after the support replacing structure is dismantled, filling the hole at the joint of the support replacing structure and the basement outer wall with micro-expansion concrete higher than the basement outer wall by one grade. By applying the method, the problem that the basement outer wall is easy to leak after the support changing structure is dismantled when the support changing structure penetrates through the basement outer wall can be effectively solved.
Description
Technical Field
The invention belongs to the technical field of building construction, relates to a waterproof method of a basement outer wall in civil engineering construction, and particularly relates to a waterproof construction method for penetrating the basement outer wall through a support replacing structure.
Background
The construction of a foundation pit supporting structure is inevitably accompanied in the construction of underground engineering, and the deeper underground structure is more important in the supporting structure, and the more complicated the design and construction are. According to the progress of engineering, before all underground structures are not constructed and a basement is not backfilled, some supporting structures (such as an inner support) need to be dismantled in advance, in order to ensure the safety of a foundation pit, a replacing support structure (usually a deformed steel bar or a steel lattice inclined support) is usually arranged, the replacing support structure can penetrate through the outer wall of the basement, and after the replacing support structure is dismantled in the later period, the quality hidden danger of outer wall leakage exists.
Disclosure of Invention
Aiming at the problem that the basement outer wall is easy to leak after the support changing structure is removed in the background art, the invention provides the waterproof construction method for the support changing structure to penetrate through the basement outer wall, and the problem in the background art is effectively solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention relates to a waterproof construction method for a support changing structure to penetrate through a basement outer wall, which is characterized by comprising the following steps of:
firstly, welding a water stop steel plate on the inner and outer circumferences of the joint of the support changing structure and the outer wall of the basement respectively, and keeping a distance between the water stop steel plate and the inner and outer wall surfaces of the outer wall of the basement;
step two, after the construction of the basement outer wall is finished and the backfilling is finished, dismantling the support replacing structure; and step three, after the support replacing structure is dismantled, filling the hole at the joint of the support replacing structure and the basement outer wall with micro-expansion concrete higher than the basement outer wall by one grade.
As a further improvement of the technical scheme of the invention, the thickness of the water stop steel plate is 10mm, and the width of the water stop steel plate is 200 mm-300 mm.
As a further improvement of the technical scheme of the invention, the thickness of the water stop steel plate is enough to be left at the inner wall and the outer wall of the basement outer wall by a protective layer.
As a further improvement of the technical scheme of the invention, the support changing structure is a deformed steel pipe inclined support or a steel lattice inclined support.
According to the waterproof construction method for the support changing structure to penetrate through the basement outer wall, the waterproof effect of the support changing structure to penetrate through the basement outer wall is ensured by the two water stop steel plates welded on the inner side and the outer side of the support changing structure and the micro-expansion concrete which is higher than the basement outer wall by one strength level, and the waterproof construction method is relatively low in construction cost, convenient to implement and good in waterproof effect.
Compared with the prior art, the invention has the beneficial effects that: the waterproof construction method for penetrating the basement outer wall through the support changing structure is simple in construction method, common in construction materials, good in effect, strong in practicability and worthy of popularization, and the problem of leakage of the basement outer wall after the support changing structure is dismantled can be effectively solved.
Drawings
FIG. 1 is a schematic view of the present invention showing a support change structure penetrating through an exterior wall of a basement;
FIG. 2 is a schematic structural view of the waterproof construction of the support changing structure penetrating through the outer wall of the basement;
in the figure: 1. a water stop steel plate; 2. micro-expansive concrete; 3. a basement exterior wall; 4. and (5) a support replacing structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the waterproof construction method for the support changing structure to penetrate through the basement exterior wall according to the present invention is characterized in that the waterproof construction method comprises the following steps:
firstly, welding a water stop steel plate 1 on the inner and outer circumferences of the joint of a support changing structure 4 and a basement outer wall 3 respectively, and keeping a distance between the water stop steel plate 1 and the inner and outer wall surfaces of the basement outer wall 3;
step two, after the basement outer wall 3 is constructed and backfilled, the support replacing structure 4 is dismantled; and step three, after the support replacing structure 4 is dismantled, filling the hole at the joint of the support replacing structure 4 and the basement outer wall 3 by using the micro-expansion concrete 2 higher than the basement outer wall by one grade.
In this embodiment, the thickness of the water stop steel plate 1 is 10mm, and the width thereof is 200mm to 300 mm.
In this embodiment, the thickness of the water stop steel plate 1 is enough to leave a protection layer from the inner wall and the outer wall of the basement outer wall 3.
In this embodiment, the support changing structure 4 is a deformed steel bar inclined support or a steel lattice inclined support.
According to the waterproof construction method for the support changing structure to penetrate through the basement outer wall, the waterproof effect of the support changing structure 4 when the support changing structure penetrates through the basement outer wall 3 is ensured by the two water stop steel plates 1 welded on the inner side and the outer side of the support changing structure 4 and the micro-expansion concrete 2 with the strength grade higher than that of the basement outer wall, and the waterproof construction method is common in construction materials, relatively low in construction cost, convenient to implement and good in waterproof effect.
Claims (4)
1. A waterproof construction method for penetrating a basement outer wall through a support changing structure is characterized in that the waterproof construction method comprises the following steps:
firstly, welding a water stop steel plate (1) on the inner and outer circumferences of the joint of a support changing structure (4) and a basement outer wall (3) respectively, and keeping a distance between the water stop steel plate (1) and the inner and outer wall surfaces of the basement outer wall (3);
step two, after the basement outer wall (3) is constructed and backfilled, the support changing structure (4) is dismantled;
and step three, after the support replacing structure (4) is dismantled, filling the hole at the joint of the support replacing structure (4) and the basement outer wall (3) by using micro-expansion concrete (2) which is higher than the basement outer wall by one grade.
2. The waterproof construction method for penetrating through the basement exterior wall by using the support changing structure as claimed in claim 1, wherein the thickness of the water stopping steel plate (1) is 10mm, and the width of the water stopping steel plate is 200 mm-300 mm.
3. The waterproof construction method for penetrating through the basement outer wall by using the support changing structure as claimed in claim 1, wherein the thickness of the water stop steel plate (1) is enough to be a protection layer from the inner wall and the outer wall of the basement outer wall (3).
4. The waterproof construction method for penetrating through the outer wall of the basement by using the support changing structure as claimed in claim 1, wherein the support changing structure (4) is a deformed steel bar diagonal support or a steel lattice diagonal support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211286.3A CN111364477A (en) | 2020-03-24 | 2020-03-24 | Waterproof construction method for penetrating basement exterior wall through support changing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211286.3A CN111364477A (en) | 2020-03-24 | 2020-03-24 | Waterproof construction method for penetrating basement exterior wall through support changing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111364477A true CN111364477A (en) | 2020-07-03 |
Family
ID=71210658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010211286.3A Pending CN111364477A (en) | 2020-03-24 | 2020-03-24 | Waterproof construction method for penetrating basement exterior wall through support changing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111364477A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523226A (en) * | 2020-12-10 | 2021-03-19 | 广州市城市规划勘测设计研究院 | Basement structure based on foundation pit support and construction method thereof |
| CN116084428A (en) * | 2022-12-27 | 2023-05-09 | 上海市建工设计研究总院有限公司 | Water stopping structure for through-wall construction of horizontal steel pipe support in foundation pit and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202073192U (en) * | 2011-06-01 | 2011-12-14 | 内蒙古电力勘测设计院 | Reinforcement and anti-leakage structure for hole on existing reinforced concrete wall |
| CN203878623U (en) * | 2014-04-14 | 2014-10-15 | 中国建筑第八工程局有限公司 | Foundation trench supporting structure |
| CN106907544A (en) * | 2017-02-28 | 2017-06-30 | 中国十七冶集团有限公司 | A method for sealing abandoned pre-buried pipelines in basement exterior walls |
| CN209585054U (en) * | 2018-12-24 | 2019-11-05 | 上海建工二建集团有限公司 | Be used for foundation ditch to speedily carry out rescue work emergent bracing fast |
-
2020
- 2020-03-24 CN CN202010211286.3A patent/CN111364477A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202073192U (en) * | 2011-06-01 | 2011-12-14 | 内蒙古电力勘测设计院 | Reinforcement and anti-leakage structure for hole on existing reinforced concrete wall |
| CN203878623U (en) * | 2014-04-14 | 2014-10-15 | 中国建筑第八工程局有限公司 | Foundation trench supporting structure |
| CN106907544A (en) * | 2017-02-28 | 2017-06-30 | 中国十七冶集团有限公司 | A method for sealing abandoned pre-buried pipelines in basement exterior walls |
| CN209585054U (en) * | 2018-12-24 | 2019-11-05 | 上海建工二建集团有限公司 | Be used for foundation ditch to speedily carry out rescue work emergent bracing fast |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523226A (en) * | 2020-12-10 | 2021-03-19 | 广州市城市规划勘测设计研究院 | Basement structure based on foundation pit support and construction method thereof |
| CN112523226B (en) * | 2020-12-10 | 2022-04-22 | 广州市城市规划勘测设计研究院 | Basement structure based on foundation pit support and construction method thereof |
| CN116084428A (en) * | 2022-12-27 | 2023-05-09 | 上海市建工设计研究总院有限公司 | Water stopping structure for through-wall construction of horizontal steel pipe support in foundation pit and construction method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200703 |
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| RJ01 | Rejection of invention patent application after publication |