CN115142468B - Waterproof construction method for junction of bottom plates of new basement and old basement - Google Patents
Waterproof construction method for junction of bottom plates of new basement and old basement Download PDFInfo
- Publication number
- CN115142468B CN115142468B CN202210746968.3A CN202210746968A CN115142468B CN 115142468 B CN115142468 B CN 115142468B CN 202210746968 A CN202210746968 A CN 202210746968A CN 115142468 B CN115142468 B CN 115142468B
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- Prior art keywords
- bottom plate
- new
- old
- basement
- water stop
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 239000004575 stone Substances 0.000 claims abstract description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 9
- 125000006850 spacer group Chemical group 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000004746 geotextile Substances 0.000 claims description 3
- 239000004588 polyurethane sealant Substances 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000011505 plaster Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- 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
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The application provides a waterproof construction method for the junction of a new basement bottom plate and an old basement bottom plate, which relates to the technical field of building construction waterproofing and comprises the following steps: firstly, carrying out field leveling on one side of a new bottom plate, pouring a cushion layer to reach the design elevation of the bottom plate, and then releasing a groove line along the edge of the old bottom plate; excavating earth and stone along the grooved line from one side of the new bottom plate to one side of the lower part of the old bottom plate; after the earth and stone side excavated in the groove is cleaned, fixing a steel plate water stop belt on the bottom of the old bottom plate through an installation hole by using an anchor; waterproof layer construction is carried out from the slotting position of the old bottom plate to the other end of the new bottom plate extension; binding a new bottom plate reinforcing steel bar net sheet, and fixing one side of the rest steel plate water stop on the new bottom plate reinforcing steel bar through a steel plate water stop mounting hole; pouring concrete at the slotting position and the new bottom plate simultaneously, and curing; and when the concrete of the new bottom plate reaches the required strength, removing the spacer at the junction of the new bottom plate and the old bottom plate to form an expansion joint. By adopting the construction method, the waterproof effect between the new bottom plate and the old bottom plate of the basement is better.
Description
Technical Field
The application relates to the technical field of building construction waterproofing, in particular to a waterproofing construction method for the junction of a new basement bottom plate and an old basement bottom plate.
Background
The basement bottom plate is waterproof, and particularly in areas with rich groundwater, the basement bottom plate is generally constructed in a mode of paving waterproof coiled materials on a cushion layer and then integrally casting impervious concrete raft plates in situ, so that the basement bottom plate is guaranteed to be water-permeable. However, when the basement is required to be expanded or extended, the problem of water seepage at the junction of the bottom plates of the new basement and the old basement is easy to occur.
Disclosure of Invention
In order to solve the problem that water seepage easily occurs at the junction of the bottom plates of the new basement and the old basement when the basement is expanded or extended, the application provides a waterproof construction method for the junction of the bottom plates of the new basement and the old basement.
The application provides a waterproof construction method of new and old basement bottom plate juncture adopts following technical scheme:
a waterproof construction method for the junction of a new basement bottom plate and an old basement bottom plate comprises the following steps:
s1, firstly carrying out field leveling on one side of a new bottom plate, pouring a cushion layer to reach the design elevation of the bottom plate, and then releasing a slot line along the edge of the old bottom plate, wherein the slot line occupies 300mm of one side of the new bottom plate;
s2, excavating earth and stone along a slotting line, wherein the depth of the earth and stone is 300mm from one side of the new bottom plate to one side of the lower part of the old bottom plate, and the excavation depth is controlled to be 300mm;
s3, after the earth and stone excavated in the groove is cleaned, fixing a steel plate water stop belt on the bottom of the old bottom plate through the mounting holes by using anchors;
s4, waterproof layer construction is carried out from the slotting position of the old bottom plate to the other end of the new bottom plate extension;
s5, binding a new bottom plate reinforcing steel bar net sheet, and fixing one side of the rest steel plate water stop on the new bottom plate reinforcing steel bar through a steel plate water stop mounting hole;
s6, after the side template of the new bottom plate is closed, pouring concrete at the slotting position and the new bottom plate at the same time, and curing;
and S7, after the concrete of the new bottom plate reaches the required strength, removing the spacer at the junction of the new bottom plate and the old bottom plate to form an expansion joint.
Optionally, before fixing the steel plate water stop, cleaning the base layer on the bottom surface of the old bottom plate, and brushing the interface adhesive plaster, wherein one side of the middle axis of the steel plate water stop is arranged at the position of the old bottom plate coated with the interface adhesive plaster when the steel plate water stop is fixed.
Optionally, after the waterproof layer is constructed, geotextile is paved on the waterproof layer to protect the waterproof layer.
Optionally, spacers with the thickness required by design are embedded in the upper parts of the junction of the new bottom plate and the old bottom plate and the middle axis of the steel plate water stop.
Optionally, when installing the steel sheet waterstop, fix the steel sheet of waterstop both sides at different horizontal plane heights, make the waterstop be vertical setting.
Optionally, polyurethane sealant is embedded in the expansion joint to serve as expansion joint filler.
In summary, the present application comprises at least one of the following beneficial effects: the anti-Z-shaped steel plate water stop is manufactured, the construction is simple and efficient, the vertical contact surface of the junction of the bottom plate of the old basement and the new plate is not damaged, and the water seepage of cracks caused by expansion of the new bottom plate and the old bottom plate can be prevented.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present application.
Reference numerals illustrate:
1. old bottom plate; 2. a new bottom plate; 3. a steel plate water stop; 4. reinforcing steel bar meshes; 5. expansion joints.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1.
The embodiment of the application discloses a waterproof construction method for the junction of a new basement bottom plate and an old basement bottom plate. Referring to fig. 1, a waterproof construction method for a junction of a new basement bottom plate and an old basement bottom plate comprises the following steps:
s1, firstly carrying out field leveling on one side of a new bottom plate 2, pouring a cushion layer to reach the design elevation of the bottom plate, and then releasing a groove line along the edge of the old bottom plate 1, wherein the groove line occupies 300mm on one side of the new bottom plate.
S2, excavating earth and stone along the grooving line, wherein the depth of the grooving line is 300mm from one side of the new bottom plate 2 to one side of the lower part of the old bottom plate 1, and the excavation depth is controlled to be 300mm.
S3, after the earth and stone sides excavated in the groove are cleaned, the steel plate water stop 3 is fixed at the bottom of the old bottom plate 1 through the mounting holes by using anchors, before the steel plate water stop 3 is fixed, the base layer on the bottom surface of the old bottom plate 1 is cleaned up and then is coated with the interface adhesive plaster, and when the steel plate water stop 3 is fixed, one side of the middle axis of the steel plate water stop is arranged at the position of the old bottom plate coated with the interface adhesive plaster.
S4, performing waterproof layer construction from the slotting position of the old bottom plate 1 to the other end of the new bottom plate 2, and paving geotextiles on the waterproof layer to protect the waterproof layer after performing waterproof layer construction.
S5, binding a reinforcing steel bar net piece 4 of the new bottom plate 2 on geotechnical cloth, fixing one side of the rest steel plate water stop 3 on the reinforcing steel bar net piece 4 of the new bottom plate 2 through a mounting hole of the steel plate water stop 3, enabling the steel plate water stop 3 to be in a reverse Z shape, enabling the rubber water stop in the middle of two steel plates to be in a vertical state, and playing a waterproof role on gaps between the new bottom plate and the old bottom plate.
S6, after the side template of the new bottom plate 2 is closed, pouring concrete at the slotting position and the new bottom plate 2 at the same time, and curing.
And S7, after the new bottom plate concrete reaches the required strength, removing the spacer at the junction of the new bottom plate and the old bottom plate to form an expansion joint 5, and embedding polyurethane sealant into the expansion joint 5 to serve as filler of the expansion joint 5.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (4)
1. A waterproof construction method for the junction of a new basement bottom plate and an old basement bottom plate comprises the following steps:
s1, firstly carrying out field leveling on one side of a new bottom plate, pouring a cushion layer to reach the design elevation of the bottom plate, and then releasing a slot line along the edge of the old bottom plate, wherein the slot line occupies 300mm of one side of the new bottom plate;
s2, excavating earth and stone along a slotting line, wherein the depth of the earth and stone is 300mm from one side of the new bottom plate to one side of the lower part of the old bottom plate, and the excavation depth is controlled to be 300mm;
s3, after the earth and stone excavated in the groove is cleaned, fixing a steel plate water stop belt on the bottom of the old bottom plate through the mounting holes by using anchors;
s4, waterproof layer construction is carried out from the slotting position of the old bottom plate to the other end of the new bottom plate extension;
s5, binding a new bottom plate reinforcing steel bar net sheet, and fixing one side of the rest steel plate water stop on the new bottom plate reinforcing steel bar through a steel plate water stop mounting hole;
s6, after the side template of the new bottom plate is closed, pouring concrete at the slotting position and the new bottom plate at the same time, and curing;
s7, when the concrete of the new bottom plate reaches the required strength, removing the spacer at the junction of the new bottom plate and the old bottom plate to form an expansion joint;
a spacer with the thickness required by design is embedded in the upper part of the junction of the new bottom plate and the old bottom plate and the middle axis of the steel plate water stop;
when the steel plate water stop is installed, the steel plates on two sides of the water stop are fixed at different horizontal plane heights, so that the water stop is vertically arranged.
2. The waterproof construction method for the junction of the bottom plates of the new basement and the old basement according to claim 1, wherein the waterproof construction method comprises the following steps: before fixing the steel plate water stop, cleaning the base layer on the bottom surface of the old bottom plate, and brushing an interface adhesive patch.
3. The waterproof construction method for the junction of the bottom plates of the new basement and the old basement according to claim 1, wherein the waterproof construction method comprises the following steps: and after the waterproof layer is constructed, geotextile is paved on the waterproof layer to protect the waterproof layer.
4. The waterproof construction method for the junction of the bottom plates of the new basement and the old basement according to claim 1, wherein the waterproof construction method comprises the following steps: polyurethane sealant is embedded in the expansion joint to serve as expansion joint filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210746968.3A CN115142468B (en) | 2022-06-29 | 2022-06-29 | Waterproof construction method for junction of bottom plates of new basement and old basement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210746968.3A CN115142468B (en) | 2022-06-29 | 2022-06-29 | Waterproof construction method for junction of bottom plates of new basement and old basement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115142468A CN115142468A (en) | 2022-10-04 |
| CN115142468B true CN115142468B (en) | 2024-03-29 |
Family
ID=83409296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210746968.3A Active CN115142468B (en) | 2022-06-29 | 2022-06-29 | Waterproof construction method for junction of bottom plates of new basement and old basement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115142468B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2801916Y (en) * | 2005-04-20 | 2006-08-02 | 贵阳铝镁设计研究院 | Water-proof expansion seam structure of joint of new-old concrete building |
| JP2009215732A (en) * | 2008-03-07 | 2009-09-24 | Tajima Roofing Inc | Repairing coated film waterproofing method |
| CN207512937U (en) * | 2017-10-19 | 2018-06-19 | 林亮 | A kind of new-old concrete crossover node side wall waterproofing of movement joints construction |
| CN109356201A (en) * | 2018-10-19 | 2019-02-19 | 中铁第四勘察设计院集团有限公司 | A kind of the interface waterproof construction and interface method for waterproofing of new-old concrete |
| CN112609746A (en) * | 2020-12-11 | 2021-04-06 | 中国建筑第五工程局有限公司 | New and old basement joint concrete waterproof component and construction method thereof |
| CN112982694A (en) * | 2021-02-24 | 2021-06-18 | 无锡市东方雨虹防水工程有限公司 | Waterproof structure and construction method for basement extension building junction structure |
| CN216130188U (en) * | 2021-06-02 | 2022-03-25 | 中建四局第一建设有限公司 | Waterproof construction of new and old structure junction |
-
2022
- 2022-06-29 CN CN202210746968.3A patent/CN115142468B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2801916Y (en) * | 2005-04-20 | 2006-08-02 | 贵阳铝镁设计研究院 | Water-proof expansion seam structure of joint of new-old concrete building |
| JP2009215732A (en) * | 2008-03-07 | 2009-09-24 | Tajima Roofing Inc | Repairing coated film waterproofing method |
| CN207512937U (en) * | 2017-10-19 | 2018-06-19 | 林亮 | A kind of new-old concrete crossover node side wall waterproofing of movement joints construction |
| CN109356201A (en) * | 2018-10-19 | 2019-02-19 | 中铁第四勘察设计院集团有限公司 | A kind of the interface waterproof construction and interface method for waterproofing of new-old concrete |
| CN112609746A (en) * | 2020-12-11 | 2021-04-06 | 中国建筑第五工程局有限公司 | New and old basement joint concrete waterproof component and construction method thereof |
| CN112982694A (en) * | 2021-02-24 | 2021-06-18 | 无锡市东方雨虹防水工程有限公司 | Waterproof structure and construction method for basement extension building junction structure |
| CN216130188U (en) * | 2021-06-02 | 2022-03-25 | 中建四局第一建设有限公司 | Waterproof construction of new and old structure junction |
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| Publication number | Publication date |
|---|---|
| CN115142468A (en) | 2022-10-04 |
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