CN114411817A - Basement roof post-cast strip local advanced sealing structure and construction method thereof - Google Patents
Basement roof post-cast strip local advanced sealing structure and construction method thereof Download PDFInfo
- Publication number
- CN114411817A CN114411817A CN202210151250.XA CN202210151250A CN114411817A CN 114411817 A CN114411817 A CN 114411817A CN 202210151250 A CN202210151250 A CN 202210151250A CN 114411817 A CN114411817 A CN 114411817A
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- post
- cast strip
- basement
- steel plate
- plastic steel
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- 238000010276 construction Methods 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 60
- 239000010959 steel Substances 0.000 claims abstract description 60
- 239000000126 substance Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Classifications
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- 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
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- 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)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a local advanced sealing structure of a post-cast strip of a roof of an underground chamber and a construction method thereof, wherein the structure comprises the following steps: the plastic steel plate is lapped on the top plates of the basement at two opposite sides of the post-cast strip; the limiting rods are respectively arranged on two opposite sides of the plastic steel plate, the lower ends of the limiting rods are implanted into the top plate of the basement, and the upper ends of the limiting rods are fixedly connected to the side parts of the plastic steel plate; and the supporting assembly is fixedly arranged on a foundation structure of the basement and comprises a first supporting frame, a plurality of second supporting frames and a connecting beam, the first supporting frame, the plurality of second supporting frames and the connecting beam are supported on the plastic steel plate, the plurality of second supporting frames are respectively supported on top plates of the basement on two opposite sides of the post-cast strip, the plurality of second supporting frames are arranged on two opposite sides of the first supporting frame, and the connecting beam is connected between the first supporting frame and the second supporting frame. The method solves the problem that the construction progress is influenced due to the position conflict between the secondary structure construction station and the post-cast strip of the basement top plate.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a local advanced sealing structure of a post-cast strip of a top plate of an underground chamber and a construction method thereof.
Background
In some building structures, the basement roof is provided with post-cast strips. According to design requirements, pouring should be carried out after the main structure construction is finished and the settlement is stable. However, in order to ensure on-site flow construction in actual construction, a construction elevator such as a secondary structure must be inserted in advance for construction. When the basic position of construction elevator conflicts with the post-cast strip, then can lead to the secondary structure to be under construction smoothly for the construction progress receives the influence.
Disclosure of Invention
In order to overcome the defects in the prior art, the local advanced sealing structure of the post-cast strip of the top plate of the basement and the construction method thereof are provided so as to solve the problem that the construction progress is influenced due to position conflict between a secondary structure construction station and the post-cast strip of the top plate of the basement.
To achieve the above object, there is provided a local advanced closing structure of a post-cast strip of a roof of an underground chamber, comprising:
the plastic steel plate is used for shielding the early closing section of the post-cast strip and is lapped on the top plates of the basement at two opposite sides of the post-cast strip;
the limiting rods are respectively arranged on two opposite sides of the plastic steel plate, the lower ends of the limiting rods are implanted into the top plate of the basement, and the upper ends of the limiting rods are fixedly connected to the side parts of the plastic steel plate; and
the supporting assembly comprises a first supporting frame, a plurality of second supporting frames and a connecting beam, wherein the first supporting frame is supported on the plastic steel plate, the second supporting frames are respectively supported on the top plates of the basement on the two opposite sides of the post-cast strip, the second supporting frames are arranged on the two opposite sides of the first supporting frame, and the connecting beam is connected between the first supporting frame and the second supporting frame.
Further, the plastic steel plate is arranged along the length direction of the post-cast strip.
Furthermore, a plurality of the limiting rods are arranged at intervals along the length direction of the plastic steel plate.
Furthermore, the limiting rod is a chemical anchor bolt.
Furthermore, the upper end of the positioning rod is in full-welding connection with the side part of the plastic steel plate.
Further, the first support frame and the second support frame are steel pipe frames.
The invention provides a construction method of a local advanced sealing structure of a post-cast strip of a top plate of an underground chamber, which comprises the following steps:
laying a plastic steel plate on the early closing section of the post-cast strip, so that the plastic steel plate is lapped on the top plates of the basement on two opposite sides of the post-cast strip to shield the early closing section of the post-cast strip;
fixedly arranging a supporting assembly on a basement foundation structure, wherein a first supporting frame of the supporting assembly is supported below the plastic steel plate, and a plurality of second supporting frames of the supporting assembly are respectively supported on the basement top plates on two opposite sides of the post-cast strip;
and respectively arranging a plurality of limiting rods on two opposite sides of the plastic steel plate, implanting the lower ends of the limiting rods into the top plate of the basement, and fixedly connecting the upper ends of the limiting rods to the side parts of the plastic steel plate.
The underground chamber roof post-cast strip local advanced sealing structure has the advantages that the underground chamber roof post-cast strip local advanced sealing structure is suitable for post-cast strip construction, and in order to not influence the construction of the upper structure of the post-cast strip and weaken the influence of uneven settlement on two sides of the post-cast strip, the underground chamber roof post-cast strip local advanced sealing structure is applied to improve the construction progress and ensure the safety. According to the local advanced sealing structure of the post-cast strip of the basement roof, the vertical deformation caused by uneven settlement of the two sides of the post-cast strip is counteracted by utilizing the plastic deformation capacity of the steel plate, the upper concrete and other loads are transferred to the foundation and the foundation by utilizing the good bearing capacity of the frame body and the steel plate, and the horizontal displacement of the steel plate is limited by utilizing the limiting devices on the two sides of the post-cast strip; the influence of uneven settlement of the two sides of the post-cast strip on the upper structure is effectively controlled, and the construction progress and the construction safety are ensured.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a local advanced closing structure of a basement roof post-cast strip according to an embodiment of the invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
FIG. 3 is a top view of a basement roof post-cast strip partial premature closing structure of an embodiment of the invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 3, the present invention provides a local advanced closing structure of a late poured band of a roof of a subsurface chamber, including: plastic steel plate 1, many gag lever posts 2, supporting component 3.
Wherein the plastic steel plate 1 is lapped on the basement top plate 4 at two opposite sides of the post-cast strip 40. The plastic steel plate 1 is used to shield the early closure section of the post-cast strip 40.
The limiting rods 2 are respectively arranged on two opposite sides of the plastic steel plate 1. The lower end of the limiting rod 2 is embedded into a top plate 4 of the basement. The upper end of the limiting rod 2 is fixedly connected to the side part of the plastic steel plate 1.
The support assembly 3 is fixedly arranged on the basement foundation structure 5. The support assembly 3 includes a first support frame 31, a plurality of second support frames 32, and a tie beam 33.
Specifically, the first support frame 31 is supported by the plastic steel plate 1. A plurality of second support brackets 32 are supported on the top slab 4 of the basement on opposite sides of the post-cast strip 40. A plurality of second support brackets 32 are disposed at opposite sides of the first support bracket 31. The tie beam 33 is connected between the first support frame 31 and the second support frame 32.
The local advanced closing structure of the basement roof post-cast strip is suitable for post-cast strip construction, and is applied to improve construction progress and safety guarantee in order to avoid influencing construction of an upper structure of the post-cast strip and weakening influence of uneven settlement of two sides of the post-cast strip. According to the local advanced sealing structure of the post-cast strip of the basement roof, the vertical deformation caused by uneven settlement of the two sides of the post-cast strip is counteracted by utilizing the plastic deformation capacity of the steel plate, the upper concrete and other loads are transferred to the foundation and the foundation by utilizing the good bearing capacity of the frame body and the steel plate, and the horizontal displacement of the steel plate is limited by utilizing the limiting devices on the two sides of the post-cast strip; the influence of uneven settlement of the two sides of the post-cast strip on the upper structure is effectively controlled, and the construction progress and the construction safety are ensured.
In the present embodiment, the plastic steel sheet 1 is disposed along the longitudinal direction of the post-cast strip 40. The plurality of stopper rods 2 are arranged at intervals along the length direction of the plastic steel plate 1.
In this embodiment, the stop rod 2 is a steel bar or a chemical anchor. The spacing rods 2 are arranged at intervals of 1 meter along the length direction of the plastic steel plate.
Wherein, the upper end of the positioning rod is welded and connected with the side part of the plastic steel plate 1. The positioning rod is planted after the structural strength of the basement top plates on two sides of the post-cast strip meets the requirement.
In a preferred embodiment, the first support frame 31 and the second support frame 32 are steel pipe frames.
The second support frame 32 is set up in advance during concrete construction of the basement roof on both sides of the post-cast strip, the first support frame 31 is set up after the plastic steel plate on the upper portion is laid and props up the plastic steel plate, and then a limiting rod is set up to limit horizontal displacement of the plastic steel plate.
The first support frame and the second support frame are connected by the steel pipe frame according to the height of the site, and the frame bodies are at least provided with three rows. The upper parts of the first support frames in the middle row are supported on the plastic steel plate, and the upper parts of the second support frames on the other two sides are supported on the concrete of the basement top plates on the two sides of the post-cast strip. The lower portions of the first and second support brackets are supported on a structural foundation surface (e.g., a floor or slab) of the basement.
The invention provides a construction method of a local advanced sealing structure of a post-cast strip of a top plate of an underground chamber, which is characterized by comprising the following steps of:
s1: and laying the plastic steel plate 1 on the early closing section of the post-cast strip 40, so that the plastic steel plate 1 is lapped on the top plate 4 of the basement on two opposite sides of the post-cast strip 40 to shield the early closing section of the post-cast strip 40.
S2: the supporting assembly 3 is fixedly arranged on the basement foundation structure, so that the first supporting frame 31 of the supporting assembly 3 is supported below the plastic steel plate 1, and the plurality of second supporting frames 32 of the supporting assembly 3 are respectively supported on the basement top plate 4 on two opposite sides of the post-cast strip 40.
Wherein, the second supporting frame 32 is set up in advance when the concrete of the basement roof on both sides of the post-cast strip is constructed, and the first supporting frame 31 is set up after the plastic steel plate on the upper portion is laid and is pushed against the plastic steel plate.
S3: the relative both sides of plasticity steel sheet 1 respectively set up many gag lever posts 2, implant in basement roof 4, with the lower extreme of gag lever post 2 upper end fixed connection in the lateral part of plasticity steel sheet 1.
After the local advanced closed structure construction of the basement roof post-cast strip is carried out, a secondary structure (such as a foundation of a construction elevator) can be constructed on the upper part of the basement roof post-cast strip, so that the influence on the flow construction of the engineering is avoided, and the construction progress of the engineering is improved.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. A local advanced closing structure of a post-cast strip of a top plate of an underground chamber is characterized by comprising:
the plastic steel plate is used for shielding the early closing section of the post-cast strip and is lapped on the top plates of the basement at two opposite sides of the post-cast strip;
the limiting rods are respectively arranged on two opposite sides of the plastic steel plate, the lower ends of the limiting rods are implanted into the top plate of the basement, and the upper ends of the limiting rods are fixedly connected to the side parts of the plastic steel plate; and
the supporting assembly comprises a first supporting frame, a plurality of second supporting frames and a connecting beam, wherein the first supporting frame is supported on the plastic steel plate, the second supporting frames are respectively supported on the top plates of the basement on the two opposite sides of the post-cast strip, the second supporting frames are arranged on the two opposite sides of the first supporting frame, and the connecting beam is connected between the first supporting frame and the second supporting frame.
2. The basement roof post-cast strip partial early sealing structure according to claim 1, wherein the plastic steel plate is disposed along a length direction of the post-cast strip.
3. The basement roof post-cast strip partial early sealing structure according to claim 2, wherein a plurality of the limiting rods are arranged at intervals along the length direction of the plastic steel plate.
4. The basement roof post-cast strip partial early sealing structure according to claim 3, wherein the limiting rod is a chemical anchor bolt.
5. The basement roof post-cast strip partial early sealing structure according to claim 1, wherein the upper ends of the positioning rods are connected to the side portions of the plastic steel plates by full-weld welding.
6. The basement roof post-cast strip partial early sealing structure according to claim 1, wherein the first and second support brackets are steel pipe brackets.
7. A construction method of a local early sealing structure of a post-cast strip of a basement roof as claimed in any one of claims 1-6, characterized by comprising the following steps:
laying a plastic steel plate on the early closing section of the post-cast strip, so that the plastic steel plate is lapped on the top plates of the basement on two opposite sides of the post-cast strip to shield the early closing section of the post-cast strip;
fixedly arranging a supporting assembly on a basement foundation structure, wherein a first supporting frame of the supporting assembly is supported below the plastic steel plate, and a plurality of second supporting frames of the supporting assembly are respectively supported on the basement top plates on two opposite sides of the post-cast strip;
and respectively arranging a plurality of limiting rods on two opposite sides of the plastic steel plate, implanting the lower ends of the limiting rods into the top plate of the basement, and fixedly connecting the upper ends of the limiting rods to the side parts of the plastic steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210151250.XA CN114411817B (en) | 2022-02-16 | 2022-02-16 | Basement roof post-pouring strip local advanced sealing structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210151250.XA CN114411817B (en) | 2022-02-16 | 2022-02-16 | Basement roof post-pouring strip local advanced sealing structure and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114411817A true CN114411817A (en) | 2022-04-29 |
| CN114411817B CN114411817B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210151250.XA Active CN114411817B (en) | 2022-02-16 | 2022-02-16 | Basement roof post-pouring strip local advanced sealing structure and construction method thereof |
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| Country | Link |
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| CN (1) | CN114411817B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208533575U (en) * | 2018-05-17 | 2019-02-22 | 中冶天工集团天津有限公司 | A kind of pre- closure grouting device of basement roof pouring after settlement |
| CN111236321A (en) * | 2020-03-23 | 2020-06-05 | 启迪设计集团股份有限公司 | Pre-closed waterproof post-cast strip structure |
| CN212153770U (en) * | 2020-04-17 | 2020-12-15 | 山东天齐置业集团股份有限公司 | Garage post-cast strip seals construction structures in advance |
| CN212248384U (en) * | 2020-05-20 | 2020-12-29 | 中建八局第四建设有限公司 | Sealing device for post-cast strip of top plate of underground chamber |
| CN112343091A (en) * | 2020-12-21 | 2021-02-09 | 中国建筑第四工程局有限公司 | Subside post-cast strip structure sealed in advance |
| WO2021228189A1 (en) * | 2020-05-15 | 2021-11-18 | 中建三局第三建设工程有限责任公司 | Reusable post-cast strip support replacement force transfer device and construction method therefor |
| CN114016552A (en) * | 2021-11-18 | 2022-02-08 | 中铁十二局集团建筑安装工程有限公司 | Pre-sealing construction method for basement roof settlement post-cast strip |
-
2022
- 2022-02-16 CN CN202210151250.XA patent/CN114411817B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208533575U (en) * | 2018-05-17 | 2019-02-22 | 中冶天工集团天津有限公司 | A kind of pre- closure grouting device of basement roof pouring after settlement |
| CN111236321A (en) * | 2020-03-23 | 2020-06-05 | 启迪设计集团股份有限公司 | Pre-closed waterproof post-cast strip structure |
| CN212153770U (en) * | 2020-04-17 | 2020-12-15 | 山东天齐置业集团股份有限公司 | Garage post-cast strip seals construction structures in advance |
| WO2021228189A1 (en) * | 2020-05-15 | 2021-11-18 | 中建三局第三建设工程有限责任公司 | Reusable post-cast strip support replacement force transfer device and construction method therefor |
| CN212248384U (en) * | 2020-05-20 | 2020-12-29 | 中建八局第四建设有限公司 | Sealing device for post-cast strip of top plate of underground chamber |
| CN112343091A (en) * | 2020-12-21 | 2021-02-09 | 中国建筑第四工程局有限公司 | Subside post-cast strip structure sealed in advance |
| CN114016552A (en) * | 2021-11-18 | 2022-02-08 | 中铁十二局集团建筑安装工程有限公司 | Pre-sealing construction method for basement roof settlement post-cast strip |
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| Publication number | Publication date |
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| CN114411817B (en) | 2024-03-12 |
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