CN209975502U - Transverse connecting structure of assembled underground diaphragm wall - Google Patents
Transverse connecting structure of assembled underground diaphragm wall Download PDFInfo
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- CN209975502U CN209975502U CN201920355495.8U CN201920355495U CN209975502U CN 209975502 U CN209975502 U CN 209975502U CN 201920355495 U CN201920355495 U CN 201920355495U CN 209975502 U CN209975502 U CN 209975502U
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Abstract
The utility model relates to an assembled underground continuous wall transverse connection structure belongs to underground structure and maintains and construction technical field. The prefabricated steel reinforcement cage comprises a prefabricated straight line wall body, a prefabricated broken line wall body and an H-shaped total reinforcement cage. The prefabricated continuous wall body is of a reinforced concrete structure, the left side and the right side of the prefabricated continuous wall body are provided with the convex-shaped notches, the steel bars are bent according to the convex shapes, the prefabricated continuous wall body is placed in the dug groove section of the continuous wall body to be connected, the two convex-shaped notches are butted with the H-shaped notch, the H-shaped main reinforcement cage is placed into the H-shaped main reinforcement cage, concrete is poured for connection, and after all the wall bodies are spliced, the gap is filled with concrete to complete construction. The utility model discloses bear the weight of the dynamic height, the transportation is convenient, and it is not fragile on the way to transport, and the installation is convenient, and cast in situ part is few, and economic effect is better, is favorable to shortening the cost and reduces the time limit for a project.
Description
Technical Field
The utility model belongs to the technical field of underground structure is maintained and construction, in particular to assembled underground continuous wall transverse connection structure.
Background
After decades of development, the technology of underground continuous walls is well developed, wherein japan is the most developed in the technology, and has been built up over 1500 ten thousand square meters in an accumulated manner, the maximum excavation depth of the underground continuous walls is 140m, and the thinnest underground continuous walls are 20cm in thickness. In 1958, the dam impervious wall is firstly built by the hydropower department in Qingdao Danzi mouth reservoirs in China by using the technology, and by 2013, the technology is successively applied to most provinces in China, and the built underground continuous wall is estimated to be 120-140 ten thousand square meters. Underground diaphragm walls have been and are being used in many aspects of foundation engineering in place of many traditional construction methods. In its early stage, it is basically used as a diaphragm wall or a temporary retaining wall. Increasingly, they are used as part of structures or as host structures through the development and use of many new technologies, new devices and new materials.
The urban construction in China develops rapidly, and large foundation pit projects and the like related to commercial houses, urban rail transit stations and the like have wide requirements on the underground continuous wall which is an enclosure structure, but the requirements on environmental protection are more and more urgent and the requirements on safety, construction period and the like are more and more strict along with the increasing shortage of urban space, and the traditional construction method of the underground continuous wall cannot completely meet the requirements on the urban construction. In partial construction sites, the control of urban noise, mud discharge and the like is strict, and a novel construction method of the underground diaphragm wall is urgently needed in an area with limited construction disturbance time so as to meet engineering requirements.
The occurrence of the assembly type underground continuous wall provides possibility for solving the problems, the construction period can be effectively shortened, but the existing assembly type underground continuous wall has the problems of unreliable connection, water seepage and the like, and the assembly type underground continuous wall and the connection method which are convenient to transport, convenient to construct, safe and reliable are urgently needed to be provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an assembled underground continuous wall transverse connection structure mainly connects reliably for developing one kind, and construction convenience, the transportation is convenient, is favorable to the assembled underground continuous wall transverse connection structure of reduction of erection time.
The utility model adopts the technical scheme as follows:
the utility model relates to a transverse connection structure of an assembled underground continuous wall, which comprises a prefabricated linear wall body, a prefabricated broken line wall body and an H-shaped main reinforcement cage;
the prefabricated straight line wall body is a reinforced concrete member prefabricated in a factory, the thickness of the prefabricated straight line wall body is about 100mm thinner than that of the groove section of the continuous wall, convex-shaped notches are respectively arranged on the left side and the right side of the prefabricated straight line wall body, and the straight line wall body reinforcement cages inside the prefabricated straight line wall body are arranged on the convex-shaped notch sections on the left side and the right side according to the trend of the convex-shaped notches;
the prefabricated broken line wall body is a factory-prefabricated reinforced concrete component with the zigzag gaps at the two ends of the broken line, the prefabricated broken line wall body is L-shaped, and reinforcing cages of the internal broken line wall body are arranged in the zigzag gap sections at the two ends according to the trend of the zigzag gaps; every two convex-shaped gaps can be combined into an H-shaped gap, the H-shaped total reinforcement cage is a field welding component, the height of the H-shaped total reinforcement cage is consistent with that of the prefabricated linear wall body and the prefabricated broken line wall body, the length and the width of the H-shaped total reinforcement cage are shorter than the H-shaped gaps formed by the convex-shaped gaps, and the H-shaped gaps are fixed by the H-shaped total reinforcement cage;
the continuous wall groove section is a long and narrow deep groove excavated by applying a grooving machine along the peripheral axis of the deep excavation project under the condition of slurry wall protection. And all outer surfaces of the prefabricated linear wall body and the prefabricated broken line wall body are coated with waterproof materials.
The utility model discloses a construction method does: and excavating a continuous wall groove section at a construction site along the peripheral axis of the project to be excavated under the action of a slurry retaining wall, placing the prefabricated linear wall body and the prefabricated broken line wall body in the continuous wall groove section, placing an H-shaped general reinforcement cage at an H-shaped gap formed by every two convex-shaped gaps, pouring concrete to connect the prefabricated linear wall body and the prefabricated broken line wall body into a whole, and filling the gaps between the prefabricated linear wall body and the continuous wall groove section and the prefabricated broken line wall body with the concrete to finish construction.
The beneficial effects of the utility model
The utility model discloses an effect and advantage are that connect reliably, bear the weight of the dynamic height, and construction speed is very fast, and the scene concatenation need not too many processes, is favorable to the reduction of erection time, is favorable to reducing the difficulty on the way of the transportation, and economic effect is better.
Drawings
Fig. 1 is the structure schematic diagram of the prefabricated straight line wall of the utility model.
Fig. 2 is the utility model discloses straight line wall body steel reinforcement cage arrangement diagram.
Fig. 3 is the utility model discloses broken line wall body steel reinforcement cage arrangement diagram.
Fig. 4 shows the H-shaped reinforcement cage stirrup shape of the present invention.
Fig. 5 is the layout of the H-shaped reinforcement cage of the present invention.
Fig. 6 is a schematic view of the H-shaped reinforcement cage and the wall body of the present invention.
Fig. 7 is a schematic diagram of the connection of every two prefabricated linear walls.
FIG. 8 is a schematic view of the connection between a prefabricated straight wall and a prefabricated broken line wall.
Fig. 9 is a schematic view of a prefabricated continuous wall body in a continuous wall trough section.
In the figure, 1 is a prefabricated straight-line wall body, 2 is a prefabricated broken-line wall body, 3 is an H-shaped general reinforcement cage, 3-1 is an H-shaped reinforcement cage longitudinal reinforcement, 3-2 is an H-shaped reinforcement cage stirrup, 4 is a convex-shaped notch, 5 is a straight-line wall body reinforcement cage, 6 is a broken-line wall body reinforcement cage, and 7 is a continuous wall groove section.
Detailed Description
For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
Example (b): a transverse connection structure of an assembled underground continuous wall comprises a prefabricated linear wall body 1, a prefabricated broken line wall body 2 and an H-shaped main reinforcement cage 3;
the prefabricated straight line wall body 1 is a reinforced concrete member prefabricated in a factory and is in a straight line shape, the thickness of the prefabricated straight line wall body 1 is 100mm thinner than that of the groove section 7 of the continuous wall, the left side and the right side of the prefabricated straight line wall body 1 are respectively provided with a convex notch 4, a straight line wall body reinforcement cage 5 is prefabricated inside the prefabricated straight line wall body 1, and the convex notch sections on the left side and the right side of the prefabricated straight line wall body 1 are arranged according to the trend of the convex notches 4;
the prefabricated fold line wall body 2 is a factory-prefabricated reinforced concrete component with the zigzag gaps 4 at the two ends of the fold line, the prefabricated fold line wall body is L-shaped, a fold line wall body reinforcement cage 6 is prefabricated in the prefabricated fold line wall body 2, and the zigzag gap sections at the two ends of the prefabricated fold line wall body 2 are arranged according to the trend of the zigzag gaps 4;
the prefabricated linear wall body 1 is used for linear connection, the prefabricated broken line wall body 2 is used for connection at a bent part, and every two adjacent convex gaps 4 can be combined into an H-shaped gap; the H-shaped gap is fixed by the H-shaped total reinforcement cage 3;
the H-shaped total reinforcement cage 3 is a field binding component and is formed by binding H-shaped reinforcement cage longitudinal reinforcements 3-1 and H-shaped reinforcement cage stirrups 3-2, the height of the H-shaped total reinforcement cage 3 is consistent with that of the prefabricated linear wall 1 and the prefabricated broken line wall 2, and the H-shaped total reinforcement cage 3 is shorter than an H-shaped gap formed by the convex gaps 4 in length and width; the continuous wall groove section 7 is a long and narrow deep groove dug by applying a grooving machine along the peripheral axes of the prefabricated linear wall body 1 and the prefabricated broken line wall body 2 under the condition of mud wall protection.
And all the outer surfaces of the prefabricated linear wall body 1 and the prefabricated broken line wall body 2 are coated with waterproof materials.
The construction method of the transverse connection structure of the assembled underground continuous wall comprises the following steps:
the construction method comprises the steps of excavating a continuous wall groove section 7 at a construction site along the peripheral axis of a project to be excavated under the action of a slurry retaining wall, placing the prefabricated linear wall body 1 and the prefabricated broken line wall body 2 in the continuous wall groove section 7, placing an H-shaped total reinforcement cage 3 at an H-shaped gap formed by every two convex gaps, pouring concrete to connect the prefabricated linear wall body 1 and the prefabricated broken line wall body 2 into a whole, and filling gaps between the prefabricated linear wall body 1 and the continuous wall groove section 7 with the concrete to finish construction.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection of the present invention
And (4) protecting the scope.
Claims (2)
1. The utility model provides an assembled underground continuous wall transverse connection structure which characterized in that: the prefabricated wall comprises a prefabricated linear wall body (1), a prefabricated broken line wall body (2) and an H-shaped total reinforcement cage (3);
the prefabricated straight line wall body (1) is a reinforced concrete member prefabricated in a factory and is in a straight line shape, the thickness of the prefabricated straight line wall body (1) is 100mm less than that of the continuous wall groove section (7), convex-shaped notches (4) are respectively arranged on the left side and the right side of the prefabricated straight line wall body (1), a straight line wall body reinforcement cage (5) is prefabricated in the prefabricated straight line wall body (1), and the straight line wall body reinforcement cage (5) is arranged on the convex-shaped notch sections on the left side and the right side of the prefabricated straight line wall body (1) according to the trend of the convex-shaped notches (4);
the prefabricated broken line wall body (2) is a factory-prefabricated reinforced concrete component with the convex-shaped notches (4) at two ends of the broken line, the prefabricated broken line wall body is L-shaped, a broken line wall body reinforcement cage (6) is prefabricated in the prefabricated broken line wall body (2), and the convex-shaped notch sections at two ends of the prefabricated broken line wall body (2) are arranged according to the trend of the convex-shaped notches (4);
the prefabricated straight line wall bodies (1) are used for straight line connection, the prefabricated broken line wall bodies (2) are used for connection at the bent positions, every two adjacent convex notches (4) can be combined into an H-shaped notch, and the H-shaped notches are fixed by an H-shaped total reinforcement cage (3);
the H-shaped total reinforcement cage (3) is a field binding component and is formed by binding H-shaped reinforcement cage longitudinal reinforcements (3-1) and H-shaped reinforcement cage stirrups (3-2), the height of the H-shaped total reinforcement cage (3) is consistent with that of the prefabricated linear wall body (1) and the prefabricated broken line wall body (2), and the length and the width of the H-shaped total reinforcement cage are shorter than that of an H-shaped gap formed by the convex gaps (4); the continuous wall groove section (7) is a long and narrow deep groove which is dug by applying a grooving machine along the peripheral axes of the prefabricated linear wall body (1) and the prefabricated broken line wall body (2) under the condition of slurry wall protection.
2. The fabricated underground diaphragm wall transverse connection structure according to claim 1, wherein: and all outer surfaces of the prefabricated linear wall body (1) and the prefabricated broken line wall body (2) are coated with waterproof materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355495.8U CN209975502U (en) | 2019-03-20 | 2019-03-20 | Transverse connecting structure of assembled underground diaphragm wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355495.8U CN209975502U (en) | 2019-03-20 | 2019-03-20 | Transverse connecting structure of assembled underground diaphragm wall |
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| Publication Number | Publication Date |
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| CN209975502U true CN209975502U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920355495.8U Expired - Fee Related CN209975502U (en) | 2019-03-20 | 2019-03-20 | Transverse connecting structure of assembled underground diaphragm wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705781A (en) * | 2020-06-24 | 2020-09-25 | 上海隧道工程有限公司 | Prefabricated underground continuous wall and construction method thereof |
-
2019
- 2019-03-20 CN CN201920355495.8U patent/CN209975502U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705781A (en) * | 2020-06-24 | 2020-09-25 | 上海隧道工程有限公司 | Prefabricated underground continuous wall and construction method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |