CN213980794U - Shield construction working well that depth was arranged - Google Patents
Shield construction working well that depth was arranged Download PDFInfo
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- CN213980794U CN213980794U CN202022585473.6U CN202022585473U CN213980794U CN 213980794 U CN213980794 U CN 213980794U CN 202022585473 U CN202022585473 U CN 202022585473U CN 213980794 U CN213980794 U CN 213980794U
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Abstract
A shield working well with shallow and deep arrangement belongs to the technical field of shield construction. The shield tunnel comprises a working well, wherein the working well comprises a working well shallow region serving as a shield tunnel starting region and a working well deep region located on the lower portion of one side of the working well shallow region and serving as a shield tunnel receiving region, the working well shallow region and the working well deep region are respectively isolated from surrounding geology through a shallow region enclosure wall and a deep region enclosure wall, and a depth separation enclosure wall is arranged between the working well shallow region and the working well deep region. The utility model divides the shield work area into two parts of a work well shallow area and a work well deep area, thereby overcoming the condition that tunnels at two ends of the work well have large height difference; the shallow working well region and the deep working well region are respectively used as a shield tunnel starting region and a shield tunnel receiving region, so that the characteristics of fast construction in the shallow region and slow construction in the deep region are fully utilized, and the construction efficiency is improved; in addition, according to the depths of foundation pits in different areas, the corresponding enclosure walls are arranged, the size of the enclosure walls is reasonably designed, and the waste of materials is avoided.
Description
Technical Field
The utility model belongs to the technical field of the shield constructs the construction, concretely relates to shield that depth was arranged constructs working well.
Background
At present, shield method construction has been widely adopted by urban tunnel engineering due to its advantages of small influence on ground traffic, fast construction progress, safety, environmental protection, less disturbance to residents and the like. Normally, the elevations of the tunnels at the two ends of the working well are basically equal, but in some areas with complex surrounding environments, important building structures such as existing tunnels and pipelines which cannot be moved and changed exist, and at the moment, the tunnels at the two ends of the working well cannot be arranged at the same elevation or even at the same structural layer.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that exists among the prior art, the utility model aims to provide a shield constructs working well that depth that is applicable to the working well both ends tunnel and has great discrepancy in elevation condition was arranged.
The utility model provides a following technical scheme: a shield structure working well that depth was arranged, includes the working well that is located below the earth's surface, its characterized in that: the working well comprises a working well shallow area serving as a shield tunnel starting area and a working well deep area located on the lower portion of one side of the working well shallow area and serving as a shield tunnel receiving area, the working well shallow area and the working well deep area are respectively isolated from surrounding geology through a shallow area enclosure wall and a deep area enclosure wall, and a deep and shallow separation enclosure wall is arranged between the working well shallow area and the working well deep area.
The shield working well with the depth arrangement is characterized in that the height of the top of the shallow area of the working well is the same as the height of the top of the deep area of the working well.
The shield working well with the depth arrangement is characterized in that the length of the lower end of the shallow area enclosing wall extending out of the bottom of the shallow area of the working well is 0.2-2 times of the depth of a foundation pit in the shallow area of the working well, and the length of the lower end of the deep area enclosing wall extending out of the bottom of the deep area of the working well is 0.2-2 times of the depth of the foundation pit in the deep area of the working well.
The shield working well with the depth arrangement is characterized in that the top elevation of the depth separation enclosure wall is the same as the bottom elevation of the shallow region of the working well, and the length of the lower end of the depth separation enclosure wall extending out of the bottom of the deep region of the working well is 0.2-2 times of the depth difference between the foundation pit of the shallow region of the working well and the foundation pit of the deep region of the working well.
The shield working well with the shallow depth arrangement is characterized in that bottom plates are arranged at the bottom of the shallow region of the working well and the bottom of the deep region of the working well.
The shield working well with the shallow depth arrangement is characterized in that a shield initial opening and a shield receiving opening for shield construction are respectively arranged on the lateral parts of the shallow region and the deep region of the working well.
Through adopting above-mentioned technique, compare with prior art, the beneficial effects of the utility model are as follows:
the utility model divides the shield work area into two parts of a work well shallow area and a work well deep area, thereby overcoming the condition that tunnels at two ends of the work well have large height difference; the shallow working well region and the deep working well region are respectively used as a shield tunnel starting region and a shield tunnel receiving region, so that the characteristics of fast construction in the shallow region and slow construction in the deep region are fully utilized, and the construction efficiency is improved; in addition, according to the depths of foundation pits in different areas, the corresponding enclosure walls are arranged, the size of the enclosure walls is reasonably designed, and the waste of materials is avoided.
Drawings
FIG. 1 is a schematic sectional view of the front view of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view taken along section A-A of FIG. 1;
FIG. 4 is a schematic cross-sectional view taken along section B-B of FIG. 1;
fig. 5 is the construction structure diagram of the construction step 4 of the present invention.
In the figure: 1. a shallow area of the working well; 11. shallow enclosure walls; 2. a working well depth zone; 21. a deep area enclosure wall; 3. the depth partitions the enclosure wall; 4. a base plate; 5. a shield starting port; 6. a shield receiving port; 7. and (5) a shield tunneling machine hoisting port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments of the specification. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.
Referring to fig. 1-5, a shield working well with shallow depth arrangement comprises a working well shallow region 1 and a working well deep region 2, wherein the working well shallow region 1 is used as a shield tunnel initiation region, the working well deep region 2 is arranged at the lower part of one side of the working well shallow region 1 and is used as a shield tunnel receiving region, bottom plates 4 are arranged at the bottoms of the working well shallow region 1 and the working well deep region 2, and a shield initiation port 5 and a shield receiving port 6 for shield construction are respectively arranged at the side parts.
The top elevation of the shallow working well area 1 is the same as that of the deep working well area 2.
The shallow region 1 of the working well and the deep region 2 of the working well are respectively isolated from the surrounding geology by a shallow region enclosure wall 11 and a deep region enclosure wall 21, and a deep and shallow separation enclosure wall 3 is arranged between the shallow region 1 of the working well and the deep region 2 of the working well.
The length of the lower end of the shallow area enclosure wall 11 extending out of the bottom of the shallow area 1 of the working well is 0.2-2 times of the depth of a foundation pit of the shallow area 1 of the working well, and when the lower end of the shallow area enclosure wall 11 is located in silt and mucky soil, the maximum value is obtained; the length of the lower end of the deep area enclosure wall 21 extending out of the bottom of the working well deep area 2 is 0.2-2 times of the depth of a foundation pit in the working well deep area 2, and when the lower end of the deep area enclosure wall 21 is located in silt and mucky soil, the maximum value is obtained.
The top elevation of the depth separating enclosure wall 3 is equal to the bottom elevation of the shallow region 1 of the working well, and the bottom elevation is equal to the bottom elevation of the deep region enclosure wall 21.
The utility model discloses the construction steps of structure are as follows:
step 1, constructing the enclosure wall according to the required depth: comprises a shallow area enclosure wall 11, a deep area enclosure wall 21 and a depth separating enclosure wall 3;
step 3, constructing a bottom plate 4 of the shallow region 1 of the working well and the structures above the bottom plate, and reserving a shield starting port 5 during construction; constructing a structural beam, a structural plate and the above structures of the working well deep area 2 corresponding to the elevation, and reserving a shield machine hoisting port 7 during construction;
step 7, receiving the shield in the working well deep area 2, and hoisting the shield machine out of the working well by using a reserved shield machine hoisting port 7;
and 8, pouring the reserved shield machine hoisting port 7.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A shield structure working well that depth was arranged, includes the working well that is located below the earth's surface, its characterized in that: the working well comprises a working well shallow region (1) serving as a shield tunnel starting region and a working well deep region (2) located at the lower portion of one side of the working well shallow region (1) and serving as a shield tunnel receiving region, the working well shallow region (1) and the working well deep region (2) are respectively isolated from surrounding geology through a shallow region enclosure wall (11) and a deep region enclosure wall (21), and a deep and shallow separation enclosure wall (3) is arranged between the working well shallow region (1) and the working well deep region (2).
2. A shield working well of a shallow arrangement according to claim 1, characterized in that the elevation of the top of the shallow working well area (1) is the same as the elevation of the top of the deep working well area (2).
3. The shield working well arranged according to the depth of claim 1 or 2, wherein the length of the lower end of the shallow enclosure wall (11) extending out of the bottom of the shallow working well (1) is 0.2-2 times of the depth of the foundation pit of the shallow working well (1), and the length of the lower end of the deep enclosure wall (21) extending out of the bottom of the deep working well (2) is 0.2-2 times of the depth of the foundation pit of the deep working well (2).
4. The shield working well arranged according to the depth of claim 2, wherein the top elevation of the depth separating enclosure wall (3) is the same as the bottom elevation of the working well shallow region (1), and the length of the lower end of the depth separating enclosure wall (3) extending out of the bottom of the working well deep region (2) is 0.2-2 times of the depth difference between the foundation pit of the working well shallow region (1) and the foundation pit of the working well deep region (2).
5. A shield working well arranged according to the depth of the working well 1, characterized in that the bottom of the working well shallow area (1) and the bottom of the working well deep area (2) are provided with bottom plates (4).
6. The shield working well of claim 1, characterized in that the side parts of the working well shallow area (1) and the working well deep area (2) are respectively provided with a shield initial opening (5) and a shield receiving opening (6) for shield construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022585473.6U CN213980794U (en) | 2020-11-10 | 2020-11-10 | Shield construction working well that depth was arranged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022585473.6U CN213980794U (en) | 2020-11-10 | 2020-11-10 | Shield construction working well that depth was arranged |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213980794U true CN213980794U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022585473.6U Active CN213980794U (en) | 2020-11-10 | 2020-11-10 | Shield construction working well that depth was arranged |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213980794U (en) |
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2020
- 2020-11-10 CN CN202022585473.6U patent/CN213980794U/en active Active
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