CN216043713U - Vertical separation type shaft structure - Google Patents
Vertical separation type shaft structure Download PDFInfo
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- CN216043713U CN216043713U CN202122468427.2U CN202122468427U CN216043713U CN 216043713 U CN216043713 U CN 216043713U CN 202122468427 U CN202122468427 U CN 202122468427U CN 216043713 U CN216043713 U CN 216043713U
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Abstract
An up-down separation type vertical shaft structure is formed by connecting a vertical shaft mortise with a permanent structure at the lower part with a temporary structure vertical shaft at the upper part; a circle of annular tenon protruding upwards is arranged at the upper end of the permanent structure vertical shaft, a circle of corresponding annular groove is arranged at the lower end of the temporary structure vertical shaft, and the annular tenon is embedded into the annular groove for connection; the inner side and the outer side of the annular tenon are provided with an annular inner shoulder platform I and an annular outer shoulder platform I along the circle of the upper end well mouth of the permanent structure shaft, the inner side and the outer side of the annular groove are provided with an annular inner shoulder platform II and an annular outer shoulder platform II along the circle of the lower end well mouth of the temporary structure shaft, the inner shoulder platform II is pressed on the first inner shoulder platform surface, and the outer shoulder platform II is pressed on the first outer shoulder platform surface; the annular tenon, the inner shoulder platform I and the outer shoulder platform I are provided with permanent structural waterproof layers 3 which are laid double-layer waterproof rolls. The utility model saves the urban underground space and provides a better traffic route for the urban underground structure.
Description
Technical Field
The utility model relates to the technical field of underground engineering, in particular to an up-and-down separated vertical shaft structure, which is characterized in that a lower part structure is a permanent structure, and an upper part structure is a temporary structure.
Background
A large number of construction vertical wells are designed in the subway tunnel construction engineering, such as a shield starting and receiving well of a shield method structure and a construction vertical well of a mine method structure, for the shield method structure, the shield starting well or the receiving well generally adopts a station end for starting, the shield well does not need to be arranged independently at the moment, but sometimes the station end does not have the shield starting or receiving condition, a field is often found independently at the moment, and an independent shield starting well is arranged right above a line; for the mine method structure, generally, the vertical shaft structure is placed on the side surface of a tunnel, a construction vertical shaft is constructed, then a transverse channel is constructed, the tunnel structure is excavated towards two sides through the construction transverse channels at two sides, however, sometimes, the tunnel structure is excavated towards the mine method section through an open cut method section, the open cut method section is backfilled after construction is finished, and a construction vertical shaft excavated towards the mine method tunnel is reserved right above the tunnel.
Above-mentioned two kinds are placed the shaft structure directly over the tunnel, be permanent structure at the tunnel layer, and the space in tunnel top is the abandonment space, can regard as temporary structure, involve permanent structure and temporary structure's linking problem this moment, in order to avoid this type of problem, present more conventional way is directly regard as permanent structure with whole shaft, cause the tunnel top like this have a large amount of useless spaces, led to the fact urban underground space's waste, influence the passage of other underground structure sometimes even, like urban underground pipe gallery etc.. Therefore, a solution is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an up-down separation type vertical shaft structure, which aims to solve the space waste caused when the whole construction vertical shaft is used as a permanent structure at present, and provides an up-down separation type vertical shaft structure.
The technical scheme of the utility model is as follows:
the vertical shaft structure is characterized in that the vertical shaft structure is formed by connecting a mortise of a permanent structure vertical shaft 1 at the lower part with a temporary structure vertical shaft 2 at the upper part;
a circle of annular tenon 11 protruding upwards is arranged at the upper end of the permanent structural vertical shaft, a circle of corresponding annular groove 21 is arranged at the lower end of the temporary structural vertical shaft, and the annular tenon is embedded into the annular groove for connection; the inner side and the outer side of the annular tenon are provided with an annular inner shoulder platform I12 and an annular outer shoulder platform I13 along a circle of a wellhead at the upper end of the permanent structure shaft, the inner side and the outer side of the annular groove are provided with an annular inner shoulder platform II 22 and an annular outer shoulder platform II 23 along a circle of a wellhead at the lower end of the temporary structure shaft, the inner shoulder platform II is pressed on the table surface of the inner shoulder platform I, and the outer shoulder platform II is pressed on the table surface of the outer shoulder platform I; and permanent structural waterproof layers 3 are arranged on the annular tenon, the inner shoulder platform I and the outer shoulder platform I and are double-layer waterproof coiled materials.
The table surfaces of the first inner shoulder platform and the first outer shoulder platform extend out of the table surfaces of the second inner shoulder platform and the second outer shoulder platform.
And the inner side surface of the shaft wall at the lower end of the temporary structural shaft is connected with an annular temporary protection steel plate 4 which horizontally extends out through bolts, the bottom of the temporary protection steel plate is connected with a layer of wood plate 5, and the wood plate is attached to the permanent structural waterproof layer of the inner shoulder platform I.
The permanent structure vertical shaft and the temporary structure vertical shaft are both of cast-in-place reinforced concrete structures.
And after the shaft is used, applying a top plate 6 at the position of the upper-end shaft mouth of the permanent structure shaft to seal the upper-end shaft mouth of the permanent structure shaft.
The top plate is of a cast-in-place reinforced concrete plate-shaped structure and is integrally connected and fixed with the side surface of one inner ring of the inner shoulder platform; an annular groove 121 is formed in an upper end opening of an inner ring of the inner shoulder platform, and the top plate is cast at the groove to form an embedded annular boss 61 which is embedded and connected.
And the part above the top plate is backfilled by using plain soil 7.
And the temporary structural vertical shaft is wholly or partially broken, and soil is backfilled.
The waterproof coiled material is a 0.8 cm-thick polymer reinforced composite waterproof coiled material.
The utility model has the technical characteristics that:
(1) the lower part of the shaft structure is used as a permanent structure, the upper part of the shaft structure is used as a temporary structure (the temporary structure can be broken off at the later stage according to needs), after the construction shaft is used, a top plate structure is constructed at the joint part of the permanent structure and the temporary structure, meanwhile, the parts above are backfilled by plain soil, if the temporary structure at the upper part needs to be broken off integrally, the temporary structure can be broken off along with the backfilling, and the temporary structure can be left for the project of the later-stage construction to be broken off locally, as shown in figure 3;
(2) the connection problem of the upper permanent structure and the lower temporary structure is solved from two aspects, which are respectively as follows:
1) the permanent structure and the temporary structure are joggled at the joint part (well wall), so that the joint performance of the two structures in the horizontal direction is improved,
2) waterproof the permanent structure and throw the joint at the joint.
Effects of the utility model
The utility model provides a vertical shaft structure separated from the upper part and the lower part, wherein a permanent structure is made at a necessary place, a temporary structure is made at a non-necessary place, the urban underground space is saved, and a better passing route is provided for the underground structures of other cities.
Description of the drawings:
figure 1 is a schematic view of a split shaft configuration of the utility model,
figure 2 is an exploded view of the upper and lower engaging structures of the split shaft structure of the present invention,
fig. 3 is a schematic view of the separated shaft structure plain soil backfilling structure of the utility model;
description of the figure numbering:
the temporary protection structure comprises a permanent structure shaft 1, an annular tenon 11, a first inner shoulder platform 12, an annular groove 121, a first outer shoulder platform 13, a temporary structure shaft 2, an annular groove 21, a second inner shoulder platform 22, a second outer shoulder platform 23, a permanent structure waterproof layer 3, a temporary protection steel plate 4, a wood plate 5, a top plate 6, an annular boss 61 and plain soil 7.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
Referring to fig. 1-3, the shaft structure of the utility model is a vertically separated shaft structure, which is formed by connecting a lower permanent structural shaft 1 with an upper temporary structural shaft 2 through mortises;
referring to fig. 2, a circle of annular tenon 11 protruding upwards is arranged at the upper end of the permanent structural shaft, and can be in a trapezoidal shape, and a circle of corresponding annular groove 21 is arranged at the lower end of the temporary structural shaft, and the annular tenon is embedded into the annular groove for connection; the inner side and the outer side of the annular tenon are provided with an annular inner shoulder platform I12 and an annular outer shoulder platform I13 along a circle of a wellhead at the upper end of the permanent structure shaft, the inner side and the outer side of the annular groove are provided with an annular inner shoulder platform II 22 and an annular outer shoulder platform II 23 along a circle of a wellhead at the lower end of the temporary structure shaft, the inner shoulder platform II is pressed on the table surface of the inner shoulder platform I, and the outer shoulder platform II is pressed on the table surface of the outer shoulder platform I; the upper surfaces of the annular tenon, the inner shoulder platform I and the outer shoulder platform I are provided with permanent structural waterproof layers 3 which are double-layer waterproof coiled materials. The joint is thrown at the joint part of the permanent structure waterproof layer so as to carry out later waterproof protection.
The table surfaces of the first inner shoulder platform and the first outer shoulder platform extend out of the table surfaces of the second inner shoulder platform and the second outer shoulder platform.
And the inner side surface of the shaft wall at the lower end of the temporary structural shaft is connected with an annular temporary protection steel plate 4 which horizontally extends out through bolts, the bottom of the temporary protection steel plate is connected with a layer of wood plate 5, and the wood plate is attached to the permanent structural waterproof layer of the inner shoulder platform I. Annular temporary protection steel sheet and temporary protection billet combined action adopt "just gentle" mode protection lower part permanent structure waterproof layer of helping, prevent that upper portion temporary structure construction and chisel from removing the in-process and causing the destruction to permanent structure waterproof layer.
The permanent structure vertical shaft and the temporary structure vertical shaft are both of cast-in-place reinforced concrete structures.
Referring to fig. 3, after the shaft is used, a top plate 6 is made at the position of the upper end wellhead of the permanent structure shaft to seal the upper end wellhead of the permanent structure shaft.
The top plate is of a cast-in-place reinforced concrete plate-shaped structure and is integrally connected and fixed with the side surface of one inner ring of the inner shoulder platform; an annular notch 121 is formed in an upper end opening of an inner ring of the inner shoulder platform, and the top plate is cast at the notch to form an embedded annular boss 61 which is embedded and connected to support the top plate.
And after the vertical shaft is used, the part above the top plate is backfilled by using plain soil 7.
Or after the shaft is used, the temporary structure shaft is wholly or partially broken, and soil is filled back.
The waterproof coiled material is a 0.8 cm-thick polymer reinforced composite waterproof coiled material. And waterproof coiled materials with other thicknesses and materials can be selected.
Claims (9)
1. The vertical shaft structure is characterized in that the vertical shaft structure is formed by connecting a mortise of a permanent structure vertical shaft (1) at the lower part with a temporary structure vertical shaft (2) at the upper part;
a circle of annular tenon (11) protruding upwards is arranged at the upper end of the permanent structural vertical shaft, a circle of corresponding annular groove (21) is arranged at the lower end of the temporary structural vertical shaft, and the annular tenon is embedded into the annular groove for connection; the inner side and the outer side of the annular tenon are provided with a first annular inner shoulder platform (12) and a first annular outer shoulder platform (13) along a circle of a wellhead at the upper end of the permanent structure shaft, and the inner side and the outer side of the annular groove are provided with a second annular inner shoulder platform (22) and a second annular outer shoulder platform (23) along a circle of a wellhead at the lower end of the temporary structure shaft; the annular tenon, the inner shoulder platform I and the outer shoulder platform I are provided with permanent structural waterproof layers (3) which are double-layer waterproof coiled materials.
2. A split shaft construction as claimed in claim 1, wherein the first inner shoulder platform and the first outer shoulder platform each extend beyond the second inner shoulder platform and the second outer shoulder platform.
3. An up-down split shaft structure as claimed in claim 2, characterized in that a horizontally extending annular temporary protection steel plate (4) is bolted on the inner side of the shaft wall at the lower end of the temporary structural shaft, and a wood plate (5) is connected to the bottom of the temporary protection steel plate and is attached to the permanent structural waterproof layer of the first inner shoulder platform.
4. A split shaft structure as claimed in claim 1, wherein the permanent structural shaft and the temporary structural shaft are cast-in-place reinforced concrete structures.
5. A shaft structure of the above and below split type according to claim 2, characterized in that after the shaft is used, a top plate (6) is applied at the position of the upper end of the permanent structural shaft to close the upper end of the permanent structural shaft.
6. An up-down separated shaft structure as claimed in claim 5, wherein the top plate is a cast-in-place reinforced concrete plate-shaped structure integrally connected and fixed with an inner ring side surface of the inner shoulder platform; an annular groove (121) is formed in an upper end opening of an inner ring of the inner shoulder platform, and the top plate is cast at the groove to form an embedded annular boss (61) which is embedded and connected.
7. Shaft structure with split top and bottom according to claim 6, characterized in that the upper part of the roof is backfilled with plain soil (7).
8. An above-below split shaft structure as claimed in claim 6 wherein the temporary structural shaft is broken wholly or partially and backfilled with earth.
9. A vertically separable shaft structure as claimed in claim 1, wherein said waterproof sheet is a 0.8cm thick polymer reinforced composite waterproof sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122468427.2U CN216043713U (en) | 2021-10-13 | 2021-10-13 | Vertical separation type shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122468427.2U CN216043713U (en) | 2021-10-13 | 2021-10-13 | Vertical separation type shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043713U true CN216043713U (en) | 2022-03-15 |
Family
ID=80548833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122468427.2U Active CN216043713U (en) | 2021-10-13 | 2021-10-13 | Vertical separation type shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216043713U (en) |
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2021
- 2021-10-13 CN CN202122468427.2U patent/CN216043713U/en active Active
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