CN214738262U - Temporary plugging structure for comprehensive pipe rack - Google Patents
Temporary plugging structure for comprehensive pipe rack Download PDFInfo
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- CN214738262U CN214738262U CN202120648478.0U CN202120648478U CN214738262U CN 214738262 U CN214738262 U CN 214738262U CN 202120648478 U CN202120648478 U CN 202120648478U CN 214738262 U CN214738262 U CN 214738262U
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- water stop
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- inner ring
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Abstract
The utility model provides an interim block structure of utility tunnel, include: the end part of the pipe gallery main body is of a stepped structure, and the end part of the pipe gallery main body comprises a stepped outer ring and a stepped inner ring; the concrete plugging wall is abutted against the end face of the step outer ring; one end of the outer-ring water stop is arranged in the concrete plugging wall, and the other end of the outer-ring water stop is arranged in the outer ring of the ladder; one end of the inner ring water stop is arranged in the ladder inner ring, the other end of the inner ring water stop is arranged outside the end face of the ladder inner ring, and the other end of the inner ring water stop can be arranged in a newly-built pipe gallery wall plate. The utility model has the advantages that the outer ring water stop is poured in the concrete plugging wall, so that the end part of the pipe gallery main body is connected with the concrete plugging wall into a whole, thereby not only ensuring the stability of the concrete plugging wall, but also facilitating the construction of a subsequent waterproof layer; the inner circle waterstop is reserved in the pipe gallery main body, and the telescopic performance and the waterproof performance of the inner circle waterstop are effectively guaranteed.
Description
Technical Field
The utility model relates to a utility tunnel field, concretely relates to interim block structure of utility tunnel.
Background
A large number of underground comprehensive pipe galleries are planned or built in the prior art. Because piping lane construction cost is high, the cycle length, at the planning stage, generally according to planning one by one, construction one by one, there is the difference in the construction time, need reserve the interface in the tip of piping lane and crossing position, in addition, according to the requirement of construction condition and construction progress, carry out the segmentation construction to the piping lane usually, consequently, need be at the tip of piping lane, reserve interface and segmentation department and do interim shutoff, treat that later stage construction piping lane is dug when this department again, the integral connection link up.
In order to facilitate the connection on the newly-built piping lane structure in later stage, the interim shutoff of piping lane sets up in movement joint department usually. The current temporary plugging method for the underground comprehensive pipe gallery mainly comprises two main types:
the first prior art is as follows: reserving reinforcing steel bars at the wall plate close to the end part of the pipe gallery at a certain distance, and pouring concrete to block the wall; then take corresponding measure protection pipe gallery tip bury formula waterstop, utilize steel sheet, brick wall and plain concrete etc. to wrap up the waterstop, prevent its corruption and deformation.
The first prior art has the following defects: 1. concrete plugging walls are poured on the inner sides of the end parts of the pipe gallery, construction is difficult, and the main structure of the pipe gallery is easy to damage by chiseling in the later period; 2. during the construction process of protecting and dismantling the water stop, the water stop is easy to deform and damage; 3. the waterstop exposes in the pipe gallery tip outside, brings inconvenience for the waterproof layer construction of pipe gallery wallboard.
The second prior art is: fill flexible material in formula waterstop position department of burying in the piping lane tip, protect the waterstop, then utilize steel sheet or concreting to carry out the shutoff in the piping lane tip outside.
The second prior art has the following defects: 1. the shutoff wall in piping lane tip outside can not effectual be connected with piping lane major structure, and overall stability is poor. 2. The flexible material filled at the water stop is easy to be extruded and deformed, thereby affecting the performance of the water stop.
SUMMERY OF THE UTILITY MODEL
The utility model provides an interim block structure of utility tunnel to reach the overall stability who has both guaranteed shutoff wall and piping lane end, can effectual protection waterstop's purpose again.
The utility model provides a technical scheme that its technical problem adopted is: a temporary plugging structure for a utility tunnel, comprising: the end part of the pipe gallery main body is of a stepped structure, and the end part of the pipe gallery main body comprises a stepped outer ring and a stepped inner ring; the concrete plugging wall is abutted against the end face of the step outer ring; one end of the outer-ring water stop is arranged in the concrete plugging wall, and the other end of the outer-ring water stop is arranged in the outer ring of the ladder; one end of the inner ring water stop is arranged in the ladder inner ring, the other end of the inner ring water stop is arranged outside the end face of the ladder inner ring, and the other end of the inner ring water stop can be arranged in a newly-built pipe gallery wall plate.
Further, one side that the pipe gallery main part was kept away from to the concrete shutoff wall is provided with the waterproof layer.
Furthermore, a concrete cushion block is arranged below a joint of the concrete blocking wall and the end face of the outer ring of the ladder.
Furthermore, the ladder inner ring is arranged on the inner side of the ladder outer ring, and the spacing distance between the ladder inner ring and the concrete blocking wall is larger than that between the ladder outer ring and the concrete blocking wall.
Furthermore, the cross-sectional shapes of the outer ladder ring and the inner ladder ring are both rectangular structures, the outer ring water stop is matched with the outer ladder ring in shape, and the inner ring water stop is matched with the inner ladder ring in shape.
The utility model has the advantages that the outer ring water stop is poured in the concrete plugging wall, so that the end part of the pipe gallery main body is connected with the concrete plugging wall into a whole, thereby not only ensuring the stability of the concrete plugging wall, but also facilitating the construction of a subsequent waterproof layer; the inner circle waterstop is reserved in the pipe gallery main body, and the telescopic performance and the waterproof performance of the inner circle waterstop are effectively guaranteed.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is a sectional view taken along line B-B in fig. 1.
Reference numbers in the figures: 1. an outer water stop band; 2. an inner water stop band; 3. a concrete pad; 4. concrete plugging walls; 5. a waterproof layer; 6. long-term chiseling lines; 71. a stepped outer ring; 72. and (5) a step inner ring.
Detailed Description
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 invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-3, the embodiment of the utility model provides an interim block structure of utility tunnel, including piping lane main part, concrete shutoff wall 4, outer lane waterstop 1 and inner circle waterstop 2. The end of the pipe gallery main body is of a step-shaped structure, and the end of the pipe gallery main body comprises a step outer ring 71 and a step inner ring 72. The concrete blocking wall 4 abuts against the end face of the step outer ring 71. One end of the outer ring water stop 1 is arranged in the concrete plugging wall 4, and the other end of the outer ring water stop 1 is arranged in the step outer ring 71. One end of the inner ring water stop belt 2 is arranged in the ladder inner ring 72, the other end of the inner ring water stop belt 2 is arranged outside the end face of the ladder inner ring 72, and the other end of the inner ring water stop belt 2 can be arranged in a newly-built pipe gallery wallboard.
The outer ring water stop belt 1 is poured in the concrete plugging wall 4, so that the end part of the pipe gallery main body is connected with the concrete plugging wall 4 into a whole, the stability of the concrete plugging wall 4 is ensured, and the subsequent construction of a waterproof layer 5 is facilitated; inner circle waterstop 2 reserves in the inside of piping lane main part, has effectually guaranteed its elasticity performance and waterproof performance.
Preferably, a concrete cushion block 3 is arranged below the joint of the end face of the concrete blocking wall 4 and the step outer ring 71. The concrete pad 3 is provided to support the concrete blocking wall 4 and the step outer ring 71.
The step inner ring 72 is arranged on the inner side of the step outer ring 71, and the distance between the step inner ring 72 and the concrete blocking wall 4 is greater than the distance between the step outer ring 71 and the concrete blocking wall 4. That is, in the embodiment of the present invention, the end portions of the step outer ring 71 and the step inner ring 72 are disposed in a staggered manner, and the extension length of the step outer ring 71 should be greater than that of the step inner ring 72.
In this embodiment, the cross-sectional shapes of the step outer ring 71 and the step inner ring 72 are both rectangular structures, the shape of the outer ring water stop 1 is adapted to the shape of the step outer ring 71, and the shape of the inner ring water stop 2 is adapted to the shape of the step inner ring 72. Of course, the cross-sectional shapes of the outer step ring 71 and the inner step ring 72 may be changed correspondingly according to different working condition requirements, and the shapes of the outer ring water stop 1 and the inner ring water stop 2 may also be changed correspondingly.
Preferably, the end of the tube lane main body of the present embodiment is provided with the distal chiseling line 6, and the distal chiseling line 6 is flush with the end surface of the stepped inner ring 72. The far chiseling line 6 is a chiseling finishing line, i.e., when the outer step ring 71 is chiseled in the later stage, the outer step ring 71 should be chiseled to the far chiseling line 6 and stopped.
The utility model also provides a temporary plugging method of utility tunnel is applied to foretell temporary plugging structure of utility tunnel, and the temporary plugging method of utility tunnel includes following step:
step one, arranging an outer ring water stop belt 1 on the end face of a step outer ring 71, and arranging an inner ring water stop belt 2 on the end face of a step inner ring 72;
step two, pouring a concrete plugging wall 4 and pouring one end of the outer ring water stop belt 1 into the concrete plugging wall 4;
thirdly, when the pipe gallery is constructed in an extending mode, chiseling the concrete blocking wall 4, the step outer ring 71 and the outer ring water stop belt 1;
and step four, constructing the wall plate of the new pipe gallery and pouring the other end of the inner ring water stop belt 2 into the wall plate of the new pipe gallery.
According to the method, the outer ring water stop belt 1 is connected with the concrete plugging wall 4 and the stepped outer ring 71, and the inner ring water stop belt is reserved inside the pipe gallery, so that the overall stability of the plugging wall and the end of the pipe gallery is guaranteed, and the inner ring water stop belt can be effectively protected.
The method also comprises the following steps before the step one: and pouring the concrete cushion block 3 in the cushion layer below the end bottom plate of the pipe gallery main body, so that the concrete cushion block 3 is used for supporting the concrete plugging wall 4 and the step outer ring 71. The concrete pad 3 is provided to support the concrete blocking wall 4 and the step outer ring 71.
Further, the following steps are also included between the second step and the third step: and constructing a waterproof layer 5 on one side of the concrete plugging wall 4, which is far away from the pipe gallery main body. It should be noted that the construction of the waterproof layer 5 should be the same as the waterproof construction procedure of the pipe gallery body.
The embodiment of the utility model provides an in step three specifically do: when extending the construction piping lane, chiseling away concrete shutoff wall 4, ladder outer lane 71 and outer lane waterstop 1 along the line direction of concrete shutoff wall 4 to piping lane main part, until long term chiseling away line 6 department. The line direction of following concrete shutoff wall 4 to piping lane main part is the direction from a left side to the right side in fig. 2, need demolish concrete shutoff wall 4, ladder outer lane 71 and outer lane waterstop 1 in proper order to the long term chiseling line 6 in this direction to guarantee newly-built piping lane wallboard and the terminal surface butt of ladder inner lane 72.
Above-mentioned step four construction is newly-built piping lane wallboard and is pour the other end of inner circle waterstop 2 in newly-built piping lane wallboard, and its purpose is with the end connection of newly-built piping lane wallboard and piping lane main part to be connected inner circle waterstop 2 and newly-built piping lane wallboard, guarantee new and old piping lane's waterproof sealing performance. Preferably, step four is followed by: make newly-built piping lane wallboard and piping lane main part be connected as an organic whole to form networking, systematic utility tunnel.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
1. this embodiment can be linked together for later stage construction piping lane and provide convenient condition.
2. This embodiment makes outer lane waterstop 1 connect concrete shutoff wall 4 and ladder outer lane 71, and inside the inner circle waterstop area was reserved the piping lane, had both guaranteed the overall stability of shutoff wall and piping lane end, can effectually protect the inner circle waterstop again.
3. This embodiment is through reserving inner circle waterstop 2 at the tip of piping lane main part, chisels the in-process of shutoff wall at the later stage, can not exert an influence and destroy to inner circle waterstop 2, ensures the newly-built piping lane of later stage at the elasticity performance and the waterproof performance of movement joint department.
4. In this embodiment, the outside of piping lane main part tip is arranged in to concrete shutoff wall 4, for the later stage chisel removes to provide the construction space, brings very big facility for the construction.
The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent. In addition, the utility model provides an between technical feature and the technical feature, between technical feature and the technical scheme, all can the independent assortment use between technical scheme and the technical scheme.
Claims (5)
1. The utility model provides a temporary block structure of utility tunnel which characterized in that includes:
the end part of the pipe gallery main body is of a stepped structure, and the end part of the pipe gallery main body comprises a stepped outer ring (71) and a stepped inner ring (72);
the concrete blocking wall (4) is abutted against the end face of the step outer ring (71);
one end of the outer-ring water stop belt (1) is arranged in the concrete plugging wall (4), and the other end of the outer-ring water stop belt (1) is arranged in the step outer ring (71);
one end of the inner ring water stop belt (2) is arranged in the ladder inner ring (72), the other end of the inner ring water stop belt (2) is arranged outside the end face of the ladder inner ring (72), and the other end of the inner ring water stop belt (2) can be arranged in a newly-built pipe gallery wall plate.
2. Temporary plugging structure for utility tunnel according to claim 1, characterized in that the side of concrete plugging wall (4) away from the main body of the pipe gallery is provided with a waterproof layer (5).
3. The temporary plugging structure for the utility tunnel according to claim 1, wherein a concrete cushion block (3) is arranged below the end face joint of the concrete plugging wall (4) and the step outer ring (71).
4. The temporary plugging structure for the utility tunnel according to claim 1, wherein the step inner ring (72) is disposed inside the step outer ring (71), and the step inner ring (72) is spaced from the concrete plugging wall (4) by a distance greater than the step outer ring (71) is spaced from the concrete plugging wall (4).
5. The temporary plugging structure for the comprehensive pipe rack according to claim 1, wherein the cross-sectional shapes of the outer ladder ring (71) and the inner ladder ring (72) are both rectangular structures, the shape of the outer ring water stop (1) is matched with the shape of the outer ladder ring (71), and the shape of the inner ring water stop (2) is matched with the shape of the inner ladder ring (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648478.0U CN214738262U (en) | 2021-03-30 | 2021-03-30 | Temporary plugging structure for comprehensive pipe rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648478.0U CN214738262U (en) | 2021-03-30 | 2021-03-30 | Temporary plugging structure for comprehensive pipe rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214738262U true CN214738262U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120648478.0U Active CN214738262U (en) | 2021-03-30 | 2021-03-30 | Temporary plugging structure for comprehensive pipe rack |
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| Country | Link |
|---|---|
| CN (1) | CN214738262U (en) |
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2021
- 2021-03-30 CN CN202120648478.0U patent/CN214738262U/en active Active
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