CN220953504U - Construction structure for wall of open caisson of cyclone well - Google Patents
Construction structure for wall of open caisson of cyclone well Download PDFInfo
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- CN220953504U CN220953504U CN202322619175.8U CN202322619175U CN220953504U CN 220953504 U CN220953504 U CN 220953504U CN 202322619175 U CN202322619175 U CN 202322619175U CN 220953504 U CN220953504 U CN 220953504U
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- well
- inner support
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 13
- 238000004873 anchoring Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 4
- 238000009415 formwork Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Cyclones (AREA)
Abstract
The utility model discloses a construction structure of a wall of a sunk well of a cyclone well, and relates to the technical field of construction structures of cyclone wells. The construction structure of the wall of the open caisson of the cyclone well comprises a wall of the cyclone well and annular steel bars arranged on the wall of the cyclone well; the cyclone support device comprises a cyclone support system, and is characterized by further comprising a reinforcing belt and an inner support rod, wherein the reinforcing belt is arranged on the wall of the lower section of the cyclone shaft, inner support embedded parts are uniformly distributed on the inner side of the reinforcing belt, and the inner support rod is fixedly connected with the inner support embedded parts in sequence from head to tail to form a polygonal support system. The structure is characterized in that reinforcing belts are arranged in the wall of the cyclone well, embedded parts are arranged on the inner surfaces of the reinforcing belts at intervals, the inner support is sequentially welded and connected with the embedded parts, a combined dual steel-mixed support reinforcing system is formed, the rigidity of the inner support is increased, the inner support is in the shape of a regular polygon which is sequentially connected, and the stress is reasonable and balanced.
Description
Technical Field
The utility model relates to the technical field of construction structures of cyclone wells, in particular to a construction structure of a wall of a sunk well of a cyclone well.
Background
In the field of metallurgical construction, a cyclone well is an important building and is indispensable as a steel rolling and steelmaking public auxiliary water system. The cyclone well is generally a cylindrical reinforced concrete structure, has a larger diameter (about 18-35 meters), is thicker in the wall (between 1-2 meters), is buried deeper (about 20-35 meters), and belongs to important points and difficulties in construction. According to the soil conditions, the ground water level and the surrounding working conditions, common construction methods comprise a large excavation method, a reverse construction method, a sunk well and the like, and the sunk well method is relatively common. The basic principle of the open caisson method is that the wall of the rotational flow well is divided into sections to be poured respectively, the height of each section is about 5-8 m, the concrete of the wall begins to sink for a plurality of times after the concrete of the wall reaches a certain strength, the lateral pressure of soil body to the wall is larger and larger along with the gradual sinking of the wall, particularly, the mud and silt soil layer almost has no cohesive force, and the lateral pressure of the soil body is resisted by the wall of the rotational flow well entirely, so that the wall loss is caused by the overlarge pressure of the wall.
The utility model patent of publication number CN214574077U discloses a sunk well structure with a plurality of layers of horizontal inner annular plates, wherein the horizontal inner annular plates are arranged in the well wall, the thickness of the well wall is reduced through the horizontal inner annular plates, but when the horizontal inner annular plates are not used as permanent structures, the manufacturing cost is increased, and the construction operation is influenced. Firstly, the working surface of earth excavation in the open caisson is narrow, the vertical space for transporting earth is limited, and the efficiency is reduced; secondly, increasing the difficulty of the well wall formwork support, reserving horizontal inner ring plate dowel bars, and disassembling the formwork after the horizontal inner ring plate needs formwork support pouring and reaches a certain strength, so that the construction period is prolonged; finally, the chisels are required to be removed, the overhead operation is most, the potential safety hazard is large, the noise and dust pollution is large, the garbage is required to be cleaned again, the environment is not protected, the measure cost is high, and the joint of the horizontal inner annular plate and the well wall is required to be repaired.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a construction structure of the wall of the open caisson of the cyclone well, which improves the rigidity and strength of the wall of the cyclone well.
In order to achieve the technical purpose, the utility model adopts the following scheme: the construction structure of the wall of the open caisson of the cyclone well comprises a wall of the cyclone well and annular steel bars arranged on the wall of the cyclone well; the cyclone support device comprises a cyclone downhole section cylinder wall, and is characterized by further comprising a reinforcing belt and an inner support, wherein the reinforcing belt is arranged on the cyclone downhole section cylinder wall, inner support embedded parts are uniformly distributed on the inner side of the reinforcing belt, and the inner support is fixedly connected with the inner support embedded parts in sequence from head to tail to form a polygonal support system.
Compared with the prior art, the utility model has the beneficial effects that: the structure is characterized in that reinforcing belts are arranged in the wall of the cyclone well, embedded parts are arranged on the inner surfaces of the reinforcing belts at intervals, the inner support is sequentially welded and connected with the embedded parts, a combined dual steel-mixed support reinforcing system is formed, the rigidity of the inner support is increased, the inner support is in the shape of a regular polygon which is sequentially connected, and the stress is reasonable and balanced.
The preferable scheme of the utility model is as follows:
The circumferential steel bars of the reinforcing belt are arranged on the circumferential steel bars of the cylinder wall of the reinforcing belt at intervals; annular horizontal reinforcing ribs are arranged on the reinforcing band in the thickness direction of the cylinder wall, and stirrups are arranged on the annular horizontal reinforcing ribs at equal intervals. The reinforcing band is similar to a hidden beam, the circumferential reinforcing ribs and stirrups are added on the basis of the circumferential reinforcing steel bars of the original cylinder wall, and the rigidity is further increased.
An inclined support connecting rod is arranged in the middle of the inner support rod, and the end part of the inclined support connecting rod is fixedly connected with the embedded part of the cylinder wall to prevent the support from being bent downwards.
The back of the inner support embedded part is provided with a steel bar anchoring rib, and the steel bar anchoring rib is poured in the reinforcing belt.
Drawings
FIG. 1 is a schematic view of a construction structure of a wall of a sunk well of a cyclone well provided by an embodiment of the utility model;
FIG. 2 is a cross-sectional view taken along the A-A plane of FIG. 1;
FIG. 3 is a cross-sectional view taken along the B-B plane in FIG. 2;
FIG. 4 is a schematic structural view of a reinforcing in-band support embedment provided by an embodiment of the present invention;
Marked in the figure as: 1. a cylinder wall; 2. a reinforcing tape; 3. an embedded part; 4. an inner support; 5. stirrups; 6. reinforcing the circumferential reinforcing steel bars; 7. the circumferential reinforcement of the original cyclone shaft wall; 8. a diagonal support connecting rod; 9. annular horizontal reinforcing ribs.
Detailed Description
The present utility model will be described in detail with reference to the following embodiments for a full understanding of the objects, features and effects of the present utility model, but the present utility model is not limited thereto.
As shown in fig. 1 to 4, the construction structure of the wall of the open caisson of the cyclone well provided by the utility model consists of a wall 1, an original cyclone shaft wall circumferential steel bar 7, a reinforcing belt 2, an inner support 4 and the like, wherein the reinforcing belt 2 is arranged on the wall 1 of the cyclone well at the lowest section, and when the cyclone well is deeper, the reinforcing belt 2 can be arranged on the wall of the second section at the lower section. The annular reinforcing steel bars 7 of the original cyclone shaft wall are arranged on the cylinder wall 1, the annular reinforcing steel bars 6 of the reinforcing band are additionally arranged between the annular reinforcing steel bars 7 of the original cyclone shaft wall to form encrypted annular reinforcing steel bars, equidistant annular horizontal reinforcing steel bars 9 are arranged in the thickness direction of the cylinder wall 1, and hooping bars 5 are arranged on the annular horizontal reinforcing steel bars 9 at equal intervals.
Preferably, the width of the reinforcing belt 2 is consistent with the thickness of the cyclone well wall, and the height is 800-1500 mm; the spacing between 7 circumferential steel bars of the original cyclone shaft wall is 150-200 mm, and the radial steel bars are encrypted to 75-110 mm; the stirrup 5 is made of steel bars with diameters phi 10-phi 14, and the spacing is 200-400 mm; the annular horizontal reinforcing ribs 9 are main ribs with the same diameter as the stirrups 5, and the distance is 200-250 mm.
The reinforcing band 2 inboard evenly is provided with interior support built-in fitting 3, and the back of interior support built-in fitting 3 is provided with the reinforcing bar anchor muscle of a certain amount, and reinforcing bar anchor muscle is pour in reinforcing band 2. Two ends of the inner support 4 are fixedly connected with the connected inner support embedded parts 3 respectively, and the adjacent inner supports 4 are connected in a tail-to-tail mode to form a polygonal support system. Preferably, the inner support embedded part 3 is made of steel plates with the thickness of more than or equal to 16mm and the size of 500 mm 1000mm, and the requirements of support welding are met.
The construction method of the construction structure of the wall of the open caisson of the cyclone well comprises the following steps:
S1, a construction reinforcing belt 2: according to the depth and the wall thickness of the cyclone well, casting the cylinder wall 1 in sections, and controlling each section to be 5-7 m; a reinforcing belt 2 is arranged on the lowermost section of the cylinder wall 1. The width of the reinforcing belt 2 is consistent with the thickness of the cyclone well wall, and the height is controlled to be 800-1500 mm. Newly added reinforcing band circumferential steel bars 6 are arranged on the circumferential steel bars 7 of the original cyclone shaft wall at intervals on the inner side and the outer side of the original cyclone shaft wall 1, and annular encryption is carried out on the inner side and the outer side of the cyclone shaft wall 1; annular horizontal reinforcing ribs 9 with certain intervals are arranged in the thickness direction of the cylinder wall to serve as structural ribs, and reinforcing stirrups 5 are arranged on the reinforcing belt 2 at equal intervals.
Preferably, the distance between the reinforcing steel bars on two sides (the inner side and the outer side of the original cylinder wall) of the reinforcing band 2 is 150-220 mm, the reinforcing stirrup 5 can be encrypted to 75-110 mm, the diameter phi 10-phi 14 reinforcing steel bars are adopted, the distance is 200-400 mm, the annular horizontal reinforcing steel bar 9 in the direction of the reinforcing band width can be a main steel bar with the same specification diameter as the annular reinforcing steel bar 7 (or the reinforcing stirrup 5) of the original rotational flow shaft wall, and the distance is 200-250 mm.
S2, uniformly arranging inner support embedded parts 3 on the inner side of the reinforcing belt 2. The embedded part 3 is a steel plate with the thickness being more than or equal to 16mm, the size is 500 x 1000mm, the requirement of support welding is required to be met, and a certain number of steel bar anchoring ribs are arranged on the back surface of the embedded part 3.
When the cyclone well is deeper (the depth exceeds 25 m), a second support is arranged on the inner wall of the second section below, so that the rigidity of the lower part of the cylinder wall 1 is increased.
S3, mounting an inner support 4: and (5) installing the inner support 4 when the sinking well of the cylinder wall 1 is sunk to 90-110 cm away from the ground. And welding the inner support 4 with the cylinder wall embedded part 3 in sequence to form a polygonal support system. The inner support 4 is preferably H-shaped steel or steel pipe, and the size is preferably H-shaped steel with HM more than 350 or thick-wall steel pipe with phi more than 350.
Preferably, an inclined support connecting rod 8 is arranged in the middle of the inner support 4 to prevent the support from being bent downwards, and the inclined support connecting rod 8 is connected with the embedded part 3 on the cylinder wall 1.
S4, sinking the open caisson: and after the inner support system is installed, the sinking of the sinking well of the cylinder wall 1 is continued.
S5, support dismantling: the sinking shaft of the cylinder wall is sunk in place, the bottom sealing and the bottom plate construction are carried out, and the inner support 4 is removed after the bottom plate reaches a certain strength and has a support function.
Finally, it should be noted that: the above list is only a preferred embodiment of the present utility model, and it is understood that those skilled in the art can make modifications and variations thereto, and it is intended that the present utility model be construed as the scope of the appended claims and their equivalents.
Claims (4)
1. A construction structure of a wall of a rotary flow well sinking well comprises a wall of the well and a circumferential reinforcing steel bar arranged on the wall of the well; the cyclone support system is characterized by further comprising a reinforcing belt and an inner support, wherein the reinforcing belt is arranged on the wall of the lower section of the cyclone shaft, inner support embedded parts are uniformly distributed on the inner side of the reinforcing belt, and the inner support is fixedly connected with the inner support embedded parts in sequence from head to tail to form a polygonal support system.
2. The construction structure of the wall of the cyclone well sunk well according to claim 1, wherein the annular reinforcing bars of the reinforcing bands are arranged on the annular reinforcing bars of the wall of the cyclone well of the reinforcing bands at intervals; annular horizontal reinforcing ribs are additionally arranged on the reinforcing band in the thickness direction of the cylinder wall at intervals, and stirrups are arranged on the annular horizontal reinforcing ribs at equal intervals.
3. The construction structure of the wall of the open caisson of the cyclone well according to claim 1, wherein an inclined support connecting rod is arranged in the middle of the inner support rod, and the end part of the inclined support connecting rod is fixedly connected with the inner support embedded part.
4. The construction structure of the wall of the open caisson of the cyclone well according to claim 1, wherein the back surface of the inner support embedded part is provided with a steel bar anchoring rib, and the steel bar anchoring rib is poured in the reinforcing band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322619175.8U CN220953504U (en) | 2023-09-26 | 2023-09-26 | Construction structure for wall of open caisson of cyclone well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322619175.8U CN220953504U (en) | 2023-09-26 | 2023-09-26 | Construction structure for wall of open caisson of cyclone well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220953504U true CN220953504U (en) | 2024-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322619175.8U Active CN220953504U (en) | 2023-09-26 | 2023-09-26 | Construction structure for wall of open caisson of cyclone well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220953504U (en) |
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2023
- 2023-09-26 CN CN202322619175.8U patent/CN220953504U/en active Active
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