CN211776201U - Special-shaped structure construction structure - Google Patents
Special-shaped structure construction structure Download PDFInfo
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- CN211776201U CN211776201U CN201922297557.7U CN201922297557U CN211776201U CN 211776201 U CN211776201 U CN 211776201U CN 201922297557 U CN201922297557 U CN 201922297557U CN 211776201 U CN211776201 U CN 211776201U
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- 238000010276 construction Methods 0.000 title claims abstract description 63
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 230000001174 ascending effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 3
- 206010066054 Dysmorphism Diseases 0.000 claims description 2
- 239000000725 suspension Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000004035 construction material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a special-shaped structure construction structure, which comprises a cooling tower foundation pit dug at a set position, wherein a cushion layer is laid on the top surface of the cooling tower foundation pit, a circular bottom plate is poured on the cushion layer, and a ring base is poured in the outer circumferential direction of the circular bottom plate; a construction elevator tower frame is arranged in the cooling tower to be constructed and close to the tower inlet along the vertical direction, a lift car for ascending and descending is arranged on the construction elevator tower frame, a construction platform is arranged at the top of the construction elevator tower frame, and a hydraulic jacking flat bridge is arranged on the side surface of the construction elevator tower frame; installing templates of the herringbone column buttresses on the ground in the outer circumferential direction of the ring group at uniform intervals according to set positions and pouring the herringbone column buttresses; a single character column is poured on each single character column buttress, and a circle of lower ring beam is poured on the top of each character column buttress; and the tower wall of the cooling tower is poured on the lower ring beam in layers. This structure can guarantee the accurate high quality construction of whole cooling tower.
Description
Technical Field
The utility model relates to a cooling tower construction structures especially relates to a dysmorphism structures construction structures.
Background
The cooling tower is one of the important supporting projects of a power plant, the construction range is large, the high-altitude operation is more, the technical requirement is high, the cylinder wall is of a large-diameter hyperbolic shell structure, and the engineering influence is wide. The cylinder wall is formed by combining a multifunctional construction elevator and a hydraulic jacking flat bridge, and a method for hanging tripod turnover construction is matched, so that the problems of horizontal and vertical transportation of materials and manual vertical transportation are mainly solved.
Chinese patent application No. CN201910681517.4 discloses "an air inlet flow guide device for a natural draft cooling tower", in which the cooling tower has a hyperbolic tower body, herringbone columns are arranged along the circumference at the bottom of the hyperbolic tower body to form a tower base, and each air inlet is located between adjacent herringbone columns; at least one layer of guide vanes is arranged between two adjacent herringbone columns in each air inlet, and the guide vanes divide the air inlet into at least two layers of air inlets along the height direction. The structure disclosed by the patent is a cooling tower air inlet guide device, and does not relate to a construction method of a cooling tower cylinder wall.
Disclosure of Invention
The utility model aims to overcome the not enough of prior art, provide a construction cost is low, convenient and fast, the special-shaped structures construction structures that the work efficiency of construction is high.
The utility model discloses a special-shaped structure construction structure, which comprises a cooling tower foundation pit dug at a set position, wherein a cushion layer is laid on the top surface of the cooling tower foundation pit, a circular bottom plate is poured on the cushion layer, and a ring base is poured in the outer circumferential direction of the circular bottom plate; a construction elevator tower frame is arranged in the cooling tower to be constructed and close to the tower inlet along the vertical direction, a lift car for ascending and descending is arranged on the construction elevator tower frame, a construction platform is arranged at the top of the construction elevator tower frame, and a hydraulic jacking flat bridge is arranged on the side surface of the construction elevator tower frame; installing templates of the herringbone column buttresses on the ground in the outer circumferential direction of the ring group at uniform intervals according to set positions and pouring the herringbone column buttresses; a man-shaped column is poured on each herringbone column buttress, each herringbone column inclines towards the central axis direction of the cooling tower to be poured, the projection of the circle center of the circumference formed by the circle center connecting lines of the top surfaces of all the herringbone columns along the vertical direction is superposed with the circle center of the bottom plate, and a circle of lower ring beam is poured on the top of each herringbone column; and the tower wall of the cooling tower is cast on the lower ring beam in a layered manner.
The cylinder wall construction structure is mainly completed by a hydraulic jacking flat bridge and a multifunctional construction elevator matched suspension tripod shaping template system. The hydraulic jacking flat bridge and the construction elevator mainly solve the problems of horizontal and vertical transportation of materials and vertical transportation of manpower. The cooling tower is of a special-shaped hyperbolic structure, each herringbone column inclines towards the circle center of the circular bottom plate, but the space positions are different, the precision is high, the herringbone columns are accurately positioned, and the accurate installation of the wall of the cooling tower cylinder is guaranteed. The space positions of the herringbone columns, the lower ring beam and the cylinder wall are all accurately positioned. The accurate high-quality construction of the whole cooling tower is guaranteed.
Drawings
Fig. 1 is a schematic view of a construction node of a cylindrical wall construction vertical surface of a special-shaped structure construction structure of the utility model;
fig. 2 is the utility model discloses a special-shaped structures construction structures section of thick bamboo wall facade plumbing appearance and tripod installation construction node sketch map.
Detailed Description
The invention will be described in detail with reference to the following drawings and specific embodiments:
the utility model discloses a special-shaped structure construction structure as shown in the attached drawing, include the cooling tower foundation ditch that digs at the settlement position according to the drawing, on the cooling tower foundation ditch top surface spread the bed course and pour the circular bottom plate on the bed course, pour cyclic group 5 in the outer circumferencial direction of circular bottom plate; a construction elevator tower frame 9 is arranged in the cooling tower to be constructed close to the tower inlet along the vertical direction, a lift car for ascending and descending is arranged on the construction elevator tower frame 9, a construction platform is arranged at the top of the construction elevator tower frame, and a hydraulic jacking flat bridge 8 is arranged on the side surface of the construction elevator tower frame; a total station 2 is arranged in the center of the ring group 5, templates of the herringbone column buttresses are uniformly installed on the ground in the outer circumferential direction of the ring group 5 at intervals according to set positions, and the herringbone column buttresses 6 are poured; a man-shaped column is poured on each herringbone column buttress 6, each herringbone column inclines towards the central axis direction of the cooling tower to be poured, and the projection of the circle center of the circumference formed by the circle center connecting lines of the top surfaces of all the herringbone columns along the vertical direction is superposed with the circle center of the bottom plate. A circle of lower ring beam 10 is poured on the top of the herringbone column; and the tower wall 1 of the cooling tower is cast on the lower ring beam 10 in a layered manner.
The construction method of the structure comprises the following steps:
(1) digging a cooling tower foundation pit according to a drawing, laying a cushion layer on the top surface of the cooling tower foundation pit, pouring a circular bottom plate on the cushion layer, and then pouring a ring group 5 in the outer circumferential direction of the circular bottom plate;
(2) a construction elevator tower frame 9 is arranged in a cooling tower to be constructed close to a tower inlet along the vertical direction, a lift car for ascending and descending is arranged on the construction elevator tower frame 9, a construction platform is arranged at the top of the construction elevator tower frame, a hydraulic jacking flat bridge 8 is arranged on the side surface of the construction elevator tower frame, and the heights of the construction elevator tower frame 9 and the construction platform are consistent with the height of a lower ring beam 10;
(3) a total station 2 is arranged in the center of the ring group 5, templates of the herringbone column buttresses are uniformly installed on the ground in the outer circumferential direction of the ring group 5 at intervals according to set positions, and the herringbone column buttresses 6 are poured;
(4) removing the template of the herringbone column buttress, and then erecting a bent frame of the herringbone column above and on the side surface of the herringbone column buttress 6 along the annular direction of the plurality of herringbone column buttress 6, wherein the herringbone column is cylindrical;
(5) paying off the herringbone columns, wherein each herringbone column inclines towards the central axis direction of the cooling tower to be poured, and the paying off process of the herringbone columns is as follows: installing the assembled herringbone column templates on the herringbone column buttress 6 according to a construction drawing; positioning and measuring the inclined intersection angle of the herringbone column template and the herringbone column buttress by using a total station, positioning the spatial position of the herringbone column according to the intersection angle, wherein the angle of the intersection angle is obtained by a drawing;
(6) vertically transporting the herringbone column steel bar construction material to a construction platform through a lift car of a construction elevator tower frame 9, and then transporting the herringbone column steel bar construction material to a position, needing construction, of the herringbone column through a horizontal channel of a hydraulic jacking flat bridge 8; and then installing the bound herringbone column reinforcing steel bars at the set herringbone column positions, pouring herringbone column concrete, and enabling the projection of the circle center of a circumference formed by the circle center connecting lines of the top surfaces of all the herringbone columns along the vertical direction to coincide with the circle center of the bottom plate.
(7) A circle of lower ring beam 10 is poured on the top of the herringbone column;
(8) and (2) dismantling the total station 2, placing a vertical collimator at the position of the total station, fixing a disc-shaped receiving target 4 coated with fluorescent paint on the bottom wall on the bent frame through four steel wire ropes respectively, and drawing a cross at the center of the receiving target. The centre point of the collimator coincides with the centre of the cross of the disc-shaped receiving target 4.
(9) Determining the spatial position of the tower wall by starting from the radius of the outer wall of the first tower wall from the center of the disc-shaped receiving target 4;
(10) continuously lengthening the height of a construction elevator tower frame and the height of a hydraulic jacking flat bridge 8, conveying materials to a construction platform, hoisting the materials to a construction position by using the hydraulic jacking flat bridge 8, casting the cylinder wall of a cooling tower on the lower ring beam 10 in sections until the height of the tower wall of the cooling tower is one tenth of the height of the tower wall of the cooling tower, and dismantling the bent frame of the herringbone column when the concrete strength of the herringbone column reaches the design strength;
(11) and first circle of suspension tripods 3 fixedly connected with the first circle of tower wall template are uniformly installed at intervals in the circumferential direction of one tenth of the height of the tower wall of the cooling tower, the disc-shaped receiving target is lifted, and the disc-shaped receiving target is respectively fixed on the first circle of suspension tripods 3 through four steel wire ropes. The centre point of the collimator coincides with the centre of the disc-shaped receiving target 4. Determining the space position of the tower wall by measuring the radius of the outer wall of the tower wall of the cooling tower above one tenth of the height of the tower wall from the center of the disc-shaped receiving target 4;
(12) the height of the construction elevator tower frame and the hydraulic jacking flat bridge 8 is lengthened, materials are transported to a construction platform, the hydraulic jacking flat bridge 8 is hoisted to a construction position, first section concrete is poured in a first circle of tower wall formwork,
(13) uniformly installing second ring suspension tripods fixedly connected with a second ring tower wall template on the first section of concrete at intervals, and then pouring the second section of concrete in the second ring tower wall template;
(14) repeating the step (13), mounting a third ring of suspension tripod fixedly connected with a third ring of tower wall template on the second section of concrete, and pouring third section of concrete;
(15) when the strength of the first section of concrete reaches 10MPa, removing the first ring of suspension triangular supports 3 and the template, repeating the step (13), mounting the removed first ring of suspension triangular supports and the template on the third section of concrete, and pouring fourth section of concrete;
(16) repeating the step (15), sequentially installing the dismantled second ring of suspension tripod and the template on the fourth section of concrete and pouring fifth section of concrete, and installing the dismantled third ring of suspension tripod and the template on the fifth section of concrete and pouring sixth section of concrete;
(17) lifting the disc-shaped receiving target, and fixedly connecting the disc-shaped receiving target with a third ring of suspension tripod arranged on fifth section concrete through four steel wire ropes; the center point of the plummet is coincided with the center of the disc-shaped receiving target; determining the space position of the tower wall by the radius of the outer wall of the tower wall at the position above the fifth section of concrete from the center of the disc-shaped receiving target;
(18) and (5) repeating the steps (15) - (16) to sequentially remove and install the suspension tripod and the template on the lowermost layer to the concrete on the uppermost layer section, and then pouring the concrete until the top end of the cylinder wall of the cooling tower.
Claims (1)
1. The utility model provides a dysmorphism structure construction structures which characterized in that: the method comprises the following steps of digging a cooling tower foundation pit at a set position, paving a cushion layer on the top surface of the cooling tower foundation pit, pouring a circular bottom plate on the cushion layer, and pouring a ring base in the outer circumferential direction of the circular bottom plate; a construction elevator tower frame is arranged in the cooling tower to be constructed and close to the tower inlet along the vertical direction, a lift car for ascending and descending is arranged on the construction elevator tower frame, a construction platform is arranged at the top of the construction elevator tower frame, and a hydraulic jacking flat bridge is arranged on the side surface of the construction elevator tower frame; installing templates of the herringbone column buttresses on the ground in the outer circumferential direction of the ring group at uniform intervals according to set positions and pouring the herringbone column buttresses; a man-shaped column is poured on each herringbone column buttress, each herringbone column inclines towards the central axis direction of the cooling tower to be poured, the projection of the circle center of the circumference formed by the circle center connecting lines of the top surfaces of all the herringbone columns along the vertical direction is superposed with the circle center of the bottom plate, and a circle of lower ring beam is poured on the top of each herringbone column; and the tower wall of the cooling tower is cast on the lower ring beam in a layered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922297557.7U CN211776201U (en) | 2019-12-19 | 2019-12-19 | Special-shaped structure construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922297557.7U CN211776201U (en) | 2019-12-19 | 2019-12-19 | Special-shaped structure construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211776201U true CN211776201U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922297557.7U Active CN211776201U (en) | 2019-12-19 | 2019-12-19 | Special-shaped structure construction structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914545A (en) * | 2021-08-31 | 2022-01-11 | 中国化学工程第十四建设有限公司 | Special-shaped ring beam construction method suitable for circulating cooling water station |
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2019
- 2019-12-19 CN CN201922297557.7U patent/CN211776201U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914545A (en) * | 2021-08-31 | 2022-01-11 | 中国化学工程第十四建设有限公司 | Special-shaped ring beam construction method suitable for circulating cooling water station |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210415 Granted publication date: 20201027 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240109 Granted publication date: 20201027 |