CN214169114U - Small-size aquatic sleeve cofferdam structural system - Google Patents
Small-size aquatic sleeve cofferdam structural system Download PDFInfo
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- CN214169114U CN214169114U CN202021873504.1U CN202021873504U CN214169114U CN 214169114 U CN214169114 U CN 214169114U CN 202021873504 U CN202021873504 U CN 202021873504U CN 214169114 U CN214169114 U CN 214169114U
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Abstract
The utility model discloses a small-size aquatic sleeve cofferdam structure system, including river bed soil layer, the top of river bed soil layer is provided with the steel sleeve, the wall thickness of steel sleeve increases gradually from top to bottom, the inner wall of steel sleeve is provided with the slip layer, the outside circumference of steel sleeve is provided with the location body, the bottom of steel sleeve is provided with plain concrete bed course and the type of falling T reinforced concrete, the circumference of the type of falling T reinforced concrete is provided with firm concrete body, firm concrete body's height is greater than the bottom elevation and is less than the height of type of falling T reinforced concrete simultaneously, the top of the type of falling T reinforced concrete is provided with column form pipe and column concrete body, the top of column concrete body is sunken to be provided with pours the hole, be provided with the connecting piece in the pours the hole, be provided with the girder frame above the connecting piece, the top of steel sleeve is provided with the recovery, through above-mentioned mode, the utility model relates to a compensation system of large-scale cofferdam engineering, small, it is with low costs, save the cost.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a small-size aquatic sleeve cofferdam structure system.
Background
In the prior art, during landscape reconstruction and lifting construction of a water bank, certain trestles or sightseeing rest platforms are often built at the position close to the bank in water, the trestles or the sightseeing rest platforms usually adopt reinforced concrete frame structures, and foundations adopt single foundations under columns.
The conventional construction method comprises the following steps: a cofferdam is built on the outer side of a gallery or a sightseeing rest platform, the cofferdam is a temporary enclosure structure built for building permanent water conservancy facilities in the hydraulic engineering construction, the cofferdam has the function of preventing water and soil from entering the building position of a building so as to drain water in the cofferdam and build the building, and after the construction of a main structure is finished, a building site of the gallery or the sightseeing rest platform is obtained.
The cofferdam has various structural forms, such as: an invention patent with the publication number of CN103397650B discloses a large-scale steel cylinder cofferdam structure; an invention patent with publication number CN107816050A discloses a combined cofferdam of a concrete cofferdam and an earth-rock cofferdam and a construction method thereof, the prior cofferdam has various structures, but the cofferdam type is mainly biased to large-scale engineering, the construction cost of the cofferdam is higher, the construction period is longer, the long-time precipitation construction in the cofferdam has larger influence on the prior revetment, when being applicable to the near-shore construction, the prior revetment is easy to collapse, and the ground subsides after the revetment; on the other hand, the presence of cofferdams also affects the general range of the water surface or has an effect on flood discharge.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a small-size aquatic sleeve cofferdam structure system, as the compensation system of large-scale cofferdam engineering, has smallly, and is with low costs, saves the cost, and the advantage of design flexibility is applicable to most view and erects.
In order to solve the technical problem, the utility model discloses a technical scheme be: provides a small-sized underwater sleeve cofferdam structure system, which comprises a river bottom soil layer, wherein a steel sleeve is arranged above the river bottom soil layer, the wall thickness of the steel sleeve is gradually increased from top to bottom, the inner wall of the steel sleeve is provided with a slip layer, the outer side of the steel sleeve is circumferentially provided with a positioning body, the bottom of the steel sleeve is provided with a plain concrete cushion layer, the upside of the plain concrete cushion layer is provided with inverted T-shaped reinforced concrete, the circumferential direction of the inverted T-shaped reinforced concrete is provided with a stable concrete body, the height of the stable concrete body is greater than the water bottom elevation and is smaller than the height of the inverted T-shaped reinforced concrete, a column mould pipe is arranged above the inverted T-shaped reinforced concrete, a column concrete body is filled in the column mould pipe, the top end of the column concrete body is concavely provided with a pouring hole, a connecting piece is arranged in the pouring hole, a steel beam frame is arranged above the connecting piece, and a recovery positioning piece is arranged above the steel sleeve.
Preferably, the recovery positioning part is a drawing hole penetrating through the wall thickness of the steel sleeve.
Preferably, the number of the drawing holes is a plurality of and the drawing holes are symmetrically arranged.
Preferably, the slip layer is a lubricating oil layer.
Preferably, the column mould pipe is a PVC pipe.
Preferably, the steel sleeve is made of a steel plate coil.
Preferably, the positioning body is a sandbag body.
The utility model has the advantages that: the utility model provides a small-sized water sleeve cofferdam structure system, which is convenient for building a gallery road or a sight rest platform in water at present without the need of large surrounding construction cofferdam engineering; the novel water channel is ingenious in size, low in cost, low in manufacturing cost, short in construction period, convenient and quick to construct, small in destructive power to a water body, and particularly capable of reducing the influence of the water channel on traffic to the minimum in the riverways with navigation requirements, and has good practicability and market prospect.
Drawings
Fig. 1 is a schematic structural view of a small-sized underwater sleeve cofferdam structure system of the present invention;
the parts in the drawings are numbered as follows:
1. a river bottom soil layer; 2. a steel sleeve; 3. a slip-off layer; 4. a positioning body; 5. a plain concrete cushion;
6. inverted T-shaped reinforced concrete; 7. stabilizing the concrete body; 8. a column mold tube; 9. a column concrete body; 10. pouring holes; 11. a connecting member; 12. a steel beam frame; 13. and drawing the hole.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Example (b):
as shown in fig. 1, a small-sized underwater sleeve cofferdam structure system comprises a river bottom soil layer 1, a steel sleeve 2 is arranged above the river bottom soil layer 1, the diameter of the steel sleeve 2 is determined according to the soil condition of a lower site and the size of a gallery foundation above, the diameter of the steel sleeve is generally larger than 1m, the steel sleeve 2 is generally driven into the soil by an excavator with a vibration hammer, and the steel sleeve is ensured to enter the river bottom soil layer 1 to a certain depth. The steel sleeve 2 is made of a steel plate rolling plate, sufficient supporting strength is provided, and the wall thickness of the steel sleeve 2 is gradually increased from top to bottom in view of the fact that the water pressure below is greater than that above.
As shown in fig. 1, the outside circumference of steel sleeve 2 is provided with locating body 4 for inject the position of steel sleeve 2, improve the effect of drawing water in the steel sleeve 2 simultaneously, locating body 4 preferred is the sand bag body, is provided with plain concrete bed course 5 in the bottom of steel sleeve 2, is used for conveniently realizing on the one hand under the condition of surfacing ligature reinforcing bar above it, also plays the effect of protection basis simultaneously.
As shown in fig. 1, an inverted T-shaped reinforced concrete 6 is arranged above the plain concrete cushion 5, the foundation area, the foundation height and the foundation reinforcement arrangement are determined according to the load transferred from the superstructure to the foundation, the soil condition of the site and the soil bearing capacity, and the cross section of the inverted T-shaped reinforced concrete is circular. The circumference of falling T shaped steel reinforced concrete 6 is provided with firm concrete body 7, and firm concrete body 7 highly is greater than submarine elevation and is less than the height of falling T shaped steel reinforced concrete 6 simultaneously for ensure the stability of steel sleeve 2 take out the back basis, avoid under the washing away of rivers, take place the side to move, turn over or other destruction circumstances.
As shown in fig. 1, a column mould pipe 8 is arranged above the inverted T-shaped reinforced concrete 6, the column mould pipe 8 is a PVC pipe, the pipe diameter of the PVC pipe is matched with the diameter of the column below, and three size types of 355mm, 400mm and 450mm are preferably considered on the premise of meeting the requirement of bearing capacity; the column mould pipe 8 is filled with the column concrete body 9, and in order to meet the requirements of quick construction, quick increase of strength and adaptation to the water environment, the column concrete body 9 adopts concrete doped with a proper amount of early strength water reducing agent. The top end of the column concrete body 9 is concavely provided with a pouring hole 10, a connecting piece 11 is arranged in the pouring hole 10, a steel beam frame 12 is arranged above the connecting piece 11, the steel beam frame 12 determines the size specification according to the upper load and the column spacing of the plank road and the arrangement condition of primary and secondary steel beams of the board surface, the bearing capacity and the deformation requirement are met, and for the plank road with longer length, an expansion joint is arranged according to the specification requirement.
As shown in fig. 1, the utility model provides a steel sleeve 2 among the structural system is detachable recovery type, and its inner wall is provided with and slips off-layer 3 and the top is provided with the recovery setting element, exerts in retrieving the setting element through external effort, can break away from below system with steel sleeve 2 extraction smoothly under the effect of slipping off-layer 3 simultaneously, realizes the subsequent recycle of steel sleeve 2. The sliding separation layer 3 is preferably a lubricating oil layer, on one hand, plays a role in isolation, and on the other hand, has small sliding friction force, and is beneficial to the relative sliding of the two layers; for the recovery positioning piece, the recovery positioning piece is preferably arranged to penetrate through a drawing hole 13 formed in the wall thickness of the steel sleeve 2, and is applied to the drawing hole 13 through external action to realize convenient extraction; in addition, for the purpose of force application balance, the number of the drawing holes 13 is a plurality of and is symmetrically arranged.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a small-size aquatic sleeve cofferdam structural system which characterized in that: comprises a river bottom soil layer (1), a steel sleeve (2) is arranged above the river bottom soil layer (1), the wall thickness of the steel sleeve (2) is gradually increased from top to bottom, a slip layer (3) is arranged on the inner wall of the steel sleeve (2), a positioning body (4) is arranged in the circumferential direction of the outer side of the steel sleeve (2), a plain concrete cushion layer (5) is arranged at the bottom of the steel sleeve (2), a reversed T-shaped reinforced concrete (6) is arranged above the plain concrete cushion layer (5), a stable concrete body (7) is arranged in the circumferential direction of the reversed T-shaped reinforced concrete (6), the height of the stable concrete body (7) is larger than the height of the reversed T-shaped reinforced concrete (6) and is simultaneously smaller than the height of the reversed T-shaped reinforced concrete (6), a column mold pipe (8) is arranged above the reversed T-shaped reinforced concrete (6), a column concrete body (9) is arranged in the column mold pipe (8) in a filling manner, a pouring hole (10) is arranged at the top end of the column concrete body (9) in a sunken manner, a connecting piece (11) is arranged in the pouring hole (10), a steel beam frame (12) is arranged above the connecting piece (11), and a recovery positioning piece is arranged above the steel sleeve (2).
2. A small aquatic sleeve cofferdam construction system of claim 1 wherein: the recovery positioning piece is a drawing hole (13) penetrating through the wall thickness of the steel sleeve (2).
3. A small aquatic sleeve cofferdam construction system of claim 2 wherein: the number of the drawing holes (13) is a plurality of and the drawing holes are symmetrically arranged.
4. A small aquatic sleeve cofferdam construction system of claim 1 wherein: the slip layer (3) is a lubricating oil layer.
5. A small aquatic sleeve cofferdam construction system of claim 1 wherein: the column mould pipe (8) is a PVC pipe.
6. A small aquatic sleeve cofferdam construction system of claim 1 wherein: the steel sleeve (2) is made of a steel plate coil.
7. A small aquatic sleeve cofferdam construction system of claim 1 wherein: the positioning body (4) is a sandbag body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021873504.1U CN214169114U (en) | 2020-09-01 | 2020-09-01 | Small-size aquatic sleeve cofferdam structural system |
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Application Number | Priority Date | Filing Date | Title |
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CN202021873504.1U CN214169114U (en) | 2020-09-01 | 2020-09-01 | Small-size aquatic sleeve cofferdam structural system |
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CN214169114U true CN214169114U (en) | 2021-09-10 |
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CN202021873504.1U Active CN214169114U (en) | 2020-09-01 | 2020-09-01 | Small-size aquatic sleeve cofferdam structural system |
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CN (1) | CN214169114U (en) |
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2020
- 2020-09-01 CN CN202021873504.1U patent/CN214169114U/en active Active
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Address after: 202 Xujiang Road, Suzhou, Jiangsu Province Patentee after: Suzhou Landscape Design Institute Co.,Ltd. Address before: 202 Xujiang Road, Suzhou, Jiangsu Province Patentee before: SUZHOU INSTITUTE OF LANDSCAPE ARCHITECTURE DESIGN CO.,LTD. |