CN217399697U - Steel suspension box cofferdam with partially-recycled bottom plate blocks for multi-pile cap construction - Google Patents
Steel suspension box cofferdam with partially-recycled bottom plate blocks for multi-pile cap construction Download PDFInfo
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- CN217399697U CN217399697U CN202220226428.8U CN202220226428U CN217399697U CN 217399697 U CN217399697 U CN 217399697U CN 202220226428 U CN202220226428 U CN 202220226428U CN 217399697 U CN217399697 U CN 217399697U
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- bottom plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 59
- 239000010959 steel Substances 0.000 title claims abstract description 59
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 239000000725 suspension Substances 0.000 title claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000012634 fragment Substances 0.000 abstract description 15
- 238000003466 welding Methods 0.000 abstract description 7
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a but steel hanging box cofferdam that bottom plate piecemeal part was retrieved for construction of many pile cap, including the fossil fragments bottom plate, set up in fossil fragments bottom plate curb plate and suspension system all around, the fossil fragments bottom plate is assembled by a plurality of fossil fragments module and is constituteed, carries out the lock joint with the tongue-and-groove butt joint and through the snap close piece between the adjacent fossil fragments module seam and fixes. The utility model has the advantages that: (1) channel steel or I-steel is adopted as a main keel frame, so that the processing is convenient; (2) the bottom plate of the steel suspension box cofferdam can be assembled on site after being prefabricated, all the blocks are connected by tongue-and-groove and fixed by a lock catch, and finally, finish-rolled deformed steel bars can be adopted for splicing and oppositely pulling, so that a large amount of welding and mounting time is saved, and the construction efficiency is improved; (3) after the construction of the underwater bearing platform is completed, most of the assembled steel bottom plate can be detached, recycled and reused, a large amount of steel is saved, and the construction cost is saved.
Description
Technical Field
The utility model relates to a bridge construction technical field, concretely relates to but steel hanging box cofferdam that bottom plate piecemeal part was retrieved for construction of many pile caps.
Background
In the construction of underwater bridges, the high pile cap is constructed by using a steel suspension box cofferdam. For the construction of the bearing platform steel suspension box cofferdam, the bottom plate of the steel suspension box commonly used in China is a common main keel and secondary keel layered bottom plate, the bottom plate needs to weld the main keel and secondary keel panels into a whole in the field, a large amount of field welding workload is increased, and the bottom plate cannot be recycled after being welded into a whole, so that the huge waste just before is caused. Therefore, a steel suspension box cofferdam device which is convenient to construct and can partially recycle and reuse the bottom plate is urgently needed.
Disclosure of Invention
The utility model aims at providing a but steel suspension box cofferdam that bottom plate piecemeal part was retrieved for many pile cap construction according to the weak point of above-mentioned prior art, this steel suspension box cofferdam can realize the quick installation and the part of bottom plate and retrieve through the fossil fragments bottom plate that adopts to form by the concatenation of a plurality of fossil fragments module.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
a steel suspension box cofferdam for the construction of a multi-pile bearing platform with a bottom plate capable of being partially recycled in a blocking way is characterized by comprising a keel bottom plate, side plates arranged on the periphery of the keel bottom plate and a hanging system, wherein the keel bottom plate is formed by assembling a plurality of keel modules, and the joints of the adjacent keel modules are butted by tongue-and-groove joints and are fastened and fixed by a fastener; the keel module is a combination of a plurality of A-shaped keel modules, B-shaped keel modules and C-shaped keel modules; the C-shaped keel module is provided with at least three rectangular through holes with sealed peripheries, and the B-shaped keel module is arranged between the A-shaped bottom plate module and the B-shaped bottom plate module.
The fastener comprises a steel plate, the steel plate is attached to the splicing surfaces of the keel modules and is arranged adjacent to the splicing surfaces of the keel modules, and the edge parts of the two sides of the steel plate are obliquely and inwards bent to form the keel modules at the two sides of the fastener.
And arranging finish rolling deformed steel bars between the keel modules in a counter-pulling manner to form the integral keel base plate.
The keel base plate is by splicing in proper order A type fossil fragments module B type fossil fragments module C type fossil fragments module B type fossil fragments module and A type fossil fragments module is constituteed, on the keel base plate rectangle through-hole quantity with set up the quantity that the position corresponds to the stake and set up the position.
The keel module is a plurality of combinations in A type keel module, B type keel module, C type keel module, D type keel module, E type keel module, F type keel module, G type keel module, wherein, D type keel module sets up C type keel module with between the E type keel module, interval distribution has two periphery confined rectangle through-holes in the E type keel module, F type keel module sets up E type keel module with between the G type keel module, interval distribution has six rectangle through-holes on the G type keel module.
The utility model has the advantages that:
(1) channel steel or I-steel is adopted as a main keel frame, so that the processing is convenient;
(2) the bottom plate of the steel suspension box cofferdam can be assembled on site after being prefabricated, all the blocks are connected by the tongue-and-groove and fixed by the lock catch piece, and finally, the finish-rolled deformed steel bar can be adopted for splicing and oppositely pulling, so that a large amount of welding and mounting time is saved, and the construction efficiency is improved;
(3) after the construction of the underwater bearing platform is completed, most of the assembled steel bottom plate can be detached, recycled and reused, a large amount of steel is saved, and the construction cost is saved.
Drawings
FIG. 1 is a schematic plan view of a steel suspension box cofferdam with a partitioned bottom plate and a non-partitioned recovery function for construction of a nine-pile bearing platform of the utility model;
figure 2 is an exploded view of the keel base of figure 1 of the present invention;
fig. 3 is a schematic view of tongue-and-groove connection and fastening between adjacent keel modules in fig. 1 according to the present invention;
fig. 4 is a partially enlarged schematic view of tongue-and-groove connection and fastening between adjacent keel modules in fig. 3 according to the present invention;
FIG. 5 is a schematic view of a locking member of the present invention;
FIG. 6 is a plan view of the steel suspension box cofferdam with partitioned bottom plate and non-partitioned recovery for construction of the special-shaped pile cap of the utility model;
figure 7 is an exploded view of the keel base of figure 6 according to the invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:
referring to fig. 1-7, the symbols in the drawings are: the keel structure comprises a keel base plate 1, keel modules 1A, keel modules 1B, keel modules 1C, keel modules 1D, keel modules 1E, keel modules 1F, keel modules 1G, rectangular through holes 2, rectangular through holes 3, finish-rolled deformed steel bars 4, locking fasteners 5 and tongue-and-groove joints 6.
Example 1: as shown in fig. 1-5, this embodiment specifically relates to a steel suspension box cofferdam for multi-pile cap construction, which is divided into blocks and partially recycled, specifically, 9-pile caps are to be implemented, the steel suspension box cofferdam includes an assembled keel base plate 1, side plates arranged around the keel base plate 1, and a hanging system positioned above the keel base plate, the keel base plate 1 is formed by splicing a plurality of keel modules, the selection of the keel modules is determined by the pile caps to be implemented, in this embodiment, three types of keel modules are adopted, that is, the keel module 1A, the keel module 1B, and the keel module 1C. The keel base plate 1 is formed by sequentially splicing the keel modules 1A, the keel modules 1B, the keel modules 1C, the keel modules 1B and the keel modules 1A, the adjacent keel modules are butted by adopting the tongue-and-groove 6 (shown in figure 4) and are fastened and fixed by the locking fastener 5, and in addition, the 5 keel modules are pulled oppositely by two transverse finish-rolled deformed steel bars 4 to form a whole, so that the structural strength of the keel base plate 1 is improved. The keel base plate 1 is integrally provided with 9 rectangular through holes 2 and 3 which are distributed in an array manner, and each rectangular through hole 2 corresponds to the position of 9 piles to be constructed subsequently.
As shown in fig. 1-5, the keel module 1A is strip-shaped and formed by welding channel steel or i-steel, 3 rectangular through holes 2 are longitudinally distributed in the keel module 1A at intervals, and it should be noted that the side walls of the rectangular through holes 2 at the splicing surfaces are open, that is, the keel module 1A has 3 rectangular through holes 2 with open side wall surfaces, and the purpose of adopting the side wall surface opening is to facilitate the recovery of the keel module 1A located at the outer side after the construction is completed.
As shown in fig. 1 to 5, the keel module 1B is in a strip shape, is formed by welding channel steel or i-steel, is not provided with any rectangular through hole, is mainly arranged between the keel module 1A and the keel module 1C, and plays a role in structural connection.
As shown in fig. 1 to 5, the keel module 1C is strip-shaped and formed by welding channel steel or i-steel, 3 rectangular through holes 3 are longitudinally distributed in the keel module 1C at intervals, and unlike the rectangular through holes 2 in the keel module 1A, the four peripheries of the rectangular through holes 3 are closed. The reason for using the closed rectangular through-hole 3 is that the keel block 1C is not considered to be drawn out.
As shown in fig. 3, 4 and 5, the adjacent keel modules are butted by adopting a tongue-and-groove 6, the so-called tongue-and-groove 6 is shown in fig. 4, the splicing surface of the keel module at one side is in a convex strip shape, the splicing surface of the keel module at the other side is in a groove shape, and the keel modules are butted and limited mutually; in addition, the main part of fastener 5 is a steel sheet, and this steel sheet laminating sets up the concatenation bottom surface department at two adjacent fossil fragments module, and the both sides edge of steel sheet has the hasp that is the slope intubate, and the hasp lock-joint is on the channel-section steel of two fossil fragments modules to constitute fixed connection with adjacent fossil fragments module.
As shown in fig. 1-5, after the construction of the bearing platform is completed, the keel module 1A and the keel module 1B which are positioned at the outer side of the keel base plate 1 are extracted, because of the reason of the pile foundation, the keel module 1C can be blocked in the pile foundation and can not be extracted, and the recovery rate of the keel module reaches 80%.
The beneficial effect of this embodiment lies in: (1) channel steel or I-steel is adopted as a main keel frame, so that the processing is convenient; (2) the bottom plate of the steel suspension box cofferdam can be assembled on site after being prefabricated, all the blocks are connected by tongue-and-groove and fixed by the lock catch 5, and finally, finish-rolled deformed steel bars can be adopted for splicing and oppositely pulling, so that a large amount of welding and mounting time is saved, and the construction efficiency is improved; (3) after the construction of the underwater bearing platform is completed, most of the assembled steel bottom plate can be detached, recycled and reused, a large amount of steel is saved, and the construction cost is saved.
Example 2: as shown in fig. 4-7, this embodiment specifically relates to a steel suspension box cofferdam for the construction of multi-pile bearing platform, which is characterized in that the steel suspension box cofferdam is a special-shaped pile bearing platform, and different from embodiment 1, the distribution of each pile foundation is similar to a dumbbell shape, therefore, the following keel modules are selected for assembly according to the distribution condition of the pile foundation in this embodiment, that is, the keel modules 1A, 1B, 1C, 1D, 1E, 1F and 1G are used, and the splicing sequence of the keel modules is: keel module 1A, keel module 1B, keel module 1C, keel module 1D, keel module 1E, keel module 1F, keel module 1G, keel module 1F, keel module 1E, keel module 1D, keel module 1C, keel module 1B, keel module 1A.
As shown in fig. 4 to 7, the structures of the keel module 1A, the keel module 1B and the keel module 1C are the same as those in embodiment 1, and are not described herein again.
Keel module 1E is strip-shaped, and its length is shorter than keel module 1C, has seted up the rectangle through-hole of two closed side wall faces on it.
It should be noted that the abutting and fixing manner between the adjacent keel modules is exactly the same as that in embodiment 1.
As shown in fig. 4-7, after the construction of the bearing platform is completed, the keel module 1A, the keel module 1B, the keel module 1D and the keel module 1F which are positioned outside the keel base plate 1 are taken out, because of the pile foundation, the keel module 1C, the keel module 1E and the keel module 1G can be blocked in the pile foundation and cannot be taken out, and the recovery rate of the keel module reaches 50%.
Claims (5)
1. A bottom plate blocking and partially-recyclable steel suspension box cofferdam for multi-pile cap construction is characterized by comprising a keel bottom plate, side plates arranged on the periphery of the keel bottom plate and a hanging system, wherein the keel bottom plate is formed by assembling a plurality of keel modules, and joints of the adjacent keel modules are butted through tongue-and-groove joints and are fastened and fixed through a fastener; the keel modules are various combinations of A-shaped keel modules, B-shaped keel modules and C-shaped keel modules; the C-shaped keel module is provided with at least three rectangular through holes with sealed peripheries, and the B-shaped keel module is arranged between the A-shaped keel module and the B-shaped keel module.
2. The cofferdam of claim 1, wherein said locking means comprises a steel plate, said steel plate is attached to the joint surface of adjacent keel modules, and the two side edges of said steel plate are inclined inward to form said keel modules at both sides of the locking means.
3. The steel suspension box cofferdam of claim 1, wherein the finished screw thread steel is installed between each of the keel blocks in a counter-pulling manner to form the integral keel base plate.
4. The steel suspension box cofferdam of claim 3, wherein said keel base plate is composed of said A-shaped keel module, said B-shaped keel module, said C-shaped keel module, said B-shaped keel module and said A-shaped keel module, which are sequentially spliced, and the number and the arrangement positions of said rectangular through holes on said keel base plate correspond to the number and the arrangement positions of piles.
5. The steel hanging box cofferdam of claim 1 which is used for the construction of multi-pile cap-bearing platform and has the bottom plate which can be partially recovered in blocks, characterized in that the keel modules are a plurality of combinations of A-shaped keel modules, B-shaped keel modules, C-shaped keel modules, D-shaped keel modules, E-shaped keel modules, F-shaped keel modules and G-shaped keel modules, wherein the D-shaped keel modules are arranged between the C-shaped keel modules and the E-shaped keel modules, two rectangular through holes with closed peripheries are distributed in the E-shaped keel modules at intervals, the F-shaped keel modules are arranged between the E-shaped keel modules and the G-shaped keel modules, and six rectangular through holes are distributed on the G-shaped keel modules at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226428.8U CN217399697U (en) | 2022-01-27 | 2022-01-27 | Steel suspension box cofferdam with partially-recycled bottom plate blocks for multi-pile cap construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226428.8U CN217399697U (en) | 2022-01-27 | 2022-01-27 | Steel suspension box cofferdam with partially-recycled bottom plate blocks for multi-pile cap construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217399697U true CN217399697U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220226428.8U Active CN217399697U (en) | 2022-01-27 | 2022-01-27 | Steel suspension box cofferdam with partially-recycled bottom plate blocks for multi-pile cap construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217399697U (en) |
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2022
- 2022-01-27 CN CN202220226428.8U patent/CN217399697U/en active Active
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