CN221052392U - Underwater steel hanging box template system suitable for shallow water operation - Google Patents
Underwater steel hanging box template system suitable for shallow water operation Download PDFInfo
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- CN221052392U CN221052392U CN202322587773.1U CN202322587773U CN221052392U CN 221052392 U CN221052392 U CN 221052392U CN 202322587773 U CN202322587773 U CN 202322587773U CN 221052392 U CN221052392 U CN 221052392U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 187
- 239000010959 steel Substances 0.000 title claims abstract description 187
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000005096 rolling process Methods 0.000 claims abstract description 26
- 238000009826 distribution Methods 0.000 claims abstract description 14
- 239000000725 suspension Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 3
- 238000010276 construction Methods 0.000 claims description 19
- 239000004033 plastic Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model discloses an underwater steel hanging box template system suitable for shallow water operation. Comprising the following steps: load-bearing system: pouring the finished pile foundation of the underwater bearing platform, reserving a steel platform steel pipe pile and a steel platform lower cross beam supported by the pile foundation, and reinforcing a scissor brace; suspension system: a plurality of parallel upper main beams fixed on the lower beam of the steel platform, wherein each upper main beam is connected with the lower main beam in a lifting and hanging manner through finish rolling screw steel, and two end parts of each upper main beam are respectively provided with a hand hoist which is connected with the end part of the corresponding lower main beam in a hanging manner; a plurality of bottom mould distribution beams are paved on the lower main beam; steel hanging box template system: the water-stop device comprises a bottom die and side dies, wherein the bottom die is paved and fixed on a bottom die distribution beam, the end face of the side die is fixed on a bottom die steel template through bolts, and a rubber water-stop belt is tightly pressed and filled in a connecting contact joint. In the assembly process of the system components, a tiling or high-strength bolt connection mode is adopted, the pull rope is arranged on the components below the water surface, the steel hanging box is convenient and efficient to disassemble, and the components can be recycled.
Description
Technical Field
The utility model belongs to the technical field of bridge building construction equipment design, in particular to the technical field of bridge underwater building construction equipment design, and particularly relates to an underwater steel hanging box template system suitable for shallow water operation.
Background
With the continuous development of bridge technology, large-span, high pier and underwater construction are more and more, and the construction difficulty is more and more. At present, various forms of cofferdams, such as steel sheet pile cofferdams, river island construction, concrete cofferdams and the like, are adopted according to the site conditions during underwater foundation construction.
As a common cofferdam structure, the steel suspended box cofferdam has the cofferdam forms of quick construction, small construction difficulty, comparison of steel sheet piles and the like, has less overall material consumption and is widely applied to bridge construction.
The steel suspended box cofferdam implemented at present has the problems of complex assembly, more welding spots, water leakage, insufficient strength of a suspender, incapability of recycling materials caused by material welding damage, construction quality defects and the like.
Disclosure of Invention
The utility model discloses an underwater steel hanging box template system suitable for shallow water operation. The utility model aims to provide an easily-recycled combined underwater steel hanging box template system which is particularly suitable for shallow water operation, and is mainly used for solving the problems of complex assembly, uncompacted assembly and improved material recycling rate.
The utility model is realized by the following technical scheme:
The utility model provides a steel hanging box template system under water suitable for shallow water operation, template system is used for the underwater concrete placement after bridge cushion cap pile foundation construction is accomplished, its characterized in that: comprises a bearing system, a suspension system and a steel suspension box template system;
Load-bearing system: the method comprises the steps of pouring an underwater pile cap pile foundation, and reserving a steel platform steel pipe pile and a steel platform lower beam supported by the steel platform pile foundation after the pile cap pile foundation is constructed, wherein the steel platform steel pipe pile and the steel platform lower beam are used for reinforcing a scissor brace of the steel platform steel pipe pile and the steel platform lower beam;
Suspension system: a plurality of parallel upper main beams fixed on the lower beam of the steel platform, wherein each upper main beam is connected with the corresponding lower main beam in a lifting manner through four groups of finish rolling screw steels; a plurality of bottom mould distribution beams are paved on the lower main beam;
steel hanging box template system: the water-stop device comprises a bottom die and side dies, wherein the bottom die is paved and fixed on a bottom die distribution beam, the end face of the side die is fixed on a bottom die steel template through bolts, and a rubber water-stop belt is tightly pressed and filled in a connecting contact joint.
The upper main beam and the lower main beam are both made of double-spliced I-steel, the I-steel is welded and connected by adopting a steel plate, and a finish rolling spiral steel mounting hole is formed; the upper end of the finish rolling spiral steel passes through the upper main beam mounting hole, and the lower end passes through the lower main beam mounting hole and is respectively fixed through double nuts.
And a bottom die compression ring steel plate sleeved on the steel pile casing and tightly pressed and attached to the bottom die steel plate is arranged between the steel pile casing at the upper part of the pile foundation of the bearing platform and the bottom die steel plate.
The surface of the finish rolling screw thread steel which is further positioned at the concrete pouring space part formed by the bottom die and the side die is sleeved with a hard plastic sleeve, the bottom of the hard plastic sleeve is flush with the bottom die, and the top of the hard plastic sleeve is flush with the top of the side die.
The side mould of the steel hanging box template system is formed by assembling a plurality of groups of independent templates through connecting bolts, and rubber water stops are tightly packed between the adjacent assembled templates.
The template system is arranged below the water surface, each unit component is connected with a pull rope, and the other end of each pull rope is connected with a steel pipe pile or an upper main beam of a steel platform tied above the water surface.
According to the underwater steel hanging box template system suitable for shallow water operation, all components are tiled or high-strength bolt connection mode in the assembling process, welding operation is not needed, and underwater cutting operation is effectively avoided. The steel hanging box is characterized in that pull ropes are arranged on components below the water surface of the steel hanging box, one ends of the pull ropes are fixed above the water surface, when the steel hanging box is to be dismantled, a diver dismantles a high-strength bolt of a template underwater, and after the finish rolling spiral steel is dismounted above the water, the underwater components are separated and fall off automatically, so that the steel hanging box is convenient and efficient to dismantle, and the components can be recycled.
Drawings
FIG. 1 is a schematic elevation view of an underwater steel hanging box template system of the present utility model;
FIG. 2 is a schematic view of an above-water assembly elevation of the steel hanging box of the present utility model;
FIG. 3 is a schematic plan view of the installation of the main beam on the steel hanging box of the utility model;
FIG. 4 is a schematic plan view of the installation of the bottom die distribution beam of the lower main beam of the steel hanging box;
FIG. 5 is a schematic plan view of a bottom die and side die splicing of the steel hanging box of the utility model;
FIG. 6 is a schematic view of a bottom die and side die splicing elevation of the steel hanging box of the utility model;
FIG. 7 is a schematic diagram of the assembly of the side mold of the steel hanging box of the utility model;
FIG. 8 is a schematic view of the bottom die of the present utility model in an installed elevation;
FIG. 9 is a schematic plan view of a bottom die press ring steel plate according to the present utility model;
FIG. 10 is a schematic cross-sectional view of the upper main beam of the steel crane box of the present utility model;
FIG. 11 is a schematic view of the upper main beam and lower main beam connecting steel plates of the present utility model;
FIG. 12 is a schematic cross-sectional view of a lower main beam of the steel crane box of the present utility model;
FIG. 13 is a schematic view of the installation of the bottom die distribution beam pull rope of the present utility model.
Reference numerals illustrate: the concrete pile comprises the following components of a 1-steel platform lower cross beam, a 2-steel platform steel pipe pile, a 3-water line, a 4-bottom die steel plate, a 401-bottom die compression ring steel plate, a 402-stay rope, a 403-shackle, a 5-lower main cross beam, a 6-bearing platform pile foundation, a 7-pile foundation steel bar, an 8-hard plastic sleeve, a 9-finish rolling threaded steel double nut, a 901-connecting steel plate, a 902-welding seam, a 903-filling cement slurry, a 904-steel pipe, a 905-sealing plate, a 10-bottom die distribution beam, a 11-finish rolling threaded steel, a 12-side die, a 121-side die large steel die panel, a 122-rubber water stop, 123-high strength bolts, a 124-die small beam, a 125-die main beam, a 13-underwater bottom sealing concrete, a 14-upper main cross beam, a 15-manual hoist, a 16-steel wire rope and a 17-steel pile casing.
Detailed Description
The present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.
As shown in the figure, the steel hanging box template system of the utility model comprises: bearing system, suspension system, template system. The steel hanging box template system in the example is used for pouring construction of the underwater bottom sealing concrete 13.
Load-bearing system: dismantling bridge deck system structures within the influence range of the steel-on-water platform, reserving steel pipe piles, lower cross beams and scissor support structures, and taking the bridge deck system structures as a steel hanging box bearing system.
Suspension system: double I56b I-steel is adopted as an upper main beam 14 and is placed on a lower beam 1 of a steel platform, a lower main beam 5 is arranged at the bottom of a steel hanging box, and the steel hanging box is integrally suspended in water by using finish rolling deformed steel bars 11.
Template system: the bottom mould of the steel hanging box adopts a thin steel plate, and the bottom mould is tiled on the bottom mould distribution beam 10 in a block-by-block manner; the bottom die distribution beam 10 is arranged on the lower main beam 5. The side mould 12 of the steel hanging box adopts a large steel mould, and the top part of the side mould is designed with a water level of more than 50 cm. The side mould 12 of the steel hanging box is simultaneously used as a bearing platform concrete template.
Underwater back cover concrete 13: after the steel hanging box is put in place, pouring underwater back cover concrete 13 by adopting a guide pipe;
The steel hanging boxes are assembled above the water surface, and after the assembly is completed, the whole steel hanging boxes are stably lowered to the designed elevation by the aid of the manual hoist 15.
After the underwater back cover concrete 13 reaches the design strength, water in the steel hanging box is pumped out, and the surface of the underwater back cover concrete 13 is cleaned and leveled, so that the construction of the underwater bearing platform can be carried out.
And after the concrete of the bearing platform reaches the design strength, the steel hanging box can be removed.
The upper main beam 14 and the lower main beam 5 of the steel hanging box are both made of double-spliced I-steel, the I-steel is welded and connected by adopting steel plates, and finish rolling screw steel mounting holes are formed. And the type, specification and installation interval of the I-steel are confirmed according to the stress calculation. In the stress calculation process, the influence of water on the buoyancy of the steel hanging box and the adhesive force of the concrete and the steel casing are fully considered.
The hanging rod of the finish rolling screw steel 11 is connected with the upper main beam 14 and the lower main beam 5 of the steel hanging box, the finish rolling screw steel 11 in the steel hanging box is sleeved with a hard plastic sleeve 8, the bottom of the sleeve is flush with the bottom die steel plate 4, and the top of the sleeve is flush with the top of the side die 12;
The side die 12 of the steel hanging box is assembled, the side die 12 and the bottom die steel plate 4 are assembled by adopting high-strength bolts, and a rubber water stop belt 122 is arranged between the two templates to strengthen the water resistance of the template joint;
Referring to the attached drawings, the application and construction implementation process of the underwater steel hanging box template system is as follows:
1. as shown in fig. 1-3, after pile foundation construction is completed, dismantling the water steel platform bridge deck system in the construction range of the steel hanging box, and reserving the steel platform steel pipe pile 2, the steel platform lower beam 1 and the scissor struts.
2. As shown in fig. 1 to 3, the upper beam 14 is welded as a whole by using a connecting steel plate, and is mounted on the lower beam 1 of the steel platform in sequence.
3. As shown in fig. 1 to 4 and 12, a finish rolling screw steel double nut 9 is fixed below the lower main beam 5, a manual hoist 15 is respectively arranged at the beam end of each lower main beam 5, the manual hoist 15 is fixed at the two ends of the upper main beam 14, the manual hoist 15 is adopted to adjust the lower main beam 5 to a position 50cm above the water level line 3, and the elevation is adjusted to be horizontal.
4. As shown in fig. 1 to 4 and 13, the bottom die distribution beams 10 are tiled on the lower main beam 5 one by one, a pull rope 402 is penetrated at one end of each bottom die distribution beam, and the other end of the pull rope 402 is fixed on the outermost upper main beam 14.
5. As shown in fig. 5, the bottom die steel plates 4 are paved on the bottom die distribution beams 10, pull ropes 402 are penetrated at one end of each bottom die steel plate 4, and the other ends of the pull ropes 402 are fixed on the lower cross beam 1 of the steel platform.
6. As shown in fig. 1 to 2 and 12, the finish rolling deformed steel 11 sequentially passes through the upper main beam 14 and the bottom die steel plate 4 from top to bottom, the finish rolling deformed steel 11 is twisted by a wrench, and the finish rolling deformed steel double nuts 9 pass through the bottom of the lower main beam 5. The steel hanging box inner finish rolling screw thread steel 11 formed by the bottom die steel plate 4 and the side die 12 passes through the hard plastic sleeve 8.
7. As shown in fig. 1 to 5, the side molds 12 are installed, rubber water stops 122 are arranged at joints, the side molds 12 and the bottom mold steel plate 4 are connected by high-strength bolts 123, and the rubber water stops 122 are arranged.
8. As shown in fig. 1-2, the steel hanging box is slowly lowered to a designed height below the water level line 3 by using the manual hoist 15, and when the steel hanging box is lowered, water flows into the steel hanging box from a gap between the bottom die steel plate 4 and the steel protection cylinder 17;
9. After the steel hanging box is lowered into place, as shown in fig. 8, the bottom die press ring steel plate 401 is sleeved from above the steel casing 17 and immersed in the underwater bottom die steel plate 4.
10. As shown in fig. 1, the underwater back cover concrete 13 is poured by a conduit, and the underwater back cover concrete 13 is poured by a backing pump.
11. As shown in fig. 1, after the underwater back cover concrete 13 reaches the design strength, the water in the steel hanging box is pumped by a submersible pump, and after the water is drained, the surface floating slurry is cleaned manually.
12. As shown in fig. 1, the surface elevation of the underwater back cover concrete 13 is checked, and after the redundant part is removed, the underwater bearing platform construction can be performed.
13. After the construction of the underwater bearing platform is completed, as shown in fig. 1, the steel hanging box is removed, the diver removes the side dies 12 at first and then loosens the upper finish rolling threaded steel double nuts 9 with a wrench, and then reversely twists the finish rolling threaded steel 11 with the wrench synchronously to separate the finish rolling threaded steel 11 from the underwater finish rolling threaded steel double nuts 9 between the underwater side dies 12 and between the underwater side dies and the bottom die steel plate 4.
14. As shown in fig. 1, after the finish rolling deformed steel bars 11 are completely drawn out and removed, the underwater components of the steel hanging box are separated and fall off by themselves due to gravity except the bottom die press ring steel plate 401 and the hard plastic sleeve 8.
15. Each underwater component is suspended by a pull rope 402 to shore and used for the next steel hanging box construction. And repeating the steps circularly to finish the construction of the next underwater bearing platform.
Claims (6)
1. The utility model provides a steel hanging box template system under water suitable for shallow water operation, template system is used for the underwater concrete placement after bridge cushion cap pile foundation construction is accomplished, its characterized in that: comprises a bearing system, a suspension system and a steel suspension box template system;
Load-bearing system: the method comprises the steps of pouring an underwater pile cap pile foundation, and reserving a steel platform steel pipe pile and a steel platform lower beam supported by the steel platform pile foundation after the pile cap pile foundation is constructed, wherein the steel platform steel pipe pile and the steel platform lower beam are used for reinforcing a scissor brace of the steel platform steel pipe pile and the steel platform lower beam;
Suspension system: a plurality of parallel upper main beams fixed on the lower beam of the steel platform, wherein each upper main beam is connected with the corresponding lower main beam in a lifting manner through four groups of finish rolling screw steels; a plurality of bottom mould distribution beams are paved on the lower main beam;
steel hanging box template system: the water-stop device comprises a bottom die and side dies, wherein the bottom die is paved and fixed on a bottom die distribution beam, the end face of the side die is fixed on a bottom die steel template through bolts, and a rubber water-stop belt is tightly pressed and filled in a connecting contact joint.
2. The underwater steel hanging box template system suitable for shallow water operation as claimed in claim 1, wherein: the upper main beam and the lower main beam are both made of double-spliced I-steel, the I-steel is welded and connected by adopting a steel plate, and a finish rolling spiral steel mounting hole is formed; the upper end of the finish rolling spiral steel passes through the upper main beam mounting hole, and the lower end passes through the lower main beam mounting hole, and is respectively fixed through double nuts.
3. The underwater steel hanging box template system suitable for shallow water operation as claimed in claim 1, wherein: a bottom die compression ring steel plate sleeved on the steel pile casing and tightly pressed and attached to the bottom die steel plate is arranged between the steel pile casing at the upper part of the pile cap pile foundation and the bottom die steel plate.
4. The underwater steel hanging box template system suitable for shallow water operation as claimed in claim 1, wherein: the surface of the finish rolling screw thread steel positioned at the concrete pouring space part formed by the bottom die and the side die is sleeved with a hard plastic sleeve, the bottom of the hard plastic sleeve is flush with the bottom die, and the top of the hard plastic sleeve is flush with the top of the side die.
5. The underwater steel hanging box template system suitable for shallow water operation as claimed in claim 1, wherein: the side forms of the steel hanging box template system are formed by assembling a plurality of groups of independent templates through connecting bolts, and rubber water stops are tightly packed between adjacent assembled templates.
6. An underwater steel suspension box formwork system adapted for shallow water operations as claimed in any one of claims 1 to 5 wherein: the unit components of the template system arranged below the water surface are connected with pull ropes, and the other ends of the pull ropes are connected with steel pipe piles or upper main beams of the steel platform tied above the water surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322587773.1U CN221052392U (en) | 2023-09-22 | 2023-09-22 | Underwater steel hanging box template system suitable for shallow water operation |
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CN202322587773.1U CN221052392U (en) | 2023-09-22 | 2023-09-22 | Underwater steel hanging box template system suitable for shallow water operation |
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CN202322587773.1U Active CN221052392U (en) | 2023-09-22 | 2023-09-22 | Underwater steel hanging box template system suitable for shallow water operation |
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