CN209760300U - Steel shell pre-member of double-steel shell concrete immersed tube tunnel - Google Patents
Steel shell pre-member of double-steel shell concrete immersed tube tunnel Download PDFInfo
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- CN209760300U CN209760300U CN201920033074.3U CN201920033074U CN209760300U CN 209760300 U CN209760300 U CN 209760300U CN 201920033074 U CN201920033074 U CN 201920033074U CN 209760300 U CN209760300 U CN 209760300U
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Abstract
A steel shell pre-component of a double-steel shell concrete immersed tube tunnel comprises an upper steel plate and a lower steel plate which are arranged up and down, wherein two longitudinal shear resisting plates and two transverse shear resisting plates are fixedly arranged between the upper steel plate and the lower steel plate, and a sealed cavity is formed between the two longitudinal shear resisting plates, the two transverse shear resisting plates, the upper steel plate and the lower steel plate; the upper steel plate or the lower steel plate is provided with a concrete pouring hole and an exhaust hole at the position corresponding to the cavity; the inner sides of the upper steel plate and the lower steel plate are provided with a longitudinal shear connecting piece and a transverse shear connecting piece in the area outside the sealed cavity; self-compacting concrete is poured in the sealed cavity through the concrete pouring hole. The utility model discloses can be prefabricated in the batch production, and need not to use special machinery to process to reduce equipment and drop into, reduce the site operation work load simultaneously, make construction convenience swift.
Description
Technical Field
The utility model relates to a prefabricated component technical field, concretely relates to steel-shelled components in advance in two steel-shelled concrete immersed tube tunnels.
Background
The foreign double-steel-shell concrete combined structure is applied to the immersed tube tunnel, the immersed tube tunnel with the structure is most successfully applied in Japan, and four immersed tube tunnels with the combined structure are successively built; the first application of the domestic double-steel-shell concrete combined structure immersed tube tunnel is to carry out final joint of a Hongzhu Aao bridge, wherein the final joint is about 15m long and needs to be closed and butted with immersed tube tunnel structures at two ends under water, and the water depth is close to 30 m; due to the fact that the structure scale is relatively small, the design and construction use for reference of the experience structure of the sinking pipe project built in Japan and corresponding test verification. The submarine tunnel in the deep-medium channel adopts a steel shell immersed tube tunnel scheme for the first time in China, the immersed tube tunnel adopts an 8-lane highway standard, the total width of the immersed tube tunnel is 46-55.5m, the single-hole span of a traffic lane reaches 18.3-24.0m, and the width and the span of the immersed tube tunnel are the best in the world; therefore, the application prospect of the double-steel shell concrete immersed tube tunnel in China is huge, but the traditional double-steel shell concrete composite structure has some problems in design: the longitudinal steel partition plate and the transverse steel partition plate are connected with the upper layer steel plate and the lower layer steel plate and need to be welded, the welding quality is difficult to control, cracks are easy to generate in the bending resistance and the shearing resistance of welding seams, the space of an internal compartment is narrow and small during welding, and the welding is very inconvenient.
Therefore, the steel shell prefabricated part of the double-steel shell concrete immersed tube tunnel has important significance, and from the viewpoints of labor resource saving, environment protection, structural durability and the like, the steel shell prefabricated part of the double-steel shell concrete immersed tube tunnel is an important direction for the assembly development of the future double-steel shell concrete immersed tube tunnel.
SUMMERY OF THE UTILITY MODEL
the utility model aims to overcome prior art's shortcoming and not enough, provide a two box hat concrete immersed tube tunnel's box hat is component in advance, its bending resistance mechanical properties that shears is good and application scope is wide, and makes things convenient for processing, is favorable to improving two box hat concrete immersed tube tunnel's welding quality and efficiency of construction.
In order to achieve the above object, the utility model adopts the following technical scheme:
A steel shell pre-component of a double-steel shell concrete immersed tube tunnel comprises an upper steel plate and a lower steel plate which are arranged up and down, wherein two longitudinal shear resisting plates and two transverse shear resisting plates are fixedly arranged between the upper steel plate and the lower steel plate, and a sealed cavity is formed between the two longitudinal shear resisting plates, the two transverse shear resisting plates, the upper steel plate and the lower steel plate; the upper steel plate or the lower steel plate is provided with a concrete pouring hole and an exhaust hole at the position corresponding to the cavity; the inner sides of the upper steel plate and the lower steel plate are provided with a longitudinal shear connecting piece and a transverse shear connecting piece in the area outside the sealed cavity; self-compacting concrete is poured in the sealed cavity through the concrete pouring hole.
According to the above, the utility model discloses a concrete placement hole of going up the steel sheet or lower steel sheet is to inside sealed cavity pouring self-compaction concrete, treats that the self-compaction concrete intensity of pouring reaches the designing requirement, seals the concrete placement hole through the welding to obtain the box hat prefabricate the component, as long as can assemble into two box hat concrete immersed tube tunnels with the box hat prefabricate the component transportation on the spot, the on-the-spot welding work load that has significantly reduced.
The utility model can be prefabricated in factory without using special machinery for processing, thereby reducing the equipment investment, reducing the workload of site construction and leading the construction to be convenient and rapid; the concrete immersed tube tunnel has good bending resistance and shearing resistance mechanical property and wide application range, is convenient to manufacture and process, and is beneficial to improving the welding quality and the construction efficiency of the double-steel-shell concrete immersed tube tunnel.
As an improvement of the utility model, the longitudinal shear connector is T-shaped steel.
Further, the quantity of T shaped steel is a plurality of, and a plurality of T shaped steel is equidistant to be arranged, and the distance between two adjacent T shaped steel is not less than 120 mm.
Furthermore, the thickness of the upper steel plate and the lower steel plate is 20-40mm, and the thickness of the wing plate and the web plate of the T-shaped steel is 6-10 mm.
As an improvement of the utility model, the transverse shear connector is an L-shaped stiffening rib.
Furthermore, the number of the L-shaped stiffening ribs is a plurality, the L-shaped stiffening ribs are arranged at equal intervals, and the distance between every two adjacent L-shaped stiffening ribs is not less than 120 mm.
As an improvement of the utility model, vertical anti-shear plate passes through L type angle steel and last steel sheet and lower steel sheet, and the riser of L type angle steel passes through bolt and nut and vertical anti-shear plate fixed connection, and the riser of L type angle steel passes through welding mode and last steel sheet and lower steel sheet fixed connection.
As an improvement of the utility model, horizontal anti-shear plate passes through L type angle steel and last steel sheet and lower steel sheet, and the riser of L type angle steel passes through bolt and nut and horizontal anti-shear plate fixed connection, and the riser of L type angle steel passes through welding mode and last steel sheet and lower steel sheet fixed connection.
Furthermore, the number of the exhaust holes is 4, and the 4 exhaust holes are uniformly distributed around the concrete pouring hole.
Furthermore, the concrete pouring hole is formed in the center of the upper steel plate or the center of the lower steel plate, the diameter of the concrete pouring hole is not smaller than 200mm, and the diameter of the exhaust hole is 80-120 mm.
Compared with the prior art, the utility model has the advantages of it is following:
The utility model can be prefabricated in factory without using special machinery for processing, thereby reducing the equipment investment, reducing the workload of site construction and leading the construction to be convenient and rapid;
The concrete immersed tube tunnel has good bending resistance and shearing resistance mechanical property and wide application range, is convenient to manufacture and process, and is beneficial to improving the welding quality and the construction efficiency of the double-steel-shell concrete immersed tube tunnel.
Drawings
Fig. 1 is the schematic diagram of the steel shell prefabricated member of the double steel shell concrete immersed tube tunnel of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be further described and explained below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
Referring to fig. 1, a steel shell prefabricated part of a double-steel shell concrete immersed tube tunnel comprises an upper steel plate 10 and a lower steel plate 20 which are arranged up and down, two longitudinal shear plates 30 and two transverse shear plates 40 are fixedly arranged between the upper steel plate 10 and the lower steel plate 20, and a sealed cavity is formed between the two longitudinal shear plates 30, the two transverse shear plates 40, the upper steel plate 10 and the lower steel plate 20; the upper steel plate 40 is provided with a concrete pouring hole 11 and an exhaust hole 12 at the position corresponding to the cavity; the inner sides of the upper steel plate 10 and the lower steel plate 20 are provided with a longitudinal shear connector 50 and a transverse shear connector 60 in the area outside the sealed cavity; self-compacting concrete is poured into the sealed cavity through the concrete pouring hole 11.
According to the above, the utility model discloses a concrete placement hole of going up the steel sheet or lower steel sheet is to inside sealed cavity pouring self-compaction concrete, treats that the self-compaction concrete intensity of pouring reaches the designing requirement, seals the concrete placement hole through the welding to obtain the box hat prefabricate the component, as long as can assemble into two box hat concrete immersed tube tunnels with the box hat prefabricate the component transportation on the spot, the on-the-spot welding work load that has significantly reduced. The utility model can be prefabricated in factory without using special machinery for processing, thereby reducing the equipment investment, reducing the workload of site construction and leading the construction to be convenient and rapid; the concrete immersed tube tunnel has good bending resistance and shearing resistance mechanical property and wide application range, is convenient to manufacture and process, and is beneficial to improving the welding quality and the construction efficiency of the double-steel-shell concrete immersed tube tunnel.
In this embodiment, the longitudinal shear connector 50 is a plurality of T-shaped steels, the T-shaped steels are arranged at equal intervals, and the distance between two adjacent T-shaped steels is not less than 120 mm. The thickness of the upper steel plate and the lower steel plate is 20-40mm, and the thickness of the wing plate and the web plate of the T-shaped steel is 6-10 mm.
In this embodiment, the transverse shear connector 60 is an L-shaped stiffener, the number of the L-shaped stiffeners is several, several L-shaped stiffeners are arranged at equal intervals, and the distance between two adjacent L-shaped stiffeners is not less than 120 mm.
In this embodiment, the longitudinal shear resisting plate 30 is fixedly connected with the upper steel plate 10 and the lower steel plate 20 through L-shaped angle steel 70, a vertical plate of the L-shaped angle steel 70 is fixedly connected with the longitudinal shear resisting plate 30 through bolts and nuts, and a vertical plate of the L-shaped angle steel 70 is fixedly connected with the upper steel plate 10 and the lower steel plate 20 through a welding manner.
In this embodiment, the transverse shear resisting plate 40 is fixedly connected with the upper steel plate 10 and the lower steel plate 20 through L-shaped angle steel 80, a vertical plate of the L-shaped angle steel 80 is fixedly connected with the transverse shear resisting plate 40 through bolts and nuts, and a vertical plate of the L-shaped angle steel 40 is fixedly connected with the upper steel plate 10 and the lower steel plate 20 through a welding mode.
In this embodiment, the number of the exhaust holes 12 is 4, and the 4 exhaust holes 12 are uniformly distributed around the concrete pouring hole 11. The concrete pouring hole 11 is arranged in the center of the upper steel plate 10, the diameter of the concrete pouring hole 11 is not less than 200mm, and the diameter of the exhaust hole 12 is 80-120 mm. 4 exhaust holes are uniformly distributed, so that the exhaust uniformity in the concrete pouring process can be effectively improved.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The utility model provides a steel-shelled prefabricated component in two steel-shelled concrete immersed tube tunnels which characterized in that: the anti-shearing device comprises an upper steel plate and a lower steel plate which are arranged up and down, wherein two longitudinal anti-shearing plates and two transverse anti-shearing plates are fixedly arranged between the upper steel plate and the lower steel plate, and a sealed cavity is formed between the two longitudinal anti-shearing plates, the two transverse anti-shearing plates, the upper steel plate and the lower steel plate; the upper steel plate or the lower steel plate is provided with a concrete pouring hole and an exhaust hole at the position corresponding to the cavity; the inner sides of the upper steel plate and the lower steel plate are provided with a longitudinal shear connecting piece and a transverse shear connecting piece in the area outside the sealed cavity; self-compacting concrete is poured in the sealed cavity through the concrete pouring hole.
2. The steel-shelled pre-construction member of the double steel-shelled concrete immersed tunnel according to claim 1, characterized in that: the longitudinal shear connector is T-shaped steel.
3. The steel-shelled pre-construction member of the double steel-shelled concrete immersed tunnel according to claim 2, characterized in that: the quantity of T shaped steel is a plurality of, and a plurality of T shaped steel is equidistant to be arranged, and the distance between two adjacent T shaped steel is not less than 120 mm.
4. the steel-shelled pre-construction member of the double steel-shelled concrete immersed tunnel according to claim 2, characterized in that: the thickness of the upper steel plate and the lower steel plate is 20-40mm, and the thickness of the wing plate and the web plate of the T-shaped steel is 6-10 mm.
5. The steel-shelled pre-construction member of the double steel-shelled concrete immersed tunnel according to claim 1, characterized in that: the transverse shear connecting piece is an L-shaped stiffening rib.
6. The steel-shelled pre-construction member of the double steel-shelled concrete immersed tunnel according to claim 5, characterized in that: the number of the L-shaped stiffening ribs is a plurality, the L-shaped stiffening ribs are arranged at equal intervals, and the distance between every two adjacent L-shaped stiffening ribs is not less than 120 mm.
7. The steel-shelled pre-construction member of the double steel-shelled concrete immersed tunnel according to claim 1, characterized in that: the longitudinal shear resisting plate is fixedly connected with the upper steel plate and the lower steel plate through L-shaped angle steel, a vertical plate of the L-shaped angle steel is fixedly connected with the longitudinal shear resisting plate through bolts and nuts, and the vertical plate of the L-shaped angle steel is fixedly connected with the upper steel plate and the lower steel plate through a welding mode.
8. The steel-shelled pre-construction member of the double steel-shelled concrete immersed tunnel according to claim 1, characterized in that: the transverse shear resisting plate is fixedly connected with the upper steel plate and the lower steel plate through L-shaped angle steel, a vertical plate of the L-shaped angle steel is fixedly connected with the transverse shear resisting plate through bolts and nuts, and the vertical plate of the L-shaped angle steel is fixedly connected with the upper steel plate and the lower steel plate through a welding mode.
9. The steel-shelled pre-construction member of the double steel-shelled concrete immersed tunnel according to claim 1, characterized in that: the exhaust hole quantity is 4, and 4 exhaust holes evenly distributed are around concrete placement hole.
10. The steel-shelled pre-construction member of the double steel-shelled concrete immersed tunnel according to claim 9, characterized in that: the concrete pouring hole is formed in the center of the upper steel plate or the center of the lower steel plate, the diameter of the concrete pouring hole is not smaller than 200mm, and the diameter of the exhaust hole is 80-120 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033074.3U CN209760300U (en) | 2019-01-08 | 2019-01-08 | Steel shell pre-member of double-steel shell concrete immersed tube tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033074.3U CN209760300U (en) | 2019-01-08 | 2019-01-08 | Steel shell pre-member of double-steel shell concrete immersed tube tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209760300U true CN209760300U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920033074.3U Expired - Fee Related CN209760300U (en) | 2019-01-08 | 2019-01-08 | Steel shell pre-member of double-steel shell concrete immersed tube tunnel |
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| CN (1) | CN209760300U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779029A (en) * | 2020-07-20 | 2020-10-16 | 同济大学 | Steel shell-concrete composite structure |
| CN112064680A (en) * | 2020-08-31 | 2020-12-11 | 广船国际有限公司 | Manufacturing method of immersed tunnel steel shell pipe joint and immersed tunnel steel shell pipe joint |
| WO2024051284A1 (en) * | 2022-09-09 | 2024-03-14 | 中交公路规划设计院有限公司 | Tube joint steel plate concrete combined structure for immersed tube tunnel, and method for manufacturing tube joint steel plate concrete combined structure |
-
2019
- 2019-01-08 CN CN201920033074.3U patent/CN209760300U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779029A (en) * | 2020-07-20 | 2020-10-16 | 同济大学 | Steel shell-concrete composite structure |
| CN112064680A (en) * | 2020-08-31 | 2020-12-11 | 广船国际有限公司 | Manufacturing method of immersed tunnel steel shell pipe joint and immersed tunnel steel shell pipe joint |
| WO2024051284A1 (en) * | 2022-09-09 | 2024-03-14 | 中交公路规划设计院有限公司 | Tube joint steel plate concrete combined structure for immersed tube tunnel, and method for manufacturing tube joint steel plate concrete combined structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20210108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |