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Structure for connecting steel pipe sheet piles, and steel pipe sheet pile structure

A structure and sheet pile technology, applied in sheet pile walls, foundation structure engineering, construction, etc., can solve problems such as unstable quality, achieve simple structure, prevent water pollution, and excellent connection operability

Inactive Publication Date: 2012-11-28
NIPPON STEEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the conventional P-P type joint, it is necessary to clean the narrow space and fill it with mortar, so its quality may become unstable

Method used

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  • Structure for connecting steel pipe sheet piles, and steel pipe sheet pile structure
  • Structure for connecting steel pipe sheet piles, and steel pipe sheet pile structure
  • Structure for connecting steel pipe sheet piles, and steel pipe sheet pile structure

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0049] Hereinafter, structures according to embodiments of the present invention will be described. Figure 1A , Figure 1B A structure 1 showing one embodiment of the present invention is shown. Figure 1A is the elevation of structure 1, Figure 1B is a plan view of the structure 1 .

[0050] The structure 1 mainly includes a plurality of steel pipe sheet piles 3 installed on the water bottom 5, a bottom plate 7, and the like. The steel pipe sheet pile 3 constituting the structure 1, for example Figure 1B A plurality of them are arranged circularly as shown. Joining of the steel pipe sheet piles 3 is performed by the joint 13 provided in the steel pipe sheet pile 3 side. Since the joint 13 has watertightness, water in the range surrounded by the plurality of steel pipe sheet piles 3 can be discharged.

[0051] A base plate 7 is provided below the interior surrounded by the steel pipe sheet pile 3 . The bottom plate 7 is made of concrete, for example.

[0052] In addit...

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Abstract

The invention provides a structure for connecting steel pipe sheet piles which is provided with: a pair of first L-shaped members which are joined, both facing inwards, to the side of a first steel pipe sheet pile; and a pair of second L-shaped members which are provided opposite the first L-shaped members and joined, both facing outwards, to the side of a second steel pipe sheet pile adjacent to the first steel pipe sheet pile. The pair of second L-shaped members is positioned inside of the pair of first L-shaped members, and concrete containing aggregate is placed in the space enclosed by the pair of first L-shaped members and the pair of second L-shaped members. The gap between the tip ends of the first L-shaped members and the second L-shaped members is smaller than the aggregate grain size, and the gap between the tip ends of the second L-shaped members and the first L-shaped members is at least twice the aggregate grain size.

Description

technical field [0001] This invention relates to the connection structure of the steel pipe sheet pile for connecting steel pipe sheet piles mutually, and the structure using the connection structure of this steel pipe sheet pile. [0002] This application claims priority based on Japanese Patent Application No. 2009-146271 for which it applied in Japan on June 19, 2009, and uses the content here. Background technique [0003] Conventionally, steel pipe sheet pile foundations and the like are constructed by connecting a plurality of steel pipe sheet piles. In general, steel pipe sheet piles are connected by so-called P-P type joining in which slit pipes provided on the outer surfaces of adjacent steel pipe sheet piles are joined to each other. [0004] Usually, in the P-P type joint, the space of the pipe to be fitted is washed and filled with plaster. Thereby, mutual connection is made reliable, and shear resistance is ensured. However, in the conventional P-P type joint...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/08E02D5/14E02D19/04
CPCE02D5/04
Inventor 岩村荣世村井健二永岛聪志青柳孝义
Owner NIPPON STEEL CORP
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