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1. 发明专利

JPH1136455A CORNER JOINT OF REINFORCED CONCRETE STRUCTURE OR STEEL FRAMED REINFORCED CONCRETE STRUCTURE WITH CONCRETE FILLED STEEL FRAME STRUCTURE AND METHOD FOR JOINING THEM 失效
公开(公告)号：JPH1136455A
公开(公告)日：1999-02-09
申请号：JP19282697
申请日：1997-07-17
申请人： NIPPON STEEL CORP , RAILWAY TECHNICAL RES INST , HIGASHI NIPPON RYOKAKU TETSUDO
发明人： KINOSHITA MASATAKA , KATSURA TAKUZO , MURATA KIYOMITSU , YASUHARA MASATO , TAKANO HIDEAKI , SAITO TAKASHI
IPC分类号： E04B1/58
摘要： PROBLEM TO BE SOLVED: To provide a corner joint, which simplifies reinforcing work as it reduces the number of joining reinforcements in a concrete filled steel pipe structure, and a joining method using the same. SOLUTION: A corner joint, in which joining reinforcements 5 extending from a first- and a second-side main reinforcements are arranged within a reinforced concrete structure or steel framed reinforced concrete structure 1 and within the column steel pipe 4 of a concrete filled steel pipe structure 2, has at least one steel 6 disposed from the main reinforcement position on the first side of the concrete structure 1 up to a position inside the column steel pipe 4 which corresponds to the diameter of the steel pipe. The joining reinforcements are secured to the steel with concrete inside the column steel pipe, and the corner joint is constructed of the column steel pipe and the concrete structure.

2. 发明专利

JPH1113139A CORNER ANGLE JOINT BETWEEN REINFORCED BAR OR STEEL FRAMED REINFORCED CONCRETE STRUCTURE AND VARIOUS COLUMNAR STRUCTURE, AND JOINING METHOD THEREFOR 失效
公开(公告)号：JPH1113139A
公开(公告)日：1999-01-19
申请号：JP17072097
申请日：1997-06-26
申请人： NIPPON STEEL CORP , HIGASHI NIPPON RYOKAKU TETSUDO
发明人： KINOSHITA MASATAKA , KATSURA TAKUZO , TAKANO HIDEAKI , SAITO TAKASHI
IPC分类号： E04B1/16 , E04B1/30 , E04B1/38 , E04B1/58
摘要： PROBLEM TO BE SOLVED: To provide a corner angle joint structure and a joining method to simplify a work to arrange a reinforcing bar or a steel framed reinforced concrete structure and a columnar structure and provide a sufficient bearing and rigidity. SOLUTION: In a corner angle joint between a reinforced bar or a steel framed reinforced concrete structure 1 and a columnar structure, the columnar structure is a concrete-filled steel pipe 2-1, and an outer steel pipe 4 having diameter larger than the diameter of the concrete-filled steel pipe 2-1 and length at least approximately equal to the diameter is arranged at the periphery of a corner angle joint between the concrete-filled steel pipe 2-1 and the columnar structure. A reinforcing bar 5 for joining extending from a main reinforcing bar 3-1 on the first side and a main reinforcing bar 3-2 on the second side of the concrete structure 1 and is arranged to a position equivalent to the length of an outer steel pipe. A gap between the concrete-filled steel pipe 2-1 and the outer steel pipe is filled with concrete to fix the concrete-filled steel pipe 2-1, the outer steel pipe, and the reinforcing bar 5 for joining to form a corner angle joint between a concrete structure 1 and the concrete filled steel pipe 2-1.

3. 发明专利

JPH09328759A JOIN METHOD OF COLUMN AND PILE 失效
公开(公告)号：JPH09328759A
公开(公告)日：1997-12-22
申请号：JP15084296
申请日：1996-06-12
申请人： HIGASHI NIPPON RYOKAKU TETSUDO
发明人： TAKANO HIDEAKI , SAITO TAKASHI
IPC分类号： E02D5/34 , E02D27/00 , E02D27/12
摘要： PROBLEM TO BE SOLVED: To shorten construction term, reduce cost, and prevent the occurrence of an environmental problem by wrapping a join part consisting of reinforcing concrete, steel framed reinforcing concrete, and steel by a steel pipe and integrating reinforcing bar or steel material with the steel pipe by concrete. SOLUTION: In a join part of reinforcing concrete(RC), a pile 2 is constructed by building a main reinforcing bar 4 and a belt reinforcing bar 5 and placing concrete 3, then overlapping joint of reinforcing bar of the pile 2 and reinforcing bar of a column 1 is performed, and a steel pipe 6 is wound around the join part to place concrete and integrate and join them. Since the join part is reinforced by the binding effect of the steel pipe, it is unnecessary to provide footing and anchor frame, and they can be joined easily. Moreover, when the construction method is applied to a cast-in place pile, its strength is kept even if a slime containing part is left because it is reinforced by the binding effect of the steel pipe by winding and joining the steel pipe around a slime containing part of a pile head part, and it is possible to correspond to the required strength sufficiently even if pile head treatment is omitted.

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