COLUMN-TO-BEAM CONNECTION PART INTEGRATION WORK METHOD FOR STRUCTURAL STEELWORK

WIPO Patent Application WO/2003/072885

A1

A column-to-beam connection part integration work method for a structural steelwork capable of solving such problems with a conventional column-to-beam connection part of a construction structural steelwork that, though a block for the column-to-beam connection part is manufactured in combination of steel pipes with diaphragms, various problems occurred such that a structure is complicated, a stress is concentrated, a strain occurs, and a man-hour for production is increased, and though a method to integrate the block with cast steel is planned to improve these problems, a structure is complicated, manufacture is not easy, and application to beams with different sizes is not easy, comprising the steps of forming a welded rectangular parallelepiped (23) into an integral block with rolled steel, forged steel, or cast steel, optimizing the manufacture of the block for each size, and integrally forming a column (5) and a block (23) and a beam (4) and the welded parts (24) and (25) of the block (23), whereby the stress concentration, occurrence of strain, brittleness of heat affected part can be eliminated, and the amount of use material and the man-hour for manufacture can be reduced.

UHIDA MASAYOSHI (JP)
IWAGO SHUNJI (JP)
NAKAGOMI TADAO (JP)

PCT/JP2003/002329

September 04, 2003

February 28, 2003

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UHIDA MASAYOSHI (JP)
IWAGO SHUNJI (JP)
NAKAGOMI TADAO (JP)

B23K9/00; E04B1/24; E04B1/58; (IPC1-7): E04B1/24

JPH03194041A	1991-08-23
JPS61225438A	1986-10-07
JPH11336189A	1999-12-07
JPH07216999A	1995-08-15

Kuribayashi, Mitsuo (Kotobukicho-yoshida Bldg. 3-5-9, kotobuk, Taito-ku Tokyo, JP)

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