A STIFFENING METHOD FOR IMPROVEMENT OF DUCTILITY ON THE EXISTING CYLINDRICAL STEEL PIERS WITH STIFFENING STEEL PLATE HEAD INVESTIGATOR REGISTERED NUMBER 'NAME INSTITUTION, DEPARTMENT, TITLE OF POSITION
| Project/Area Number |
12650487
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
構造工学・地震工学
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| Research Institution | TOYOTA NATIONAL COLLEGE OF THCHNOLOGY |
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Principal Investigator |
KAZUO Chu TOYOTA NATIONAL COLLEGE OF THCHNOLOGY, CIVIL ENGNEERING, ASSOCIATE PROFESSOR, 環境都市工学科, 助教授 (20141898)
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| Co-Investigator(Kenkyū-buntansha) |
KAWANISHI Naoki TOYOTA NATIONAL COLLEGE OF THCHNOLOGY, CIVIL ENGNEERING,ESEARCH ASSOCIATE, 環境都市工学科, 助手 (60300589)
SAKURAI Takamasa TOYOTA NATIONAL COLLEGE OF THCHNOLOGY,CIVIL ENGNEERING, PROFESSOR, 環境都市工学科, 教授 (80024298)
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| Project Period (FY) |
2000 – 2001
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| Project Status |
Completed (Fiscal Year 2001)
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| Budget Amount *help |
¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2001: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 2000: ¥2,600,000 (Direct Cost: ¥2,600,000)
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| Keywords | BUCKLING / STRENGTH / CYCLIC LOADDIN / STIFFEIG METHOD / DUCTILITY / CYLINDRICAL STEEL PIER |
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| Research Abstract |
A stiffening method of existing cylindrical steel piers is studied by experimental way. Weldcd rectangular steel plates on base zone of the pier were used for the reinforcement. On the Stiffening structures are set using the plates and local buckling points created forcibly on the pier. The part of the pier which yields local buckling is controlled in base zone of it bv_ this Shffening structures and the ductility of the piers are improved with small increase the ultimate strength of it. We have been able to improve the ductility of piers by the Stlffening structur eduction models of existing cyIindrical steel piers (a diameter of 216.3mm, full length 900mm, cylinder thickness 2.5mm or 3.2nun) were used. This study was carried out by expgrimentai method. The result of the study is that the increase of horizontal strength of the pier could be kept less than 12% and the increase of ductility. was improved by 35%.
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Report
(3 results)
Research Products
(9 results)
