Elongation model of anchored reinforcing bar for ductility estimation of reinforced concrete piers
| Project/Area Number |
16560424
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (C)
|
| Allocation Type | Single-year Grants |
|---|
| Section | 一般 |
|---|
| Research Field |
Structural engineering/Earthquake engineering/Maintenance management engineering
|
|---|
| Research Institution | KOCHI UNIVERSITY OF TECHNOLOGY |
|---|
Principal Investigator |
SHIMA Hiroshi KOCHI UNIVERSITY OF TECHNOLOGY, Faculty of Engineering, Professor, 工学部, 教授 (00196461)
|
|---|
| Project Period (FY) |
2004 – 2005
|
| Project Status |
Completed (Fiscal Year 2005)
|
| Budget Amount *help |
¥3,100,000 (Direct Cost: ¥3,100,000)
Fiscal Year 2005: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 2004: ¥2,200,000 (Direct Cost: ¥2,200,000)
|
|---|
| Keywords | Reinforced concrete / Bond / Elongation / Ductility / Seismic design / Anchored bar |
|---|
| Research Abstract |
Research objective is to conduct the pilot test on push-pull displacement measurement from footing for reinforced concrete column under reversed cyclic lateral loading with high axial load.
There are totally three specimens in this experiment, which subjected to different axial load level. The largest axial load for specimen was decided as fully capacity 1000kN. The other two specimens were subjected to axial load 0 and 500kN.
The push-pull displacements of anchored bar from footing measuring by displacement transducer seem unreliable data comparing the one calculated from strain profile in footing. The problem may come from the resistance between head of displacement transducer and piano wire. Another cause of problem may come from insufficient rigidity of piano wire due to too small diameter.
This research conducted the pilot experiment to measure push-pull displacement from footing for reinforced concrete column under reversed cyclic loading and constant axial load. The author attempted to establish the measurement method. From the experimental results, the following conclusion can be obtained,
The measurement push-pull displacement from footing by displacement transducers were succeeded in some position. It implied the feasibility of measurement method. The modification and improvement are on the way for next experiment series.
|
Report
(3 results)
Research Products
(3 results)
