高強度鋼筋混凝土柱受高軸壓與反覆側力行為研究

Behavior of High-Strength RC Columns Subjected to High-Axial and Cyclic Lateral Loads

雅尼(Muhammad Yani Bhayusukma)

指導教授 ： 蔡克銓

國立臺灣大學/工學院/土木工程學研究所/博士(2016年)

https://doi.org/10.6342/NTU201603589

摘要

無資料

關鍵字

高強度混凝土 ； 高降服強度鋼 ； 高軸向載荷 ； 鋼筋混凝土柱 ； 循環荷載 ； 延展性

並列摘要

This experimental investigation was conducted to examine the behavior and response of high-strength material (HSM) reinforced concrete (RC) columns under combined high-axial and cyclic-increasing lateral loads. All the columns use high-strength concrete (f_c^' =100 MPa) and high-yield strength steel (f_y=685 MPa and f_y=785 MPa) for both longitudinal and transverse reinforcements. A total of four full-scale HSM columns with amount of transverse reinforcement equal to 100% more than that required by earthquake resistant design provisions of ACI-318 (computed using the actual stress without any limitation) were tested. The key differences among those four columns are the spacing and configuration of transverse reinforcements. Two different constant axial loads, i.e. 60% and 30% of column axial load capacity, were combined with cyclic lateral loads to impose reversed curvatures in the columns.
Test results show that columns under 30% of axial load capacity behaved much more ductile and had higher lateral deformational capacity compared to columns under the 60% of axial load capacity. The columns using type A of transverse reinforcement configuration had slightly higher deformational capacity and ductility than columns using type B of transverse reinforcement.

並列關鍵字

high-strength concrete ； high-yield strength steel ； high-axial load ； RC column ； cyclic loads ； ductility

參考文獻

1. ACI Committee 318 (2008), Building Code Requirements for Structural Concrete (ACI 318-08) and Commentary, American Concrete Institute, Farmington Hills, MI, USA, 473 pp.

2. ACI Committee 318 (2014), Building Code Requirements for Structural Concrete (ACI 318-14) and Commentary, American Concrete Institute, Farmington Hills, MI, USA, 519 pp.

8. Ahn, J.M., and Shin, S.W., “An Evaluation of Ductility of High-Strength Reinforced Concrete Columns subjected to Reversed Cyclic Loads under Axial Compression”, Magazine of Concrete Research, Vol. 59, No. 1, February 2007, pp. 29-44.

11. Bae, S., and Bayrak, O., “Seismic Performance of Full-Scale Reinforced Concrete Columns,” ACI Structural Journal, Vol. 105, No. 2, March-April 2008, pp. 123-133.

12. Bae, S., and Bayrak, O., “Stress Block Parameters for High-Strength Concrete Members,” ACI Structural Journal, Vol. 100, No. 5, September-October 2003, pp. 626-636.