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循环荷载作用下的钢筋混凝土桁架模型.pdf
Journal of Earthquake Engineering , 11:215–230, 2007
Copyright © A.S. Elnashai N.N. Ambraseys
ISSN: 1363-2469 print / 1559-808X online
DOI: 10.1080/13632460701221553
UEQEJournal of Earthquake Engineering, Vol. 11, No. 2, February 2007: pp. 1–25Journal of Earthquake Engineering1363808X
7 Modeling of Reinforced Concrete Sub-frame Under
0
0
2
h Cyclic Load Reversals
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7 Modeling of Reinforced Concrete Sub-frameJ. H. Khoo and B. Li
2 JYH HAO KHOO
6
2
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0 Utraco Structural Systems Pte Ltd, Singapore
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t
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g
n BING LI
i
B
,
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L School of Civil and Environmental Engineering, Nanyang Technological
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y University, Singapore
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e
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a
o A study of the strength and deformat ion characteristics of reinforced concrete structure under cyclic
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n load reversals by means of a computational model is presented in this article. A beam-column sub-
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o frame tested under revers ed cyclic loading at NTU, Singapore was modeled and analyzed using
D
strut-and-tie method to capture its cyclic hysteretic responses and to explore the possible force flows
from beam and column to the joint core. The m odel was developed based on crack patterns observed
on the tested concrete specimen, and was analyzed using DRAIN-2DX. The modeling p
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