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RATE EFFECTS IN LATERAL COMPRESSION, FOR AN ENERGY-ABSORBING UNIT OF CROSSED LAYERS OF WOODEN BARS.
被引:0
|作者:
Gupta, N.K.
[1
]
Johnson, W.
[1
]
机构:
[1] Indian Inst of Technology, Dep of, Applied Mechanics, New Delhi, India, Indian Inst of Technology, Dep of Applied Mechanics, New Delhi, India
关键词:
MATERIALS TESTING - Impact - STRESSES - Velocity Measurement;
D O I:
10.1016/0734-743X(85)90030-2
中图分类号:
学科分类号:
摘要:
Experimental results concerning the rate of loading of orthogonally crossed layers of wooden bars subject to lateral compression by flat platens in an Instron machine, and by low velocity impact in a drop hammer, are presented. The behavior of a two crossed bar basic unit is described, and the influence of rate of testing and moisture content of the wood on its load-compression characteristic is discussed. Based on experimental results for three common woods, kail, deodar and teak, an attempt is made to develop a relationship between the response of a two crossed bar system and that of multi-layer crossed bar systems.
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页码:121 / 136
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