根据弹性理论分别计算桩土压缩量，并考虑在刚性基础条件下桩土位移的协调关系，得到了在刚性基础下柔性桩复合地基有效桩长计算公式。
Secondly, a formula for calculating effective length of flexible pile under stiff foundation is set up based on elastic theory and displacement cooperation relations.
着重讨论速生杨木单板顺纹弹性模量预测模型，模型中考虑到单板的压缩率、单板中含胶量、单板的密度和单板的厚度等影响因素。
The models for predicting elastic modulus along the grain of poplar veneer were built, in which compression ratio, glue content, density, and thickness of veneer were considered.
但利用抽水试验确定的骨架弹性储水率计算垂向压缩量时，则计算值偏大。
The calculation value of vertical compaction will be bigger than its actual value if the skeletal elastic water storage in the subsidence model is obtained from pumping test.
结果表明，随着植物油多元醇加入量增加，泡沫塑料的压缩强度和弯曲模量逐渐减小，弹性模量呈先缓慢上升后下降趋势。
The results showed that compressive strength and bend modulus were decreased and elastic modulus increased, then dropped when vegetable oil polyol was used.
结果表明，随着植物油多元醇加入量增加，泡沫塑料的压缩强度和弯曲模量逐渐减小，弹性模量呈先缓慢上升后下降趋势。
The results showed that compressive strength and bend modulus were decreased and elastic modulus increased, then dropped when vegetable oil polyol was used.
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