过去常把盐岩作为弹性体或弹塑性体考虑，而没有考虑其时间效应。
In the past, salt formation is often regarded as an elastic or elastic-plastic body, and the effect of time is not taken into account.
研究结果表明火灾中钢构件内力分析时，可把构件视为理想的弹塑性体；
The results show that steel structure member can be regarded as ideal elastic-plasticity body when analyzing its internal force in fire.
本文以槽钢为主要研究对象，假定材料为理想弹塑性体，在ANSYS中建立其有限元模型。
The main study object of the paper is channel steel whose finite element models are founded in ANSYS the material is assumed as elastic-plastic body.
应用弹塑性介质的本构理论，视岩体为弹塑性体，得到隧道开挖引起的地层应力变化计算公式、计算程序。
In the application of elastoplastic medium theory, the rock and soil are assumed to be elastoplastic medium, and the stress change due to tunnel excavation can be calculated, too.
对两端固定的工字钢短柱的温度应力进行试验研究，给出的温度应力估算公式与试验结果符合性较好。研究结果表明火灾中钢构件内力分析时，可把构件视为理想的弹塑性体；
The temperature stress of I-profile short axially-restricted column is studied, a regression formula of temperature stress is proposed, and it agrees well with the experimental results.
最后，根据三轴流变试验结果，将连云港软土作为弹-粘塑性体来研究。
Finally, according to the results of triaxial rheological test, Lianyungang soft clay can be investigated as an elastic-viscoplasticity.
最后，根据三轴流变试验结果，将连云港软土作为弹-粘塑性体来研究。
Finally, according to the results of triaxial rheological test, Lianyungang soft clay can be investigated as an elastic-viscoplasticity.
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