结果表明：连续梁在中支座处虽然滑移为零，但滑移应变不为零；
Results show that the slip displacement of the continuous beam on the middle support is equal to zero, but the slip strain is not.
通过各种模型试验，对沥青混凝土面板在滑移过程中产生的应力和应变进行了研究。
Model tests are made to check the stress and strain of asphalt concrete facing during sliding.
当荷载被移走时，应变的弹性部分恢复，但塑性应变部分(滑移和徐变)却会永久呆留。
When the load is removed, the elastic portion of the strain is recovered, but the plastic part (slip and creep) remains as permanent set.
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