本文着重介绍准连续T型梁桥支座替换工程施工技术，并分析支座病害原因。

This paper explained the construction technology of the bearing replacement for quasi-continuous T-girder bridge and analyzed the causes of bearing disease.

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对典型结构钢的双悬臂梁试件的中低速韧性撕裂的实验进行了准静态模拟。

A quasi static approach is presented for ductile tearing test of double cantilever beam specimen by using the model of elastic beam on elaso plastic foundation.

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