填充墙的存在使得该体系的竖向刚度分布较为均匀，其变形和破坏形态有从框架型向剪力墙型转化的趋势；
The filler wall makes vertical stiffness well-distributed, which causes a failure pattern transformation from frame type to reinforced concrete shears …
当发生接触时，表面通常通过接触面传播剪力和法向力。
When surfaces are in contact they usually transmit shear as well as normal forces across their interface.
我们改进后采用分体式剪切盒进行原位土体试验，使剪切面上的应力分布均匀，保证剪力通过剪切缝中心，同时在试验过程中法向及剪向加载时试体稳定性得到了很好的改善。
So a split-type shear box is adopted to conduct the in-situ shear test in order to make the stress on the shear plane uniform and ensure the shear stress to running through the center o.
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