目前隧道的减震措施主要有两种，即设置减震层和抗震缝。
At present, there are two shock absorption measures of tunnel, namely shock absorption layer and aseismatic joint.
大跨屋盖结构由于跨度较大，竖向地震作用显著，有必要采取减震控制措施。
The vertical component of earthquake can not be neglected for large-span roof structure and some seismic control technology is necessary.
阐述通过加建天面水池以达到对某旧楼减震的设计方案原理，介绍对该楼房构件加固补强的具体措施。
This paper presents the theory of seismic reduction according to creating a cistern on the top of an old building, and some way of the reinforcement to the structure members.
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