But the civil mundane building have structure wear out at the same time, outmoded facilities, poor resident living condition all sorts of questions, thus face the crisis demolished by a large scale.
可是市井建筑同时也存在着结构老化，设施陈旧，居民生活条件低下等种种问题，从而面临被大面积拆毁的危机。
A blasting practice of a composite structure and interlinked large-scale building located at the downtown district is introduced.
介绍位于繁华市区，多种结构混合连成一体的大型建筑物的爆破实例。
When the pulsating load, such as water wind and earthquake, ACTS on a large-scale structure or building, vibration will be induced.
水流、风、地震等脉动荷载作用在大型结构或建筑物时，经常会诱发结构振动。
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