The tower in Westminster is sinking into the banks of the Thames, partly as a result of decades of underground excavation.
位于威斯敏斯特区的钟楼正陷入泰晤士河的河岸里，部分是因为长期的地下挖掘施工造成的。
Currently, the clock tower is sinking more quickly on the north side of the 315ft-tall building.
315英尺高的保得利大厦北侧的钟楼目前下陷得更快。
Blasting parameters of demolishing a brick water tower by controlled blasting and measurements to control backward sinking are introduced.
介绍了对一砖砌水塔进行无后坐拆除爆破时爆破参数的选取，以及控制后坐的措施。
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