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首页> 美国政府科技报告 >House Response from Blast-Induced Low Frequency Ground Vibrations and Inspections for Related Interior Cracking.
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House Response from Blast-Induced Low Frequency Ground Vibrations and Inspections for Related Interior Cracking.

机译：爆破引起的低频地面振动的房屋响应和相关内部裂缝的检查。

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This study was initiated in response to concerns expressed by citizen's groups, regulatory authorities and the former Bureau of Mines, the current regulatory guidelines for low frequency ground vibrations were insufficient to protect homes from cracking and damage. The study was originally directed to examine the response of structures to low frequency ground vibrations; defined as frequencies below the structural natural frequency. Early in the investigation, however, researchers found that the occurrence of low frequency ground vibrations with the potential to cause cracking in homes was quite rare. The study was subsequently expanded to include a broader range of frequencies but retained the original focus to measure house response motions from blast vibrations and inspect for vibrations-related cracking.

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