收稿日期: 2015-04-01
网络出版日期: 2016-10-31
基金资助
上海市科技型中小企业技术创新基金资助项目(1305H165500)
Surrounding environment impacts caused by high-frequency vibration pile-driving
Received date: 2015-04-01
Online published: 2016-10-31
张智梅1, 黄海涛1, 张继红2 . 高频振动沉桩施工对周边环境的影响[J]. 上海大学学报(自然科学版), 2016 , 22(5) : 680 -690 . DOI: 10.3969/j.issn.1007-2861.2015.02.001
Considering a vibrating pile hammer, a pile and the soil conditions, the mechanism of influences of high frequency vibration pile construction on surrounding environment were analyzed. A three-dimensional finite element model of vibratory piling was established to reproduce the pile-driving process. Having confirmed validity of the model, variable parameters were investigated. The study showed that influences on the surrounding environment decrease with the frequency of pile hammer, and increase with static load of pile hammer and pile diameter. A sandy soil field was more easily affected by vibratory pile driving as compared to a clay soil field. Moreover, the harder the soil, the more serious environmental impact would be. To reduce the effects of pile construction, measures should be taken based on the analysis.
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