The basic principle, installation technology, quality control and static load test result in Rongcheng sea coast district are presented in this paper.
介绍该桩型的基本原理，施工工艺，施工质量控制，及在荣成沿海地区的静载试验结果。
Methods The grouped random sampling rule survey was carried out in a sample population of 8757 who lived in seaside district of Rongcheng city.
方法采用整群随机抽样方法，抽取荣成市沿海地区8757名渔民为调查对象。
Methods The grouped random sampling rule survey was carried out in a sample population of 8757 who lived in seaside district of Rongcheng city.
方法采用整群随机抽样方法，抽取荣成市沿海地区8757名渔民为调查对象。
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