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一、前言随着我国经济建设的发展,港口建设与围海造陆兴建工业等日益发展,对滨海相沉积深厚的淤泥质地基的处理,就成为建设工程中关键的技术问题之一。由于滨海相淤泥质地基的土质极为软弱,故地基处理的技术难度较大而且费用高昂。软基加固常用的方法中如:砂井排水预压法要进行花钱又费时的堆载预压;真空预压法代替堆载只能达到8t/m~2荷载的预压效果;振冲制碎石柱法对太软弱土质的加固效果也有限;近年来已研究了真空预压联合堆载或碎石桩的加固方法,但毕竟是技术烦琐且费用较高;石灰或水
I. INTRODUCTION With the development of China’s economic construction, the development of ports and land reclamation and construction industries have been increasingly developed. The treatment of deep muddy soil foundations with sediments on the sea surface has become one of the key technical issues in construction projects. Due to the extremely weak soil in the coastal muddy foundations, the foundation treatment is technically difficult and costly. The commonly used methods for soft ground reinforcement are as follows: sand well drainage preloading method requires costly and time-consuming overload preloading; vacuum preloading method can replace the preloading effect that can only achieve 8t/m~2 loading; The gravel column method has limited reinforcement effect on too soft soil quality. In recent years, the vacuum preloading method with the reinforcement of piles or gravel piles has been studied. However, it is technically cumbersome and costly; lime or water.