摘要
为对粉喷桩复合地基加固效果进行检验和评价,提出用在岩土工程勘察和地基检测方面应用非常广泛的瑞利波法进行检测。该文详细介绍了瞬态瑞利波法的基本原理及测试过程及用该方法来评价粉喷桩复合地基的加固效果,并建立了剪切波波速和复合地基承载力之间的关系。试验结果表明,波速大小和波速变化的拐点能准确判断粉喷桩的质量和加固深度。瞬态瑞利波法(SASW法)在粉喷桩加固软土地基评价中具有快捷、经济、可靠的优点,并能对地基进行大面积检测。
In order to check and evaluate the strengthening effects of the DJMP composite foundation,the SASW method is put forward here which is widely used in surveying and checking.The principles and the process for checking and evaluating of the method are introduced,and the relationship between the shear wave velocity and the bearing capacity of the foundation is established.The results show that the rational quality and strengthening depth could be detected with the SASW method;the method is speedy,economic and reliable, and could be used for the large-area checking.
出处
《水利与建筑工程学报》
2010年第3期113-116,共4页
Journal of Water Resources and Architectural Engineering
