随着我国城市化进程的不断加快,用地矛盾日益凸显,加上技术上的更新,所以在城市中高层建筑比例的增大,对建筑基础的要求也愈来愈大,钻孔灌注桩与预制桩相比,有着造价低,工期短的经济效应,同时还可做成较大的尺寸,能够深入的土层深度更大,承载能力更高。 With the accelerating process of urbanization in our country and the contradiction between land use and land use increasing day by day, coupled with the upgrading of technology, the proportion of high-rise buildings in urban areas is increasing, and the requirements for building foundations are also getting larger and larger. The bored piles and precast Compared with the pile, it has the economic effect of low cost and short construction period, and at the same time, it can be made into larger size and can penetrate deep into the soil with greater depth and higher bearing capacity.