论文部分内容阅读
无桩靴夯扩桩是近年来发展的一种新桩型。它能保证混凝土施工质量和桩基承载力。本文对夯扩桩施工机械设备和施工程序作了介绍,简明地概括了设计原则和适用范围。通过对若干工程实例进行了技术经济分析。
The pile-free pile-enlargement pile is a new type of pile developed in recent years. It can ensure the quality of concrete construction and the bearing capacity of the pile foundation. This paper introduces the construction equipment and construction procedures of the cast-in-place expansion piles, and summarizes the design principles and the scope of application. Through a number of engineering examples of technical and economic analysis.