大直径灌注桩高应变锤上测力方法试验研究

Research on Method of Force Testing on Hammer of Large Diameter Bored Cast-in-situ Pile High Strain Dynamic Testing

介绍高应变锤上测力方法的基本原理,从理论和实践验证了该方法具有的独特优势,并结合实际工程证明在大直径灌注桩高应变采用锤上测力法的准确性和适用性,为解决大直径灌注桩高应变法实践过程中的局限性提供了思路。

This paper introduces the basic principle of force testing on hammer of high strain dynamic testing,analyze the unique advantage of this method theoretically and practically,and verify the accuracy and applicability of large diameter bored cast-in-situ pile high strain dynamic testing with the method of force testing on hammer,provide ideas to solving the practical problems of high strain dynamic testing.