钢管灌浆套筒连接研究进展

Research Progress of Pipe-to-sleeve Grouted Connection

钢管灌浆套筒连接作为一种永久性连接方式,主要应用在风力发电桩基础连接和海洋平台受损构件修复等方面,由于其良好的受力特性和结构特点,在矿井支护领域的应用研究逐渐增多。介绍了钢管灌浆套筒连接破坏方式、承载力影响因素,分析了相关规范中给出的计算公式,对其适用范围进行探究,指出灌浆套筒连接未来的研究方向。

Pipe-to-sleeve grouted connection is a permanent connection mode, and mainly used in wind power pile foundation and offshore platform damaged component repair. The application is extend to mine support field as the good mechanical properties and structural characteristics. The influence factors of bearing capacity and the failure modes of pipe-to-sleeve grouted connection are analyzed and discussed. The calculate formula proposed in the codes and the application range are discussed and then offer a proposal to the future research directions.