抗浮锚杆设计优化分析

Optimization Analysis of Anti-Floating Anchor Design

随着城市建设地下空间的利用程度提高,大尺寸、大埋深基础的抗浮设计已成为结构设计的重点。建筑抗浮设防水位是抗浮设计的重要参数,通过分析北京地区抗浮设防水位的影响因素以及近年来的变化情况,结合当前建筑的特点和现行规划,总结建议了抗浮锚杆设计和优化方法。通过工程实例介绍了采用数值分析方法对抗浮锚杆进行优化设计,为类似工程提供可靠经验。

With the improvement of the utilization of underground space in urban construction,the anti-floating design of large-size and deep-buried foundations has become the focus of structural design.Anti-floating fortification level is an important parameter of anti-floating design.The influence factors and recent changes of anti-floating fortification level in Beijing area are analyzed according to the character of the current building and the current planning.The design and optimization methods of anti-floating anchor are summarized.The optimization design of anti-floating anchor by numerical analysis method is introduced in detail through engineering examples,which could provide reliable experience for similar projects.