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苏通大桥规模宏大,中跨1088m为世界之最。从设计到施工极具挑战性,难度非常大,比国内以往任何一座桥梁遇到的难题更多、建设更复杂,其群桩基础的设计和施工具有较高的技术难度。本文依据该群桩荷载集度大、水文气象条件复杂、工程地质条件差等因素,结合江阴大桥、润扬大桥以及水工建筑物安全监测设计的经验,详尽介绍该群桩基础监测系统的设计原则、监测内容和方法,从而有效地保证监测质量来实现结构安全性和可靠性。
Sutong Bridge large-scale, mid-span 1088m for the world. From design to construction is very challenging, very difficult, more than any bridge in the country encountered more problems, more complex construction, the design and construction of pile foundation with high technical difficulty. Based on the large pile load concentration, complex hydrological and meteorological conditions, poor engineering geological conditions and other factors, combined with the experience of Jiangyin Bridge, Runyang Bridge and hydraulic structures safety monitoring design, this paper describes in detail the design of the foundation pile monitoring system Principles, monitoring of content and methods, thus effectively ensuring the quality of monitoring to achieve structural safety and reliability.