As a kind of supporting structure, steel sheet pile cofferdam has perfect characteristics of waterproof performance and strong overall stiffness, so it is widely used in construction of foundations. Through comparison of overall stability and seepage stability of the supporting system of the main pier foundation construction for new Mei-jiang Bridge, a reasonable and safe construction plan is formulated, as a result saving time and cost and ensuring the engineering quality.%钢板桩围堰作为支护结构，具有防水性能好，整体刚度较强的特点，在基础工程施工中应用较多。通过对新梅江大桥主墩承台基础施工围堰支护系统比选，整体稳定性、抗倾覆及渗透稳定等设计，制订了合理和安全的施工方案，从而缩短围堰施工时间和节约造价，保证了工程质量。
展开▼
