Combining with the survey of the beach protection projects in the west of the urban beach in Jinshan District,the paper introduces some structural optimal measures during the construction period,briefly analyzes the advantages of measures including the widening inner plat-form,replacement of single-edge structure with the double-edge one,and the anti-leakage walls of high-pressure jet grouting,so as to provide some reference for the comprehensive benefits of beach protection projects.%结合金山区城市沙滩以西保滩工程的概况，对该工程在施工期所采取的几项结构优化措施进行了介绍，简要分析了加宽内平台、变单棱体为双棱体结构、设置高压喷射灌浆防渗墙等措施的优点，为提高保滩圈围类工程综合效益提供借鉴。
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