三峡升船机上闸首优化设计节资上千万元三峡工程升船机上闸首基础设计经修改优化后，减少了石方开挖量８万多立方米及相应的回填混凝土方量；仅节省混凝土方量一项，按现行价格估算可节省工程投资人民币上千万元。根据原设计，升船机上问首底板高程为互勾ｍ，建基面高程为... Three Gorges ship lift on the head of the optimal design capital of 10 million yuan Three Gorges Project Ship lift on the head of the foundation design has been modified and optimized to reduce the stone excavation of more than 80,000 cubic meters and the corresponding amount of concrete backfill; save only An amount of concrete side, according to the current price estimates can save 10 million yuan investment in engineering. According to the original design, the lift board asked the first floor elevation hook m hook, build base elevation is ...