砌块组合墙体系采用封底砌块作为主要墙体材料，周边和内部设置钢筋混凝土约束梁柱的一种新型承重墙体单元。
The block masonry composite wall system has good performance of earthquake resistance due to mutual confining action between the concrete and block.
施工承台封底混凝土时使用了水下不离散混凝土絮凝剂uwb，保证了施工质量。
The bottoming concrete in foundation construction USES non discrete concrete flocculation agent UWB to ensure the construction quality.
介绍了水下自密实混凝土的配合比设计，生产，检验方法及验收等一系列问题，总结了苏通大桥承台成功封底的施工工艺，对以后同类施工有一定指导和借鉴。
The paper summarizes the definition of self-compacting concrete and its workability, discusses in detail the research and development of the methods for testing SCCs passing ability in the world.
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