块石密度对护面结构防护效果的影响

Influence of stone density on protection effect of armor block

块石是港口工程中的传统材料,通常块石密度越大,防护效果越好。依托非洲某水工项目,探讨中标与英欧标准在块石护面结构设计上的异同,并重点讨论了块石密度对护面结构防护计算结果的影响。经分析,在单个块体稳定重量、护面层厚度、垫层石厚度和单位面积消耗吨数上,高密度块石相比于普通块石均降低明显,文中给出了两者的关联公式,为类似条件下防护工程的设计与施工提供了一定借鉴。

Block stone is a traditional construction material used in port engineering. Usually, the greater the density of the block stone is, the better its protective effect is. Based on an African port project, we discussed the similarities and differences between Chinese standards and British and European standards in the structural design of armor block, and emphatically discussed the influence of stone density on calculation results of armor block protection. The analysis shows that the high density block stone is obviously lower than the ordinary block stone on the stable weight of the single block, the thickness of the armor layer, the thickness of the underlayer rock and the tonnage of the unit area. The correlation formulas are given in this paper, which provides reference for design and construction of protection engineering under similar conditions.