第六讲　混凝土的耐磨性冯乃谦１概述海岸、河流的护坡及其相邻接的结构物及水坝、地堤等水工结构物，受到波浪和流水、砂砾和岩石的激烈的蘑耗作用，特别是海滨的高架桥、钢筋混凝土采油平台的支撑等，受到严冬期激烈的波浪冲击，加上泥砂及卵石等的反复冲击作用。日本道... Lecture 6: Wear resistance of concrete Feng Naiqian 1 Introduction Slope protection of coastal and river structures and their adjoining structures, and hydraulic structures such as dams and embankments are affected by the intense mushroom consumption of waves, flowing water, gravel, and rocks. In particular, the coastal viaducts and the support of reinforced concrete production platforms have been subjected to severe wave shocks during the severe winter period, with repeated impacts such as mud sand and pebbles. Japan Road...