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(1)麻面补修法 如果在混凝土表面作抹面或粉刷,可不作补修;否则,应在麻面部位喷水湿润后,用与混凝土同标号砂浆抹压,将麻面抹平。 (2)蜂窝补修法 ①对小蜂窝,洗刷干净后,用1:2水泥砂浆抹面压实。②对较大蜂窝,要凿去薄弱部分与突出骨料颗粒,用钢丝刷或压力水洗刷干净后,然后支模;支模后可用粒径10～20毫米细石混凝土(比原标号高一级)仔细填塞捣实。
(1) Pavement repair method If the surface of the concrete is plastered or painted, it may not be used for repair; otherwise, it shall be sprayed with water on the surface of the pockmarked surface, and then the plaster shall be pressed with the same marking as the concrete to level the pockmark. (2) Honeycomb repair method 1 After cleaning the small cell, clean it with 1:2 cement mortar. 2 For larger honeycombs, the weak part and protruding aggregate particles should be cut off, washed with wire brush or pressure water, and then the mold; after the mold can be used fine-grained concrete 10 to 20 mm in diameter (higher than the original markings Grade) carefully padded.