A.鋼筋綁扎材料宜選用30~32號(hào)無(wú)繡綁扎鋼絲 B.鋼筋墊塊應(yīng)有足夠的強(qiáng)度、剛度 C.鋼筋墊塊顏色與清水混凝土的顏色接近 D.鋼筋連接方式不應(yīng)影響保護(hù)層厚度
A.25mm,35mm,35mm B.35mm,25mm,35mm C.25mm,25mm,35mm D.25mm,25mm,25mm
A.非酸活性骨料B.非堿活性骨料C.中性活性骨料D.以上都不正確