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26
2018-02
混凝土損壞的原因一般可歸結為:①不正確的混凝土施工變形和約束、超負荷使用以及設計不當等;②混凝土碳化造成的損壞;③自然界的凍融循環,干濕交替會造成混凝土性能的劣化
26
2018-02
聚合物水泥基修補砂漿也稱混凝土修補砂漿簡稱修補砂漿,主要使用的修補對象是混凝土結構物的修補。
13
2017-06
(試驗步驟500g1g4.75mm0.1%(2)試樣篩余百分數按下式計算?F=R/W×100F,;——篩余物質量,Wg凝結時間則采用貫入阻力法測定高強無收縮灌漿料灌漿料的凝結時間。儀器設備a.1000N10N測針:長為承壓面...

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