expanded shale 中文意思是什麼
expanded shale
解釋
膨脹性頁巖-
Aggregates. rotary - furnace made expanded clay and shale for making concretes
集料.轉爐燒制混凝土用膨脹頁巖或粘土碎石料 -
Standard guide for use of rotary kiln produced expanded shale, clay or slate as a mineral amendment in topsoil used for landscaping and related purposes
園林設計及其有關用途的作為上層土中改良礦物質用旋轉窯生產的空心油巖粘土或石片的使用標準指南 -
Eight concrete samples of different compound ratio of artificial lightweight aggregate ( coarse aggregate of expanded shale ) and ordinary aggregate, water - reducing admixture, expanding admixture, etc, are compounded firstly, based on the research of main properties such as agitating property, strength, dry surface density and deformation, an optimum compound ratio of the concrete with high strength ( cl40 ), light density ( 1800 ) and slight expand is achieved
首先,採用人造輕骨料(頁巖陶粒)及普通骨料,加入減水劑、膨脹劑等,配製出了八種不同配合比的輕骨料砼與普通砼,並對其和易性、強度、干表觀密度、變形等主要性能進行了試驗研究,得到了強度等級cl40 ,密度等級1800的輕骨料中高強度微膨脹砼最佳配合比。
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