facing aggregate 中文意思是什麼
facing aggregate
解釋
飾面骨料-
With the project performance this article introduces some - works on pac under the following aspects : - - - advantages of pcrd construction in the cold district, more durability, reliability and crack resistance of the pac core than concrete facing slab ; - - - mix design, criteria of material selection, relationship between aggregate segregation and mix proportion ; - - - test and study on deformation and strength of the pac
本文結合實際工程進行了如下幾方面的工作： 1 ）分析了澆築式瀝青混凝土心墻堆石壩在寒冷地區施工的優勢，其防滲結構的耐久性、可靠性、抗裂性等方面性能均優于混凝土面板。 2 ）確定澆築式瀝青混凝土施工配合比，確定對原材料的選擇原則，探討骨料離析與配合比的關系。
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