[請益] 水泥跟骨材
鋼筋混凝土有鋼筋提供抗拉力而水泥提供抗壓力
但是混凝土裡面混和水泥跟骨材的目的是?
因為水泥比較貴所以加上相對便宜的碎石?
還是混凝土乾結後的抗壓強度高於純水泥乾結後?
如果是混凝土強度高 表示加進的骨材是挑過的
本身強度都高於水泥?
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※ 編輯: saltlake (114.44.250.61), 09/18/2015 08:25:11
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