問題詳情
35 混凝土的彈性模數 Ec 通常須由混凝土壓力試驗的應力-應變曲線決定，下列有關目前的混凝土結構設計規範中 Ec建議值的敘述何者正確？
(A)由壓應力為 0 至 
之斜率決定
(B)會隨混凝土單位重增加而降低
(C)會隨壓力試驗應變率增加而降低
(D)會隨混凝土抗壓強度增加而降低
參考答案
無參考答案
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