問題詳情
1 矩形梁抵抗彎矩由零荷載逐漸加載至標稱彎矩強度 Mn，下列敘述何者正確？
(A)隨著彎矩增加，斷面中性軸深度由深變淺
(B)隨著彎矩增加，斷面中性軸深度由淺變深
(C)彎矩增加過程中，斷面中性軸深度不變
(D)彎矩增加過程中，斷面中性軸忽高忽低
(A)隨著彎矩增加，斷面中性軸深度由深變淺
(B)隨著彎矩增加，斷面中性軸深度由淺變深
(C)彎矩增加過程中，斷面中性軸深度不變
(D)彎矩增加過程中，斷面中性軸忽高忽低
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