解法：例4.2中I形截面的设计弯矩可以和所需的截面性能相结合：
其中，例题中的弯矩是由均布荷载产生的，弯矩图形状为抛物线，同时简支端部的弯矩值为零。因此，1/4跨弯矩为
预应力混凝土构件英文文献和中文翻译(4):http://www.youerw.com/fanyi/lunwen_42886.html
解法：例4.2中I形截面的设计弯矩可以和所需的截面性能相结合：
其中，例题中的弯矩是由均布荷载产生的，弯矩图形状为抛物线，同时简支端部的弯矩值为零。因此，1/4跨弯矩为
预应力混凝土构件英文文献和中文翻译(4):http://www.youerw.com/fanyi/lunwen_42886.htmlThis paper investigates the effect of cell design on solid oxide fuel cells (SOFC...
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