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本文通过22根钢筋混凝土受弯构件的试验，探讨了混凝土保护层厚度对裂缝间距和裂缝宽度的影响。
In this paper, according to the experimental results of 22 beams, we probe into the influence of concrete cover thickness on crack width and crack spacing.
通过16根CFRP抗弯加固钢筋混凝土梁的试验，主要研究纤维片材端部和裂缝附近的界面剪应力分布规律及其影响因素。
The paper mainly study interfacial shear stress distribution and influence parameters on the experiment of 16 RC beam strengthened with CFRP.
试验研究了22根无粘结和4根有粘结部分预应力梁在三分点荷载作用下的抗弯性能。
The study was both experimental and analytical. 22 partially prestressed concrete beams with unbonded tendons and 4 with bonded tendons were tested.
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