Softening curve of dam concrete by inverse analysis and size effect of softening curve

机译：软化曲线逆分析和尺寸效应坝混凝土柔化曲线

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The softening curves of four groups specimens with different sizes were obtained by inverse analysis based on the fictitious crack model(FCM) and the P-CMOD curve achieved by a three-point bending notched beam (TPB) test. According to the softening curves obtained by inverse analysis, size effect of softening curves was investigated, which shows both the maximum crack width w_c and fracture energy G_F have an increasing trend with the increase of the specimen size, but no longer to increase when the specimen size attains to a certain level.

机译：通过基于虚拟裂纹模型（FCM）的反逆分析，获得四组具有不同尺寸的样品的软化曲线，并通过三点弯曲的射线（TPB）测试实现的P-CMOD曲线。根据通过反正分析获得的软化曲线，研究了软化曲线的尺寸效果，显示出最大裂缝宽度W_c和裂缝能量G_F随着样品尺寸的增加而产生的趋势，但试样不再增加大小达到一定程度。

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《International Conference on Structures and Building Materials(ICSBM)》|2012年||共5页
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作者
Zhifang Zhao; Qiuyu Wang; Zhihua Yang; Yang Yang;
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原文格式 PDF
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中图分类 TB3-532;
关键词
Dam concrete; Inverse analysis; Softening curve; Size effect;

机译：大坝混凝土;逆分析;软化曲线;尺寸效果;

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4. Softening curve of dam concrete by inverse analysis and size effect of softening curve [C] . Zhifang Zhao, Qiuyu Wang, Zhihua Yang, International Conference on Structures and Building Materials(ICSBM) . 2012

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Softening curve of dam concrete by inverse analysis and size effect of softening curve

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