CN101122596A - 混凝土开裂敏感性测试装置及抗裂能力评价方法 - Google Patents
混凝土开裂敏感性测试装置及抗裂能力评价方法 Download PDFInfo
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- CN101122596A CN101122596A CNA2007100300557A CN200710030055A CN101122596A CN 101122596 A CN101122596 A CN 101122596A CN A2007100300557 A CNA2007100300557 A CN A2007100300557A CN 200710030055 A CN200710030055 A CN 200710030055A CN 101122596 A CN101122596 A CN 101122596A
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Abstract
Description
性能材料 | H2基准 | H6-FA35 | H9-S70 | H11-SF10 | H18-UEA | H19-JS | H20-UEA-JS | H21-纤维 |
弹性模量MPa | 4.13 | 4.13 | 3.89 | 4.36 | 4.62 | 4.16 | 4.03 | 4.35 |
抗拉强度MPa | 5.2 | 5.0 | 4.1 | 5.3 | 5.2 | 4.5 | 4.5 | 6.1 |
极限拉伸率μξ | 78 | 87 | 78.8 | 70.8 | 68 | 109.4 | 110 | 85 |
干燥收缩μξ | -425 | -329.4 | -360 | -350 | -372 | -287 | -205 | -395 |
自收缩μξ | -93 | -54 | -79 | -123 | -83 | -31 | 147 | -85 |
温度收缩μξ | -520 | -450 | -387 | -580 | -473 | -549 | -230 | -515 |
总收缩量(包含温度收缩)μξ | -1038 | -833 | -826 | -1053 | -928 | -867 | -288 | -995 |
总收缩量(不包含温度收缩)μξ | -518 | -383.4 | -439 | -473 | -455 | -318 | -58 | -480 |
包含温度收缩的抗裂因子% | 7.51 | 10.44 | 9.54 | 6.72 | 7.33 | 12.62 | 38.19 | 8.54 |
不包含温度收缩的抗裂因子% | 15.06 | 22.69 | 17.95 | 14.97 | 14.95 | 34.40 | 189.66 | 17.71 |
小圆环法开裂时间(h)-浆体法 | 5.25 | 19 | 20 | 11 | 23.1 | 25 | 未裂 | 15.4 |
大圆环法开裂时间(d)-砂浆法 | 2 | / | / | / | 15 | 13 | 34 | 2.5 |
平板法开裂时间(h),开裂面积-混凝土法 | 4 | 26 | 6 | 1.5 | 6 | 未裂 | 18 | 2.5 |
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Cited By (25)
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CN102129491A (zh) * | 2011-02-28 | 2011-07-20 | 河海大学 | 一种混凝土裂缝扩展仿真方法 |
CN102183626A (zh) * | 2011-03-04 | 2011-09-14 | 同济大学 | 一种预测水泥砂浆材料塑性收缩开裂方法 |
CN102338718A (zh) * | 2011-06-11 | 2012-02-01 | 福州大学 | 一种水泥基材料抗裂性能评价方法 |
CN102392508A (zh) * | 2011-08-05 | 2012-03-28 | 重庆大学 | 一种确定使用弯矩下钢砼梁弹性模量与配筋率关系的方法 |
CN102539656A (zh) * | 2011-12-24 | 2012-07-04 | 福州大学 | 一种水泥基材料抗裂性能快速评价方法 |
CN102608298A (zh) * | 2012-02-29 | 2012-07-25 | 哈尔滨工业大学 | 手摇式混凝土自收缩测量装置 |
CN103472212A (zh) * | 2013-09-27 | 2013-12-25 | 东南大学 | 一种等强度胶凝材料干燥收缩和徐变的测量方法 |
CN103513018A (zh) * | 2012-12-31 | 2014-01-15 | 中交四航工程研究院有限公司 | 混凝土抗裂性能系统化检测方法 |
CN103558103A (zh) * | 2013-11-08 | 2014-02-05 | 伊犁师范学院 | 基于液态簧振动力学谱方法检测水泥水化反应的方法 |
CN101769916B (zh) * | 2010-01-25 | 2014-06-18 | 江苏苏博特新材料股份有限公司 | 水泥基材料膨胀/收缩应力测试方法 |
CN101738459B (zh) * | 2010-01-25 | 2014-06-18 | 江苏苏博特新材料股份有限公司 | 水泥基材料膨胀/收缩应力测试装置 |
CN105115634A (zh) * | 2015-08-17 | 2015-12-02 | 青岛理工大学 | 柱形体环向应变土压力传感器和测量方法 |
CN105158447A (zh) * | 2015-09-07 | 2015-12-16 | 中建三局集团有限公司 | 一种基于成熟度的混凝土结构开裂风险评估方法 |
CN105314938A (zh) * | 2015-11-24 | 2016-02-10 | 绍兴文理学院 | 一种低干缩抗裂混凝土 |
CN108181346A (zh) * | 2017-12-21 | 2018-06-19 | 中国水利水电科学研究院 | 全级配混凝土现场自生体积变形与线膨胀系数监测设备与方法 |
CN108387717A (zh) * | 2018-05-30 | 2018-08-10 | 深圳大学 | 一种混凝土开裂敏感性的测量系统及其测量方法 |
CN108490160A (zh) * | 2018-03-08 | 2018-09-04 | 同济大学 | 一种水泥砂浆早期收缩的检测方法 |
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CN2857009Y (zh) * | 2005-07-13 | 2007-01-10 | 同济大学 | 混凝土约束收缩试验装置 |
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CN101769916B (zh) * | 2010-01-25 | 2014-06-18 | 江苏苏博特新材料股份有限公司 | 水泥基材料膨胀/收缩应力测试方法 |
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