玻化微珠保温混凝土回弹法测强曲线研究.pdfVIP

学兔兔 2014年第 6期(总第 296期 ) 混 凝 土 实 用 技 术 Number 6 in 2014(Total No．296) Concrete PRACTICAL TECHN0LOGY doi：10．3969~．issn．1002—3550．2014．06．041 玻化微珠保温混凝土回弹法测强曲线研究 任 杰，李 珠，张 玉 (太原理工大学 建筑与土木工程学院，山西 太原 030024) 摘 要： 为了实现对玻化微珠保温混凝土的非破损检测，采用混凝土回弹仪进行了强度检测试验研究，通过SPSS软件对回弹 试验结果进行回归分析，得到了玻化微珠保温混凝土统一测强曲线公式，并对其测试精度进行检验。结果表明：回弹法同样可以 用于玻化微珠保温混凝土的抗压强度检测。最后对比了玻化微珠保温混凝土与普通混凝土全国统一曲线，结果显示，玻化微珠保 温混凝土的回弹值低于普通混凝土，且其随龄期的增长而增大。 关键词：玻化微珠保温混凝土；回弹法；抗压强度；测强曲线 中图分类号：TU528．07 文献标志码： A 文章编号： 1002—3550(2014)06—0144—03 Study on strength test curve of thermal insulation glazed hollow bead concrete by rebound method REN．1ie，LI u，Zt-IANG Yu (College ofArchitecture andCivilEngineering，TaiyuanUniversityofTechnology，Taiyuan030024，China) Abstract： The nondestructive test on the thermal insulation glazed hollow bead concrete iS based on the experimental study which on detecting the strength of the concre~by rebound tester and the unified strength test curve formula of the thermal insulation glazed hollow bead concrete by the regression analysis on the result of the rebound test through the SPSS software which also verify its test accuracy． Results show that，rebound method Can also be used for testing the compressive strength of the thermal insulation glazed hollow bead concrete．Comparisonofthenationalunifiedcurve onthetherm alinsulation glazedhollowbeadconcreteandnorm al concrete showsthat， the reboundvalue oftheformerislessthan thelater anditincreaseswiththegrows ofthe age． Keywords： therm alinsul~ionglazedhollowbead concrete；reboundmethod；compressive strength；curvefortesting strength