变温条件下的水工混凝土自生体积变形试验规程 DB21_T 3144—2019.pdf-2020-09-26-01-53-37-202.docx

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1、ICS19.020P25DB21备案号:xxx-xxx辽宁省地方标准DB21/T3144—2019变温条件下的水工混凝土自生体积变形试验规程Teststandardforconcreteself-generatingvolumedeformationinvariabletemperatureconditions2019-05-30发布2019-06-30实施辽宁省市场监督管理局发布DB21/T3144—2019目次前言...............................................................

2、.................II1范围...............................................................................12规范性引用文件.....................................................................13术语、定义和符号...................................................................13.1术语、定义.........

3、..........................................................13.2符号.........................................................................14原理...............................................................................25仪器和设备...............................................

4、..........................25.1应变测量仪器.................................................................25.2应变计率定设备...............................................................25.3试件桶.......................................................................25.4程控恒温试验箱..........

5、.....................................................25.5试验系统.....................................................................26试件...............................................................................36.1试件尺寸.....................................................

6、................36.2试件数量.....................................................................36.3试件制备.....................................................................37试验步骤...........................................................................47.1应变计的率定.............

7、....................................................47.2试件桶密封性能测试...........................................................47.3试验温度程序设置.............................................................47.4试件制备.....................................................................

8、47.5基准值的选定.................................................................47.6测量.