内容简介
JJF（冀）178-2020土工合成材料耐静水压测定仪校准规范
Calibration Specification for Geosynthetic HydrostaticTesters
2020-09-01 发布
2020-11-30 实施
目 录
引言 ...................................................................................................................................... (1)
1范 围 ................................................................................................... (1)
2引 用 文件 ............................................................................................ (1)
3 概述 ..................................................................................................................................... (1)
4 计量特性 ............................................................................................................................ (1)
4.1 测量范围 .......................................................................................................................... (1)
4.2 系统密封性 ...................................................................................................................... (1)
4.3 示值误差 .......................................................................................................................... (1)
4.4 设定点控制误差 .............................................................................................................. (1)
4.5 试样夹持装置几何尺寸误差 .......................................................................................... (2)
4.6 绝缘电阻 .......................................................................................................................... (2)
5 校准条件 ............................................................................................................................ (2)
5.1 环境条件 ......................................................................................................................... (2)
5.2 校准用设备 ..................................................................................................................... (2)
6 校准项目和校准方法 ........................................................................................................ (3)
6.1 外观 .................................................................................................................................. (3)
6.2 功能性检查 .................................................................................................................. (3)
6.3 系统密封性 ...................................................................................................................... (3)
6.4 示值误差 .......................................................................................................................... (3)
6.5 设定点控制误差 .............................................................................................................. (4)
6.6 试样夹持装置几何尺寸误差 .......................................................................................... (4)
6.7 绝缘电阻 .......................................................................................................................... (4)
7 校准结果的表达 ................................................................................................................ (4)
8 复校时间间隔 .................................................................................................................... (4)
附录 A 土工合成材料耐静水压测定仪原始记录（式样） ............................................ (6)
附录 B 校准证书内容及内页格式 ................................................................................ …(7)
附录 C 土工合成材料耐静水压测定仪示值测量结果的不确定度分析评定示例 .... …(9)