Thermoplastics piping systems for non-pressure underground drainage and sewerage — Thermoplastics inspection chamber and manhole bases — Test methods for buckling resistance
无压地下排水和排污用热塑性管道系统.热塑性检查室和人孔底座.抗屈曲试验方法
发布日期:
2022-06-15
本文件规定了热塑性检查井和人孔底座在安装后对外部土壤和地下水压力的阻力的试验方法。
This document specifies methods of test for the resistance of the base of thermoplastics inspection chambers and manholes to external soil and ground-water pressure after installation.