ISO 7685 - 2019-07 Glass-reinforced thermosetting plastics (GRP) pipes - Determination of initial ring stiffness. Inform now!

2016年12月27日 · 本文件规定了测定玻璃钢初始环刚度的方法 热固性塑料（GRP）管。 给出了两种方法（恒载荷和恒挠度），以及 在规定的挠度限制范围内，每一个都同样有效，可以用于任何直径。 交叉引用:ISO 3126购买本文件时可获得的所有现行修订均包含在购买本文件中。 This document specifies methods for determining the initial ring stiffness of glass-reinforced thermosetting plastics (GRP) pipes.

2025年2月12日 · ISO 7685 规定了确定玻璃增强热固性塑料 (GRP) 管道初始环刚度的方法。 给出了两种方法（恒定载荷和恒定挠度），并且在指定的挠度限制内，每种方法同等有效并且可用于任何直径。 ISO 7685 – 玻璃增强热固性塑料 (G... 分析测试百科网标准频道是为分析测试行业提供标准信息检索而建立，方便分析测试行业从业人员查找适用的标准。 本页面内容根据标准题录信息制作，有可能不准确甚至可能有错误。 如需准确的标准信息，请参阅正式版完整文本。 部分标 …

Two methods are given (constant load and constant deflection), and within the specified deflection limits, each is equally valid and can be used for any diameter. The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of …

This second edition cancels and replaces the first edition (ISO 7685:1998), which has been technically revised. The main changes compared to the previous edition are as follows: — added recommendations for the parallelism of the plates/bars; — added preload dependent on DN sizes;

ISO 7685:2019玻璃钢热固性塑料（GRP）管 初始环刚度的测定本文件规定了玻璃纤维增强热固性塑料（GRP）管道初始环刚度的测定方法。 给出了两种方法（恒定荷载和恒定挠度），在规定的挠度限值内，每种方法都同样有效，可用于任何直径。

This document specifies methods for determining the initial ring stiffness of glass-reinforced thermosetting plastics (GRP) pipes. Two methods are given (constant load and constant deflection), and within the specified deflection limits, each …

This document specifies methods for determining the initial ring stiffness of glass-reinforced thermosetting plastics (GRP) pipes. Two methods are given (constant load and constant deflection), and within the specified deflection limits, each …

2019年7月1日 · This document specifies methods for determining the initial ring stiffness of glass-reinforced thermosetting plastics (GRP) pipes. Two methods are given (constant load and constant deflection), and within the specified deflection limits, each is equally valid and can be used for any diameter.

This document specifies methods for determining the initial ring stiffness of glass-reinforced thermosetting plastics (GRP) pipes. Two methods are given (constant load and constant deflection), and within the specified deflection limits, each …