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BSI PD ISO/TS 12512:2017

$142.49

Glass reinforced thermosetting plastic (GRP) pipes. Determination of initial specific ring stiffness using segment test species cut from a pipe

Published By Publication Date Number of Pages
BSI 2017 24
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This document specifies a method for determining the initial specific ring stiffness of pipes having a nominal size of DN 2000 or larger, using segment test pieces cut from a glass-reinforced thermosetting plastics (GRP) pipe.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
12 4 Principle
4.1 Overview
4.2 Principle of test procedures to determine initial specific ring stiffness
4.2.1 Method A
4.2.2 Method B
5 Apparatus
13 5.2 Load application surface — General arrangement
5.3 Dimension-measuring instruments
5.4 Temperature-measuring instrument
14 6 Test pieces
6.1 Preparation
6.2 Number
6.3 Determination of dimensions
6.3.1 Width
15 6.3.2 Wall thickness
6.3.3 Mean diameter
7 Conditioning
8 Procedure
8.1 Test temperature
8.2 Positioning of the test piece
8.3 Determination of initial specific ring stiffness
16 8.3.1 Method A: Using constant load
18 8.3.2 Method B: Using constant deflection
19 9 Calculations
20 10 Test report
21 Annex A (informative) Principles forming basis for use of segmental test pieces
BSI PD ISO/TS 12512:2017
$142.49