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BSI PD ISO/TS 10986:2021

$189.07

Plastics piping systems. Glass-reinforced thermosetting plastics (GRP) pipes. System design of above ground pipe and joint installations without end thrust

Published By Publication Date Number of Pages
BSI 2021 46
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This document addresses the system design of pipe and joints of above ground installations without end-thrust as specified in systems standard ISO 23856 . It is directed to pipelines with a minimum stiffness of SN 5000 laid in a straight line between thrust blocks. It is based on the safety concepts described in ISO TS 20656-1 , with consequence class 2 (CC2) as default. For other consequence classes, certain details specified in this document can need to be modified. This document is directed to double bell coupling. However, much of the information can be adapted and utilized for other flexible joints systems.

This document does not cover fittings nor detailled engineering work like thrust blocks, support and anchor designs.

As installation is not included in the scope of this document and to assist system design, Annex A provides a pressure testing and inspection procedure. However, to ensure the use of clearly defined field test data in system design, Annex A can be used normatively by agreement between purchaser and supplier. An example of recording above ground joint deflection data is given in Annex B.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Angular deflection of joints
4.1 General
11 4.2 Effects of loads on joint angular deflection
4.3 Measuring deflections
12 4.4 Checking the installed joint
4.4.1 General
4.4.2 Coupling-to-pipe position
4.4.3 Joint misalignment
13 4.4.4 Gap between pipe ends
14 4.4.5 Adjusting joints
5 Installation of above ground pipes
5.1 General
15 5.2 Supporting of pipes
5.2.1 General
17 5.2.2 Support design
18 5.2.3 Loads on supports
19 5.3 Anchor design
5.4 Guide design
22 5.5 Maximum support spacing
5.5.1 General
23 5.5.2 Perpendicular forces
5.5.3 Forces due to angular deviation
5.5.4 Axial forces
25 5.5.5 Maximum total axial force
5.5.6 Deformations and bending moments for pipes resting on two supports
28 5.5.7 Deformations and bending moments for pipes resting on multiple supports
31 5.5.8 Load cases and combinations of long- and short-term loads
32 5.5.9 Checking of stresses and deformations
35 Annex A (informative) Pipeline pressure testing and inspection
42 Annex B (informative) Recording above ground joint deflection data
45 Bibliography
BSI PD ISO/TS 10986:2021
$189.07