Expansion Joints - Engineering Guide
(ESA Publication No. 011/01, published 2001 January)
This document has been prepared for use by designers, engineering contractors, end users and original equipment manufacturers. It is focused on solutions to the typical challenges faced by engineers responsible for ducting and equipment connections involving expansion joints. The document aims to provide the reader with:
a better understanding of fabric expansion joints
a means
of evaluating the various options available
a series
of guidelines for the safe usage of expansion joint components
This guide describes in detail the applications and capabilities of fabric expansion joints, provides information on standard expansion joints and outlines the basic engineering concepts involved. The document provides information on materials used, plus other sections arranged to help in the design and specification of fabric expansion joints. Importantly, the guide provides the basis for maximising communication between user and manufacturer, in order that both may work together productively to solve challenges through the selection and use of the most appropriate technology for the application.
Overall definition
The generic description ‘Expansion Joint’
covers a wide variety of products used to absorb movement in ducts and pipelines. There are many applications for these products, and
there is some overlap between the various types of expansion joint which can be used for a
specific purpose.
These guidelines describe the
design and application of fabric expansion joints, manufactured from
single or multiple layers of fabric and elastomers, which are used in ducts, or as seals
for containing gaseous media.
1. Introduction
Overall
definition
Fabric expansion
joints
Focus of this
document
Background to
environmental legislation
2. Definition of the products and technology
Industry
applications
Expansion joint
technology
3. Expansion joint construction and configuration
Construction
Major configurations
4. Expansion joint components
Major components
Other key components
5. Design and selection criteria
Ambient
conditions
Bolting guidelines for
bolted expansion joints
Dust loading and
velocity
Finite element analysis
Leakage
Moisture content,
condensation and washing
Noise
Pressure
Temperature
Tolerances
6. Materials
Testing of
materials
7. Health and safety
8. Transportation, storage, handling for installation and afterwards
9. Quality assurance
Identification
and control of materials
Drawing and document
control
Manufacturing processes
control
Testing, inspection and
documentation
Final inspection and
preparation for delivery
10. Warranties and liabilities
11. Flue-gas and nekal tightness
Flue-gas tight
fabric expansion joints
Nekal-tight fabric
expansion joints
12. Glossary of terms
13. Conversion factors
SI units
Multiples of SI units
Units of common usage
in expansion joint terminology
Conversion factors (SI
units)
14. References
Cost per copy (inclusive of postage) : € 25
or equivalent local currency :
| £ Sterling | 17 |
| SFr | 40 |
| US $ | 29 |
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