Guide to the Design of Thrust Blocks for Buried Pressure Pipelines

Front Cover
Thomas Telford, 1994 - Fluid dynamics - 97 pages
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This report presents a step-by-step design guide for thrust blocks to restrain the forces generated by changes in direction of fluid flow in jointed buried pressure pipeline networks. It provides a detailed background knowledge to the underlying principles and theory involved with designing thrust blocks for buried pipelines. The guidance given in this report is principally for thrusts up to 1000kN, limiting both the pressure range and pipe diameters and, more importantly, the thrust block sizes.
 

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Contents

List of figures
7
Notation
13
Figures
16
Formulae for determining components of the hydraulic thrust
23
Displacement of a thrust block under load
30
Elements for calculating ultimate bearing resistance Qb
36
CONSTRUCTION DETAILS
40
Typical thrust block details for vertical bends downturns
42
EXAMPLES
53
Pipeline for Example 2
58
References
65
Field identification of soils and rocks
73
Figure A3 1 Typical grading curves for soils
76
Figure A3 9 Compression and swelling of soil
83
Derivation of formula for ground resistance
91
Copyright

Protection for fully enclosed uPVC pipes
48

Common terms and phrases

Bibliographic information