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UNE-EN 640:1995
Current
The latest, up-to-date edition.
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Reinforced concrete pressure pipes and distributed reinforcement concrete pressure pipes (non-cylinder type), including joints and fittings
Hardcopy , PDF
Spanish, Castilian, English
19-12-1995
Committees responsible
National foreword
Foreword
0. Introduction
1. Scope
2. Materials
2.1 Aggregates
2.2 Steel wire for distributed reinforcement pipes
3. Design and fabrication of pipe
3.1 General requirements
3.1.1 Wall thickness
3.2 Design of pipe
3.2.1 General
3.2.2 Combined load design criteria
3.3 Reinforcement
3.3.1 Circumferential reinforcement for reinforced
concrete pipe
3.3.2 Circumferential reinforcement for distributed
reinforcement pipe
3.3.3 Longitudinal reinforcement for reinforced concrete
pipe
3.3.4 Longitudinal reinforcement for distributed
reinforcement pipe
3.3.5 Longitudinal prestressing reinforcement
3.3.6 Placement and cover to steel
3.4 Concrete and mortar
3.4.1 Mix design
3.4.2 Concrete strength
4. Factory testing
4.1 Concrete tests
4.2 Pipe tests
4.2.1 Hydrostatic pressure tests
4.2.2 Crushing test for reinforced concrete pipe
4.2.3 Combined crushing and pressure test for
distributed reinforcement pipe
4.2.4 Combined bending and pressure test for distributed
reinforcement pipes
Annex A (informative) Typical design procedure
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