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TECHNICAL SOLUTIONS All the guarantees of a deformity resistant, linear system! MECHANICAL STRENGTH OF THE INTEGRAL ® / PLUVIAL ® RAN The behaviour of ductile cast iron pipes is a compromise between that of flexible and rigid materials. Consequently, their mechanical properties combine the advantages of both types. PRODUCTS SUBJECTED TO Crushing strength of a GRP tube Cast iron is a ductile, and therefore elastic material, which offers an elongation at rupture > 10 %. Although the system is never stressed to this value, it represents a significant safety margin. The buried pipeline may be subjected, over time and in unstable ground for example, to differential soil compaction or to settlements due to water circulation which destabilises the trench bottom. Due to the strength and elasticity of ductile cast iron, the pipeline systems can absorb the inevitable stresses or changes occurring in the immediate surroundings without breakage or joint separation. Buried pipes are also stressed mechanically by the loads due to the backfill (earth or permanent loads), in addition to intermittent loads (circulation loads or traffic loads). It is therefore important to select a pipeline with an adequate safety coefficient, to avoid problems caused by breaks, cracks, flexion or ovalisation leading to spillage into a water channel. The ideal complement for these pipelines are the elastomer gaskets which give the system a degree of flexibility, representing a safety factor when crossing heterogeneous or unstable ground. When subsidence is extended and uniform, the gasket allows the pipeline to behave as a flexible chain in order to take up the mechanical forces. This feature also eliminates the need to install connecting rods near manholes. 16 Saint-Gobain PAM - SEWERAGE - 2012
GES STANDARDISED CRUSHING TESTS Crushing strength of a PVC tube Crushing strength of a ductile cast iron pipe Due to the rigidity of ductile cast iron, the PAM pipeline system resists deformities and retains its linearity, ensuring respect of the water flow. What seems like a mechanical paradox should be considered with interest, since it is the combination of these characteristics which gives the PAM pipeline system its longevity, ensuring it remains watertight over time, in spite of contingencies. DN Rigidity kN/m 2 Ovalisation % 150 230 1,9 200 105 2,5 250 66 2,8 300 47 3,0 400 31 3,2 500 22 3,4 800 20 4,0 1000 16 4,0 DIAMETRICAL RIGIDITY OF THE TAG 32® RANGE Corresponds to 32 kN/m2 and meets the need for performance in the gravity market perfectly. DN Rigidity kN/m 2 Ovalisation % 150 74 1,5 300 32 3,0 Saint-Gobain PAM - SEWERAGE - 2012 17
Page 1 and 2: Product guide : sewerage Innovative
Page 3 and 4: Saint-Gobain PAM, committed to sust
Page 5 and 6: C ONTENTS Eco-Installation Saint-Go
Page 7 and 8: Highly resistant, tough and flexibl
Page 9 and 10: SAFETY AND ENVIRONMENTAL NEEDS ➜
Page 11 and 12: APPLICATIONS OPERATING CHANGES ➜
Page 13 and 14: APPLICATIONS OVERALL PROFITABILITY
Page 15: APPLICATIONS CONNECTIONS AND PROPER
Page 19 and 20: TECHNICAL SOLUTIONS INTEGRAL ® jun
Page 21 and 22: TECHNICAL SOLUTIONS MECHANICAL STRE
Page 23 and 24: TECHNICAL SOLUTIONS HYDRAULIC CAPAC
Page 25 and 26: TECHNICAL SOLUTIONS SOIL CORROSIVEN
Page 27 and 28: TECHNICAL SOLUTIONS SPECIAL CASE: S
Page 29 and 30: TECHNICAL SOLUTIONS ■ The INTEGRA
Page 31 and 32: PAM SAFETY CONTRACT: OUR COMMITMENT
Page 33 and 34: The need to regularly clean sewerag
Page 35 and 36: INTEGRAL ® RANGE: pipes pH1 pipe w
Page 37 and 38: INTEGRAL ® RANGE: pipes for specia
Page 39 and 40: INTEGRAL ® RANGE: gravity connecti
Page 43 and 44: Hu INTEGRAL ® RANGE: gravity conne
Page 47 and 48: Ø DI Ø B Ø DI Ø B Ø DI Ø B IN
Page 49 and 50: Ø D Ø D Ø D INTEGRAL ® RANGE: p
Page 51 and 52: Ø B D I INTEGRAL ® RANGE: pressur
Page 53 and 54: INTEGRAL ® RANGE: valves - protect
Page 57 and 58: PLUVIAL ® RANGE: junctions Joint -
Page 61 and 62: TAG 32 ® RANGE: pipes and joint ga
Page 63 and 64: TAG 32 ® RANGE: branch connections
Page 65 and 66: Øde Lu Øde Øde TAG 32 ® RANGE:
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TAG 32 ® RANGE: sleeves Inter-mate
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TAG 32 ® RANGE: connecting parts f
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TAG 32 ® RANGE: connection to othe
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TAG 32 ® RANGE: connection to conc
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PIPE AND FITTING REPAIR PRODUCTS Sa
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REPAIR PRODUCTS FOR PIPES AND FITTI
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Investing in a PAM pipeline means:
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