Peter Scharmann HOBAS Engineering GmbH Austria Please note: Place your company logo here (i.e. replace the Spintelligent logo with your logo). Your company logo is only permitted on the first slide!!! GRP Pipes HPP Gailitz A, 2010 DN 2400 PN 6 2048 m HPP Andakill Iceland, 2007 DN 2100 DN 2400 PN 10 550 m HPP Tieferbach A, 2006 DN 900 PN 6, PN 10 980 m Above ground HPP Schenker A, 1982 DN 800 570 m HPP Chur CH, 1961 DN 1000 3000 m Wall thickness 7 mm Raw Materials UP Resin Additives Fiberglass Mineralic Reinforcement Design Principle: Sandwich composite Protective Layers outer protective layer Structural Layers glass fiber/UP layer (strength) core (stiffness, compressive strength) glass fiber/UP layer (strength) inner protective layer barrier layer (flexibility, tightness) What a Pipe has to be designed for • Traffic loads (trucks, trains) • External Pressure (ground water) • Soil loads (settings, installation) • Internal Pressure (static, dynamic) Pipe Production Process Compaction and deaeration by centrifugal acceleration equal 75 g Pipe Production Process System Sypplier Pipes + Couplings + Fittings + Manholes + Speciall Fittings •Diameters: DN 150 – DN 3500 •Pressure Classes: PN 1 – PN 32 •Stiffness Classes: SN 2500 – SN 100000 Product Range Fittings Special Fittings Shafts Tanks Sandtraps HPP Brescia I, 2007 DN 1600 PN 2 650 m Pipe Jacking Jacking Pipes Warsaw, P DN 3000 PN 1 SN 40000, 64000 7100 m Jacking Force 1200 t HPP Pitzbach A, 1988 Sliplining of concrete pipes DN 1500-1600 PN 1-6 1480m Cyclic Pressure Resistance • Biaxially loaded elbows DN 300 and DN 600 PN 10, 90° • 106 pressure cycles acc. to ISO 150306 between 0,75 x PN and 1,25 x PN (7,5 – 12,5 bar) • Vertification of fitting performance under cyclic internal pressure Cyclic Pressure Resistance 75 70 65 60 Pressure, bar 50 Design Pressure of the pipe (PN 16) Failure pressure after 1 million pressure cycles (18-30 bar) Failure pressure after 1 million pressure cycles (12-20 bar) pressure cycling 18-30 bar pressure cycling 12-20 bar 45 40 35 30 25 20 15 10 5 Working pressure PN 16 0 0 2 4 6 8 10 999990 999992 999994 999996 999998 1000000 Pressure cycles, n Approx. 50 bar 55 Abrasion Resistance • After 20 years operation and 2000 flushes no significant abrasion on liner layer (no damages spigot could be detected) Spigot and abrasion indicator FWC Coupling DN αmax ≤ 500 3° 600 – 900 2° 1000 – 1400 1° ≥ 1500 0,5° FWC Couplings, Flexibility, Tightness and Reliability Angular cuts Radius 115m (L=6m) 38 m (L= 2m) Angular Cuts, Cost savings • • • • Concrete blocks, 24 pcs.a` € 10.000, Installation time 3 weeks less Lower costs for pipe line Hydraulic advantage 6 cent / kWh 50 years a` € 5.400,- Total savings HPP Sill, A, DN 2400, 1750 m, Q= 13 m3/s € -240.000,-75.000,-100.000,-270.000,685.000,- Lightweight Pipes • Light weight • Easy handling • Easy installation HPP Kleewein A, 2002 DN 300 PN 6, 10 L = 3m Embedding in gravel 0 – 30mm HPP Schwarzach A, 2006 DN 1600 PN 16 Test 24bar 4000 m 9,9 MW output Electricity for 15000 homes HPP Penz A, 2009 DN 2400 PN 5 2900 m HPP Kleewein A, 2002 Creek crossing DN 300 PN 6 – 10 SN 10000 Above ground 100 Years Life Expectancy HPP Sokolna BG, 2008 DN 1200 PN 6, 10 1500m No corrosion UV resistant Longest Lifetime, HOBAS GRP Pipelines DN 2400 PN6 250 HPP Pipelines in 50 Years Best Performance HOBAS GRP Pipelines Thank you
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