Vorgefertigte Drain (Wick Drain)

The SPB-A/B/C/D prefabricated vertical drains is the new material of reinforcement of ultra-soft ground and soft soil. Reinforcement of soft soil of it’s mechanism, design, construction equipment is the same with sand wick. Our factory is specialized in producing Prefabricated Vertical Drains. Our products are identified in quality by the national testing agencies for professional research. Various technical indicators have reached the design requirements, products are strictly in accordance with the process and industry standards JTJ/T257-96 in producing and self-test to ensure high quality products. Welcome to the new and old customers to come here ! itemTest performanceunit modelremarkSPB-ASPB-BSPB-CSPB-DPlastic drain boardSection measurementwidthmm100 ± 2100 ± 2100 ± 2100 ± 2thicknessmm≥ 3.5≥ 4.0≥ 4.5≥ 5.5Vertical tonnagecm3/s ≥ 15 ≥ 25 ≥ 40 ≥ 60 350kPa side pressuretensile strengthkN/ 10cm>1.0 >1.3 >1.5 >1.5 kN/ 10cm pullextension rate% <10 <10 <10 <10 kN/ 10cm pullfiltration membraneSeepage coefficientcm³/s≥ 5x10-4≥ 5x10-4≥ 5x10-4≥ 5x10-424apertureµ/m<75<75<75<7598tensile strength Vertical dry state N/cm ≥ 15 ≥ 25 ≥ 30 ≥ 35 10% extension rateLateral wet state N/cm ≥ 10 ≥ 20 ≥ 25 ≥ 30 15% extension rateCore boardAppearancePie form, middle rolled as a roundStructureBelt pressed to be harmonica shapeRaw materialPP, PEAntibacterial indexNo bacteria breedingpackinglengthm200 ± 240’ containerm 126,000Outer diameterm1.20Iner diameterm0.16