Model Number: CSPS F4000-3 Brand Name: QIJIA Key Specifications/Special Features: Specifications: 1. Materialofsteelplate: Q235steelplate2. Thicknessofsteelplate: 1.5-8mm3. Shapes: round, half, arch and oval4. Assembly: annularflanged/nestable5. Depthoffill: 1.5-60m6. Pipediameter: 300-9000mm7. Corrugation: 68*13, 150*50, 200*55, 380*140, 300*110 and 400*150mm8. Antiseptictreatment: hotdipgalvanizedzinc≥610g/m29. Servicelifemorethan70years
10. Standards: JTT791-2010 orAASHTOM36

Main usages:
1.Conduit, culvertandcorrugatedmetalculvertofhighway, railway andwaterway
2.Bridgeandtemporarybridgebearingstructure
3.Citydrainpipe, rainpipe, andsewagepipe
4.Undergroundutilize, undergroundcommonarea
5.Reconstructionandreinforcementofbridgesandculverts

Technical advantages:
1.Highstrength: 1.5-3timesstrongerthanconcrete
2.Lightweight: 1/15-1/5weightofsamespecificationconcreteweight
3.Longservicelife: normallymorethan100years
4.Lowcost: whenthespanislargerthan1m, thebiggerthespanis, themoreobviousitshows
5.Convenientconstruction: noneedoflargemachinery, onlylittlemanualoperation
6.Axialdirection: canbeusedinaseveresedimentationarea
7.Shortenconstructionperiodforabouthalftime, savelaborcharges
8.Availtoimprovingthestructureofthesoftsoilfoundationandtheinterlockingofthejunctionoftheembankment, whichimprovesthecomfortablenessofthecaronthebridge
9.Environmental, lowcarbon: reduceorabandonnormalconstructionmaterials, likeconcrete, yellowsand, cobblestone, andwoods, whichmeansalottoenvironment
10.Convenientmaintenance, evennoneedtomaintainundercertaincondition