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H-20 and HS-20 loading - Invisible Structures

10,000 lbs40,000 lbs10,000 lbs40,000 lbs40,000 lbsH-25 LoadingHS-25 LoadingRainstore3 has been independently eld and labaratory tested to meet H-20 Bridge , Gravelpave2, and Slopetame2 can withstand 15,940 psi with ll material (109,906 kPa) or lbs/sq ft. **Tested 3 and HS-20 loading8000 lbs32,000 lbsH-20 Loading8000 lbs32,000 lbsHS-20 Loading32,000 Load Sample CalculationWheel load = WL= 16,000 lbs (32,000 lb axle / 2)Dynamic Force = Fd = (20% greater than static force)Spread Area = A = 1496 si (12 cover w/45 degree angle)Weight of base = dy = psi (12 road base @ 140 lbs/cf ) va = (WL x Fd / A) + dy va = (16,000 lbs x / 1496 si) + lbs va= psi (95 kPa) on Rainstore3 Surface Pressure 32,000 for the rear axle32,000 lbs / 2 tires per rear axle = 16000 lbs 200 square inches contact* (20 x 10 )16000 lbs / 200 sq inches = 80 psi 80 psi (552 kPa) static*AASHTO Tire Contact Arearev 7/2015

10,000 lbs 40,000 lbs 10,000 lbs 40,000 lbs 40,000 lbs H-25 Loading HS-25 Loading Rainstore3 has been independently ˜eld and labaratory tested to meet H-20 Bridge Loading.

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Transcription of H-20 and HS-20 loading - Invisible Structures

1 10,000 lbs40,000 lbs10,000 lbs40,000 lbs40,000 lbsH-25 LoadingHS-25 LoadingRainstore3 has been independently eld and labaratory tested to meet H-20 Bridge , Gravelpave2, and Slopetame2 can withstand 15,940 psi with ll material (109,906 kPa) or lbs/sq ft. **Tested 3 and HS-20 loading8000 lbs32,000 lbsH-20 Loading8000 lbs32,000 lbsHS-20 Loading32,000 Load Sample CalculationWheel load = WL= 16,000 lbs (32,000 lb axle / 2)Dynamic Force = Fd = (20% greater than static force)Spread Area = A = 1496 si (12 cover w/45 degree angle)Weight of base = dy = psi (12 road base @ 140 lbs/cf ) va = (WL x Fd / A) + dy va = (16,000 lbs x / 1496 si) + lbs va= psi (95 kPa) on Rainstore3 Surface Pressure 32,000 for the rear axle32,000 lbs / 2 tires per rear axle = 16000 lbs 200 square inches contact* (20 x 10 )16000 lbs / 200 sq inches = 80 psi 80 psi (552 kPa) static*AASHTO Tire Contact Arearev 7/2015


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