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thank you for these answers, it will be very helpful. since the expansion joint is corrugated, the diameter is bigger and the effective area include those corrugated things. the transaxial compression is the perpendicular force pushing on the side of the expansion joint that it can handle...

Hi, those anyone knows the following coefficients for EPDM rubber expansion joint PROCO style 233: - Poisson's ratio - Young modulus - Transaxial compression - Expansion coefficient - Effective surface We need those coefficient for finite element calculation and be sure it will resist to...

yes

Hi, Does somebody know the recommended velocity in piping for water with pulp in suspension having 2-8% consistency? Thank you.

Hi, I would like to know how to calculate the pressure on a steel silo wall created by dry grain. The floor of the silo is flat and made of concrete. Thanks for help!

the thing is that I don't want water to freeze on the truck when it's washing. I think that some electric heaters blowing hot air on the truck will be appropriate. But what is the kw and cfm needed?

Hi, I'm trying to find the heat load to warm up a 70 tons truck within 8 hours, from -40 deg C to 15 deg C. I found 246 kW*h. Is that ok? How the heat should be distribute on the truck? Any ideas? Thanks!

Thanks amorrison! I'll beware of falling ice!

good point! yes the truck arrive at the wash bay. The motor is hot but the steel frame, which as to be washed before any maintenance, is cold, very cold! And it has to be warm up before washing it to prevent freeze on the steel frame. I want the truck to be warmed and washed into 2 hours. I will...

the truck used are carrying rocks and soil to produce iron ore. During the winter the climate can drop down to -40 deg C. I think heating the building properly and using hot water will be a good idea. But i have to calculate how long it is gonna take to warm up the steel of the truck before...

Hi, To perform any maintenance on 240 tons trucks in the wash bay, the trucks require considerable heating time to ensure the water doesn't freeze to the trucks during winter time. The building is heated. Is there any other way to heat the truck faster than in 6 hours using steam heaters from...

Hi, Does somebody know what I should use to cut rubber 3/8'' thick stuck into a wooden flume? I heard that a concrete saw with a steel blade and using water + dishes soap will prevent the rubber to stick on the blade. Thanks for advises. JP.

ok! I'll remember. Thanks! JP.

yes! and by weight...the concentration should be 0.1% of solid in water??

OK..the 1000 ppm is by weight

I don't know the water temperature but i suppose it's around 15 deg C. what can be the results between the percent by volume and the percent by weight?

ok..181 lb/ft^3 is the density of iron ore crusehd (dust)..sorry i did'nt specify before. no i don't have it...i only have flow rate of slurry 70 gpm

ok thanks. but the density iron should be 181 lb/ft^3 and it's not the total density. where 480 lb/ft^3 come from?

hi, i have 1000 ppm of iron (density = 181 lb/ft3) mixed with water. i'm trying to find the solid concentration in %. thanks

Hi, I have 70 usgpm of slurry containing dust. Dust at 600 lb/hr is mixed with water. I'd like to know the solid concentration (weight) in %. Thanks.