I wonder if an ultimate skin friction shall be used for the determination of the minimum pile embeddment against frost heave.
I have seen some soil reports suggest to use factored ultimate resistance skin friction to determine the min. pile embeddment. In this case, a factor of 0.3 will be...
My Client has a recip compressor unit that is experiencing vibration issue. The overall vibration magnitude is about 0.5 ips at 1000 rpm at the distance piece support I beam. However, the manufacturer review and conclude that most of the vibration is beyond 2X operating frequency, which means it...
Does anyone know what would be the vibration induced by , say, pile driving or dirt compaction equipment, on the underground pipeline. I once was told about a certain shear wave velocity values or something which I forgot.
I am working on the foundation design for Flowserve DMX centrifugal pumps. I wonder if anyone knows how to calculate the unbalanced forces and couples for these pumps. I have been waiting for the vendor to answer my question but so far I haven't heard back from them. But I would like to have...
My Client wants me to check if the HDPE pipeline is ok under the earth and vehicle load. Could someone kindly point me to the article, specfications, formulas that I can base my calcualtion on?
Thnaks
I wonder how to estimate the bearing capacity for clay fill over muskeg with woven geotextile in between. Clay fill is between 4 to 9 feet and muskeg is about 3 to 6 feet. Liner is Nilex woven geotextile W300.
I am working on a asphalt pavement design within a plant. I would like to know how to estimate ESALs for crane. I have trouble finding information about crane ESALs on the web page...
I am confused with basic principal of drained shear strength.
In drained condition, the pore water pressure dissipate and the load will be carried by the soil grain itself. In this case, the effective soil density is the total density of the soil. But if the soil is below the groundwater level...
I am working on a pipeline project which my Client is asking me for the soil design parameters (density, cohesion, friction angle) for his pipeline stress analysis. We did the soil investigation for this line which i can estimate the insitu soil parameter. However, I know that the contractor...
I wonder if there is any paper that discuss the concepts in choosing the thickness of the gravel require for the large fixed roof oil tank foundation (Dia > 58m, Height ~ 18 m)with internal columns. (no concrete ring wall)
