Guessing contractors finally tired of remove and re-compaction below footing and due to design-build approach, contractors propose using steel posts driven by pneumatic hammer below the shallow foundation. I read through the threads that the steel posts (or mini piles) are to be driven to...
thread256-377062
This was a very interesting subject. Please correct me if I am wrong, if the soil report said allowable soil bearing is 1,500 psf (assuming it is the maximum allowable value. unclear that if any special foundation preparations are needed) for footing founded between 0-10 feet...
thread158-324442
This is a very interesting subject. Not too many books discuss about identifying and/or dealing with "pumping" of subgrade soils, as well as the technical reason(s) of the phenomenon (may be excessive pore pressure, particular soil grain, or pumping soils situated over dense...
Instead of installed caisson per plan, the contractor proposed alternatives to install steel H-piles. What's more, they dont want to bring large enough crane with hammer. They have been fighting with us stating that these H-piles can be installed by their vibratory hammer mounted on their...
Dear Professional, may I ask what is the differential settlement deflection value with an associated span such as 1/2" over a 40-50 linear-foot span.
Is this derived from calculation fro lab data? Our office derive it from the NAVFAC figure...
I was told that this is also based on building...
