If due to cost or other limitations the drainage solution cannot be adopted, we are still facing the problem of defining the water pressure on the basement. Will a triangular assumption be reasonable (i.e., the water pressure reduces linearly from one end to the other end)?
GeoPaveTraffic, thanks. As the slab is designed as ground bearing, do you have any concern on the impact of the running water underneath the slab on soil bearing capacity, settlement, and other potential erosion related problems?
Recently I was involved in a project that a Sports Hall is to be constructed on a sloping groud. In the final condition there will be a retaining wall 3.5m high above the slab level on one side of the Sports Hall, and on the opposite side of the Sports Hall, some excavation is required to reduce...
BigH and Eric, thanks, that is useful. What you described is to avoid the problem (I will term this as active approach). I would like to hear your views when the active approach cannot be adopted and we have to design the basement to resist the uplifting water pressure (i.e, the passive...
BigH, thanks for your reply. Probably I need to put my question this way by giving an example:
Assuming the basement is 3m below ground level and the water table is 0.5m above basement level. When we design the retaining wall we usually assume the watertable is 1m below ground level to work out...
You might need to define the vibration criterion first. The vibration requirement for a normal machine, a machine in an operation theatre, or one used in semi-conductivity industry can vary significantly. For theory I would recommend J. Biggs' book, for design purpose you can find quite a few...
Hi,
I wonder whether anyone can help me on the following issue:
When we design a retaining wall we need to consider the worst waterpressure situation, i,e, the worse case between site measured water table and assumed water table (roughly about 1m below ground level), but do we need to adopt the...
