Necessity of well foundation to be rested on rock below or sufficient hard soil strata ? Role of friction in piles in sandy soils?

تم إضافة السؤال من قبل Yam Nath Bhattarai , A Class Contractor,International Contractor,National Consultant , Full Bright Consultant,Lumbini builders,ItecoNepal,San Jose Nepal
تاريخ النشر: 2014/12/14