أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Inadequate information on soil bearing capacity.
Ignorant ecnomic designs.
Inexprienced contractors & designers.
Selection of inappropriate or selecting cheap materials.
Workers make mistakes.
The load is heavier than expected.
The strength isen't tested.
