Enwere ike ịhọrọ ntọala ikpo n'okwu ndị a

1. Enwere ike iji ntọala ikpo ọkụ mee ihe mgbe ntọala adịghị ike na ntọala okike enweghị ike izute ihe ndị a chọrọ nke ike ntọala na nrụrụ.

2, mgbe enwere ihe siri ike chọrọ maka nrụrụ ụlọ, ekwesịrị iji ntọala ikpo.

3. Okpokoro ntọala kwesịrị iji mgbe ụlọ elu ma ọ bụ ihe owuwu nwere ihe pụrụ iche chọrọ maka ịmachi tilt.

4. Ekwesịrị iji ntọala ikpo ọkụ mee ihe mgbe ntọala ntọala nwere mmetụta n'otu ụlọ dị n'akụkụ.

5, arọ otu-storey ulo oru osisi na nnukwu tonnage arọ ọrụ kreenu, kreenu ibu bụ nnukwu, Ugboro ojiji, ogbako akụrụngwa n'elu ikpo okwu, ok ntọala, na n'ozuzu nwere ala ibu, otú ntọala deformation bụ nnukwu, mgbe ahụ ikpo ntọala nwere ike ji mee ihe.

6, nkenke akụrụngwa ntọala na ike n'ibu ntọala, n'ihi deformation na kwere amplitude nwere elu chọrọ, na-ejikarị ikpo ntọala.

7, ala ọma jijiji ebe, na liquefiable ntọala, ojiji nke ikpo ntọala site liquefiable ala oyi akwa na ịgbatị n'ime ala ok anụ oyi akwa, nwere ike iwepụ ma ọ bụ ibelata mmebi nke liquefaction na ụlọ.