Ịse Ihe osise
Ihe achọrọ 400M:
Nhazi ntọala
Asphalt ntọala chọrọ
Ụlọ ọrụ mmiri
Ntinye akụkụ agbakwunyere:
Ihe achọrọ asphalt dị elu:
1. Jiri ihe mgbakwasị ụkwụ na mmiri na-ekpuchi elu ala ma mechie oghere dị na kọmpat asphalt.
2. Mee nyocha mmiri iji chọpụta ihe ịda mbà n'obi.
3. Jiri ihe ndị dị na mmiri na-eme ka mmiri jupụta n'ime ala ịda mbà n'obi, ma jiri ogologo oge karịa ngwaahịa ahụ.
Ogwe kwụ ọtọ nke nwere obosara mmiri nke 2m kwesịrị ịkachasị ya ugboro ugboro na-enweghị ọkpụkpụ ọ bụla. ebili mmiri na-adịghị agbanwe agbanwe.
4. Gbalịa mee ka mkpọda dị ka ntụziaka drainage si dị.
5. Jiri nkume grinder na-egweri elu convexity.
6. The dum igwe na-egbu maramara na-etolite a ire ụtọ, idiocha na ike ike elu, mfe ijikọ isi elu ike.
Simenti:
1. Lelee flatness nke ntọala,
2. Jiri nkume grinder na-egweri elu convexity,
3. Mejue ebe ezumike dị ala na ihe ndabere mmiri,
4. Na-ehicha, bee ma na-ekpochapụ nkwonkwo mgbasawanye n'ime ọnụ nke V, n'ime ime ahụ jupụtara na ụfụfụ ụfụfụ ma jupụta na gluu ọkachamara ọkachamara.
5. Mgbe n'ozuzu larịị, elu ga-ọkachamara waterproofed.
Nwụnye:
Kedu akụrụngwa egwuregwu kwesịrị ịkwado maka usoro egwu na ubi ubi 400m:
Mwụli elu na njem ịwụ elu
Ogwe osisi
Metal okirikiri maka Hama
Nhazi nke Achors maka IAAF nnabata nnabata
Ihe mgbochi alumini nwere ike ịpụpụ
