(1)Ihe ibu dị
Dịka atụmatụ na nkọwapụta owuwu nke akwa okporo ụzọ si dị nke Ministri nke Ụgbọ njem nyere, ọnụọgụ ibu dị ka ndị a:
Ọnụọgụ ibufe nke ụdị mgbasa na ihe ndị ọzọ mgbe a wụsara simenti igbe girder: 1.05;
Ọnụọgụ ike nke simenti a na-awụsa:1.2
Mmetụta nke Onye Njem Ụdị Na-agagharị na-enweghị ibu: 1.3;
Ọnụọgụ nkwụsi ike nke iguzogide mgbanwe mgbe a na-awụsa simenti na Form Traveler: 2.0;
Ihe nchekwa maka ojiji nkịtị nke Form Traveler bụ 1.2.
(2)Ibu ibu n'isi ihe e ji ebu ibu nke Form Traveler
Ibu ihe mkpuchi igbe: Ibu ihe mkpuchi igbe iji were ngụkọta kachasị ukwuu, ịdị arọ ya bụ tọn 411.3.
Ngwa owuwu na ibu ndị mmadụ: 2.5kPa;
Ibu sitere na mkpofu na ịma jijiji nke simenti: 4kpa;
(3)Nchikota ibu
Njikọ ibu nke ike na nlele ike: Ibu simenti+Ụdị Ibu onye njem+ngwa eji arụ ọrụ+ibu ìgwè mmadụ+ike ịma jijiji mgbe nkata ahụ na-agagharị: ibu nke Onye njem Form+ibu mmetụta(0.3*ibu nke Onye njem Form)+ibu ifufe
Lee nkọwapụta teknụzụ maka iwu àkwà mmiri okporo ụzọ na ihe ndị metụtara ọwara mmiri:
(1) Njikwa ibu nke Form Traveler dị n'etiti ugboro 0.3 na 0.5 nke ibu simenti nke simenti a na-awụsa.
(2) Mgbanwe kachasị ekwere (gụnyere ngụkọta nke mgbanwe sling): 20mm
(3) Ihe nchekwa nke mgbochi ntụgharị n'oge owuwu ma ọ bụ ịkwaga: 2.5
(4) Ihe nchekwa nke sistemụ ejiri aka ya kwado onwe ya:2