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Kreenu osisi rụzie: mkpa ka ị mara?

Kreenu ibé mkpa maka eweli akụrụngwa. Ha kwesịrị ka a pụrụ ịdabere na na inogide. Nọkwasịrị n'ịnyịnya na kreenu mesikwuru ihe ibé na ogidi headroom ulo oru ụlọ, ma nwekwara ike-kwụsịtụrụ si n'elu ụlọ trusses. Kreenu ibé nke mesikwuru ihe na-eji ọkụ na unheated mmepụta ụlọ na ihe etiti ma n'afọ 18 na 24 m maka echichi nke ot efefe cranes arụ ọrụ na akpa ume na nke sekọndrị mode mpo na a ibu ike nke ruo 32 m. Ha nwekwara ike ga-eji na ramp dị n'èzí. Ndị a na aghụghọ nwere ike idi seismic ịma jijiji ruo 9 ihe. Ha na-mere nke ihe T-ngalaba na ogologo nke na-adịru nke 6 m na a abụọ T -. Bubatara maka 12 m ha armature ka nke nchara na a dayameta nke 14-25 mm na longitudinal direction na na transverse direction na Free nke erughị ala mkwado na longitudinal direction nwere ike ka ígwè na-enwe a dayameta nke 6 -18 mm.

arịọnụ

Ugwu ha ozugbo na ugbo ala. A otu nke ndị ọrụ na-ahụ maka echichi ga iso nke ọ dịkarịa ala mmadụ ise.

Tupu wụnye ngwaahịa mgbasa na a pụrụ iche osisi pad tinyere longitudinal axis nke ụlọ ogidi iji jib kreenu. Nọkwasịrị n'ịnyịnya na kreenu osisi rụzie 6 m na chọrọ ọnọdụ nkịtị agazu na nko (ma ọ bụrụ na ihe bụ ọzọ, mgbe na-eji a na-agazu na nkpa nile). N'oge na nrigo, ọ ẹkenịmde a pụrụ iche nkwado iji zere mmetụta na ogidi nke ụlọ. Mgbe ahụ ka okporo osisi na-kwekọọ na ịdị elu na na okwu nke na-eji Jack. Mee a spacer nke chọrọ ọkpụrụkpụ, nke na-ahụ nwetara na arịlịka bolts. Akpa, nwa oge nkwado a rụrụ, mgbe ahụ, na-emepụta itinye n'ọnọdụ datum ọnọdụ na nanị mgbe ahụ na-adịgide adịgide ofu Ọdịdị.

ígwè owuwu

Kreenu girder ígwè, mere ịgbado ọkụ, ogologo nke bụ 6 12 m na, na cross-ngalaba na-I-ibé. Ha na-mere elu nke atọ Ibé akwụkwọ. N'elu kọlụm imewe dị otú ahụ ụlọ, mere si metal ma ọ bụ ihe, nakwa dị ka na kọlụm racks dị n'èzí. Ha nwere ike idi okpomọkụ ala -65 ° C na seysmoudary 9 ihe (yana idobe okirikiri).

Dị otú ahụ kreenu ogidi ntụhie na-arụnyere ot efefe electric cranes na a na-ebuli ike ruo 50 tọn mere maka ọrụ nke na-ajụ na arọ ọnọdụ. Metal kreenu ogidi ntụhie na-mere nke abụọ na ụdị: nkịtị na ọgwụgwụ, nke bụ n'akụkụ aka n'akụkụ nke ụlọ ahụ ma na thermal seams. The ígwè nke ha na-mere, - bughi welded si C29 ka C44. Isi welds ga-n'ụzọ zuru ezu esie ya na (ọ dịghị voids). Ha na-primed na-ese. Ndị a na aghụghọ ga-abịa akara. The na-akanye na-egosi na iji nọmba, na-eru ọtụtụ, ndị nnọchiteanya nke okporo osisi na a Oghere Usoro n'ichepụta nọmba. Ngwaahịa ga-anapụta zuru ezu na-arịọnụ spacers ke ichekwa hà ọnụ ọgụgụ nke natara aghụghọ. Ọ bụ amanyere bụ iwu na ngwa nke teknuzu akwụkwọ.

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