Inshuti zakoze ku nyubako zizi icyo kubaka ikiraro giteye ubwoba cyane? Amazi ashoka.
Iyo icyuho kiri hagati y’ibirundo kidashoboye gufungwa neza, amazi atwara imyanda azanyuramo. Icyobo cy’ibanze gihinduka "icyobo cy’amazi", kandi imbaraga zo kuvoma amazi zizananirwa. Gahunda y’umushinga izatinda kurushaho. Niyo mpamvu imishinga myinshi, iyo uhisemoImiyoboro yo gufunga Interlock, gushyira imbere "imikorere yo gufunga" nk'ikintu cy'ingenzi kurusha ibindi.
Imigozi gakondo y'icyuma cyangwa imigozi isanzwe izengurutse akenshi igira icyuho gito ku ngingo bitewe n'ihindagurika ry'inyubako. Iyo ihuye n'umuvuduko mwinshi w'amazi cyangwa ihuye n'impinduka z'amazi, gusohoka ntibishoboka. Ariko, imigozi yagenewe gufunga imigozi ifite imiyoboro yihariye yo gufunga n'inyubako zo gufunga impande zombi z'umubiri w'ikirundo. Mu gihe cyo gushyiramo imigozi, imiyoboro ibiri yegeranye irafungana mu buryo busanzwe, kandi hamwe n'ibikoresho bihagarika amazi, ishobora "kudasohoka na gato".
Reka tuvuge ku miterere -Imiyoboro y'icyuma ifite ishusho ya cylindrical, ari imiyoboro y'icyuma ifite uruziga gusa. Kuki ari uruziga? Impamvu ni iyoroshye cyane: Igice cy'uruziga gifite ubukana bungana bwo gupfukama mu mpande zose. Mu gihe cyo gushyiramo ibirundo, imbaraga zirakwirakwira ku buryo bungana, kandi ntabwo bishoboka ko zihindagurika. Muri icyo gihe, ubuso bw'uruziga bufite uburyo bwo gukwirakwira mu butaka, kandi ubushobozi bwo gutwara ikirundo kimwe buri hejuru y'ubw'imiyoboro kare ifite igice kimwe. Iyo ikoreshejwe muri cofferdams, ntishobora kuziba amazi gusa ahubwo ishobora no kwihanganira uburemere, ikagera ku nyungu ebyiri hamwe n'igisubizo kimwe.
Itsinda ryacu rya Cangzhou Spiral Steel Pipe Group rimaze imyaka irenga 30 muri uru rwego (ryashinzwe mu 1993, rifite ubushobozi bwo gukora toni 400.000 ku mwaka n'umutungo wa miliyoni 680 z'amayuan). Ubunararibonye bukomeye twabonye ni uko ku miyoboro y'ibyuma ikoreshwa muri cofferdam, umuntu adakwiye kwita gusa ku bunini n'umurambararo w'urukuta, ahubwo no kumenya neza uburyo ibice bifatanye bitunganywa ari cyo kimenyetso cy'ukuri cy'ubuziranenge. Niba uburyo bwo gufunga butari bwemewe gato cyangwa umuyoboro wo gufunga ukaba ufite ubujyakuzimu bwa milimetero 0.5, ntushobora guhuzwa neza mu gihe uzaba washyizwe aho hantu.
None se ubutaha uzakora igishushanyo mbonera cy’aho kubaka cyangwa igishushanyo mbonera cy’urufatiro rw’inyubako, kuki utakwibaza iki kibazo: Ese ibipfunyika bifatanye by’ibi bipfunyika by’imiyoboro y’icyuma birinzwe? Niba uhisemo neza, ushobora kuzigama amafaranga ya miliyoni z’amadolari mu gusana imyanda mu gihe kizaza - ibi si ugukabya, ni ukubara amakuru nyayo aho imirimo y’ubwubatsi izabera.
Igihe cyo kohereza: 17 Mata 2026