Chii chakakoshera kutonhora kuumbwa kwesimbi mirwi mukuvakwa kwe subway tunnel?

Kukosha kweinotonhora yakaita mirwi yesimbimu metro tunnel kuvaka hakugone kuwedzeredzwa. Semutengesi anotungamira pepa murwi, isu tinonzwisisa basa rakakomba U rakaumbwa simbi simbi murwi inotamba mukuona kugadzikana uye kusimba kwemetro tunnel zvivakwa.
Mirwi yesimbi chikamu chakakosha chekuvakwa kwenzira yepasi pevhu, ichipa rutsigiro rwakakodzera uye kuchengetedza zvivakwa zvekuchera pasi pevhu. Iko kushandiswa kweinotonhora yakaumbwa simbi murwi inopa akawanda mabhenefiti, ichiita iyo yekutanga sarudzo yemapurojekiti ekuvaka metro tunnel.
Imwe yemabhenefiti makuru ekutonhora akaumbwa simbi pepa piling isimba rayo rakasiyana uye kusimba. IzviU shaped steel sheet pillsdzakagadzirirwa kukurira kudzvinyirirwa kwepamusoro uye kupa rubatsiro rwakavimbika kune ivhu rakapoteredza uye chimiro. Izvi zvakakosha mukuvakwa kwe subway tunnel, uko kugadzikana uye kutendeseka kwemadziro etunnel kwakakosha pakuona kuchengetedzeka kwevafambi uye hupenyu hurefu hwezvivakwa.
Pamusoro pesimba, kutonhora kwakaumbwa kwesimbi mapepa mirwi inosiyana-siyana uye inodhura-inoshanda. Somunhu ane mbirisheet pile supplier, tinopa zvakawanda zvakasiyana-siyana zvesimbi pepa pile zvingasarudzwa kuti zvizadzise zvinodiwa nemapurojekiti ekuvaka metro tunnel. Yedu simbi yekuisa mitengo yemitengo inokwikwidza uye isarudzo yehupfumi kune vanogadzira uye makondirakiti ari kutarisa kukwirisa mabhajeti avo ekuvaka pasina kukanganisa pamhando.

Pamusoro pezvo, iyo yekumisikidzwa kweinotonhora yakaumbwa simbi mapepa mirwi inoshanda uye inoparadza zvishoma, zvichiita kuti ive mhinduro yakanaka yekuvaka metro tunnel munzvimbo dzemaguta. Kugona kuisa aya mirwi yemapepa nekukurumidza uye nemazvo kwakabatsira kukurumidzira hurongwa hwekuvaka uye kuderedza kukanganisa kunzvimbo yakapoteredza.
Muchidimbu, kukosha kwekutonhora kwakaumbwa kwesimbi mirwi mumigwagwa yepasi pevhu haigone kufuratirwa. Semutengesi anotungamira wepepa remurwi, takazvipira kupa emhando yepamusoro U akaumbwa simbi simbi mirwi inosangana nezvinodiwa zvemetro tunnel mapurojekiti. inotonhora yakaumbwa simbi mapepa mirwi inopa simba repamusoro, kushandiswa kwakasiyana-siyana uye kudhura-kushanda, zvichiita kuti ive yakanakira kuve nechokwadi chekugadzikana uye hupenyu hurefu hwemetro tunnel zvivakwa. Bata nesu nhasi kuti tizive zvakawanda nezve yedu pepa piling mhinduro uye simbi pepa piling mitengo.