Suite yepamusoro yemurwi wesimbimasisitimu ari kugonesa kuvaka mabhiriji nekukurumidza kwechitima chinomhanya pamapurojekiti makuru akati wandei kuNorth America, Latin America neAsia. Mishumo yeinjiniya inoratidza kuti mhinduro yakawedzerwa yakavakirwa pamhando dzesimbi dzakasimba, matekiniki ekuisa modular uye dziviriro iri nani yengura inobvumira kudzikiswa kukuru kwenguva yekuvaka nheyo, ukuwo ichiwedzera kugadzikana kwenguva refu kwechivako.
Vatungamiriri vepurojekiti pamugwagwa wechitima unomhanya zvikuru weUS West Coast vanoti chirongwa ichi chave chemazuva anomurwi wepepaSisitimu iyi inokurumidza kuvaka Cofferdam, inoderedza kudiwa kwemidziyo inorema, uye inowedzera kuchengetedzeka munzvimbo dzine mvura yakawanda uye dzakapfava. Iyi tekinoroji inogonesa kudzika kwemvura uye kukwanisa kwayo kusimudza zvinhu padivi zvichiita kuti ive yakakodzera maburiro ebhiriji nenzvimbo dzekuchengetedza zvinhu mumamiriro ezvinhu akaoma epasi.
MuMexico neChile, uko kune zvirongwa zvitsva zvechitima pakati pemaguta zviri kuitwa, makondirakiti anoratidza kutiu nyora pepa murwiMhinduro iyi inoita kuti ivhu rirambe richichengetwa zvakanaka uye isingadhuri, inotsigira kucherwa nekukurumidza, uye inopa imwe nzira isingakuvadzi nharaunda pane madziro ekuchengetedza kongiri akasimbiswa. Kugona kwayo kushandiswazve kunoderedza marara ezvinhu uye kuburitswa kwemhepo mumapurojekiti.
Kuvandudzwa kwakakosha kunobva mukushandiswa kwesimbi yakasimba kwazvo inoenderana neASTM/AASHTO standards, zvichibvumiramurwi wesimbi wakaumbwa neukuti vaomerwe nematambudziko anotarisirwa muchitima chinomhanya zvikuru. Mapendi akagadziridzwa anodzivirira ngura anowedzerawo hupenyu hwebasa renheyo zvichipa kugadzikana kwenguva refu kwemabhiriji echitima akagadzirirwa basa kwemakore 80-100.
Vakuru vemadhipatimendi akasiyana-siyana ekufambisa vanoti hurongwa hwekuvandudza zvivakwa huchave hwakakosha mukuwedzera kwechitima chemota dzinomhanya zvakanyanya mune ramangwana. Sezvo mari yekudyara muzvivakwa zvepasi rose ichitarisa kukurumidza kwehupenyu uye nzira yekuvaka ine girini, mhinduro yesimbi inoshanda zvakanyanya ichave ndiyo nzira yekugadzirwa kwemabhiriji matsva echitima.
Sezvo nyika dziri kumhanya-mhanya kuvaka masisitimu echitima chemhando yepamusoro echizvarwa chinotevera, tekinoroji iyi yekutanga yesimbi ichachinja kuvakwa kwemapurojekiti makuru emabhiriji, ichivandudza kuendeswa kwemabasa panzvimbo uye ichipa mabhiriji akasimba uye mhinduro dzinogara kwenguva refu kune zvizvarwa zvevavaki vezvivakwa.
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Nguva yekutumira: Mbudzi-07-2025