Lezi zinqwaba zivame ukusetshenziselwa ukugcina izindonga, ama-cofferdams, nezinye izinhlelo zokusebenza lapho kudingeka khona isithiyo esinamandla nesithembekile. Ukuqonda ubukhulu bezinqwaba zensimbi ezimise okwe-U kubalulekile ekuqinisekiseni impumelelo yanoma yimuphi umsebenzi ohilela ukusetshenziswa kwazo.
Kodwa-ke, kunezinye izilinganiso ezijwayelekile ezivame ukusetshenziswa embonini. Lezi zinqwaba zivame ukuza ngobubanzi, ububanzi, nobude obuhlukahlukene, okuvumela ukuguquguquka ekwakhiweni nasekwakhiweni. Ubukhulu bezinqwaba zensimbi ze-U Type bungasukela ku-8mm kuya ku-16mm, kanti izinqwaba ezibanzi zinikeza amandla nokuqina okukhulu. Ububanzi balezi zinqwaba bungahluka kusuka ku-400mm kuya ku-750mm, okunikeza izinketho zamandla ahlukene okuthwala umthwalo kanye nezimo zenhlabathi..
Ngaphezu kobukhulu obujwayelekile, izinqwaba zensimbi zase-China U nazo zingenziwa ngokwezifiso ukuze zihlangabezane nezidingo ezihlukile zephrojekthi. Lokhu kungabandakanya ukudala izinqwaba ezinobukhulu obungajwayelekile, ububanzi, noma ubude ukuze kuhlangatshezwane nezidingo ezithile zomklamo.
Sekukonke, ukuqonda ubukhulu bezinqwaba zensimbi ezimise okwe-U kubalulekile ukuqinisekisa impumelelo yanoma yimuphi umsebenzi wokwakha noma wobunjiniyela bezakhiwo. Ngokucabangela ngokucophelela izidingo ezithile zephrojekthi nokukhetha ubukhulu obufanele kakhulu bezinqwaba, onjiniyela kanye nabakhi bangaqinisekisa ukuthi izakhiwo zabo zakhiwe ukuze zihlale isikhathi eside.
Ikheli
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Isikhathi sokuthunyelwe: Ephreli-28-2025