Abahlobo abakhe basebenza kwiindawo zokwakha bayazi ukuba yintoni eyona nto yoyikwa kakhulu lulwakhiwo lwe-embankment? Ukuvuza kwamanzi.
Xa izikhewu phakathi kweenqwaba zingasakwazi ukuvalwa kakuhle, amanzi athwala inkunkuma aya kuphuma. Umngxuma wesiseko uya kuba "ngumngxuma wamanzi", kwaye imizamo yokumpompa ekugqibeleni iya kusilela. Ishedyuli yeprojekthi iya kulibaziseka ngakumbi. Yiyo loo nto iiprojekthi ezininzi, xa ukhethaIipayipi Zokufaka Iipayiphu Zokuvala I-Interlock, ukubeka phambili "ukusebenza kokutywina" njengento ephambili.
Iingqumba zesinyithi zemveli okanye iingqumba zepayipi eziqhelekileyo ezijikelezileyo zihlala zinezikhewu ezincinci kwilungu ngenxa yokuphambuka kolwakhiwo. Xa ziphantsi koxinzelelo lwamanzi oluphezulu okanye zidibana notshintsho lolwandle, ukuvuza akunakuphepheka. Nangona kunjalo, iingqumba zepayipi ezenzelwe ngokukodwa ukutywina okudibeneyo zineendawo zokutywina ezizimeleyo kunye nezakhiwo zokutshixa kumacala omabini omzimba weengqumba. Ngexesha lenkqubo yokufaka iingqumba, iingqumba ezimbini ezikufutshane ziyavaleka ngokwemvelo, kwaye ngezinto zokumisa amanzi, ngokusisiseko zinokufikelela "ekungavuzi konke konke".
Masithethe ngemilo -Iingqumba zeMbhobho yeNsimbi ezineMilo yeSilindrical, eziyimibhobho yentsimbi esisilinda nje. Kutheni iyisilinda? Isizathu silula kakhulu: Inxalenye enqamlezileyo ejikelezayo inokuqina okufana kakhulu kokugoba kuzo zonke iindlela. Ngexesha lenkqubo yokufaka inqwaba, amandla asasazwa ngokulinganayo, kwaye akunakwenzeka ukuba aphambuki. Kwangaxeshanye, umphezulu ojikelezileyo unokusasazwa okufanelekileyo kokumelana nokungqubana emhlabeni, kwaye amandla okuthwala inqwaba enye aphezulu kuneemibhobho zesikwere ezinenxalenye efanayo. Xa isetyenziswa kwi-cofferdams, ayinakuvimba amanzi kuphela kodwa ikwathwala ubunzima, ifumana iingenelo ezimbini ngesisombululo esinye.
Iqela lethu leCangzhou Spiral Steel Pipe Group belikulo shishino kangangeminyaka engaphezu kwama-30 (elasekwa ngo-1993, linomthamo wonyaka wemveliso weetoni ezingama-400,000 kunye neeasethi ezingama-680 ezigidi zeeyuan). Amava anzulu esiwafumeneyo kukuba kwiinqwaba zemibhobho yentsimbi esetyenziswa kwi-cofferdam, umntu akufuneki acinge kuphela ngobukhulu bodonga kunye nobubanzi, kodwa ukuchaneka kokucubungula iindawo ezidibeneyo luphawu lokwenyani lokuthembeka. Ukuba indlela yokutshixa ayilunganga kakuhle okanye umngxuma wokutywina ungaphantsi kweemilimitha ezingama-0.5, awuyi kukwazi ukuxhunywa ngokuqinileyo xa ufakwe kwindawo leyo.
Ngoko ke kwixesha elizayo xa uyila i-cofferdam okanye isicwangciso sokuxhasa umngxuma osisiseko esinzulu, kutheni ungazibuzi lo mbuzo: Ngaba izitywino ezidibeneyo zezi Piles zeNtsimbi ezisilinda zithembekile? Ukuba ukhetha ezifanelekileyo, ungagcina izigidi zeerandi kwiindleko zokulungisa ukuvuza kwixesha elizayo - oku akusiyo into yokugqithisela, kukubhala ngokwenene kwindawo yokwakha.
Ixesha leposi: Epreli-17-2026