Dredging
Seawalls akavakirwa padivi pemahombekombe, akakosha ma hydraulic zvivakwa kuti amire mafungu, masaisai kana masurge ekudzivirira kwemahombekombe.Mabreakwater anodzoreredza uye anodzivirira mahombekombe nekukanganisa simba remafungu, uye achibvumira jecha kuungana pamahombekombe.
Kuenzaniswa ne tranditonal rock fill, yakasimba polypropylene geotextile machubhu ane pa-saiti kuzadza kucheka mitengo nekudzikisa zvinhu kunze uye zvekufambisa.
Nyaya Yokudzidza
Project: Chongqing Chansheng River Dredging
Lcation: Chongqing, China
Rwizi rweChangsheng rwuri mudunhu reChongqing, rine nzvimbo yekugezera ye83.4km2 uye rwizi kureba kwe25.2km.Rwizi rwuri kufamba rwakasvibiswa zvakanyanya kwenguva yakareba, nematambudziko akadai seeutrophication yemvura, kukuvadzwa kwepombi dzemapombi, kusakwana kwemvura uye kuparadzwa kwematombo, nezvimwewo, zvichikonzera kusamira zvakanaka kwenzvimbo yerwizi rweChangsheng uye kushomeka. kugona kudzora mafashamo.Muna 2018, hurumende yemuno yakafunga kushandisa geotextile machubhu kudhonza rwizi.
Iyo purojekiti yakatanga muna Gumiguru 2018 uye yakagara kusvika muna Zvita 2018. Iyo yakazara dhizaini yakabatwa murwizi kosi inenge 15,000 cubic metres (90% yemvura yemukati).Honghuan geotube inoshandiswa muchirongwa ichi hupamhi hwemamita 6.85 uye kureba kwemamita makumi matatu.
Se tekinoroji yekurerutsa maitiro ekubvisa sludge, iyo dewatering system ye geotube yakave yakakurumbira zvishoma nezvishoma.
Kutanga, sludge inobatwa ne flocculant uye yozozadzwa mu geotube.Dope rakaiswa rinoramba riri muchubhu uye mvura inobuda kubva mumapores echubhu.Iyi nzira inodzokororwa kusvika iyo geotextile chubhu inosvika pakureba.
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