Mwepu
Mgbidi mmiri ndị e wuru n'akụkụ oke osimiri, bụ ihe arụrụ arụ hydraulic dị mkpa iji nagide ebili mmiri, ebili mmiri ma ọ bụ mgbawa maka nchekwa osimiri.Mmiri Breakwater na-eweghachi ma na-echekwa oke osimiri site na ịkwụsị ike ebili mmiri, na ikwe ka ájá gbakọta n'akụkụ oke osimiri.
E jiri ya tụnyere tranditonal rock fill, polypropylene geotextile tubes na-adịgide adịgide nwere ọnụ ahịa mbelata na saịtị site na ibelata mbupụ ihe onwunwe na njem.
Ọmụmụ ihe
Ihe oru ngo： Chongqing Chansheng Osimiri Dredging
EbeỌnọdụ: Chongqing, China
Osimiri changsheng dị na mpaghara Chongqing, nke nwere mpaghara basin nke 83.4km2 na ogologo osimiri nke 25.2km.Osimiri ahụ na-agba ọsọ emetọwo nke ukwuu ruo ogologo oge, na-enwe nsogbu ndị dị ka mkpochapụ nke mmiri mmiri, mmebi nke ọkpọkọ mmiri mmiri, ezughị ezu isi mmiri mmiri na mbibi nke mgbidi, wdg, na-akpata adịghị mma gburugburu ebe obibi nke osimiri changsheng na ịda ogbenye. ikike ịchịkwa ide mmiri.N'afọ 2018, gọọmentị ime obodo kpebiri iji tubes geotextile dọpụta osimiri ahụ.
Ọrụ a malitere n'October 2018 wee ruo December 2018. Ngụkọta ego nke silt a na-agwọ n'akụkụ osimiri bụ ihe dịka 15,000 cubic meters (90% water content).Honghuan geootube eji na oru ngo a dị mita 6.85 n'obosara na mita 30 n'ogologo.
Dị ka nkà na ụzụ iji mee ka usoro nsị sludge dị mfe, a na-eji nwayọọ nwayọọ gbasaa usoro mmiri nke geootube.
Nke mbụ, a na-emeso sludge ahụ na flocculant wee jupụta na geotube.sludge ahụ echekwara ga-anọgide na tube ma mmiri ga-esi na pores nke tube ahụ pụta.A na-emeghachi usoro a ruo mgbe tube geotextile ruru ogo kachasị elu.
Ngwaahịa ndị emetụtara
Ọkụ Geotextile maka Nchekwa Costal