Kusefera kwa Tunnel ya Sitima ya Sitima ya Sitima yapamtunda yamagulu atatu

● Nkhani Zatsopano: Uwu ndi mtundu watsopano wa ngalande wa ngalande wopangidwa ndi geotextile wa mbali zitatu wopachikidwa pakati pa singano ziwiri zokhomeredwa ndi ma geotextiles osawomba.

●Mapangidwe Apamwamba:

Nthiti zooneka ngati zitatu zokhuthala zimawonjezera kulimba.

Nthiti zopindika pamwamba ndi pansi zimathandizira kuti madzi aziyenda bwino.

●Kuchita Bwino Kwambiri:

Ntchito mu kusefera, ngalande, mpweya wabwino, ndi chitetezo.

Moyenera m'malo chikhalidwe mchenga ndi miyala kachitidwe.

● Kusamalira Madzi Moyenera:

Mofulumira kukhetsa madzi apansi panthaka.

Imatchinga madzi a capillary pansi pa katundu wambiri womanga.

Imasunga makulidwe abwino kwambiri kuti madzi aziyenda bwino.

● Ubwino Wowonjezera:

Amapereka kudzipatula kwa maziko.

Imalimbitsa umphumphu wamapangidwe.