Ntchito zapamsewu

Ndi zida ziti za Yichen zomwe zidzagwiritsidwe ntchito pamisewu? Mukagwetsa misewu yakale ya simenti, odula ng'oma a Yichen atha kugwiritsidwa ntchito. Mano ocheka a wodula ng'oma amatha kugaya mosavuta msewu wa simenti kupanga miyala yokhala ndi tinthu ting'onoting'ono. Pamene shrinkage yapamsewu ikukonzedwa, macheka a Yichen amatha kugwiritsidwa ntchito kudula njirayo mwachindunji. Macheka a miyala amatha kudula zitsulo mu konkire ya simenti. Mipiringidzo ya simenti itatha kuchotsedwa njirayo imatha kuphwanyidwa pamalopo ndi ndowa ya Yichen. Zomwe zimaphwanyidwa ndi chidebe chophwanyira ndizofanana kwambiri komanso zoyenera kwambiri ngati zopangira zotayirapo msewu.

Kampani ya Yichen ili ndi mizere yayikulu 6 yazogulitsa. Kuphatikiza pa zitatu zomwe tazitchulazi, pali ma auger ogwirira ntchito pobowola, ndowa yowunikira kuti iwunikire zingwe zomangira ndi miyala, ndi njira yokhazikitsira dothi kuti iwumitse silt.