Eminyakeni yamuva, ngokusekelwa okuqinile kwezwe kwezakhiwo ezenziwe ngaphambili, izingxenye zekhonkrithi ezifakwe ngaphambili ziye zaba yinto ebalulekile ekuthuthukisweni kwezakhiwo ezenziwe ngaphambili.I-Hebei XIndadi igxile ocwaningweni nasekuthuthukisweni "kokusetshenziswa kwamandla okuphansi, ubuchwepheshe bokukhiqiza obuluhlaza, obuhlakaniphile kanye nemishini kakhonkolo owenziwe ngaphambili" iminyaka engu-18, ihambisana nomqondo wokuthuthuka wokuqanjwa kwezobuchwepheshe, futhi ithuthukise ngokuzimela izizukulwane ezintathu zemigqa yokukhiqiza ehlakaniphile amaphaneli ayinhlanganisela prestressed.

Umugqa wokukhiqiza ikakhulukazi uqukethe ukuhlanza itafula lokubumba, ukumaka, ukufafaza uwoyela, ukufakwa kwesikhunta eseceleni kanye nokuhlukaniswa kwesikhunta, ukufakwa kokuqinisa, ukufakwa kwengxenye eshumekiwe, ukufakwa kwe-prestressing, ukudlidliza kwendwangu kanye nokuhlanganiswa, ukuqeda ingxenye, ukumbozwa kwefilimu nokuphulukisa, ukususwa kwesikhunta, ukusika ukuqinisa okugxilile. , kanye nokuphakamisa ingxenye.Izingxenye eziqediwe zinokunemba okuphezulu nokuzinza kwesakhiwo futhi ziyimikhiqizo yekhwalithi ephezulu ezingxenyeni zokwakha ezakhiwe ngaphambili.