Hoʻolauna huahana
Ami hui haʻahaʻa: I ka hoʻohana ʻana i ke ala hoʻokuʻu cantilever no ke kūkulu ʻana i ke alahaka, e hoʻokomo i ka hui pū haʻahaʻa ma ka hui pū haʻahaʻa o ka pahu alakaʻi (ka ihu), i hili ʻia ka ʻaoʻao mua o ke kaola alakaʻi e hoʻoneʻe i ka deflection o ke kaola alakaʻi a me ka ʻokoʻa o ke kiʻekiʻe ma waena o nā kapa ʻelua e hana i ke ala alakaʻi ma ke kahakai.Hiki ke hoʻohuli ʻia kēlā me kēia ʻāpana o ka pahu i kahi 40 knm.
ʻO ZhenJiang Great Wall Heavy Industry Technology Co.ltd (ma ʻaneʻi a ma hope i kapa ʻia ʻo Great Wall ) aia ma Zhenjiang kūlanakauhale, Hema o ka muliwai ʻo Yangtze, nona ka ʻāpana waiwai ʻo Yangtze River Delta, nona ke kahua kaʻaahi o Shanghai-Nanjing a me Shanghai-Beijing High-speed railways;30 mau kilomita mai ke awa ʻo Zhenjiang, 50 mau kilomita mai ke kahua mokulele ʻo Changzhou, 70 mau kilomita mai ke kahua mokulele ʻo Nanjing, a me ke kahua mokulele ʻo YangzhouTaizhou;Ua hala ʻo Great Wall i ka palapala ISO Quality Management System;ua hala kona WPS a me nā welders i ka palapala BV;ʻae ʻia nā mea maka a me nā huahana i hoʻopau ʻia e International Third Testing Institute e like me SGS, CCIC, CNAS etc.Eia kekahi, ua loaʻa iā Great Wall kekahi mau patent R&D kūʻokoʻa.
ʻO 321-Type（British Compact-100） i kūkulu mua ʻia ke alahaka alaloa a me 200-Type i hana mua ʻia ke alahaka ala ala (Bailey bridge) nā huahana nui o Great Wall, nona ka laina piha o nā mea hana no ka hoʻonohonoho ʻana i ke alahaka bailey piha.ʻOi aku ma mua o kēia, ua hoʻomohala ʻo Great Wall i kahi ʻano alahaka D-Type prefabricated nui nona ka lōʻihi hoʻokahi hiki ke piʻi i 91 mika, a ua hoʻopau i ka hoʻāʻo haʻahaʻa a me ka noi ʻenehana o ke alahaka holoʻokoʻa.
