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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道

精彩|　　8號(hào)??(hao)墩?(dun)所?(suo)處??(chu)海??(hai)域??(yu)地??(di)質(zhì)??(zhi)條??(tiao)件?(jian)復(fù)??(fu)雜??(za)?，成??(cheng)孔??(kong)及??(ji)成??(cheng)樁??(zhuang)難??(nan)度??(du)大??(da)??。??中??(zhong)鐵??(tie)大?(da)橋??(qiao)局??(ju)研??(yan)制??(zhi)了??(le)最??(zui)大?(da)鉆??(zuan)孔??(kong)直??(zhi)徑??(jing)4.5米??(mi)、鉆??(zuan)孔??(kong)深??(shen)度??(du)可??(ke)達(dá)??(da)155米??(mi)的??(de)SWDM800大??(da)型??(xing)旋??(xuan)挖??(wa)鉆??(zuan)機(jī)??(ji)?，與??(yu)XR580旋??(xuan)挖??(wa)鉆??(zuan)機(jī)??(ji)接??(jie)力??(li)鉆??(zuan)進(jìn)??(jin)成??(cheng)孔??(kong)?，并??(bing)配??(pei)備??(bei)相??(xiang)應(yīng)??(ying)的??(de)成??(cheng)孔??(kong)設(shè)?(she)備??(bei)??。同??(tong)時(shí)??(shi)優(yōu)?(you)化??(hua)施??(shi)工??(gong)工??(gong)序??(xu)?，采?(cai)用??(yong)主??(zhu)籠??(long)、導(dǎo)?(dao)管??(guan)提??(ti)前??(qian)在??(zai)相?(xiang)鄰??(lin)孔??(kong)預(yù)??(yu)拼??(pin)到?(dao)位??(wei)等??(deng)方?(fang)式??(shi)?，節(jié)??(jie)省??(sheng)了??(le)鋼??(gang)筋??(jin)籠?(long)和??(he)導(dǎo)?(dao)管??(guan)下?(xia)放??(fang)、拼??(pin)接??(jie)時(shí)?(shi)間??(jian)?，極??(ji)大??(da)地??(di)提??(ti)高??(gao)了??(le)施??(shi)工??(gong)效??(xiao)率??(lv)??。

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