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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　8號?(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??(da)155米??(mi)的??(de)SWDM800大??(da)型??(xing)旋??(xuan)挖??(wa)鉆??(zuan)機??(ji)??，與??(yu)XR580旋??(xuan)挖?(wa)鉆??(zuan)機??(ji)接?(jie)力??(li)鉆??(zuan)進??(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??(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??(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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