三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 本??(ben)報??(bao)訊?(xun)(記??(ji)者??(zhe) 金??(jin)志??(zhi)剛??(gang)) 記??(ji)者??(zhe)從??(cong)中??(zhong)國??(guo)鐵??(tie)路??(lu)上??(shang)海??(hai)局??(ju)集??(ji)團?(tuan)有??(you)限??(xian)公??(gong)司??(si)獲??(huo)悉??(xi)??，昨??(zuo)天??(tian)下??(xia)午?(wu)4時??(shi)18分??(fen)??，在??(zai)世??(shi)界??(jie)三??(san)大??(da)強??(qiang)潮??(chao)海??(hai)灣??(wan)之??(zhi)一??(yi)的??(de)杭??(hang)州??(zhou)灣??(wan)海??(hai)平??(ping)面??(mian)上??(shang)??，隨??(sui)著?(zhe)最??(zui)后??(hou)一??(yi)車??(che)混?(hun)凝??(ning)土??(tu)灌??(guan)注??(zhu)入??(ru)杭??(hang)州??(zhou)灣?(wan)跨?(kua)海??(hai)鐵??(tie)路??(lu)橋??(qiao)北??(bei)航??(hang)道??(dao)橋??(qiao)8號??(hao)主??(zhu)塔??(ta)6號??(hao)樁??(zhuang)孔??(kong)??，標??(biao)志??(zhi)著??(zhe)世??(shi)界??(jie)最??(zui)長??(chang)跨??(kua)海??(hai)高??(gao)速??(su)鐵??(tie)路??(lu)橋??(qiao)——南??(nan)通??(tong)至??(zhi)寧??(ning)波??(bo)高??(gao)鐵??(tie)杭??(hang)州??(zhou)灣??(wan)跨??(kua)海??(hai)鐵??(tie)路??(lu)橋?(qiao)首??(shou)個??(ge)主??(zhu)塔??(ta)墩??(dun)樁??(zhuang)基?(ji)施??(shi)工??(gong)完??(wan)成??(cheng)??，大??(da)橋??(qiao)建??(jian)設(shè)?(she)取??(qu)得??(de)階??(jie)段?(duan)性??(xing)進??(jin)展??(zhan)??。?? 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??(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??(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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