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喜報!沈陽帝鉑又雙叒叕榮獲10項遼寧省工程建設工法
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經公司技術團隊的不懈努力,2020年度我公司有10項工法被遼寧省住房和城鄉建設廳評定為遼寧省工程建設工法,分別為快速安放可(ke)回收鋼套管施(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)法(fa)(fa)(fa)、大(da)直徑(jing)嵌巖樁(zhuang)(zhuang)旋(xuan)挖(wa)鉆機施(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)法(fa)(fa)(fa)、一種利用大(da)功率旋(xuan)挖(wa)鉆機清(qing)除(chu)費樁(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)法(fa)(fa)(fa)、一種自(zi)動水(shui)下打(da)撈(lao)旋(xuan)挖(wa)鉆頭施(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)法(fa)(fa)(fa)、錨(mao)索(suo)施(shi)(shi)(shi)工(gong)(gong)(gong)穿過鋼筋混凝土障礙施(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)法(fa)(fa)(fa)、鉆孔灌注樁(zhuang)(zhuang)防(fang)(fang)斷樁(zhuang)(zhuang)施(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)法(fa)(fa)(fa)、可(ke)拆(chai)芯錨(mao)索(suo)安裝及拆(chai)除(chu)施(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)法(fa)(fa)(fa)、深(shen)(shen)基坑(keng)(keng)開(kai)挖(wa)同步留設坑(keng)(keng)外坡道(dao)施(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)法(fa)(fa)(fa)、高壓旋(xuan)噴擴大(da)頭錨(mao)索(suo)施(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)法(fa)(fa)(fa)、深(shen)(shen)基坑(keng)(keng)越冬(dong)防(fang)(fang)凍脹施(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)法(fa)(fa)(fa)。
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快速安放可回收鋼套管施工工法適用于地鐵保護區或地質情況較復雜使用,采用大功率旋挖鉆機+鋼套管驅動器,實現快速安放套管施工,既發揮了大功率旋挖鉆機在工作時產生下壓力和扭矩驅動鋼套管轉動使鋼套管管口的高強刀頭對土體、砂層等進行切割的優勢,又利用了旋挖鉆機快速取土,將鋼鋼套管壓入至穩定層,鋼套管可靠護壁;成孔灌注后可將鋼管可回收,達到了操作簡單、降低成本,加快施工效率的優勢。
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大直徑嵌巖樁旋挖鉆機施工工法適用于地質堅硬地層中使用。在旋挖鉆機施工至巖層時,可根據樁徑大小,采取不同直徑的鉆頭分級鉆進巖層施工,大大縮短了成樁時間,提高了施工效率,有效的解決了旋挖鉆機入巖施工操作復雜、成本過高等問題。
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一種利用大功率旋挖鉆機清除廢樁施工工法適用于既有老舊基礎地層及廢樁中使用。該工法可根據不同樁徑、樁長、配筋、地質條件等選用合適的大功率旋挖鉆機,利用旋挖鉆機驅動多種組合鉆頭清理舊樁及老舊基礎,有效的解決了舊樁拆除施工效率慢、施工操作復雜、成本過高等問題。
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一種自動水下打撈旋挖鉆頭施工工法適用于旋挖鉆機施工時鉆頭脫落在孔內的情況使用。在發生鉆頭脫落時,直接更換特制打撈鉆頭裝置,利用旋挖鉆機下放鉆桿,用特殊裝置將鉆頭固定,上提鉆桿,成功將鉆頭打撈成功。該工法相對于潛水員打撈等常規方式有效的解決了水下打撈旋挖鉆頭時操作復雜、成本高、危險大、容易發生安全事故等問題。
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錨索施工穿過鋼筋混凝土障礙施工工法可在錨索施工遇混凝土障礙的情況下使用。該工法通過在鉆桿前段設計開孔器,利用金剛石鉆頭垂直與障礙接觸,以降低熱量及減少磨損為目的使用水泥漿循環,直至穿過混凝土障礙。