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旋挖钻机长全套管埋设方法的探讨

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旋挖钻机长全套管埋设方法的探讨

发布日期:2019-05-15 作者: 点击:

广东快乐十分走势图XUANWAZUANJIPEIHEBUTONGDEZUANJU,SHIYINGWOGUODABUFENDIQUDETUCENGSHIGONG。FUGAICENGDEZUANJINYIBANCAIYONGJINGTAINIJIANGHUBIDESHISHIXUANWAGONGFA,DUIGANYINGXINGZHANXINGTUKECAIYONGBUYONGWENDINGYEHUBIDEGANSHIXUANWAGONGFA。WOMENZONGJIELESUZHEHUDIQURUANTU、HAIXIANGYUNICENGJIYIXIETESHUDIZHITIAOJIANXIADEXUANWAZUANJIDEZUANJINCHENGKONGGONGFA,XINGCHENGXINDEZHANG(QUAN)TAOGUANXUANWAGONGFA。GAIGONGFAYUSHISHIXUANWAGONGFAHEGANSHIXUANWAGONGFABUTONGZHICHUZAIYUHUBICAIYONGGANGZHITAOGUANHUOGANGZHITAOGUANYUJINGTAINIJIANGHUBIJIEHE,DADAZENGQIANGLEXUANWAZUANJIDUIDICENGDESHIYINGXING,CHENGWEIZHANG(QUAN)TAOGUANXUANWAGONGFADEHEXINNEIRONG。

ZHANG(QUAN)TAOGUANDEMAISHEKESHIXUANWAZUANJIZUANJINSHUNLICHUANGUOJINGTAINIJIANGHUBIWUFAJIEJUEDEJUHOUDERUANSU、LIUSUZHUANGDERUANTUCENG、YANZHONGLOUSHIDICENGDENG,YOULIYUXUANWAZUANJITIGAOZUANJINGONGXIAO、BAOZHENGZUANKONGZHILIANG,QIEHUNNINGTUJIAOZHUHOUDEZHUANGTIBUYIFASHENGSUOJING、LOUJIN、ZHUANGSHENHUNNINGTULIXIDENGZHILIANGWENTI。ZHANG(QUAN)TAOGUANMAISHEDEFANGFAKEGUINAWEIRUXIA3ZHONG:XUANWAZUANJIZIYOUGONGNENGMAISHEZHANG(QUAN)TAOGUAN、LIYONGCUOGUANJIMAISHEZHANG(QUAN)TAOGUANHELIYONGLVDAIDIAOYUZHENDONGCHUIPEIHEMAISHEZHANG(QUAN)TAOGUAN。

TAOGUANMAISHEDEGONGYIBUTONG,YINGYONGDEDICENGTIAOJIAN、XUANWAZUANJIDELEIXING、ZUANKONGGUANZHUZHUANGZHIJINGFANWEIYEBUTONG

1旋挖钻机自有功能BG系列旋挖钻机,配备了护筒驱动器,其利用了钻机动力头的动力输出,主桅杆前的两个油缸可控制护筒驱动器的提升与下压)。宝峨钻机埋设套管其设备能力如表1示。可根据表1中提供的宝峨钻机设备参数对宝峨钻机埋设套管的能力进行验算,确定在特定的土层中某一型号的钻机的埋设套管的极限深度。通过计算及施工验证,BG22钻机在软塑-流塑状淤泥或淤泥质土层中自身埋设套管的极限长度建议值如下:外径1.7m,自身埋设套管的极限长度为13.8m;外径1.2m,极限长度为19.5m;外径1.0m,极限长度为24m。此数值亦与钻机前油缸及主卷扬的提升能力有关,另外,为保证套管顺利下沉及提拔,在下沉及提拔套管的过程中应不断地在套管外侧与土体接触面部位浇水润滑,以降低f值,防止埋管事故发生,具体措施此文中不再详述。

利用搓管机埋设长(全)套管搓管机早在上世纪50年代已在法国使用,与冲抓斗等配合,进行长(全)套管施工。国土资源部勘探技术研究所生产的CGJ-1500型搓管机配备CGB-110液压泵站作为动力站(表2),该型号搓管机满足100m内各种地层条件下的套管埋设要求。

TAOGUANDEXIACHENYINGYUZUANJIZUANJINPEIHE,BIANZUANJINBIANXIACHENTAOGUAN;TONGSHIWEIFANGZHIMAIGUANSHIGUDEFASHENG,CHENGKONGHOUDEHUNNINGTUGUANZHUYINGYUBAGUANTONGSHIJINXING。CUOGUANJIPEIBEISHUANGBITAOGUAN

3LIYONGLVDAIDIAOYUZHENDONGCHUIPEIHEMAISHEZHANG(QUAN)TAOGUANDIANDONGZHENDONGCHUI、YEYAZHENDONGCHUISHIDAMAISHETAOGUAN,ZAIKUAHAIDAQIAO、KUAJIANGDAQIAO、MATOUDENGSHUIXIASHIGONGDEZUANKONGGUANZHUZHUANGGONGCHENGZHONGYIDEDAOGUANGFANSHIYONG,ERZAILUDIRUANTUBINGYUXUANWAZUANJIPEIHESHIGONGDESHILIZAIGUONEIJISHAO。2004NIAN2-5YUE,ZAIZHEJIANGYANHAIMOUDIANCHANGZHUCHANGFANG1000mmZUANKONGGUANZHUZHUANGSHIGONGZHONG,CHENGGONGDIYINGYONGLE50tLVDAIDIAOYUDZ45XING、DZ60XINGDIANDONGZHENDONGCHUIPEIHEMAISHE15~2lmTAOGUAN,XUANWAZUANJICHENGKONGSHIGONGDEGONGYI,CHONGFENFAHUILEXUANWAZUANJIYIDONGLINGHUO、ZUANJINGAOXIAODETEXING,3GEYUESHIJIANWANCHENG83000m3DEZUANKONGGUANZHUZHUANGSHIGONGRENWU。

旋挖钻机长全套管埋设方法的探讨


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关键词:全套管价格,全套管品牌,全套管应用

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