山(Shan)东(Dong)恒(Heng)吉(Ji)勘(Kan)察(Cha)设(She)计(Ji)有(You)限(Xian)公(Gong)司(Si)帷(Wei)幕(Mu)灌(Guan)浆(Jiang)的(De)施(Shi)工(Gong)方(Fang)法(Fa)
1.钻(Zuan)孔(Kong)与(Yu)测(Ce)斜(Xie):(?)采(Cai)用(Yong)小(Xiao)口(Kou)径(Jing)地(Di)质(Zhi)回(Hui)转(Zhuan)钻(Zuan)机(Ji),(?)金(Jin)钢(Gang)石(Shi)钻(Zuan)头(Tou)钻(Zuan)孔(Kong),(?)开(Kai)孔(Kong)前(Qian)用(Yong)“(?)两(Liang)点(Dian)法(Fa)”(?)地(Di)锚(Mao)固(Gu)定(Ding),(?)用(Yong)角(Jiao)度(Du)尺(Chi)和(He)地(Di)质(Zhi)罗(Luo)盘(Pan)校(Xiao)正(Zheng)钻(Zuan)机(Ji)立(Li)轴(Zhou)。(?)1段(Duan)灌(Guan)浆(Jiang)结(Jie)束(Shu)后(Hou)进(Jin)行(Xing)孔(Kong)口(Kou)管(Guan)埋(Mai)设(She),(?)埋(Mai)入(Ru)基(Ji)岩(Yan)深(Shen)度(Du)2 m,(?)孔(Kong)口(Kou)管(Guan)采(Cai)用(Yong)?73 mm的(De)无(Wu)缝(Feng)钢(Gang)管(Guan)。(?)钻(Zuan)孔(Kong)测(Ce)斜(Xie)选(Xuan)用(Yong)KXP-Ⅰ(?)型(Xing)测(Ce)斜(Xie)仪(Yi),(?)一(Yi)般(Ban)每(Mei)10 m测(Ce)1次(Ci)。(?)
2.钻(Zuan)孔(Kong)冲(Chong)洗(Xi)与(Yu)简(Jian)易(Yi)压(Ya)水(Shui):(?)采(Cai)用(Yong)高(Gao)压(Ya)水(Shui)脉(Mai)动(Dong)冲(Chong)洗(Xi),(?)冲(Chong)洗(Xi)时(Shi)间(Jian)不(Bu)少(Shao)于(Yu)30 min,(?)回(Hui)清(Qing)水(Shui)10 min。(?)灌(Guan)浆(Jiang)前(Qian)均(Jun)进(Jin)行(Xing)简(Jian)易(Yi)压(Ya)水(Shui)试(Shi)验(Yan),(?)压(Ya)水(Shui)压(Ya)力(Li)1.0 MPa。(?)
3.制(Zhi)浆(Jiang)与(Yu)检(Jian)测(Ce):(?)采(Cai)用(Yong)集(Ji)中(Zhong)制(Zhi)浆(Jiang),(?)分(Fen)部(Bu)位(Wei)供(Gong)浆(Jiang),(?)浆(Jiang)液(Ye)经(Jing)湿(Shi)磨(Mo)机(Ji)串(Chuan)联(Lian)磨(Mo)制(Zhi)后(Hou)送(Song)入(Ru)搅(Jiao)拌(Ban)桶(Tong),(?)外(Wai)加(Jia)剂(Ji)为(Wei)UNF-5型(Xing)减(Jian)水(Shui)剂(Ji),(?)掺(Chan)量(Liang)7%。(?)浆(Jiang)液(Ye)浓(Nong)度(Du)采(Cai)用(Yong)标(Biao)准(Zhun)漏(Lou)斗(Dou)粘(Zhan)度(Du)计(Ji)检(Jian)测(Ce),(?)要(Yao)求(Qiu)漏(Lou)斗(Dou)粘(Zhan)度(Du)小(Xiao)于(Yu)30 s;(?)细(Xi)度(Du)主(Zhu)要(Yao)采(Cai)用(Yong)沉(Chen)降(Jiang)法(Fa),(?)用(Yong)激(Ji)光(Guang)粒(Li)度(Du)仪(Yi)校(Xiao)核(He),(?)要(Yao)求(Qiu)每(Mei)10 t水(Shui)泥(Ni)检(Jian)测(Ce)1次(Ci)。(?)
4.自(Zi)动(Dong)记(Ji)录(Lu):(?)灌(Guan)浆(Jiang)记(Ji)录(Lu)全(Quan)部(Bu)采(Cai)用(Yong)自(Zi)动(Dong)记(Ji)录(Lu)仪(Yi)。(?)
5.灌(Guan)浆(Jiang)压(Ya)力(Li)控(Kong)制(Zhi):(?)在(Zai)施(Shi)工(Gong)过(Guo)程(Cheng)中(Zhong)为(Wei)了(Liao)避(Bi)免(Mian)抬(Tai)动(Dong)破(Po)坏(Huai),建(Jian)立(Li)了(Liao)注(Zhu)入(Ru)率(Lu)与(Yu)大(Da)灌(Guan)浆(Jiang)压(Ya)力(Li)的(De)关(Guan)系(Xi)。(?)