本(ben)發明涉(she)及地下、涵洞、隧道(dao)建(jian)筑施(shi)工領域(yu),特別涉(she)及淺埋(mai)暗挖工程施(shi)工用支護(hu)裝(zhuang)置及其(qi)支護(hu)方法(fa)。
背景技術:
在淺(qian)埋暗挖施工中多(duo)采(cai)用CRD法(fa)、雙側壁導(dao)坑法(fa),這(zhe)些方法(fa)基于(yu)(yu)分塊開(kai)挖思想,開(kai)挖和臨時(shi)支(zhi)護拆(chai)除多(duo)次擾動圍巖,工序轉化(hua)復雜,操(cao)作(zuo)空間(jian)小,不利于(yu)(yu)大型機械設備(bei)的使用,施工進度慢,工期長,造(zao)價高,開(kai)挖穩定性和安(an)全性也(ye)較差。
本(ben)發明提供一種淺埋暗挖工(gong)(gong)程施工(gong)(gong)工(gong)(gong)程用支護(hu)(hu)裝置(zhi)及其支護(hu)(hu)方法(fa),本(ben)發明能實(shi)現對建筑工(gong)(gong)程的(de)任意位置(zhi)的(de)初期支護(hu)(hu),并能使用大型機械開挖施工(gong)(gong),本(ben)發明結構簡單、組裝方便(bian)。
技術實現要素:
為(wei)實現(xian)上述目的,本發明提(ti)供如(ru)下技術方案:
淺埋暗挖施工工程用支(zhi)護裝置(zhi)(zhi),設(she)(she)置(zhi)(zhi)于(yu)巖(yan)體(ti)內(nei)(nei),巖(yan)體(ti)上(shang)(shang)(shang)(shang)(shang)設(she)(she)置(zhi)(zhi)若干(gan)超前導管(guan)(guan),巖(yan)體(ti)開(kai)(kai)(kai)挖涵(han)(han)洞(dong)(dong),涵(han)(han)洞(dong)(dong)分上(shang)(shang)(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)與下(xia)涵(han)(han)洞(dong)(dong),上(shang)(shang)(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)的(de)(de)內(nei)(nei)壁(bi)上(shang)(shang)(shang)(shang)(shang)開(kai)(kai)(kai)挖有若干(gan)孔(kong),上(shang)(shang)(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)的(de)(de)內(nei)(nei)壁(bi)上(shang)(shang)(shang)(shang)(shang)設(she)(she)置(zhi)(zhi)若干(gan)固(gu)(gu)定(ding)(ding)板(ban)(ban)(ban)(ban),每個固(gu)(gu)定(ding)(ding)板(ban)(ban)(ban)(ban)上(shang)(shang)(shang)(shang)(shang)設(she)(she)置(zhi)(zhi)若干(gan)孔(kong),固(gu)(gu)定(ding)(ding)桿穿(chuan)過(guo)固(gu)(gu)定(ding)(ding)板(ban)(ban)(ban)(ban)上(shang)(shang)(shang)(shang)(shang)的(de)(de)孔(kong)延伸(shen)至上(shang)(shang)(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)的(de)(de)內(nei)(nei)壁(bi)上(shang)(shang)(shang)(shang)(shang)開(kai)(kai)(kai)挖的(de)(de)孔(kong)內(nei)(nei),固(gu)(gu)定(ding)(ding)桿包(bao)括外殼(ke)(ke)(ke)與注(zhu)(zhu)(zhu)漿(jiang)(jiang)管(guan)(guan),所述注(zhu)(zhu)(zhu)漿(jiang)(jiang)管(guan)(guan)貫穿(chuan)設(she)(she)置(zhi)(zhi)于(yu)外殼(ke)(ke)(ke)內(nei)(nei),且注(zhu)(zhu)(zhu)漿(jiang)(jiang)管(guan)(guan)兩端伸(shen)出外殼(ke)(ke)(ke)外部(bu),注(zhu)(zhu)(zhu)漿(jiang)(jiang)管(guan)(guan)上(shang)(shang)(shang)(shang)(shang)端設(she)(she)置(zhi)(zhi)有第二(er)限位板(ban)(ban)(ban)(ban),注(zhu)(zhu)(zhu)漿(jiang)(jiang)管(guan)(guan)下(xia)端連(lian)(lian)接(jie)有推拉手柄,固(gu)(gu)定(ding)(ding)塊(kuai)分為多(duo)層次且圓周設(she)(she)置(zhi)(zhi)于(yu)外殼(ke)(ke)(ke)外壁(bi)上(shang)(shang)(shang)(shang)(shang),不同層次的(de)(de)固(gu)(gu)定(ding)(ding)塊(kuai)豎直方向(xiang)上(shang)(shang)(shang)(shang)(shang)呈(cheng)(cheng)直線排(pai)列,每個固(gu)(gu)定(ding)(ding)塊(kuai)上(shang)(shang)(shang)(shang)(shang)通(tong)過(guo)連(lian)(lian)接(jie)銷鉸連(lian)(lian)接(jie)一個固(gu)(gu)定(ding)(ding)齒(chi),豎直方向(xiang)呈(cheng)(cheng)直線排(pai)列的(de)(de)固(gu)(gu)定(ding)(ding)齒(chi)通(tong)過(guo)連(lian)(lian)接(jie)桿鉸連(lian)(lian)接(jie),外殼(ke)(ke)(ke)上(shang)(shang)(shang)(shang)(shang)開(kai)(kai)(kai)有若干(gan)細(xi)(xi)長孔(kong),外殼(ke)(ke)(ke)上(shang)(shang)(shang)(shang)(shang)的(de)(de)最下(xia)端的(de)(de)固(gu)(gu)定(ding)(ding)齒(chi)連(lian)(lian)接(jie)有支(zhi)撐(cheng)(cheng)桿,支(zhi)撐(cheng)(cheng)桿穿(chuan)過(guo)外殼(ke)(ke)(ke)上(shang)(shang)(shang)(shang)(shang)的(de)(de)細(xi)(xi)長孔(kong)與活(huo)(huo)動板(ban)(ban)(ban)(ban)連(lian)(lian)接(jie),活(huo)(huo)動板(ban)(ban)(ban)(ban)位于(yu)注(zhu)(zhu)(zhu)漿(jiang)(jiang)管(guan)(guan)與外殼(ke)(ke)(ke)之間的(de)(de)空間內(nei)(nei),注(zhu)(zhu)(zhu)漿(jiang)(jiang)管(guan)(guan)上(shang)(shang)(shang)(shang)(shang)設(she)(she)置(zhi)(zhi)有錐(zhui)形狀的(de)(de)支(zhi)撐(cheng)(cheng)塊(kuai)與活(huo)(huo)動板(ban)(ban)(ban)(ban)相對應,各個固(gu)(gu)定(ding)(ding)板(ban)(ban)(ban)(ban)焊(han)接(jie)組(zu)合成(cheng)圓拱結構貼(tie)于(yu)上(shang)(shang)(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)的(de)(de)內(nei)(nei)壁(bi)上(shang)(shang)(shang)(shang)(shang),下(xia)涵(han)(han)洞(dong)(dong)兩側內(nei)(nei)壁(bi)對應設(she)(she)置(zhi)(zhi)2個支(zhi)撐(cheng)(cheng)架(jia),支(zhi)撐(cheng)(cheng)架(jia)與上(shang)(shang)(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)內(nei)(nei)壁(bi)底部(bu)的(de)(de)固(gu)(gu)定(ding)(ding)板(ban)(ban)(ban)(ban)連(lian)(lian)接(jie),混(hun)凝(ning)土層覆(fu)蓋(gai)固(gu)(gu)定(ding)(ding)板(ban)(ban)(ban)(ban)形成(cheng)的(de)(de)圓拱結構和(he)支(zhi)撐(cheng)(cheng)架(jia)。
具體的(de),所述(shu)推拉(la)手(shou)(shou)柄中間位(wei)置設(she)置有中心(xin)孔,推拉(la)手(shou)(shou)柄的(de)中心(xin)孔與注漿管的(de)內(nei)孔相通(tong),推拉(la)手(shou)(shou)柄的(de)中心(xin)孔的(de)內(nei)壁設(she)置有內(nei)螺紋,絲堵通(tong)過推拉(la)手(shou)(shou)柄的(de)中心(xin)孔的(de)內(nei)螺紋與推拉(la)手(shou)(shou)柄連接,推拉(la)手(shou)(shou)柄通(tong)過2個對稱(cheng)設(she)置的(de)伸縮桿(gan)與第(di)一限(xian)位(wei)板(ban)連接,伸縮桿(gan)上設(she)置螺絲桿(gan),第(di)一限(xian)位(wei)板(ban)位(wei)于外殼的(de)下端(duan)且與固定板(ban)連接。
具體(ti)的(de)(de)(de)(de)(de),所述(shu)淺(qian)埋暗挖(wa)(wa)(wa)施工(gong)工(gong)程(cheng)用支(zhi)護裝置(zhi)的(de)(de)(de)(de)(de)支(zhi)護方(fang)(fang)法,包括(kuo)在(zai)巖體(ti)上(shang)(shang)設(she)置(zhi)超(chao)前導管,并從超(chao)前導管向(xiang)巖體(ti)注(zhu)入水(shui)泥漿(jiang),開(kai)(kai)挖(wa)(wa)(wa)涵洞(dong)(dong)(dong)的(de)(de)(de)(de)(de)上(shang)(shang)涵洞(dong)(dong)(dong),再在(zai)上(shang)(shang)涵洞(dong)(dong)(dong)內壁(bi)(bi)上(shang)(shang)開(kai)(kai)挖(wa)(wa)(wa)若干孔(kong),在(zai)上(shang)(shang)涵洞(dong)(dong)(dong)上(shang)(shang)每開(kai)(kai)挖(wa)(wa)(wa)一(yi)處(chu)就可在(zai)開(kai)(kai)挖(wa)(wa)(wa)處(chu)的(de)(de)(de)(de)(de)內壁(bi)(bi)上(shang)(shang)安(an)裝固(gu)定(ding)板,固(gu)定(ding)板緊(jin)貼(tie)上(shang)(shang)涵洞(dong)(dong)(dong)的(de)(de)(de)(de)(de)內壁(bi)(bi),固(gu)定(ding)桿(gan)(gan)穿過(guo)固(gu)定(ding)板延(yan)伸至上(shang)(shang)涵洞(dong)(dong)(dong)的(de)(de)(de)(de)(de)內壁(bi)(bi)開(kai)(kai)的(de)(de)(de)(de)(de)孔(kong)內,拉(la)動(dong)(dong)(dong)固(gu)定(ding)桿(gan)(gan)的(de)(de)(de)(de)(de)推(tui)拉(la)手柄(bing)使注(zhu)漿(jiang)管在(zai)外(wai)殼內向(xiang)施工(gong)人員方(fang)(fang)向(xiang)移動(dong)(dong)(dong),從而帶動(dong)(dong)(dong)設(she)置(zhi)在(zai)注(zhu)漿(jiang)管外(wai)壁(bi)(bi)上(shang)(shang)的(de)(de)(de)(de)(de)錐(zhui)形(xing)狀(zhuang)(zhuang)的(de)(de)(de)(de)(de)支(zhi)撐塊(kuai)向(xiang)施工(gong)人員方(fang)(fang)向(xiang)移動(dong)(dong)(dong),錐(zhui)形(xing)狀(zhuang)(zhuang)的(de)(de)(de)(de)(de)支(zhi)撐塊(kuai)推(tui)動(dong)(dong)(dong)活動(dong)(dong)(dong)板向(xiang)巖體(ti)方(fang)(fang)向(xiang)移動(dong)(dong)(dong),從而使與支(zhi)撐桿(gan)(gan)連接(jie)的(de)(de)(de)(de)(de)固(gu)定(ding)齒張開(kai)(kai),當固(gu)定(ding)齒張開(kai)(kai)到一(yi)定(ding)程(cheng)度時,固(gu)定(ding)齒卡在(zai)上(shang)(shang)涵洞(dong)(dong)(dong)內壁(bi)(bi)上(shang)(shang)開(kai)(kai)的(de)(de)(de)(de)(de)孔(kong)內,擰緊(jin)伸縮桿(gan)(gan)上(shang)(shang)的(de)(de)(de)(de)(de)螺(luo)絲桿(gan)(gan),使錐(zhui)形(xing)狀(zhuang)(zhuang)的(de)(de)(de)(de)(de)支(zhi)撐塊(kuai)能夠穩定(ding)支(zhi)撐活動(dong)(dong)(dong)板,通過(guo)注(zhu)漿(jiang)管向(xiang)上(shang)(shang)涵洞(dong)(dong)(dong)內壁(bi)(bi)上(shang)(shang)開(kai)(kai)的(de)(de)(de)(de)(de)孔(kong)注(zhu)入水(shui)泥漿(jiang),使固(gu)定(ding)桿(gan)(gan)與上(shang)(shang)涵洞(dong)(dong)(dong)的(de)(de)(de)(de)(de)內壁(bi)(bi)連為一(yi)體(ti)。
包括的當(dang)上涵(han)(han)洞(dong)開挖達到能使固(gu)定(ding)(ding)板組合成(cheng)圓拱形狀時,焊接(jie)各(ge)個固(gu)定(ding)(ding)板,使各(ge)個固(gu)定(ding)(ding)板連成(cheng)整體,而后(hou)開挖下涵(han)(han)洞(dong),并將(jiang)支撐(cheng)(cheng)架與上涵(han)(han)洞(dong)內壁上底端的固(gu)定(ding)(ding)板連接(jie),然后(hou)再噴(pen)混凝(ning)土(tu)漿(jiang),使混凝(ning)土(tu)覆(fu)蓋固(gu)定(ding)(ding)板與支撐(cheng)(cheng)架,并形成(cheng)混凝(ning)土(tu)層。
本發(fa)明(ming)提(ti)供一種淺(qian)埋暗挖施(shi)工工程用(yong)支護裝置及其支護方(fang)法,能實現對建筑(zhu)工程的(de)任意位(wei)置的(de)初期(qi)支護,并能使(shi)用(yong)大型機械施(shi)工,本發(fa)明(ming)結構簡單、組裝方(fang)便。
附圖說明
圖1為(wei)本發明淺埋暗挖施(shi)工工程用支護裝置。
圖1中: 1-巖體、2-超前導管、3-固定桿、4-固定板、5-支(zhi)撐架、6-上涵(han)洞、7-下涵(han)洞、8-混凝土層。
圖2為本發明淺埋暗挖施工(gong)工(gong)程用支護裝置的固定桿。
圖2中(zhong): 4-固(gu)(gu)定板、9-第(di)一限(xian)位(wei)板、10-伸縮(suo)桿、11-螺絲桿、12-絲堵(du)、13-第(di)二(er)限(xian)位(wei)板、14-推拉手柄、30-固(gu)(gu)定齒、31-連接銷(xiao)、32-固(gu)(gu)定塊、33-連接桿、34-錐形狀的(de)支撐塊、35-注(zhu)漿管、36-支撐桿、37-外殼、38-細(xi)長(chang)孔、39-活動板。
圖(tu)3為圖(tu)2 的A區放大圖(tu)。
圖(tu)3中: 34-錐形狀的支撐塊、35-注漿管(guan)、36-支撐桿、37-外殼(ke)、38-細長孔(kong)、39-活動板。
具體實施方式
下(xia)面(mian)將(jiang)結合(he)本發明淺埋(mai)暗(an)挖施工工程用支(zhi)護裝(zhuang)(zhuang)置的附(fu)圖對本裝(zhuang)(zhuang)置做詳細說明并對淺埋(mai)暗(an)挖施工工程用支(zhi)護裝(zhuang)(zhuang)置的支(zhi)護方法做出說明。
淺埋暗挖(wa)施工(gong)工(gong)程用支(zhi)護裝置(zhi),設(she)置(zhi)于(yu)(yu)(yu)巖(yan)體1內(nei),巖(yan)體1上(shang)(shang)(shang)設(she)置(zhi)若干超前導管(guan)2,巖(yan)體1開挖(wa)涵(han)洞(dong),涵(han)洞(dong)分(fen)上(shang)(shang)(shang)涵(han)洞(dong)6與(yu)下(xia)涵(han)洞(dong)7,上(shang)(shang)(shang)涵(han)洞(dong)6的(de)內(nei)壁(bi)(bi)上(shang)(shang)(shang)開挖(wa)有若干孔(kong),上(shang)(shang)(shang)涵(han)洞(dong)6的(de)內(nei)壁(bi)(bi)上(shang)(shang)(shang)設(she)置(zhi)若干固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)板(ban)4,每個(ge)(ge)固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)板(ban)4上(shang)(shang)(shang)設(she)置(zhi)若干孔(kong),固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)桿3穿過固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)板(ban)4上(shang)(shang)(shang)的(de)孔(kong)延伸至(zhi)上(shang)(shang)(shang)涵(han)洞(dong)6的(de)內(nei)壁(bi)(bi)上(shang)(shang)(shang)開挖(wa)的(de)孔(kong)內(nei),固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)桿3包括外(wai)(wai)殼(ke)37與(yu)注(zhu)漿(jiang)(jiang)管(guan)35,所述注(zhu)漿(jiang)(jiang)管(guan)35貫穿設(she)置(zhi)于(yu)(yu)(yu)外(wai)(wai)殼(ke)37內(nei),且注(zhu)漿(jiang)(jiang)管(guan)35兩(liang)端(duan)伸出(chu)外(wai)(wai)殼(ke)37外(wai)(wai)部(bu),注(zhu)漿(jiang)(jiang)管(guan)35上(shang)(shang)(shang)端(duan)設(she)置(zhi)有第二限位板(ban)13,注(zhu)漿(jiang)(jiang)管(guan)35下(xia)端(duan)連接有推拉手(shou)柄(bing)14,固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)塊(kuai)32分(fen)為多層次(ci)且圓(yuan)周(zhou)設(she)置(zhi)于(yu)(yu)(yu)外(wai)(wai)殼(ke)37外(wai)(wai)壁(bi)(bi)上(shang)(shang)(shang),不同(tong)層次(ci)的(de)固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)塊(kuai)32豎(shu)直(zhi)方向上(shang)(shang)(shang)呈直(zhi)線(xian)排(pai)列,每個(ge)(ge)固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)塊(kuai)32上(shang)(shang)(shang)通(tong)過連接銷31鉸(jiao)連接一個(ge)(ge)固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)齒30,豎(shu)直(zhi)方向呈直(zhi)線(xian)排(pai)列的(de)固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)齒30通(tong)過連接桿33鉸(jiao)連接,外(wai)(wai)殼(ke)37上(shang)(shang)(shang)開有若干細(xi)長孔(kong)38,外(wai)(wai)殼(ke)37上(shang)(shang)(shang)的(de)最下(xia)端(duan)的(de)固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)齒30連接有支(zhi)撐(cheng)(cheng)桿36,支(zhi)撐(cheng)(cheng)桿36穿過外(wai)(wai)殼(ke)37上(shang)(shang)(shang)的(de)細(xi)長孔(kong)38與(yu)活(huo)動板(ban)39連接,活(huo)動板(ban)39位于(yu)(yu)(yu)注(zhu)漿(jiang)(jiang)管(guan)35與(yu)外(wai)(wai)殼(ke)37之(zhi)間(jian)的(de)空間(jian)內(nei),注(zhu)漿(jiang)(jiang)管(guan)35上(shang)(shang)(shang)設(she)置(zhi)有錐形狀的(de)支(zhi)撐(cheng)(cheng)塊(kuai)34與(yu)活(huo)動板(ban)39相對應,各個(ge)(ge)固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)板(ban)4焊接組合成(cheng)圓(yuan)拱結(jie)構(gou)貼于(yu)(yu)(yu)上(shang)(shang)(shang)涵(han)洞(dong)6的(de)內(nei)壁(bi)(bi)上(shang)(shang)(shang),下(xia)涵(han)洞(dong)7兩(liang)側內(nei)壁(bi)(bi)對應設(she)置(zhi)2個(ge)(ge)支(zhi)撐(cheng)(cheng)架5,支(zhi)撐(cheng)(cheng)架5與(yu)上(shang)(shang)(shang)涵(han)洞(dong)6內(nei)壁(bi)(bi)底部(bu)的(de)固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)板(ban)4連接,混凝(ning)土層8覆蓋固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)(ding)板(ban)4形成(cheng)的(de)圓(yuan)拱結(jie)構(gou)和支(zhi)撐(cheng)(cheng)架5。
具體的(de)(de)(de),所(suo)述推拉(la)(la)手(shou)(shou)柄(bing)(bing)(bing)(bing)14中(zhong)間位置(zhi)設(she)置(zhi)有中(zhong)心(xin)(xin)孔(kong),推拉(la)(la)手(shou)(shou)柄(bing)(bing)(bing)(bing)14的(de)(de)(de)中(zhong)心(xin)(xin)孔(kong)與(yu)注(zhu)漿管35的(de)(de)(de)內(nei)(nei)孔(kong)相通(tong),推拉(la)(la)手(shou)(shou)柄(bing)(bing)(bing)(bing)14的(de)(de)(de)中(zhong)心(xin)(xin)孔(kong)的(de)(de)(de)內(nei)(nei)壁設(she)置(zhi)有內(nei)(nei)螺(luo)紋,絲堵12通(tong)過推拉(la)(la)手(shou)(shou)柄(bing)(bing)(bing)(bing)14的(de)(de)(de)中(zhong)心(xin)(xin)孔(kong)的(de)(de)(de)內(nei)(nei)螺(luo)紋與(yu)推拉(la)(la)手(shou)(shou)柄(bing)(bing)(bing)(bing)14連(lian)(lian)接,推拉(la)(la)手(shou)(shou)柄(bing)(bing)(bing)(bing)14通(tong)過2個對稱(cheng)設(she)置(zhi)的(de)(de)(de)伸縮桿10與(yu)第一限位板(ban)9連(lian)(lian)接,伸縮桿10上(shang)設(she)置(zhi)螺(luo)絲桿11,所(suo)述第一限位板(ban)9位于外殼37的(de)(de)(de)下端且(qie)與(yu)固定板(ban)4連(lian)(lian)接。
具體(ti)的(de)(de)(de)(de),所述淺埋暗挖(wa)(wa)施工(gong)工(gong)程用支(zhi)護(hu)裝(zhuang)(zhuang)置(zhi)(zhi)的(de)(de)(de)(de)支(zhi)護(hu)方法,包括在巖體(ti)1上(shang)(shang)(shang)設(she)置(zhi)(zhi)超(chao)前(qian)導管(guan)(guan)2,并從(cong)超(chao)前(qian)導管(guan)(guan)2向(xiang)(xiang)巖體(ti)1注(zhu)(zhu)入水泥漿(jiang)(jiang),開(kai)挖(wa)(wa)涵(han)(han)洞(dong)(dong)的(de)(de)(de)(de)上(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)6,再在上(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)6內(nei)壁(bi)(bi)(bi)上(shang)(shang)(shang)開(kai)挖(wa)(wa)若干孔(kong),在上(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)6上(shang)(shang)(shang)每開(kai)挖(wa)(wa)一處就可(ke)在開(kai)挖(wa)(wa)處的(de)(de)(de)(de)內(nei)壁(bi)(bi)(bi)上(shang)(shang)(shang)安裝(zhuang)(zhuang)固(gu)(gu)定(ding)板(ban)4,固(gu)(gu)定(ding)板(ban)4緊(jin)(jin)貼上(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)6的(de)(de)(de)(de)內(nei)壁(bi)(bi)(bi),固(gu)(gu)定(ding)桿(gan)3穿過(guo)固(gu)(gu)定(ding)板(ban)4延(yan)伸至上(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)6的(de)(de)(de)(de)內(nei)壁(bi)(bi)(bi)開(kai)的(de)(de)(de)(de)孔(kong)內(nei),拉動(dong)(dong)固(gu)(gu)定(ding)桿(gan)3的(de)(de)(de)(de)推(tui)拉手柄14使注(zhu)(zhu)漿(jiang)(jiang)管(guan)(guan)35在外(wai)殼(ke)37內(nei)向(xiang)(xiang)施工(gong)人員方向(xiang)(xiang)移(yi)動(dong)(dong),從(cong)而帶(dai)動(dong)(dong)設(she)置(zhi)(zhi)在注(zhu)(zhu)漿(jiang)(jiang)管(guan)(guan)35外(wai)壁(bi)(bi)(bi)上(shang)(shang)(shang)的(de)(de)(de)(de)錐(zhui)形狀(zhuang)(zhuang)的(de)(de)(de)(de)支(zhi)撐(cheng)(cheng)塊34向(xiang)(xiang)施工(gong)人員方向(xiang)(xiang)移(yi)動(dong)(dong),錐(zhui)形狀(zhuang)(zhuang)的(de)(de)(de)(de)支(zhi)撐(cheng)(cheng)塊34推(tui)動(dong)(dong)活動(dong)(dong)板(ban)39向(xiang)(xiang)巖體(ti)1方向(xiang)(xiang)移(yi)動(dong)(dong),從(cong)而使與(yu)支(zhi)撐(cheng)(cheng)桿(gan)36連接的(de)(de)(de)(de)固(gu)(gu)定(ding)齒(chi)30張開(kai),當固(gu)(gu)定(ding)齒(chi)30張開(kai)到一定(ding)程度時,固(gu)(gu)定(ding)齒(chi)30卡在上(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)6內(nei)壁(bi)(bi)(bi)上(shang)(shang)(shang)開(kai)的(de)(de)(de)(de)孔(kong)內(nei),擰(ning)緊(jin)(jin)伸縮桿(gan)10上(shang)(shang)(shang)的(de)(de)(de)(de)螺絲(si)桿(gan)11,使錐(zhui)形狀(zhuang)(zhuang)的(de)(de)(de)(de)支(zhi)撐(cheng)(cheng)塊34能夠穩定(ding)支(zhi)撐(cheng)(cheng)活動(dong)(dong)板(ban)39,通過(guo)注(zhu)(zhu)漿(jiang)(jiang)管(guan)(guan)35向(xiang)(xiang)上(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)6內(nei)壁(bi)(bi)(bi)上(shang)(shang)(shang)開(kai)的(de)(de)(de)(de)孔(kong)注(zhu)(zhu)入水泥漿(jiang)(jiang),使固(gu)(gu)定(ding)桿(gan)3與(yu)上(shang)(shang)(shang)涵(han)(han)洞(dong)(dong)6的(de)(de)(de)(de)內(nei)壁(bi)(bi)(bi)連為一體(ti)。
包括的當(dang)上涵(han)洞6開挖達到能使(shi)(shi)固(gu)定(ding)板(ban)4組合成圓拱形(xing)狀(zhuang)時,焊接(jie)各(ge)個(ge)固(gu)定(ding)板(ban)4,使(shi)(shi)各(ge)個(ge)固(gu)定(ding)板(ban)4連成整(zheng)體,而后開挖下(xia)涵(han)洞7,并將支撐(cheng)架5與(yu)上涵(han)洞6內(nei)壁上底端的固(gu)定(ding)板(ban)3連接(jie),然后再噴混凝(ning)土漿,使(shi)(shi)混凝(ning)土覆蓋固(gu)定(ding)板(ban)4與(yu)支撐(cheng)架5,并形(xing)成混凝(ning)土層8。混凝(ning)土層8進一(yi)步加(jia)固(gu)支護裝置,使(shi)(shi)支護裝置的承載能力(li)進一(yi)步加(jia)強。