文章(zhang)來源(yuan)：中(zhong)國鐵路工程總(zong)公司 發布時間：2010-04-09
3月23日，中(zhong)鐵隧(sui)道(dao)(dao)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)的(de)(de)(de)(de)廈(sha)門翔(xiang)安海(hai)(hai)(hai)底隧(sui)道(dao)(dao)A1標(biao)段(duan)(duan)在(zai)四標(biao)段(duan)(duan)中(zhong)率(lv)先達到分(fen)(fen)界(jie)里(li)程(cheng)(cheng)，國(guo)(guo)內首(shou)條(tiao)海(hai)(hai)(hai)底隧(sui)道(dao)(dao)世界(jie)性地質(zhi)難題——F4風(feng)化(hua)(hua)(hua)深(shen)(shen)槽(cao)(cao)段(duan)(duan)被成(cheng)功攻(gong)克(ke)。風(feng)化(hua)(hua)(hua)深(shen)(shen)槽(cao)(cao)是海(hai)(hai)(hai)底隧(sui)道(dao)(dao)建(jian)設(she)中(zhong)公(gong)認的(de)(de)(de)(de)世界(jie)性地質(zhi)難題，也是國(guo)(guo)內首(shou)條(tiao)海(hai)(hai)(hai)底隧(sui)道(dao)(dao)建(jian)設(she)成(cheng)功與否的(de)(de)(de)(de)關鍵所在(zai)，其(qi)為(wei)砂(sha)、高(gao)風(feng)化(hua)(hua)(hua)石、泥水的(de)(de)(de)(de)混(hun)合堆(dui)積地層(ceng)，自穩能力差，加上海(hai)(hai)(hai)底高(gao)水壓作用，稍有不慎，便(bian)有覆頂之災。在(zai)眾風(feng)化(hua)(hua)(hua)深(shen)(shen)槽(cao)(cao)段(duan)(duan)中(zhong)以F4風(feng)化(hua)(hua)(hua)深(shen)(shen)槽(cao)(cao)段(duan)(duan)最(zui)(zui)為(wei)困難，F4風(feng)化(hua)(hua)(hua)深(shen)(shen)槽(cao)(cao)段(duan)(duan)位于整個海(hai)(hai)(hai)底隧(sui)道(dao)(dao)最(zui)(zui)深(shen)(shen)處(chu)，水壓達0.7兆帕，長度最(zui)(zui)長達120米(mi)，地質(zhi)條(tiao)件復(fu)雜(za)，技(ji)(ji)術(shu)(shu)難度巨大(da)。中(zhong)鐵隧(sui)道(dao)(dao)對(dui)F4風(feng)化(hua)(hua)(hua)深(shen)(shen)槽(cao)(cao)開挖的(de)(de)(de)(de)特殊(shu)性和巨大(da)的(de)(de)(de)(de)安全風(feng)險(xian)，多(duo)次組織專家對(dui)風(feng)化(hua)(hua)(hua)深(shen)(shen)槽(cao)(cao)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)方案進行(xing)嚴謹的(de)(de)(de)(de)科(ke)學論證(zheng)，細化(hua)(hua)(hua)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)組織方案，健(jian)全應急措施(shi)(shi)，率(lv)先在(zai)行(xing)業(ye)內建(jian)立起地下工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)攻(gong)克(ke)軟(ruan)弱圍巖(yan)的(de)(de)(de)(de)“特種部(bu)隊”，經過(guo)近8個月的(de)(de)(de)(de)攻(gong)堅克(ke)險(xian)，順利通過(guo)F4風(feng)化(hua)(hua)(hua)深(shen)(shen)槽(cao)(cao)段(duan)(duan)，率(lv)先打到分(fen)(fen)界(jie)里(li)程(cheng)(cheng)，以技(ji)(ji)術(shu)(shu)優勢和堅毅(yi)精神成(cheng)為(wei)我國(guo)(guo)首(shou)條(tiao)海(hai)(hai)(hai)底隧(sui)道(dao)(dao)建(jian)設(she)的(de)(de)(de)(de)先行(xing)者，建(jian)設(she)過(guo)程(cheng)(cheng)中(zhong)的(de)(de)(de)(de)一(yi)系(xi)列技(ji)(ji)術(shu)(shu)創(chuang)新、通過(guo)風(feng)化(hua)(hua)(hua)深(shen)(shen)槽(cao)(cao)段(duan)(duan)的(de)(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)法(fa)、工(gong)(gong)(gong)(gong)(gong)藝，成(cheng)為(wei)其(qi)他標(biao)段(duan)(duan)借鑒對(dui)象，為(wei)海(hai)(hai)(hai)底隧(sui)道(dao)(dao)建(jian)設(she)提供了一(yi)系(xi)列具有開創(chuang)意(yi)義的(de)(de)(de)(de)新工(gong)(gong)(gong)(gong)(gong)藝流程(cheng)(cheng)，豐富了我國(guo)(guo)海(hai)(hai)(hai)底隧(sui)道(dao)(dao)建(jian)設(she)工(gong)(gong)(gong)(gong)(gong)法(fa)、工(gong)(gong)(gong)(gong)(gong)藝。