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　　4月6日，由上(shang)海城建牽頭、旗下隧道(dao)(dao)股份主(zhu)體研發(fa)應(ying)用的(de)(de)(de)國(guo)內(nei)首(shou)條GPST地(di)面出(chu)入式盾(dun)構(gou)(gou)法施(shi)工(gong)(gong)技(ji)術隧道(dao)(dao)順(shun)利貫通，標志著歷時兩(liang)年的(de)(de)(de)GPST科(ke)研項(xiang)目全(quan)面成功。至(zhi)此，上(shang)海城建隧道(dao)(dao)股份完(wan)全(quan)打破了日本、德(de)國(guo)對GPST施(shi)工(gong)(gong)技(ji)術的(de)(de)(de)壟斷，中(zhong)國(guo)已成為(wei)(wei)世界上(shang)少數(shu)擁有(you)GPST隧道(dao)(dao)實(shi)際施(shi)工(gong)(gong)能力的(de)(de)(de)國(guo)家。GPST技(ji)術作(zuo)為(wei)(wei)世界首(shou)類在地(di)表始(shi)發(fa)與到達(da)的(de)(de)(de)盾(dun)構(gou)(gou)隧道(dao)(dao)施(shi)工(gong)(gong)方法，可(ke)以讓盾(dun)構(gou)(gou)機像穿山甲一樣，從地(di)面直(zhi)接向地(di)下挖掘(jue)，省去挖掘(jue)始(shi)發(fa)工(gong)(gong)作(zuo)井的(de)(de)(de)步驟，可(ke)大幅降低隧道(dao)(dao)施(shi)工(gong)(gong)產(chan)生(sheng)的(de)(de)(de)環(huan)境影(ying)響，同時還能夠解(jie)放盾(dun)構(gou)(gou)掘(jue)進中(zhong)對上(shang)方覆(fu)土的(de)(de)(de)需(xu)求與限制，被譽為(wei)(wei)縈繞在中(zhong)國(guo)隧道(dao)(dao)施(shi)工(gong)(gong)行業內(nei)的(de)(de)(de)“哥德(de)巴赫猜想”。施(shi)工(gong)(gong)過(guo)程中(zhong)，科(ke)研專家、施(shi)工(gong)(gong)建設者共同解(jie)決了超淺覆(fu)土和負覆(fu)土技(ji)術難(nan)題，克(ke)服了隧道(dao)(dao)軸線偏移、隧道(dao)(dao)上(shang)浮、隧道(dao)(dao)滲(shen)漏水等困(kun)難(nan)，并(bing)得到了大量(liang)GPST工(gong)(gong)法施(shi)工(gong)(gong)數(shu)據，為(wei)(wei)今后GPST工(gong)(gong)法的(de)(de)(de)廣泛應(ying)用奠定了基石。