文章來源(yuan)：中國葛洲(zhou)壩集團公司 發布(bu)時間：2010-07-23
經過(guo)半年多(duo)的(de)施工(gong)，目前，葛洲壩(ba)集團一公司承建的(de)海南大廣壩(ba)灌區中(zhong)干渠三標工(gong)程(cheng)施工(gong)形象滿足合同要求，工(gong)程(cheng)總(zong)體進展(zhan)順利。
大(da)(da)廣(guang)壩(ba)灌(guan)區(qu)工(gong)(gong)(gong)程位于(yu)海南省西部(bu)東方(fang)市(shi)境內，為(wei)大(da)(da)二型灌(guan)區(qu)工(gong)(gong)(gong)程，由高、中(zhong)、低、昌江(jiang)和(he)陀興干渠(qu)(qu)等五(wu)大(da)(da)渠(qu)(qu)系(xi)組(zu)成。中(zhong)干渠(qu)(qu)設計灌(guan)溉(gai)面(mian)積(ji)31.15萬畝，是(shi)(shi)灌(guan)溉(gai)面(mian)積(ji)最大(da)(da)的(de)系(xi)統。一公司承建的(de)三標(biao)段(duan)是(shi)(shi)連接2號隧洞和(he)干渠(qu)(qu)渠(qu)(qu)尾之(zhi)間的(de)渠(qu)(qu)段(duan)，全長(chang)52.9公里(li)，是(shi)(shi)該工(gong)(gong)(gong)程所有(you)標(biao)段(duan)中(zhong)最長(chang)的(de)標(biao)段(duan)，也(ye)是(shi)(shi)施工(gong)(gong)(gong)構筑(zhu)物最多(duo)、結(jie)構最為(wei)復雜(za)，工(gong)(gong)(gong)程量最大(da)(da)、施工(gong)(gong)(gong)難度最大(da)(da)的(de)標(biao)段(duan)。標(biao)段(duan)內共布置(zhi)渠(qu)(qu)系(xi)建筑(zhu)物227座，包括隧洞、渡槽、橋(qiao)梁、排洪涵洞，土石方(fang)開挖170萬立方(fang)米，填方(fang)110萬立方(fang)米。自去(qu)年下半(ban)年開工(gong)(gong)(gong)以(yi)來，葛洲壩(ba)人克服(fu)施工(gong)(gong)(gong)戰線長(chang)、地形(xing)繁雜(za)、構筑(zhu)物繁多(duo)、征地補(bu)償(chang)等困難，優化資源配(pei)置(zhi)，精心組(zu)織施工(gong)(gong)(gong)，頑強推(tui)進工(gong)(gong)(gong)程施工(gong)(gong)(gong)，得到了各方(fang)肯定。
截至目(mu)(mu)前(qian)，項目(mu)(mu)部共完(wan)(wan)成渠道土(tu)石方開挖48萬立(li)方米，回填21萬立(li)方米，混凝土(tu)襯(chen)砌約1500米；共設(she)(she)計渡槽11座(zuo)，7座(zuo)正在施(shi)(shi)(shi)工(gong)；共完(wan)(wan)成箱涵24座(zuo)、圓(yuan)管涵11座(zuo)，完(wan)(wan)成一座(zuo)公路橋施(shi)(shi)(shi)工(gong)；共設(she)(she)計人行(xing)橋39座(zuo)，正在施(shi)(shi)(shi)工(gong)6座(zuo)，3座(zuo)完(wan)(wan)成橋板(ban)施(shi)(shi)(shi)工(gong)。工(gong)程設(she)(she)計鋼筋制安3309 噸(dun)，已(yi)完(wan)(wan)成560噸(dun)，其他各項施(shi)(shi)(shi)工(gong)正在緊張進(jin)行(xing)中(zhong)。