文章(zhang)來源(yuan)：中(zhong)國葛(ge)洲壩(ba)集團公司 發布(bu)時間：2010-07-23
經過半年(nian)多的(de)施工(gong)，目前，葛洲壩(ba)集(ji)團(tuan)一公(gong)司承建(jian)的(de)海南大廣壩(ba)灌區(qu)中干渠三(san)標工(gong)程(cheng)施工(gong)形象(xiang)滿(man)足合同(tong)要求，工(gong)程(cheng)總體進(jin)展順利。
大廣壩灌區工(gong)(gong)(gong)程(cheng)位于海南省西部東方(fang)(fang)市(shi)境(jing)內，為大二(er)型灌區工(gong)(gong)(gong)程(cheng)，由高、中(zhong)(zhong)、低、昌江和陀(tuo)興干渠(qu)等五大渠(qu)系組成。中(zhong)(zhong)干渠(qu)設計灌溉(gai)面積31.15萬畝，是灌溉(gai)面積最(zui)大的(de)(de)(de)系統(tong)。一公(gong)司承建(jian)(jian)的(de)(de)(de)三標(biao)段(duan)是連接2號(hao)隧(sui)洞(dong)(dong)和干渠(qu)渠(qu)尾之間的(de)(de)(de)渠(qu)段(duan)，全長(chang)52.9公(gong)里，是該工(gong)(gong)(gong)程(cheng)所有標(biao)段(duan)中(zhong)(zhong)最(zui)長(chang)的(de)(de)(de)標(biao)段(duan)，也(ye)是施工(gong)(gong)(gong)構筑物最(zui)多(duo)、結構最(zui)為復雜，工(gong)(gong)(gong)程(cheng)量(liang)最(zui)大、施工(gong)(gong)(gong)難度(du)最(zui)大的(de)(de)(de)標(biao)段(duan)。標(biao)段(duan)內共布(bu)置渠(qu)系建(jian)(jian)筑物227座，包括隧(sui)洞(dong)(dong)、渡槽、橋(qiao)梁、排洪涵洞(dong)(dong)，土石(shi)方(fang)(fang)開(kai)挖170萬立方(fang)(fang)米，填方(fang)(fang)110萬立方(fang)(fang)米。自去年(nian)下半年(nian)開(kai)工(gong)(gong)(gong)以來，葛洲壩人克服施工(gong)(gong)(gong)戰線長(chang)、地形繁雜、構筑物繁多(duo)、征地補(bu)償等困(kun)難，優化(hua)資(zi)源配(pei)置，精(jing)心組織施工(gong)(gong)(gong)，頑(wan)強(qiang)推(tui)進工(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)，得到了各方(fang)(fang)肯定(ding)。
截至目前，項目部(bu)共(gong)(gong)完成(cheng)渠(qu)道土石方開挖(wa)48萬立方米(mi)，回填21萬立方米(mi)，混(hun)凝土襯(chen)砌約1500米(mi)；共(gong)(gong)設(she)計渡槽11座(zuo)，7座(zuo)正在施(shi)工(gong)；共(gong)(gong)完成(cheng)箱涵(han)24座(zuo)、圓管(guan)涵(han)11座(zuo)，完成(cheng)一座(zuo)公(gong)路橋(qiao)施(shi)工(gong)；共(gong)(gong)設(she)計人(ren)行橋(qiao)39座(zuo)，正在施(shi)工(gong)6座(zuo)，3座(zuo)完成(cheng)橋(qiao)板施(shi)工(gong)。工(gong)程設(she)計鋼筋制安3309 噸，已完成(cheng)560噸，其他各項施(shi)工(gong)正在緊張進行中。