文章來源：中國電力建設集團有(you)限公司 發(fa)布(bu)時間：2018-01-05
2016年(nian)12月31日，深厚(hou)覆蓋(gai)層上世界(jie)在(zai)建(jian)最高壩工(gong)程——長河(he)壩水電站首臺4號機組順(shun)利并網發電。至此，四(si)(si)川(chuan)水電裝機突破7000萬(wan)千瓦大(da)關，達7030萬(wan)千瓦，占全省發電裝機80%，讓四(si)(si)川(chuan)全國清潔能(neng)源基地(di)(di)的地(di)(di)位進一步(bu)凸顯。
長(chang)河壩水(shui)(shui)電(dian)站(zhan)由(you)中國電(dian)建(jian)(jian)集團所屬成(cheng)都院勘測設(she)計(ji)，水(shui)(shui)電(dian)五局、七局負責大(da)壩、泄洪(hong)洞施(shi)工(gong)(gong)(gong)(gong)及(ji)機組安裝(zhuang)，水(shui)(shui)電(dian)十四局承(cheng)擔廠房施(shi)工(gong)(gong)(gong)(gong)。開工(gong)(gong)(gong)(gong)建(jian)(jian)設(she)以來(lai)，工(gong)(gong)(gong)(gong)程(cheng)遭遇了汶川特大(da)地震(zhen)(zhen)、響(xiang)水(shui)(shui)溝泥石流災害、蘆山地震(zhen)(zhen)、康定(ding)地震(zhen)(zhen)等自然災害影響(xiang)。參(can)建(jian)(jian)企業，根據工(gong)(gong)(gong)(gong)程(cheng)實際情況精細設(she)計(ji)，科(ke)學(xue)施(shi)工(gong)(gong)(gong)(gong)，開展(zhan)大(da)量科(ke)研攻關，充(chong)分(fen)考慮類似(si)工(gong)(gong)(gong)(gong)程(cheng)經(jing)(jing)驗及(ji)新形勢下水(shui)(shui)電(dian)和諧、科(ke)學(xue)開發(fa)(fa)的需要，力求方(fang)案安全(quan)可(ke)靠(kao)、施(shi)工(gong)(gong)(gong)(gong)可(ke)行、經(jing)(jing)濟合(he)(he)理、工(gong)(gong)(gong)(gong)期最(zui)優，為工(gong)(gong)(gong)(gong)程(cheng)順利推進、按時投產(chan)、提前發(fa)(fa)揮綜合(he)(he)效(xiao)應奠定(ding)了堅(jian)實基礎(chu)，顯示出集團在巨、大(da)型水(shui)(shui)電(dian)工(gong)(gong)(gong)(gong)程(cheng)設(she)計(ji)施(shi)工(gong)(gong)(gong)(gong)方(fang)面具有雄(xiong)厚的技術(shu)實力。
長河壩(ba)(ba)水電(dian)站位于四(si)川(chuan)省甘孜(zi)藏(zang)族自治州康定縣(xian)境(jing)內(nei)，為(wei)大(da)(da)渡河干流(liu)“3庫(ku)22級(ji)”開(kai)發的第10級(ji)電(dian)站，攔河大(da)(da)壩(ba)(ba)最大(da)(da)壩(ba)(ba)高(gao)(gao)(gao)240米，壩(ba)(ba)基覆蓋層(ceng)厚度50余米，總裝機(ji)容(rong)量260萬千瓦(wa)，年發電(dian)量107.9億千瓦(wa)時。工程具(ju)(ju)有超高(gao)(gao)(gao)邊坡、超高(gao)(gao)(gao)土石(shi)壩(ba)(ba)、高(gao)(gao)(gao)地應力洞室(shi)群、強(qiang)震區高(gao)(gao)(gao)進水塔(ta)、高(gao)(gao)(gao)流(liu)速大(da)(da)功率泄洪、高(gao)(gao)(gao)強(qiang)度大(da)(da)型復雜洞室(shi)交通等特點，工程設計與建設頗具(ju)(ju)難度和挑戰。