水電站下游圍堰堰基防滲工程施工組織設(shè)計

水電站下游圍堰堰基防滲工程施工組織設(shè)計 xx電站下游圍堰設(shè)計堰頂高程為1012.00m，圍堰填筑材料主要為土石料，高程下游圍堰地段出露的巖層為MⅣ-1：黑云花崗片麻巖夾片巖，另外在下游側(cè)堰腳部及江中有人工堆積層（Qs主要由含孤石的塊石、碎石質(zhì)粉土組成，稍密～中密，孤沿帷幕灌漿軸線方向，澆筑混凝土施工蓋板，混凝土蓋板平均厚度不小于0.4m，根據(jù)本次施工的投入設(shè)備情況（參見主要施工機(jī)械設(shè)備表施工主要設(shè)備總功率變壓器設(shè)備由甲方負(fù)責(zé)提供和安裝在下游圍堰左堰肩部位，變壓器以下的低壓部在施工工作平臺的下游側(cè)（施工平臺和水泥制漿站之間全長修建排污溝，斷面孔123456789圍堰合攏后，堰基防滲施工工作全面展開將于xx年11月5日左右開始進(jìn)行。xx的生產(chǎn)工效，按照全線開工日期進(jìn)行安全計算，此次施工需要投入14個施工機(jī)組。計644112622SGZ-Ⅲ642246”21114243221 帷幕灌漿施工深度嚴(yán)格按照設(shè)計要求執(zhí)行，并保證終孔深入基巖的深度不小于帷幕灌漿各段鉆孔深度根據(jù)鉆孔情況具體確定，段長劃分原則見水膨潤土漿水灰50cm時，采用孔口封閉的純壓式灌漿。當(dāng)孔底淤積超過123降可結(jié)束本段灌漿。對于較稀的穩(wěn)定性漿液，結(jié)束標(biāo)準(zhǔn)為在設(shè)計壓力下注入率小于每段灌漿結(jié)束后，根據(jù)灌漿量不同分別確定待凝時間。當(dāng)注入量超過1t時，待凝終孔段灌漿結(jié)束后，如孔內(nèi)漿液水灰比大于0.7：1時，采用膏狀漿液置換出孔內(nèi)進(jìn)行復(fù)灌，復(fù)灌的開灌水灰比根據(jù)透水率大小確定，一般應(yīng)間斷沖孔的情況下，連續(xù)灌注穩(wěn)定性漿液，開灌水灰比為2:1，然后按要求逐級變濃，結(jié)束標(biāo)準(zhǔn)：當(dāng)達(dá)不到設(shè)計壓力時，灌注量已達(dá)到500123456789檢查孔壓水試驗的壓力為0.5MPa。帷幕灌漿壓水試驗采用單點法，壓水試驗方法復(fù)檢合格后由項目部質(zhì)檢人員進(jìn)行終檢，檢查合格并簽字認(rèn)（2）施工現(xiàn)場由專職質(zhì)檢員隨班連續(xù)檢查監(jiān)控，項目部質(zhì)量管理領(lǐng)導(dǎo)小組負(fù)責(zé)定（3）物資部負(fù)責(zé)對施工所用的原材料的質(zhì)量檢查和驗收。保證施工中所采用的各配備足夠數(shù)量和滿足工程質(zhì)量需要的機(jī)械和檢驗測量儀器設(shè)備。并保證設(shè)備的性(1)穩(wěn)固鉆機(jī)：采取鑲鑄地錨緊固鉆機(jī)底盤的措施，使鉆機(jī)在正常運轉(zhuǎn)過程中始終(2)采用合理的鉆進(jìn)方法和工藝技術(shù)參數(shù)，包括準(zhǔn)確定向、控制機(jī)械鉆速、不使用(3)根據(jù)鉆孔情況，可每5～10m進(jìn)行一次孔斜測量，及時了解鉆孔偏斜情況和趨(4)一旦發(fā)現(xiàn)鉆孔超偏，應(yīng)立即停止繼續(xù)施工，采取糾偏措施處理或封孔后重新鉆(1)串漿：如被串孔正在鉆進(jìn)，立即停止鉆進(jìn)；如串漿量不大，可在灌漿的同時向劑；待凝或在漿液中摻加摻和料，如細(xì)砂等。經(jīng)處理后還(2)掉塊卡鉆：如遇到基巖破碎掉塊的地層，在經(jīng)監(jiān)理工程師同意的情況下進(jìn)行灌(1)水泥、鋼材等甲方供貨材料合格證、檢驗證齊全，進(jìn)場后按規(guī)定抽檢，合格后(2)其他灌漿使用材料先調(diào)查料源，取樣試驗，試驗合格并經(jīng)監(jiān)理工程師同意后方杜絕多人重傷大事故、杜絕重大機(jī)械事故、杜絕重大交通事故、杜絕重大水火災(zāi)事故；(4)技術(shù)負(fù)責(zé)人、安全技術(shù)人員經(jīng)常深入工地檢查安全技術(shù)措施的實施情況，及時(7)把好人員上崗資格關(guān)。派至工地?fù)?dān)任技術(shù)崗位和特殊工種的工作人員，均必須④現(xiàn)場運輸?shù)缆菲秸惩?、排水設(shè)施良好；②在施工現(xiàn)場專用中性點直接接地的電力系統(tǒng)中，必須采用TZ-S接零保護(hù)系統(tǒng)，⑨電器設(shè)備的傳動輪、轉(zhuǎn)輪、飛輪等外露部①由于施工現(xiàn)場位于xx水電站的最低處，在帷幕灌漿施工的同時，兩岸山體部分④現(xiàn)場的設(shè)備和設(shè)施應(yīng)有防飛石的保護(hù)措施，重要設(shè)備使(1)建立以工程項目經(jīng)理為第一責(zé)任人、以崗位責(zé)任制為中心的安全生產(chǎn)責(zé)任制。1）建立文明施工責(zé)任區(qū)，劃分區(qū)域，明確管理人，實行掛牌制，做到現(xiàn)場2）施工現(xiàn)場場地平整，道路堅實暢通，設(shè)置相應(yīng)的安全防護(hù)設(shè)施和安全標(biāo)志，周邊設(shè)排水設(shè)施；人行通道的路徑避開作業(yè)區(qū)，設(shè)置防護(hù)4）施工現(xiàn)場的臨時設(shè)施，包括生產(chǎn)、辦公、生活用房、倉庫、料場以及照明、動7）施工現(xiàn)場嚴(yán)禁亂堆垃圾及余物。在適當(dāng)?shù)牡攸c設(shè)置臨時堆放點，定期外運。并8）針對施工現(xiàn)場情況設(shè)置宣傳標(biāo)語和黑板報，切實起到表揚(yáng)先進(jìn)、促進(jìn)后進(jìn)的作9）現(xiàn)場使用的機(jī)械設(shè)備，按平面布置規(guī)定地點存放，遵守機(jī)械安全規(guī)程，經(jīng)常保記錄均應(yīng)按工程師要求的方式和規(guī)格進(jìn)行。要求真實下游排中間排上游排備注孔號孔序孔底高程m孔深m孔號孔序孔底高程m孔深m孔號孔序孔底高程m孔深mA001Ⅰ990.398.01B001Ⅰ990.158.25C001Ⅰ990.398.01施工平臺高程998.4mA002Ⅱ989.928.48B002Ⅱ989.688.72C002Ⅱ989.928.48A003Ⅰ989.448.96B003Ⅰ989.209.20C003Ⅰ989.448.96A004Ⅱ988.979.43B004Ⅱ988.739.67C004Ⅱ988.979.43A005Ⅰ988.509.90B005Ⅰ988.26C005Ⅰ988.509.90A006Ⅱ988.03B006Ⅱ987.79C006Ⅱ988.03A007Ⅰ987.55B007Ⅰ987.31C007Ⅰ987.55A008Ⅱ987.08B008Ⅱ986.84C008Ⅱ987.08A009Ⅰ986.61B009Ⅰ986.37C009Ⅰ986.61A010Ⅱ986.14B010Ⅱ985.90C010Ⅱ986.14A011Ⅰ985.66B011Ⅰ985.42C011Ⅰ985.66A012Ⅱ985.19B012Ⅱ984.95C012Ⅱ985.19A013Ⅰ984.72B013Ⅰ984.48C013Ⅰ984.72A014Ⅱ984.25B014Ⅱ984.01C014Ⅱ984.25A015Ⅰ983.77B015Ⅰ983.53C015Ⅰ983.77A016Ⅱ983.30B016Ⅱ983.06C016Ⅱ983.30A017Ⅰ982.83B017Ⅰ982.59C017Ⅰ982.83A018Ⅱ982.36B018Ⅱ982.12C018Ⅱ982.36A019Ⅰ981.88B019Ⅰ981.64C019Ⅰ981.88A020Ⅱ981.41B020Ⅱ981.17C020Ⅱ981.41A021Ⅰ980.94B021Ⅰ980.70C021Ⅰ980.94A022Ⅱ980.47B022Ⅱ980.23C022Ⅱ980.47A023Ⅰ979.99B023Ⅰ979.75C023Ⅰ979.99A024Ⅱ979.52B024Ⅱ979.28C024Ⅱ979.52A025Ⅰ979.05B025Ⅰ978.81C025Ⅰ979.05A026Ⅱ978.58B026Ⅱ978.3420.06C026Ⅱ978.58A027Ⅰ978.1020.30B027Ⅰ977.8620.54C027Ⅰ978.1020.30A028Ⅱ977.6320.77B028Ⅱ977.3921.01C028Ⅱ977.6320.77A029Ⅰ977.1621.24B029Ⅰ976.9221.48C029Ⅰ977.1621.24A030Ⅱ976.6921.71B030Ⅱ976.3022.10C030Ⅱ976.6921.71A031Ⅰ975.9122.49B031Ⅰ975.4222.98C031Ⅰ975.9122.49A032Ⅱ974.9423.46B032Ⅱ974.4623.94C032Ⅱ974.9423.46下游排中間排上游排備注孔號孔序孔底高程m孔深m孔號孔序孔底高程m孔深m孔號孔序孔底高程m孔深mA033Ⅰ973.9824.42B033Ⅰ973.6924.71C033Ⅰ973.9824.42A034Ⅱ973.4025.00B034Ⅱ973.1125.29C034Ⅱ973.4025.00A035Ⅰ972.8225.58B035Ⅰ972.5325.87C035Ⅰ972.8225.58A036Ⅱ972.2526.15B036Ⅱ971.9626.44C036Ⅱ972.2526.15A037Ⅰ971.6726.73B037Ⅰ971.3827.02C037Ⅰ971.6726.73A038Ⅱ971.1027.30B038Ⅱ970.8127.59C038Ⅱ971.1027.30A039Ⅰ970.5227.88B039Ⅰ970.2328.17C039Ⅰ970.5227.88A040Ⅱ969.9428.46B040Ⅱ969.6528.75C040Ⅱ969.9428.46A041Ⅰ969.3729.03B041Ⅰ969.0829.32C041Ⅰ969.3729.03A042Ⅱ968.7929.61B042Ⅱ968.5029.90C042Ⅱ968.7929.61A043Ⅰ968.2130.19B043Ⅰ967.9230.48C043Ⅰ968.2130.19A044Ⅱ967.6430.76B044Ⅱ967.3531.05C044Ⅱ967.6430.76A045Ⅰ967.0631.34B045Ⅰ966.7731.63C045Ⅰ967.0631.34A046Ⅱ966.4831.92B046Ⅱ966.1932.21C046Ⅱ966.4831.92A047Ⅰ965.9132.49B047Ⅰ965.6232.78C047Ⅰ965.9132.49A048Ⅱ965.3333.07B048Ⅱ965.0433.36C048Ⅱ965.3333.07A049Ⅰ964.7633.64B049Ⅰ964.4733.93C049Ⅰ964.7633.64A050Ⅱ964.1834.22B050Ⅱ963.8934.51C050Ⅱ964.1834.22A051Ⅰ963.6034.80B051Ⅰ963.3135.09C051Ⅰ963.6034.80A052Ⅱ963.0335.37B052Ⅱ962.7435.66C052Ⅱ963.0335.37A053Ⅰ962.4535.95B053Ⅰ962.1636.24C053Ⅰ962.4535.95A054Ⅱ961.8736.53B054Ⅱ961.5836.82C054Ⅱ961.8736.53A055Ⅰ961.3037.10B055Ⅰ961.0137.39C055Ⅰ961.3037.10A056Ⅱ960.7237.68B056Ⅱ960.5537.85C056Ⅱ960.7237.68A057Ⅰ960.3938.01B057Ⅰ960.3038.10C057Ⅰ960.3938.01A058Ⅱ960.2138.19B058Ⅱ960.1238.28C058Ⅱ960.2138.19A059Ⅰ960.0338.37B059Ⅰ959.9438.46C059Ⅰ960.0338.37A060Ⅱ959.8538.55B060Ⅱ959.7638.64C060Ⅱ959.8538.55A061Ⅰ959.6738.73B061Ⅰ959.5838.82C061Ⅰ959.6738.73A062Ⅱ959.4938.91B062Ⅱ959.4039.00C062Ⅱ959.4938.91A063Ⅰ959.3139.09B063Ⅰ959.2239.18C063Ⅰ959.3139.09A064Ⅱ959.1339.27B064Ⅱ959.0439.36C064Ⅱ959.1339.27A065Ⅰ958.9639.44B065Ⅰ958.8739.53C065Ⅰ958.9639.44A066Ⅱ958.7839.62B066Ⅱ958.6939.71C066Ⅱ958.7839.62A067Ⅰ958.6039.80B067Ⅰ958.5139.89C067Ⅰ958.6039.80A068Ⅱ958.4239.98B068Ⅱ958.3340.07C068Ⅱ958.4239.98下游排中間排上游排備注孔號孔序孔底高程m孔深m孔號孔序孔底高程m孔深m孔號孔序孔底高程m孔深mA069Ⅰ958.2440.16B069Ⅰ958.1540.25C069Ⅰ958.2440.16A070Ⅱ958.0640.34B070Ⅱ958.0340.37C070Ⅱ958.0640.34A071Ⅰ958.0040.40B071Ⅰ958.0040.40C071Ⅰ958.0040.40A072Ⅱ958.0040.40B072Ⅱ958.0040.40C072Ⅱ958.0040.40A073Ⅰ958.0040.40B073Ⅰ958.0040.40C073Ⅰ958.0040.40A074Ⅱ958.0040.40B074Ⅱ958.0040.40C074Ⅱ958.0040.40A075Ⅰ958.0040.40B075Ⅰ958.0040.40C075Ⅰ958.0040.40A076Ⅱ958.0040.40B076Ⅱ958.0040.40C076Ⅱ958.0040.40A077Ⅰ958.0040.40B077Ⅰ958.0040.40C077Ⅰ958.0040.40A078Ⅱ958.0040.40B078Ⅱ958.0840.32C078Ⅱ958.0040.40A079Ⅰ958.1640.24B079Ⅰ958.3240.08C079Ⅰ958.1640.24A080Ⅱ958.4939.91B080Ⅱ958.6539.75C080Ⅱ958.4939.91A081Ⅰ958.8239.58B081Ⅰ958.9839.42C081Ⅰ958.8239.58A082Ⅱ959.1539.25B082Ⅱ959.3139.09C082Ⅱ959.1539.25A083Ⅰ959.4838.92B083Ⅰ959.6438.76C083Ⅰ959.4838.92A084Ⅱ959.8138.59B084Ⅱ959.9738.43C084Ⅱ959.8138.59A085Ⅰ960.1338.27B085Ⅰ960.2938.11C085Ⅰ960.1338.27A086Ⅱ960.4637.94B086Ⅱ960.6237.78C086Ⅱ960.4637.94A087Ⅰ960.7937.61B087Ⅰ960.9937.41C087Ⅰ960.7937.61A088Ⅱ961.2037.20B088Ⅱ961.4636.94C088Ⅱ961.2037.20A089Ⅰ961.7336.67B089Ⅰ961.9936.41C089Ⅰ961.7336.67A090Ⅱ962.2636.14B090Ⅱ962.5335.87C090Ⅱ962.2636.14A091Ⅰ962.8035.60B091Ⅰ963.0635.34C091Ⅰ962.8035.60A092Ⅱ963.3335.07B092Ⅱ963.5934.81C092Ⅱ963.3335.07A093Ⅰ963.8634.54B093Ⅰ964.1234.28C093Ⅰ963.8634.54A094Ⅱ964.3934.01B094Ⅱ964.6633.74C094Ⅱ964.3934.01A095Ⅰ964.9333.47B095Ⅰ965.1933.21C095Ⅰ964.9333.47A096Ⅱ965.4632.94B096Ⅱ965.7232.68C096Ⅱ965.4632.94A097Ⅰ965.9932.41B097Ⅰ966.4831.92C097Ⅰ965.9932.41A098Ⅱ966.9731.43B098Ⅱ967.4630.94C098Ⅱ966.9731.43A099Ⅰ967.9530.45B099Ⅰ968.4429.96C099Ⅰ967.9530.45A100Ⅱ968.9429.46B100Ⅱ969.4328.97C100Ⅱ968.9429.46A101Ⅰ969.9328.47B101Ⅰ970.4227.98C101Ⅰ969.9328.47A102Ⅱ970.9127.49B102Ⅱ971.4027.00C102Ⅱ970.9127.49A103Ⅰ971.9026.50B103Ⅰ972.3926.01C103Ⅰ971.9026.50A104Ⅱ972.8925.51B104Ⅱ973.3825.02C104Ⅱ972.8925.51下游排中間排上游排備注孔號孔序孔底高程m孔深m孔號孔序孔底高程m孔深m孔號孔序孔底高程m孔深mA105Ⅰ973.8724.53B105Ⅰ974.8523.55C