水庫達(dá)標(biāo)加固工程大壩灌漿施工總結(jié)

水庫達(dá)標(biāo)加固工程大壩灌漿施工總結(jié)括壩基帷幕灌漿；壩體劈裂式灌漿;和壩體岸坡段的充填式灌漿.目的是減少或阻止壩基，壩體的滲漏,降低壩體浸潤線，消除多解決壩體滲透穩(wěn)定問題.該分部工程于2008年4月20日開工，我公司接受該項(xiàng)施工任務(wù)后,組織有關(guān)人員認(rèn)真地閱讀設(shè)計(jì)本次施工全部機(jī)械總裝機(jī)用電量80千瓦，同時(shí)使用機(jī)率60%：輸電總線按50千瓦需求計(jì)算。選用70平方毫鋪設(shè)，從壩后電站專用變壓臺至壩頂中點(diǎn)，設(shè)總電箱。再由總電箱向壩體兩端分兩路送電。沿壩體全長每20米設(shè)一電線桿，每40米設(shè)一分電箱：各分電箱所在樁號分別為0+80，0+120，0+160，0+200，0+240；以滿足各機(jī)械臺班在壩體全長各施工點(diǎn)本次施工包括壩基帷幕灌漿，壩體劈裂式灌漿和充填灌漿2、灌漿泵：BW160型三缸中壓泥漿泵三臺，流量7.2-9立4、S-2dn6/3泥漿泵2臺：流量6立方米/小時(shí)，最大壓力度以及開孔位置，確保孔位偏差不大于10cm，孔向豎直。壩身洗至回水澄清，孔內(nèi)殘積小于20cm后進(jìn)行壓水試驗(yàn)。先導(dǎo)孔采自下而上分段灌漿法；孔壁高度破碎時(shí)采用自上而下分段灌漿沒劈裂灌漿注漿管并注入少量純粘土漿后封閉注漿管口以保持式方法進(jìn)行施工。灌漿壓力通過現(xiàn)場試驗(yàn)后確定為0.3mpa（孔5:13:12:10.8:10.6:1c、灌漿過程的綜合控制:包括灌漿壓力,每次灌量,灌漿間灌漿起劈壓力為0.1-0.3mpa,確定孔口壓力控制在0.3mpa左右最大不超過0.45mpa,與設(shè)計(jì)初定壓力范圍符合。灌量方面按每量比為:4.3:2.1:1呈現(xiàn)正常的遞減情況。壩體最大沉降發(fā)生在情況沒有發(fā)生；至第三序灌漿，壩面出現(xiàn)冒漿,采用開挖鍾實(shí)處理后繼續(xù)灌注,至第三序第三次灌漿串孔現(xiàn)象普遍發(fā)生,壩肩相本次充填式灌漿針對壩體岸坡段進(jìn)行.不分孔序,段長控制在10米以內(nèi),灌漿次數(shù)為五次。灌漿初期孔口三、安全生產(chǎn):我公司在本工程涉及的安全事宜嚴(yán)格遵守國家的安全法律的指導(dǎo)監(jiān)督。建立了完善的施工安全保證體系,制定并執(zhí)行了嚴(yán)孔號樁號孔深每段灌量升總灌量（升）每米灌入量干土灌入量單位干土灌量4段A10-218.413341334158.8659.0578.45A20-1514.07124413442588183.91156.582.19A30-913.72115513452500182.21116.1581.35A40-311.7194411732117180.9904.7177.26A50+310.869.31613.21622.5149.4862.6179.43A60+910.679.81684.31694.1158.8912.1985.49A70+1512.14110511932298189.3925.6276.25A80+2110.2525915861845911.3475.07A90+2710.6486511432008188.72800.4275.23A100+3311.0348513441829165.8736.5666.78A110+3917.021065112411633352196.9864.9150.82A120+4517.0283593312863054179.41329.9678.14A130+5111.82111411352249190.3872.7773.84A140+5710.2231614571773173.5788.7377.17A150+638.613041304151.63590.1668.62A160+696.9812341234176.8608.3687.16A170+755.912141214205.76483.9482.02A180+815.9511851185199.2447.4575.2A190+875.9910741074179.3454.4675.87A200+936.0312231223202.8529.5787.82A210+996.0714041404231.3410.3267.6A220+1056.11963963157.6415.4768A230+1116.9813741374196.85610.1687.42A240+11712.7778314462229174.5902.2370.65A250+12313.52111512152330172.3494970.2A260+1299.4894510842029214786.8183A270+13510.590410441948185.52838.6879.87A280+14111.5292317552678232.51192.14103.5A290+14712.5492411552079165.79894.4971.33A300+15313.5691315352448180.5888.2365.5A310+15916.71140520643469207.61261.0175.46A320+16519.86540140315143457174.11597.4380.43A330+17120.561035107611403251158.11458.0670.92A340+17721.22875160511453625170.81558.373.44A350+18326.888741633113410144655173.22110.2178.5A360+18918.98833160412143651193.31564.4182.42A370+19511.0392511242049185.8874.5679.29A380+2018.3613461346604.5472.31A390+2079.7318151815186.5740.5576.11孔號樁號孔深每段灌量升總灌量（升）每米灌入量干土灌入量單位干土灌量4段A400+21311.08101411842198198.4884.8879.86A410+2197.4415341534206.2538.0472.32A420+22514.0184414942338166.9968.0869.1A430+2316.5912441244188.8540.3482A440+2376.6811361136521.14A450+2437.113031303183.5577.781.37A460+2497.5212271227163.2569.9375.79A470+2558.3719341934231763.6489.63A480+2618.5213441344157.7671.8678.86A490+26714.7113416932827192.31260.6985.76A500+27314.1397412442218156.97973.7868.92A510+2799.112151215133.52575.3563.23A520+2859.111561156127.03567.9461.75B10-1910.298758051680163.27562.3554.65B20-1314.0672511131838130.73719.5751.18B30-713.0573511361871143.37704.4653.98B40-111.046438841527138.32573.1651.92B50+510.527861073185910.52681.1864.75B60+1111.167069041610144.27609.0454.57B70+178.9710331033115.16438.6848.91B80+2310.386858231508145.28542.8352.3B90+2910.777149221636151.9582.3254.07B100+3511.026758141489135.12530.0448.1B110+4117.027359738142522148.18882.0751.83B120+4711.027348431577143.1543.749.34B130+5311.37149651679148.58573.6250.76B140+599.68984984101.65370.7438.3B150+658.0610651065132.1346257.32B160+716.4410331033160.4413.5864.22B170+775.92844844142.57277.5446.88B180+8310.966849031587144.8577.9852.74B190+896853853142.17282.7847.13B200+956.0410731073177.65339.9856.29B210+1016.09924924151.72333.4454.75B220+1076.4510851085168.22350.154.28B230+1137.24985985136.05374.251.69B240+11913.037448741618124.17552.6642.41B250+1258.8211361136128.8468.2453.09B260+1319.8212251225124.75427.843.56B270+13710.849048421746161.07520.3448B280+14311.869448131757148.15619.652.24孔號樁號孔深每段灌量升總灌量（升）每米灌入量干土灌入量單位干土灌量4段B290+14912.888159731788138.82685.1253.19B300+15514.6184611231969134.77794.1554.36B310+16117.768458747622481139.7908.8351.17B320+16720.1287510249332832140.761182.3758.77B330+17320.7882681410632703130.081082.3952.09B340+17926.448059658948633527133.41496.5456.6B350+18527.192710158838333658134.981522.856.19B360+19115.4690510651970127.4375949.09B370+19710.148957841679165.58587.9157.98B380+2038.8310431043118.12449.5850.92B390+20310.187958531648161.89619.8360.89B400+2159.8811751175118.93515.9552.22B410+22114.298049341738121.62687.0848.08B420+22713.879158881803668.1348.17B430+2336.4511031103361.7856.09B440+2396.8211141114163.34323.9247.5B450+2457.2411441144158.01380.7452.59B460+2517.6611461146149.61352.9646.08B470+2578.412351235147.02419.649.95B480+2638.5812341234143.82422.2449.21B490+26915.359449441888693.0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