dw随州市炎帝神农故里风景区烈山湖水库初步设计阶段工程地质勘察报告.doc
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1、Gay is now a provincial key construction project of aluminum Ltd-province with an annual output of 50,000 tons of technical innovation project of environmental protection and energy saving of electrolytic aluminum project manager. In this technological transformation projects, he has overall respons
2、ibility for the day-to-day affairs of the project. In order to ensure that southern companys control the scale of investment, strengthen field management, pay special attention to project progress, and ensure a successful operation, the overall goal. He and Engineering Department under the leadershi
3、p of all the staff in the companys technical command, on the difficulties and to overcome technical difficulties in the process, work hard, have made outstanding achievements, mainly reflected in the following aspects: first, careful organization and management achieved remarkable results. Technical
4、 innovation project of the year, started and completed a series of bids and completed to date, from production engineering to put into production after nearly a year, has achieved very significant results. A project first 56 slots from dismantling the old slot just 168 days, civil engineering, insta
5、llation, commissioning, guarantee engineering quality under the premise, on the production side transformation under difficult conditions, created the national industrys fastest speeds. II 32 large prebaked electrolytic cell on November 7 has been installed, marks has an annual production capacity o
6、f 50,000 tons of electrolytic aluminum production capacity of aluminum. Entire project almost 8 months earlier than planned, achieved the goal of production transformation benefits that year, created favorable conditions for aluminum through South. Second, effectively control the investment. Project
7、 is subject to a scientific approach to bidding, bidding to make savings of 20 million Yuan, in the implementation process of the project, every domestic prices of steel, cement and other building materials, the old buildings on the base encountered great difficulties in dealing with significant inc
8、rease in the volume of civil engineering, but through rationalization and optimization, project control in fixed investment of 350 million Yuan. Third, environmental energy-saving effect of the project. Project investment of nearly 30 million Yuan, using large prebake technology and aluminum oxide d
9、ense phase and hyper dense phase conveying technology, fluoride and other harmful gases purification efficiency of up to 98%. Compared with Soderberg cell before the modification, power consumption can be reduced by 1500 tons of electrolytic aluminum, and project environmental protection and energy
10、saving effect is obvious. Four are in a relatively short period of time to the normal production. After four months of efforts, a project has put into operation all the 54 240KA large cell into regular production, stable current channel conditions and all the economic indicators are good, current ef
11、ficiency in October had reached 93%, is close to and reach the domestic advanced level. In the case of production half of the cell, this effect can be achieved and better level in the industry. 50,000 tons of electrolytic modification process, from preliminary study to equipment selection, cost cont
12、rol, project progress, quality control and coordination among the various sub-projects and various professional, technical command under the correct leadership, both from an overall perspective, emphasis on integrity, and earnestly implement the relevant laws and regulations, strictly act according
13、to the contract. He tried to learn relevant knowledge, good style of business, operational and organizational coordination ability, project efficiency, quality and safety assurance system in place, with all units involved with the coordination and good .随州市炎帝神农故里风景区烈山湖水库初步设计阶段工程地质勘察报告随州市炎帝神农故里风景区烈山湖
14、水库初步设计阶段工程地质勘察报告1.前言1.1工程概况拟建烈山湖水库位于湖北省随州市曾都区炎帝神农故里风景区方家湾村,水库拦截府河上游氵厥 水三道河支流,距厉山镇约1.5km,距随州市约20km(见图1.1.1:烈山湖水库交通位置及流域水系图)。拟建烈山湖水库为一座小(二)型水库,水库由大坝、输水涵洞等组成,根据国家防洪标准(GB50201-94)和水利水电工程等级划分及洪水标准(SL252-2000),烈山湖水库工程等别为等工程,主要建筑物为级。水库承雨面积1.3Km2,多年平均降水量973mm,多年平均径流量44.85万m3。总库容50.0万m3,调洪库容6.22万m3,兴利库容11.83
15、万m3,死库容31.95万m3。水库正常蓄水位94.60m(黄海高程系统),设计洪水位94.65m,校核洪水位95.14m,死水位93.50m。水库设计防洪标准为20年一遇洪水设计,200年一遇洪水校核。水库大坝拟采用粘土心墙坝,坝顶长度222m,宽度6.0m,最大坝高13.1m,坝顶高程96.5m。输水涵洞位于大坝右侧,全长55m,为1.6m1.6m钢筋砼方涵,进口底部高程87.0m,出口高程86.45m,纵坡比1:100。在已选定水库坝址的情况下,襄樊地质工程勘察院(以下简称我院)受随州市炎帝神农故里风景区管理委员会的委托,对拟建烈山湖交通位置及流域水系图 图1.1.1水库的库区、坝址区进
16、行初步设计阶段的工程地质勘察工作。根据水电枢纽工程等级划分及设计安全标准(DL5180-2003),此工程安全等级为四级。1.2勘察目的与任务我院针对工程的重要性和勘察工作的特殊性,及时组织成立了勘察工作项目组,并依据设计文件和我院现行质量管理体系文件(ISO9001)及相关标准、规程、规范,编制了详细可行的勘察方案,对勘察工作提出了具体的任务和技术要求。依据随州市水利水电建筑设计院提供的水库勘探点平面布置图,我院在收集、整理前人工作成果的基础上,通过现场调查、勘察、测绘,取得了详细的试验数据资料,经室内分析、综合整理,提交此次工程地质勘察报告。本次勘察目的是查明拟建水库区、坝址区的工程地质条
17、件,为选定的坝址坝线、枢纽布置及地基处理方案进行地质论证,为建(构)筑物设计提供地质资料。其主要任务是:1.2.1开展工程地质测绘,对区域地质构造作出必要的调查和评价,查明拟建坝址区的地形地貌、地层岩性、地质构造。1.2.2通过钻探、坑探、现场原位测试等方法,对拟建坝址区的水文地质、工程地质条件等问题作出评价。1.2.3取样进行室内土工试验,提供坝址区岩土层有关物理力学指标。1.2.4对拟建坝址区进行工程地质评价,包括水库渗漏、库岸的稳定性并预测蓄水后可能引起的环境地质问题。1.2.5调查天然建筑材料(土料、砂、石料)分布、储量、质量、开采及运输条件。1.3勘察依据本次勘察除满足初步设计勘察阶
18、段设计要求外,主要执行水利部门的规程、规范及技术标准:1、水利水电工程地质勘察规范(GB50287-99);2、中小型水利水电工程地质勘察规范(SL55-2005);3、水利水电工程地质测绘规程(SL299-2004);4、水利水电等级划分及洪水标准(SL252-2000);5、碾压式土石坝设计规范(SL274-2001);6、水电枢纽工程等级划分及设计安全标准(DL5180-2003)。1.4勘察过程及完成工作量在本次勘察工作之前,有关单位曾对拟建烈山湖水库大坝选址进行过必要的调查工作。2007年10月13日,受随州市炎帝神农故里风景区管理委员会的委托,我院承担了对拟建烈山湖水库初步设计阶段
19、的工程地质勘察工作。在坝区工程地质调查及测绘的基础上,勘察工作主要采用钻探取样、坑探、标准贯入试验、动力触探试验、钻孔注水试验、钻孔压水试验等手段进行;采取岩土、水样进行室内试验(常规、颗分、击实、渗透、自由膨胀率、岩石饱和单轴抗压强度及水质分析等)。勘察方案科学、可行,勘察手段齐全,数据真实可靠。2007年10月15日正式开工,10月20日结束全部外业工作,完成实物工程量详见表1.4.1:完成实物工作量统计表。勘探点布置详见附图1:烈山湖水库工程地质平面图。报告所采用的地形图(比例尺12000)由随州市规划勘测设计研究院提供,采用黄海高程系统,独立座标系统。完成实物工作量统计表 表1.4.1
20、工作项目单位工作量完成单位测绘1/2千工程地质测绘Km20.327襄樊地质工程勘察院钻探钻探m/孔42.9/3坑探坑探m387.5取样原状样组11扰动样组3岩石样组4击实样组2水样组1现场试验注水试验段/孔6/3压水试验段/孔3/3室内试验常规分析组8武汉岩土工程测试研究所慢剪试验组3膨胀试验组3渗透试验组3颗粒分析组7击实试验组2湖北省地矿局襄樊实验室水质分析组1岩石饱和抗压强度组42.区域地质概况2.1自然地理水库流域处于中纬度季风环流区域的中部,属于北亚热带季风气候。因受太阳辐射和季风环流的季节性变化的影响,气候温和,四季分明,光照充足,雨量充沛,无霜期较长,严寒酷暑时间较短。据统计,流
21、域区多年平均气温15,多年平均降雨量866mm,多年平均来水量650万立方米,多年平均灌溉水量313万立方米。2.2地形地貌库区在区域上属构造剥蚀丘陵-河谷-垄岗地貌区,属南襄盆地边缘之随枣凹陷区。地形起伏不大,山势平缓,主要地貌单元为低缓的山丘与宽缓的山间凹地、岗状平原。地形交错,地势开阔,相对高差不大。坡体植被一般,沟谷呈缓“U”字型,宽100-200m。2.3地质构造2.3.1区域地质构造区域上属秦岭褶皱系()东段随州加里东褶皱带()之应山复式倒转背斜()西段北翼随枣凹陷区,区内主要沉积一套紫红色陆源碎屑沉积岩;下伏古老变质岩,分布厚度巨大,构成复式向斜及背斜构造的核部地层,构成槽区沉积
22、地层的古老变质岩基底。二者呈角度不整合接触关系。坝区构造条件较为简单,未发现区域性或明显的大断层。随应复背斜:轴线位于新市、高城、余店一线,走向北西,两翼倾向北东,由于后期断裂构造发育,使总体构造支离破碎,特别是万店-马坪-平林近南北向断裂形成之后,将背斜分割为东西两部分。应山褶皱束:属随应复背斜的次级构造单元,褶皱束内次级褶皱、次级小断裂非常发育,表现为同一岩层的多期反复褶皱。深大断裂在本区内较少发育,仅局部见破碎带,且规模不大,构造形迹短小。扬子期岩浆活动剧烈,区内火山岩于随南及随北一带分布范围较广。受火山喷发及岩浆作用,基性花岗岩株、岩脉多见发育。区域地质构造详见图2.3.1:区域地质构
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