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乌江渡水电站水工建筑物运行30多年来,其运行维护管理已步人了标准化、规范化的轨道。由于水工建筑物的管理具有特殊性和复杂性,该电站水工建筑物及其附属设施存在技术管理、检修维护、防洪调度以及监测设施等方面的问题。本文结合现行规范和现场技术管理情况,对该电站水工建筑物运行管理中存在的问题进行了分析探讨,并提出相应的解决办法。 相似文献
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静水压试验是主要对管道、接头、管件、各种阀件及镇墩、连通、分水口等附属建筑物的设计、制造、安装质量进行综合验证。是管道安装完成后质量检验的必要环节,文中以张峰水库工程输水二干玻璃钢夹砂管静水压试验为例,介绍了静水压试验的施工工艺和方法。 相似文献
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现场安全检测是判断泵站水工建筑物、机电设备、金属结构及附属设施能否投入运行或者继续运行、使用的基础性和关键性环节.也是预防泵站水工建筑物、机电设备、金属结构等损坏及保证泵站安全运行的重要措施。影响泵站现场安全检测质量的因素很多.包括检测依据.仪器设备、环境条件、人员素质、管理制度等。 相似文献
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《云南水力发电》2020,(1)
电站在运行过程中,受自然环境影响、机组运行和检修工作等因素影响,会导致水工建筑物及附属设施的局部缺陷,一定程度影响到电站生产设施设备的安全稳定运行。为消除缺陷,电厂维护部门通过招标,引进外包队伍实施零星项目开展水工建筑物及附属设施的维护工作。按电厂高标准、严要求的原则,通过加强前期现场统计、开展风险分析、规范招标流程的手段做好项目的招标工作;通过签发"任务单"、进行过程"经济活动分析"的方式进行合同精细化管理;通过实行"四个一样"要求,强化安全教育、交底工作和项目施工全过程监管,抓好外包工程安全管理。多措并举解决零星项目规模小、类别多、施工部位零散、管理难度大等难点。 相似文献
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犍为航电枢纽建设在鱼类洄游通道上,阻断了当地鱼类洄游.为了减缓枢纽对鱼类种群结构及渔业资源的影响,设置过鱼设施连通鱼类洄游路线是工程常规方法.通过分析枢纽布置和地形条件,选择了仿生态鱼道作为过鱼设施;针对过鱼对象的游泳能力及生物学特性,结合模型试验研究成果,对鱼道总体布置、进口、出口、主体段以及附属建筑物等进行了合理设... 相似文献
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《中国水能及电气化》2020,(6)
近年来,水利信息化建设项目逐渐成为水利现代化建设的重要内容。由于水利信息化项目建设内容涉及附属设施建设、设备采购安装、软件(程序)开发和系统集成应用等多项内容,现行规程规范在质量检验与评定尤其是单元工程质量检验与评定过程中,还存在单元评定表格不易与质量评定实际相结合、质量检验与评定结论的支撑或备查依据不明确、质量检验与评定资料不统一问题,不便于水利信息化建设项目实施过程中实体工程质量的控制和质量评(认)定。文章旨在结合疏勒河灌区水利信息化项目建设实际,探讨现行规程规范与水利信息化建设项目单元工程质量检验与评定存在的差异,供规范实行时参考。 相似文献
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<正>经四川省水利厅审定,四川省质量技术监督局批准,四川省地方标准《渠道工程施工质量检验与评定规程》DB51/T1627—2013、《小(微)型农田水利工程施工质量检验与评定规程》DB51/T1628—2013在该省正式颁布执行。《渠道工程施工质量检验与评定规程》共14章、42节、202条和2个附录,按渠系工程的功能,将明渠开挖、渠道填方、混凝土工程、明渠衬砌、水闸、钢闸门及启闭机安装、隧洞、渡槽、倒虹吸管、陡坡,跌水、涵洞(暗渠)、跨渠建筑及附属设施作为独立的 相似文献
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以北京市"2015-07-18"及"2016-07-20"等2场短历时、高强度特大暴雨为例,对南干渠工程输水设施的积水情况进行了分析,对城市地下管涵附属建筑物防汛工作提出了合理化建议,对今后规划和制定南水北调配套工程的防汛预案有一定的借鉴作用。 相似文献
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该文结合东深供水改造工程、惠州大亚湾引水工程、湛江钢铁项目鉴江引水工程的设计实践,从输水方式、路由的选择、管材、管径比选及糙率选择,以及管道附属设施及穿越道路、江河等各种交叉建筑物设计等方面进行探讨,为类似长距离跨流域调水工程设计提供参考。 相似文献
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J Byrne S Kienzle D Johnson G Duke V Gannon B Selinger J Thomas 《Water science and technology》2006,53(10):327-334
Long-term trends in alpine and prairie snow pack accumulation and melt are affecting streamflow within the Oldman River Basin in southern Alberta, Canada. Unchecked rural and urban development also has contributed to changes in water quality, including enhanced microbial populations and increased waterborne pathogen occurrence. In this study we look at changing environment within the Oldman River Basin and its impact on water quality and quantity. The cumulative effects include a decline in net water supplies, and declining quality resulting in increased risk of disease. Our data indicates that decreases in the rate of flow of water can result in sedimentation of bacterial contaminants within the water column. Water for ecosystems, urban consumption, recreation and distribution through irrigation is often drawn from waterholding facilities such as dams and weirs, and concern must be expressed over the potential for contaminate build-up and disproportionate potential of these structures to pose a risk to human and animal health. With disruption of natural flow rates for water resulting from environmental change such as global warming and/or human intervention, increased attention needs to be paid to use of best management practices to protect source water supplies. 相似文献
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Christian Massari Tian-Chyi Jim Yeh Bruno Brunone Marco Ferrante Silvia Meniconi 《Water Resources Management》2013,27(13):4637-4654
Environmental concerns and legislation of the water industry have recently drawn the attention of many researchers to the management, calibration and power cost reduction of water pipeline systems. Effective water system management rests upon the knowledge of the current state of a water pipeline system. For example, leakages, unknown status of in-line valves, and partial blockages are often a source of management costs. These anomalies must be detected and corrected as early as possible. In this paper a diagnosis tool is presented able to detect leaks, partially closed in-line valves and partial blockages by means of transient head measurements. The algorithm introduced is a Stochastic successive Linear Estimator [SLE] (Yeh et al. Water Resour Res 32: 2757–2766, 1996a) which provides statistically best unbiased estimate of these anomalies and quantifies the uncertainty associated with these estimates via assimilation of available information. Therefore, the information from common diagnosis techniques e.g., inspection methods, and head measurements available at different locations of the system, obtained by different transient tests are fused to provide the most accurate and reliable diagnosis. 相似文献
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针对水下混凝土结构易产生的损伤及老化,介绍了裂缝防渗修补、冲坑和淘洞修补等几种修补加固技术及其水下施工方法和材料。这些修补技术在实际运用中均收到了良好的效果,保证了结构的可靠性。 相似文献
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The problem of managing water scarcity by resorting to complex interconnected multi-source water systems needs to utilize
management optimization techniques analyzing aspects of water quantity and quality in a common strategy. In the southern regions
of Mediterranean Europe, the greater part of water resources for supply systems are derived from artificial reservoirs and
water systems can become quite complex since they interconnect several sources and demand centers, as indeed occurs in the
Region of Sardinia (Italy). A simplified approach to the requirement to insert water quality aspects in the mathematical optimization
model can be achieved by examining the trophic conditions of reservoirs. Trophic State Indexes (TSI) based on Carlson’s (1977) make it possible to insert quality constraints in the water management optimization model also considering complex multi-reservoir
and multi-user systems. Model formalization and implementation by the optimization toolkit WARGI (Water Resource system optimization
aided by Graphical Interface) (Sechi and Zuddas 2000; Manca et al. 2004; Salis et al. 2005) is illustrated in this paper. The usefulness of a mixed quantity–quality optimization approach has been confirmed by WARGI
application to a real multi-reservoir water resources system in southern Sardinia. The optimization model remains computationally
efficient dealing with this complex multi-reservoir system and the obtained results can be seen as a reference target in a
subsequent simulation phase. 相似文献
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干砌石护坡是土石坝迎水坡护坡的主要形式,其工程质量主要取决于砌块的体积、质量、施工方法等方面.本文就岸堤水库大坝迎水坡护坡块石设计、施工及质量控制等方面进行了总结阐述,以供参考 相似文献
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简要介绍水口坝下枢纽工程兴建,从工程选址、通航标准、枢纽主要建筑物设计、自然条件对拟建工程的影响、施工期通航条件、安全保障措施等方面进行了分析论证和安全评估. 相似文献