摘要：水库的调度运用除了考虑防洪、灌溉、供水、发电、航运等各项功能外,还要利用水库能灵活调控水位、流量的特点,实施以保护和改善环境及生态的调度,消除或缓解兴建水库对生态与环境带来的不利影响。针对三峡工程的具体情况,提出了改善长江口咸潮入侵情势的调度及有利于“四大家鱼”产卵的调度设想。

摘要：南水北调中线工程干线有387 km为膨胀土或膨胀岩渠段,施工期间累计发生有一定规模的滑坡超过100处。通过对工程施工期滑坡的大量解剖、变形位移监测、土体水理指标原位观测,揭示膨胀土渠坡变形破坏主要有浅表胀缩型和较深层结构面控制型滑坡破坏两类。采用水泥改性土换填覆盖处理可以有效减少渠坡膨胀土受大气环境改造的作用,采用地面截渗和地下引排措施可以减少水对土体及结构面的不利影响。当坡体存在长大缓倾角结构面或层间软弱带时,为防止沿结构面产生滑动并维持渠坡长期稳定,必须采取结构抗滑措施。

摘要：引江补汉工程作为南水北调中线工程的后续水源,从长江三峡水库自流引水至汉江丹江口水库坝下,是首个开工建设的南水北调后续工程大型项目,是构建完善国家骨干水网的标志性工程。工程将打通长江三峡向我国北方地区的输水通道,创造长江—汉江—华北平原水资源协同调配的工程条件。

摘要：防洪是长江流域综合治理的首要任务。随着以三峡为核心的长江上中游控制性水库群建成投运,长江流域防洪形势显著改善,但与新阶段高质量发展对流域防洪保安要求尚有一定差距。以“两个坚持、三个转变”防灾减灾救灾理念为引领,坚持“人民至上、生命至上”,树立底线思维,把握流域防洪面临的新形势、新变化,亟须构建“防洪标准层次化、防洪工程系统化、防洪调度智能化、防洪管理现代化”的长江防洪体系,支撑新阶段水利高质量发展,筑牢社会主义现代化国家防洪安全屏障。

摘要：我国水库总数的99%为中小型水库,在生产生活中发挥着重要作用,中小型水库大坝安全意义重大。随着极端气象事件频发、大坝“老龄化”、运行环境变化,我国中小型水库防洪安全面临巨大挑战。分析了中小型水库防洪能力现状及面临的挑战,提出了系统治理理念,通过创新防洪安全理念、适当提升防洪标准、持续推进防洪能力达标、提高信息化管理水平等系统治理措施,不断提高我国中小型水库防洪能力。

摘要：针对操动机构加热器参数设计的问题,开展高压断路器用弹簧操动机构加热器的温湿度数值仿真研究,分析环境温度、功率、尺寸等参数对机构箱内温度分布的影响规律。结果表明:加热器周围及正上方的空气温度最高、相对湿度最低,随着空气的横向流动,空气温度逐渐降低、相对湿度有所升高;环境温度和加热器的功率对操动机构箱体内的最低温度、最大相对湿度及加热器表面最高温度的影响非常显著;加热器尺寸对操动机构箱体内的最低温度和最大相对湿度的影响很小,但对加热器表面最高温度的影响比较显著。

摘要：To date,the Three Gorges Project is the largest hydro junction in the *** is the key project for the integrated water resource management and development of the Changjiang *** technology of the project,with its huge scale and comprehensive benefits,is extremely complicated,and the design difficulty is greater than that of any other hydro project in the world.A series of new design theories and methods have been proposed and applied in the design and research *** key technological problems regarding hydraulic structures have been overcome,such as a gravity dam with multi-layer large discharge orifices,a hydropower station of giant generating units,and a giant continual multi-step ship lock with a high water head.

摘要：The general design and layout of the double-line five-step ship-lock,the water delivery technique for high head ship-lock,the key technical problems of fully lined ship-lock and the monitoring techniques for large-scale miter gates and hoisting equipment under complicated operation conditions of Three Gorges Project (TGP) are *** the operation of ship-lock in 2003,the operation practice has proved that the design techniques are advanced,rational and *** design and construction of the fully lined ship-lock promotes the development of design theory and practice of ship-lock projects,which makes the construction technology of ship-lock in the world reach a new level.

摘要：Reinforcement detail drawings are one important part of the design of hydraulic structures and the important basis of construction and management. However, the efficiency of the traditional creation of engineering drawings is very low and the workload is heavy. There is no satisfactory software for hydraulic engineering because of the irregularity and diversity of hydraulic structures' shape. An automatic generation system of reinforcement detail drawings for hydraulic structures is introduced. Its functions and modules are introduced first. The related technologies such as automatic driensioning are discussed in detail. At the end of the paper, an example is given.

摘要：提出加快水电建设应以流域综合规划为依据,全面贯彻水资源综合利用的原则,合理有序地发展水电建设;从勘测、规划、设计、建设管理各阶段处理好水电建设与水库淹没及生态环境保护的关系;同时要尽快修订长江流域综合规划,完善相关经济政策,制定有关法规,支撑水电建设的健康发展。