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中小型工程
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  medium and small project
     Discussion on flood hydrograph calculation of medium and small project
     中小型工程洪水过程线计算方法探讨
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     The Alekceef's method is a main method to calculate flood hydrograph in the medium and small project planning and designing.
     “阿氏法”是中小型工程规划设计中洪水过程线计算的主要方法。
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  medial and small construction
     Medial and small construction machinery manufacturer how to develop their brand building
     中小型工程机械制造商如何开展品牌建设
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  “中小型工程”译为未确定词的双语例句
     The flyash concrete dam has a good prospect in middle and small water projects, but its design theory remains to be studied.
     粉煤灰混凝土坝在中小型工程中前景看好 ,但对它的设计理论有待进一步研究。
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     Exploration on design and treatment of middle and small types of foundation pit excavating
     中小型工程基坑开挖设计及处理的探讨
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     A simplified mathematical model for solving construction machinery outriggers reaction calculation problems is developed.
     基于变形设计中小型工程机械支腿反力的求解问题,给出了非完全对称支腿支反力计算的简化数学模型,用此数学模型对模拟试验样车进行了计算。
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     This paper introduces the different geological conditions and the suitable project measures in middle and small types of project foundation pit excavating,it also researched the stabilization calculating when the weaving bags are used as temporary slope protection and soil guard wall.
     介绍了中小型工程基坑开挖中遇到的不同地质条件所采取的相应的工程处理措施 ,并对编织袋作临时性护坡及临时性挡土墙的稳定计算进行了研究
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     Several Conclusion Ways of the Project Payment and the Payment in Advance in the Process of the Small and Middle Projects
     中小型工程施工中预付款、工程价款的几种结算方法
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     Environmental Protection of Middle and Small Size Water and Electricity Engineering in Yunnan
     云南中小型水电工程的环境保护
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     Debugging on Effluent Treatment of Medium-small Scale Tannery
     中小型制革废水处理工程的调试
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     ELECnUCAL ENGINEERING
     电气工程
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     South North Water Transfer Project
     南水北调工程
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In order to calculate the thermal load of arch dams, statistical

本文在平板一维热传导理论解答的基础上建立了统计模型,采用国内已建四个拱坝的实测资料作为样本,求得一组计算拱坝最大均匀温升、温降的经验公式。这些公式计算简单,使用方便,计算误差比长期沿用的美国垦务局公式小。 为了确定统计模型中的水库水温因子,本文还对十九个水库水温实测资料进行计统分析,给出了计算水温年平均值,年变幅值的指数型经验公式,计算误差也比其它方法小。 上述经验公式有一定代表性,可供中小型工程设计采用,也可供大型工程在初步设计或方案比较阶段使用。

In order to calculate the thermal load of arch dams, statistical models were erected on the basis of the theory of one dimensional thermal conduction for a plate. From the observation data of four arch dams in China, a set of empirical formulae for calculating maximum of average values of temperature incrcase and decrease was derived. The calculation errors of these formulae are less than of the conventional formulae proposed by USBR. For determining the water temperature factor in the statistical models, the...

In order to calculate the thermal load of arch dams, statistical models were erected on the basis of the theory of one dimensional thermal conduction for a plate. From the observation data of four arch dams in China, a set of empirical formulae for calculating maximum of average values of temperature incrcase and decrease was derived. The calculation errors of these formulae are less than of the conventional formulae proposed by USBR. For determining the water temperature factor in the statistical models, the statistical observation data of 19 reservoirs were analyzed, and the empirical formulae in exponential form for calculating the annual averages and annual ranges of variation of water temperature were obtained. The calculation errors of which are also less than those introduced by other methods.

本文在平板一维热传导理论解答的基础上建立了统计模型,采用国内已建四个拱坝的实测资料作为子样,求得一组计算拱坝最大均匀温升、温降的经验公式。这些公式计算简单,使用方便,计算误差比长期沿用的美国垦务局公式小。为了确定统计模型中的水库水温因子,本文还对十九个水库水温实测资料进行统计分析,给出了计算水温年平均值,年变幅值的指数型经验公式,计算误差也比其他方法小。上述经验公式有一定代表性,可供中小型工程设计采用,也可供大型工程在初步设计或方案比较阶段使用。

Based on the existing condition of the thousands of reservoirs throughout the country, and in view of the necessity of guaranteeing the safety of dams, the erodible fuse-plug spillway and the overflowing embankment dam are surveyed. The topics cover the size, type, washout process,rate of washout, and the standard specifing the operation of an erodible fuse-plug. Also introduced for review are the economic benefits and the technical measures of the overflowing embankment dam,and as well as the behavior of its...

Based on the existing condition of the thousands of reservoirs throughout the country, and in view of the necessity of guaranteeing the safety of dams, the erodible fuse-plug spillway and the overflowing embankment dam are surveyed. The topics cover the size, type, washout process,rate of washout, and the standard specifing the operation of an erodible fuse-plug. Also introduced for review are the economic benefits and the technical measures of the overflowing embankment dam,and as well as the behavior of its bituminous facing. It is recommended that the erodible fuse-plug spillway should be built as an extraordinary flood-relief measure with the completed or intended projects, and in stead the overflowing embankment dam should be used for small and medium constructions.

本文针对全国已建数万座水库存在的实际情况,从保证大坝安全着想,分别对自溃式非常溢洪道和过水土石坝进行了评述。叙述了自溃坝的规模,型式、溃决过程、溃决速率和启用标准以及过水土石坝的经济效益、技术措施等。对沥青护面过水土石坝在这里也作了介绍。建议推广应用自溃式非常溢洪道作为已建或新建工程的非常泄洪措施,建议在中小型工程中,在没有修建岸边溢洪道合适的地质地形条件时,或者在修建岸边溢洪道工程量过大时可考虑选用过水土石坝而不修岸边溢洪道。

 
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