In this paper , applying the theory and method of system engineering and administer accountant , combining the huatan project , the optimization among the construction scheme matching machine and expenses were studied thoroughly . through the simulation and optimization in construction process , mixing and transport subsystems of huatan dam , and analyzing the influence factors of damming capability , establishing the correspond systems analysis software of dlp model 本文应用系统工程、管理会计的理论和方法，并结合花滩碾压混凝土大坝工程实践，系统而深入地研究了筑坝的施工方案、机械配套和费用优化，对花滩碾压混凝土坝施工过程、拌和运输子系统的模拟和优化，分析了碾压混凝土浇筑能力的影响因素，建立了dlp模型相应的系统分析软件。
It founds natural heightening theory for warping dams and puts forward specific way of diversion , measures for preventing dam eroded and design for energy dissipation and flood storage of cofferdams and sedimentation and dewatering through exploration and study on deposition in front of natural formed dam and the techniques of building dam through hydraulic filling 通过对天然聚湫坝体前的淤积和“水力冲填”筑坝技术的探索和研究，创立了淤地坝坝体自然加高的理论，并提出了具体的导流方式、坝体防冲措施及围堰消能蓄洪、留淤脱水设计。
Rock - fill dam is the one chief type of soil - rock dam , there are much virtue of safety function , adaptability used the local material , be benefit to mechanical building , be short in building time and low in cost , being simple in the building during closure and diversion , etc . it suit the condition of our nation and the environment where the water conservancy works and hydroelectric power plant located , we accumulate the ample practical experience and a series of achievement in scientific research and become a model of having ample competition in the construction and development of piled rock clam 堆石坝是土石坝的主要坝型之一，它具有适应性强，就地取材，便于机械化施工，工期短，造价较低等优点，在水利枢纽设计中被广泛应用，而且已经积累了丰富的实践经验和成套的科研试验成果，在水利枢纽的坝型选择中具有很强的竞争力。就堆石坝而言，根据筑坝方式和筑坝材料的不同，也有多种坝型。
Temperature control and crack prevention of concrete - the simulation analysis characteristics of dams construction with mgo concrete , the theory apply " equivalent time " to the model for computing autogenous volumetric change of concrete which be relate to temperature history . it makes computing autogenous volumetric change of concrete be realized at case of arbitrary temperature history , so the problem puzzled engineer over a long period of time may be dispelled 针对温控防裂的一项新技术?外掺mgo混凝土筑坝技术的仿真计算特点，提出了应用“有效时间”理论，来考虑自生体积变形与温度历史有关的膨胀模型，使长期以来困绕工程界有关外掺mgo在任意温度历史下产生的膨胀变形的应力补偿计算成为可能。
With the advent of 21st century , a greater development is taking place in the dam construction in china , where this technique must play more important role . therefore it has great advantage of technology and economy and will bring a bright prospect to the development in the dam construction in china 进入二十一世纪，中国的大坝建设面临着一个更大的发展高潮，外掺氧化镁微膨胀混凝土筑坝技术必将在其中起着很大的作用，因此，该项技术在我国大坝建设中具有重大的技术经济优势和发展前景。
Abstract : in the filling construction of lianhua concrete face rockfill dam , we have paid attention to plan the material sources according to the actual conditions , such as , using the excavated materials in other structures in order to reduce the cost , adopting the measures of filling by zones to quicken the construction progress and solve the construction problems during the cold seasons , using the convenient transportation roads to the dam and good road surface quality to ensure the high intensity filling , and selecting the rational construction equipment to make full use of the all equipment 文摘:莲花面板堆石坝填筑施工中，注意对筑坝料源做出符合工程实际情况的规划：利用其他建筑物的开挖料降低造价；采用分区填筑的措施，加快施工进度和解决寒冷季节施工问题；方便的上坝交通道路网和良好的路面，为高强度填筑提供有力保证；选择合理配套的施工设备使设备得到优化利用。
Look back generally to elaborate the development and present situation of the stress - strain model of soil . according to a great deal of data of the test and research of zipingpu reservoir concrete faced rockfill dam ' s material , suggest the more reasonable stress - strain - volume change equation to contain strain softening , dilatancy ( shrinkage ) of the no viscous moraine and gravel . suggest the method to gain the model ' s parameter 较全面回顾阐述了土体本构模型的发展和现状，根据紫坪铺面板堆石坝筑坝料的大量试验研究，提出相对合理的应力应变关系方程，以反映土体的应变软化、剪胀性，并提出模型参数的求取方法，求取模型参数。
The result shows that the profile of the main dam and the second dam and all the impervious rock fill material have no problem . the total seepage volume is 3 . 9092x106m3 per year . it occupies 0 . 037 % of the average inflow of the reservoir , which is acceptable from the point of view of the water resources utilization 分析结果：确定采用的主、副坝坝剖面及各种筑坝料在渗透稳定性方面均无问题；全坝渗漏总量为390 . 92万m ~ 3年，占多年平均入库水量的0 . 037 ，从水资源利用的角度是可以接受的。
The technique of dam construction by weakly expansive concrete added with magnesia ( wecam ) is a new technique developed in china , in which appropriate light - burnt magnesia is added to dam concrete when produced to generate a special delayed expansive stress to compensate shrinking stress due to decrease of temperature so as to prevent concrete cracks . it not only is in favor of simplifing the method of temperature control and an effective solution to the crack problem of concrete dam , but also simplify the technology of dam construction and bring down the project cost , further more , speed greatly up the construction of concrete dam 外掺氧化镁微膨胀混凝土筑坝技术是指在生产大坝混凝土时，掺入适量的轻烧氧化镁，利用其特有的延迟膨胀补偿混凝土坝的温度应力，以防止混凝土坝产生的裂缝，这不仅有利于简化温控措施，有效地解决混凝土坝的开裂问题；而且简化了施工工艺，降低了工程造价，大大了加快施工进展。
In the paper , static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam , and the static and dynamic parameters of fly ash were obtained . thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model . finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake , which is put forward in the paper , and equivalent visco - elastic dynamic fem model and principle of effective stress 本文结合实际工程，对三门峡火电厂龙沟灰坝的筑坝粉煤灰进行了静、动三轴试验，确定了该坝粉煤灰的静动力学指标；然后根据比奥( biot )固结有效应力原理，采用邓肯( duncan )非线性应力应变模型，对该灰坝的二维静力应力和变形状态进行了分析；最后利用本文提出的地震超静孔压指数函数模型，采用等价粘弹性动力有限元方法，对该灰坝在地震作用下的动力稳定性进行了分析评述。
