碾压混凝土

高碾压混凝土拱坝结构分缝及材料特性研究

Study on the structural jointing and material properties of high RCC gravity arch dam

碾压混凝土理论配合比设计方法的研究光学混频效应的理论探讨

Design Method of RCC Theoretical Mixing Ratio Theoretical Study on the Effect of Optical Frequency Mixing

碾压混凝土拌和物VC值动态管理方法的探讨

Probing into V_c Value of RCC Mixture

汾河二库碾压混凝土VC值的事前控制

Prior Control of VC Value of Roller Compacted Concrete , Fenhe Reservoir ⅱ

HF碾压混凝土断裂韧性的初步探讨

The Preliminary Study of Fracture Toughness of High Flyash Content Rolled Concrete

温度、VC值及外加剂对碾压混凝土凝结时间影响探讨

Probing into the influence of temperature , VC value and admixture percentage on RCC set time

通过对碾压混凝土VC值的讨论与分析研究，可为碾压混凝土筑坝技术的发展提供理论依据。

The research and analysis of the VC value of RCC provide theoretical basis for the development of RCC construction technology .

本论文计算分析了某一碾压混凝土双曲拱坝的两种体型的应力及稳定问题，运用ANSYS软件进行计算。

This paper presents two shapes of one roller compacted concrete hyperbolic arch dam , stresses and stabilities were analyzed by employing ANSYS software .

在材料措施方面，深入研究高碾压混凝土坝基础约束区采用外掺Mgo措施，利用其微膨胀性能补偿坝体降温过程中产生的温度应力，以防止大坝纵向裂缝的发生。

In the dam foundation restraint area , MgO can be mixed into concrete to prevent dam longitudinal crack .

采用国际大型通用有限元软件ANSYS建模与自主开发主体计算程序相结合的办法来实现高寒地区碾压混凝土坝底孔温度应力的仿真计算。

Through the adoption of finite element software ANSYS and simulation and analysis program to realize the calculation of high latitude RCC gravity temperature field stress field .

碾压混凝土（RCC）层面抗剪强度关系到碾压混凝土坝的安全。

The shear strength of matrix layer in rolled compact concrete ( RCC ) provides important effect to the safety of RCC dam .

CSG坝是使用CSG材料填筑并采用碾压混凝土坝的施工工艺施工的一种新坝型。

CSG dam is a new dam type which use CSG material and constructed with craft of RCC .

碾压混凝土（RCC）技术是混凝土建造技术的重要进展，而混沌振动碾压是振动碾压的近代技术。

Technology for RCC ( Roller Compacted Concrete ) is important progress of concrete construction technology and Chaotic Vibratory Roller is modern technology of vibratory roller .

本文针对碾压混凝土中粉煤灰的最大掺量问题，通过试验和计算，得到长龄期时粉煤灰掺量与Ca（OH）2含量的关系。

To solve the problem of the highest fly ash content in roller compacted concrete , this paper established the relation between fly ash content and Ca ( OH ) 2 content at long age through experimentation and calculation .

采用非线性优化方法中的序列二次规划法（SQP）优化碾压混凝土重力坝坝体体型。

Sequential quadratic programming ( SQP ) method , one of nonlinear optimization methods , is adopted to optimize section configuration of roller_compacted concrete ( RCC ) gravity dams .

作者提供了累计温度和自重的徐变应力计算方法和程序，结合碾压混凝土（RCC）拱坝工程提供了施工期仿真应力特点。

The calculating method and program of creep-stresses for accumulated weight and temperature change are given . The specifications of actual simulation stresses of roller compacted concrete ( RCC ) arch dam during construction are also given .

本文以Delphi为系统仿真开发工具，对碾压混凝土坝施工过程进行仿真，实现了以缆机为浇筑机械的施工方案比选。

Using delphi as a system simulation exploitation tool , this paper simulates the construction process of roller compacted concrete dam , and realizes the compare and choice of the construction schemes with the cable crane as the construction machine .

利用类似工程爆破建立的爆破地震速度反应谱，采用ANSYS通用程序对三峡工程三期碾压混凝土围堰拆除爆破地震作用厂房坝段动力响应进行了计算。

This paper using the blasting vibrant velocity response spectrum of the similar blasting project and the ANSYS program carried through the dynamical response calculation of power houses dam under the vibration by blasting demolishing the third period RCC cofferdam of Three Gorges Project .

某工程在软弱基础上修建的碾压混凝土拱坝坝高大于100m，基础软弱，应力和位移大，尤其是坝肩向下游位移大。

A roller compacted concrete arch dam is over 100m high and the foundation is weak , the deformation and stresses in the arch dam were much larger than normal , especially the abutment displacement downstream .

ANSYS在土坝渗流场和应力场及其耦合分析中的应用研究采用国际大型通用有限元软件ANSYS建模与自主开发主体计算程序相结合的办法来实现高寒地区碾压混凝土坝底孔温度应力的仿真计算。

The Application and Study of ANSYS on Seepage Field , Stress Field and Coupling Analysis for Earth Dam Through the adoption of finite element software ANSYS and simulation and analysis program to realize the calculation of high latitude RCC gravity temperature field stress field .

作为工程应用，结合该评价体系，对金安桥水电站碾压混凝土重力坝在OBE、MDE和MCE三个地震设防水准下的抗震安全性进行了评价。

As an engineering application , the seismic safety evaluation of Jin ' anqiao RCC gravity dam at OBE , MDE and MCE is assessed based on the framework .

具体应用中要在仿真分析的基础上进行周密的MgO掺量与温控设计碾压混凝土重力坝施工期温度应力仿真及温控防裂措施研究

In the practical application , the MgO admixture amount and temperature control measures should be carefully determined on the basis of simulation analysis . Thermal Stress Simulation Analysis during Construction Period and Temperature Control Measures for Crack Prevention Studies on RCC Gravity Dam

江垭大坝坝高131m，是目前世界上已建成的最高的全断面碾压混凝土坝。

The Jiangya dam , with the dam height of 131m , is the highest completed RCC dam in the world .

采用三维有限元法对某碾压混凝土坝（RCC）在施工导流期的应力场进行分析，着重校核了顶部未到设计龄期的碾压混凝土和大型导流底孔周边的应力分布；

Three dimension FEM is adopted in the stress analysis of a RCC gravity dam during the construction diversion period , which especially for clearing the stress distribution of the top area RCC concrete that under design RCC concrete age and around area of the large-scale bottom diversion outlet .

拦河大坝采用碾压混凝土重力坝，最大坝高初期为192m，最终为2165m，是目前世界上最高的碾压混凝土重力坝。

The RCC gravity dam with a height of 192m in the first stage and 216.5m in the second stage will be the highest RCC dam in the world .

通过三维有限元瞬态温度场仿真分析，得到了某100m级薄碾压混凝土双曲拱坝从施工到运行全过程温度场变化规律，为该工程的温控措施设计和控制温度应力提供了依据。

By 3D FEM transient simulation analysis of temperature field , the law of temperature field change of the arch dam in the whole process from construction to operation is found out , providing basis for design of temperature control and control of temperature stress in this project .

目前，碾压混凝土坝的规模和高度正在日益扩大，300m级的碾压混凝土重力坝和200m级的碾压混凝土拱坝的研究正方兴未艾，对碾压混凝土筑坝技术、施工工艺和机械化程度的要求也更高。

The scale and height of rolling-concrete are spread increasingly , such as the technique studied recently that the 300 meters high gravity dam and the 200 meters high arch dam , which requires more experience in the damming technique , construction crafts and mechanization .

RCC-AC复合式路面是将沥青混凝土面层与碾压混凝土板采用特殊技术有机地组合在一起的一种路面结构。

RCC-AC composite pavement is a pavement structure using a special technique to combine the asphalt concrete surface with the rolled concrete plate used as a base in a proper way .

试制和改进试制了30套ND-50核子密度仪，应用于十余个水利水电工程碾压混凝土坝的质量控制，总方量超过5×10~5m~3。

Thirty sets of ND-50 nuclear density gauge have been trial-produced or reproduced , and applied to control the quality in roller compacted concrete dam ( RCCD ) . for at least 5 γ 105 m3 in more than ten hydraulic and hydroelectric projects .

溢流坝导流底孔以下采用碾压混凝土。

To use RCC in the spillway below the diversion outlets ;