The effects of the dam construction process on downstream river geomorphology

Through analyzing bitumen residuum concrete inclined wall rockfill dam structures mechanical characteristics in construction process and operational process, this paper adopts finite element method to carry out structural analysis for bitumen residuum concrete inclined wall rockfill dam of Fengguo reservoir. Deducing distribution law of the dams stress and displacement in construction process and operational process. Analysis results show that, bitumen residuum concrete inclined wall rockfill dam construction of Fengguo reservoir is reasonable, it meets the requirements for design.

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ES-PIM with Cell Death and Birth Technique for Simulating Heat Transfer in Concrete Dam Construction Process

Journal of Engineering Mechanics ◽

10.1061/(asce)em.1943-7889.0000312 ◽

2012 ◽

Vol 138 (1) ◽

pp. 133-142 ◽

Cited By ~ 5

Author(s):

Jing Cheng ◽

G. R. Liu ◽

Tong-Chun Li ◽

Sheng-Chuan Wu ◽

Gui-Yong Zhang

Keyword(s):

Heat Transfer ◽

Cell Death ◽

Dam Construction ◽

Construction Process ◽

Concrete Dam

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Research on Real-Time Interactive Simulation for Concrete Dam Construction Process Based on Vega

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.256-259.2849 ◽

2012 ◽

Vol 256-259 ◽

pp. 2849-2853

Author(s):

Bing Yu Ren ◽

Tao Guan

Keyword(s):

Virtual Reality ◽

Real Time ◽

Discrete Event ◽

Dam Construction ◽

Interactive Simulation ◽

Construction Simulation ◽

Construction Process ◽

Construction Operations ◽

Concrete Dam ◽

Time Interaction

Combining the techniques of discrete event simulation and virtual-reality, research on real-time interactive simulation for concrete dam construction process is conducted, under the virtual-reality environment. The key technologies are discussed, including the modeling of DEM, optimization for real-time displaying of 3D scene, collision checking, real-time interaction and so on. A framework for the system of virtual-reality simulation for concrete dam construction operations based on Vega is presented. Virtual-reality supplies for construction simulation with a real-time interactive 3D simulation environment to inspect the validity of simulation model, which improves the simulation credibility and becomes a helpful tool for real-time decision making of construction operations. An example is performed to illustrate the feasibility of the system.

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3D Digitalization Modeling for Visualization of Dam Construction Process

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.594-597.2951 ◽

2012 ◽

Vol 594-597 ◽

pp. 2951-2956

Author(s):

Chun Ju Zhao ◽

Hua Wei Zhou ◽

Yi Hong Zhou ◽

Chun Yu Wang

Keyword(s):

Practical Case ◽

Dam Construction ◽

Construction Process ◽

Foundation Pit ◽

Visualization System ◽

Terrain Model ◽

Process Visualization ◽

Model Foundation ◽

Graphics Rendering ◽

Rendering Engine

It is established a visualization simulation mechanism of dam construction process at first. Then terrain contours are converted into grid mesh by contours discrete method to establish the terrain model. The 3D dam model, foundation pit, construction road are built. Then the dam model is digitalized to create the dam database. After that, all of the models are rendered by using 3DSMax, and then documents of models and materials are exported with a plugin of OgreMaxSceneExporter to assure that they can be identified by an effective graphics rendering engine--OGRE. Finally, a dam construction process visualization system for a practical case is developed, by which an interactive virtual reality environment is created for engineers and administrators.

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Dynamic Visualization of Dam Construction Process Based on Virtual Reality

2009 International Conference on Information Technology and Computer Science ◽

10.1109/itcs.2009.173 ◽

2009 ◽

Author(s):

Chunju Zhao ◽

Jingyan Dong ◽

Yihong Zhou ◽

Hailin Wu ◽

Chao Hu

Keyword(s):

Virtual Reality ◽

Dam Construction ◽

Dynamic Visualization ◽

Construction Process

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Evaluation of the Grouting Effect of the Change of Grout Hole Spacing in Splitting Grouting for Dams

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.151.295 ◽

2012 ◽

Vol 151 ◽

pp. 295-299

Author(s):

Ke Wu ◽

Ming Yue Ma

Keyword(s):

Large Scale ◽

Pore Water Pressure ◽

Water Pressure ◽

Stress And Strain ◽

Dam Construction ◽

Construction Process ◽

Distribution Law ◽

Technological Standard ◽

The Stability

The technique of splitting grouting for dams is one of the important technical approaches to improve the inner quality of dam construction. However, the construction cost is too high with the current technological standard, which restricts the further promotion of this technology. Based on the assumption that the other conditions of construction process remained unchanged and by obeying the law of interaction between the placement of grout-hole spacing and the actual anti-seepage effect during splitting grouting, Mohr-Coulomb Hardening constitutive model was adopted in this paper on the basis of large-scale finite element numerical algorithm. Through the fluid-solid coupling computation of grout holes of different spacing, the distribution law of various factors during splitting grouting, such as the pore water pressure generated by seriflux and the stress and strain of dam, was studied first. Next, the mechanism of reinforcement and seepage of splitting grouting seriflux in soil body was revealed, and the influence of this mechanism on the stability of dam body was also investigated. Finally, the effect of splitting grouting was evaluated.

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