Results 21 to 30 of about 3,460,910 (179)
Influences of valley topography on deformation properties of asphalt concrete core wall dam
According to the relationships between the valley shape and the mechanical properties of rock-fills,the new valley topography parameters which are described by using a valley width coefficient μ,a valley slope coefficient δ and a valley asymmetry ...
YANG Chao +3 more
doaj +1 more source
Dynamic Centrifuge Modelling Tests for Asphalt Concrete Core Dam
Abstract Dynamic centrifuge modelling tests are carried out to study the seismic behaviour of a sand-gravel dam with asphalt concrete core wall. The acceleration response, deformation, core wall stress and stability are analysed under design and check seismic intensity. The crest acceleration amplification factor is 2.7~3.0.
Guofeng Ren, Xingwen Gu, Nianxiang Wang
openaire +1 more source
Dilatancy Characteristics and Influencing Factors of Large-Aggregate Core Wall Asphalt Concrete [PDF]
[Objective] To promote the application of large-aggregate asphalt concrete in water conservancy projects, this study investigates the stress-strain and dilatancy characteristics of large-aggregate asphalt concrete under the same mix ratio but under ...
HE Jian-xin, YANG Han-bing, CHEN Peng-peng, DING Xin-yu, WANG Ya-nan, LIU Liang
doaj +1 more source
According to the operating conditions of frequent water level changes and large water level fluctuations during the operation period of pumped storage power stations, aiming at the shortcomings of poor anti-permeability and erosion capability of natural ...
LI Wei1 , HAN Huaqiang 2, WU Jicai 1, SHEN Ting 2, JIANG Kuichao 1
doaj +1 more source
Based on the dam breach case data of Sheyuegou Reservoir in Xinjiang Autonomous Region of China, the model tests on overtopping-induced breach of asphalt concrete core dams are conducted in the flume erosion model test system, and the process of erosion ...
YANG Meng 1, ZHONG Qiming 1, 2, LIN Zhong 3, LI Yu 1, 4, LU Hongning 1, 4
doaj +1 more source
The earth-rock dams built on deep overburden layers often use a closed seepage control system which is composed of core wall of dam body and impervious wall of dam foundation.
SHEN Zhen-zhong , TIAN Zhen-yu , XU Li-qun , GAN Lei
doaj +1 more source
At present, there is no simplified method to study the mechanical and deformation characteristics of asphalt concrete core. Aiming at the serious tensile phenomenon of high asphalt concrete core, the mechanism of the core producing tensile stress is ...
GAO Jun , DANG Fa-ning , YANG Chao , REN Jie
doaj +1 more source
Design and performance of the Yele asphalt-core rockfill dam
The planning, design, and performance of the Yele asphalt-core rockfill dam in Sichuan Province, China, are presented. The dam has a maximum height of 124.5 m, is located in a very seismic region with inclement climate, and is founded on a geologically ...
Kaare Höeg, Weibiao Wang, Yingbo Zhang
core +1 more source
Investigation of Dynamic Behavior of Asphalt Core Dams [PDF]
In this research, dynamic behavior of a rockfill dam with asphalt-concrete core has been studied utilizing numerical models and centrifuge model tests with material parameters determined by laboratory tests including static and cyclic triaxial tests and ...
Baziar, M. H. +3 more
core +1 more source
Stress characteristics of foundation gallery of high core wall rockfill dam
There are deep overburdens, tens to hundreds of meters thick, on riverbeds in western China where many rockfill dams are under construction or will be built.
FENG Rui , HE Yun-long , BAI Xin-ge
doaj +1 more source

