Results 1 to 10 of about 4,848,565 (119)

Causes of Tensile Strain of Asphalt Concrete Core Wall of Rockfill Dam in High-Cold Area During Construction

open access: yesAdvances in Civil Engineering
Asphalt concrete core rockfill dams, favored for their superior impermeability and adaptable deformation capacity (effectively accommodating uneven settlement), have been gaining increasing attention in Chinese engineering practice.
Min Yuan   +7 more
doaj   +5 more sources

Experimental Study on Hydraulic Fracturing of High Asphalt Concrete Core Rock-Fill Dam

open access: yesApplied Sciences, 2019
In this paper, we experiment on the hydraulic fracturing of asphalt concrete with a voids content higher than 3%, which has arisen from the possible local shear dilatancy of Quxue asphalt’s core wall of concrete core dam, the highest one of the ...
Zhengxing Wang   +5 more
doaj   +4 more sources

Experimental Study on Key Techniques for the Construction of High Asphalt Concrete Core Rockfill Dam under Unfavorable Geological Conditions

open access: yesBuildings
Asphalt concrete core dams (ACCDs) have been widely constructed in Xinjiang, yet the design of materials and structures has mainly relied on empirical knowledge without substantial theoretical grounding.
Hao Li   +4 more
doaj   +4 more sources

Shear behavior of the interface between asphalt concrete core and transition under seepage effect [PDF]

open access: yesScientific Reports
Asphalt concrete core rockfill dam utilizes an asphalt concrete core as anti-seepage structure. Uneven deformation could produce at core wall-transition interface due to differences in material stiffness, potentially leading to crack formation in the ...
Lifeng Wen, Jialuo Huang, Yu Yang
doaj   +2 more sources

A mixture design approach of hydraulic asphalt concrete considering regional deformation characteristics [PDF]

open access: yesScientific Reports
The stress distribution and deformation characteristics of asphalt concrete cores (ACC) under seismic loading exhibit regional variations, rendering uniform HAC mix proportions unsuitable for construction applications.
Hao Li, Jianxin He, Liang Liu
doaj   +2 more sources

Response characteristics and tensile failure evaluation of asphalt concrete core wall under spatial oblique incidence of SV waves

open access: yesYantu gongcheng xuebao, 2023
The existing researches on response and dynamic tensile failure of asphalt concrete core wall under spatial oblique incidence of seismic waves have great shortcomings.
WANG Fei 1, 2, SONG Zhiqiang 1, LIU Yunhe 1, LI Chuang 1
doaj   +1 more source

Dam filter design and seepage safety evaluation of asphalt concrete corewall gravel dam of Zhirui Pumped Storage Power Station

open access: yesYantu gongcheng xuebao, 2023
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

Influences of valley topography on deformation properties of asphalt concrete core wall dam

open access: yesShuili Shuiyun Gongcheng Xuebao, 2016
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

Aseismic measures for asphalt concrete core dams by dynamic centrifuge modelling tests

open access: yesYantu gongcheng xuebao, 2020
Dynamic centrifuge modelling tests are carried out to study the effectiveness of aseismic measures for a sand-gravel dam with asphalt concrete core wall under design earthquake. 2 models are used to simulate 2 dams without and with aseismic measures. The
JIAO Yang 1, REN Guo-feng 2, 3, PENG Wei-jun 1, GU Xing-wen 2, 3 , WANG Nian-xian 2, 3
doaj   +1 more source

Seismic Safety of Rockfill Dam with Asphalt Concrete Core on Overburden Layer

open access: yesRenmin Zhujiang, 2023
As the rockfill dam with an asphalt concrete core is built over the thick overburden layer,the overburden layer affects the dynamic response of the dam and aggravates the whiplash effect.Cutoff structures are also affected,especially the cutoff wall of ...
FENG Rui, LI Yuqi, SHI Wenjie
doaj  

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