نتایج جستجو برای: rockfill

تعداد نتایج: 302  

Journal: :IOP conference series 2021

Abstract The concrete face rockfill dam (CFRD) generally encounters structural health problems during long-term operation. Therefore, it is necessary to study the safety evaluation of CFRDs. This paper proposes a comprehensive method for behavior CFRDs on basis regression relationship and fuzzy recognition model. sub-index established by using method. multiplication scale was adopted determine ...

Journal: :Frontiers in Physics 2021

To study the deformation behavior of high rockfill (HRF) embankment during construction and operation, based on more than a 50-m second-class road reconstruction project from Xunyang to Ankang national 316 in Shaanxi, China, centrifuge model test was performed laws HRF embankment. The results showed following: (i) stable operation; (ii) construction, settlement occurred at top, uplift slope foo...

The most important features and phenomena of the deformation behavior of rockfills are stress-dependent stiffness, hardening and dilative (or contractive) behaviors, as well as breakage, rotation and redistribution of particle size. An elasto-plastic constitutive model has been suggested by Vermeer and de Borst to simulate the shear behavior of soils, concretes and rocks. This research has trie...

Journal: :Journal of The Korean Society of Civil Engineers 2012

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