Infrastructures play an important role in urbanization and economic activities but are vulnerable. Due to unavailability of accurate subsurface infrastructure maps, ensuring the sustainability resilience often poorly recognized. In current paper a 3D topographical predictive model using distributed geospatial data incorporated with evolutionary gene expression programming (GEP) was developed ap...

The creep parameters of rockfill materials obtained from engineering analogy method or indoor tests often cannot accurately reflect the long-term deformation high Concrete-Faced Rockfill Dams (CFRDs). This paper introduces an optimized inversion based on multi-population genetic algorithm-improved BP neural network and response surface (MPGA-BPNN RSM). used for are determined by parameter sensi...

The crack resistance of face slab concretes to various shrinkages is crucial for the structural integrity and normal operation concrete-faced rockfill dams (CFRDs). In this work, effects fly ash with four dosages (i.e., 10%, 20%, 30% 40%) on drying shrinkage, autogenous shrinkage cracking concrete were studied. Besides, difference in behavior due addition was revealed from viewpoint pore struct...

Abstract Weirs are used to control and regulate the flow in open channels. In gabion structures, conditions more complex due complexity of through porous body a gabion. The present study aims investigate water surface profile, overflow velocity both through-flow ratios. Six physical models three downstream slopes (V:H 1:1, 1:2, 1:3) two types rockfill (crushed stone rounded gravel) were investi...

As a type of special geological body, soil-rock mixtures (SRMs) are widely found in nature and used civil engineering. Many structures, such as rockfill dams, highways tunnels, have SRMs building materials. Proper modeling is great importance to capture the complex behavior this heterogeneous material. In manuscript, simple constitutive model incorporating skeleton void ratio concept proposed f...

The coefficient of earth pressure at rest, K0, is a significant mechanical parameter, and the investigation K0 coarse-grained soil has important theoretical significance applicational value in geotechnical engineering. However, there are few studies on influence initial dry density (ρd) due to limitations related test instruments or methods. A series tests for two types soils (rockfill sandy-gr...

Abstract There is a need of reducing the uncertainty in traffic loading-induced settlements within railway embankments. A previously developed model for unbound stone-based materials has been implemented modelling rockfill Particles were represented by simple breakable tetrahedral clumps spheres with four asperities each. Both corner breakage and particle splitting allowed. Embankments heights ...

The present paper considers aspects of underground iron ore mining in Ukraine, particular the level mine production and reserves basic fields. It analyzes generalizes practice using cemented rockfill under difficult hydrogeological conditions Pivdenno-Bilozerske high-grade field. Belozersky district is only one Ukraine that, without any technological cycle beneficiation, can provide both domest...

Concrete-face slabs are the primary anti-permeability structures of concrete-face rockfill dam (CFRD), and resistance face slab concrete to permeability is key factor affecting operation safety CFRDs. Herein, influences five fly ash dosages (namely 10%, 20%, 30%, 40% 50%) on property concretes were investigated. Moreover, difference in caused by dosage variations revealed terms pore structure f...