Showing papers in "European Journal of Environmental and Civil Engineering in 2021"
TL;DR: The mechanical behavior of intact rock materials is controlled by properties of grains and cementation (bonding) between grains in the particle flow code (PFC), three main bonding approaches.
Abstract: The mechanical behaviour of intact rock materials is controlled by properties of grains and cementation (bonding) between grains. In the particle flow code (PFC), three main bonding approaches name...
40 citations
TL;DR: In this paper, the authors analyse a suburban sector of the historic centre of Sant'Antimo, located in the province of Naples (Italy), in order to assess the seismic vuln...
Abstract: In this framework, the current research work aims to analyse a sub-urban sector of the historic centre of Sant'Antimo, located in the province of Naples (Italy), in order to assess the seismic vuln...
31 citations
TL;DR: In this article, the conventional support system has its own limitations, it is hard to stabilize the surrounding soil which frequently causes the tunnel damage in loess area, therefore, there has been arou...
Abstract: Because the conventional support system has its own limitations, it is hard to stabilize the surrounding soil which frequently causes the tunnel damage in loess area. Therefore, there has been arou...
28 citations
TL;DR: In this paper, the authors investigated the high temperature resistance of slag-based cements and used different liquids-to-solids (L/S) and Na2SiO3/NaOH proportions in mix proportions.
Abstract: This study investigated the high temperature resistance of alkali activated slag based cements. Different liquids-to-solids (L/S) and Na2SiO3/NaOH proportions have been used in mix proportions in a...
28 citations
TL;DR: In this article, the authors introduced the possible utilization of water cooled ferrochrome slag, an industrial waste from the Ferrochrome industry in concrete production, in concrete applications.
Abstract: This study introduces the possible utilization of water cooled ferrochrome slag, an industrial waste from ferrochrome industry in concrete production. Traditional sand was substituted with six perc...
26 citations
TL;DR: In this article, the Discrete Element Method (DEM) was used to predict the mechanical behavior of modern brickwork and concrete block masonry wall panels subjected to inpainting.
Abstract: This paper aims to evaluate the ability of the Discrete Element Method (DEM) to accurately predict the mechanical behavior of modern brickwork and concrete block masonry wall panels subjected to in...
26 citations
TL;DR: The recent devastating earthquakes have caused severe physical, social, and financial damage worldwide and indicate that many existing buildings, especially in developing countries, are not designe...
Abstract: The recent devastating earthquakes have caused severe physical, social, and financial damage worldwide and indicate that many existing buildings, especially in developing countries, are not designe...
25 citations
TL;DR: In order to improve the strength of asphalt mixtures against this damage, the authors in this article proposed a method to reduce the loss of durability and strength caused by the effect of moisture.
Abstract: Moisture damage in asphalt mixtures can be defined as the loss of durability and strength caused by the effect of moisture. In order to improve the strength of asphalt mixtures against this damage,...
24 citations
22 citations
TL;DR: The small strain shear modulus Gmax is an important parameter in geodynamic calculation and earthquake response analysis of site as mentioned in this paper, and it can be used to have a better fundamental understanding of the deformation behavior.
Abstract: The small strain shear modulus Gmax is an important parameter in geodynamic calculation and earthquake response analysis of site. To have a better fundamental understanding of the deformation behav...
22 citations
TL;DR: In this paper, the performance of fly ash/GGBS geopolymer mortars made with different quarry waste powder as filler materials by substituted the river sand fine aggregate with different ratios w...
Abstract: In this research, the performance of fly ash/GGBS geopolymer mortars made with different quarry waste powder as filler materials by substituted the river sand fine aggregate with different ratios w...
TL;DR: In this paper, the effect of Kenaf fibres and cement on the mechanical behaviour of Babolsar sand was investigated by consolidated drained triaxial compression tests, and the results showed that the effect was negligible.
Abstract: In this study, the effect of Kenaf fibre and cement on the mechanical behaviour of Babolsar sand was investigated by consolidated drained triaxial compression tests. Kenaf fibres with a length of 1...
TL;DR: Several geotechnical structures constructed with fine soils submitted to wetting and drying (W-D) cycles face a variety of disorders as discussed by the authors. This is the case of some roads and slopes in the North of Tunis.
Abstract: Several geotechnical structures constructed with fine soils submitted to wetting and drying (W-D) cycles face a variety of disorders. This is the case of some roads and slopes in the North of Tunis...
TL;DR: Vegetative porous concrete (VPC) could effectively reduce the adverse impacts of engineering construction on the environment and adapt to the demands of sustainable development as mentioned in this paper. But it is not suitable for outdoor construction.
Abstract: Vegetative porous concrete (VPC) could effectively reduce the adverse impacts of engineering construction on the environment and adapt to the demands of sustainable development. In this article, sh...
TL;DR: In this paper, the effect of fly ash blending on self-compacting geopolymer concrete (SCGC) in terms of durability and microstructure is discussed, where 10% Class C fly ash was incorporated into Class F fly ash in se...
Abstract: Effect of Fly ash blending on self-compacting geopolymer concrete (SCGC) in terms of durability and microstructure is discussed here. 10% Class C fly ash was incorporated into Class F fly ash in se...
TL;DR: This article presented the behavior of reinforced concrete (RC) beams strengthened in shear with externally bonded reinforcement in grooves (EBRIG) laminates and verifies its experimental performance.
Abstract: The current research presents the behavior of reinforced concrete (RC) beams strengthened in shear with externally bonded reinforcement in grooves (EBRIG) laminates and verifies its experimental re...
TL;DR: In this article, a comprehensive experimental program was performed to recycle high contents of seashell waste as fine aggregate or cement substitution, and this effort strongly contributes toward preserving natural re-...
Abstract: A comprehensive experimental program was performed to recycle high contents of seashell waste as fine aggregate or cement substitution. This effort strongly contributes toward preserving natural re...
TL;DR: In this paper, the authors used natural zeolite (NZ) with different levels of replacement (25, 50, 75, and 100% by volume) to decrease the silica fume content of UHPC.
Abstract: The aim of the present study is to decrease the silica fume (SF) content of UHPC by using natural zeolite (NZ) with different levels of replacement (25%, 50%, 75%, and 100% by volume), to mitigate ...
TL;DR: In this article, a pre-stressed anchor cable is used in slope engineering for effectively improving slope stability as a reinforcement measure, based on assumptions of stresses on a slip surface, and the anchor cables are used to improve slope stability.
Abstract: Pre-stressed anchor cables are widely used in slope engineering for effectively improving slope stability as a reinforcement measure. Based on assumptions of stresses on a slip surface, this work p...
TL;DR: In this article, the authors define the ground response curve for a tunnel, where convergences of side wall, roof and floor may be different, because of the weight of the failed or plastic rock mass.
Abstract: In definition of the ground response curve for a tunnel, convergences of side wall, roof and floor may be different, because of the weight of the failed or plastic rock mass. In this paper, an anal...
TL;DR: In this article, the different mechanism of polycarboxylate superplasticizer and polyester fibre and its effect on cement mortar during freeze-thaw cycles, were analyzed by taking cement mortar as main research object.
Abstract: To analyse the different mechanism of polycarboxylate superplasticizer and polyester fibre and its effect on cement mortar during freeze-thaw cycles, by taking cement mortar as main research object...
TL;DR: In this paper, the authors studied the evolution of tailing impoundment in seasonally frozen soil areas and found that freeze-thaw cycles can have a great effect on the mechanical properties of the tailing soils.
Abstract: Tailings impoundment located in seasonally frozen soil areas suffers from freeze-thaw cycles (FTC), which has a great effect on the mechanical properties of tailing soils. To study the evolution of...
TL;DR: The importance of the hydraulic properties of unsaturated soil for geotechnical designs has been well understood as mentioned in this paper, and many studies on the soil water retention curve (SWRC) and the relative coefficient...
Abstract: The importance of the hydraulic properties of unsaturated soil for geotechnical designs has been well understood. Many studies on the soil water retention curve (SWRC) and the relative coefficient ...
TL;DR: In this article, high-rise buildings are increasingly preferred to meet the development and economic growth of major cities in the world, due to a shortage of land, highrise buildings were increasingly preferred.
Abstract: Owing to a shortage of land, high-rise buildings are increasingly preferred to meet the development and economic growth of major cities in the world. The construction of high-rise buildings often r...
TL;DR: In this paper, the small strain dynamic properties of a recycled road base material of a single fraction were investigated and a widely examined quartz sand was also used in the laboratory testing process.
Abstract: The paper focuses on laboratory testing investigating the small strain dynamic properties of a recycled road base material of a single fraction. A widely examined quartz sand was also used in the s...
TL;DR: In this paper, the effect of ternary blend with ground granulated blast furnace slag (GGBFS) and lime has been explored, where the replacements of coarse aggregate, fine aggregate and coarse aggregate simultaneously with GGBFS and lime are discussed.
Abstract: This manuscript explores the effect of ternary blend i.e. the replacements of cement, fine aggregate and coarse aggregate simultaneously with ground granulated blast furnace slag (GGBFS) and lime, ...
TL;DR: In this paper, the authors presented trilinear load transfer models for both pile shaft-and tip-soil systems to analyze the load-settlement relationship of bored pile in loess area.
Abstract: This paper presented trilinear load transfer models for both pile shaft-–soil system and pile tip-soil system to analyze the load–settlement relationship of bored pile in loess area. Based on the d...
TL;DR: In this paper, the formation of calcium silicate hydrate (C-S-H) seeds during the pre-induction and induction period of hydration in the presence of silica nanoparticles (SNPs).
Abstract: This study is focused on the formation of calcium silicate hydrate (C–S–H) seeds during the pre-induction and induction period of hydration in the presence of silica nanoparticles (SNPs). In additi...
TL;DR: In this paper, the authors considered the spatial variability of the soil deformation and proposed a probabilistic model for consolidation and creep deformation in a clay soil with respect to spatial variability.
Abstract: Consolidation and creep are two types of time-dependent deformation of clay soil. However, the soil deformation presents probabilistic behaviours when the spatial variability is considered. The Mon...
TL;DR: In this paper, the contribution of a lateral beam to joint behavior was investigated and the effect of lateral beam on joint behaviour was found to be a significant influence on joint joint behavior.
Abstract: Concentrating on merely the behavior of 2D joints, most researchers ignored the effect of lateral beam on joint behavior; that is, they failed to determine the contribution of a lateral beam to joi...