Construcción

Construcción

Improvement of stability and mechanical properties of cement asphalt emulsion composites using nano fibrillated celluloses
- Cement asphalt emulsion composites (CAEC) are a promising environmentally friendly construction material containing two binders, cement and asphalt emulsion (AE). However, researchers have...
Laboratory simulation and mechanical performance of asphalt materials under the action of saline
27/12/2021 - Conventional asphalt mixture performs well in most asphalt pavement applications. However, blistering, which is a common phenomenon in semi-arid areas, is one distress mechanism caused by various...
Experimental and numerical investigation on the role of interface for crack-width control of hybrid SHCC concrete beams
- Hybrid application of conventional concrete and Strain Hardening Cementitious Composite (SHCC) is recently shown to be promising for crack width control. In this paper, a combined experimental and...
Parametric optimization and analysis of thermodynamic venting system in liquid hydrogen tank under microgravity
- This paper used the lumped vapor model to simulate the self-pressurization and thermodynamic venting process in the cryogenic liquid hydrogen tank with 90% filling rate under microgravity. Based...
Numerical investigation on combustion characteristics of premixed hydrogen/air in a swirl micro combustor with twisted vanes
- The combustion characteristics of the swirl micro combustor with twisted vanes (Swirl-MC-TV) and the conventional micro combustor (Conventional-MC) are investigated and compared under different...
New Dimension to Green Buildings: Turning Green into Occupant Well-Being
11/11/2021 - A series of international conferences and initiatives, such as the Habitat III New Urban Agenda and UN Sustainable Development Goals, have urged industry, scholars, and policymakers to create an...
The Function and Potential of Innovative Reinforced Concrete Prefabrication Technologies in Achieving Residential Construction Goals in Germany and Poland
11/11/2021 - This paper presents the role and potential of housing built using innovative reinforced concrete prefabrication technologies. The subject was presented by investigating the share of such buildings in...
Experimental Study on Evaluation of Replacing Minimum Web Reinforcement with Discrete Fibers in RC Deep Beams
11/11/2021 - This study investigates the possibility of replacing the minimum web reinforcement in deep beams with discrete fibers. Additionally, the equivalent dosage of fibers required to obtain similar...
The impact of RCA and fly ash on the mechanical and durability properties of polypropylene fibre-reinforced concrete exposed to freeze-thaw cycles and MgSO4 with ANN modeling
27/12/2021 - An experimental study has been conducted to investigate the impact of recycled coarse aggregate (RCA) and fly ash (FA) on the transport, mechanical and durability properties of polypropylene fiber...
Investigation on aging resistance of ternary compound carbon nitride (CN-Bi-Tr-DC) modified asphalt
27/12/2021 - Asphalt aging is one of the key factors affecting the service life of asphalt pavement. Asphalt materials are prone to irreversible performance degradation under ultraviolet (UV) irradiation. In...
A laboratory investigation into the effect of waste non-tire rubber particles on the performance properties of terminal blend rubberized asphalt binders
27/12/2021 - Non-tire rubber products (e.g. hoses, weather strips, vibration insulators, and miscellaneous parts) are progressively increasing as scrapped and repaired vehicles rise, and are abundantly...
Back analysis of a collapsed highway embankment – A numerical study on the rigid reinforcement and time-dependent grouting
01/01/2022 - A sliding accident occurred in the embankment slope of a highway in the south of China. The cause of the failure was investigated based on the geological data, construction conditions and...
Cost Modeling from the Contractor Perspective: Application to Residential and Office Buildings
10/11/2021 - For the majority of the contractual arrangements used in construction projects, the owner is not responsible for the cost deviations due to the variability of labor productivity or material price,...
Assessment of Timber Roof Structures before and after Earthquakes
10/11/2021 - The global objective of sustainable development has been greatly directed toward the preservation of existing structures. Therefore, condition assessment and reconstruction of existing timber...
The Influence of Gum Arabic Admixture on the Mechanical Properties of Lime-Metakaolin Paste Used as Binder in Hemp Concrete
10/11/2021 - Organic admixtures based on polysaccharides are used in construction for modifying the properties of mortars and concretes. Gum arabic is an example of a polysaccharide-based biopolymer. The aim of...
Fresh, Mechanical, and Durability Properties of Self-Compacting Mortar Incorporating Alumina Nanoparticles and Rice Husk Ash
10/11/2021 - This paper presents a comprehensive evaluation on self-compacting (SC) mortars incorporating 0, 1, 3, and 5% alumina nanoparticles (NA) as well as 0% and 30% rice husk ash (RHA) used as Portland...
Quasiparticle Nature of the Bose Polaron at Finite Temperature
- The Bose polaron has attracted theoretical and experimental interest because the mobile impurity is surrounded by a bath that undergoes a superfluid-to-normal phase transition. Although many...
Development of designs for RCC mixtures with waste material
06/02/2020 - ABSTRACTRoller-compacted concrete (RCC) offers a cost-effectiveness and ease of construction concrete pavement alternative. The use of waste materials into RCC pavement contributes to...
Organic-based recycling agents for road paving applications in cold-climate regions
14/02/2020 - ABSTRACTBecause of the aged binder properties, high Reclaimed Asphalt Pavement (RAP) content asphalt mixtures are more susceptible to cracking failures than virgin mixtures. Thus the...
Effect of binder-aggregate ratio on the mechanical and functional properties of porous polyurethane cement mixture
01/11/2021 - ABSTRACTPolyurethane mixtures are regarded as novel polymer pavement materials that can overcome the shortcomings of poor mechanical properties and loose particles of open-graded...
Prediction of flexible pavement 3-D finite element responses using Bayesian neural networks
29/10/2021 - ABSTRACT3-D finite element (FE) models have many advantages over traditional mechanistic tools. They allows modelling of tyre–pavement interactions, including complex viscoelastic or...