Construcción

Construcción

Interfacial covalent bonding enables transition metal phosphide superior lithium storage performance
- High theoretical capacity and moderate redox potential enable transition metal phosphide (TMP) sparkle under a spotlight as viable anode materials for lithium-ion batteries (LIBs). However, TMP...
Micro-mechanical FE modelling and constitutive parameters calibration of masonry panels strengthened with CFRP sheets
01/04/2022 - This paper describes the development of a micro-mechanical Finite Element model apt to reproduce the behavior of masonry walls reinforced with Carbon Fiber Reinforced Polymer (CFRP) sheets,...
Effects of ethylenediamine tetra-acetic acid (EDTA) and its disodium salt derivative (EDTA-Na) on the characteristics of magnesium oxysulfate (MOS) cement
01/03/2022 - Ethylenediamine tetra-acetic acid (EDTA) and its disodium salt derivative (EDTA-Na) (0.5% weight of MgO powder) were incorporated into MgO–MgSO4–H2O ternary system to prepare magnesium...
Stable salt hydrate-based thermal energy storage materials
15/03/2022 - Heating and cooling systems in building infrastructure utilize conventional materials that account for a considerable amount of energy usage and waste. Phase change material (PCM) is considered a...
Comparison of new LCR and ordinary prestressed concrete railway sleepers with LUR tests
28/02/2022 - Rail operations today have become more difficult due to increasing operating speeds and decreasing maintenance times. New developed, laminated carbon fiber reinforced polyurethane (L-CFRPU)...
Preparation and experimental research on the properties of neodymium iron boron magnetic powder modified asphalt
28/02/2022 - Waterproof adhesive layer is an important part of the asphalt pavement system for steel bridge decks. To improve the strength and durability of the paving structure, it is necessary to focus on...
Effect of endogenous chloride ion content and mineral admixtures on the passivation behavior of reinforcement embedded in sea-sand ultra-high performance concrete matrix
28/02/2022 - Ultra-high performance concrete (UHPC) is typically defined as an advanced cementitious material which exhibits excellent mechanical property and superior durability. The development of UHPC made...
Improved three-dimensional discrete modeling method and anti-cracking properties of asphalt mixture
28/02/2022 - To explore the low-temperature cracking of asphalt composite’s materials, this study used the three-dimensional module in the particle flow code (PFC3D), from which a three-dimensional numerical...
Comprehensive feasibility evaluation of a high-performance mixture used as the protective course of steel bridge deck pavement
07/03/2022 - To improve the serviceability and extend the service life of steel bridge deck pavement (SBDP), a high-performance polymer mixture (HPPM) with high content polyurethane binder and great...
Modeling and analysis of fiber-reinforced high-performance concrete strength prediction based on nonlinear programming
07/03/2022 - In this study, the nonlinear programming software Design-Expert and Lingo were used to establish a mathematical model between the fiber volume fraction and the strength of high-performance...
Effect of mixed fibers on fly ash-based geopolymer resistance against carbonation
07/03/2022 - In this study, the resistance of mixed fiber reinforced fly ash-based geopolymer incorporated with different polyvinyl alcohol (PVA) fibers and modified multi-walled carbon nanotubes (MWCNTs)...
Thermodynamic modeling and mechanical properties of hybrid alkaline cement composites
07/03/2022 - Hybrid alkaline cement composites (HACC) were developed to overcome the low compressive strength of hybrid alkaline cement. Synthesized with geopolymer and cement paste, HACC contains a larger...
Aging characteristics of neat and modified asphalt binders based on rheological evaluations at intermediate temperatures
07/03/2022 - This study examined the aging of neat and modified binders at intermediate temperatures. The neat binder was modified using two crumb rubber (CR) and styrene–butadiene–styrene (SBS) contents....
Development of prediction models for moisture susceptibility of asphalt mixture containing combined SBR, waste CR and ASA using support vector regression and artificial neural network methods
07/03/2022 - Precise estimation of the moisture susceptibility of mixtures is a difficult approach because of the complicated characteristics of used materials under numerous environmental and traffic...
Effect of height to diameter ratio on dynamic characteristics of cemented tailings backfills with fiber reinforcement through impact loading
07/03/2022 - The safety and durability of underground backfilled stopes of metalliferous mines are so crucial owing to several dynamic events such as rock bursting, loads triggered by blasting, and loading...
Mechanical properties of concrete composites with auxetic single and layered honeycomb structures
07/03/2022 - Auxetic materials exhibit desirable mechanical properties, e.g., fracture resistance, shear resistance and energy dissipation due to their unique deformation characteristics. Honeycomb sandwich...
Highly optically transparent graphene mesh for electromagnetic interference shielding
01/03/2022 - The update of optoelectronic technology requires that the optical window has the dual functions of optical transparency and electromagnetic shielding. A transparent electromagnetic shielding...
Factors influencing the spatial and temporal distributions of green algae micro-propagules in the coastal waters of Jinmenghaiwan, Qinhuangdao, China
01/02/2022 - Since 2015, green tides have impacted the coastal waters of Qinhuangdao, particularly at Jinmenghaiwan bath. Micro-propagules are considered the “seed bank” of algal blooms and play an...
Recent progress in polymer/two-dimensional nanosheets composites with novel performances
- Since the discovery of graphene in 2004, investigation concerning the novel performances of 2D nanosheets embedded polymer composites have grown rapidly in various fields. In this article, we...
Thermal rectification effect of pristine graphene induced by vdW heterojunction substrate
- As an effective means of thermal management, thermal rectification (TR) has been studied in a variety of complex asymmetric or heterogeneous structures. Due to experimental conditions, many...