Construcción

Construcción

Impact of bacterial admixtures on the compressive and tensile strengths, permeability, and pore structure of ternary mortars: Comparative study of ureolytic and phototrophic bacteria
01/10/2023 - AbstractThe addition of bacterial biomass to cementitious materials can improve strength and permeability properties by altering the pore structure. Photoautotrophic bacteria are understudied mortar...
Isonitrile?Proline ? A Versatile Handle for the Chemoselective Derivatization of Collagen Peptides
29/09/2023 - Isonitrileproline (Inp) is introduced as the first isonitrile?containing amino acid for solid?phase peptide synthesis. The conformation directing properties of the isonitrile group and its effect on...
Unprecedented Direct Asymmetric Total Syntheses of 5,8’?Naphthylisoquinoline Alkaloids from their Fully Substituted Precursors Employing a Novel Nickel/N,N?ligand?Catalyzed Atroposelective Cross?Coupling Reaction
29/09/2023 - Four different 5,8’?coupled naphthylisoquinoline alkaloids have been prepared via a general and concise synthetic pathway directly from the corresponding cross?coupling reaction precursors. For the...
Concurrent Carbon Capture and Biocementation through the Carbonic Anhydrase (CA) Activity of Microorganisms -a Review and Outlook
- Biocementation, i.e., the production of biomimetic cement through the metabolic activity of microorganisms, offers exciting new prospects for various civil and environmental engineering applications....
Digital financial development, synergistic reduction of pollution, and carbon emissions: evidence from biased technical change
30/09/2023 - Environmental pollution control and greenhouse gas emissions reduction have become the main ecological protection issues. The digital transformation of the financial sector provides a vital...
Manganese oxide–loaded activated carbon for ammonium removal from wastewater: the roles of adsorption and oxidation
02/10/2023 - The urgent need to address the severe issue of nitrogen pollution has prompted the search for a functional and easy recycling material. In this study, manganese oxides (MnOx) were loaded on...
Molecular mass engineering for filaments in material extrusion additive manufacture
28/09/2023 - 3D printing of thermoplastics through local melting and deposition via material extrusion additive manufacturing provides a simple route to the near net?shape manufacture of complex objects. However,...
Water insoluble polymeric materials with well?oriented structures prepared by ice?templating: A mini?review
29/09/2023 - Water insoluble polymeric materials with well?oriented structures have attracted great attention in the area of membrane science, biological tissues, and organs, electromagnetic interference...
Synthesis and applications of a Y?inimer with two orthogonal controlled free radical polymerization initiators
30/09/2023 - We report the synthesis of a Y?shaped inimer that contains two orthogonal initiators for ATRP and NMP. The inimer is synthesized through a one?pot multi?component reaction that vastly simplifies the...
Exploring the Roles of Arbuscular Mycorrhizal Fungi in Plant–Iron Homeostasis
30/09/2023 - Arbuscular mycorrhizal fungi (AMF) form a vital symbiotic relationship with plants. Through their extensive hyphal networks, AMF extend the absorptive capacity of plant roots, thereby allowing plants...
Heat-Flow Coupling Law for Freezing a Pipe Reinforcement with Varying Curvatures
02/10/2023 - Using the temperature and seepage field-coupling module within COMSOL Multiphysics software, we examined freezing behavior and its evolving patterns in curved underground freezing pipes. This study...
A Comparative Assessment of Bridge Deck Wearing Surfaces: Performance, Deterioration, and Maintenance
30/09/2023 - Bridge decks deteriorate faster compared to other bridge components, primarily influenced by traffic volume, while previous studies have examined the effect of bridge-wearing surfaces on...
Monitoring Bridge Dynamic Deformation Law Based on Digital Photography and Ground-Based RAR Technology
29/09/2023 - Dynamic deflection deformation is a crucial index which can reflect the healthy operation of bridges; due to their limitations, monitoring technologies (e.g., sensors, automatic total stations, and...
Comparative Analysis of the 2023 Pazarcık and Elbistan Earthquakes in Diyarbakır
29/09/2023 - Türkiye is prone to earthquakes due to its location on various tectonic plates, which can lead to a loss of lives and property. Recently, on 6 February 2023, two major earthquakes hit...
Effect on the Thermal Properties of Building Mortars with Microencapsulated Phase Change Materials for Radiant Floors
29/09/2023 - The use of slag silicate cement mortar as a thermal mass layer for radiant floor heating systems holds significant potential for active thermal energy storage systems in buildings. The main objective...
Feasibility Analysis of Nearly Zero-Energy Building Design Oriented to the Optimization of Thermal Performance Parameters
29/09/2023 - The effective control and reduction of building energy consumption are major global focuses. The building sector is responsible for over 40% of all direct and indirect CO2 emissions. Nearly...
Evaluation of the Thermal Performance of Fly Ash Foam Concrete Containing Phase Change Materials (PCMs)
29/09/2023 - The aim of this study was to assess the characteristics of fly ash foam concrete containing two varying temperature ranges of microencapsulated phase change materials (PCMs): PCM28D...
Numerical Study on the Influence of Bubble Defection on the Bond Strength of Externally Bonded Fiber-Reinforced Polymer-to-Concrete Joints
29/09/2023 - The influences of bubble defects on the bond strengths of externally bonded fiber-reinforced polymer (EB-FRP) concrete joints were investigated using numerical method in this research. Studies of the...
Experimental Study on Seismic Response of Underground Tunnel–Soil–Piled Structure Interaction Using Shaking Table in Loose Sand
29/09/2023 - The seismic response of structures can have a significant impact on adjacent structures’ response. Although several numerical studies have been applied in the field of...
Effects of 3D Concrete Printing Phases on the Mechanical Performance of Printable Strain-Hardening Cementitious Composites
29/09/2023 - Several studies have shown the potential of strain-hardening cementitious composites (SHCC) as a self-reinforcing printable mortar. However, papers published on the development of three-dimensional...
Prefabricated Ferrocement Jacket for Repairing and Strengthening Axially Loaded Square Sub-Standard Concrete Stub Columns
29/09/2023 - For decades, ferrocement has been used to repair, strengthen, and even build structural components because it is a long-lasting and reasonably priced material. However, onsite ferrocement jacketing...