Construcción
Construcción
Strength characterization and sustainability assessment of coal bottom ash concrete
18/04/2024 -
Coal bottom ash (CBA) which is waste and environment contaminant has been used in grinded and raw form as replacement of Portland cement (PC) and natural fine aggregates (NFA) in concrete. The...
Structural Design and Performance Optimization of Green Concrete Based on Recycled Pumice and Modified Rubber Powder
17/04/2024 -
With the increasing severity of global climate change and environmental degradation, countries have put forward strategies to reduce carbon emissions and promote sustainable development. The...
Tensile Mechanical and Stress-Strain Behavior of Recycling Polypropylene Fiber Recycled Coarse Aggregate Concrete
16/04/2024 -
To effectively recycle waste petroleum products and construction waste, recycling polypropylene fiber (RPF) and recycled aggregate can be mixed into concrete to make RPF recycled coarse aggregate...
Bond–Slip Performance of Steel–Fiber-Reinforced Polymer Composite Bars (SFCBs) and Glass Fiber with Expansion-Agent-Reinforced Seawater Sea-Sand Concrete (GF-EA-SSSC) under Freezing–Thawing Environment
17/04/2024 -
The combined application of steel–FRP composite bars (SFCBs) and seawater sea-sand concrete (SSSC) in marine engineering not only solves the problem of resource scarcity and reduces the...
Evaluation of Aggregate Distribution Heterogeneity in 3D Printed Concrete by Means of X-ray CT
17/04/2024 -
The mechanical performance of a printed object in 3D concrete printing is influenced by the interfacial bonding strength between the deposited filaments. Hence, the physical properties of the layer...
Using Biopolymers as Anti-Washout Admixtures under Water Concreting
18/04/2024 -
In this study, we investigate the use of natural additives (biopolymers) resistant to scouring. To this end, three natural substances, Kathira, sodium alginate, and guar gum, have been utilized as...
Improved Evidence Fusion Theory for the Safety Assessment of Prestressed Concrete Bridges
18/04/2024 -
The safety condition assessment of prestressed concrete bridges is currently subject to great uncertainty due to the subjectivity of data collection and data types. This study proposes an improved...
The Effect of Demolition Concrete Waste on the Physical, Mechanical, and Durability Characteristics of Concrete
18/04/2024 -
With the development of urbanization, more and more construction and demolition waste (CDW) is generated. To enhance the mechanical properties and durability of concrete through the incorporation of...
Hybrid Fiber Influence on the Crack Permeability of Cracked Concrete Exposed to Freeze–Thaw Cycles
16/04/2024 -
This paper describes hybrid fiber’s influence on the crack permeability of cracked concrete exposed to freeze–thaw cycles. A permeability setup and a laser-scanning setup...
Recycling Waste Agricultural Nets as Cement Composites
16/04/2024 -
The advancement of agricultural mesh technology has contributed to its improved properties. As a result, agricultural nets are widely adopted in large-scale farming applications, for example, in...
Strength and Durability Characterization of Structural Concrete Made of Recycled Plastic
17/04/2024 -
This study investigates the feasibility of utilizing recycled plastic waste as a partial substitute for sand in concrete production. Reprocessing used plastic items or materials involves collecting,...
Effects of Freeze–Thaw Cycles on Axial Compression Behaviors of UHPC-RC Composite Columns
17/04/2024 -
Ultra-high performance concrete (UHPC) with excellent durability has broad application prospects in improving the durability of reinforced concrete (RC) structures. To clarify the influence of...
A Bioactive Degradable Composite Bone Cement Based on Calcium Sulfate and Magnesium Polyphosphate
18/04/2024 -
Calcium sulfate bone cement (CSC) is extensively used as a bone repair material due to its ability to self-solidify, degradability, and osteogenic ability. However, the fast degradation, low...
Compression stress-strain curve of lithium slag recycled fine aggregate concrete
18/04/2024 -
Abstract
Preparation of polypropylene nanofibers reinforced multifunctional epoxy composite concrete with ultraviolet?driven afterglow emission
12/04/2024 -
The decrease in plane strain fracture toughness of highly cross?linked laminating grade epoxy is demonstrated as a function of hygrothermal ageing temperature and time.AbstractThe evolution of...
Practical Considerations in the Design of Passive Free Piles in Sliding Soil
15/04/2024 -
The stabilisation of shallow translational landslides can be carried out by using large diameter concrete piles, with the aim of increasing the available strength along the slip surface. In the...
Influence of Time Gap on the Buildability of Cement Mixtures Designed for 3D Printing
12/04/2024 -
This study provides novel insights into the nuanced impact of time gaps on the buildability of cement mixtures within the 3D printing process. In contrast to studies predominantly focused on...
Compressive and Bonding Performance of GFRP-Reinforced Concrete Columns
12/04/2024 -
The use of glass-fiber-reinforced polymer (GFRP) bars as an alternative to steel bars for reinforcing concrete (RC) structures has gained increasing attention in recent years. GFRP bars offer several...
Optimized Design of Anchor Plates for 2200 MPa-Class Prestressing Anchorage Zones
12/04/2024 -
The strength of prestressed steel strands has developed towards high strength, increasing from 1860 MPa to over 2200 MPa. The stress in the prestressed anchorage zone is more concentrated and...
Fundamental Properties of Sub-THz Reflected Waves for Water Content Estimation of Reinforced Concrete Structures
12/04/2024 -
Water plays a significant role in the deterioration of reinforced concrete buildings; therefore, it is essential to evaluate the water content of the cover concrete. This study explores a novel...
Experimental Investigation of the Explosion Effects on Reinforced Concrete Slabs with Fibers
12/04/2024 -
In today’s world, concrete structures are exposed to various influences, including explosive actions. With the increasing use of fiber-reinforced concrete (FRC), it is essential to...
