Buscar recursos académicos

The initial moisture condition of recycled concrete aggregates has a great influence on the fresh and hardened state of concrete. Water compensation is generally proposed with the aim of avoiding changes in the effective...

Abstract To ensure the prefabrication quality of concrete segmental beams for assembled railway bridges, this study investigates the main factors affecting the casting and curing of such beams. Using the Zheng-Xu regiona...

Abstract This work developed an enhanced model to examine the High-Strength Fiber-Reinforced Concrete (HSFRC) that is replaced with 10% metakaolin as a sustainable cement replacement and four types of fibers at different...

In the seismic design of reinforced concrete moment-resisting frame (RC MRF) structures equipped with steel damper columns (SDCs), design criteria should consider both peak responses (e.g., story drift) and cumulative re...

This paper presents an experimental investigation on the behavior of steel fiber reinforced concrete deep beams at elevated temperature. Twelve reinforced concrete deep beams were cast and tested. The beams were tested u...

This article considers the influence of local one-sided damage on the stress-strain state of a reinforced concrete beam. The research is aimed at analyzing changes in load-bearing capacity, deformations, and potential fa...

Abstract This study investigates the compressive behavior and analytical modeling of natural and rubberized concretes confined with cost-effective glass fiber-reinforced polymer (GFRP) jackets. Forty-two cylindrical spec...

Subsea cables are critical infrastructure that are susceptible to damage from anchor drops, necessitating robust protection systems. This study evaluated the crashworthiness of a duct-type reinforced concrete protection ...

A simple and robust nonlinear dilatation constitutive model with clear mechanics concept is introduced, and the stiffness coefficient matrix of constitutive relationship is presented. A kind of coarsed-grained soil is co...

The present study focuses on proposing various statistical models, such as linear regression (LR), nonlinear regression (NLR), and artificial neural network (ANN), to forecast the compressive strength of environmentally ...

A crucial objective for mitigating the global environmental footprint of the construction sector is the imperative to develop sustainable and ecological concrete alternatives. This investigation presents a novel strategy...

This work describes the effect of biochar (BC) and lightweight expanded clay aggregate (LECA) on the engineering properties (compressive strength, density, porosity, water permeability and sound absorption), CO2 emission...

It is common to use Autoclaved Aerated Concrete (AAC) blocks in the construction of partition walls and infills because of their distinctive properties, including ease of work, energy conservation, and enhanced sustainab...

Transverse reinforcement with welded meshes is used in areas of significant compressive forces, usually in local places, where it is necessary to increase the strength of concrete in axial compression. In a calculated wa...

Abstract Accurate prediction of compressive strength is important for the efficient design of sustainable concrete incorporating palm oil fuel ash (POFA). This study developed a hybrid artificial neural network model opt...

As one of composition materials (asphalt, aggregate, mineral powder) for hydraulic asphalt concrete, the mineral powder has a messy process of manufacture. Comparatively, the cement is easily processed and available for ...

Abstract Utilization of industrial waste to produce geopolymer concrete is a good answer to minimize the carbon-dioxide( Co2) released from the traditional procedure of producing Ordinary Portland cement (OPC). This not ...

Interlocking concrete pavers (ICPs) require substantial cement consumption, resulting in considerable embodied carbon emissions, while the regional availability of conventional supplementary cementitious materials is bec...

The global shift towards sustainability has driven significant advancements in construction methodologies. Among these innovations, 3D Concrete Printing (3DCP) stands out as a transformative technology that employs gantr...

Basalt fiber is a kind of inorganic material, which is effective and environmentally friendly. Basalt fiber concrete has important mechanical advantages to control the deformation of soft rock tunnels because it has func...

The article describes the methodology for experimental studies of an arch made of high-strength rapid-hardening concrete, presents the results of the studies in tabular form, and describes the mechanical characteristics ...

Abstract Accurate estimation of the shear capacity of steel fiber reinforced concrete (SFRC) beams without stirrups remains challenging because the response is governed by strongly coupled geometric, material, and reinfo...

Waste material, including glass, presents significant environmental challenges due to its non-biodegradable nature and low global recycling rates. Incorporating waste glass into concrete offers a sustainable solution, bu...

Concrete's strength and deformability can be enhanced by adding external lateral confinement. Several materials and confinement techniques have been investigated throughout the development of confined concrete, including...