The purpose of this research is to extract spectral reflectance characteristics of concretes through basic experiment on concrete specimens and site experiment on actual concrete structures using a field
Read MoreMeasuring the long-term durability of new types of concrete and concrete technologies is crucial to their acceptance in the marketplace. This long-needed
Read MoreThe purpose of this research is to extract spectral reflectance characteristics of concretes through basic experiment on concrete specimens and
Read MoreThese findings underscore the efficacy of PEG in improving concrete quality, providing a comprehensive understanding of IC mechanisms.
Read MoreIn this work, an overview of LIBS investigations on concrete is given based on exemplary laboratory and on-site applications. Keywords: concrete, laser induced breakdown spectroscopy, damage
Read MoreX-ray powder diffraction (XRD) has been used for several decades to identify and measure the mass fractions of various crystalline phases in portland cement. More recently, a combination of scanning
Read MoreThe effect of high temperature on neutron attenuation in concrete was determined. The fast neutron attenuation was exponential and could be
Read MoreGeneral concretes show similar pattern with correlation more than 80%, while super high strength concrete shows very different aspect from general concretes. The GER-3700 spectrometer and the
Read MoreTest principle Fourier transform infrared spectroscopy is a method that enables the species of a substance to be inferred from the molecular vibrations of
Read MoreDetection limits able with the ARL QUANT''X Spectrometer for the different analytes in a cement matrix. The limits are reported for measurement times
Read MoreTo overcome these disadvantages, laser-induced breakdown spectroscopy (LIBS) has been presented as an alternative analytical technique in the analysis of cementitious materials.
Read MoreIn recent years, several researchers have strived to exploit hyperspectral technology as a non destructive test method for assessing
Read More1. Introduction Laser-Induced Breakdown Spectroscopy (LIBS) is a powerful, yet still underutilized, analytical technique with growing relevance for the characterization of cementitious materials. In
Read MoreThe purpose of this research is to extract spectral reflectance characteristics of concretes through basic experiment on concrete specimens using a field portable spectrometer and a VNIR hyper spectral
Read MoreInfrared (IR) spectroscopy or vibrational spectroscopy is an analytical technique that takes advantage of the vibrational transitions of a molecule.
Read MoreReflectance analyzed in accordiance to concrete strength using two types of spectroscopy as a tool to assess the quality of concrete in situ, terrestrial
Read MoreHyperspectral imaging measures concrete properties non-destructively using reflectance from 350-2500 nm wavelengths. The technology
Read MoreOne technique commonly used for this application is spectroscopy, which covers a broad church of methodologies. This article will provide an overview of
Read MoreThe GER-3700 spectrometer and the VNIR camera were applied to extracting spectral characteristics of the actual concrete structures such as a bridge slab and pier in road construction site.
Read MoreThis pioneering study shows that reflectance spectroscopy can be used as a promising and powerful tool to assess the concrete''s strength and strength in both point (spectral local inspection and point data
Read More1. Cement manufacturing process Cement is one of the most essential materials in modern construction. In this article, the term "cement" means Portland cement, which is typically a grayish powder to be
Read MoreFourier-transform infrared (FTIR) spectroscopy is a fast and simple technique for functional group identification. This work provides a review and
Read MoreIn the context of cement and concrete, these spectroscopic methods are used to analyze the composition and hydration processes of cementitious materials, crucial for assessing their quality
Read MoreAn equivalent circuit model for AC electrochemical impedance spectroscopy (EIS) of concrete has been proposed, which contains parameters RCCP, the resistance of the continuously
Read MoreHow Does a Spectrometer Work? Principles Explained An optical spectrometer, like the Ossila USB spectrometer, is the most common type. They take light, separate it by wavelength and create a
Read MoreLaser-induced breakdown spectroscopy has been employed for the investigation of the sulfur content of concrete. Sulfur compounds are a natural but
Read MoreThe use of reflectance spectroscopy across the visible near- and short-infrared spectral region (400 to 2500 nm) was suggested as a tool to assess the status of concrete in situ.
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