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ABSTRACT The present research work explores the use of fly ash cenosphere (FAC) and sintered fly ash aggregate (SFA) as replacements of natural fine aggregate (NFA) and natural coarse aggregate [...]

ABSTRACT The Water Intentional Spraying Test (WIST) was originally proposed as a simple nondestructive method for evaluating the cover concrete quality based on the 'repetition number of water spraying,' rN. [...]

ABSTRACT When subjected to dynamic loading, materials can exhibit a mechanical behaviour quite different from its static counterpart. The evaluation of dynamic properties is thus very useful in the assessment [...]

ABSTRACT The microstructural details of concrete and asphalt construction materials are crucial in understanding and improving their material properties for structural applications in civil engineering. Various destructive and non-destructive test [...]

ABSTRACT In this paper, an extensive experimental campaign conducted on existing masonry buildings is presented. The main objective of this activity was to study the shear behaviour of masonries constituted [...]

ABSTRACT This study investigated the effect of age on transport property measurements of concrete cover. Changes in moisture contents, air permeability, and water sorptivity were monitored for three years by [...]

ABSTRACT For existing constructions, there is a need to estimate the concrete mechanical strength for a more accurate evaluation of their structural capacity. The destructive evaluation of strength by coring [...]

ABSTRACT The present work focuses on the development and validation of a laser-based photoacoustic sensor for nondestructive monitoring of surface stone mechanical properties. The sensor is constituted of a carbon [...]

ABSTRACT This paper aims to improve knowledge on the degradation mechanisms of concrete beams subjected to flexural loading by using the Acoustic Emission Technique (AET). A strong correlation between damage [...]

ABSTRACT In shield tunneling construction, grout of precast concrete segments is widely applied to various geological conditions. However, the connection performance between the grout and segments after the grout cannot [...]

ABSTRACT Neutron radiography was used to determine the penetration depth and the homogeneity of distribution of an innovative inorganic consolidant, based on formation of hydroxyapatite. The consolidant was applied to [...]

ABSTRACT This paper describes the feasibility of using short-wave infrared (SWIR) spectrometry to classify concretes by their water-to-cement (w/c) ratios and predict their density. Concrete spectra of three w/c ratios [...]

ABSTRACT The nondestructive assessment of concrete strength in existing structures is a real and complex challenge. Recent research advances have been done, like the idea of conditional coring or the [...]

ABSTRACT Aiming at contributing to the better understanding of the out-of-plane behavior of unreinforced stone masonry structures, this paper presents the results of an experimental and numerical campaign performed on [...]

ABSTRACT Limited research has been performed in testing and measuring the reinforcement corrosion levels using non-destructive tests. This research applied ultrasonic-based non-destructive test and artificial neural network to the diagnosis [...]

ABSTRACT Ground-penetrating radar is a non-destructive inspection device which is not often applied to cylindrical media. In this paper, we extend our previous analyses of monostatic GPR waveforms to two [...]

ABSTRACT This study deals with material properties of Portland cement concrete (PCC) made with aggregate that is replaced with recycled asphalt pavement (RAP). A series of PCC mixtures were produced [...]

ABSTRACT Over the last few decades, polymer concrete (PC) has been finding use in quick repairing of concrete structures. However, there have been only few studies on the mechanical behavior [...]

ABSTRACT In this research, we consider a laboratory specimen of C-30 concrete block using a geophysical technique called GPR (Ground-Penetrating Radar). The volumetric water content of the C-30 concrete block [...]

ABSTRACT Solid concrete masonry units (CMUs) are rapidly replacing burnt clay bricks in the construction industry, especially in the southern regions of Asia. In developing countries, the plants producing CMUs [...]

ABSTRACT SM490, a structural steel, has been widely used in the construction of buildings, bridges, and tunnels due to excellent machinability and weldability. Since the mechanical properties of structural steel [...]

ABSTRACT Despite demonstrated success in both the laboratory and in the field, significant questions remain unanswered regarding the durability of Carbon Fiber Reinforced Polymer (CFRP) for strengthened concrete members. Little [...]

ABSTRACT To maintain a large number of bridges, efficient inspection methods are needed. We have developed a new and efficient method for inspecting reinforced concrete bridge decks by using acoustic [...]

ABSTRACT The evaluation of semi-rigid base cracking condition is one of the most important elements of projectlevel pavement evaluation, and has been a key challenge facing pavement engineers for many [...]

ABSTRACT The ultrasonic pulse velocity method is a nondestructive test commonly used for the determination of the elastic properties of materials and verification of non-homogeneities and damages in structural elements. [...]

ABSTRACT The demand for maintenance and repair of concrete structures in service has been critically increasing worldwide. A variety of techniques and evaluation methods for diagnosis and prognosis of the [...]

ABSTRACT This paper presents a systematic parameter analysis on the coupled electrical and mechanical piezoresistance model of CFRP materials. The mathematical expression for electrical resistance (R) or fractional change of [...]

ABSTRACT The assessment of historical structures requires appropriate knowledge of the behaviour of the investigated materials. Concerning masonry, its mechanical characterisation is a challenging task, since its composite nature requires [...]

ABSTRACT The microstructure properties of asphalt mixtures reflect the structural and functional performance of asphalt mixtures. Thus, numerous imaging methods are developed including destructive and nondestructive methods to uncover the [...]

ABSTRACT The article examines damage caused to steel and fiberglass reinforcement concrete by freeze-thaw cycles in saline medium conditions. After 12 freeze-thawing cycles, the concrete-rebar bond strength decreases by 30% [...]

ABSTRACT The Holy Aedicula of the Holy Sepulchre in Jerusalem was surveyed by ground penetrating radar in correlation with an architectural analysis, following a methodology suited for built cultural heritage [...]

ABSTRACT The damage of concrete structures calls for effective methods for condition evaluation and maintenance. The usual destructive testing has many disadvantages in Civil Engineering because involves the physical destruction [...]

ABSTRACT A novel low-cost capacitive transducer (CT) using capacitance signals, which has the potential to provide accurate health assessment and damage prediction for reinforcement concrete structures, is developed in this [...]

ABSTRACT In this research, a micro X-ray computed tomography ([micro]CT) technique was used to investigate the distribution of steel corrosion embedded in cement paste non-destructively. An electrochemical method was used [...]

ABSTRACT The impact-echo test is often used to detect defects or inclusions in concrete structures. Applying Fourier transform to the surface response of the target structure due to an impact, [...]

ABSTRACT Falling Weight Deflectometer (FWD) is the common non-destructive testing method for in-situ evaluation of pavement condition. This paper aims to develop finite element (FE) models that can simulate FWD [...]

ABSTRACT According to Concrete Repair Manual as well as ACI 562-16 and European EN 1504-10 standards, a bond strength as a measure of adhesion is one the main feature of [...]

ABSTRACT This manuscript addresses the evaluation of possible applications of ultrasonic tests for the technological control of concrete of hollow-core slabs during the production phase. The study was divided into [...]

ABSTRACT Ultra-High Performance Fibre Reinforced Concrete is a material which is becoming increasingly popular in structural applications, mainly due to its superior mechanical characteristics. The mechanical properties of this material [...]

ABSTRACT Although several researchers have been working on the mechanical and physical characterization of iron-ore tailings (IOT) in order to consider the possibility of using this material to replace natural [...]

Clinicians who rely on the ISNT rule when assessing the optic nerve--for signs of early glaucoma, for example--should remember it doesn't necessarily apply to all patients. While the rule states [...]

I am a strong proponent of planning ahead for successful functional performance testing. This is why commissioning starts in the design phase, continues through construction, and culminates (doesn't start) with [...]