Damage evaluation of reinforced concrete beams with varying thickness using the acoustic emission technique
The aim of this study is to investigate the ability of the acoustic emission (AE) in order to test
the effect of beam thickness on the damage mechanism of the RC beams under four-point …
the effect of beam thickness on the damage mechanism of the RC beams under four-point …
Microstructural development of hydrating portland cement paste at early ages investigated with non-destructive methods and numerical simulation
W Chen, Y Li, P Shen, Z Shui - Journal of Nondestructive Evaluation, 2013 - Springer
Microstructure development of hydrating cement paste at early ages is not only an indicator
of the reactivity of cement, but also a factor on the workability of fresh concrete. In this study …
of the reactivity of cement, but also a factor on the workability of fresh concrete. In this study …
Study on hydration process of early-age concrete using embedded active acoustic and non-contact complex resistivity methods
The microstructure development of early-age concrete during hydration process was
investigated by means of embedded active acoustic and non-contact complex resistivity …
investigated by means of embedded active acoustic and non-contact complex resistivity …
The use of frequency spectrum of ultrasonic P-waves to monitor the setting process of cement pastes
G Trtnik, M Gams - Cement and Concrete Research, 2013 - Elsevier
In this paper, a possibility of using a frequency spectrum of ultrasonic P-waves to monitor the
formation of structure of cement pastes at early ages is studied. A new parameter, labeled as …
formation of structure of cement pastes at early ages is studied. A new parameter, labeled as …
Influence of superplasticizers on the evolution of ultrasonic P-wave velocity through cement pastes at early age
G Trtnik, G Turk - Cement and Concrete Research, 2013 - Elsevier
The paper discusses a possibility of using an ultrasonic wave transmission method to study
the influence of superplasticizers on the formation of structure of cement pastes at early …
the influence of superplasticizers on the formation of structure of cement pastes at early …
Monitoring elastic properties of concrete since very early age by means of cyclic loadings, ultrasonic measurements, natural resonant frequency of componant …
Early age cracking of structures often leads to aesthetic problems and service life reduction.
Among the parameters involved in the stress build-up that causes this cracking process, the …
Among the parameters involved in the stress build-up that causes this cracking process, the …
A new US procedure to determine setting period of cement pastes, mortars, and concretes
M Gams, G Trtnik - Cement and concrete research, 2013 - Elsevier
The paper presents a new method to determine the transition of different cementitious
materials from liquid to solid state, usually defined as a setting period. The method is based …
materials from liquid to solid state, usually defined as a setting period. The method is based …
In-situ monitoring the setting behavior of foamed concrete using ultrasonic pulse velocity method
W She, Y Zhang, MR Jones, P Guo - Journal of Wuhan University of …, 2013 - Springer
The applicability of ultrasonic pulse velocity (UPV) method to in-situ monitor setting and
hardening process of foamed concrete (FC) was systematically investigated. The UPVs of …
hardening process of foamed concrete (FC) was systematically investigated. The UPVs of …
Temperature and boundary influence on cement hydration monitoring using embedded piezoelectric transducers
X Cheng, L Qin, QQ Zhong, SF Huang, ZJ Li - Ultrasonics, 2013 - Elsevier
In this study, the hydration process was monitored using embedded ultrasonic transducers. It
was found that the ultrasonic amplitude decreased and fluctuated at the very early age …
was found that the ultrasonic amplitude decreased and fluctuated at the very early age …
Effects of experimental parameters in monitoring the hydration of cement mortars by ultrasonic testing
O Büyüköztürk, MA Taşdemir, ÖK Keskin… - … Testing of Materials and …, 2013 - Springer
In ultrasonic pulse velocity testing, frequency and the travel path length are important
parameters that determine the attenuation rate and the influence of near-field effect. Higher …
parameters that determine the attenuation rate and the influence of near-field effect. Higher …