Surface wave velocity measurement of concrete using ultrasonic sensors requires testing on
only one side of a member. Thus, it is applicable to concrete cast inside a form and is often …

Quality of mature concrete can be judged a great deal by monitoring its properties at the time
of pouring. However, modern day concrete varies greatly in composition and rheology that …

This study proposes a new model for estimating the setting and compressive strength
development times, which involve changes in the concrete condition at early ages, using the …

Using ultrasonic pulse velocity (UPV) testing has long been regarded as an effective
approach for evaluating concrete strength; however, because of the influence of numerous …

Durability and strength of mature concrete can be judged a great deal from its properties
when it is freshly poured. This paper demonstrates an ultrasonic in-situ monitoring technique …

The in situ testing of early age concrete strength is crucial for determining the time of form
removal from concrete elements, opening highways to traffic, or applying prestress to steel …

Previous studies have not advanced a method for measuring the strength of concrete at an
early age. In this study, an embedded piezoelectric sensor module has been developed for …

The purpose of this study is to estimate the compressive strength according to the age of the
concrete structure using ultrasonic pulse velocity method. If the correlation between the …

The use of an embedded waveguide to monitor the setting and early hardening of concrete
has been investigated. The technique uses measurements of the attenuation of a guided …

A new method of measuring the velocity of surface waves and hence determining the
dynamic modulus of elasticity and Poisson's ratio for concrete or other solid materials is …