The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
This paper presents an application of noninvasive near-field technique for wireless structural health monitoring. The dielectric constants of Guo Biao concrete specimens were studied by means of regression modelling. The aim is to obtain the nominal values of dielectric constant of Guo Biao concrete.
A new model for determining the water content of early-age concrete is proposed in this paper. The water-cement (w/c) ratios of early-age concrete can be determined based on the measured dielectric constant. The experimental results show that the relation between the relative dielectric constant (εr') and w/c can be modelled by a linear function at microwave frequency of 2 GHz. The model has verified...
Dielectric property of concrete describes the physical-chemical properties related to EM energy storage and penetration of concrete material. This paper presents the measurement data of dielectric constant for the Chinese-standard (GB) concrete at mature age. The objective is to develop models for the dielectric constant of GB concrete at microwave frequency. The noninvasive crack detection and wireless...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.