Zobrazeno 1 - 10
of 19
pro vyhledávání: '"F Aouad"'
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 1716:40-48
The spectral analysis of surface waves (SASW) method is an in situ seismic technique that is used for evaluation of the stiffnesses of pavement systems at low strain levels. The stiffness of the surface layer can be determined by direct measurements
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98f1bae5e800ce6baf9dc3c14627c6f7
https://doi.org/10.3141/1716-05
https://doi.org/10.3141/1716-05
Publikováno v:
Desalination. 121:13-22
In this paper we compare the properties of anion-exchange membranes in contact with aqueous solutions containing zinc chloride complexes and with uncomplexed metal chloride solutions. Electric resistance measurements were performed as a function of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bcc18090f32bcfcf602c319d216f7e0
https://doi.org/10.1016/s0011-9164(99)00003-x
https://doi.org/10.1016/s0011-9164(99)00003-x
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 1633:120-127
Nondestructive methods based on propagation of sonic and ultrasonic waves are being used increasingly in the United States and internationally for forensic investigations of existing structures and for quality assurance of new construction. Of partic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c1e1c201982e1c77e5736987590c583
https://doi.org/10.3141/1633-16
https://doi.org/10.3141/1633-16
Autor:
F Aouad
Publikováno v:
Journal of Membrane Science. 123:207-223
The aim of this paper is to investigate the properties of anion exchange electrodialysis membranes in contact with aqueous solutions containing zinc chloride complexes. Measurements of electric resistance, water content, quantity of sorbed electrolyt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b6d738d63ee4d5e2f891cf748e1838a
https://doi.org/10.1016/s0376-7388(96)00212-8
https://doi.org/10.1016/s0376-7388(96)00212-8
Publikováno v:
SPIE Proceedings.
The FHWA project 'Dynamic Bridge Substructure Evaluation and Monitoring System' was conceived to use dynamic characteristics of the bridge substructure to determine the condition of the foundation and to identify the type of the underground substruct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b2a0fc3a86701a00e4d1e2712e9ed8c
https://doi.org/10.1117/12.300114
https://doi.org/10.1117/12.300114
Publikováno v:
SPIE Proceedings.
Nondestructive methods are increasingly being used in the USA for evaluation of our aging infrastructure. One of the areas of concern is he determination of conditions of unknown bridge foundation. Foremost is the need to determine the foundation dep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5908637a27953b38fc909ae561beb51
https://doi.org/10.1117/12.259133
https://doi.org/10.1117/12.259133
Publikováno v:
SPIE Proceedings.
This paper presents an overview of a new nondestructive testing (NDT) system that allows rapid nondestructive assessment of many types of structural materials. The new system is based on scanning impact echo (IE), using a rolling receiver, digitally
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0675a56566bc65bd38bf42a6e3335055
https://doi.org/10.1117/12.209387
https://doi.org/10.1117/12.209387
Publikováno v:
Review of Progress in Quantitative Nondestructive Evaluation ISBN: 9781461358190
Civil engineers have used Nondestructive Testing and Evaluation (NDT&E) methods based on Ultrasonic Pulse Velocity (UPV) measurements as far back as the 1940’s to evaluate the condition of new construction and monitor the integrity of the existing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f6b518756327f196a5fefc613698cef
https://doi.org/10.1007/978-1-4615-1987-4_278
https://doi.org/10.1007/978-1-4615-1987-4_278
Publikováno v:
8th EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems.
The use of ultrasonic crossmedium and crosshole tomography is described as a means for nondestructive evaluation (NDE) of flaws or imperfections in structural concrete. Tomography is an inversion procedure that can provide for ultrasonic images of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a37222e71ed22fd405a5c5d98b62fe2
https://doi.org/10.3997/2214-4609-pdb.206.1995_005
https://doi.org/10.3997/2214-4609-pdb.206.1995_005
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