Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Marwan 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:
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
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:
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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Conference
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