Zobrazeno 1 - 10
of 498
pro vyhledávání: '"Ultrasonic test"'
Publikováno v:
地质科技通报, Vol 42, Iss 6, Pp 12-20 (2023)
Objective Revealing the variation behavior of P-wave velocity in fractured rock masses is of great significance for the quality grading and stability evaluation of rock masses for engineering purposes. Methods The nonfilling single fracture granite o
Externí odkaz:
https://doaj.org/article/eade36beb5c84a80b1434f6b9bad6bf7
Publikováno v:
International Journal of Geo-Engineering, Vol 14, Iss 1, Pp 1-23 (2023)
Abstract Shell folded footings have drawn the interest of researchers for decades as an alternative to typical flat isolated footings because folded footings can reduce the needed amount of reinforced concrete in addition to enhancing the overall geo
Externí odkaz:
https://doaj.org/article/cdaa565a1c204daa98418b5cca0fedc5
Autor:
LEI Shuai, LIU Chang, JIA Linjiang, FU Shanlong, LIN Lizhi, LI Yongrui, LI Jun, ZHANG Daijun, CHEN Xiangbao
Publikováno v:
Journal of Aeronautical Materials, Vol 42, Iss 5, Pp 119-126 (2022)
According to the flanged structure of composite casing, a typical sample with laminated structure manufactured by RTM process was designed using T800 grade carbon fiber fabrics reinforced polyimide composite. The strength property under the uniaxial
Externí odkaz:
https://doaj.org/article/d9d455e5304142a2b607205a08e3dfdd
Autor:
JULIO CESAR RAMOS JUSTEN
[pt] Os minerais evaporíticos formam as rochas e os depósitos evaporíticos. A maior parte a partir da evaporação da água por restrições de antigos oceanos. Os evaporitos hoje encontrados nos registros geológicos são de grande interesse para
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
Developments in the Built Environment, Vol 14, Iss , Pp 100142- (2023)
The development of non-destructive techniques has currently a high interest, such as those based on non-linear ultrasonic measurements. In this work it has been assessed the possible application of non-linear ultrasonic measurements for getting infor
Externí odkaz:
https://doaj.org/article/d44cb85a25154b2bb2a1b6e3d3e15f3b
Autor:
Miguel-Ángel Climent, Marina Miró, Jesús-Nuño Eiras, Pedro Poveda, Guillem de Vera, Enrique-Gonzalo Segovia, Jaime Ramis
Publikováno v:
Corrosion and Materials Degradation, Vol 3, Iss 2, Pp 235-257 (2022)
This work presents results allowing an unequivocal correlation of the observations of strong nonlinear elastic features of ultrasonic waves (values of the nonlinearity parameters exceeding the thresholds corresponding to undamaged states), with the c
Externí odkaz:
https://doaj.org/article/d12277aa34f14b10be68a7fa852d839e
Publikováno v:
Frontiers in Built Environment, Vol 8 (2023)
In Japan, much infrastructure has been constructed over the past 50 years, and maintenance of such infrastructure is important. Repairing and retrofitting of deteriorated concrete members has become a common place. Meanwhile, re-deterioration of repa
Externí odkaz:
https://doaj.org/article/d35353b5b8f8444fa6896fa2c21d0430
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.