Abstract
The article deals with the importance of the dynamic modulus of elasticity for military use of protective constructions. Not only the construction of the shelter has to save the crew inside, but also it should bear loading repeatedly. And the verification procedures of construction capability to withstand further load are being developed by military engineer specialist for the Czech armed force’s needs.
But for the verification of the real shelters construction is not possible to take samples. That’s why the non-destructive methods are used. From these methods is possible to obtain the dynamic modulus of elasticity and the static modulus has to be counted.
The paper contains the results of measurements of the dynamic modulus of elasticity with ultrasound to test of the 20 cubes made from the concrete and 18 cubes made from the steel fiber reinforced concrete. The dynamic modules of elasticity were converted to the static in accordance with Czech technical standard ČSN 73 2011 [2]. Non-destructive testing of concrete structures.
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Acknowledgment
The work presented in this article has been supported by the Czech Republic Ministry of Defence- K 201 Department development program “Development of technologies in weapons construction, ammunition, weapons instrumentation, materials engineering and military infrastructure”.
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Zezulová, E. (2017). The Dynamic Modulus of Elasticity as an Important Parameter for Military Use of Constructions. In: Kravcov, A., Cherepetskaya, E., Pospichal, V. (eds) Durability of Critical Infrastructure, Monitoring and Testing. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-10-3247-9_22
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DOI: https://doi.org/10.1007/978-981-10-3247-9_22
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