Bridging the Gap Between Concrete Microstructures and Tunnel Linings

Binder, Eva; Wang, H.; Schlappal, Thomas; Zhang, Jiaolong; Yuan, Yong; Pichler, Bernhard; Mang, Herbert A.

doi:10.1007/978-3-319-60885-3_2

Cited by 2 publications

(4 citation statements)

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“…Photographs showing the destroyed concrete cylinders after high-dynamic testing, see Fig. 11, taken from [27], suggest that = 0.50 h. Based on this value, the corresponding high-dynamic strength tests could be reproduced, see [7] and Fig. 8a.…”

Section: Results From Recent Fundamental Researchmentioning

confidence: 85%

“…Fundamental research in this area is based on the theory of propagation of stress waves and cracks through linear-elastic, isotropic media. An engineering-mechanics approach was used to develop a model for the high-dynamic compressive and tensile strength of specimens made of cement pastes, mortars, and concretes [3,[6][7][8]. Herein, the question is discussed whether or not it is possible to analyze concrete structures subjected to dynamic loading by means of commercial simulation software for quasi-static analysis, simply by introducing higher values of the strength.…”

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confidence: 99%

“…Setup of split Hopkinson pressure bars for testing of high-dynamic strength: a compression, and b tension Results from quasi-static and high-dynamic testing of specimens made from cementitious materials: a compressive strength values[6,26,27], and b tensile strength values[28,29] DIF values as a function of the strain rate; points refer to experimental data taken fromFig. 7, solid lines to the developed engineering-mechanics model: a compression tests analyzed in[3,6,7], and b tension tests analyzed in[8] …”

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confidence: 99%

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Application-oriented fundamental research on concrete and reinforced concrete structures: selected findings from an Austro-Chinese research project

et al. 2020

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In this paper, the significance of application-oriented fundamental research on concrete and reinforced concrete structures for progress regarding practical applications to structural design is addressed based on four examples. They were treated in a joint research project of Vienna University of Technology and Tongji University. The first topic refers to sudden heating or cooling of concrete structures, the second one to highdynamic strength of specimens made of cementitious materials, the third one to structural analysis of segmental tunnel rings used in mechanized tunneling, and the fourth one to serviceability and ultimate limit states of concrete hinges used in integral bridge construction. The first two topics deal with exceptional load cases. Results from the fundamental research call for improvements of state-of-the-art simulation approaches used in civil engineering design. The last two topics refer to reinforced concrete hinges used in mechanized tunneling and integral bridge construction, respectively. Integrative research has led to progress regarding the verification of serviceability and ultimate limit states. In all four examples, results from fundamental research are used to scrutinize state-of-the-art approaches used in practical structural design of civil engineering structures. This allows for identifying interesting directions for the future development of design guidelines and standards.

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Section: Results From Recent Fundamental Researchmentioning

confidence: 85%

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confidence: 99%