Temat: concrete strength - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: An experimental study on the shear strength of SFRC beams without stirrups
Autorzy:: Arslan, G.
Keskin, R. S. O.
Ulusoy, S.
Powiązania:: https://bibliotekanauki.pl/articles/279535.pdf
Data publikacji:: 2017
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: steel fiber
reinforced concrete
shear strength
beam
Opis:: The use of steel fibers in reinforced concrete (RC) structural members aims at the improvement of mechanical properties of such members. This study focuses on shear strength characteristics of steel fiber reinforced concrete (SFRC) beams without stirrups. Test specimens consisting of three RC and ten SFRC beams without stirrups have been tested under three-point loading in order to investigate the effects of fiber content and shear span-to-effective depth ratio on the shear strength. Furthermore, an equation developed previously for predicting the ultimate shear strength of SFRC beams without stirrups is proposed to predict the diagonal cracking strength of SFRC beams without stirrups.
Źródło:: Journal of Theoretical and Applied Mechanics; 2017, 55, 4; 1205-1217
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Assessment of the strength reduction factor in predicting the flexural strength
Autorzy:: Alacali, S.
Arslan, G.
Powiązania:: https://bibliotekanauki.pl/articles/280506.pdf
Data publikacji:: 2018
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: reinforced concrete
beam
flexure strength
reduction factor
target reliability
Opis:: In the design of flexural strength, the strength reduction factor φ decreases from tension- -controlled sections to compression-controlled sections to increase safety with decreasing ductility. This paper presents how to determine the reduction factor for flexural strength of reinforced concrete beams according to ACI code. In the reliability-based design, the reliable prediction of the flexural strength of reinforced concrete members is assured by the use of reduction factors corresponding to different target reliability index β. In this study, for different β and coefficients of variation of the flexural strength parameters, the flexural strength reduction factor has been investigated by using experimental studies available in the literature. In the reliability analysis part of the study, the first-order second moment approach (FOSM) has been used to determine the reduction factor. It has also been assumed that the random variables are statistically independent.
Źródło:: Journal of Theoretical and Applied Mechanics; 2018, 56, 4; 1043-1053
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The investigation of the strength reduction factor in predicting the shear strength
Autorzy:: Arslan, G.
Alacali, S. N.
Sagiroglu, A.
Powiązania:: https://bibliotekanauki.pl/articles/281620.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: reinforced concrete
beam
shear strength
reduction factor
target reliability
Opis:: Design codes propose to restrict the nominal probability of failure within specific target structural reliability levels using a load factor and a strength reduction factor. In the current ACI318 Code, the strength reduction factor varies from 0.65 to 0.90, and the value considered in predicting the shear strength equals to 0.75. In this study, the change in the strength reduction factor in predicting the shear strength according to ACI318 has been investigated for different coefficients of variation of concrete compressive strength by using the first-order second moment approach, and the strength reduction factor is proposed for the target values of failure probability.
Źródło:: Journal of Theoretical and Applied Mechanics; 2015, 53, 2; 371-381
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

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