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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.11 No.4
- 발행연도
- 2017.12
- 수록면
- 657 - 676 (20page)
이용수
초록· 키워드
오류제보하기
Punching shear resistance of column footings and foundation slabs varies significantly in different standards. The reason for this is because standards define differently the position of the critical perimeter in which the punching shear resistance should be determined, and quantify the influences of the main parameters like effective depth, shear slenderness, compressive strength of concrete, longitudinal reinforcement ratio and tension yield stress of reinforcement in different ways. In order to quantify the level of safety in Eurocode 2 and in fib MC 2010, their design results are compared with the test results of the series of footings tested in completely realistic boundary conditions in terms of the subgrade soil. Besides the performed tests results, the analysis of the other investigations of the footing punching rested on the real soil is also included. Thus was obtained the answer to the question how individual characteristics of the footings and of the soil affect the punching bearing resistance and how accurately Eurocode 2 and fib MC 2010 predict the bearing capacity of the tested column footings. At the end, based on the test results and on the tests of others, and on and performed numerical analyses, a possible modification of Eurocode 2 in the field of reinforced concrete footing was proposed.
목차
Abstract
1. Introduction
2. Research Background
3. Experimental Investigation
4. Testing Procedure
5. Comparison of the Test Results with the Eurocode 2
6. Comparison of the Test Results with the fib MC 2010
7. Influence of the Footing Characteristics on Its Punching Capacity
8. Proposed Method of Calculation
9. Conclusions
References
참고문헌 (37)
참고문헌 신청
Belletti, B., Pimentel, M., Scolari, M., & Walraven, J. C. (2015a). Safety assessment of punching shear failure according to level of approximation approach. Structural Concrete, 16(3), 366?380.
Belletti, B., Walraven, J. C., & Trapani, F. (2015b). Evaluation of compressive membrane action effects on punching shear resistance of reinforced concrete slabs. Engineering Structures, 95(7), 25?39.
Bonic´, Z. (2011). A contribution to the failure calculation theory by punching shear of column footings resting on deformable subgrade soil. Ph.D. Thesis, Faculty of Civil Engineering and Architecture, Nisˇ, Serbia, 182 (in Serbian)
Bonic´, Z., Vacev, T., Prolovic´, V., Mijalkovic´, M., & Dancˇevic´, P. (2010). Mathematical modeling of materially nonlinear problems in structural analyses (part II?application in contemporary software). Facta Universitatis, Series: Architecture and Civil Engineering, University of Nisˇ, 8(2), 201?210.
Bowles, E. J. (2001). Foundation analysis and design. New York: McGraw-Hill Companies.
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