7) Plastic Deformation and Ultimate Strength of Reinforced Concrete Beames

Umemura, Hajime

doi:10.3130/aijsaxxx.42.0_59

Cited by 5 publications

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“…The stress-plastic strain relationship in compression was based on the method reported by Umemura [11] using the compressive strength of concrete, as shown in Figure 2. The input data in tension were a stress of 10% of the compressive strength of concrete and zero plastic strain.…”

Section: Materials Propertiesmentioning

confidence: 99%

Evaluation of the Plastic Deformation Capacity of Composite Beams Through the Connection Coefficient

Shimada

2023

ce papers

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For safer structural design, a simple index that describes the plastic deformation capacity of composite beams is needed, similar to the connection coefficient in the case of strength. In this study, the relationships between the plastic deformation capacity and strength under varying material properties and geometric shapes of concrete and steel members were considered through finite element analyses. Based on the obtained results, the plastic deformation factor was defined as the ratio of two rotation angles. The minimum value of the connection coefficient in composite beams corresponding to the ductility factor under severe earthquakes was determined because the plastic deformation factor can be used similar to the ductility factor. In addition, the minimum value of the connection coefficient in bare steel beams that will be safe even if a concrete slab is added was determined; therefore, the design of bare steel beams and composite beams are connected by the connection coefficient.

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Section: Materials Propertiesmentioning

confidence: 99%

Evaluation of the Plastic Deformation Capacity of Composite Beams Through the Connection Coefficient

Shimada

2023

ce papers

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Dynamic response of reinforced concrete buildings

1982

International Journal of Soil Dynamics and Earthquake Engineeri

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Dynamic response of reinforced concrete buildings

Umemura¹,

Takizawa²

1982

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During the last tow decades, remarkable progress has been made toward the better understanding of the performance of reinforced concrete buildings when subjected to destructive earthquake motions. This volume examines the literature with regard to analytical methods for modeling their dynamic failure, and is intended to provide a summary report on the current state of the art. The survey places major emphasis on formulations of a basically empirical nature. Its necessity arises mostly from the complexities inherent in the inelastic and hysteretic response of reinforced concrete. Important aspects are first reviewed for the microscopic or member-by-member modelings, while the interest is then taken in the macroscopic or simple modelings of overall behavior. Their advantages and limitations as well as the directions of future improvement are noted by including simple illustrations. In particular, the examination emphasizes unsatisfactory state of the art for a reliable description of the out-of-plane failure process of structure. An extensive presentation of the bibliography featurs this publication, dealing with the literature up until the middle of 1980 and covering no less than 300 papers. The work will contribute to bringing structural engineers up-to-date with the methods of strong-motion response analysis for reinforced concrete frames.

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7) Plastic Deformation and Ultimate Strength of Reinforced Concrete Beames

Cited by 5 publications

References 0 publications

Evaluation of the Plastic Deformation Capacity of Composite Beams Through the Connection Coefficient

Evaluation of the Plastic Deformation Capacity of Composite Beams Through the Connection Coefficient

Dynamic response of reinforced concrete buildings

Dynamic response of reinforced concrete buildings

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