Linear Buckling Analysis of Laminated Composite Plates With Various Cut-Out Openings

Sunagar, Prashant; R, Nitish Reddy; Anon, Rajegowda; Bhashyam, Aravind; Dharek, Manish S.; Sreekeshava, K. S.

doi:10.34218/ijciet.11.1.2020.014

Cited by 2 publications

(1 citation statement)

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“…4. Slip can be defined as a difference in horizontal movement between the CFST and the concrete deck slab in their interface zone [22], [23]. As shown in Table 4, the slip for all beams began at 90% of ultimate load except two beams, namely, S20-55-2900 which began at 70.6% of ultimate load and S20-35-2000 which began at 51.4% of the ultimate load.…”

Section: Slipmentioning

confidence: 99%

Archives of Civil Engineering

Farhan,

Shallal

2020

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The main objective of this study is to highlight the performance of beams composed of lightweight concretefilled steel tubes (square and circle sections) composite with reinforced concrete deck slab. A total of nine composite beams were tested included two circular and seven square concrete-filled steel tubes. Among the nine composite beams, one beam, S20-0-2000, was prepared without a deck slab to act as a reference specimen. The chief parameters investigated were the length of the specimen, the compressive strength of the concrete slab, and the effect of the steel tube section type. All beams were tested using the three-point bending test with a concentrated central point load and simple supports. The test results showed that the first crack in the concrete deck slab was recorded at load levels ranging from 50.9% to 77.2% of the ultimate load for composite beams with square steel tubes. The ultimate load increased with increasing the compressive strength of the concrete slab. Shorter specimens were more stiffness than the other specimens but were less ductile. The slip values were equal to zero until the loads reached their final stages, while the specimen S20-55-1100 (short specimen) exhibited zero slip at all stages of the load. The ultimate load of the hollow steel tube composite beam was 13.2% lower than that of the reference beam. Moreover, the ductility and stiffness of the beam were also higher for beams with composite-filled steel tubes.

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Section: Slipmentioning

confidence: 99%