Flexural behaviour of high strength engineered cementitious composites (ECC)-reinforced concrete composite beams

Qin, Fengjiang; Wei, Xinyan; Lu, Youfu; Zhang, Zhigang; Di, Jin; Yin, Zhiwei

doi:10.1016/j.cscm.2023.e02002

Cited by 6 publications

(1 citation statement)

References 33 publications

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“…The crack developing rate and width of the composite beams using ECC material as permanent formwork were reduced. In order to enhance the durability of RC structures, several researchers [12,13] proposed a new method by introducing a composite beam with U-shaped ECC permanent formwork. Compared with RC beams, the ECC/RC composite beams showed improved deformability, bearing capacity, and failure durability.…”

Section: Introductionmentioning

confidence: 99%

Structural Behavior of Precast Monolithic Composite Beams with ECC Prefabricated Shells

Lu,

Li,

Pan

et al. 2024

Buildings

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Engineered Cementitious Composite (ECC) was used in the prefabricated shell of a precast composite beam, and the validity of the ECC in the precast monolithic composite beam’s flexural performance was studied. Flexural performance tests were conducted on six specimens to analyze their failure state, failure mechanism, bearing capacity, and deformation capacity. Compared with the Reinforced Concrete (RC) prefabricated shell composite beam, the ECC prefabricated shell composite beam showed a higher bearing capacity and lower damage degree. The yielding load of specimen PSMCB−1 increased by 5.6%. The maximum load of specimen PSMCB−1 reached 256.6 kN, having increased by 8.1%. When the tests stopped, the maximum crack width of specimen PSMCB−1 was 4.1mm, while the maximum crack width of specimen PSMCB−6 reached 9.0 mm. The ECC material in the prefabricated shell also delayed the yielding of the steel bars in the shell.

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Section: Introductionmentioning

confidence: 99%