Phenomenological interpretation of the shear behavior of reinforced Engineered Cementitious Composite beams

Paegle, Ieva; Fischer, Gregor

doi:10.1016/j.cemconcomp.2016.07.018

Cited by 35 publications

(15 citation statements)

References 10 publications

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“…ECC's strain hardening and multiple cracking behavior on the shear capacity of beams loaded in shear were investigated by experiments [84]. Results exhibited that ECC was similar to steel reinforcements for improving the shear capacity of beams.…”

Section: Shear Performancementioning

confidence: 99%

Review of Cementitious Composites Containing Polyethylene Fibers as Repairing Materials

et al. 2020

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Polyethylene (PE) is an important polymeric material which is widely used in civil engineering. Recently, engineered cementitious composites (ECCs) have adopted PE fibers in structural repairing. ECC with polyethylene fibers (PE-ECC) has excellent tensile properties, ductility, strain-hardening behavior, thermal performance and durability. In this paper, a systematic review of the cementitious composites with PE fibers is summarized to facilitate the application of PE-ECC. The influence of PE fibers on the properties of ECC, such as compressive strength, flexural behavior, shear properties, impact resistance and tensile properties, is presented. Meanwhile, the properties of PE-ECC repaired structures, such as beams, walls and columns, are described. Further, the self-repairing properties of PE-ECC are presented. Finally, some suggestions for future research are provided in order to apply PE-ECC to practical repairing cases. The review exhibits that PE-ECC is of notable significance to the repairing of structures and clarifies its application scope.

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Section: Shear Performancementioning

confidence: 99%

Review of Cementitious Composites Containing Polyethylene Fibers as Repairing Materials

et al. 2020

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“…20 In addition, Han et al 20 also provided a similar idea to account for the Poisson effect by which local strains were converted into equivalent strains with a project matrix. The biaxial strains of ECC in Equation (16) are converted into uniaxial strains as follows:…”

Section: Relationship Between Biaxial Strains and Uniaxial Strainsmentioning

confidence: 99%

“…In addition to the remarkable improvement in the tensile ductility, various experiments demonstrated that obvious improvement was observed in the performance of shear‐critical ECC specimens . Therefore, ECC is being considered as the substitute of conventional concrete and creatively applied in seismic resistant structures .…”

Section: Introductionmentioning

confidence: 99%

“…[6][7][8] In addition to the remarkable improvement in the tensile ductility, various experiments demonstrated that obvious improvement was observed in the performance of shearcritical ECC specimens. [9][10][11][12][13][14][15][16] Therefore, ECC is being considered as the substitute of conventional concrete and Discussion on this paper must be submitted within two months of the print publication. The discussion will then be published in print, along with the authors' closure, if any, approximately nine months after the print publication.…”

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confidence: 99%

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Modeling of shear‐critical reinforced engineered cementitious composites members under reversed cyclic loading

Pan

et al. 2018

Structural Concrete

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Engineered cementitious composites (ECC) possesses characteristics that make it suitable in the zones of high ductility and high‐shear demand of structural elements. In this study, a numerical modeling method for simulating shear‐critical reinforced ECC members was put forward. Uniaxial cyclic constitutive models of ECC in compression and tension were proposed, including unloading and reloading scheme. Softening phenomenon and Poisson effect of cracked ECC were also considered in the proposed 2‐dimension constitutive model. The proposed model was coded into the simulation of concrete structures program in the OpenSEES platform to simulate the structural responses. Four short RECC and ECC/RC columns were tested under reversed cyclic lateral loading and constant axial loading, to verify the proposed model. In addition, the recorded hysteretic responses of RECC and ECC/RC shear walls subjected to reversed cyclic loading were compared with the simulated hysteretic loops. Results of comparative analysis indicate that the proposed model is reasonably accurate in simulating the mechanical properties of shear‐critical reinforced ECC members.

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“…The shear behaviors of ECC material and structure have been studied and the results demonstrate that the pseudo-strain-hardening tensile properties of ECC materials can be successfully translated into an advantageous structural shear response [11,12]. It was found that the ECC significantly enhanced the shear behavior of the short span beam under cyclic loading [13].…”

Section: Introductionmentioning

confidence: 99%

Shear Behaviors of RC Beams Externally Strengthened with Engineered Cementitious Composite Layers

Wang

Yang

Pan³

et al. 2019

Materials

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The shear behaviors of reinforced concrete (RC) beams externally strengthened with engineered cementitious composite (ECC) layers were studied and the strengthening effect was evaluated based on a truss and arch model. The beams were designed without web reinforcement in the middle part and ECC was sprayed onto both sides of the beams to the designed thicknesses, which were 20 mm and 40 mm. A series of four-point bending experiments were conducted and analyzed. The development of the shear strain in each side of the beams was recorded by strain rosettes formed with three fiber Bragg grating (FBG) sensors. The thickness of ECC layers, reinforcement ratios, and shear span-to-depth ratios were considered and analyzed. This is an effective way to shear strengthen RC beams with ECC layers. The ultimate load of the strengthened specimen can be improved by 89% over the control specimen. Strengthening an RC beam into an under-reinforced beam should be avoided. The FBG sensors are suitable to measure and monitor the development of shear strain in the side of the strengthened specimen. Based on the truss and arch model, an evaluation of the shear strengthening effect was established and the results agree well with the experimental results.

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Phenomenological interpretation of the shear behavior of reinforced Engineered Cementitious Composite beams

Cited by 35 publications

References 10 publications

Review of Cementitious Composites Containing Polyethylene Fibers as Repairing Materials

Review of Cementitious Composites Containing Polyethylene Fibers as Repairing Materials

Modeling of shear‐critical reinforced engineered cementitious composites members under reversed cyclic loading

Shear Behaviors of RC Beams Externally Strengthened with Engineered Cementitious Composite Layers

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