Multivariable regression strength model for steel fiber-reinforced concrete beams under torsion

AF Deifalla, AG Zapris, CE Chalioris - Materials, 2021 - mdpi.com
Torsional behavior and analysis of steel fiber reinforced concrete (SFRC) beams is
investigated in this paper. The purpose of this study is twofold; to examine the torsion …

Influence of fiber content on shear capacity of steel fiber-reinforced concrete beams

JA Torres, EOL Lantsoght - Fibers, 2019 - mdpi.com
For shear-critical structural elements where the use of stirrups is not desirable, such as slabs
or beams with reinforcement congestion, steel fibers can be used as shear reinforcement …

Shear capacity of steel fiber‐reinforced concrete beams

DH Lee, SJ Han, KS Kim, JM LaFave - Structural Concrete, 2017 - Wiley Online Library
This study proposes a shear strength model for steel fiber‐reinforced concrete (SFRC)
beams—the so‐called dual potential capacity model (DPCM). It can suitably consider the …

Modified softened membrane model for ultra-high-performance fiber-reinforced concrete solid and hollow beams under pure torsion

J Zhou, C Li, DY Yoo, J He, Z Feng - Engineering Structures, 2022 - Elsevier
Limited research has focused on the development of rational theoretical models for
evaluating the pure-torsional behavior of ultra-high-performance fiber-reinforced concrete …

Strengths of thick prestressed precast hollow-core slab members strengthened in shear

D Lee, MK Park, HE Joo, SJ Han… - ACI Structural …, 2020 - search.proquest.com
The prestressed hollow-core slab (PHCS) system is one of the most commonly adopted
precast concrete flooring systems, which can optimize productivity and structural efficiency …

Torsional responses of steel fiber-reinforced concrete members

H Ju, KS Kim, DH Lee, JH Hwang, SH Choi, YH Oh - Composite Structures, 2015 - Elsevier
This study introduces two analytical approaches to estimate the torsional behavior of steel
fiber reinforced concrete (SFRC) members. The first approach utilized the tensile constitutive …

Minimum torsional reinforcement ratio for reinforced concrete members with steel fibers

H Ju, DH Lee, KS Kim - Composite Structures, 2019 - Elsevier
The current design codes for concrete structures suggest the minimum torsional
reinforcement ratio to induce minimum ductile failure after cracking in reinforced concrete …

Analytical model for torsional behavior of RC members combined with bending, shear, and axial loads

H Ju, SJ Han, KS Kim - Journal of Building Engineering, 2020 - Elsevier
In this study, a torsional behavior analysis model is developed for reinforced concrete (RC)
members subjected to combined loads. In the analytical model, a member section is …

Torsional design method used in Eurasia region: A comparative study

H Ju, D Lee, KH Kim, M Yerzhanov, D Zhang… - Structural …, 2021 - Wiley Online Library
This study conducted an extensive review and evaluation of torsional design methods
specified in SNiP and other international building codes. Unlike thin‐walled tube approach …

Maximum torsional reinforcement ratio of reinforced concrete beams

H Ju, D Lee, JR Kim, KS Kim - Structures, 2020 - Elsevier
The amount of maximum torsional reinforcement is specified to prevent the failure of
concrete compressive struts before the reinforcement yielding in reinforced concrete …