State-of-the-art review and design of grouted duct connections for precast bridge columns

M Tazarv, G Shrestha, MS Saiidi - Structures, 2021 - Elsevier
The use of prefabricated bridge columns in seismic regions is challenging since
performance data on precast column connections is limited. A handful accelerated bridge …

Deformation ability of precast concrete columns reinforced with steel-FRP composite bars (SFCBs) based on the DIC method

Z Sun, Y Zheng, Y Sun, X Shao, G Wu - Journal of Building Engineering, 2023 - Elsevier
A steel-fiber reinforced polymer (FRP) composite bar (SFCB) is a novel reinforcement
composed of an inner steel bar and outer continuous FRP. Moreover, SFCBs have excellent …

Bond behavior between bundled composite bars and concrete using beam-end pullout tests

Y Sun, Y Zheng, Z Sun, Z Miao, Y Wei, G Wu… - Construction and Building …, 2024 - Elsevier
Bundled reinforcement can improve construction efficiency by reducing the number of
connectors required. The steel-fiber reinforced polymer (FRP) composite bar (SFCB) is a …

Mechanical bar splices for incorporation in plastic hinge regions of RC members

PK Dahal, M Tazarv - Construction and Building Materials, 2020 - Elsevier
Mechanical devices are incorporated in reinforced concrete (RC) structures in lieu of
conventional lap splicing mainly to reduce bar congestion in joints. Mechanical bar splices …

Experimental studies on seismic performance of mechanically spliced precast bridge columns

M Tazarv, T Sjurseth, E Greeneway, K Hart… - Journal of Bridge …, 2022 - ascelibrary.org
A mechanical bar splice, which is known as a bar coupler, is an alternative to traditional lap
splicing to connect bars in reinforced-concrete (RC) structures. Although it is feasible to …

Bond-slip behavior of bundled steel/FRP bars and its implementation in high-fidelity FE modeling of reinforced concrete beams

Z Sun, DC Feng, Y Sun, J Yuan, X Li, Y Wei - Construction and Building …, 2021 - Elsevier
Due to the controllable bond performance and high-efficiency construction of bundled hybrid
reinforcements, the seismic performance and accelerated construction of a precast concrete …

Experimental and numerical investigations on monotonic tensile behavior of grouted sleeve couplers with different splicing configurations

HM Al-Jelawy - Engineering Structures, 2022 - Elsevier
This study presents experimental and numerical investigations on the tensile behavior of
grouted sleeve (GS) couplers splicing steel bars with transition splicing and different …

Slip hardening behavior of bundled steel fibers in ultra-high performance concrete

M Dahal, K Wille - Cement and Concrete Composites, 2025 - Elsevier
This study introduces a novel steel fiber arrangement, termed “bundled fibers,” where
multiple high-strength steel wires are twisted into short, discontinuous fibers. The bond …

Experimental study on anchorage performance of steel bar-corrugated pipe grouted connection

J Ma, J Zhu, G Bai, W Zheng - Structures, 2021 - Elsevier
An experimental study was conducted to evaluate the effects of the temperature and the
anchorage length on the pullout resistance of steel bar-corrugated pipe grouted connection …

Quasi-static experimental study on precast concrete columns reinforced with bundled rebars

Y Sun, Y Zheng, Z Sun, L Yao, Y Zeng, G Wu - Structures, 2023 - Elsevier
Bundled reinforcement is an alternative approach to improve the installation efficiency and
structural integrity of precast concrete structures. With higher strength and lighter weight …