Work

An Experimental Study on the Axial Compressive Behavior of Normal Concrete Composite Square Columns with UHPC Internal Cores

Year: 2025

Type: article

Abstract: The paper presents the results of experimental tests on Normal Strength Concrete (NSC) composite square columns with Ultra-High-Performance Concrete (UHPC) internal cores of four types with a total of 24 specimens, examining the shape, number of cores, and steel fiber content to create a promising model for studying the axial compressive behavior of UHPC-NSC composite square columns. This study examines UHPC concrete with a steel fiber content of 0, 1, and 2% by volume using materials available in Vietnam in the cores. The results show that the addition of steel fibers increased the bearing capacity of the structure, while also helping to accurately evaluate the interaction between the NSC and the UHPC core. This study makes an important contribution to UHPC research in the context of limited experimental data, opening opportunities for the development of more advanced construction technologies and is of practical significance for the construction industry.

Source: Engineering Technology & Applied Science Research

DOI: 10.48084/etasr.10146

Authors: Thanh Vy Nguyen, Thanh Vy Nguyen, Tuan Anh Nguyen, Tuan Anh Nguyen, An Hoang Le

Institutions: Ho Chi Minh City University of Transport, Tra Vinh University

Language: English

Topic: Structural Behavior of Reinforced Concrete

Subfield: Building and Construction

Field: Engineering

Domain: Physical Sciences

SDG: Industry, innovation and infrastructure

Open Access status: gold

Estimated APC paid: $431