Buildings & Structures
Analysis and Design of Double-Beam Coupling Beams
Author(s) Youngjae Choi and Shih-Ho Chao Abstract Double-beam coupling beams (DBCBs) are a viable alternative to diagonally reinforced concrete coupling beams (DCBs). While construction time and effort of DBCBs is much less than DCBs, their ability to sustain...
Behavior of Foamed Concrete Slabs Using Various Reinforcement Schemes
Author(s) Rabab Allouzi Abstract Foamed concrete exhibits enhanced mechanical, thermal and acoustic characteristics. Such properties seem to be a suitable alternative to fit evolving properties required in the housing industry. The main challenge is to select a...
Splice Strength of Reinforcing Bars with High and Low Alternating Ribs
Author(s) Oan Chul Choi, Seung Yul Yang, and Hajin Choi Abstract This paper describes an experimental analysis of 41 beam specimens conducted to investigate the splice strength of reinforcing bars in a novel alternating high and low rib pattern. The newly...
Shear Behavior of Lightweight Slag Aggregate Self- Consolidating Concrete Beams
Author(s) Khandaker M. Anwar Hossain, Kokilan Sathiyamoorthy, Tanvir Manzur, and Abdurrahmaan Lotfy Abstract Lightweight self-consolidating concrete (LWSCC) has evolved to combine the excellent benefits of self-consolidating concrete (SCC) and lightweight...
Experimental Study of Direct Shear in Concrete with Recycled Aggregate
Author(s) Juliana Trindade, Sergio Garcia, and Gabriel Fonseca Abstract To investigate shear transfer in recycled and natural coarse aggregate concrete, 45 pushoff specimens were tested. Replacement levels of natural coarse aggregates by recycled aggregates in...
Review of Residual Properties of Concrete under Freezing-and-Thawing Loading
Author(s) Yusheng Zeng, Ser Tong Quek, Aiping Tang, and Xianyu Zhou Abstract Freezing-and-thawing (F-T) resistance is a key parameter in evaluating the durability of concrete. The response of concrete under F-T environment varies depending on the mixture...
Increase in Coating Thickness of Epoxy-Coated Steel Reinforcing Bars for Concrete Deck Replacement
Author(s) Rachel E. Henkhaus, Sandra Villamizar, and Julio A. Ramirez Abstract The allowable range of epoxy coating thickness specified by ASTM A775/A775M is 175 to 400 μm (7 to 16 mils). This study investigates the impact on structural performance of...
Effects of Polycarboxylate-Modified Fly Ash on Fluidity and Strength of Concrete
Author(s) Peng Liu, Min Qu, Fazhou Wang, Guohua Hu, and Chuanlin Hu Abstract It is well known that the workability of concrete will decrease when doped with secondary fly ash (FA). The authors reported a new FA composite with surface modification which can...
Performance of Ultra-High-Performance Concrete in Harsh Marine Environment for 21 Years
Author(s) Author(s): Edward G. Moffatt, Michael D. A. Thomas, Andrew Fahim, and Robert D. Moser Abstract This paper presents the durability performance of ultra-high-performance concrete (UHPC) exposed to a marine environment for up to 21 years. Concrete...