Articles
Prediction of Carbonation using Reactivity Test Methods for Pozzolanic Materials
Authors: Vineet Shah Anuj Parashar Satya Medepalli Shashank Bishnoi Abstract The influence of the capacity of supplementary cementitious materials (SCMs) to consume portlandite on the carbonation resistance of mortar was investigated. Seven different mineral additives...
Synthesis of Core–shell Soap-free Emulsion and Evaluation of its Performance in Oil-well Cement
Authors: Zhi-gang Peng Jia-rong Wu Qian Feng Jian Zhang Bo-jian Zhang Abstract A soap-free latex (XY-5) was prepared by means of a soap-free emulsion free-radical polymerisation method, using the synthetic polymer P (BA/AANa) as an emulsifier and butyl acrylate (BA),...
Performance of Cement Asphalt Mortar with Hanomaterials
Authors: Xi Wu Xing-Lang Fan Jia-Fei Jiang Abstract Deterioration of the cement asphalt mortar (CAM) cushion in non-ballast slab track can decrease the safety of high-speed railway lines in service. The improvement in the performance of CAM due to the addition of...
Investigation of the Effect of Consolidation on Cement Flow Behaviour
Author Affiliations Abstract One of the main problems affecting the flow of cement bulk powder is the formation of cohesive arching at the outlet of the hopper, causing blockage of the silo opening and bridge formation. A simple concept is established which outlines...
A Method for Cavity Scale Estimation Based on Ground-Penetrating Radar (GPR) Explorations: An Experimental Study
In Seoul, Korea, there have been large and small ground subsidence since 2014, which have become a social issue. Most ground subsidence occurred in the pavement of urban areas, and the main causes are supposed to be the improper construction of water supply pipes,...
Shear Behavior and Design of Post-Installed Anchors in Thin Concrete Members
This paper presents an experimental program investigating the behavior of single screw and adhesive anchors embedded in thin concrete with full thickness embedment depth subjected to shear load toward the free edge. Variables included: concrete thickness, concrete...
Impact Testing of Reinforced Concrete Beams Shear- Strengthened with Fiber-Reinforced Polymer Wraps
The dynamic behavior of reinforced concrete (RC) beams shear-strengthened with externally bonded carbon fiber-reinforced polymer (CFRP) wraps under low-velocity impact loading was experimentally investigated. Twelve simply supported RC beam specimens classified into...
Performance of Reinforced Concrete Coupling Beams Subjected to Simulated Wind Loadin
Abstract Strong wind events are the major factor governing the structural design of many tall buildings in regions with low-to-moderate seismic hazard; however, unlike seismic design, where performance-based design of tall buildings has become common in regions...
Database Evaluation of Shear Strength of Slender Fiber-Reinforced Polymer-Reinforced Concrete Members
Abstract Most of the current shear strength design provisions for reinforced concrete (RC) members with fiber-reinforced polymer (FRP) bars are empirically derived or calibrated by using different data sets. Therefore, a reliable database for developing or comparing...