The 48th volume of the journal includes articles on research results in geotechnical engineering, seismic and waterproofing resistances of structures, building materials, designing of fractal antenna for wireless communication, analysis of agricultural waste heating value, electrohydrodynamic drying and more. The engineers, students and scientific investigators working in the various engineering fields will find this volume of value.Table of Contents: Experimental Study on Waterproofing of Pipe Jacking Shaft and Pipe Joint in Metro Station Comparative Study of the Non-Linear Dynamic Behaviour of Different Seismic Isolation Systems Comparative Study of the Strength Properties and Frost Resistance of Cement Stabilized Macadam The Assessment and Treatment of Dredged Sediments and Limestone Tuff Using Waste Ceramic with Low-Cement Review of Characteristic Strength Reports for Steel Reinforcement in Nigeria (2010-2021) A Frequency Reconfigurable Fractal UWB Antenna Using Ground Stub and PIN Effectiveness of Copper as an Electrode Material on Enhancement of Electrohydrodynamic Drying Process Modeling of Agricultural Waste Higher Heating Value Based on Proximate Analysis Investigating the Behavior of Permeable and Impermeable Reservoirs in Southern of Iraq Long-Term Electricity Load Forecasting Using Artificial Neural Network: The Case Study of Benin