This platform offers a collection of free PDF files containing lecture notes on subjects about the analysis and design of structures, whether made of concrete or steel. These materials are prepared by Eng. Yasser El-Leathy and other professors.

These lecture notes are designed as taught in Egyptian Universities, and they contain the following:

• Eng. Yasser’s PDF files (45 files) provide comprehensive insights into the design, and reinforcement of reinforced concrete (RC) members, such as beams, columns, slabs, staircases, shallow foundations, and deep foundations (piles). Furthermore, there are PDFs showing how to choose a system to cover large areas.
• There are free illustrative videos (770 videos) made by Eng. Yasser El-leathy, covering all beams and column lectures and some of the slabs, stairs, and systems lectures. But there are no videos for foundations. These videos can be played directly by pushing a button in the PDF files.
• Dr. Ezz Al-Deen Mostafa has prepared PDFs (15 files) focusing on the analysis and design of post-tension concrete, bridges, and tanks. 
• Dr. Ahmed Farghal’s PDF file illustrates the wind and seismic effects on High rise buildings. 
• Dr. Akram Mostafa PDFs (30 files) covering the basics of structural analysis.
• Dr. Akram Mostafa has also performed (19 files) covering the design of Steel structures using ASD.
• All lectures are presented in Arabic mixed with English expressions and examples, aligning with current practices in most Egyptian Universities.
• Downloading these files is free, with permission for personal use only. Commercial use of these files is strictly prohibited.
• By this initiative, we hope to encourage you to share the knowledge bestowed upon you by God with others.