Arc341 building 3 spring 2019 lecture 5 - surface active - chapter 4

This document appears to be course materials from a building construction and materials class at Future University in Egypt. It includes the course information such as the name, faculty, department, instructor, and appears to be focusing on a chapter about surface-active structures. The chapter discusses that building with structural surfaces requires knowledge of surface-active structure systems, including their functioning, geometry, and significance for architectural form and space.