Behavior of Prestressed Concrete Beams in the Presence of Opening Before and After Tensioning of Cables

Document Type : Original Article

Authors

1 Civil Engineering

2 Professor, Civil Engineering Department, Helwan University, Egypt

3 Lecturer , Civil Engineering Department, Shorouk Academy, Egypt

Abstract

In modern construction, after the completion of the concrete structure, there are many 
openings and Ducts necessary for many services . the openings in the prestressed concrete 
beams became an important parameters must be studied. In this work, the behavior of 
prestressed concrete beams with opening was experimentaly and theortically studied. The 
effect of opening size, timing of created openings, and type of section are the main paramters 
The experimental study consists of six prestressed concrete beams with rectangular crosssection, sized 200 mm (width) x 400 mm (height) x 4000 mm (length) were manufactured, one 
of them with T- Section (total width of Flange 600 mm). by using ANSYS program, the size 
of opening after validation model was studied

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