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The construction process for pre-stressed ultra high performance concrete communication tower.
Voo Yen Lai1,2, Farzad Hejazi1, Sarah Saleem1
1Department of Civil Engineering, University Putra Malaysia, Selangor, Malaysia.
Plos One
|November 4, 2020
Summary
This study introduces a new segmental tubular communication tower design using ultra-high-performance fibre concrete (UHPFC) and prestressed tendons. This innovative approach enhances durability, strength, and construction efficiency for modern communication infrastructure.
Area of Science:
- Structural Engineering
- Materials Science
- Civil Engineering
Background:
- Communication towers are vital for radio, television, and mobile services.
- Current designs prioritize feasibility, cost, speed, stability, and functionality.
- There is a need for improved materials and construction methods to enhance tower performance and efficiency.
Purpose of the Study:
- To propose a novel design for segmental tubular communication towers.
- To utilize ultra-high-performance fibre concrete (UHPFC) and prestressed tendons for enhanced properties.
- To present a new construction and installation methodology for communication towers.
Main Methods:
- Development of a specific UHPFC mix design including silica fume, sand, and steel fibers.
- Integration of prestressed tendons within the tower body to resist lateral loads.
- Construction using three precast segments connected with bolts and nuts.
Main Results:
- The proposed UHPFC mix provides high strength, durability, and ductility.
- Prestressed tendons enhance the tower's resistance to lateral forces.
- The segmental design facilitates rapid casting and efficient on-site installation.
Conclusions:
- The novel UHPFC segmental tubular tower design offers superior performance and construction advantages.
- This approach can reduce tower size, thickness, and overall construction costs.
- The method streamlines the construction and installation process for communication towers.
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