civil-engineering-2018-posters-abstracts

Page 53

JET 2018

ISSN: 2319-9873

I n t e r n a t i o n a l C o n f e r e n c e o n

Structural and Civil Engineering

Research

O c t o b e r 0 1 - 0 2 , 2 0 1 8

Am s t e r d a m , N e t h e r l a n d s

Civil Engineering 2018

here are many precast concrete structures such as pile, box, and poles. High quality control is possible because most

of them are manufactured at the factory and also, concrete structures with manufacturing defects can be eliminated by

quality inspections. However, in spite of thorough quality inspections, many defective products are used. Therefore, unexpected

collapses often occur. In this study, the reliability of electrical concrete poles was studied considering manufacturing defects.

For this, electrical concrete poles were manufactured with different pre-stressing forces. Strain gauges were installed on the

tendons to check for changes in pre-stresses. Flexural strength tests were also performed. After the tests, the poles were cut to

check the position of the tendons and reinforcement steel. In addition, analysis of the electrical poles was performed. Based on

the analysis and test results, manufacturing defects such as pre-stresses and steel positions must be considered in the design

of the electrical poles.

Reliability of pre-stressed electrical concrete

poles for considering manufacturing defects

Sang Lyul Cha, Jae Chan Park and Hyung Jo Jung

Korea Advanced Institute of Science and Technology, South Korea

JET 2018 Volume: 7