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Abstract
This paper presents one of the applications of monitoring mechanical tests carried out in Construction Materials Laboratory of Istanbul Technical University. In Turkey, as in many countries, large amount of existing buildings exposed to seismic hazard, therefore various analytical and experimental studies are being conducted to contribute to the solution of the problem. One of the new generation retrofitting techniques is to strength the structural members by using Fiber Reinforcing Polymer (FRP). This study summarize the results of monitoring of deformations short concrete column samples under the incremental compression load. In this study, result of two rectangular short columns are given. One of them was tested as a reference sample, the other sample were tested after strengthening by PET reinforced polymer composite materials. Besides conventional displacement and strain measurement systems, laser scanning method was used to get three dimensional deformed shape of sample at each selected steps.
Highlights
Since earthquake is one of the common problems of humanity; applications of structural strengthening maintains its importance in the scientific studies
In Turkey, as in many countries, large amount of existing buildings exposed to seismic hazard, various analytical and experimental studies are being conducted to contribute to the solution of the problem
One of the new generation retrofitting techniques is to strength the structural members by using Fiber Reinforcing Polymer (FRP)
Summary
Since earthquake is one of the common problems of humanity; applications of structural strengthening maintains its importance in the scientific studies. Besides of increasing load carrying capacity, increasing deformation capacity of structure is very important to keep the integrity of structure. This means, if total collapse of building can be prevented, people can be survived during a catastrophic earthquake. If lateral expansion was restrained in any way, load carrying and/or deformation capacity can be increase and the failure can be delayed depend on some parameters such as shape. PET fabric polymer composite was used for this purpose as a strengthening material. This study summarize the results of monitoring of deformations short concrete column samples under the incremental compression load. One of them was tested as a reference sample, the other sample were tested after strengthening by PET reinforced polymer composite materials. Besides conventional displacement and strain measurement systems, laser scanning method was used to get three dimensional deformed shape of sample at each selected steps
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