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Comparison of pigtail with J anchor bolt in normal concrete

Osman, Mohamad Hairi and Abd Shukor, Mohamad Nur Mustaqim and Adnan, Suraya Hani and Ahmad Jeni, Mohamad Luthfi and Abdullah, Mohd Sufyan and Salim, Salman and Tami, Hannifah and Abdul Rahman, Nor Azira (2017) Comparison of pigtail with J anchor bolt in normal concrete. In: Malaysia Technical Universities Conference on Engineering and Technology (MUCET 2017), 6-7 December 2017, Park Royal Hotel, Penang, Malaysia.

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Anchor bolts have been used to attach the steel structure of concrete and transfer load into the concrete. Anchor bolts in concrete are to withstand the shear force as they connect steel beams to the reinforced concrete foundations. The research was carried out to increase the understanding and investigating the performance of anchor bolts Pigtail since there is a lack of research on the bolt and to compare it with anchor bolts J which have been widely used by the industry. According to the methodology, testing the tensile load was used in this research to get a maximum load capacity of the anchor bolt in concrete. The sample was embedded in concrete cylinders of 75mm radius and 300mm height. Depths of embedment were 200mm, 230mm, and 260mm. The Universal Testing Machine, UTM was used to test the strength of tensile. 12 samples were used, each type and depth used two samples to get the average value using concrete grade 30. The samples underwent the process of curing for 28 days. The anchor bolts J used a 40mm bending radius and the length of hook was 100mm. Anchor bolts pigtail also used the 10 bending radius with depth of 8mm that have been compressed using 16mm radius rigs with a load of 500kN. Results of the research showed the depth of 260mm for Pigtail almost the same with J 60.529kN and 53.628kN and anchor bolts J were 75.557kN and 76.332kN. Difference of the values was not too far vary when compared with the 200mm and 230mm depths. Each comparison showed the ability of each bolt and anchor bolt failure occurred. Performance of the anchor bolts pigtail can be used on a structure or a higher load at an embedment of 260mm. Embedment of 200mm and 230mm can be used on a lighter load if steel material saving is a priority in every usage.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TH Building construction > TH845-895 Architectural engineering. Structural engineering of buildings
Divisions: Faculty of Engineering Technology > Department of Civil Engineering Technology
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 29 Aug 2019 03:47
Last Modified: 29 Aug 2019 03:47
URI: http://eprints.uthm.edu.my/id/eprint/11523
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