Asy'ari, Yudhistira Habibillah (2023) Perbandingan Perilaku Tegangan Regangan Beton Agregat Ringan ALWA Untuk Beton Mutu Rendah dan Tinggi yang Diperkuat dengan Fiber Reinforced Polymer (CFRP dan GFRP). Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Penggunaan agregat ringan menghasilkan beton dengan berat lebih ringan dibandingkan beton normal. Salah satu agregat ringan buatan yang dapat digunakan sebagai pengganti agregat kasar alami adalah ALWA Cilacap. Beton ringan memiliki kekurangan yaitu pada kekuatan dan daktilitasnya yang lebih rendah dibandingkan dengan beton normal. Penggunaan Fiber Reinforced Polymer (FRP) dapat menjadi alternatif perkuatan untuk beton ringan yang sudah terbukti mampu memperbaiki atau meningkatkan kekuatan dan daktilitas beton. Penelitian ini berfokus pada perilaku tegangan regangan pada benda uji. Benda uji berupa beton yang dibuat menggunakan agregat ringan buatan (ALWA), berbentuk segi empat dan diperkuat dengan FRP. Penampang benda uji yang dibuat berbentuk segi empat dengan lengkungan pada ujung – ujungnya, yang panjang dan lebar penampangnya masing-masing 150 mm dengan radius corner 25 mm serta tinggi benda uji adalah 300 mm. Total benda uji yang dibuat sebanyak 16 buah dengan variasi mutu, jenis FRP, dan jumlah lapis. Pengetesan benda uji dilakukan menggunakan mesin kuat tekan berkapasitas 2000 kN. Untuk memperoleh kurva tegangan dan regangan, benda uji dipasang Linear Variable Differential Transformer (LVDT) dan strain gauges. Pengetesan dilakukan menggunakan Universal Testing Machine (UTM) dengan rate beban sebesar 3 mm/menit. Rate beban diberikan dari dimulainya pengetesan benda uji hingga benda uji tersebut hancur. Hasil penelitian menunjukan adanya peningkatan nilai kuat tekan pada benda uji beton yang diperkuat dengan FRP. Sementara itu, grafik tegangan regangan yang didapat menunjukkan bahwa tegangan regangan beton ringan ALWA yang diperkuat CFRP menghasilkan tegangan puncak lebih tinggi daripada yang diperkuat GFRP. Beton ringan ALWA dengan CFRP karakteristiknya lebih kaku dan getas dibandingkan dengan yang diperkuat GFRP.
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The use of lightweight aggregates produces concrete with a lighter weight than normal concrete. One of the artificial lightweight aggregates that can be used as a substitute for natural coarse aggregate is ALWA Cilacap. Lightweight concrete has the disadvantage of lower strength and ductility compared to normal concrete. The use of Fiber Reinforced Polymer (FRP) can be an alternative reinforcement for lightweight concrete which has been proven to be able to improve or increase the strength and ductility of concrete. This research focuses on the stressstrain behavior of the test specimens. The specimen is concrete made using artificial light aggregate (ALWA), rectangular in shape and reinforced with FRP. The cross-section of the specimen was made rectangular in shape with curvature at the ends, the length and width of the cross-section were respectively 150 mm with a corner radius of 25 mm and the height of the specimen was 300 mm. A total of 16 specimens were made with variations in quality, type of FRP, and number of FRP layers. The testing of the specimen is conducted using a compression testing machine with a capacity of 2000 kN. To obtain the stress-strain curves, Linear Variable Differential Transformers (LVDT) and strain gauges are attached to the specimens. Testing was carried out using a Universal Testing Machine (UTM) with a load rate of 3 mm/minute. The load rate is given from the start of testing the test object until the test object is destroyed. The research results showed that there was an increase in the compressive strength of the concrete specimens reinforced with FRP. Meanwhile, the stress-strain graph obtained shows that the lightweight concrete ALWA reinforced with CFRP (Carbon Fiber Reinforced Polymer) generates higher peak stress compared to those reinforced with GFRP (Glass Fiber Reinforced Polymer). ALWA lightweight concrete reinforced with CFRP exhibits stiffer and more brittle characteristics compared to those reinforced with GFRP.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Beton Ringan, Agregat Ringan Buatan (ALWA), Fiber Reinforced Polymer (FRP), Linear Variable Differential Transformer (LVDT), Strain Gauges (SG), Tegangan, Regangan; Lightweight Concrete, Artificial Lightweight Aggregate (ALWA), Fiber Reinforced Polymer (FRP), Linear Variable Differential Transformer (LVDT), Strain Gauges (SG), Stress, Strain. |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA439 Lightweight concrete. High strength concrete. |
| Divisions: | Faculty of Vocational > Civil Infrastructure Engineering (D4) |
| Depositing User: | Yudhistira Habibillah Asy'ari |
| Date Deposited: | 27 Sep 2023 00:52 |
| Last Modified: | 27 Sep 2023 00:52 |
| URI: | http://repository.its.ac.id/id/eprint/103109 |
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