Utami, Annisa Fitria (2018) Pengaruh Variasi Pilin Serat Kaleng Kemasan Minuman terhadap Kuat Tekan Kuat Tarik Belah dan Modulus Elastisitas Beton Ringan. Sarjana thesis, Universitas Brawijaya.
Abstract
Beton merupakan material yang sering digunakan dalam dunia teknik sipil. Dalam perencanaannya, beton memiliki kelebihan dalam memikul beban tekan. Namun salah satu kelemahannya yaitu beton sangat lemah dalam menerima gaya tarik. Untuk mengatasi kelemahan beton tersebut, biasanya diatasi dengan memasang tulangan baja yang bertujuan untuk menahan gaya tarik. Semakin berkembangnya zaman, berbagai penelitian dilakukan untuk mengatasi kelemahan beton tersebut. Salah satunya dengan penambahan serat (fiber) olahan kaleng kemasan bekas minuman pada adukan beton. Pada penelitian ini, penulis ingin mengetahui pengaruh bentuk serat (fiber) yang dipilin 1 kali (tipe A) dan dipilin 1.5 kali (tipe B) terhadap kuat tekan, kuat tarik belah dan modulus elastisitas. Namun, penambahan serat (fiber) akan menambah berat isi pbeton, maka pada penelitian ini agregat kasar akan dicampur dengan batu apung (pumice) sebanyak 25% dari volume agregat kasar. Dan menggunakan FAS 0.6-0.65. Variasi yang digunakan yaitu serat (fiber) pilin tipe A, tipe B dan tanpa pilin masing-masing sebanyak 10% volume beton silinder berdimensi 15x30 cm. serta. Pengujian yang dilakukan adalah uji kuat tarik belah dan kuat tekan menggunakan compression machine, dan uji modulus elastisitas menggunakan extensometer. Pengujian dilakukan pada beton berumur 28 hari. Hasil pengujian uji kuat tekan didapatkan bahwa yang memiliki kuat tekan maksimum adalah beton pumice dengan fiber pilin tipe B dengan nilai sebesar 12.668 MPa (meningkat terhadap beton pumice tanpa fiber, dengan fiber tanpa pilin dan tipe A masing-masing sebesar 9.48%,4.49% dan 0.27%). Hasil pengujian kuat tarik belah menunjukkan bahwa nilai kuat tarik maksimum diperoleh pada variasi pilin tipe B dengan nilai sebesar 1.617 MPa (meningkat terhadap beton pumice tanpa fiber, dengan fiber tanpa pilin dan tipe A masing-masing sebesar 14.76%, 37.73% dan 16.08%). Begitu pula dengan hasil uji modulus elastisitas dengan metode Eurocode 2 dan ASTMC469 yang menunjukkan bahwa nilai modulus elastisitas dengan maksimum diperoleh pada variasi fiber pilin tipe B (meningkat terhadap beton tanpa fiber, dengan fiber tanpa pilin dan tipe A masing-masing sebesar 87.66%, 31.37% dan 0.58%). Hasil tersebut tidak hanya dipengaruhi oleh penambahan fiber namun, dipengaruhi oleh nilai FAS yang berbeda.
English Abstract
Concrete is the most used construction material in civil engineering. It has superiority in compression strength. However, one of its drawbacks as a structural material is they possess a very low tensile strength. To overcome its weakness, we usually installing steel reinforcement to endure tensile strength. As advances in technology enhance, a considerable amount of research has been directed towards concrete tensile strength weakness. One of them is to adding fiber made from canned drink waste in concrete mix. Hence an attempt has been made in the present investigation to study the influence of addition of canned drink waste material as fibers at two different form, which is fibers that twisted 1 time (type A) and twisted 1.5 times (type B) towards compression strength, tensile strength and modulus of elasticity in concrete. However, adding fibers will increase the weight of the concrete, then in this experimental investigation we mix the coarse aggregate with pumice at a dosage of 25% by volume of coarse aggregate. And using cement water factor 0.6-0.65. Variation in this experimental were fibers type A, type B and without twisting at 10% by volume of cylinder concrete with dimension 15x30 cm. Test were performed on 28-day-old concrete with compressive strength and tensile strength testing using compression machine, while modulus elasticity test using extensometer. Compressive strength test result show that the maximum strength is obtained by type B fibers concrete with a value 12.668 MPa (increased by 9.48%, 4.49% and 0.27% from concrete without fibers, with fibers without twisting and type A fibers). The result of tensile strength test shows that the maximum strength is obtained by type B fiber concrete with a value 1.617 MPa (increased by 14.76%, 37.73% and 16.08% from concrete without fibers, with fibers without twisting and type A fibers). Likewise, the result of modulus elasticity test with Eurocode 2 and ASTMC469 method shows that the maximum strength is obtained by type B fibers concrete (increased 87.66%, 31.37% and 0.58% from concrete without fibers, with fibers without twisting and type A fibers). However, these results are not only influenced by the addition of fibers but also influenced by different cement water factors value.
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | SKR/FT/2018/598/051807188 |
| Uncontrolled Keywords: | serat kaleng, pilin serat kaleng, batu apung, kuat tarik, kuat tekan, modulus elastisitas. can fiber, twisted tin fiber, pumice, tensile strength, compressive strength, modulus of elasticity |
| Subjects: | 600 Technology (Applied sciences) > 624 Civil engineering > 624.1 Structural engineering and underground construction > 624.18 Materials > 624.183 Masonry, cermic, allied materials > 624.183 4 Concrete |
| Divisions: | Fakultas Teknik > Teknik Sipil |
| Depositing User: | Budi Wahyono Wahyono |
| Date Deposited: | 11 Feb 2019 02:42 |
| Last Modified: | 14 Feb 2022 03:42 |
| URI: | http://repository.ub.ac.id/id/eprint/162909 |
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Annisa Fitria Utami.pdf Download (4MB) | Preview |
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