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Agus Maryoto
Prodi Teknik Sipil Universitas Jenderal Soedirman
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Studi Komparasi Antara Angkur dari Baja dan Kayu Untuk Prategang Pada Beton Bertulangan Limbah Ban Agus Maryoto
Dinamika Rekayasa Vol 11, No 2 (2015): Jurnal Ilmiah Dinamika Rekayasa - Agustus 2015
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.dr.2015.11.2.76

Abstract

Salah satu cara pemusnahan limbah ban adalah penggunaan limbah ban di dalam beton. Penerapannya sebagai pentransfer gaya prategang pada balok beton menunjukkan bahwa ada peningkatan kapasitas lentur beton bila dibandingkan dengan beton tanpa tulangan limbah ban. Angkur yang digunakan berupa klem dari baja. Harga angkur besi ini masih mahal. Studi ini mencoba menggunakan angkur yang terbuat dari kayu sebagai pengganti angkur besi. Metode yang digunakan adalah memasang angkur kayu didalam beton. Hasilnya menunjukkan bahwa penggunaan angkur dari kayu pada beton mempunyai kapasitas lentur yang setara dengan angkur dari besi. Sehingga disimpulkan bahwa kayu layak digunakan sebagai angkur pada beton prategang bertulangan limbah ban. 
Pemanfaatan Pemotongan Ban Bekas Untuk Campuran Beton Serat Perkerasan Kaku Nastain Nastain; Agus Maryoto
Dinamika Rekayasa Vol 6, No 1 (2010): Dinamika Rekayasa - Februari 2010
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.dr.2010.6.1.29

Abstract

Basically, construction of road pavement has 2 (two) types, are rigid pavement and flexible pavement. Rigid pavement has many advantages: the design is simple, the maintenance is easy and it is suitable for heavy load traffic as well as for sub grade with low CBR value However, the main disadvantage of rigid pavement is its inflexibility because the flexural strength of concrete is low. To increase the flexibility of concrete, adding elastic material (waste tire) into concrete mixture is needed. This is very possible, because waste tire has high modulus of elasticity value and low density. This research is conducted to find the influence of waste tire fiber addition towards the increase of flexural strength and compressive strength of rigid pavement. This research uses tire shreds 4 mm x 4 mm x 60 in mm size which are mixed randomly into various concentrations. Concrete mechanic behaviors, flexural strength and compressive strength, are measured by testing cylinder and beam concrete specimens. The research results show that the addition of waste tire fiber can increase flexural strength of concrete up to 20.84% and compressive strength of concrete up to 4.73% higher than normal concrete when the waste tire fiber content is 0.75%.
PENGARUH PENGGUNAAN VISCOCRETE-10 DAN SERAT BAN BEKAS TERHADAP NILAI SLUMP DAN KUAT TEKAN BETON SERAT Agus Maryoto; Gandjar Pamudji
Dinamika Rekayasa Vol 3, No 2 (2007): Dinamika Rekayasa - Agustus 2007
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.dr.2007.3.2.107

Abstract

Decomposed of tire waste is too difficult. The tire waste has good resistance against sea water and acids attack in long time and cause not significantly damages. The tire waste as fiber has moderate tensile strength, so that can used on concrete structure very well. This research is conducted to find the influence of viscocrete-10 towards slump value and compressive strength of fiber concrete. The viscocrete-10 dosage is 1 liter per cubic meter of concrete. The waste tire fiber sizes are 1 mm x 1 mm cross section and 1 mm, 5 mm, 10 mm, 25 mm, 50 mm and 75 mm length. Concentration of the waste tire fiber is 2.5% by volume. The research results show that the using of viscocrete-10 can increase workability of fresh fiber concrete, waste tire fiber can increase flexural strength of concrete except fiber 75 mm length decrease slump value amount 4 cm. Normally fiber addition cause decrease workability of fresh concrete. Meanwhile, fiber 10 mm length cause concrete compressive strength decrease 19.77% and fiber 75 mm length decrease compressive strength of concrete up to 28.88% than normal concrete.
Co-Authors Gandjar Pamudji Nastain