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Farlin Rosyad
Universitas Bina Darma
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering

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ANALISIS PEMANFAATAN LIMBAH BATU BARA BOTTOM ASH TERHADAP STABILITAS DAN KEPADATAN ASPAL BETON AC-WC Farlin Rosyad; Mega Putri Pertiwi
Rang Teknik Journal Vol 7, No 1 (2024): Vol. 7 No. 1 Januari 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/rtj.v7i1.4752

Abstract

Roads are the most important infrastructure in the land transportation system in Indonesia. Guaranteeing a good pavement structure will ensure the continuity of a good transportation system as well. In Indonesia, there is a lot of waste from factories that has not been utilized optimally. The large amount of waste will cause problems in its disposal because apart from the large costs that must be incurred in building disposal facilities, this waste can also pollute the environment. Coal ash becomes waste, so using it as a filler in the AC-WC mixture is one solution to reduce the amount of coal waste itself. In this research, coal waste in the form of bottom ash will be used which will be used as a filler for the stability and density of asphalt concrete (AC-WC). The objectives of this research are as follows: To determine the effect of the bottom ash mixture as a filler on the characteristics of the resulting asphalt concrete marshall. And knowing how much optimization the use of Coal Waste has on the stability of the AC-WC Asphalt Concrete mixture. Based on the results and discussion in the previous chapter, it can be concluded that the effect of bottom ash coal ash substitution on the stability and density values of AC-WC asphalt concrete can be concluded as follows:Based on the results of testing the marshal parameters in terms of the substitution of bottom ash coal ash, it can be concluded that the influence of the stability value on the optimum bottom ash coal ash is at a percentage of 4% in zone 0 with a value of 1,499kg and meets the 2018 Bina Marga specifications Revision 2. Then , the influence of the optimum density value (Bulk Density Standard) is located in zone 2 at a percentage of 4% with a value of 2,352kg. and Based on the results of Marshall parameter testing in terms of variations in bottom ash coal ash substitution, it can be concluded that the use of a mixture of bottom ash coal ash content for asphalt stability and density (AC-WC) lies in a mixture of 4%. 
ANALISIS PENGARUH SUBSTITUSI BAN BEKAS TERHADAP DURABILITAS DAN FLEXSIBILITAS ASPAL AC-WC Farlin Rosyad; Redho Muhammad Sakti; Irham Irham; Wahyuni Wahab
Rang Teknik Journal Vol 7, No 2 (2024): Vol. 7 No. 2 Juni 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/rtj.v7i2.4746

Abstract

The increase in tyre production has led to an increase in tyre rubber waste, which is harmful to the environment. The use of rubber tyres as a substitute additive material in concrete or laston (AC-WC) is one way out to reduce unused rubber tyre waste. The purpose of this research is to determine the effect of the use of used rubber tyres on the Durability and Flexibility values of the laston layer mixture (AC-WC) and to determine the optimum mixture component value for Durability and Flexibility in the laston layer mixture (AC-WC). This research uses experimental methods, namely, quantitative research methods. In this study, researchers used a percentage of used tyre mixture of 1%, 2%, 3% and 4% of the weight of the test specimen and 0% as a normal mixture. The results of this study indicate that the flow value in the standard marshall percentage of used tyre rubber 1% and 2% meets the 2018 revised Bina Marga Specification 2 between 2-4 mm. While the percentage of used tyre rubber 3% and 4% does not meet the 2018 revised Bina Marga Specification 2 between 2-4 mm. Because the greater the percentage of used tyre rubber, the greater the flow value obtained. In Marshall Stability, it can be concluded that the remaining Marshall Stability value of the normal AC-WC asphalt mixture is 90.67%, this value meets the Bina Marga 2018 Revision 2 Specifications with standard Specifications 90%.  Keywords: laston layer mix (AC-WC), durability, flexibility, waste rubber tire, marshall
ANALISIS PENGUJIAN PENAMBAHAN BAJA RINGAN UNTUK MENINGKATKAN KUAT LENTUR BETON Farlin Rosyad; Ario Tri Winanda
Rang Teknik Journal Vol 7, No 2 (2024): Vol. 7 No. 2 Juni 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/rtj.v7i2.5473

Abstract

This research aims to determine the results of the effect of adding pieces of tire rubber on the flexural strength of concrete. This research was conducted at the Civil Engineering Laboratory, Campus C, Bina Darma University. The object used in this research is the effect of adding light steel pieces on the flexural strength of concrete with percentages of 5%, 10% and 15%. The results of research and analysis regarding the influence of adding light steel pieces on the flexural strength of concrete in the form of small pieces measuring 2 cm long and2 mm wide have a very positive impact on the flexural strength value, this is in line with the increase in the flexural strength value for each percentage of the object. tests such as normal concrete have an average flexural strength value of 3.25 Mpa, the 5% percentage has an average flexural strength value of 6.41 Mpa,the 10% percentage has an average flexural strength value of 7.40 Mpa, and15%has an average flexural strength value of 5.59 Mpa, meaning there is an increase in the normal concrete flexural strength value of 3.25 Mpa. So these pieces of tire rubber have a positive effect and are suitable as an alternative addition to modified concrete mixes, and are suitable for use in structural concrete beams in residential buildings, house foundations and bridges.
ANALISIS PENGARUH KEHALUSAN ABU TERBANG (ABU SEKAM PADI) TERHADAP FLEKSIBELITAS DAN DURABILITAS AC-WC NR Farlin Rosyad; Agung Rahmatullah
Rang Teknik Journal Vol 7, No 1 (2024): Vol. 7 No. 1 Januari 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/rtj.v7i1.4725

Abstract

Roads are an important and main foundation in moving the wheels of the public and territorial economy, considering their significant and main ability to support the appropriation of labor and products as well as the versatility of the population. Roads enable everyone to get services such as education, health care and employment. Asphalt What was used in this research was SIR 20 rubber asphalt (Standard Indonesian Rubber) which came from PT MBS (Modified Bitumen Sumatra). This research was carried out with the aim of finding out how much influence the fineness of rice husk ash as a fine material substitute has on the AC-WCNR coated asphalt concrete mixture in terms of durability and flexibility. And to find out what the optimum mixture value of rice husk ash is as a substitute for fine material in the AC-WCnr asphalt mixture. The percentage of Au content of rice husk used in research II is 3 variations 4%, 6%, 8%, and to use 4 zones, zone 0, zone 1, zone 2, zone 3 as a substitute for fine material mixed with AC-WC NR and test specimens normal without a mixture of rice husk ash. This research tested using the Marshall test method by reviewing the effect of rice husk ash on flexibility and durability. Based on the Marshall parameter test results in terms of zone variations and the percentage of substitution content for rice husk ash, the flow value can be concluded that the optimum value for using rice husk ash content in zone 2 is 4% variation, namely 3.74mm, and in zone 2, 8% variation has decreased by 3.50 mmm. The durability value of the mixture is seen from variations in the substitution level of rice husk ash, namely that the optimum variation in substitution for rice husk ash occurs in the 4% zone 2 variation, namely 96%.Keywords: Rice Husk Ash, Rubber Asphalt, AC-WC NR, Durability and Flexibility
Co-Authors Agung Rahmatullah Ario Tri Winanda Aryo Setyaki Syahputra Dedek Adriyansah Donni Kristyanto Farolan Suganda Febriansyah Febriansyah Heru Heru Heru Pranata Irham Irham Irwansyah Irwansyah Mega Putri Pertiwi Redho Muhammad Sakti Robbani Rahman Sinta Bela Sapitri Wahyuni Wahab Wanda Yudha Prawira