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All Journal Potensi : Jurnal Sipil Politeknik Journal of Applied Civil Engineering and Infrastructure Technology (JACEIT) Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Jurnal Riset Teknik Sipil dan Sains Kapuas Jurnal Teknik Sipil
Rifqi, Mirza Ghulam
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Journal : Journal of Applied Civil Engineering and Infrastructure Technology (JACEIT)

 1 
Pengaruh Penambahan Plastik LDPE Pada Campuran Aspal Beton Lapis AC-BC Hidayati, Hilda Nur; Rifqi, Mirza Ghulam; Amin, M. Shofi’ul
Journal of Applied Civil Engineering and Infrastructure Technology Vol 2 No 2 (2021): Desember 2021
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v2i2.63

Abstract

Increased traffic volume growth has an impact on demand for the construction of pavement structures and the use of materials used. Therefore, we need a material that can help coat aggregate materials other than asphalt in order to reduce these effects, for example polymer or plastic materials. One effort that can be done is to modify the effect of adding Low Density Poly Ethylene (LDPE) plastic as an additive in AC-BC (Asphalt Concrete-Binder Course) asphalt mixture. The purpose of this study was to determine how the effect of the addition of Low Density Poly Ethylene (LDPE) type plastics as an added ingredient of AC-BC hot asphalt mixture on Marshall characteristics. Tests conducted include aggregate testing, asphalt testing, plastic testing, and Marshall testing. The design of the mixture is done by dry (dry process) using a variation of plastic content of 0%, 2%, 3%, and 4% with each bitumen content of 4.5%, 5%, 5.5%, 6.0 % and 6.5%, the number of test specimens made is 75 test specimens. From the Marshall test results obtained KAO value of 6.5% with a variation in LDPE plastic content of 3%. With a stability value of 1878.40 kg, a flow value of 3.81 mm, an MQ value of 472.5 kg / mm, a VFB / VFA value of 72.55%, a VIM value of 4.29%, and a VMA value of 17.74%.
Pengaruh Penambahan Plastik Tipe PET (Polyethylene Terepthalete) Terhadap Campuran Laston AC-WC Rahayu, Putri; Rifqi, Mirza Ghulam; Amin, M. Shofi’ul
Journal of Applied Civil Engineering and Infrastructure Technology Vol 2 No 1 (2021): Agustus 2021
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v2i1.66

Abstract

To find a solution the road problem in Indonesia, it requires to perform a modified mixture to obtain good quality of asphalt concrete pavement with addition the new material. The new material as an additive to increase the quality of pavement is a Polyethylene Terepthalete (PET). This Research uses some variation as: 4%, 4,5%, and 5% of PET from weight of asphalt concrete. The purpose of this research is to identify the impact of PET as an additive in asphalt concrete wearing course (AC-WC). The metodh used in this study is a dry process from some references (such as: design and implementation of asphalt pavement used plastic waste, 2019). The result of marshall test found that the optimum performance and stability for 5% PET with 6.5% variances value of asphalt bitumen. Stability of five variation averange is 2193.3 kg; Flow is 3.90 mm; Void in Mix (VIM) is 3.7%; void mix in aggregate (VMA) is 16,7%; Void filled Bitumen (VFA/VFB) is 77.9%, and Marshall Quotient is 562,4 kg/mm. By the references used in this research, these value have been suitable with the research result from those references. It can be concluded that the asphalt pavement with using an additive of PET gives better performances and stability than without PET.
Pengaruh Penambahan Limbah Plastik Low Density Polyethylene Terhadap Karakteristik Campuran Laston AC-WC Erni, Dwi Susanti; Rifqi, Mirza Ghulam; Amin, M. Shofi'ul
Journal of Applied Civil Engineering and Infrastructure Technology Vol 2 No 2 (2021): Desember 2021
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v2i2.67

Abstract

The problem of plastic waste is now one of the world's concentrations. Efforts to reduce and prevent many have been done, but in general the results obtained are not comparable with the growing use of plastics that continues to increase, especially plastics that are not managed properly. One of the efforts made is the utilization of plastic waste as added ingredients of Laston AC-WC hot asphalt mixture called modification. The purpose of this study was to determine how the effect of adding Low Density Polyethylene (LDPE) plastic waste to the characteristics of Marshall Laston AC-WC. Tests carried out include aggregate testing, asphalt testing, and plastic testing, and Marshall testing. The design of the mixture is done by dry (dry process) using a variation of plastic content of 0%, 4.5%, 5%, and 5.5%, each of which uses 5 levels of asphalt which is 5%, 5.5%, 6% , 6.5%, and 7% with 3 specimens each, so that there are a total of 75 specimens. Marshall test results obtained KAO of 6.5% with a variation of plastic content of 5.5%, obtained stability of 2167.40 kg, Flow 3.8 mm, VIM 3.94%, VMA 15.95%, VFA / VFB 77, 12%, and MQ 570.37 kg / mm. So that the addition of LDPE type plastic waste meets (General Specifications of Bina Marga, 2018).
Pengaruh Pemanfaatan Plastik Polyethylene Terephalate Pada Campuran Laston Lapis Pengikat Habibah, Ifani Mita'ul; Rifqi, Mirza Ghulam; Pranowo, Dadang Dwi
Journal of Applied Civil Engineering and Infrastructure Technology Vol 2 No 1 (2021): Agustus 2021
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v2i1.70

Abstract

Plastic Polyethylene Terephthalate (PET) waste can be utilized as an added ingredient in a mixture of fastening concrete asphalt (Laston AC-BC). The purpose of this research is to know the influence of the utilization of PET plastics (Polyethylene Terephthalate) on the layer of concrete asphalt binder (Laston AC-BC) using the Marshall method by referring to the design guidelines and implementation of the heat-paved mixture using plastic waste 2019 and the general specification of Highways 2018. This research is done with the addition of PET worms on the asphalt mixture using a dry process. PET levels added in the asphalt mixture are 4%, 4.5%, and 5% of the weight of the asphalt. After the Marshall testing, the results of PET additions to the Laston AC-BC mixture can improve stability. The highest stability value is the addition of PET 5%. The stability value due to PET addition is greater than without the addition of PET. The best PET replenishment rate for asphalt mixture is 5% because, in addition to high stability value, other Marshall parameters such as Flow, VIM, VMA, VFB, and MQ also qualify for the design guidelines and implementation of the hot paved mixture using plastic waste 2019. Value of Optimum asphalt content (KAO) obtained at a 6% asphalt rate with the addition of PET 5%.
Pengaruh Variasi Temperatur Air 7°C, 17°C, dan 27°C Pada Campuran Beton Terhadap Nilai Kuat Tekan Beton Struktural Indriyani, Niken; Rifqi, Mirza Ghulam; Khomari, M. Galuh
Journal of Applied Civil Engineering and Infrastructure Technology Vol 2 No 1 (2021): Agustus 2021
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v2i1.77

Abstract

This study discusses the effect of water temperature variations of 7°C, 17°C, and 27°C on concrete mixes on compressive strength values ​​of structural concrete. Concrete is a material that is often used in civil engineering construction. The use of concrete in large volumes causes the heat temperature of the hydration reaction to increase. It is necessary to monitor the temperature of the water in the concrete mixture to reduce the excess heat due to the hydration reaction. Water temperature is adjusted according to the planned temperature of 7°C, 17°C, and 27°C to determine the effect on the compressive strength and workability values. Concrete compressive strength testing is carried out at 3, 7, 14, and 28 days. The number of specimens needed was 36 cylindrical samples with a diameter of 15 cm and a height of 30 cm. The results of slump testing at 7°C, 17°C, and 27°C respectively 3 cm, 5 cm and 10 cm. And for testing the compressive strength of concrete obtained data respectively 30.06 MPa, 35.31 MPa and 45.09 MPa. Increased compressive strength of concrete in each variation of 0.2%, 17.7% and 24.3%.
Perkuatan Tanah Gambut Ambarawa dengan Cerucuk Menggunakan Pemodelan Finite Element Method Milala, Chyntia Helmalia Br S.; Sandi, Dora Melati Nurita; Rifqi, Mirza Ghulam
Journal of Applied Civil Engineering and Infrastructure Technology Vol 7 No 2 (2026): Desember 2026 (Articles in Press)
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v7i2.973

Abstract

Peat soils, which are mainly composed of semi-decayed plant remains, usually have high compressibility and low bearing capacity. The high compressibility and low bearing capacity mean that peat soil must be improved if construction is to be built on it. Research was conducted to find a method for soil improvement. Improvements were made by reinforcing the peat with bamboo stakes using the finite element method modeling. In the results of modeling and calculations using software based on the finite element method, the Ambarawa peat soil, before reinforcement with a bamboo stakes at a 5-day time interval, obtained a total deformation value of 7.18 m. After a 5-day interval, the soil collapsed due to its low bearing capacity, preventing further calculations and leaving the safety number unknown. In the Ambarawa peat soil after reinforcement with a bamboo stakes planned 8 m long bamboo stakes and a distance of 1 m between bamboo stakes based on calculations using finite element method modeling at a time interval of 5 days, the total deformation value was obtained at 3.98 m, a time interval of 10 days at 4.46 m, a time interval of 15 days at 4.46 m. Based on the known deformation value, the maximum safety value of this modeling was obtained at a time interval of 30 days, with a value of 1.173.
Perbandingan Kemampuan Menahan Beban Aksial Kolom Pendek Berlubang Dengan Variasi Jarak Sengkang Pratama, Muhamad Iqbal Dafa; Khomari, Mohamad Galuh Khomari; Wiryasuta, I Ketut Hendra; Amin, M. Shofi'ul; Rifqi, Mirza Ghulam
Journal of Applied Civil Engineering and Infrastructure Technology Vol 7 No 2 (2026): Desember 2026 (Articles in Press)
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v7i2.1271

Abstract

This study investigates the effect of stirrup spacing variation on the axial load capacity of short reinforced concrete columns with openings. The research focuses on square cross-section short columns measuring 12 cm × 12 cm × 45 cm, incorporating a pipe opening that reduces the cross-sectional area by 5.58%. The objective is to determine whether varying the stirrup spacing can enhance the axial compressive strength of perforated columns, which typically experience strength reduction due to the decreased cross-sectional area. The study was conducted experimentally in a laboratory using 20 MPa concrete, with longitudinal reinforcement of ø10 mm and stirrups of ø6 mm. Two types of columns were tested: solid columns (with 19 cm stirrup spacing) and perforated columns (with 8 cm stirrup spacing). Test results indicate that reducing stirrup spacing in perforated columns was not sufficiently effective to equal or surpass the axial strength of solid columns. The solid columns had an average axial compressive strength of 296.71 kN, while the perforated columns with 8 cm stirrup spacing showed a slightly lower strength of 288.92 kN, representing a decrease of 2.62%.
Perbandingan Kemampuan Menahan Beban Aksial Kolom Pendek Berlubang Dengan Variasi Diameter Tulangan Utama Pangestu, Handi Abdul Halim; Khomari, Mohamad Galuh; Wiryasuta, I Ketut Hendra; Rifqi, Mirza Ghulam
Journal of Applied Civil Engineering and Infrastructure Technology Vol 7 No 2 (2026): Desember 2026 (Articles in Press)
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v7i2.1274

Abstract

Tuntutan estetika dari sisi arsitektural dalam sebuah bangunan sering dijadikan sebagai alasan utama pemasangan pipa-pipa drainase ataupun instalasi mekanikal elektrikal di dalam kolom. Penambahan lubang tersebut mengakibatkan terjadi pengurangan luas penampang kolom yang akan mempengaruhi kekuatan tekan kolom. Dalam peraturan SNI 2847-2013 pasal 6.3.4 sudah di jelaskan penempatan saluran atau pipa di dalam kolom diperbolehkan dengan syarat tidak boleh melebihi 4% dari luas penampang kolom, namun dalam praktik di lapangan sering melebihi batas tersebut. Penelitian ini bertujuan untuk mengetahui perbandingan kemampuan kuat tekan kolom normal dengan kolom berlubang dalam memikul beban tekan dengan mutu yang sama dan dimensi yang sama. Metode yang digunakan untuk menentukan kuat tekan beton dilakukan perencanaan, pembuatan, dan pengujian kuat tekan pada kolom normal dan kolom berlubang variasi diameter tulangan utama dengan diameter pipa PVC 5,58% dari luas penampang kolom. Pengujian dilakukan setelah beton berumur 28 hari. Berdasarkan hasil penelitian, diperoleh bahwa kolom beton berlubang dengan variasi diameter tulangan utama memiliki kuat tekan rata-rata sebesar 311,610 kN, lebih besar 4,98% dibandingkan kolom beton normal yang memiliki kuat tekan rata-rata sebesar 296,713 kN. Hasil penelitian ini merekomendasikan penggunaan kolom berlubang dengan variasi diameter tulangan utama sebagai alternatif pada kolom yang membutuhkan ruang instalasi pipa, tanpa menurunkan kekuatan tekan secara signifikan. Hasil ini dapat dimanfaatkan oleh industri konstruksi untuk meningkatkan efisiensi ruang dan material pada struktur bangunan.
Co-Authors Aftoni, Mohammad Amin, M Shofi'ul Amin, M. Shofi'ul Amin, M. Shofi’ul Anisa, Nindi Astari, Dea Fitria Bachtiar, Riza Rahimi Dewi, Frida Mustika Dora Melati Nurita Sandi ERNA SURYANI Erni, Dwi Susanti Eva Olivia Hutasoit Habibah, Ifani Mita'ul Hidayati, Hilda Nur Hilmy, Muhammad I Ketut Hendra Wiryasuta Indriyani, Niken Irawan, Dicky Okky Khasan Fathoni Khomari, M. Galuh Khomari, Mohamad Galuh Khomari, Mohamad Galuh Khomari Lesmana, Yuris Indra Lomancoko, Abdul Rahman Dani M. Shofi’ul Amin Milala, Chyntia Helmalia Br S. Mohammad Rizky Fadillah Bagus Pratama Putra Murdani, Riko Pangestu, Handi Abdul Halim Pranowo, Dadang Dwi Pratama, Muhamad Iqbal Dafa Rahayu, Putri Safitri, Fikca Ayuk Solikin, Toha Fikri Rafsanjani Yuni Ulfiyati