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Madi Hermadi
Institut Teknologi Garut
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Languange, Linguistic, Communication & Media Social Sciences Other

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Preferensi Penyedia Jasa Terhadap Penerapan Kebijakan Penggunaan Aspal Plastik Sebagai Bahan Konstruksi Jalan Didan Saeful Rohman El Karim; Herman Herman; Ida Farida; Adhitya Surya Pratama; Madi Hermadi
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1551

Abstract

The amount of waste thrown away by the community in Garut Regency reaches thousands of tons per day, on the other hand, the capacity at the Pasir Bajing landfill is very limited. Various types of waste, including plastic waste, can be utilized and processed so that they have useful value. The Regional Government of Garut Regency has innovated by using waste in the form of plastic as aggregate mixed with asphalt called plastic asphalt as a flexible road construction material. This is an effort to increase the efficiency and effectiveness of the use of road construction in the Garut Regency area. The aim of this research is to determine and analyze the preferences of service providers, both contractors and supervisory consultants, regarding the implementation of the policy of using plastic asphalt as a road construction material in Garut Regency. The research method uses quantitative descriptive methods. The sample consisted of 100 people consisting of contractors and supervisory consultants involved in the implementation of plastic asphalt in Garut Regency. The results of the analysis of product quality, satisfaction with use, and implementation of policies on the use of plastic asphalt are good and need to be maintained.
Kuat Tekan dan Kuat Tarik Belah Beton SCC dengan Campuran Kawat Baja Madi Hermadi; Athaya Zhafirah; Chairul Insan
Jurnal Konstruksi Vol 22 No 2 (2024): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.22-2.1571

Abstract

Experimental innovations on concrete have been carried out by researchers, both chemical and physical, with the aim of improving the quality of concrete. One of the additional material options used that is physical is steel wire. The aim of adding steel wire is to optimize the quality of the concrete, both tensile and compressive strength. The method used in the following research is experimental by adding steel wire to the SCC concrete mixture with variations of 4%, 6% and 8%. As for the addition of chemical substances, the superplasticizer admixture aims to make it easier for SCC concrete to reach slump values. Based on the results of the split tensile and compressive strength tests of concrete after 28 days of age, it was found that the maximum compression test score was SCC concrete with a mixture of 8% steel wire with a compressive strength value of 20.36 MPa. Meanwhile, the maximum split tensile strength test results for SCC concrete were in concrete mixed with 8% steel wire with a split tensile strength value of 3.36 MPa.
Sifat Fisis Tanah Lempung dengan Penambahan Limbah Serbuk Kulit Kopi Athaya Zhafirah; Hikmatul Fadilah; Madi Hermadi; Rudy Febrijanto
Jurnal Konstruksi Vol 23 No 1 (2025): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.23-1.1932

Abstract

Coffee skin waste is waste obtained from the coffee fruit management process. Piling up coffee skin waste can pollute the environment, but it contains cellulose that can absorb water. This research aims to analyze the effect of the addition of coffee skin powder waste on the physical properties of clay soil in order to improve its quality as a construction and geotechnical material. The research method used experimental tests on the physical properties of clay soil, including moisture content, sieve analysis, content weight, specific gravity, and Atterberg limits. The variation of the addition of coffee skin powder waste was 0%, 10%, 20%, 30%, 40%, and 50% of the soil weight. The results showed that the addition of coffee husk waste caused a decrease in moisture content from 64% to 44.89%, content weight from 1.185 grams/cm3 to 0.677 grams/cm3, and soil specific gravity from 2.6 to 2.28. The plasticity index value also decreased from 26.68 to 18.15, indicating an improvement in soil characteristics. In addition, the proportion of fine grains decreased, while coarse grains increased based on sieve analysis. These results are useful in the geotechnical field to improve soil stability and reduce its plasticity, and in the construction field to improve the bearing capacity of subgrade soils, so they have the potential to be applied in various civil and environmental engineering projects.
Pengabdian Kepada Masyarakat Dalam Peningkatan Infrastruktur Jalan Desa Pakuwon Madi Hermadi; Muhammad Rizal Fahlevi Sonaris; Alefti Rico Januarsa; Muhamad Fathan Fadillah; Regi Al Fatah; Hopipah; Athaya Zhafirah; Silvia Nur Hakim; Rafi Algifari; Ilham Nurdiansah; Siti Rahmawati; Wanda Laela Zahra; Saepul Sa Ban; Ramdhani Sulaeman Burhanudin; Mohamad Kayla Putra Anasa; Muhamad Yakfi Asiddiki; Miftahul Taopik; Ai Sena Marlina
Jurnal PkM MIFTEK Vol 7 No 1 (2026): Jurnal PkM Miftek
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/miftek/v.7-1.3274

Abstract

Village roads are an important infrastructure that supports the social, economic, and educational activities of the community. Some sections of the roads in Pakuwon Village, Cisurupan District, Garut Regency, have been damaged by potholes and uneven surfaces, hindering the mobility of residents and potentially reducing the safety of road users. This community service activity aims to improve the quality of village road infrastructure through community-based road repairs. The implementation method uses a participatory approach in the Real Work Lecture program by involving students, village governments, and local communities in the planning, implementation, and evaluation stages of the activity. Repairs were carried out on a 400-meter section of road through road patching activities using materials that were available independently and support from partners. The results of the activity showed an improvement in the physical condition of the road, which was now smoother, safer, and more comfortable to travel on. In addition to the physical impact, this activity also encouraged increased community participation and awareness of village infrastructure maintenance. For students, this activity provided direct learning experiences in the application of knowledge and strengthened their role as agents of change in the community. Thus, this community service activity provided dual benefits, both for the village community and for the development of student competencies.
Optimalisasi Penggunaan Alat Berat dalam Pekerjaan Timbunan Jalan Tol Patimban Paket 02 Athaya Zhafirah; Algi Muhaemin; Rudy Febrijanto; Madi Hermadi
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.2984

Abstract

The Patimban Toll Road Project Package 02 at STA 21+800–23+600 is part of a National Strategic Project (PSN) that requires high efficiency, particularly in large-volume embankment works. This study aims to analyze the productivity of heavy equipment used in embankment operations in order to determine an optimal equipment utilization plan in terms of time and cost. The scientific contribution of this research lies in the development of an approach for planning the number of equipment units based on actual field productivity combined with operational cost analysis, which can serve as a reference for heavy equipment management in large-scale infrastructure projects. The results show that a combination of 6 units of Komatsu PC200 excavators, 38 units of Isuzu dump trucks, 6 units of Zomlion ZD170G bulldozers, 5 units of sheep foot rollers, and 5 units of vibratory rollers is capable of completing an embankment volume of 372,714 m³ within 90 working days, with a total rental cost of IDR 191,644,520 per day.
Co-Authors Adhitya Surya Pratama Ai Sena Marlina Alefti Rico Januarsa Algi Muhaemin Chairul Insan Didan Saeful Rohman El Karim Herman Herman Hikmatul Fadilah Hopipah Ida Farida Ilham Nurdiansah Miftahul Taopik Mohamad Kayla Putra Anasa Muhamad Fathan Fadillah Muhamad Yakfi Asiddiki Muhammad Rizal Fahlevi Sonaris Rafi Algifari Ramdhani Sulaeman Burhanudin Regi Al Fatah Rudy Febrijanto Saepul Sa Ban Silvia Nur Hakim Siti Rahmawati Wanda Laela Zahra