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All Journal Jurnal Ilmiah Poli Rekayasa Jurnal Rekayasa Sipil dan Lingkungan Media Ilmiah Teknik Sipil Jurnal Ilmiah Rekayasa Sipil Journal of Civil Engineering and Planning (JCEP) JOELS: Journal of Election and Leadership Jurnal Pustaka Mitra : Pusat Akses Kajian Mengabdi Terhadap Masyarakat Proceeding International Applied Business and Engineering Conference JAPEPAM, Jurnal Pengabdian kepada Masyarakat
Oni Guspari
Jurusan Teknik Sipil Politeknik Negeri Padang
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Journal : Jurnal Ilmiah Rekayasa Sipil

 1 
Pemanfaatan Limbah Penambangan Bukit Kapur Untuk Stabilisasi Tanah Lempung ( Clay ) Enita Suardi; Zulfira Mirani; Silvianengsih Silvianengsih; Oni Guspari; Desmon Hamid
Jurnal Ilmiah Rekayasa Sipil Vol 18 No 2 (2021): Oktober 2021
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v18i2.675

Abstract

Soil stabilization by adding new materials is one of the alternatives to soil repair that can improve the properties of the soil, namely by mixing new materials and soil that is then compacted. Waste left over limestone hill mining,among others in the form of materials with various sizes of granules. This study aims to review the effect of the addition of limestone hill mining waste material on the density and value of the California Bearing Ratio (CBR) of clay soil. Tests conducted only on a laboratory scale with variations in the increase in limestone hill mining waste levels are 0%, 5%, 10%, and 15% to the total weight of the mixture. Laboratory CBR testing is performed under optimum water content conditions. The results showed that the stabilization of soft soils using limestone hill mining waste, can increase the density and value of soil CBR. The most optimal level of use of limestone hill mining waste and which provides the highest CBR value is for the addition of 5%of limestone hill mining waste with a CBR value of 26.5%.
Analisis Perbandingan Biaya Pekerjaan Bekisting Konvensional dan Bekisting Sistem Pada Bangunan Gedung Oni Guspari; Mafriyal Mafriyal; Rahmi Hidayati; Zulfira Mirani; Picko Wike Amelia
Jurnal Ilmiah Rekayasa Sipil Vol 19 No 1 (2022): April 2022
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v19i1.740

Abstract

Formwork is a temporary concrete mold that holds the concrete from fresh concrete until the concrete reaches sufficient strength. Besides the strength and easy to implementation, the cost of formwork is important thing to consider. In this study, the cost of column, beam and floor slab formwork will be analyzed by comparing the conventional formwork and system formwork on the 1st floor of the IAIN Bukittinggi Laboratory Development Project. This research begins by collecting the main data, namely shop drawings so that the volume and also cost of formwork can be calculated. For analysis conventional formwork using the unit price analysis based on the PUPR Ministerial Regulation 2018, but for price of materials and worker wages based on the Bukittinggi area in 2019. While for system formwork, the rental price based on formwork and scaffolding company, PT. Wijaksana Perkasa Beton. The result of this study indicated that for the 1st floor of the Laboratory Development Project of IAIN Bukittinggi, the cost of system formwork is more expensive than conventional formwork, i.e Rp 381,260,039.29 for system formwork compared to Rp 336,629,299.41 for conventional formwork. The results of this study also have not compared of the speed and ease of carrying out the work between the two types of formwork which will be investigated in the next stage.
Co-Authors Afriyani, Sicilia Aktorina, Wahyu Arazka, Wahyu Desmon Hamid Dewi Andriyani Effendi Effendi Enita Suardi Faizi, Abel Ardhya Gusnita, Riza Hendra Alexander Heri yanto Ila Putri Yani Illona Giovanni Lukman Murdiansyah, Lukman Mafriyal Mafriyal MERLEY MISRIANI Mukhlis Mukhlis Parta Wijaya, Yan Picko Wike Amelia Prima, Razaq Putra, Roni Tri Putri Rahmadani, Putri Rahma Wijaya, Suci Rahmi Hidayati Ronal Hadi RR. Ella Evrita Hestiandari Sari, Desnila Silvia Nengsih Silvianengsih Silvianengsih Suhelmidawati, Etri Syofiardi, Syofiardi Winda Fitria Yan Partawijaya Yasrul, Latifah Yurisman Yurisman Zulfira Mirani