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Oni Guspari
Jurusan Teknik Sipil Politeknik Negeri Padang
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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.
Kajian Keselamatan dan Kesehatan Kerja ( K3 ) Konstruksi Balok Pada Konstruksi Bangunan Gedung Hendra Alexander; Silvia Nengsih; Oni Guspari
Jurnal Ilmiah Poli Rekayasa Vol 15, No 1 (2019): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (355.404 KB) | DOI: 10.30630/jipr.15.1.140

Abstract

Construction projects have a very high risk of work accidents. Work accidents will disrupt all project activities that can cause death and loss to the project. A work accident is an undesirable and unexpected incident which could result in loss of life and property. Based on Law No.1 of 1970 concerning work safety, work accident is an unexpected and undesirable event that disrupts the regulated process of an activity and can cause harm to both human victims and property. For this reason, it is necessary to have a construction safety management system using methods Hazard Identification Risk Determining Control (HIRADC). HIRADC will be implemented if there is support from management for occupational safety and health (OSH) in the form of policies, organizational structure and budget. From the studies conducted, the most common hazards are falling, punctured, scratched, tripped, bumped, inhaled dust, electric shock, exposed to concrete splashes with extreme risk of risk of injury, disability and even death. For this reason, there is a need for handling control in the form of mandating the use of PPE, administrative control such as making work instructions, SOP, must have SIO and SILO, installing signs, and doing engineering such as work methods, shopdrawing, providing regular training.
The Effect of Bending Strength of Concrete Using Machine Crushed Fine Aggregate Enita Suardi; Mukhlis; Oni Guspari; Illona Giovanni; Ila Putri Yani
International ABEC Vol. 2 (2022): Proceeding International Applied Business and Engineering Conference 2022
Publisher : International ABEC

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (865.655 KB)

Abstract

Concrete is a mixture of Portland cement or other hydraulic cement, fine aggregate, coarse aggregate, and water with or without additives to form a solid mass. Cement concrete pavement is a pavement construction with aggregate as raw material and uses cement as a binding material, so it has a relatively high level of rigidity, especially when compared to asphalt pavement. The fine aggregate commonly used is natural fine aggregate. Due to the increasing use of fine aggregate in construction so as to obtain the fine aggregate by means of sand mining, ecological damage in some areas. Therefore, the use of natural fine aggregate can be replaced with machine crushed aggregate. Based on this, this study aims to determine the maximum compressive strength of concrete, maximum flexural strength of concrete blocks using a mixture of machined aggregate percentage. The research method was carried out with 15cm x 15cm x 60cm beams. Variation of the test specimen mixture is a mixture that meets the maximum combined gradation limit of 30mm. Flexural strength testing was carried out at the age of 56 days. The highest flexural strength test results are found in variation 2, which is 4.85 MPa.
Penyuluhan dan Pelatihan Mitigasi Bencana Gempa dan Kebakaran di SMAN 15 Padang Suhelmidawati, Etri; Guspari, Oni; Hadi, Ronal; Syofiardi, Syofiardi; Faizi, Abel Ardhya
Jurnal Pustaka Mitra (Pusat Akses Kajian Mengabdi Terhadap Masyarakat) Vol 4 No 2 (2024): Jurnal Pustaka Mitra (Pusat Akses Kajian Mengabdi Terhadap Masyarakat)
Publisher : Pustaka Galeri Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55382/jurnalpustakamitra.v4i2.704

Abstract

Berdasarkan lokasi geografis Indonesia yang diapit oleh dua lempeng aktif dunia menjadikan Indonesia sebagai salah satu negara rawan gempa. Disisi lain, kondisi cuaca yang sering panas dan letak bangunan yang berdekatan sangat memungkinkan untuk terjadinya bencana kebakaran. Oleh karena itu, Tim Pengabdi Teknik Sipil Politeknik Negeri Padang telah melakukan pengabdian masyarakat pada tanggal 23 Agustus 2023 di SMAN 15 Padang, Sumatera Barat. Tujuan kegiatan ini adalah memberikan penyuluhan dan pelatihan lansung tentang mitigasi bencana gempa dan kebakaran, serta mampu membantu masyarakat untuk mendapatkan solusi terhadap permasalahan dalam bidang mitigasi bencana terutama mengenai kesiapsiagaan. Metode pelaksanaan kegiatan diawali dengan memberikan penyuluhan mengenai mitigasi bencana gempa dan kebakaran kemudian demonstrasi lansung tentang pemakaian Alat Pemadam Api Ringan (APAR). Target luaran dari kegiatan pengabdian masyarakat ini adalah adanya peningkatan pemberdayaan masyarakat melalui pelatihan dan praktek lansung mitigasi bencana.
Identification and Analysis of the Causes of Problems in the Implementation Stage of Construction Projects with APBD Funding Sources in West Sumatra Province Parta Wijaya, Yan; Guspari, Oni; Rahma Wijaya, Suci; Andriyani, Dewi
JOELS: Journal of Election and Leadership Vol. 4 No. 2 (2023): JOELS : Journal of Election and Leadership
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/joels.v4i2.16288

Abstract

Aims to determine and analyze the causes of problems that often arise at the implementation stage of construction projects with APBD funding sources in West Sumatra Province. The research method used is descriptive qualitative research, data collection through interviews, field observations and analysis of related documents. This research revealed several main causes of these problems, including a lack of thorough planning, frequent design changes, and problems in supervision and coordination between related parties. The results of this research can provide valuable insight for the West Sumatra Provincial Government in increasing the effectiveness of implementing construction projects with APBD funding sources. By understanding the causes of existing problems, corrective steps can be taken to optimize budget use and ensure the smooth running of construction projects. This research can also be a reference for construction researchers and practitioners in similar contexts in other fields.
PENGARUH INTERAKSI TANAH-STRUKTUR PADA TANAH LUNAK TERHADAP DILATASI DARI DUA BANGUNAN TINGGI AKIBAT GEMPA Sari, Desnila; Murdiansyah, Lukman; Yurisman, Yurisman; Guspari, Oni
Jurnal Ilmiah Poli Rekayasa Vol 18, No 2 (2023): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.18.2.244

Abstract

Earthquakes that occur in buildings can lead to collision force with the next building if the initial gap between the two buildings is not sufficient for its free vibration responses. Collisions can cause amplification of the internal forces in the structural elements and the collision force on the contact zone is usually not considered in the initial design so that it can lead to damage and collapse of buildings. This study aime to determine the effect of Soil-Structure Interaction in the dilatation of two structures in soft soil with consideration of the collision to the next building. The structure is modeled as a structural system with multi degree of freedom (MDOF). The upper structure is considered linear elastic model and does not have damping as well as the lower structure (foundation). The collision can only occur on the floor level of the two buildings in which the contact zone is modeled as an elastic element. The rheological model for Soil-Structure Interaction are taken as a horizontal spring and a rotational spring. Structural dynamic equations was solved by using the Houbolt integration method. The resolution of numerical program was solved by the Matlab software. The results of study showed that soil-strucutre interaction increases the relative displacement under the condition of initial distance (gap) between the two buildings was reduced.
Design of Non- Engineered Earthquake Resistant Housing in West Sumatera Fitria, Winda; Guspari, Oni; Afriyani, Sicilia; Putra, Roni Tri; Misriani, Merley
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.10008

Abstract

This research focuses on the design of earthquake-resistant houses in West Sumatra Province to improve the structural quality of residential buildings. Significant damage to houses caused by previous earthquakes poses a serious threat, especially as it can hinder evacuation processes during disasters. Ensuring individual safety is a top priority in evacuation efforts, making it crucial to build earthquake-safe homes, whether through new construction or renovation, to minimize the risk of casualties. The study employs a quantitative approach guided by the earthquake-resistant house requirements handbook developed by JICA and the Ministry of Public Works. The result is an alternative DED design for a Type 45 house suitable for West Sumatra. This single-story house is designed on hard soil with a structure that meets earthquake standards. The analysis results show the structural specifications as follows: the foundation uses stone with a bottom dimension of 80 cm, a top dimension of 40 cm, and a height of 80 cm; BS beams measure 15 cm x 30 cm; RB beams 15 cm x 20 cm; and columns 20 cm x 20 cm. The average Safety Factor (SF) values are BS beams 1.04, RB beams 1.3, columns > 3, and stone foundation 3, indicating that the planned sections meet the requirements for earthquake-resistant houses. This study aims to contribute to disaster risk mitigation and serve as a guide for communities in constructing earthquake-resistant homes, especially in the West Sumatra region.
STUDI EKSPERIMENTAL PENGARUH FLY ASH DAN SERAT KELAPA PADA BETON UNTUK PERKERASAN KAKU Suhelmidawati, Etri; Guspari, Oni; Hidayati, Rahmi; Rahmadani, Putri; Prima, Razaq
Jurnal Ilmiah Poli Rekayasa Vol 20, No 2 (2025): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.20.2.388

Abstract

Concrete structures are very vulnerable to cracking due to the brittle nature of the material and strong against pressure, but weak against tension. Meanwhile, green technology and sustainable materal are popular nowadays due to global warming issues. Therefore, subtituting  material in concrete which are come from waste disposal are used in this research. Waste materials as a substitute for aggregate in concrete is currently increasing as the demand of green technology. In this research, the waste material used are fly ash and coconut fiber. Fly Ash as the replacement of cement from PLTU of Teluk Sirih and coconut fiber from Padang Pariaman will be studied. The aim of this research was to find out the effect of using Fly Ash and coconut fiber on the compressive strength and flexural strength of concrete. For the use of fiber, soaking will be carried out using NaOh which will affect the wettability angle of the fiber. The experimental method was used in this study, while the tests carried out included material testing, compressive strength test and flexural strength test. Tests carried out refer to the American Standard Testing and Materials (ASTM). Mix design were investigated based on ACI 211 4R-93 for High Strength Concrete. Based on the experimental results, the highest value of compressive strength test was attained in the 4th concrete variation with a concrete mixture of 15% Fly Ash + 1% Coconut Fiber + Sika Viscocrete with a value of 32.1 MPa and the flexural strength value as of 5.3 Mpa.
REKOMENDASI PENGUBAHSUAIAN GEDUNG F POLITEKNIK NEGERI PADANG MENJADI BANGUNAN GEDUNG HIJAU Partawijaya, Yan; Hamid, Desmon; Guspari, Oni; Aktorina, Wahyu; Yasrul, Latifah
Jurnal Ilmiah Poli Rekayasa Vol 20, No 1 (2024): Oktober
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.20.1.372

Abstract

 Padang State Polytechnic (PNP), one of the first 17 polytechnics in Indonesia, is committed to creating a comfortable academic environment with adequate facilities and harmonious interaction between lecturers, staff, and students. Collaboration with many companies has increased the number of students and study programs admitted each year. However, the construction of facilities and infrastructure has reduced green open space by 26.88%. The construction of Buildings AB and E in 2012 has impacted the comfort and health of Building F users, obstructing air circulation and natural lighting, and increasing the demand for water and waste management. Recommendations are needed to convert Building F into a green building according to the Minister of Public Works and Housing Regulation No. 21 of 2021 to optimize natural resources, reduce environmental impact, and enhance comfort. This research aims to develop retrofit recommendations, including replacing window openings, adding green areas, planning natural lighting, and improving waste and wastewater management systems. Data was collected through literature review, observation, quantitative methods, interviews, and documentation. The initial assessment of Building F scored 21.81% according to the Checklist for Existing Buildings in the Green Building Performance Assessment, indicating a significant need for improvement. The implementation of the recommendations will potentially increase Building F's score to 70.30%, placing it in the "MADYA" category, reflecting better sustainability and efficiency standards.. This demonstrates the success of the recommendations provided and the potential to improve building performance in the future
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