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All Journal JURNAL SIPIL SAINS Sistem : Jurnal Ilmu-Ilmu Teknik Tolis Ilmiah: Jurnal Penelitian Jurnal Infomanpro JOURNAL SCIENTIFIC OF MANDALIKA (JSM) AKADEMIK: Jurnal Mahasiswa Humanis Journal of Civil Engineering and Technology Sciences Jurnal Indonesia Sosial Sains Kohesi: Jurnal Sains dan Teknologi Indo Green Journal RESLAJ: Religion Education Social Laa Roiba Journal Engagement: Jurnal Pengabdian Kepada Masyarakat Indo Green Journal
Januar Sasongko
Fakultas Sipil, Universitas Yudharta Pasuruan
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Physics Public Health Social Sciences Transportation Other

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Pemanfaatan Limbah Paving Sebagai Alternatif Agregat Halus Terhadap Kuat Beton Ulumuddin, Miftachul; Sasongko, Januar
Tolis Ilmiah : Jurnal Penelitian Vol 7 No 2 (2025): November
Publisher : LPPM Universitas Madako Tolitoli

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56630/tolis.v7i2.1053

Abstract

The demand for concrete as a primary construction material has increased significantly each year, leading to the excessive exploitation of natural sand and resulting in adverse environmental impacts. On the other hand, construction waste such as used paving blocks from road and sidewalk demolitions continues to accumulate without optimal reuse. This study aims to analyze the utilization of paving waste as a partial replacement for fine aggregate (sand) and its effect on the compressive strength of concrete, using paving waste variations of 5%, 10%, and 15%. The research method employed an experimental approach in the laboratory, with compressive strength tests conducted at 7 and 28 days in accordance with SNI 03-2834-2000. The test results show that concrete with 15% paving waste substitution achieved the highest compressive strength, reaching 20.70 MPa at 7 days and 27.98 MPa at 28 days, exceeding that of normal concrete (0%) which only reached 26.90 MPa. These findings indicate that paving waste has potential as an environmentally friendly alternative to fine aggregate, while also significantly enhancing the compressive strength of concrete.
Pengaruh Limbah Beton Mutu Tinggi Sebagai Alternatif Campuran Agregat Kasar Terhadap Kuat Tekan Beton Nama Penulis Teguh Santoso; Januar Sasongko
Reslaj: Religion Education Social Laa Roiba Journal Vol. 7 No. 10 (2025): RESLAJ: Religion Education Social Laa Roiba Journal
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/reslaj.v7i10.9563

Abstract

This study aims to evaluate the use of high-strength concrete waste (HSCW) as a coarse aggregate replacement and its effect on the compressive strength of concrete with a target strength of 32 MPa. Cylindrical specimens measuring 15 cm in diameter and 30 cm in height were used. HSCW was used in varying proportions: 25%, 50%, 75%, and 100%, with conventional concrete as the control. Each variation included nine specimens. The research employed an experimental approach. Results show that HSCW affects compressive strength. The control concrete reached 39.63 MPa. At 25% HSCW, strength increased to 40.73 MPa (2.78% gain), but declined at higher levels: 50% (40.19 MPa), 75% (36.66 MPa), and 100% (35.63 MPa), indicating a significant reduction at higher replacement rates.
EVALUASI SAMBUNGAN STRUKTUR KOLOM DENGAN BALOK AKIBAT BEBAN GEMPA SMP BHINNEKA TUNGGAL IKA PASURUAN MENGGUNAKAN METODE LOAD AND RESISTANCE FACTOR DESIGN (LRFD) Nafi’i, Ainun; Januar Sasongko
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 4 No. 12 (2023): Desember
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol4iss12pp323-339

Abstract

Indonesia is one of the countries prone to earthquakes. This is proven by the frequent occurrence of earthquakes in several regions in Indonesia, one of which is the Province of East Java, which has resulted in many fatalities and damage to building structures, especially buildings with a main concrete structure. Steel is a material that is often used in the world of construction. This is because steel has various advantages when compared to other materials. Some of the advantages of steel are that it is not eaten by termites, the difference in expansion and shrinkage is small, it can be recycled and has high tensile strength, has high ductility, is more flexible, lighter and works faster when compared to concrete. Load And Resistance Factor Deisgn (LRFD) is the specification issued byAmerica Instate Of Steel Construction (AISC) for the design of steel construction, based on the resistance of the ultimate strength method (Plastic Method). LRFD provides a more specific comparison between load Q and resistance Rn. From the evaluation and calculation results, the results obtained are that the Planned Connection uses the A-325 M16 bolt type with a total of 32 bolts where the distance between the bolts is 50 mm and the distance between the bolts to the edge is 25 mm capable of withstanding large scale earthquakes, As for the Existing Connection which uses the A-325 M20 bolt type with a total of 26 bolts where the distance between the bolts is 50 mm and the distance between the bolts to the edge is 25 mm only able to withstand small scale earthquakes.
PENGARUH CANGKANG KERANG TIRAM SEBAGAI ALTERNATIF CAMPURAN SEMEN TERHADAP KUAT TEKAN BETON Sidharta, Wheni; Sasongko, Januar
JURNAL SIPIL SAINS Vol 14, No 2 (2024)
Publisher : Program Stud Teknik Sipil Fakultas Teknik Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/sipilsains.v14i2.8605

Abstract

Penelitian ini dilakukan untuk mengetahui pemanfaatan limbah cangkang kerang tiram sebagai campuran semen terhadap kuat tekan beton dengan mutu 25 Mpa. Penelitian ini menggunakan benda uji berbentuk silinder dengan diameter 15 cm dan tinggi 30 cm. Beton cangkang kerang tiram (CKT) sebagai campuran semen dengan variasi 4%, 8%, dan 16% serta beton konvensional sebagai kontrol (beton pembanding) dengan jumlah benda uji sebanayak 9 buah per variasi.  Dalam penelitian ini menggunakan konteks pendekatan eksperimen. Berdasarkan hasil analisa data, cangkang kerang tiram (CKT) berpengaruh pada kuat tekan beton yang dibuktikan dengan kuat tekan beton normal sebesar 40,37 MPa, kemudian untuk penambahan CKT pada variasi 4% (41,47 MPa) mengalami penaikan sebesar 5,04%. Kemudian pada variasi 8% (39,19 MPa) dan 16% (27,92 MPa) beton mengalami penurunan kuat tekan secara signifikan.
Analysis of Strengthening Beam Structure Case Study on Food Court Building of Ruang Terbuka Hijau (RTH) Project at Alun-Alun Kota Kediri Walad, Khoirul; Maulidiyah, Afrikhatul; Sasongko, Januar
Jurnal Indonesia Sosial Sains Vol. 5 No. 10 (2024): Jurnal Indonesia Sosial Sains
Publisher : CV. Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jiss.v5i10.1471

Abstract

The Green Open Space (RTH) construction in Kediri City includes a food court building utilizing reinforced concrete structures. During construction, cracking issues occurred in several beam structures due to the inability to bear the design loads effectively, necessitating a strengthening approach. This study aims to develop and evaluate a strengthening method for cracked beam structures by employing concrete jacketing. The specific objective is to improve the structural integrity and load-bearing capacity of these beams to ensure the durability and safety of the building. A concrete jacketing technique was used to reinforce the cracked beams, utilizing K-300 ready-mix concrete and additional reinforcing steel. The study involved structural analysis to assess the load-bearing capacity before and after jacketing, and on-site evaluation was conducted to monitor the method's effectiveness. The findings indicate that the jacketing method significantly increased the beams' bending moment capacity and overall structural strength, successfully addressing the cracks and enhancing the beams' ability to bear the intended loads. The reinforced beams showed improved load distribution and structural resilience performance. Concrete jacketing proved to be an effective method for strengthening the cracked beam structures in the Green Open Space project. The study provides valuable insights for similar future construction projects, suggesting that concrete jacketing can be a reliable reinforcement technique to enhance the durability and safety of building structures.
Studi Alternatif Perencanaan Jembatan Komposit pada Struktur Atas Jembatan Mojosongo Kab. Boyolali Wulandari, Wulandari; Sasongko, Januar
Indo Green Journal Vol. 1 No. 3 (2023): Green 2023
Publisher : Published by Institut Teknologi Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/green.v1i3.18

Abstract

Jembatan diklasifikasikan menjadi beberapa jenis menurut metode pengerjaan konstruksinya diantaranya adalah jembatan rangka baja, jembatan prategang girder, jembatan beton, dan jembatan komposit. Jembatan Mojosongo yang terletak di Desa Glonggongyang, Kelurahan Mojosongo Kecamatan Andong, Kabupaten Boyolali Provinsi Jawa Tengah. Dibangun dengan menggunakan metode pengerjaan girder bentuk PC-I dengan panjang total 40 m dan lebar total jembatan 7 m, pengerjaannya menggunakan gelagar prategang dengan profil PC-I girder yang langsing, sehingga rentan terjadi kegagalan atau keretakan pada beton. Maka dari itu dilakukan perencanaan ulang jembatan menggunakan metode komposit, yaitu penggabungan antara gelagar baja dengan plat beton sebagai plat lantai kendaraan. Perencanaan menggunakan bantuan software MS.Excel dengan acuan pembebanan pada SNI 1725:2016. Hasil perencanaan meliputi beban yang bekerja pada struktur atas jembatan mojosongo adalah sebesar 17,48 KN/m. dimensi plat lantai 40m x 1,5m x 0,25m menggunakan tulangan rangkap diameter 10 dengan jarak sengkan 100mm. Pada perencanaan ini menggunakan profil gelagar HWF 927 x 422 x 22 x 40. Sebelum merencanakan strudi literatur baiknya mempelajari jenis-jenis jembatan dan analisa perhitungannya terlebih dahulu untuk memudahkan perencanaan ulang.
Analisa Rekayasa Nilai (Value Engineering) pada Struktur Bangunan SDN Karangketug 3 Kota Pasuruan Anwar, Khoirul; Sasongko, Januar
AKADEMIK: Jurnal Mahasiswa Humanis Vol. 4 No. 3 (2024): AKADEMIK: Jurnal Mahasiswa Humanis
Publisher : Perhimpunan Sarjana Ekonomi dan Bisnis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37481/jmh.v4i3.1037

Abstract

The construction project of SDN Karangketug 3 in Pasuruan City includes several high-cost components that could still be optimized through efficiency improvements. In the structural work, the researcher attempted to modify the structural design by exploring alternative design options without compromising the quality or strength of the structure, using Value Engineering techniques. The research process involved several stages: Observation, Design and Cost Identification, Structural Analysis, Cost Estimation, and Analysis Results. Cost savings were achieved by reducing the dimensions of the beam and column cross-sections, while ensuring structural strength was maintained using the SAP2000 software program, and recalculating the optimal budget. SAP2000 analysis showed that all alternative frames passed the stress/capacity check. The optimal budget after value engineering for the beam and column structure amounted to a 34.23% reduction, from the initial cost of Rp. 116,284,340.70 to Rp. 76,481,631.65, representing a saving of Rp. 39,802,709.05.
Co-Authors Afrikhatul Maulidiyah Edi Hargono Khoirul Anwar Khoirul Walad Lalu Mulyadi Mas’ud, Mochamad Maulidiyah, Afrikhatul Mochamad Mas’ud Muhammad Saiful Anwar Nafi’i, Ainun Nuriyah, Sinta Rukma Nur Patriya Rukma Nur Patriya, Rukma Nur Sidharta, Wheni Teguh Santoso Ulumuddin, Miftachul Walad, Khoirul Wulandari Wulandari Wulandari