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All Journal JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION Jurnal Karajata Engineering Equivalent: Jurnal Ilmiah Sosial Teknik REKAYASA DAN INOVASI TEKNIK SIPIL
Widarto Sutrisno
Universitas Sarjanawiyata Tamansiswa
Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Electrical & Electronics Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Social Sciences Transportation

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Analisis Daya Dukung Tiang Kelompok Pondasi Bored Pile Dengan Metode Analitis Dan Numeris (Studi Kasus Proyek Pembangunan Hotel Di Kulon Progo) Angga Darmawan; Samsul Arifin; Zainul Faizien Haza; Widarto Sutrisno
RENOVASI : Rekayasa Dan Inovasi Teknik Sipil Vol 8 No 1 (2023): April
Publisher : Department of Civil Engineering, Faculty of Engineer, Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/renovasi.v8i1.14430

Abstract

Pondasi adalah salah satu bagian dari struktur yang cukup penting, dimana pondasi merupakan struktur paling bawah dari bangunan yang memikul beban dari bangunan itu sendiri. Terdapat beberapa jenis pondasi dan salah satunya pondasi tiang bored pile yang mana merupakan pondasi dengan prinsip kerja pengeboran. Pondasi ini banyak digunakan untuk bangunan-bangunan tinggi karena sangat efisien digunakan apalagi pada lokasi padat penduduk. Penelitian ini menggunakan data yang diperoleh dari hasil observasi lapangan dan dilengkapi oleh data proyek yang didapat dari proyek pembangunan gedung Hotel Novotel dan Ibis Hotel Kulon Progo. Penelitian ini membahas tentang nilai kapasitas daya dukung kelompok pondasi bored pile dan penurunannya dengan menggunakan data N-SPT. Penelitian ini menggunakan metode analisis Reese & Wright dan metode elemen hingga dengan menggunakan program Plaxis. Hasil analisis menujukkan bahwa nilai daya dukung ultimate (Qu) pada titik pondasi dengan kode BP 121 dengan menggunakan metode Reese & Wright didapat nilai sebesar 478,902 ton. Hasil perhitungan dari nilai Qu dengan menggunakan metode Plaxis didapat nilai sebesar 353,85 ton sebelum konsolidasi dan 536,76  ton setelah konsolidasi. Hasil penurunan pondasi dari perhitungan konvensional adalah sebesar 19,83 mm. Dan hasil penurunan menggunakan program Plaxis didapat nilai penurunan sebesar 0,262 mm.
Evaluasi Kerusakan Jaringan Irigasi Menggunakan Sistem Informasi Geografis Muhamad Noer Cholik; Lilik Hendro Widaryanto; Widarto Sutrisno
RENOVASI : Rekayasa Dan Inovasi Teknik Sipil Vol 8 No 2 (2023): Oktober
Publisher : Department of Civil Engineering, Faculty of Engineer, Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/renovasi.v8i2.15774

Abstract

Dalam pemanfaatan sumber daya air yang digunakan untuk industri, perikanan, pertanian dan usaha lain secara maksimal diperlukannya infrastruktur penunjang berupa jaringan irigasi yang berfungsi sebagai mendistribusikan air dan menjaganya agar sampai pada pintu terjauh atau pintu akhir. Di era Modern ini diperlukan sistem informasi geografis yang akurat guna menyajikan data inventarisasi fasilitas jaringan irigasi. Daerah Irigasi Gamping yang terletak di Kabupaten Sragen mempunyai lahan pertanian yang harus dilayani air seluas 175 Ha dan meliliki 120 titik jaringan dan 26 titik fasilitas jaringan irigasi permanen. Sebanyak 1785,7 m sudah dibangun fasilitas irigasi permanen dan 5691,2 m belum dibangun fasilitas jaringan irigasi permanen maupun sementara. Sebanyak 1785,7 m panjang saluran irigasi yang memiliki fasilitas irigasi dimana sebanyak 640 m (35,84%) sangat baik, selanjutnya 845,5 m (47,35%) daerah irigasi dalam kondisi baik. Sebanyak 2 m (0,11%) dalam kondisi rusak ringan, sementara 15,4 m (0,86%) mengalami kerusakan sedang dan 282,8 m (15,84%) dalam kondisi kerusakan berat bahkan membutuhkan renovasi maupun pembangunan ulang.
JALAN ANALISIS PENGARUH BEBAN LALU LINTAS TERHADAP UMUR RENCANA Siprianus Satriawan; Widarto Sutrisno; Detha Sekar Langit Wahyu Gutama
RENOVASI : Rekayasa Dan Inovasi Teknik Sipil Vol 9 No 2 (2024): October
Publisher : Department of Civil Engineering, Faculty of Engineer, Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/renovasi.v9i2.19335

Abstract

Godean Road is one of the roads whose traffic volume is quite dense, causing a decrease in the planned life of this road. Some of the factors that make this road experience a decrease in the planned life are high traffic volume, vehicle axle loads, and also vehicle loads. Based on this, the author conducted research on the road using the Bina Marga Method and the 1993 ASSHTO Method. The Bina Marga method (Pavement Design Manual 2017) is used to calculate average daily traffic and calculate vehicle equivalent numbers. Based on the results of data analysis using the Bina Marga Method (Pavement Design Manual 2017), it was found that the average daily traffic on the Godean road of Sleman DIY district was 78887 vehicles / day / direction, and the equivalent number of each vehicle was obtained, light vehicles 0.0024, pick ups 0.0206, small buses 0.31545, large buses 0.38424, 2-axis light trucks 3.048, 2-axis medium trucks 6.422, 3-axis trucks 5.2418, trailer trucks 6.708, and semi trailer trucks 5.182. The ASSHTO 1993 method is used to calculate the remaining life of the road plan. Based on the results of data analysis, it is obtained that the percentage of road reduction rates on the Godean road is 40%, a reduction of 60%.
Analisis Tegangan, Regangan dan Pertambahan Panjang Profil C Baja Ringan Widarto Sutrisno; Dimas Langga Chandra Galuh; Ade Anjelina Rolincia Bulle Korro; Antonia Oliva Rahmawati Marut; Ofrianus Yorim Ebenhaizer Silla
JOURNAL OF CIVIL ENGINEERING BUILDING AND TRANSPORTATION Vol. 9 No. 1 (2025): JCEBT MARET
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jcebt.v9i1.13275

Abstract

Dengan kemajuan masyarakat kontemporer, khususnya konstruksi, telah terjadi evolusi yang signifikan dan cepat. Cold formed steel, umumnya disebut sebagai baja ringan, merupakan salah satu bahan yang sedang berkembang di pasar konstruksi yang diproduksi melalui pendekatan manufaktur sistematis. Tujuan penelitian untuk memastikan kualitas bahan baja ringan di Yogyakarta sejalan dengan spesifikasi yang disyaratkan untuk aplikasi struktural, terkhusus G550. Metode penelitian yang digunakan merupakan eksperimen uji tarik menggunakan Automax Universa Testing Machine. Hasil penelitian diperoleh rata-rata tegangan maksimum diperoleh sampel S memiliki kuat tarik maksimum rata-rata 864,76 MPa lebih besar dibandingkan sampel C dan M dengan masing-masing kuat tarik maksimum rata-rata sebesar 831,92 Mpa dan 818,15 Mpa. Sedangkan, rata-rata regangan masing-masing sampel C, S, dan M adalah 1,51, 1,50, dan 1,52. Sampel M memiliki regangan lebih besar dibandingkan sampel C dan S. Pada pertambahan panjang total tegangan leleh sampel C memiliki pertambahan total  0,1427 mm lebih besar dibandingkan kedua sampel S dan M dengan masing-masing petambahan total tegangan leleh sebesar 0,1327 mm dan 0,1387 mm. Sedangkan, untuk pertambahan panjang total tegangan maksimum menunjukkan bahwa sampel S lebih unggul dibandingkan kedua sampel lainnya dengan nilai sebesar 3,3021 mm, sedangkan C dan M masing-masing memilki nilai sebesar 3,0549 mm dan 3,1075.
ANALISIS DAERAH RAWAN KECELAKAAN LALU LINTAS (BLOCK SPOT) DIJALAN YOGYAKARTA – PARANGTRITIS KABUPATEN BANTUL Itsnaini Aziz; Widarto Sutrisno; Dimas Langga Candra Galuh; Tri Ardianto
RENOVASI : Rekayasa Dan Inovasi Teknik Sipil Vol 10 No 2 (2025): Oktober
Publisher : Department of Civil Engineering, Faculty of Engineer, Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/renovasi.v10i2.21211

Abstract

As the number of vehicles increases with the increase in world population, the vehicle density on this road continues to increase every year. year. . Therefore, the large number of traffic accidents that frequently occur on highways poses challenges for all traffic participants. The research method used is survey and collection. data. . From the results of data analysis and discussion, after performing many calculations and analyzing traffic accident data on the Yogyakarta - Prangtritis route, Bantul district, the location and number of black spots were found. Accidents occurred on Yogyakarta - Prangtritis road, Bantul Regency, including research results on the level of compensation between accident incidents and factors affecting them, proposed solutions to reduce the number accident on the highway and have the ability to make repairs so that no more accidents occur.
Implementasi Metode Statistical Quality Control (SQC) dalam Pengendalian Mutu Beton pada Proyek Konstruksi Faza Ardisa Sabian Alathas Abi; Mocahmmad Safrizala Al Farizi; Ahmad Rijal Zufri; Widarto Sutrisno; Detha Sekar Langit Wahyu Gutama
Jurnal Karajata Engineering Vol. 5 No. 1 (2025): 2025
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/karajata.v5i1.3521

Abstract

Concrete is widely used in the construction of buildings, bridges, and roads. The quality of concrete affects the stability and durability of the structure, so quality control in concrete production is very important. One of the methods that can be applied in concrete quality control is Statistical Quality Control (SQC). This study aims to test the quality of concrete through fine and coarse aggregate testing, specific gravity testing, water absorption, bulk specific gravity, sludge content, job mix test, and concrete bending strength test. The test results showed that the resulting concrete had a bending strength higher than the required standard, which was an average of 48.04 kg/m² which was greater than 45 kg/cm². These results show that the FS 45 concrete tested has quality that meets the criteria and can be applied to construction with good performance.
Mechanical Performance and Structural Evaluation of Bamboo-Based Hybrid Composites Modified with Carbon Filler and Graphene Oxide Iskandar Yasin; Nurul Hasan; Widarto Sutrisno; Andi Ibrahim Soumi
Equivalent: Jurnal Ilmiah Sosial Teknik Vol. 8 No. 3 (2026): Equivalent: Jurnal Ilmiah Sosial Teknik
Publisher : Politeknik Siber Cerdika Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59261/jequi.v8i3.289

Abstract

Background: Bamboo-based composites have attracted attention as sustainable alternatives to conventional structural materials in civil engineering. However, their broader application is often limited by relatively low mechanical performance, weak interfacial bonding between fiber and matrix, and vulnerability to structural failure under loading conditions. Objective: This study aims to evaluate the mechanical performance and structural behavior of bamboo-based hybrid composites modified with carbon filler and graphene oxide (GO) to enhance strength, improve interfacial bonding, and reduce the risk of structural failure. Methods: An experimental and numerical approach was employed. Three composite configurations were fabricated and tested (n = 3 specimens per configuration): unfilled bamboo–epoxy (control), carbon-reinforced, and GO-modified composite. Mechanical properties were evaluated through tensile (ASTM D3039) and Charpy impact tests. Finite element analysis (FEA) using ANSYS Workbench validated experimental findings by comparing stress distribution, strain behavior, and total deformation under a 1000 kN axial tensile load, showing strong agreement (R² up to 0.779). Results: The results show that both carbon filler and GO significantly improve the mechanical properties of bamboo composites. The GO-modified composite exhibited the highest tensile strength and elastic modulus, along with enhanced crack resistance due to improved fiber–matrix adhesion and inhibition of crack propagation. FEA simulations support the experimental findings, demonstrating that GO-modified composites display more uniform stress distribution, lower strain concentration, and reduced deformation compared with the other configurations. Conclusion: GO-reinforced bamboo hybrid composites demonstrate superior mechanical performance and structural stability, indicating strong potential for mitigating structural failure risks.
Co-Authors Ade Anjelina Rolincia Bulle Korro Ahmad Rijal Zufri Andi Ibrahim Soumi Angga Darmawan Antonia Oliva Rahmawati Marut Detha Sekar Langit Wahyu Gutama Detha Sekar Langit Wahyu Gutama Dimas Langga Candra Galuh Dimas Langga Chandra Galuh Faza Ardisa Sabian Alathas Abi Iskandar Yasin Itsnaini Aziz Lilik Hendro Widaryanto Mocahmmad Safrizala Al Farizi Muhamad Noer Cholik Nurul Hasan Ofrianus Yorim Ebenhaizer Silla Samsul Arifin Siprianus Satriawan Tri Ardianto Zainul Faizien Haza, Zainul Faizien