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All Journal SCIENCE TECH: Jurnal Ilmiah Ilmu Pengetahuan dan Teknologi Media Ilmiah Teknik Sipil Jurnal Karajata Engineering Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan REKAYASA DAN INOVASI TEKNIK SIPIL
Detha Sekar Langit Wahyu Gutama
Universitas Sarjanawiyata Tamansiswa
Agriculture, Biological Sciences & Forestry Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Environmental Science Materials Science & Nanotechnology Transportation

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Analisis Daerah Rawan Kecelakaan Jalur Wisata Pantai Selatan Gunungkidul Menggunakan Metode Transport Research Laboratory (TRL) Dan Killed Serious Injured (KSI) (Studi Kasus: Ruas Jalan Baron): Analysis Of Accident Prone Areas Tourism Routes Of Gunung Kidul South Beach Using Transport Research Laboratory (TRL) And Killed Serious Injured (KSI) Methods (Case Study: Baron Roads Section) Detha Sekar Langit Wahyu Gutama; Galih Rio Prayogi; Yuliati Nengsih
Media Ilmiah Teknik Sipil Vol. 11 No. 3 (2023): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v11i3.4824

Abstract

Accident-prone locations black spot, accident characteristics, and factors that cause accidents. The methods used to identify accident-prone areas are the Transportation Research Laboratory (TRL) and the Killed Seriously Injured (KSI) method. The data needed is traffic accident data in 2016 - 2020 from the Gunungkidul Police and geometric data. Based on the results of the analysis of the emergence of black spots at Km 1 - Km 2, Km 2 - Km 3, Km 3 - Km 4, Km 4 - Km 5, Km 5 -Km 6 and Km 20 - Km 21. Characteristics of traffic accidents that occur on this road segment Jalan Baron Gunungkidul based on accident rate data in 2016-2020, there were 202 accidents from time to time up to 80 accidents during the day (12:00-18:00), depending on the type of collision a total of 52 head-on collisions, according to the type of vehicle is up to 284 vehicles with motorized vehicles, based on road type has up to 140 accidents with straight road type. Factors causing accidents on Jalan Baron are caused by humans, this one is caused by drivers who are less skilled in controlling vehicles and do not understand the meaning of traffic signs
PENGGUNAAN LIMBAH SERBUK KERAMIK SEBAGAI FILLER PADA CAMPURAN HOT ROLLED SHEET - WEARING COURSE (HRS-WC) Detha Sekar Langit Wahyu Gutama
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Jurnal Konstruksi dan Infrastruktur Vol XI No.2 : Oktober 2023
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v11i2.8821

Abstract

Jalan merupakan bagian penting dalam transportasi, kenyamanan dalam berkendara dapat ditentukan dari perkerasan yang ada. Perlu adanya material yang baik untuk menunjang pembangunan jalan, sehingga perlu adanya sumber material yang baik sebagai pengganti campuran perkerasan jalan. Material yang dimaksud telah memenuhi standar teknis umum Bina Marga. Pada penelitian ini menggunakan bahan pengisi keramik sebagai pengganti abu batu pada campuran perkerasan jalan Lataston Lapis Aus (HRS - Wear Course). Berdasarkan pengujian sifat fisik agregat, material tersebut dapat digunakan sebagai komposit pada campuran HRS - Wear Course. Pada penelitian ini digunakan 6 variasi dengan kadar keramik sebesar 0%, 5%, 10%, 15%, 20%, 25% tanpa mengubah kadar aspal. Tujuan dari penelitian ini adalah untuk mengetahui kelayakan penggunaan bahan pengisi serbuk keramik dan nilai sifat yang dihasilkan untuk pengujian Marshall. Hasil penelititan diperoleh kadar aspal optimum 6.8% dengan filler 0% bubuk keramik nilai stabilitas 1150,2 kg > 600 kg, flow 3,83 mm > 2,5 mm, MQ 300,05 kg/mm > 250 mm, VIM 4.7% > 6,0% > 4,0%, VMA 17% > 18% (pada campuran ini nilai VMA tidak memenuhi spesifikasi) dan VFB 71,9% > 68%. Dengan filler 15% nilai stabilitas 1197,9 kg > 600 kg, flow 2,80 mm > 3 mm (pada campuran ini nilai flow tidak memenuhi spesifikasi), MQ 427,84 kg/mm > 250 mm, VIM 5.7% > 6,0% > 4,0%, VMA 18% > 18% dan VFB 67,5% > 68%. 
Analisis Stabilitas Dinding Penahan Tanah Tipe Diafragma Pada Basemen Gedung Rumah Sakit Nugi Hairul Afriansa; Angga Darmawan; Detha Sekar Langit Wahyu Gutama; Ida Bagus Agung
RENOVASI : Rekayasa Dan Inovasi Teknik Sipil Vol 7 No 2 (2022): Oktober
Publisher : Department of Civil Engineering, Faculty of Engineer, Universitas Sarjanawiyata Tamansiswa

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Abstract

Tujuan penelitian ini antara lain untuk mengetahui berapa besar nilai gaya guling tanah, gaya geser, dan daya dukung tanah pada dinding penahan tanah tersebut dalam rangka untuk mengetahui apakah dinding penahan tanah tersebut sudah sesuai atau dapat menahan beban tanah pada area basement. Teknik analisis data yang dipakai yaitu dengan melakukan hitungan terhadap data yang sudah diperoleh dengan menggunakan metode Rankine dan Mohr serta dilakukan juga analisis dengan menggunakan aplikasi pendukung seperti Geo 5. Berdasarkan hitungan secara analitis statis nilai guling memperoleh nilai sebesar 12,280 > 1,5, nilai geser sebesar 15,788 > 1,5 dan nilai kapasitas daya dukung tanah sebesar 41,57 > 3. Hitungan menggunakan program Geo 5 dengan kondisi tanpa memperhitungkan beban gempa, nilai guling bernilai 17,62 > 1,5, nilai geser sebesar 26,55 > 1,5 dan nilai kapasitas daya dukung tanah untuk arah vertical sebesar 156,10 > 1,5 dan untuk arah horizontal sebesar 26,61 > 1,5. Sedangkan pada kondisi dengan memperhitungkan beban gempa, nilai guling bernilai 4,62 > 1,5, nilai geser sebesar 1,87 > 1,5 dan nilai kapasitas daya dukung tanah untuk arah vertical sebesar 9,04 > 1,5 dan untuk arah horizontal sebesar 1,87 > 1,5. Dinding penahan tanah tipe diafragma pada basement Rumah Sakit Umum tersebut sudah memenuhi syarat keamanan baik analisis tanpa memperhitungkan beban gempa maupun analisis dengan memperhitungkan beban gempa.
Pengaruh Limbah Plastik LDPE terhadap Karakteristik Lapisan Pengikat Beton Aspal (AC-BC) Detha Sekar Langit Wahyu Gutama; Dewi Sulistyorini; Dimas Langga Chandra Galuh; Syaifullah M. Gorang
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 12 No 1 (2026): February
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol12.no1.a19193

Abstract

The increasing volume of plastic waste, particularly Low-Density Polyethylene (LDPE), has become a significant environmental challenge. In the context of sustainable infrastructure development, the utilization of LDPE waste as an additive in asphalt mixtures presents a potential solution. This study aims to evaluate the effect of LDPE addition on the Marshall characteristics of Asphalt Concrete-Binder Course (AC-BC) mixtures. An experimental method was conducted in the laboratory using LDPE content variations of 1.5%, 3%, 4.5%, 6%, and 7.5% by weight of asphalt, with a constant asphalt content of 5.5%. The tests included parameters such as bulk density, Voids in Mineral Aggregate (VMA), Voids in Mix (VIM), Voids Filled with Bitumen (VFB), stability, flow, and Marshall Quotient (MQ), following the Bina Marga 2018 Revision 2 standards. The results indicated that the addition of LDPE affected all Marshall characteristic parameters. At 1.5% LDPE content, the values obtained were a bulk density of 2.379 gr/cc, VMA of 15.49%, VIM of 4.15%, VFB of 77.28%, the highest stability of 1993 kg, flow of 3.07 mm, and a MQ of 650 kg/mm. LDPE content between 3% and 6% showed an increasing trend in VMA from 15.49% to 15.64% and in VIM from 4.15% to 4.32%, while VFB decreased to 72.38% at 6%. Flow values decreased from 3.27 mm at 3% LDPE to 2.67 mm at 7.5%. All parameters remained within the limits set by Bina Marga 2018 Revision 2 standards. This study demonstrates that LDPE can be utilized as an additive material in AC-BC mixtures, as it is capable of maintaining Marshall characteristics within the required technical standards.
EFEKTIVITAS PELICAN CROSSING SEBAGAI MEDIA PENYEBERANGAN Andrean Fauba; Galih Rio Prayogi; Yuliyanto Andry; Michael; Detha Sekar Langit Wahyu Gutama; Ruslin
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.v10i1.18226

Abstract

Based on direct observations at the pelican crossing located on Jalan Raden Intan, Bandar Lampung, despite the presence of pedestrian crossing facilities, many vehicle users do not stop or give way to pedestrians. Additionally, there are issues with pedestrian behavior, including disorderly crossing. Therefore, it is necessary to analyze the effectiveness of the pelican crossing on Jalan Raden Intan, Bandar Lampung, based on public perceptions, pedestrian crossing volume, the impact of traffic on pedestrians, the adequacy of crossing facilities, and to propose improvements for the pelican crossing. The analysis was conducted using questionnaires with indicators of safety, comfort, security, convenience, and accessibility. Effectiveness analysis was performed using PV2 calculations and traffic impact analysis on pedestrians. The results from the questionnaires indicated that the pelican crossing is very ineffective in terms of safety, comfort, security, convenience, and accessibility. The PV2 value of 1.46 x 109 suggests that Jalan Raden Intan, Bandar Lampung, requires a pelican crossing with a waiting area. The effectiveness analysis yielded scores of 54.66% and 50.44%, indicating that the pelican crossing at the observed location is categorized as ineffective. The traffic impact analysis showed that vehicle speeds before, during, and after the crossing do not decrease significantly, only reducing the speed of vehicles in the presence of pedestrians. Recommendations from this study include planning pedestrian crossings for individuals with special needs.
Penggunaan Semen Tipe Portland Pozzolan Cement (PPC) Pada Beton Roller Compacted Concrete (RCC) Terhadap Kuat Tekan Ditinjau dari Durabilitasnya Umbu Valentino Kanna Ngundju Mbani; Dewi Sulistyorini; Detha Sekar Langit Wahyu Gutama; Alfredo Yogusta Figo Ela; Agung Purwo Saputro Saputro
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.v10i2.21250

Abstract

Roller Compacted Concrete (RCC) is a construction material frequently used in massive infrastructure projects such as dams, embankments, highways, and airport runways. This concrete is characterized by a special casting method involving the use of a roller compactor, which produces a dense and strong concrete structure at a relatively low cost. The research materials used are portland pozzolanic cement (PPC), coarse aggregate with a maximum size of 19, fine aggregate, a ratio of water and mineral superplasticizer additives of 0.5%. The manufacture of cylindrical test specimens measuring 150 x 300 mm in accordance with ASTM C1435 which were compacted using a vibrator hammer. The purpose of this study was to determine the compressive strength of RCC concrete with PPC cement material and the modulus of elasticity of concrete with ordinary water immersion treatment and sodium sulfate at the age of 14 days and 28 days. The average compressive strength test results for RCC concrete using PPC cement showed the highest result in the sodium sulfate immersion treatment at 28 days at 43.65 MPa and the lowest result with ordinary water immersion treatment at 28 days at 34.35 MPa.
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.
Co-Authors Agung Purwo Saputro Saputro Ahmad Rijal Zufri Alfredo Yogusta Figo Ela Andrean Fauba Angga Darmawan Dewi Sulistyorini Dimas Langga Chandra Galuh Faza Ardisa Sabian Alathas Abi Galih Rio Prayogi Ida Bagus Agung Michael Mocahmmad Safrizala Al Farizi Nugi Hairul Afriansa Ruslin Syaifullah M. Gorang Umbu Valentino Kanna Ngundju Mbani Widarto Sutrisno Yuliati Nengsih Yuliyanto Andry