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All Journal CIVED (Journal of Civil Engineering and Vocational Education) Journal of Applied Engineering and Technological Science (JAETS)
Andriani Andriani
Universitas Andalas
Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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ANALISIS PENGARUH PERUBAHAN TATA GUNA LAHAN TERHADAP ALIRAN PERMUKAAN DAN LAJU SEDIMENTASI MENGGUNAKAN ArcSWAT Herol Herol; Nurhamidah Nurhamidah; Andriani Andriani
CIVED Vol 9, No 1 (2022): Maret 2022
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v9i1.115798

Abstract

Pertumbuhan penduduk dari waktu ke waktu semakin meningkat sehingga kebutuhan akan lahan untuk membangun semakin tinggi. Akibatnya perubahan penggunaan lahan tidak dapat dihindarkan. Penelitian ini bertujuan untuk menguji pengaruh perubahan penggunaan lahan terhadap aliran permukaan dan laju sedimentasi. DAS Batang Air Dingin bagian hulu dan tengah tahun 2011 dan 2019 menjadi kajian dalam penelitian ini. Pemodelan hidrologi dalam penelitian ini menggunakan model soil and water assessment tool (SWAT). Perubahan penggunaan lahan dari tahun 2011 hingga 2019 didominasi oleh perubahan hutan menjadi semak belukar. Pengaruh perubahan penggunaan lahan tahun 2011 dan 2019 terhadap aliran permukaan relatif kecil yaitu hanya 2%, dengan koefisien aliran permukaan (C) sebesar 0,35 dengan kriteria sedang. Nilai tersebut menunjukkan bahwa DAS Batang Air Dingin cukup baik dalam merespon air hujan sehingga hanya sebagian kecil air hujan yang menjadi limpasan permukaan. Pengaruh perubahan penggunaan lahan tahun 2011 dan 2019 terhadap laju sedimentasi cukup besar dengan nilai perubahan terbesar 300%, dan terjadi peningkatan kriteria dari ringan menjadi sedang.
Identification of Landslide Hazard in Residential Area Kubang Tangah District, Sawahlunto Andriani Andriani; Bambang Istijono; Alfito Alfito; Farid Akmal; Bayu Martanto Adji
Journal of Applied Engineering and Technological Science (JAETS) Vol. 5 No. 2 (2024): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v5i2.3893

Abstract

The residential area in Kubang Tangah, Sawahlunto, is an area that has the potential for significant landslide hazard. With rapid residential growth and environmental change, risks to the security and well-being of residents are becoming increasingly prominent. This research aims to identify factors that trigger landslide hazard and analyze potential risks in the residential context of Kubang Tangah. Analysis of regional geotechnical and topographic characteristics, land use modeling, and review of the impact of human activities on slope stability. The analysis method uses the Plaxis 2D program to obtain slope safety factors in the Kubang Tangah residential area, Sawahlunto. The research results show that residential areas in Kubang Tangah have a high level of landslide risk, influenced by slope, soil type, and changes in land use. Varying rainfall levels significantly contribute to the potential for landslide hazard. Mitigation recommendations are suggested to involve wise land use changes, strengthening infrastructure, and increasing public awareness of the dangers of landslides.
Post-Disaster Engineering Strategy for Anai River Debris Flow Management on Anai Valley National Road West Sumatra Indonesia Andriani Andriani; Bambang Istijono; Rahmad Yuhendra; Mahdi Mahdi; Muhammad Al Giffari; Arian Dodi; Bayu Martanto Adji
Journal of Applied Engineering and Technological Science (JAETS) Vol. 6 No. 1 (2024): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v6i1.5845

Abstract

One of the causes of flash floods is eruption material from Mount Marapi that is carried downstream, disrupting transportation access and the local economy. This study aimed to design and implement an effective post-disaster engineering strategy for debris flow management in the Anai River and evaluate its long-term success. Data were collected through field observations to measure river profiles, photogrammetry, and sediment sampling. Secondary data were used to calculate rainfall intensity and flood discharge in the Anai River to plan debris flow control. The study results showed that the large catchment area and high rainfall contributed significantly to the high peak discharge. Disturbed soil samples taken from the river surface were saturated, indicating the influence of sediment from the debris flow from the eruption of Mount Marapi. The removal of material from the riverbed needs to be controlled to avoid overexploitation that could exacerbate erosion of the riverbanks, ultimately threatening bridge structures and other infrastructure along the Anai River. To overcome this problem, it is necessary to build sediment control structures such as check dams and groundsills, as well as secure riverbanks in the management of debris flows in the Anai River.
Liquefaction Potential Analysis Using Various Methods (Case Study of Railway Bridge in Sintuk Toboh Gadang District, Padang Pariaman Regency, West Sumatera) Didi Yoriadi; Andriani Andriani; Abdul Hakam
Journal of Applied Engineering and Technological Science (JAETS) Vol. 6 No. 2 (2025): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v6i2.6115

Abstract

The earthquake that rocked West Sumatra with a magnitude of 7.9 SR, a depth of 71 km, and an epicenter of 0.84 LS - 99.65 BT around 57 km Southwest of Pariaman on 30 September 2009 has caused damage to infrastructure and buildings and caused 383 fatalities. One of the problems caused by the earthquake is the liquefaction phenomenon. Liquefaction was reported to have occurred in Padang in the form of sand ejection coming out of cracks in the ground after the 7.9 SR earthquake in 2009. This study aims to determine the liquefaction potential of the Sintuk Toboh Gadang railway, Pariaman, using various liquefaction potential analysis methods so that the most practical and convincing method is obtained among these methods. In this study, the methods used to predict liquefaction are the Tsuchida (1970), Seed & Idriss (1971), Shibata & Teparaksa (1988), and Hakam (2020) methods. Field testing was conducted at four CPT test points, four NSPT test points, and machine drilling tests. The results showed that using the Tsuchida (1970) method, soil deposits at the four points tended to have liquefaction potential. The Seed & Idriss (1971) method showed that points 3, with depths of 8m and 14m, and point 4, with a depth of 8m, had liquefaction potential, while the Shibata & Teparaksa (1988) method using CPT data showed that at depths <10 meters there was a tendency for liquefaction to occur at the four points reviewed. The study's results using the Hakam (2020) method resemble the method proposed by Seed & Idriss (1971). It can be concluded that among the four methods, the most practical and convincing method is the Hakam (2020) method.
Co-Authors Abdul Hakam Alfito Alfito Arian Dodi Bambang Istijono, Bambang Bayu Martanto Adji, Bayu Martanto Didi Yoriadi Farid Akmal Herol, Herol Mahdi Mahdi Muhammad Al Giffari Nurhamidah, Nurhamidah Rahmad Yuhendra