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All Journal CIVED (Journal of Civil Engineering and Vocational Education) Jurnal Teknik Sipil BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Jurnal Rekayasa Sipil Jurnal Ilmiah Rekayasa Sipil Journal of Applied Engineering and Technological Science (JAETS) MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Jurnal Talenta Sipil SAINSTEK
Andriani Andriani
Jurusan Teknik Sipil, Fakultas Teknik, Universitas Andalas. Padang, Sumatera Barat, Indonesia
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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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.
Pengaruh Perubahan Kadar Air Tanah Terhadap Stabilitas Dinding Penahan Tanah Jenis Bronjong Andriani Andriani; Hanafi Hanafi; Abdul Hakam
Jurnal Rekayasa Sipil (JRS-Unand) Vol 17, No 1 (2021)
Publisher : Civil Engineering Departement, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrs.17.1.85-96.2021

Abstract

Bronjong merupakan salah satu jenis dinding penahan tanah tipe gravity, dimana tingkat stabilitasnya tergantung dari berat konstruksi dan jenis timbunan yang digunakan.  Dinding penahan tanah merupakan suatu konstruksi yang digunakan untuk menahan tekanan lateral dari masa tanah dengan  ketinggian tertentu, untuk itu stabilitas dinding penahan tanah harus memenuhi syarat agar aman terhadap beban yang bekerja. Salah satu faktor yang mempengaruhi stabilitas dinding penahan tanah adalah kuat geser tanah timbunan dibelakang dinding. Pada lokasi tertentu terkadang sulit untuk menemukan jenis tanah berbutir kasar, sehingga digunakan jenis tanah berbutir halus. Penggunaan tanah berbutir halus sebagai bahan timbunan  dipengaruhi oleh kadar air, sehingga kuat geser tanah akan berubah. Penelitian ini bertujuan untuk mempelajari tingkat  stabilitas  jangka pendek dan jangka panjang dinding penahan tanah tipe bronjong di km 31+800 ruas jalan nasional Lubuk Selasih – Batas kota Padang dan menganalisis pengaruh berbagai variasi kadar air terhadap kuat geser tanah timbunan. Parameter kuat geser yang ditinjau berupa kuat geser total dan kuat geser efektif. Parameter kuat geser didapatkan dari pengujian di laboratorium  menggunakan uji triaksial Unconsolidated Undrained (UU) dan uji triaksial Consolidated Undrained (CU). Sampel yang digunakan dalam pengujian  dipadatkan pada tiga variasi kadar air, yaitu pada kadar air dibawah optimum, pada kadar air optimum dan pada kadar air diatas optimum. Hasil penelitian menunjukkan bahwa kuat geser total dan kuat geser efektif tertinggi diperoleh pada kondisi variasi kadar air terkecil (30 %). Dari perhitungan nilai stabilitas bronjong diperoleh bahwa pada variasi kadar air 30 % dan 40 % tingkat stabilitas bronjong aman terhadap guling, geser dan daya dukung sedangkan pada variasi  kadar air  50 %, dinding bronjong aman terhadap daya dukung tetapi tidak aman terhadap guling dan geser.
PENGARUH PENGGUNAAN SEMEN SEBAGAI BAHAN STABILISASI PADA TANAH LEMPUNG DAERAH LAMBUNG BUKIT TERHADAP NILAI CBR TANAH Andriani Andriani; Rina Yuliet; Franky Leo Fernandez
Jurnal Rekayasa Sipil (JRS-Unand) Vol 8, No 1 (2012)
Publisher : Civil Engineering Departement, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (755.851 KB) | DOI: 10.25077/jrs.8.1.29-44.2012

Abstract

Tanah merupakan material yang sangat berpengaruh dalam suatu pekerjaan konstruksi, karena suatu daerah tidak akan memiliki sifat tanah yang sama dengan daerah lainnya. Sebagian besar wilayah di Indonesia khususnya Kota Padang berada pada tanah lunak. Dua pokok masalah pada tanah lunak adalah penurunan yang besar dan daya dukung tanah yang kecil. Salah satu usaha perbaikan tanah yang akan diteliti adalah stabilisasi tanah dengan menggunakan bahan aditif yaitu Portland Cement Type I. Stabilisasi adalah memperbaiki sifat fisik dan mekanik tanah sehingga memenuhi persyaratan teknis tertentu. Tujuan penelitian ini untuk membandingkan nilai CBR tanah lempung sebelum dan setelah distabilisasi dengan penambahan Portland Cement Type I. Tanah yang akan distabilisasi adalah tanah lempung yang berasal dari daerah Lambung Bukik, Padang, dengan nilai CBR < 10%. Penelitian meliputi sifat fisik dan mekanik tanah yaitu parameter pemadatan dan uji CBR. Pengujian ini berpedoman pada ASTM untuk setiap pengujian. Variasi penambahan semen adalah 5%, 10%, 15%, dan 20% dari berat tanah kering. Pemeraman dilakukan sebelum dilakukan uji CBR, dengan waktu pemeraman selama 3 hari pada kondisi kadar air optimum. Hasil dari penelitian ini menunjukkan bahwa nilai maksimum CBR tanah lempung terdapat pada kadar penambahan semen sebanyak 20% dengan γdry maksimum 1.351 gr/cm3, kadar air optimum 32.9%, dan nilai CBR 64.138 % dengan waktu pemeraman 3 hari. Keywords : tanah lempung, stabilisasi tanah, portland cement type I, CBR
Analisis Tingkat dan Sebaran Bencana Tanah Longsor di Kabupaten Bengkulu Tengah Muhammad Latif; Andriani Andriani; Abdul Hakam
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 2 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i2.6956

Abstract

The confluence of the three largest plates in the world between the Indo-Australian, Eurasian, and Pacific plates makes Indonesia a potential area for landslides. A landslide is the movement of a mass of soil or geology through a sliding plane down a slope. Bengkulu Tengah Regency, which is in Bengkulu Province, is an area prone to landslides, this can be seen based on previous events, which have caused people to experience loss of property and loss of life. Distribution Analysis of landslides is a method used to identify areas with potential levels of landslides starting from low to very high, which allows people to be more vigilant. The purpose of this study is to determine the distribution of landslide susceptibility and dominant factors that influence the level of landslide potential. The research method was carried out by giving weights and scoring with reference to Puslittanak. The making of landslide map was obtained from the results of overlaying secondary data such as DEM, distribution of land cover, distribution of rainfall, geological distribution, and distribution of soil types using the ArcGIS 10.7 application. The results showed that the level of landslides distribution in Bengkulu Tengah Regency was dominated by the distribution level of moderate landslides covering an area of ​​73455 Ha with a percentage of 60%. Areas that have a very high distribution of landslides are in four sub-districts consisting of Taba Penanjung, Meringgi Kelindang, Meringgi Sakti, and Pematang Tiga sub-districts with an area of ​​8948 Ha with a percentage of 7%. The rainfall map distribution had the highest value, which the most dominant factor in the process of landslide occurrence.
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.
Geotechnical Investigation to Predicte of Liquefaction Potential in Gunung Pangilun Area, Padang City Fachriansyah, Ikrar; Raihan, Shufrael; Putra, Hendri Gusti; Andriani
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 13 No 1 (2025): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (January 2025)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v13i1.10153

Abstract

Gunung Pangilun is an area in Padang that continues to experience urban and infrastructure development. Padang City is located in an earthquake-prone area in Indonesia, so it has a high risk of liquefaction. Geotechnical investigation is a crucial step in assessing liquefaction potential. This study aims to predict the liquefaction potential in Padang City, especially in the Gunung Pangilun area. The research methodology includes collecting geotechnical data through soil testing in the field, namely CPT and laboratory testing in the form of soil physical property tests. Liquefaction potential analysis was carried out using empirical methods such as the Seed & Idriss and Tsuchida methods. The analysis showed that at CPT points 1, point 2, point 3, and point 4, there was potential for liquefaction at depths below 1.0 m and 2.0 m. Meanwhile, based on the Tsuchida Curve, it shows that the surface of the soil (depth of 0.00 m - 1.00 m) does not have the potential for liquefaction because it is outside the liquefaction zone and the sand has a non-uniform gradation. Analysis of grain gradation on the ground surface (depth 0.00 m - 1.00 m) has a D50 value of 1.62 mm and at a depth of 1.00 m has a D50 value of 1.39 mm so that at that point, it shows that the ground surface has no potential for liquefaction. The conclusion of this study shows that the potential for liquefaction on Gunung Pangilun is at a depth of more than 1 m.
Improvement of California Bearing Ratio (CBR) Value of Clay Soil in Limau Manis Area, Padang by Using Lime and Rice Husk Ash Candra, Prasetia Dego; Andriani, Andriani; Hakam, Abdul; Apdeni, Risma
MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Vol 6 No 3 (2024): Motivection : Journal of Mechanical, Electrical and Industrial Engineering
Publisher : Indonesian Mechanical Electrical and Industrial Research Society (IMEIRS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/motivection.v6i3.390

Abstract

Clay soil is known for its low bearing capacity, causing cracking or even collapse in construction. Soil improvement is needed before embanking into building on this type of soil. Methods to increase the bearing capacity of clay soil include compacting the soil or mixing it with additive materials that can improve soil properties. This study aimed to analyze the CBR value of clay soil in the Limau Manis hilly area, Padang City, with the addition of 5% lime and 2%, 4%, 6%, and 8% rice husk ash (RHA). The type of the soil is Organic Silt and Silty Clay (OL). This study conducted physical and mechanical properties of soil testing, i.e. sieve analysis, specific gravity, plastic limit, liquid limit, and CBR value. The results showed that adding 5% lime increased the CBR values of 0-day and 7-day cured soil, both in soaked and unsoaked conditions. The CBR value of the soaked and unsoaked 0-day cured soil sample increased by 189% and 168% respectively, while the CBR value of the soaked and unsoaked 7-day cured soil sample increased by 259% and 215% respectively. However, the addition of rice husk ash decreased the CBR value.
Identifikasi dan Pemetaan Masalah di Nagari Pasca Bencana Erupsi Gunung Marapi di Sumatera Barat Mahdi, Mahdi; Istijono, Bambang; Yossafra, Yossafra; Ismail, Febrin Anas; Hakam, Abdul; Adji, Bayu Martanto; Saputra, Dendi; Andriani, Andriani; Narny, Yenny; Giffari, Muhammad Al; Zis, Sirajul Fuad; Yuliet, Rina
Jurnal Talenta Sipil Vol 8, No 1 (2025): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i1.705

Abstract

Mount Marapi is an active volcano located in West Sumatra. The eruptions of Mount Merapi have a significant impact on the social and economic conditions of the surrounding communities. This study aims to identify and map the post-disaster issues in the nagari affected by the eruption of Mount Marapi in West Sumatra Province to formulate appropriate mitigation measures. Using a descriptive qualitative approach with a case study method, data were collected through direct observation, in-depth interviews, and photographic documentation. The results of the study show that infrastructure damage, including roads and bridges, hinders mobility and aid distribution, while the agricultural and livestock sectors suffer substantial losses. The social impacts include loss of housing and psychological trauma, while the economic impacts are evident in the significant losses faced by small and medium enterprises (SMEs). Health concerns, such as increased respiratory and skin diseases, as well as sanitation issues, are also major concerns. Mitigation efforts undertaken include infrastructure repairs, construction of embankments, public education on disaster preparedness, and psychological support for disaster victims. This study highlights the importance of comprehensive and sustainable mitigation strategies to reduce the impact of disasters and ensure the well-being of communities in disaster-prone areas.
Pemodelan Luas Genangan Banjir Batang Lunto di Wilayah Kota Sawahlunto Indra, Bambang Adi; Daud, Darwizal; Andriani, Andriani; Azra, Dio Syahlung
Jurnal Talenta Sipil Vol 8, No 1 (2025): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i1.848

Abstract

Batang Lunto originates in Barangin District, Sawahlunto City, West Sumatra Province and flows eastwards, dividing Sawahlunto City in Lembah Segar District and empties into Batang Ombilin. The Batang Lunto River is included in the Ombilin Coal Mining Heritage Area of Sawahlunto and has been designated as a world cultural heritage by the United Nations Educational, Scientific and Cultural Organization (UNESCO). During the rainy season along the Batang Lunto river, flooding often occurs, while along the Batang Lunto river there are heritage and geopark assets which are tourism destinations in Sawahlunto City. This research aims to model the area of the Batang Lunto flood inundation in the Sawahlunto City area as a first step in mitigating the risk of flood disasters with an area under review of 125.70 Ha. Modeling was carried out using a hydrological and hydrodynamic approach using rainfall data, topography and river flow characteristics. This research utilizes simulation software to map flood-affected areas with various flow discharge scenarios. Flood inundation simulations were carried out using ArcGIS 10.3, HEC-Ras 6.3.1 software at return periods of 2, 5, 10, 25, 50, 100 years. The results of this research show that the flood inundation area resulting from the HEC RAS simulation at the 2-year return period with a discharge of 102.61 m3/s is 18.12 Ha or around 14.42% of the total area of the survey area in this study and respectively for return periods 5, 10, 25, 50, 100 annual is 20.43 Ha (16.25%), 38.38 Ha (30.53%), 45.84 Ha (36.48%), 55.56 Ha (44.20%), 63.70 Ha (50.68%).
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.
Co-Authors AA Sudharmawan, AA Abdul Hakam Abdul Hakim Alfito Alfito Arian Dodi Azra, Dio Syahlung Bambang Istijono, Bambang Bayu Martanto Adji, Bayu Martanto Candra, Prasetia Dego Daud, Darwizal Defitri, Hilga Didi Yoriadi Fachriansyah, Ikrar Farid Akmal Febrin Anas Ismail Franky Leo Fernandez Giffari, Muhammad Al Hape, Shafira Rahmadilla Herol, Herol Indra, Bambang Adi Jamhari Jamhari Mahdi Mahdi Mahdi Mahdi, Mahdi Mahmudi, Fuad Muhammad Al Giffari Muhammad Latif Narny, Yenny Nurhamidah, Nurhamidah Putra, Hendri Gusti Rahmad Yuhendra Raihan, Shufrael Riadi, Irvan Rina Yuliet, Rina Risma Apdeni Saputra, Dendi Sonya Ostha Laurency Taufik, Arrahmat Yossafra, Yossafra Yuliet, Rina Zelby, Rahayu Zis, Sirajul Fuad