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Pemetaan Cepat Genangan Banjir Menggunakan Teknologi Remote Sensing 使用远程成像技术快速绘制洪水积水
Rekayasa Sipil Pub Date : 2022-06-30 DOI: 10.21776/ub.rekayasasipil.2022.016.02.9
Tedy Pranadiarso, Entin Hidayah, Gusfan Halik
{"title":"Pemetaan Cepat Genangan Banjir Menggunakan Teknologi Remote Sensing","authors":"Tedy Pranadiarso, Entin Hidayah, Gusfan Halik","doi":"10.21776/ub.rekayasasipil.2022.016.02.9","DOIUrl":"https://doi.org/10.21776/ub.rekayasasipil.2022.016.02.9","url":null,"abstract":"The existence of a flood inundation rapid map is needed in flood mitigation. This research is intended to map flood inundation quickly by utilizing satellite image technology. Sentinel 2 Level 1C technology uses before and after the flood. The extraction process uses the methods of NDWI (Normalized Difference Water Index) and MNDWI (Modified Normalized Difference Water Index). The result is treated with a threshold value by dividing the pixel value into flooded and unflooded areas. The performance model shows that the MNDWI method is more accurate than the NDWI method in producing flood inundation maps. Thus, the results of the MNDWI method are practical and able to map flood inundation quickly.","PeriodicalId":31886,"journal":{"name":"Rekayasa Sipil","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74281128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Semi Quantitative and Quantitative Analysis of Rockslides at Ponorogo – Pacitan Road Km 226 波诺罗戈-帕西坦公路226 Km滑坡的半定量和定量分析
Rekayasa Sipil Pub Date : 2022-05-12 DOI: 10.21776/ub.rekayasasipil.2022.016.01.6
Retno Puspa Rini, A. Rachmansyah, E. Suryo
{"title":"Semi Quantitative and Quantitative Analysis of Rockslides at Ponorogo – Pacitan Road Km 226","authors":"Retno Puspa Rini, A. Rachmansyah, E. Suryo","doi":"10.21776/ub.rekayasasipil.2022.016.01.6","DOIUrl":"https://doi.org/10.21776/ub.rekayasasipil.2022.016.01.6","url":null,"abstract":"Rock avalanches is one of the problems that is often faced along the Ponorogo - Pacitan road. The research location was at KM 226 which is located at coordinates 111°22'14.39\" East Longitude and 08°01'14.73\" South Latitude. Semi quantitative analysis was conducted by using Geology Strength Index method, that is based on field identification. The quantitative slope stability analysis was used Rocscience software consisting of Roclab and Rocplane used the Hoek and Brown method. The classification results of  rock mass GSI obtained value of 25 and was dacite rock type. The slope had angle of 75o and  height of 12 meters, safety factor (FK) of 1.065 was obtained which made the slope unstable, so prevention was done by changing the slope angle geometry based on variations of 75 o - 35 o, so that (FK) 35o = 1.52","PeriodicalId":31886,"journal":{"name":"Rekayasa Sipil","volume":"6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84362610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Identification of Road Condition Using Smartphone Roadroid Application Based on Correlation Method (Case Study: Bypass Lombok International Airport) 基于关联法的智能手机道路应用路况识别(以龙目岛机场旁路为例)
Rekayasa Sipil Pub Date : 2022-05-12 DOI: 10.21776/ub.rekayasasipil.2022.016.01.8
Kukuh Pratama, M. Arifin, A. Wicaksono
{"title":"The Identification of Road Condition Using Smartphone Roadroid Application Based on Correlation Method (Case Study: Bypass Lombok International Airport)","authors":"Kukuh Pratama, M. Arifin, A. Wicaksono","doi":"10.21776/ub.rekayasasipil.2022.016.01.8","DOIUrl":"https://doi.org/10.21776/ub.rekayasasipil.2022.016.01.8","url":null,"abstract":"A road is a land transportation infrastructure that plays an important role in regional development. Road feasibility assesses through road roughness. The purpose of this study is to assess the condition of road roughness based on the ASTM E 950-94. The technology used is a correlation-method-based Smartphone application called Roadroid. There were several types of data obtained, namely spatial data in the form of maps, visual data in the form of photos and videos, and numerical data in the form of IRI (International Roughness Index) values. Based on numerical data analysis, the indicated IRI values ranged from 2,01 to 2,13. These results represented that the Lombok International Airport Bypass road condition is currently in good and moderate condition.","PeriodicalId":31886,"journal":{"name":"Rekayasa Sipil","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80371239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Perubahan Nilai CBR Terhadap Penambahan Fly Ash dan Bottom Ash pada Tanah Lempung
Rekayasa Sipil Pub Date : 2022-05-12 DOI: 10.21776/ub.rekayasasipil.2022.016.01.3
S. A. Nugroho, Ferry ' Fatnanta, M. Lembasi
{"title":"Perubahan Nilai CBR Terhadap Penambahan Fly Ash dan Bottom Ash pada Tanah Lempung","authors":"S. A. Nugroho, Ferry ' Fatnanta, M. Lembasi","doi":"10.21776/ub.rekayasasipil.2022.016.01.3","DOIUrl":"https://doi.org/10.21776/ub.rekayasasipil.2022.016.01.3","url":null,"abstract":"Clay soil has a characteristic that is wet, it will be soft and plastic and cohesive. To overcome this problem, clay soil with high plasticity needs stabilization. The stabilization method using additives such as chalk, fly ash and bottom ash can be used as a stabilization material to increase the carrying capacity of high plasticity clay. This study is commended to know the behavior of high plasticity clay which is stabilized with lime, fly ash and bottom ash. Increased crease of the stabilized clay soil is seen from the CBR test. CBR testing is done under curing conditions for 0, 14, and 28 days and soaking for 0 and 4 days. The results showed that the CBR value increased with duration of curing and decreased throughout the duration of immersion. Then the CBR value increases with the addition of lime percentage and each mixture in a mixture variation. The highest CBR value occurred in soil L 5% + MS5 95% with a CBR value of 75.37% under conditions for 28 days of curing and 4 days of immersion. The lowest CBR value occurs in soil L 5% + MS2 95% with a CBR value of 12.85% in conditions without curing and without immersion.","PeriodicalId":31886,"journal":{"name":"Rekayasa Sipil","volume":"15 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88044561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An Analysis of Critical Slopes Stability in Bendosari Village, Pujon, Malang Due to The Effect of Rainwater Infiltration 雨水入渗影响下玛琅普戎Bendosari村临界边坡稳定性分析
Rekayasa Sipil Pub Date : 2022-05-12 DOI: 10.21776/ub.rekayasasipil.2022.016.01.7
Nindia Rizky Ismawan, E. Suryo, A. Rachmansyah
{"title":"An Analysis of Critical Slopes Stability in Bendosari Village, Pujon, Malang Due to The Effect of Rainwater Infiltration","authors":"Nindia Rizky Ismawan, E. Suryo, A. Rachmansyah","doi":"10.21776/ub.rekayasasipil.2022.016.01.7","DOIUrl":"https://doi.org/10.21776/ub.rekayasasipil.2022.016.01.7","url":null,"abstract":"A disaster is an incident which threatens and disrupts life. This research was purposed to determine the critical slope stability in Bendosari Village, Pujon due to rainwater infiltration. This research was conducted through ground laboratory test to investigate the type and characteristic of the soil, which then followed by testing of the geo-electric and topography to investigate the existing condition and the ground water level on the critical slopes and analyzed safety factor (SF) using SLOPE/ W for slope with rainwater infiltration effect. The analysis results proved that rainwater infiltration in both conditions could reduce the SF (Safety Factor) value. This is because the water content in the soil increased the pore water pressure. In addition, high water content in the soil reduced the soil shear strength","PeriodicalId":31886,"journal":{"name":"Rekayasa Sipil","volume":"280 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86386526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Perilaku Pondasi Tiang Pancang Tunggal Akibat Beban Gempa pada Lokasi Sekitar Pendaratan Ikan Puger Jember 在Puger Jember登陆附近，由地震负荷引起的单一桩桩行为
Rekayasa Sipil Pub Date : 2022-05-12 DOI: 10.21776/ub.rekayasasipil.2022.016.01.10
Arief Alihudien, Ilanka Cahya Dewi
{"title":"Perilaku Pondasi Tiang Pancang Tunggal Akibat Beban Gempa pada Lokasi Sekitar Pendaratan Ikan Puger Jember","authors":"Arief Alihudien, Ilanka Cahya Dewi","doi":"10.21776/ub.rekayasasipil.2022.016.01.10","DOIUrl":"https://doi.org/10.21776/ub.rekayasasipil.2022.016.01.10","url":null,"abstract":"Puger adalah salah satu wilayah di Jember yang merupakan kawasan tepi pantai selatan yang menghasilkan banyak ikan. Selain dibangun dermaga sebagai pusat pendaratan ikan juga dibangun beberapa infrastruktur pendukung seperti gedung, jalan dan jembatan.  Keberadaan puger dipantai selatan tentunya berdekatan dengan pertemuan lempeng besar dunia yaitu Euroasia dan Australia, dengan demikian dampak yang pasti terjadi adalah gempa bumi akibat pergeseran lempeng. Sehingga, infrastruktur harus dibangun tahan terhadap beban dinamis akibat gempa. Bagian penting pada suatu struktur bangunan adalah pondasi. Pondasi harus didesain tahan terhadap beban gempa. Oleh karena itu, pendalaman terhadap perilaku struktur pondasi akibat beban gempa perlu dikaji. Adapun yang menjadi tujuan dalam penelitian ini adalah mendapatkan gambaran bagaimana perilaku pondasi tiang pancang yang dikenai beban vertikal dan selanjutnya mendapatkan beban gempa. Metode penelitian dilakukan dengan pengujian dan pengambilan sampel di lokasi melalui uji Standart Penetration Test (SPT) dan uji sampel undisturb di laboratorium. Selanjutnya, melakukan analisa prilaku pondasi tiang pancang akibat beban gempa dengan bantuan software PLAXIS 2D. Hasil analisa menunjukkan bahwa kenaikan frekwensi getaran gempa yang diberikan akan menaikan deformasi total pondasi tiang.","PeriodicalId":31886,"journal":{"name":"Rekayasa Sipil","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83638605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Beton dengan Substitusi Semen Berbasis Terak Nikel 镍基水泥替换混凝土
Rekayasa Sipil Pub Date : 2022-05-12 DOI: 10.21776/ub.rekayasasipil.2022.016.01.4
Nuroji Nuroji, S. Supriyadi, Han Ay Lie, Sie Alexander Patrick Subagyo
{"title":"Beton dengan Substitusi Semen Berbasis Terak Nikel","authors":"Nuroji Nuroji, S. Supriyadi, Han Ay Lie, Sie Alexander Patrick Subagyo","doi":"10.21776/ub.rekayasasipil.2022.016.01.4","DOIUrl":"https://doi.org/10.21776/ub.rekayasasipil.2022.016.01.4","url":null,"abstract":"This research studied the effect of nickel-based cement substitution in concrete to analyze its behavior. The percentage of substituted nickel-slag was 10%, 20% and 30% to the cement weight. The mechanical properties studied were the compression f'c and tensile fMR stresses at the ages of 14, 28, 42 and 56 days. The data were analyzed and the visual observation of the fractured plans were addressed to determine the failure modes. The research concluded that the nickel-slag cement reduced both the compressive and tensile strength as a function of the substituted content, the decrease process followed a linear path. It was found that the strength of nickel-slag concrete cannot be defined at 28 days due to a prolonged chemical process.","PeriodicalId":31886,"journal":{"name":"Rekayasa Sipil","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73487833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Landslides Mechanism Analysis at Km 258 Ponorogo – Pacitan Road 波诺罗戈-太平洋公路258公里滑坡成因分析
Rekayasa Sipil Pub Date : 2022-05-12 DOI: 10.21776/ub.rekayasasipil.2022.016.01.9
Miftahul Avidatur Rohmah, A. Rachmansyah, Harimurti Harimurti
{"title":"Landslides Mechanism Analysis at Km 258 Ponorogo – Pacitan Road","authors":"Miftahul Avidatur Rohmah, A. Rachmansyah, Harimurti Harimurti","doi":"10.21776/ub.rekayasasipil.2022.016.01.9","DOIUrl":"https://doi.org/10.21776/ub.rekayasasipil.2022.016.01.9","url":null,"abstract":"One of the locations where landslides occurred on the Pacitan - Ponorogo route was at KM 258 in December 2017. At that location there are 3 adjacent slope segments, the first segment and the second segment had landslides, to prevent landslide at the third segment investigation was carried out on  the slope. Kinematics analysis method was used using the DIPS program to determine the slope failure type and to obtain the circular failure type. The weighting of RMR rock mass on the slopes studied obtained value of 52 (class III) where the rock type is moderate, and the correlation with the SMR on class III RMR rocks is the recommended slope angle of 55°. After slope stability simulation at angles of 80°, 75°, 70°, 65°, 60° to 55°, the effective angle is 70° with an FS value of 1.6.","PeriodicalId":31886,"journal":{"name":"Rekayasa Sipil","volume":"23 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85580294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analisis Perkuatan Lereng Akibat Longsor di Desa Dompyong 对东陵山体滑坡造成的斜坡分析
Rekayasa Sipil Pub Date : 2022-05-12 DOI: 10.21776/ub.rekayasasipil.2022.016.01.2
Endah Nurhidayah, Paksitya Purnama Putra, Indra Nurtjahjaningtyas
{"title":"Analisis Perkuatan Lereng Akibat Longsor di Desa Dompyong","authors":"Endah Nurhidayah, Paksitya Purnama Putra, Indra Nurtjahjaningtyas","doi":"10.21776/ub.rekayasasipil.2022.016.01.2","DOIUrl":"https://doi.org/10.21776/ub.rekayasasipil.2022.016.01.2","url":null,"abstract":"An unstable slope is identical to the low value of their factor of safety (FS). Slope with low FS are in critical condition, which can cause landslides. On the other hand, the presence of triggering factor such as rain and human activities will increase the percentage of landslide. It has happened in Dompyong village. The Rocscience Slide Program, used to analyze slope stability in Dompyong village based on the simplified – bishop method. Based on the analysis, the FS value of the initial condition of slope is 0,85. Therefore, the slope is in critical condition because the FS value is less than 1,07. A combination method of retaining wall and micropiles is used to strengthen slope stability. This method can increase the FS value to 1,370. The slope is in a stable condition relatively because the FS value is more than 1,25.","PeriodicalId":31886,"journal":{"name":"Rekayasa Sipil","volume":"16 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82654985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Services Performance Analysis for Online Transportation and Public Transportation in Kupang City 姑邦市网上交通与公共交通服务绩效分析
Rekayasa Sipil Pub Date : 2022-05-12 DOI: 10.21776/ub.rekayasasipil.2022.016.01.5
Andy Agung Wahyu Utama, A. Wicaksono, L. Djakfar
{"title":"Services Performance Analysis for Online Transportation and Public Transportation in Kupang City","authors":"Andy Agung Wahyu Utama, A. Wicaksono, L. Djakfar","doi":"10.21776/ub.rekayasasipil.2022.016.01.5","DOIUrl":"https://doi.org/10.21776/ub.rekayasasipil.2022.016.01.5","url":null,"abstract":"This study intends to determine the service performance of online transportation and public minibus transportation in Kupang city, using the Importance Performance Analysis (IPA) method. From the research results, there are several variables related to the performance of online transportation that falls into the \"low priority\" category, namely the availability of light fire extinguishers, cleanliness facilities, and affordability of the price. As for public minibus, there are several variables that fall into the \"top priority\" category, namely the identity of the driver and the behavior of the driver and vehicle crew. Some variables fall into the “low priority†category, namely safety equipment, health facilities and stop times at the terminals.","PeriodicalId":31886,"journal":{"name":"Rekayasa Sipil","volume":"96 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86090046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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