Pub Date : 2022-12-31DOI: 10.31851/deformasi.v7i2.8237
Evrid Oktobrianto Eka Putra, S. Gandi, F. Sarie
The problems in the soil is often an obstacle in a construction activity, one of which is land subsidence. The purpose of this study was to analyze the physical and mechanical properties of clay soil and to analyze value of bearing capacity soil and value of settlement consolidation of the clay after grouting. Soil improvement method in this study is grouting using portland cement and activated lime. Variations will be used are 2 points grouting combination of cement and lime (d = 1 cm) and 4 points grouting combination of cement and lime (d = 0,75 cm). Point diameters are made different so that the total surface area of the sample is same. All samples will be cured for 3 days. The results of physical test, based on AASHTO classification, the soil is in group A-7-6 (6) (clay soil) with moderate to bad condition and USCS system soil is in the CL group. The results of clay soil consolidation test without grouting, Sc = 0,243 cm. Variation 2 points combined grouting, Sc = 0,174 cm and variation 4 points combined grouting, Sc = 0,159 cm. Value bearing capacity of clay without grouting (q ult ) = 4,9053 kg/cm 2 . Variation 2 points combined grouting, the value of bearing capacity (q ult ) = 7,8070 kg/cm 2 and variations 4 points combined grouting, value of bearing capacity (q ult ) = 12,9126 kg/cm 2 . From the test results, it can be concluded that grouting increases the value of the bearing capacity and reduces the value settlement of clay soil.
{"title":"PENGARUH PENGGUNAAN BAHAN GROUTING KOMBINASI SEMEN DAN KAPUR PADA TANAH LEMPUNG TERHADAP NILAI DAYA DUKUNG DAN PENURUNAN","authors":"Evrid Oktobrianto Eka Putra, S. Gandi, F. Sarie","doi":"10.31851/deformasi.v7i2.8237","DOIUrl":"https://doi.org/10.31851/deformasi.v7i2.8237","url":null,"abstract":"The problems in the soil is often an obstacle in a construction activity, one of which is land subsidence. The purpose of this study was to analyze the physical and mechanical properties of clay soil and to analyze value of bearing capacity soil and value of settlement consolidation of the clay after grouting. Soil improvement method in this study is grouting using portland cement and activated lime. Variations will be used are 2 points grouting combination of cement and lime (d = 1 cm) and 4 points grouting combination of cement and lime (d = 0,75 cm). Point diameters are made different so that the total surface area of the sample is same. All samples will be cured for 3 days. The results of physical test, based on AASHTO classification, the soil is in group A-7-6 (6) (clay soil) with moderate to bad condition and USCS system soil is in the CL group. The results of clay soil consolidation test without grouting, Sc = 0,243 cm. Variation 2 points combined grouting, Sc = 0,174 cm and variation 4 points combined grouting, Sc = 0,159 cm. Value bearing capacity of clay without grouting (q ult ) = 4,9053 kg/cm 2 . Variation 2 points combined grouting, the value of bearing capacity (q ult ) = 7,8070 kg/cm 2 and variations 4 points combined grouting, value of bearing capacity (q ult ) = 12,9126 kg/cm 2 . From the test results, it can be concluded that grouting increases the value of the bearing capacity and reduces the value settlement of clay soil.","PeriodicalId":403329,"journal":{"name":"Jurnal Deformasi","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122515367","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}
Pub Date : 2022-12-31DOI: 10.31851/deformasi.v7i2.8603
Ovit Yuvita Dewi, Okrobianus Hendri, F. Sarie
This study aims to determine the physical and mechanical properties of clay, analyze the relationship between the liquid limit and plasticity index to the cohesion value (c) of soil that has been given a mixture of sand
本研究旨在确定粘土的物理力学特性，分析掺砂后土的液限和塑性指数与粘聚值(c)的关系
{"title":"Hubungan Batas Cair Dan Indeks Plastisitas Tanah Lempung Disubstitusi Pasir Terhadap Nilai Kohesi Tanah Pada Uji Geser Langsung","authors":"Ovit Yuvita Dewi, Okrobianus Hendri, F. Sarie","doi":"10.31851/deformasi.v7i2.8603","DOIUrl":"https://doi.org/10.31851/deformasi.v7i2.8603","url":null,"abstract":"This study aims to determine the physical and mechanical properties of clay, analyze the relationship between the liquid limit and plasticity index to the cohesion value (c) of soil that has been given a mixture of sand","PeriodicalId":403329,"journal":{"name":"Jurnal Deformasi","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116816786","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}
The use of bricks as a building material is more profitable than the use of bricks because bricks are easier and faster to install. Temperature resistance (heat) is one that affects the quality of bricks. One way to increase the heat resistance (temperature) of adobe bricks is to add a mixture of its manufacture, one of which is rice husk. Rice husk has the potential to increase heat resistance because it contains silica. Rice husk waste is mostly obtained from agriculture in the community, but the use of rice husk waste in bricks is still very less.. This study aims to analyze the temperature damping on adobe bricks with a mixture of rice husks. The method used is an experimental approach that begins with a survey of rice husk waste locations and sampling of rice husks at the Pegayut rice mill. The next stage was carried out experimentally in the laboratory. The bricks used were mixed with rice husk variations of 0.1, 0.2 and 0.3 of the composition used for cement. Research has been carried out to determine the attenuation of heat in bricks by placing a heating device on one side of the bricks and then measuring the temperature and on the other side after varying the time from 0 minutes to 15 minutes with with a time span of 5 minutes each. The results of the study showed that the greatest temperature attenuation was in bricks with a mixture of 30% rice husk at 5 minutes the damping time was 75.025 o C, 10 minutes at 79.282 o C and 15 minutes at 82.275 o C. Based on the factorial analysis, the 30% rice husk mixture is the brick with the best temperature damping..
{"title":"Kemampuan Variasi Campuran Sekam Padi Pada Batako Terhadap Peredaman Suhu","authors":"Parmin lumban Toruan, Heru Prasetio, Rahmawati Rahmawati","doi":"10.31851/deformasi.v7i2.9176","DOIUrl":"https://doi.org/10.31851/deformasi.v7i2.9176","url":null,"abstract":"The use of bricks as a building material is more profitable than the use of bricks because bricks are easier and faster to install. Temperature resistance (heat) is one that affects the quality of bricks. One way to increase the heat resistance (temperature) of adobe bricks is to add a mixture of its manufacture, one of which is rice husk. Rice husk has the potential to increase heat resistance because it contains silica. Rice husk waste is mostly obtained from agriculture in the community, but the use of rice husk waste in bricks is still very less.. This study aims to analyze the temperature damping on adobe bricks with a mixture of rice husks. The method used is an experimental approach that begins with a survey of rice husk waste locations and sampling of rice husks at the Pegayut rice mill. The next stage was carried out experimentally in the laboratory. The bricks used were mixed with rice husk variations of 0.1, 0.2 and 0.3 of the composition used for cement. Research has been carried out to determine the attenuation of heat in bricks by placing a heating device on one side of the bricks and then measuring the temperature and on the other side after varying the time from 0 minutes to 15 minutes with with a time span of 5 minutes each. The results of the study showed that the greatest temperature attenuation was in bricks with a mixture of 30% rice husk at 5 minutes the damping time was 75.025 o C, 10 minutes at 79.282 o C and 15 minutes at 82.275 o C. Based on the factorial analysis, the 30% rice husk mixture is the brick with the best temperature damping..","PeriodicalId":403329,"journal":{"name":"Jurnal Deformasi","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125364659","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}
Pub Date : 2022-12-31DOI: 10.31851/deformasi.v7i2.9385
Erny Agusri, Sri Martini, Aji Aprilyansah
Irrigation is an effort to provide and regulate water to support agriculture whose types include surface irrigation, swamp irrigation, underground water irrigation, construction of irrigation canals, so that the availability of water in the Irrigation Area will be fulfilled even though the Irrigation Area is far from surface water sources (rivers). or lake). Planning an irrigation system, the first thing that needs to be done is a hydrological analysis using the Modified Penman method including the water demand in the fields (GFR), the demand for water intake (DR), the clean water requirement in the fields (NFR) as well as the water availability factor which is calculated using FJ Mock method. The hydrological analysis of water demand in the Sumberejo irrigation area aims to determine whether the availability of water is sufficient to irrigate the Sumberejo irrigation area which covers an area of 42.37 Ha. The results of the calculation analysis, it is known that the water requirement for an area of 42.37 Ha, the water discharge in the 1st planting season is 0.16 m3/s, while the water requirement is 0.04 m3/s. the existing water discharge in the 2nd planting season is 0.05 m3/s, while the water requirement is 0.06 m3/s. The determination of the rice-paddy cropping pattern for the first planting season begins in April I and the second planting season begins in August II. Based on the results of the calculation of water needs in the second planting season has not been met.
{"title":"ANALISA KETERSEDIAAN AIR IRIGASI DALAM MEMENUHI KEBUTUHAN AIR PERSAWAHAN DESA SUMBERJO KABUPATEN PALI","authors":"Erny Agusri, Sri Martini, Aji Aprilyansah","doi":"10.31851/deformasi.v7i2.9385","DOIUrl":"https://doi.org/10.31851/deformasi.v7i2.9385","url":null,"abstract":"Irrigation is an effort to provide and regulate water to support agriculture whose types include surface irrigation, swamp irrigation, underground water irrigation, construction of irrigation canals, so that the availability of water in the Irrigation Area will be fulfilled even though the Irrigation Area is far from surface water sources (rivers). or lake). Planning an irrigation system, the first thing that needs to be done is a hydrological analysis using the Modified Penman method including the water demand in the fields (GFR), the demand for water intake (DR), the clean water requirement in the fields (NFR) as well as the water availability factor which is calculated using FJ Mock method. The hydrological analysis of water demand in the Sumberejo irrigation area aims to determine whether the availability of water is sufficient to irrigate the Sumberejo irrigation area which covers an area of 42.37 Ha. The results of the calculation analysis, it is known that the water requirement for an area of 42.37 Ha, the water discharge in the 1st planting season is 0.16 m3/s, while the water requirement is 0.04 m3/s. the existing water discharge in the 2nd planting season is 0.05 m3/s, while the water requirement is 0.06 m3/s. The determination of the rice-paddy cropping pattern for the first planting season begins in April I and the second planting season begins in August II. Based on the results of the calculation of water needs in the second planting season has not been met.","PeriodicalId":403329,"journal":{"name":"Jurnal Deformasi","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131657307","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}
Pub Date : 2022-12-31DOI: 10.31851/deformasi.v7i2.9056
Daniel Mandala Putra
{"title":"Penyebab Keterlambatan Dalam Pelaksanaan Gedung Sekolah Bertingkat Di Serang","authors":"Daniel Mandala Putra","doi":"10.31851/deformasi.v7i2.9056","DOIUrl":"https://doi.org/10.31851/deformasi.v7i2.9056","url":null,"abstract":"","PeriodicalId":403329,"journal":{"name":"Jurnal Deformasi","volume":"166 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131824536","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}
Pub Date : 2022-12-31DOI: 10.31851/deformasi.v7i2.8082
R. Riandi, N. Novalia, Albert Kurniawan Purnomo
Airport is one of the public places, as a place for flights, landing
机场是公共场所之一，作为飞行、降落的场所
{"title":"EVALUASI PEMELIHARAAN RUNWAY DI BANDAR UDARA HUSEIN SASTRANEGARA BANDUNG","authors":"R. Riandi, N. Novalia, Albert Kurniawan Purnomo","doi":"10.31851/deformasi.v7i2.8082","DOIUrl":"https://doi.org/10.31851/deformasi.v7i2.8082","url":null,"abstract":"Airport is one of the public places, as a place for flights, landing","PeriodicalId":403329,"journal":{"name":"Jurnal Deformasi","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134485896","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}
Pub Date : 2022-12-31DOI: 10.31851/deformasi.v7i2.9585
Juliono Susanto, Sartika Nisumanti, Khodijah Al qubro
Airports are an important role in improving the level of the regional economy, especially the communities around the airport. Sultan Mahmud Badaruddin II Airport is one of the air terminals located in Palembang City which experienced a decrease in passengers due to COVID-19. The purpose of this research is to analyze the number of passenger aircraft capacity and to determine the effect of the COVID-19 pandemic on the number of passengers at the Sultan Mahmud Badaruddin II air terminal. The analytical methods used in this study are quantitative analysis and direct review to calculate the volume movement of passenger aircraft. The results of the runway analysis at the SMB II International air terminal in the current conditions in July 2022 have increased by 83.33% compared to conditions during the COVID-19 pandemic In July 2020, during the COVID-19 pandemic there were 12 aircraft operations that took off and landing in one day, while at this time as many as 22 aircraft operations carried out takeoffs and landings in one day.
{"title":"Analisis Kapasitas Landasan Pacu (Runway) Bandar Udara Internasional Sultan Mahmud Badaruddin II Terhadap Jumlah Penumpang Pada Masa Pandemi Covid-19","authors":"Juliono Susanto, Sartika Nisumanti, Khodijah Al qubro","doi":"10.31851/deformasi.v7i2.9585","DOIUrl":"https://doi.org/10.31851/deformasi.v7i2.9585","url":null,"abstract":"Airports are an important role in improving the level of the regional economy, especially the communities around the airport. Sultan Mahmud Badaruddin II Airport is one of the air terminals located in Palembang City which experienced a decrease in passengers due to COVID-19. The purpose of this research is to analyze the number of passenger aircraft capacity and to determine the effect of the COVID-19 pandemic on the number of passengers at the Sultan Mahmud Badaruddin II air terminal. The analytical methods used in this study are quantitative analysis and direct review to calculate the volume movement of passenger aircraft. The results of the runway analysis at the SMB II International air terminal in the current conditions in July 2022 have increased by 83.33% compared to conditions during the COVID-19 pandemic In July 2020, during the COVID-19 pandemic there were 12 aircraft operations that took off and landing in one day, while at this time as many as 22 aircraft operations carried out takeoffs and landings in one day.","PeriodicalId":403329,"journal":{"name":"Jurnal Deformasi","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131355071","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}
Pub Date : 2022-12-31DOI: 10.31851/deformasi.v7i2.9387
Adji Sutama, Nurnilam Oemiati
Geopolymer lightweight concrete is an environmentally friendly concrete because the manufacturing process utilizes natural precursors and/or wastes such as kaolin, fly ash, and other pozzolans. This geopolymer lightweight concrete is also an innovative type of concrete that combines the advantages of lightweight concrete and geopolymer concrete. This study used materials consisting of precursors, alkaline activator solution, fine aggregate, superplasticizer
{"title":"STUDI MIKROSTRUKTUR BETON RINGAN GEOPOLIMER DENGAN SCANNING ELECTRON MICROSCOPE (SEM) DAN X-RAY DIFFRACTION (XRD)","authors":"Adji Sutama, Nurnilam Oemiati","doi":"10.31851/deformasi.v7i2.9387","DOIUrl":"https://doi.org/10.31851/deformasi.v7i2.9387","url":null,"abstract":"Geopolymer lightweight concrete is an environmentally friendly concrete because the manufacturing process utilizes natural precursors and/or wastes such as kaolin, fly ash, and other pozzolans. This geopolymer lightweight concrete is also an innovative type of concrete that combines the advantages of lightweight concrete and geopolymer concrete. This study used materials consisting of precursors, alkaline activator solution, fine aggregate, superplasticizer","PeriodicalId":403329,"journal":{"name":"Jurnal Deformasi","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130582492","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}
Pub Date : 2022-12-31DOI: 10.31851/deformasi.v7i2.9646
Ferry Desromi, Y. Putri, O. Wijaya
{"title":"Penggunaan Program Hec-Ras Dalam Pengendalian Banjir Sungai","authors":"Ferry Desromi, Y. Putri, O. Wijaya","doi":"10.31851/deformasi.v7i2.9646","DOIUrl":"https://doi.org/10.31851/deformasi.v7i2.9646","url":null,"abstract":"","PeriodicalId":403329,"journal":{"name":"Jurnal Deformasi","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124233159","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}
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