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Studi Komparasi Dampak Lingkungan Produksi Campuran Aspal Hangat Modifikasi Polimer EVA dengan Campuran Aspal Panas Skala Laboratorium Menggunakan Life Cycle Assessment (LCA) 用生命周期评估(LCA)对热沥青混合物生产环境影响的比较研究
Teknik Pub Date : 2023-05-31 DOI: 10.14710/teknik.v44i1.52052
Christian Gerald Daniel, Khairina Canny, Fadhil Muhammad Firdaus, Darren Benedict Iskandar
{"title":"Studi Komparasi Dampak Lingkungan Produksi Campuran Aspal Hangat Modifikasi Polimer EVA dengan Campuran Aspal Panas Skala Laboratorium Menggunakan Life Cycle Assessment (LCA)","authors":"Christian Gerald Daniel, Khairina Canny, Fadhil Muhammad Firdaus, Darren Benedict Iskandar","doi":"10.14710/teknik.v44i1.52052","DOIUrl":"https://doi.org/10.14710/teknik.v44i1.52052","url":null,"abstract":"","PeriodicalId":30795,"journal":{"name":"Teknik","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42696832","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
Deteksi Kerusakan Jalan Menggunakan Pengolahan Citra Deep Learning di Kota Semarang 使用三宝垄深度学习图像处理，检测道路损坏情况
Teknik Pub Date : 2023-05-31 DOI: 10.14710/teknik.v44i1.51908
Bandi Sasmito, Bagus Hario Setiadji, R. Isnanto
{"title":"Deteksi Kerusakan Jalan Menggunakan Pengolahan Citra Deep Learning di Kota Semarang","authors":"Bandi Sasmito, Bagus Hario Setiadji, R. Isnanto","doi":"10.14710/teknik.v44i1.51908","DOIUrl":"https://doi.org/10.14710/teknik.v44i1.51908","url":null,"abstract":"[Title: Road Damage Detection Using Deep Learning Image Processing in Semarang City] Roads are a crucial necessity in community activities. They facilitate transportation access from a particular place to the destination. Furthermore, roads are important as land transportation infrastructure for both people and goods. However, inadequate road conditions can lead to accidents. Tracking road conditions is challenging due to the large number of roads that need to be inspected. This research utilizes remote sensing principles with Deep Learning Artificial Neural Network technology. YOLO (You Only Look Once) is employed for road damage detection. The detection results are enhanced with precise positioning or location using the Global Navigation Satellite System (GNSS), allowing for accurate detection results. This study produces a road damage identification model with an overall accuracy of 88% and a kappa accuracy of 86%, as well as location distribution of damages with positional coordinates accuracy of ±5.6 meters (RMSE).","PeriodicalId":30795,"journal":{"name":"Teknik","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44171923","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
Metode Weight In Motion (WIM) dalam Menentukan Indikator Utama Penyebab Kongesti Perjalanan Truk Petikemas dari Pelabuhan Tanjung Emas ke Wilayah Hinterland 确定黄金边界港至内陆卡车Petikemas拥堵主要指标的动态加权法
Teknik Pub Date : 2023-05-31 DOI: 10.14710/teknik.v44i1.50957
Edward Danner Napitupulu, M. Y. Jinca, B. Riyanto
{"title":"Metode Weight In Motion (WIM) dalam Menentukan Indikator Utama Penyebab Kongesti Perjalanan Truk Petikemas dari Pelabuhan Tanjung Emas ke Wilayah Hinterland","authors":"Edward Danner Napitupulu, M. Y. Jinca, B. Riyanto","doi":"10.14710/teknik.v44i1.50957","DOIUrl":"https://doi.org/10.14710/teknik.v44i1.50957","url":null,"abstract":"[Title: Determining the Main Indicators Causing Congestion of Container Truck Trip from Tanjung Emas Port to the Hinterland Region By Weight In Motion (WIM) Method] The fluency of container traffic, especially from the port to the hinterland location and return, is the hope of all parties involved. There needs to be synergy between the interaction of the components of the transportation system between ports, road facilities","PeriodicalId":30795,"journal":{"name":"Teknik","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45219623","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
Perbaikan Kualitas Energi Biomassa Kayu Jati Menggunakan Torefaksi Microwave Untuk Produksi Bioarang 利用微波效应提高木材生物质的能源质量
Teknik Pub Date : 2023-05-29 DOI: 10.14710/teknik.v44i1.48278
L. K. Mangalla, Raden Rinova Sisworo, Luther Pagiling
{"title":"Perbaikan Kualitas Energi Biomassa Kayu Jati Menggunakan Torefaksi Microwave Untuk Produksi Bioarang","authors":"L. K. Mangalla, Raden Rinova Sisworo, Luther Pagiling","doi":"10.14710/teknik.v44i1.48278","DOIUrl":"https://doi.org/10.14710/teknik.v44i1.48278","url":null,"abstract":"[Title: Improvement of Teakwood Biomass Energy Quality Using Microwave Torrefaction For Biochar Production] This study focused on upgrading the waste teakwood through microwave torrefaction processes and investigating the critical operating parameters to improve energy density and energy efficiency for better feedstock in producing the quality of biochar fuel. The experiments were carried out in a 250 mL reactor placed in a microwave cavity on two different media, inert and non-inert. The microwave was operated at a frequency of 2.45GHz with power level variations of 540W, 720W, and 900W, respectively. During torrefaction processes, the nitrogen gas flows into the reactor at a rate of 0.125 mL/min, and the air medium (non-inert) is activated naturally. Observations were conducted on the temperature inside the reactor every 0.5 minutes for 20 minutes using a K-Type thermocouple. Changes in the mass and the properties of the torrefied products were observed and analyzed to predict the correlation between calorific value, mass and energy yield, and level power of the microwave. The results showed that with the increased operating power of microwave torrefaction, the calorific value and energy density of product material increased significantly. In contrast, the mass and energy yield tended to decrease. Air has great potential as a substitute media for the expensive nitrogen gas to perform the microwave torrefaction of waste teakwood biomass.","PeriodicalId":30795,"journal":{"name":"Teknik","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44118290","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
Mechanical Performance Analysis of Geopolymer Concrete using Fly Ash Tanjung Jati B for Sustainable Construction Materials 可持续建筑材料丹戎加提B粉煤灰地聚合物混凝土力学性能分析
Teknik Pub Date : 2023-05-29 DOI: 10.14710/teknik.v44i1.52958
B. R. Indriyantho, P. Purwanto, R. Riko
{"title":"Mechanical Performance Analysis of Geopolymer Concrete using Fly Ash Tanjung Jati B for Sustainable Construction Materials","authors":"B. R. Indriyantho, P. Purwanto, R. Riko","doi":"10.14710/teknik.v44i1.52958","DOIUrl":"https://doi.org/10.14710/teknik.v44i1.52958","url":null,"abstract":"The use of concrete as the primary building construction material caused serious problems in the construction industry. Concrete is not regarded as an environmentally friendly material since the use of cement results in high carbon emissions during the manufacturing process. One effort to replace cement without reducing concrete strength is to use fly ash as a concrete ingredient, which is known as geopolymer concrete. The goal of this research was to determine the basic mechanical properties of geopolymer concrete and compare it to conventional concrete with the same material proportions. The mix design of the three different proportions with the ratio of aggregates to binder as 70% : 30%, 60% : 40% and 50% : 50% was maintained such that the concrete mix has a good workability. As a result, the so-called workable fly ash-based geopolymer concrete has higher compressive strength, splitting tensile strength, and modulus of elasticity compared to conventional concrete, while its Poisson's ratio is slightly lower.","PeriodicalId":30795,"journal":{"name":"Teknik","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48334688","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
Pengaruh Variasi Temperatur Solution Treatment pada Kekerasan dan Presipitat Paduan Co-30Cr-5Mo-0,32C-0,23N Co-30Cr-5Mo-0.32C-0.23N单元暴力预浸温度溶液处理变化改进剂
Teknik Pub Date : 2023-05-29 DOI: 10.14710/teknik.v44i1.49496
Fendy Rokhmanto, Malau Daniel Panghihutan, Ariani Pradhita Putri, B. T. Prayoga, Ika Kartika, Aprilia Erryani, Made Subekti Dwijaya, Galih Senopati, Albertus Deny Heri Setyawan, Cahya Sutowo
{"title":"Pengaruh Variasi Temperatur Solution Treatment pada Kekerasan dan Presipitat Paduan Co-30Cr-5Mo-0,32C-0,23N","authors":"Fendy Rokhmanto, Malau Daniel Panghihutan, Ariani Pradhita Putri, B. T. Prayoga, Ika Kartika, Aprilia Erryani, Made Subekti Dwijaya, Galih Senopati, Albertus Deny Heri Setyawan, Cahya Sutowo","doi":"10.14710/teknik.v44i1.49496","DOIUrl":"https://doi.org/10.14710/teknik.v44i1.49496","url":null,"abstract":"","PeriodicalId":30795,"journal":{"name":"Teknik","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46885929","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
Sifat Kekuatan Tarik dari Sambungan Tunggal Komposit Anyaman Serat Jute-Polypropylene dengan Metode Resistance Welding 电阻焊接法制备聚脂-聚丙烯复合材料的吸强性能
Teknik Pub Date : 2023-05-27 DOI: 10.14710/teknik.v44i1.41131
Ni Wayan, Mathias Sugiarti, Noviantoro, Gusti Ketut Sukadana, D. Gede, A. Subagia
{"title":"Sifat Kekuatan Tarik dari Sambungan Tunggal Komposit Anyaman Serat Jute-Polypropylene dengan Metode Resistance Welding","authors":"Ni Wayan, Mathias Sugiarti, Noviantoro, Gusti Ketut Sukadana, D. Gede, A. Subagia","doi":"10.14710/teknik.v44i1.41131","DOIUrl":"https://doi.org/10.14710/teknik.v44i1.41131","url":null,"abstract":"[Title: Single lap-joint Tension strength behavior of woven jute fiber-polypropylene (PP) matrix composites using resistance welding (RW) Method]. This paper examines the tensile strength of resistance welding (RW) joints of jute fibre-based composites polypropylene (PP) matrix (JFRP). The RW method using electric current flowing on nikelin wire carried out. The welding process for nikelin wire is varied, based on the diameter size of 0.3 mm and 0.5 mm. This study aims to investigate the strength of join using the RW method according to variations in diameter of the nikelin wire. Here, 5 times each sample tested repetition based on the ASTM D638 standard. Tensile testing was carried out on a Universal Testing Machine (UTM) with a cross-head speed of 3 mm/min, and a load cell of 5 kN. The experiment result shows that the JFRP in single lap bound with nikelin wire 0,5mm diameter has the highest tensile strength compared to nikelin wire 0.3mm diameter are 213.58 ±0.05 MPa dan 210.34 ±0.05 MPa, respectively. Meanwhile, Young’s Modulus of JFRP single-lap joint by using the nikelin wire 0,3mm diameter has a higher value than 0,5mm diameter of nikelin wire are 8.16 ±0.05 GPa dan 8.44 ±0.05 GPa, respectively. Then, the elongation at break of all JFRP sample have similar values of 4%. The conclusion shows that resistance weld is promising enough to bound the thermoplastic composites. In addition, the nikelin wire diameter is important to factor that influences the mechanical properties of joints.","PeriodicalId":30795,"journal":{"name":"Teknik","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42796890","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
Manajemen Komunikasi Proyek Konstruksi di Masa Pandemi Covid-19 Covid-19大流行时期建筑工程通信管理
Teknik Pub Date : 2023-05-14 DOI: 10.14710/teknik.v44i1.45512
I. Jaya, G. C. Hasibuan, D. M. Nasution
{"title":"Manajemen Komunikasi Proyek Konstruksi di Masa Pandemi Covid-19","authors":"I. Jaya, G. C. Hasibuan, D. M. Nasution","doi":"10.14710/teknik.v44i1.45512","DOIUrl":"https://doi.org/10.14710/teknik.v44i1.45512","url":null,"abstract":"[Title: Construction Project Communication Management During the Covid-19 Pandemic] The Committee Making Officer (CMO) is the government's envoy in construction activities, starting from planning, implementation, and supervision. Good communication management is needed to carry out activities to account for all project activities properly. This study uses a qualitative approach","PeriodicalId":30795,"journal":{"name":"Teknik","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46508020","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
Model Hidrogeologi Konseptual Untuk Estimasi Kapasitas Akuifer Pantai Gowa-Takalar, Sulawesi Selatan 估算南苏拉威西Gowa Takalar海岸含水层容量的概念水文地质模型
Teknik Pub Date : 2023-05-10 DOI: 10.14710/teknik.v44i1.34007
Muhammad Ramli, D. Djamaluddin, Meinarni Thamrin, Nirmana Fiqra Qaidahiyani
{"title":"Model Hidrogeologi Konseptual Untuk Estimasi Kapasitas Akuifer Pantai Gowa-Takalar, Sulawesi Selatan","authors":"Muhammad Ramli, D. Djamaluddin, Meinarni Thamrin, Nirmana Fiqra Qaidahiyani","doi":"10.14710/teknik.v44i1.34007","DOIUrl":"https://doi.org/10.14710/teknik.v44i1.34007","url":null,"abstract":"[Title: Hydrogeological Conceptual Model to Estimate Infiltration Capacity of Coastal Aquifer at Gowa-Takalar, South Sulawesi]. The Gowa-Takalar area is a coastal plain mainly composed of materials of alluvial and coastal deposits. The materials form an unconfined aquifer that has been intensively exploited since the 1990s. Groundwater chemistry data of the last two years indicates the effect of seawater intrusion into aquifers. The annual cycle of the rainy and dry seasons with the properties of the unconfined aquifer may become an essential condition to maintain the sustainability of groundwater resources in the region. Numerical modeling was performed using Visual MODFLOW Flex to evaluate aquifer capacity based on recharge capacity due to the season changes. The simulation results showed that the recharge into the Gowa-Takalar coastal aquifer system was dominated by the recharge from a river in July – September, while October – June by infiltration of rainwater.","PeriodicalId":30795,"journal":{"name":"Teknik","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45566678","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
Manifestasi Tangible dan Intangible Rumah Tradisional Minangkabau di Nagari Tuo Pariangan Kabupaten Tanah Datar
Teknik Pub Date : 2023-05-09 DOI: 10.14710/teknik.v44i1.49075
Rinaldi Mirsa, Muhammad Muhammad, H. a, Wiwi Anola Rosane
{"title":"Manifestasi Tangible dan Intangible Rumah Tradisional Minangkabau di Nagari Tuo Pariangan Kabupaten Tanah Datar","authors":"Rinaldi Mirsa, Muhammad Muhammad, H. a, Wiwi Anola Rosane","doi":"10.14710/teknik.v44i1.49075","DOIUrl":"https://doi.org/10.14710/teknik.v44i1.49075","url":null,"abstract":".","PeriodicalId":30795,"journal":{"name":"Teknik","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44604012","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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