EPI International Journal of Engineering最新文献_第10页

Study on Longitudinal Ship Strength Caused by the Placement of Beams and Girders on Upper Deck Side 上甲板梁、梁布置对船舶纵向强度影响的研究

EPI International Journal of Engineering Pub Date : 2018-11-20 DOI: 10.25042/EPI-IJE.082018.12

A. Ardianti, A. M. Nugraha, G. Sitepu, H. Hamzah, Ade Khantari, S. Baso

{"title":"Study on Longitudinal Ship Strength Caused by the Placement of Beams and Girders on Upper Deck Side","authors":"A. Ardianti, A. M. Nugraha, G. Sitepu, H. Hamzah, Ade Khantari, S. Baso","doi":"10.25042/EPI-IJE.082018.12","DOIUrl":"https://doi.org/10.25042/EPI-IJE.082018.12","url":null,"abstract":"The location of the beam and the deck girder of the ship can be effect on it is strength especially for the longitudinal strength due to the vertical wave bending moment. The objective of this study is to know the structural response of the ship due to vertical bending moment load on hogging and sagging conditions. The analysis is carried out by using Finite Element Method so-called ANSYSTM. The results shows that the stress occurring on the ship model with deck beam above the deck plate is larger than the ship model with deck beam under the deck plate. When the load with the variated of 0.2 x moment of vertical moment load, there is an increase of stress that occurs both on the deck area about 12% while on the bottom area about 0.98%. This study also conducted a stress comparison by using analysis methods with analytical methods. The results show that by the Stress differences that occur in the structure with the longitudinal deck beam and deck girder above are 14.1% on the deck and 7.1 on the bottom. Whereas in the structure with deck longitudinal deck eam and deck girder under there is a difference of 5.7% on the deck area and 3.5% in the bottom area of the ship. The stress that occur in both models have a difference that is not too far away and still under the permisible stress by the classification society so that both can be applied to the construction of a tanker.","PeriodicalId":387754,"journal":{"name":"EPI International Journal of Engineering","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132927849","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: 2

In Use of Permeable Groin for Reducing Longshore Sediment Transport at Tanjung Bayang Beach of South Sulawesi 利用透水沟减少南苏拉威西丹绒巴阳海滩岸沙输运

EPI International Journal of Engineering Pub Date : 2018-11-20 DOI: 10.25042/EPI-IJE.082018.11

H. Umar, S. Rahman, C. Paotonan, A. Y. Baeda

引用次数: 1

Model Test Ultimate Bearing Capacity of Bakau Piles Foundation on Soft Soil Deposit 软土地基上Bakau桩极限承载力模型试验

EPI International Journal of Engineering Pub Date : 2018-11-20 DOI: 10.25042/epi-ije.082018.15

M. Yunus

{"title":"Model Test Ultimate Bearing Capacity of Bakau Piles Foundation on Soft Soil Deposit","authors":"M. Yunus","doi":"10.25042/epi-ije.082018.15","DOIUrl":"https://doi.org/10.25042/epi-ije.082018.15","url":null,"abstract":"The pile foundation is one of the deep foundation types commonly used to support building loads when hard soil layers are deeply located. To determine the ultimate bearing capacity of a pile foundation of the load test results, there are several methods commonly used to interpretation test results such as Davisson method, Mazurkiewich method, Chin method, Buttler Hoy method and De Beer method. The aim of this study was to determine the characteristics of soft soil and bakau piles used in the study and to analyze the size of the bearing capacity ultimate of pile foundation that is modeled on a small scale in the laboratory. From the test results of material characteristics of the soil used is organic clay type with medium plasticity with specific gravity 2.75, liquid limit, LL = 50.36% and plasticity index, PI = 13.2%. While the results of testing the characteristics of bakau piles obtained average water content of 21.58%, tensile strength of 18.51 MPa, compressive strength of parallel fiber 23.75 MPa and perpendicular fiber 14.10 MPa, bending strength 106, 22 MPa, and strong split 29.91 MPa. From the result of loading test of the foundation model in the laboratory, it is found that the ultimate bearing capacity of the model without foundation is 41.00 kN with the ultimate settlement of 14.00 mm, the model of the 20 cm long bakau piles foundation is 52.00 kN with the ultimate settlement of 13.00 mm, the foundation model a 30 cm long bakau piles foundation of 54.00 kN with a 10.00 mm ultimate settlement, a 40 cm long bakau piles foundation model of 56.00 kN with an ultimate settlement of 8.50 mm.","PeriodicalId":387754,"journal":{"name":"EPI International Journal of Engineering","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124215685","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

Earthquake Damages and Disaster Prevention of Aboveground Storage Tanks 地上储罐的地震破坏与防灾

EPI International Journal of Engineering Pub Date : 2018-11-20 DOI: 10.25042/epi-ije.082018.14

S. Yoshida

引用次数: 4

Heat Utilization of Incinerator Chimney as Electrical Energy using a Thermoelectric Generator 利用热电发电机将焚烧炉烟囱的热能转化为电能

EPI International Journal of Engineering Pub Date : 2018-11-20 DOI: 10.25042/EPI-IJE.082018.08

Usman Syamsuddin, Z. Djafar, Thomas Tjandinegara, Z. Djafar, W. H. Piarah

{"title":"Heat Utilization of Incinerator Chimney as Electrical Energy using a Thermoelectric Generator","authors":"Usman Syamsuddin, Z. Djafar, Thomas Tjandinegara, Z. Djafar, W. H. Piarah","doi":"10.25042/EPI-IJE.082018.08","DOIUrl":"https://doi.org/10.25042/EPI-IJE.082018.08","url":null,"abstract":"The thermoelectric generator (TEG) has long been used to produce electrical energy where when a temperature difference occurs between two different semiconductor materials, this thermoelectric element will produce a voltage difference and flow an electric current. This principle is known as the 'Seebeck effect'. This research was conducted to determine the electrical energy potential of the TEG module as an alternative energy source by utilizing chimney heat from an incinerator. The test was carried out with a variation of 1, 2 and 3 m chimney height with treatment without compaction and compaction of waste. The test results show that with 12 TEG modules arranged in series electricity can produce an output voltage with a maximum temperature difference of each ΔV 3,31 Volt ; ΔT 15,0 °C (1 m), ΔV 3,92 Volt; ΔT 17,8 °C (2 m), ΔV 4,84 Volt ; ΔT 22,0 °C (3 m) while the compaction of each value ΔV 6,34 Volt ; ΔT 29,2 °C (1 m), ΔV 7,69 Volt ; ΔT 35,2 °C (2 m), ΔV 9,09 Volt ; ΔT 41,5 °C (3 m). The potential power that can be produced is as big as 3,22 W (1 m); 4,56 W (2 m); 6,88 W (3 m) while the compaction of waste is equal to each value 11,80 W (1 m); 17,36 W (2 m); 24,25 W (3 m). The addition of chimney height variation resulted in an increase in the hot side temperature (Th), cold side (Tc) and temperature difference (dT) so that heat energy and power energy increased.","PeriodicalId":387754,"journal":{"name":"EPI International Journal of Engineering","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127561402","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

Research Topics on Railway Vehicle Dynamics 铁道车辆动力学研究课题

EPI International Journal of Engineering Pub Date : 2018-11-20 DOI: 10.25042/EPI-IJE.082018.01

T. Tomioka

引用次数: 4

Design and Hydrodynamic Model Test of Mini Submarine Propeller with High Efficiency and Low Cavitation 小型高效低空化潜艇螺旋桨设计与水动力模型试验

EPI International Journal of Engineering Pub Date : 2018-11-20 DOI: 10.25042/EPI-IJE.082018.09

M. Indiaryanto, M. R. Utina, Nurwidhi Asrowibowo, Siti Sadiah

引用次数: 0

Application of Empirical Bathymetry Method on Sentinel 2A for Measuring Water Depth of Maninjau Lake 哨兵2A经验测深法在马尼若湖水深测量中的应用

EPI International Journal of Engineering Pub Date : 1900-01-01 DOI: 10.25042/epi-ije.022021.01

Wendi Arifin, Febriandi Febriandi, M. Hanif, Triyatno Triyatno, E. S. Mokhtar, E. Mutia

{"title":"Application of Empirical Bathymetry Method on Sentinel 2A for Measuring Water Depth of Maninjau Lake","authors":"Wendi Arifin, Febriandi Febriandi, M. Hanif, Triyatno Triyatno, E. S. Mokhtar, E. Mutia","doi":"10.25042/epi-ije.022021.01","DOIUrl":"https://doi.org/10.25042/epi-ije.022021.01","url":null,"abstract":"Lake Maninjau is a lake formed by volcanic activity. Many human activities occur on the catchment area, but also in exploited waters. This study aims to mapping the depth of the waters in the Lake Maninjau and assess the effect of field sample distribution on the quality results of the image transformation. The data used are satellite imagery Sentinel 2A, results of point survey. The analysis technique uses the normalized difference water index algorithm, sun glint, empirical bathymetry method and linear regression. The result of the research which is has found that variations of distribution into the dispersion of the recording process of the depth of the object represented by cell. The depth of the water from the results of this transformation refers to the measurement sample in the field survey. The maximum depth of the waters is in the range of 107m. Shallow waters are predominantly distributed in the northern region which is the out late of Lake Maninjau. The southern area forms a deep basin. The distribution of this sample is in the form of an empirical bathymetry map and the relationship between the results of field measurements and the transformation with a regression value of 0.769, this indicates the consideration of total and distribution of survey sample is influence on quality of the results of the transformation.","PeriodicalId":387754,"journal":{"name":"EPI International Journal of Engineering","volume":"17 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114099614","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

Investigating the Local Stress of Car Deck Ro-Ro 5000 GT ro - ro5000gt汽车甲板局部应力研究

EPI International Journal of Engineering Pub Date : 1900-01-01 DOI: 10.25042/epi-ije.022021.08

A. Alamsyah, Ahmed Reza Falevi, A. I. Wulandari, M. U. Pawara, W. Setiawan, A. Arifuddin

{"title":"Investigating the Local Stress of Car Deck Ro-Ro 5000 GT","authors":"A. Alamsyah, Ahmed Reza Falevi, A. I. Wulandari, M. U. Pawara, W. Setiawan, A. Arifuddin","doi":"10.25042/epi-ije.022021.08","DOIUrl":"https://doi.org/10.25042/epi-ije.022021.08","url":null,"abstract":"A deck construction must be strong enough that it will not suffer structural damage if it works under a given load. In this case the strain stress becomes very important from the strength of the deck, as for one that affects the strength of the deck construction, one of which is the stiffener distance. This study aims to analyze the maximum strain stress on the deck of the Ferry Ro - ro. The method used is Finite Element Method (FEM) by varying the stiffener distance in the deck construction. The research results obtained, namely the variation of the stiffener distance of 600 mm. 285.5 N/mm2 and the maximum strain released is 1.76 x 10-3 mm, at a variation of 700 mm stiffener distance the maximum stress released is 378,075 N/mm2 and the maximum strain released is 1.77 x 10-3 mm, at a stiffener distance variation 800 mm the maximum stress released is 383,737 N/mm2 and the maximum strain released is 1.78 x -3 mm, at 900 mm stiffener distance variations the maximum stress is 389,188 N/mm2 and the maximum strain released is 1.79 x 10-3 mm, at variations in distance stiffener 1000 mm the maximum stress released is 425,388 N/mm2 and the maximum strain released is 1.8 x 10 -3 mm, The value of strain increasingly increases followed by the farther distance of the stiffener equal 0.6%, and the stress value is at a variation increasingly increases followed by the farther distance of the stiffener equal 12.24%.","PeriodicalId":387754,"journal":{"name":"EPI International Journal of Engineering","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125680707","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

Accurate Results for Free Vibration of Doubly Curved　Shallow Shells of Rectangular Planform (Part.1) 矩形平面双弯曲浅壳自由振动的精确结果(1)

EPI International Journal of Engineering Pub Date : 1900-01-01 DOI: 10.25042/epi-ije.022021.05

D. Narita, Y. Narita

引用次数: 3