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Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS最新文献

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EXPERIMENTAL PROCEDURE FOR SLIP FACTOR DETERMINING AT CONNECTIONS WITH PRELOADED BOLTS 预压螺栓连接处滑移系数测定的试验规程
IF 0.2
Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS Pub Date : 2014-07-04 DOI: 10.13167/2014.8.5
Marina Poposka, Borjan Petreski, Petar Cvetanovski, Denis Popovski
{"title":"EXPERIMENTAL PROCEDURE FOR SLIP FACTOR DETERMINING AT CONNECTIONS WITH PRELOADED BOLTS","authors":"Marina Poposka, Borjan Petreski, Petar Cvetanovski, Denis Popovski","doi":"10.13167/2014.8.5","DOIUrl":"https://doi.org/10.13167/2014.8.5","url":null,"abstract":"This article presents the advantages of using preloaded bolts in connections of steel structures. First we discussed the main differences between preloaded bolts and shear bolts. Then we explained the categories of shear connections and the categories of friction surfaces, along with their associated surface preparation and slip factor. To connect theory and codes with experiment, we showed the basic expressions used to calculate the design resistance of preloaded bolts and compared the design resistance of shear bolts. The slip factor was tested according to EN 1090-2:2008, Annex G, for two series of specimens, identical to those used in bridges in the Republic of Albania.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"5 1","pages":"37-43"},"PeriodicalIF":0.2,"publicationDate":"2014-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66265959","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
Comparison of pavement structures in tunnels 隧道路面结构比较
IF 0.2
Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS Pub Date : 2014-07-04 DOI: 10.13167/2014.8.2
Ivan Rimac, M. Šimun, S. Dimter
{"title":"Comparison of pavement structures in tunnels","authors":"Ivan Rimac, M. Šimun, S. Dimter","doi":"10.13167/2014.8.2","DOIUrl":"https://doi.org/10.13167/2014.8.2","url":null,"abstract":"Tunnels pose many fire risks. It is difficult to fight fires in tunnels due to their limited accessibility, the quantity of smoke, and high thermal radiation. Temperatures in tunnel fires can reach 1000 °C, and these fires can spread quickly and persist for long periods, the longest recorded in Europe lasting 53 h. The main requirements of tunnel pavement structures are driving safety and comfort, as well as low construction and maintenance costs. Choosing between using concrete or asphalt pavement structures in tunnels requires the assessment of many criteria, including safety, cost, ecology, and energy use. One must also consider the availability of technologies (finishers) and resources (bitumen or cement), as well as the probability of achieving the required contractor experience level, which impacts pavement management. This paper describes our analysis and process for deciding the pavement structure to be used in tunnels, as well as current European technical regulations for safe traffic flow in tunnels.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"5 1","pages":"12-18"},"PeriodicalIF":0.2,"publicationDate":"2014-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66265929","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: 5
NITRATE REMOVAL FROM WATER USING SURFACE-MODIFIED ULTRAFILTRATION MEMBRANES 表面改性超滤膜去除水中硝酸盐
IF 0.2
Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS Pub Date : 2014-07-04 DOI: 10.13167/2014.8.8
M. Habuda-Stanić, M. Nujić, V. Santo
{"title":"NITRATE REMOVAL FROM WATER USING SURFACE-MODIFIED ULTRAFILTRATION MEMBRANES","authors":"M. Habuda-Stanić, M. Nujić, V. Santo","doi":"10.13167/2014.8.8","DOIUrl":"https://doi.org/10.13167/2014.8.8","url":null,"abstract":"Elevated nitrate concentrations in natural water sources are a worldwide concern due to the extensive levels of soil N-fertilization. This study investigates three commercially available polyethersulfone (PES) ultrafiltration (UF) membranes with different molecular weight cut-offs (5, 10, and 30 kDa), which we modified with a cationic surfactant, cetylpyridinium chloride to improve their nitrate removal. The nitrate removal efficiency of these membranes was examinated as functions of initial nitrate concentration, pH, and permeate flux. The best nitrate removal efficiency was obtained with a 5 kDa surface-modified UF membrane.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"5 1","pages":"67-72"},"PeriodicalIF":0.2,"publicationDate":"2014-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66266018","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
A PARAMETRIC STUDY OF CODE-BASED PERFORMANCE LIMITS FOR WIDE BEAMS 宽波束基于码的性能极限参数化研究
IF 0.2
Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS Pub Date : 2014-07-01 DOI: 10.13167/2014.8.1
E. Tore, Talip Demiral
{"title":"A PARAMETRIC STUDY OF CODE-BASED PERFORMANCE LIMITS FOR WIDE BEAMS","authors":"E. Tore, Talip Demiral","doi":"10.13167/2014.8.1","DOIUrl":"https://doi.org/10.13167/2014.8.1","url":null,"abstract":"In this study, we compared the performance limits of building codes and assessed whether these limits could be applied to wide beams. We performed a parametric study, investigating the longitudinal reinforcement ratio, beam width, steel class, and type and spacing of the transverse reinforcement. We obtained the following results from these analyses: Increasing the longitudinal reinforcement ratio reduced the deformation limit corresponding to code-based performance limits. Changing the confinement properties significantly affected the TEC 2007 and ASCE/SEI 41 limits. The performance limits defined by EC8 and ASCE/SEI 41 had similar corresponding plastic deformations, lower than those corresponding to the TEC 2007 strain-based damage limits. The results show that assessing the performance of wide beams by using the performance limits from different codes could produce contradictory results.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"5 1","pages":"1-11"},"PeriodicalIF":0.2,"publicationDate":"2014-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66265922","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
Establishing a model to evaluate public administration projects 建立公共行政项目评价模型
IF 0.2
Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS Pub Date : 2014-01-01 DOI: 10.13167/2014.8.7
I. Marović, D. Car-Pušić, Zlatko Hrvatin
{"title":"Establishing a model to evaluate public administration projects","authors":"I. Marović, D. Car-Pušić, Zlatko Hrvatin","doi":"10.13167/2014.8.7","DOIUrl":"https://doi.org/10.13167/2014.8.7","url":null,"abstract":"Public investment projects are projects in which the public interest is paramount. The public administration generates public projects, which can be grouped into portfolios. We often witness poor, disordered public investment and project selection. One reason is the lack of adequate, consistent methodology for evaluating and selecting projects. It can be difficult to choose from comparable projects within the portfolio, and the attitudes of the stakeholders can hinder decision-making, highlighting the need for multi- criteria analysis. To select the best project, we designed a model to evaluate and rank public administration projects. We presented a hierarchical structure of objectives and criteria for comparing projects. To select and compare projects according to these defined criteria and assigned weights, we used PROMETHEE II. We simulated and validated this model using the portfolio of the city of Kastav. This model contributes to higher quality and more consistent decision-making in selecting the best investment project from a public administration portfolio.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"5 1","pages":"56-66"},"PeriodicalIF":0.2,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66266009","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: 11
PRIMJENA POROZNOG BETONA U KOLNIČKIM KONSTRUKCIJAMA 浅谈柱构造中的POSE-BETON
IF 0.2
Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS Pub Date : 2013-12-27 DOI: 10.13167/2013.7.7
Melani Felja, Krunoslav Ćosić, Ivanka Netinger
{"title":"PRIMJENA POROZNOG BETONA U KOLNIČKIM KONSTRUKCIJAMA","authors":"Melani Felja, Krunoslav Ćosić, Ivanka Netinger","doi":"10.13167/2013.7.7","DOIUrl":"https://doi.org/10.13167/2013.7.7","url":null,"abstract":"U radu je dan pregled svojstava poroznog betona te prikazane prednosti njegove uporabe u kolnickim\u0000 konstrukcijama. Pripremljene su dvije mjesavine","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"4 1","pages":"68-75"},"PeriodicalIF":0.2,"publicationDate":"2013-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66265870","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
TERMOGRAFIJA I ENERGETSKA UČINKOVITOST STAMBENIH OBJEKATA 稳定可拓子的项图与能量活动
IF 0.2
Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS Pub Date : 2013-12-27 DOI: 10.13167/2013.7.3
R. Šišić, Amela Hodžić, Adi Kevilj, O. Hrustić
{"title":"TERMOGRAFIJA I ENERGETSKA UČINKOVITOST STAMBENIH OBJEKATA","authors":"R. Šišić, Amela Hodžić, Adi Kevilj, O. Hrustić","doi":"10.13167/2013.7.3","DOIUrl":"https://doi.org/10.13167/2013.7.3","url":null,"abstract":"Major part of energy in conventional dwelling structures is used for space heating. At older dwelling structures with no heating insulation at outer walls, as well as structures with inadequate construction and heating insulation, heat losses are evident and unavoidable. Infra red thermography proved as a very powerful, successful and simple method for detecting heat losses through construction elements. It is possible to detect structural and insulation failings based on results interpretations without destruction, and thus to increase energy efficiency of structures by removing the failings. The paper gives an overview of IC thermography potential for detecting heat losses and for assessing energy efficiency of dwelling structures proven on several cases using FLIR i7 IC camera.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"24 1","pages":"24-31"},"PeriodicalIF":0.2,"publicationDate":"2013-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66265756","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
UTJECAJ ODZIVA PLITKO TEMELJENE ARMIRANOBETONSKE OKVIRNE KONSTRUKCIJE NA LIKVEFAKCIJSKI POTENCIJAL TLA 对许可潜力的影响取决于肺体的ARMINOBET目标构建
IF 0.2
Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS Pub Date : 2013-12-27 DOI: 10.13167/2013.7.6
Damir Džakić, Ivan Kraus, Mensur Mulabdić
{"title":"UTJECAJ ODZIVA PLITKO TEMELJENE ARMIRANOBETONSKE OKVIRNE KONSTRUKCIJE NA LIKVEFAKCIJSKI POTENCIJAL TLA","authors":"Damir Džakić, Ivan Kraus, Mensur Mulabdić","doi":"10.13167/2013.7.6","DOIUrl":"https://doi.org/10.13167/2013.7.6","url":null,"abstract":"Nakon katastrofalnih posljedica potresa na Aljasci i u Niigati 1964. godine, Seed i Idriss su razvili i objavili metodu za procjenu otpornosti tla na","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"4 1","pages":"56-67"},"PeriodicalIF":0.2,"publicationDate":"2013-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66265858","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
BILJNI UREĐAJI ZA PROČIŠĆAVANJE OTPADNIH VODA 白水清洗设备
IF 0.2
Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS Pub Date : 2013-12-27 DOI: 10.13167/2013.7.8
Marija Šperac, Jelena Kaluđer, Željko Šreng
{"title":"BILJNI UREĐAJI ZA PROČIŠĆAVANJE OTPADNIH VODA","authors":"Marija Šperac, Jelena Kaluđer, Željko Šreng","doi":"10.13167/2013.7.8","DOIUrl":"https://doi.org/10.13167/2013.7.8","url":null,"abstract":"Otpadne vode se moraju procistiti prije ispustanja u recipijent. Jedan od nacina prociscavanja otpadnih voda je prociscavanje biljnim uređaj","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"4 1","pages":"76-86"},"PeriodicalIF":0.2,"publicationDate":"2013-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66265879","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: 9
PROJEKTIRANJE SILOSA S ASPEKTA NAČINA PROTOKA MATERIJALA PRI PRAŽNJENJU 在预期之前对筒仓进行材料保护
IF 0.2
Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS Pub Date : 2013-12-27 DOI: 10.13167/2013.7.2
Davor Skejić, M. Bolanča
{"title":"PROJEKTIRANJE SILOSA S ASPEKTA NAČINA PROTOKA MATERIJALA PRI PRAŽNJENJU","authors":"Davor Skejić, M. Bolanča","doi":"10.13167/2013.7.2","DOIUrl":"https://doi.org/10.13167/2013.7.2","url":null,"abstract":"This article deals with the material flow problems of a cylindrical conical steel silos during discharge. Since the silos discharge process belongs to one of the most critical load cases, it is necessary to be accounted for during design. During the silos discharge the several modes of material flow can occur. Due to fact that each of the flow modes result in significantly different pressures on the silos walls, from the safety and economical aspect, it is required to have reliable assessment of the discharge process. Depending on the silos purpose and stored material properties it is necessary to design with aim to achieve the desired discharging mode. In conclusion, the present work, through the numerical analysis, gave insights into how the small variations in the silos structural geometry can cause different discharging modes.","PeriodicalId":53887,"journal":{"name":"Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS","volume":"4 1","pages":"12-23"},"PeriodicalIF":0.2,"publicationDate":"2013-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66265748","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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