Proceedings 9th International Conference On Concrete Under Severe Conditions - Environment and Loading最新文献

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A low-cost approach to monitoring the structural health of pedestrian bridges 一种监测人行天桥结构健康的低成本方法
Michel J. Murillo, C. A. Gaviria, Y. Cantillo, Carlos A. Acosta
{"title":"A low-cost approach to monitoring the structural health of pedestrian bridges","authors":"Michel J. Murillo, C. A. Gaviria, Y. Cantillo, Carlos A. Acosta","doi":"10.31808/5CA6E03E5CA4F0D406AC88AD","DOIUrl":"https://doi.org/10.31808/5CA6E03E5CA4F0D406AC88AD","url":null,"abstract":"Changes in dynamic properties of structures, such as damping ratios and natural frequencies can be detected by periodic monitoring (e.g. one time by year). These changes are often indications of structural damage thereby, the maintenance or demolition of the structure can be doing in due time. In the case of pedestrian bridges, people’s movements may produce a resonance state, which leads to excessive deflection that accelerates the deterioration of these structures. Typically, these dynamic properties are detected by using high-cost vibration measurement equipment to achieve high levels of precision (i.e. a very low noise levels). This article studies the measurement of dynamic properties in pedestrian bridges using a tri-axial accelerometer integrated into a mobile phone as a low-cost and alternative practice. Accelerations were recorded on a steel pedestrian bridge (flexible) and on a post-tensioned concrete pedestrian bridge (rigid) located in Barranquilla City (Colombia). Vibrations were induced by a person (e.g., by jumping). Previous studies based on traditional measuring techniques show that two dominant frequencies in both types of bridges can be identified. However, in this study a reliable damping ratio could only be established for the steel bridge that it is associated with the flexibility and the low amplitude of the induced vibrations by a single pedestrian user.","PeriodicalId":268116,"journal":{"name":"Proceedings 9th International Conference On Concrete Under Severe Conditions - Environment and Loading","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121725603","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
Concrete reinforced with polypropylene and polyester fibers exposed to fire 用聚丙烯纤维和聚酯纤维加固的混凝土在火灾中暴露
D. Dias, J. Calmon, G. L. Vieira
{"title":"Concrete reinforced with polypropylene and polyester fibers exposed to fire","authors":"D. Dias, J. Calmon, G. L. Vieira","doi":"10.31808/5ca6e03b5ca4f0d406ac888c","DOIUrl":"https://doi.org/10.31808/5ca6e03b5ca4f0d406ac888c","url":null,"abstract":"","PeriodicalId":268116,"journal":{"name":"Proceedings 9th International Conference On Concrete Under Severe Conditions - Environment and Loading","volume":"149 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":"122648670","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
Evaluation of geopolymer coatings to prevent bio-corrosion in wastewater concrete pipes 防废水混凝土管道生物腐蚀地聚合物涂层的评价
N. Roghanian, N. Banthia
{"title":"Evaluation of geopolymer coatings to prevent bio-corrosion in wastewater concrete pipes","authors":"N. Roghanian, N. Banthia","doi":"10.31808/5CA6E03D5CA4F0D406AC88A5","DOIUrl":"https://doi.org/10.31808/5CA6E03D5CA4F0D406AC88A5","url":null,"abstract":"","PeriodicalId":268116,"journal":{"name":"Proceedings 9th International Conference On Concrete Under Severe Conditions - Environment and Loading","volume":"352 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":"121899758","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
New perspective in design of innovative UHPFRC structures 创新UHPFRC结构设计的新视角
D. Čítek, J. Kolísko, S. Řeháček, D. Dobiáš
{"title":"New perspective in design of innovative UHPFRC structures","authors":"D. Čítek, J. Kolísko, S. Řeháček, D. Dobiáš","doi":"10.31808/5CA6E03D5CA4F0D406AC889B","DOIUrl":"https://doi.org/10.31808/5CA6E03D5CA4F0D406AC889B","url":null,"abstract":"","PeriodicalId":268116,"journal":{"name":"Proceedings 9th International Conference On Concrete Under Severe Conditions - Environment and Loading","volume":"71 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":"114786865","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
Influence of wind on chloride profiles of concrete structures in marine environment: case study of Arvoredos Island 风对海洋环境中混凝土结构氯离子剖面的影响——以Arvoredos岛为例
C. Balestra, G. Savaris, R.J.M. Fakhye, E. Silva, S. Feiber
{"title":"Influence of wind on chloride profiles of concrete structures in marine environment: case study of Arvoredos Island","authors":"C. Balestra, G. Savaris, R.J.M. Fakhye, E. Silva, S. Feiber","doi":"10.31808/5ca6e03f5ca4f0d406ac88b9","DOIUrl":"https://doi.org/10.31808/5ca6e03f5ca4f0d406ac88b9","url":null,"abstract":"","PeriodicalId":268116,"journal":{"name":"Proceedings 9th International Conference On Concrete Under Severe Conditions - Environment and Loading","volume":"6 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":"124458364","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
Annone overpass: assessment of reinforcement damage effects on collapse 交叉立交桥:钢筋损伤对倒塌影响的评估
M. Prisco, M. Colombo, P. Martinelli, D. Coronelli
{"title":"Annone overpass: assessment of reinforcement damage effects on collapse","authors":"M. Prisco, M. Colombo, P. Martinelli, D. Coronelli","doi":"10.31808/5CE8B27A1C23164AD13B5239","DOIUrl":"https://doi.org/10.31808/5CE8B27A1C23164AD13B5239","url":null,"abstract":"","PeriodicalId":268116,"journal":{"name":"Proceedings 9th International Conference On Concrete Under Severe Conditions - Environment and Loading","volume":"AES-19 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":"126548083","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
Permeability and condition of concrete in the Argentine Antarctic‘Carlini’ Base 阿根廷南极“carlini”基地混凝土的渗透性和状况
A. Benitez, M. Polzinetti
{"title":"Permeability and condition of concrete in the Argentine Antarctic‘Carlini’ Base","authors":"A. Benitez, M. Polzinetti","doi":"10.31808/5CA6E03D5CA4F0D406AC88A4","DOIUrl":"https://doi.org/10.31808/5CA6E03D5CA4F0D406AC88A4","url":null,"abstract":"","PeriodicalId":268116,"journal":{"name":"Proceedings 9th International Conference On Concrete Under Severe Conditions - Environment and Loading","volume":"30 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":"128126058","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
Diagnosis and prognosis for cantilevered beam in multi-family condominium of 40 years of age in the city of Fortaleza 福塔莱萨市40岁多户公寓悬臂梁的诊断与预后
P. Paiva
{"title":"Diagnosis and prognosis for cantilevered beam in multi-family condominium of 40 years of age in the city of Fortaleza","authors":"P. Paiva","doi":"10.31808/5ca6e03b5ca4f0d406ac888b","DOIUrl":"https://doi.org/10.31808/5ca6e03b5ca4f0d406ac888b","url":null,"abstract":"","PeriodicalId":268116,"journal":{"name":"Proceedings 9th International Conference On Concrete Under Severe Conditions - Environment and Loading","volume":"61 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":"115804089","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
Physico-mechanical aspects of external sulfate attack: impact of the cement mix design and the sample shape on the expansion 外部硫酸盐侵蚀的物理力学方面:水泥配合比设计和试样形状对膨胀的影响
M. Jabbour, O. Omikrine-Metalssi, M. Quiertant, V. Baroghel-Bouny
{"title":"Physico-mechanical aspects of external sulfate attack: impact of the cement mix design and the sample shape on the expansion","authors":"M. Jabbour, O. Omikrine-Metalssi, M. Quiertant, V. Baroghel-Bouny","doi":"10.31808/5CA6E03B5CA4F0D406AC8893","DOIUrl":"https://doi.org/10.31808/5CA6E03B5CA4F0D406AC8893","url":null,"abstract":"","PeriodicalId":268116,"journal":{"name":"Proceedings 9th International Conference On Concrete Under Severe Conditions - Environment and Loading","volume":"93 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":"132713368","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
S-N curves for RC beams post-strengthened with prestressed CFRP based on experimental data 基于试验数据的预应力碳纤维布后加固RC梁S-N曲线
M. Garcez, L. Meneghetti, R. Teixeira
{"title":"S-N curves for RC beams post-strengthened with prestressed CFRP based on experimental data","authors":"M. Garcez, L. Meneghetti, R. Teixeira","doi":"10.31808/5CA6E03D5CA4F0D406AC88A1","DOIUrl":"https://doi.org/10.31808/5CA6E03D5CA4F0D406AC88A1","url":null,"abstract":"","PeriodicalId":268116,"journal":{"name":"Proceedings 9th International Conference On Concrete Under Severe Conditions - Environment and Loading","volume":"1 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":"124723601","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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