Mario Luis Paneque Vázquez, Rafael Ángel Rodríguez Abreu, Enrique D´ Jesús Jiménez Anaya, Juan Carlos García Sam
Tourism is a sector of great importance in the economic sphere, but it is also one of the services most consumers of conventional energy, for this reason it is necessary to generate strategies aimed at promoting the use of renewable energy sources. This research is aimed at providing a guide for the evaluation of architectural design requirements for energy efficiency in city hotels, allowing the creation of a database with the main architectural design problems that affect the energy efficiency of this category of hotels. In the conformation of the guide, international methods of evaluation and certification of the sustainable energy efficiency of buildings are considered, which allow to complement the current Cuban norms in relation to the design requirements for energy efficiency in buildings.
{"title":"A Guide for Evaluation of the Architectural Design Requirements of Energy Efficiency in City Hotels","authors":"Mario Luis Paneque Vázquez, Rafael Ángel Rodríguez Abreu, Enrique D´ Jesús Jiménez Anaya, Juan Carlos García Sam","doi":"10.32629/jbt.v5i1.1124","DOIUrl":"https://doi.org/10.32629/jbt.v5i1.1124","url":null,"abstract":"Tourism is a sector of great importance in the economic sphere, but it is also one of the services most consumers of conventional energy, for this reason it is necessary to generate strategies aimed at promoting the use of renewable energy sources. This research is aimed at providing a guide for the evaluation of architectural design requirements for energy efficiency in city hotels, allowing the creation of a database with the main architectural design problems that affect the energy efficiency of this category of hotels. In the conformation of the guide, international methods of evaluation and certification of the sustainable energy efficiency of buildings are considered, which allow to complement the current Cuban norms in relation to the design requirements for energy efficiency in buildings.","PeriodicalId":38108,"journal":{"name":"International Journal of Sustainable Building Technology and Urban Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84683581","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}
Javier Ballote Álvarez, Ernesto A. Hernández Martín, Orlando R. Carraz Hernández
Ground Penetrating Radar (GPR) is a geophysical method that has several applications in the field of civil engineering, one of the largest fields being the evaluation of the technical state of the affected reinforced concrete structures by corrosion. In Cuba, this method has not been widely used as a non destructive test (NDT), largely due to the lack of knowledge of its potential in civil engineering. This article performs a critical analysis of some investigations in which the georadar is applied to evaluate the technical state of tunnels, bridges and buildings. The regulatory framework that protects the use of the georadar as NDT in the world and the applications that it has had so far in Cuba are addressed. The electromagnetic responses of the method to various injuries and causes that cause damage to reinforced concrete such as fractures, cavities, areas of humidity, chloride penetration and corrosion itself are also presented.
{"title":"The Georadar in the Evaluation of Reinforced Concrete Structures Affected by Corrosion","authors":"Javier Ballote Álvarez, Ernesto A. Hernández Martín, Orlando R. Carraz Hernández","doi":"10.32629/jbt.v5i1.1127","DOIUrl":"https://doi.org/10.32629/jbt.v5i1.1127","url":null,"abstract":"Ground Penetrating Radar (GPR) is a geophysical method that has several applications in the field of civil engineering, one of the largest fields being the evaluation of the technical state of the affected reinforced concrete structures by corrosion. In Cuba, this method has not been widely used as a non destructive test (NDT), largely due to the lack of knowledge of its potential in civil engineering. This article performs a critical analysis of some investigations in which the georadar is applied to evaluate the technical state of tunnels, bridges and buildings. The regulatory framework that protects the use of the georadar as NDT in the world and the applications that it has had so far in Cuba are addressed. The electromagnetic responses of the method to various injuries and causes that cause damage to reinforced concrete such as fractures, cavities, areas of humidity, chloride penetration and corrosion itself are also presented.","PeriodicalId":38108,"journal":{"name":"International Journal of Sustainable Building Technology and Urban Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76954628","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}
This paper presents a case study about the challenges and good building practices involved in the execution of structural reinforced concrete pile caps over steel piles. The structural reinforcements were carried out in a project with 3 residential towers of approximately 30 floors each, located on the seafront. As a result, it was observed that mix design to define the type and characteristics of concrete, prototype event, particularities of the construction site, executive procedures employed, as well as the systematic monitoring and control of concreting events and other constructive stages were determining factors to promote the safety and quality of reinforcement services in accordance with the assumptions and design requirements.
{"title":"Control of Reinforcement Concrete in Pile Caps over Steel Piles – Case Study","authors":"R. Boni, P. Helene","doi":"10.32629/jbt.v4i1.1109","DOIUrl":"https://doi.org/10.32629/jbt.v4i1.1109","url":null,"abstract":"This paper presents a case study about the challenges and good building practices involved in the execution of structural reinforced concrete pile caps over steel piles. The structural reinforcements were carried out in a project with 3 residential towers of approximately 30 floors each, located on the seafront. As a result, it was observed that mix design to define the type and characteristics of concrete, prototype event, particularities of the construction site, executive procedures employed, as well as the systematic monitoring and control of concreting events and other constructive stages were determining factors to promote the safety and quality of reinforcement services in accordance with the assumptions and design requirements.","PeriodicalId":38108,"journal":{"name":"International Journal of Sustainable Building Technology and Urban Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135949108","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}
An innovative damage identification method using only two sensors for damage detection of bridge based on transfer entropy of vehicle- bridge information is proposed in this article. In this method, a test vehicle passing through the bridge surface, and structural vibration acceleration responses at two measuring points are measured from two acceleration sensors, which one set on the bridge, and the other one set on the test vehicle. A fixed moving window is defined as a definitive length calculated by the sampling frequency and the fundamental frequency of the measured acceleration responses. The windowed pair time series extracted from the two measured acceleration responses that obtained from the bridge and the moving vehicle respectively are used to calculate the transfer entropy, which is used to define the new damage index. A simply supported beam bridge subjected to a test vehicle is simulated to verify the effectiveness and feasibility of this method. Numerical simulation results show that this method can accurately detect the damages under both single damage scenarios and multiple damage scenarios using acceleration responses obtained from bridge and moving vehicle. It indicates that the method proposed in this article has a promising application prospect in the field of bridge damage detection.
{"title":"Using Two Sensors for Damage Detection of Bridge Based on Transfer Entropy of Vehicle-bridge Information","authors":"JuLei Zhu, Wen Cai","doi":"10.32629/jbt.v3i1.604","DOIUrl":"https://doi.org/10.32629/jbt.v3i1.604","url":null,"abstract":"An innovative damage identification method using only two sensors for damage detection of bridge based on transfer entropy of vehicle- bridge information is proposed in this article. In this method, a test vehicle passing through the bridge surface, and structural vibration acceleration responses at two measuring points are measured from two acceleration sensors, which one set on the bridge, and the other one set on the test vehicle. A fixed moving window is defined as a definitive length calculated by the sampling frequency and the fundamental frequency of the measured acceleration responses. The windowed pair time series extracted from the two measured acceleration responses that obtained from the bridge and the moving vehicle respectively are used to calculate the transfer entropy, which is used to define the new damage index. A simply supported beam bridge subjected to a test vehicle is simulated to verify the effectiveness and feasibility of this method. Numerical simulation results show that this method can accurately detect the damages under both single damage scenarios and multiple damage scenarios using acceleration responses obtained from bridge and moving vehicle. It indicates that the method proposed in this article has a promising application prospect in the field of bridge damage detection.","PeriodicalId":38108,"journal":{"name":"International Journal of Sustainable Building Technology and Urban Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85080959","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 : 2022-01-01DOI: 10.37628/ijsdt.v6i1.1021
P. Sahu, Luke Judson
{"title":"Post Occupancy Evaluation in Monolithic Concrete Buildings","authors":"P. Sahu, Luke Judson","doi":"10.37628/ijsdt.v6i1.1021","DOIUrl":"https://doi.org/10.37628/ijsdt.v6i1.1021","url":null,"abstract":"","PeriodicalId":38108,"journal":{"name":"International Journal of Sustainable Building Technology and Urban Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72953495","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}
Phalguni Singh, Diksha Rohila, S. Khursheed, V. K. Paul
{"title":"EVALUATION OF REWORK COST AND PREVENTION COST OF REWORK IN BUILDING CONSTRUCTION","authors":"Phalguni Singh, Diksha Rohila, S. Khursheed, V. K. Paul","doi":"10.37628/ijsdt.v5i1.902","DOIUrl":"https://doi.org/10.37628/ijsdt.v5i1.902","url":null,"abstract":"","PeriodicalId":38108,"journal":{"name":"International Journal of Sustainable Building Technology and Urban Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73151634","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}
{"title":"MULTI-PROJECT SCHEDULING OF CONSTRUCTION PROJECTS WITH CONSTRAINED RESOURCES","authors":"P. Grover","doi":"10.37628/ijsdt.v5i2.962","DOIUrl":"https://doi.org/10.37628/ijsdt.v5i2.962","url":null,"abstract":"","PeriodicalId":38108,"journal":{"name":"International Journal of Sustainable Building Technology and Urban Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84415733","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}
{"title":"Analysis of Key Factors Affecting Labour Productivity in Building Rehabilitation Projects","authors":"Khushbu Vishwakarma, V. K. Paul, S. Solanki","doi":"10.37628/ijsdt.v5i1.901","DOIUrl":"https://doi.org/10.37628/ijsdt.v5i1.901","url":null,"abstract":"","PeriodicalId":38108,"journal":{"name":"International Journal of Sustainable Building Technology and Urban Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90309988","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}
Overlooking the section of the Silk Road in Xinjiang, as the largest span of linear, multi-dimensional cultural landscape, historical heritage and ecological corridor in Xinjiang, it is a huge heritage complex of human culture influencing on the natural landscape. This paper introduces the concept of cultural landscape corridor, taking into account the organic connection between landscape ecology and heritage protection, strengthens the understanding of local social structure and regional culture in Xinjiang, spatially integrates cultural landscape and linear historical relics.
{"title":"Research on the Cultural Landscape of Xinjiang Section of the Silk Road","authors":"D. Jiang","doi":"10.32629/jbt.v3i1.465","DOIUrl":"https://doi.org/10.32629/jbt.v3i1.465","url":null,"abstract":"Overlooking the section of the Silk Road in Xinjiang, as the largest span of linear, multi-dimensional cultural landscape, historical heritage and ecological corridor in Xinjiang, it is a huge heritage complex of human culture influencing on the natural landscape. This paper introduces the concept of cultural landscape corridor, taking into account the organic connection between landscape ecology and heritage protection, strengthens the understanding of local social structure and regional culture in Xinjiang, spatially integrates cultural landscape and linear historical relics.","PeriodicalId":38108,"journal":{"name":"International Journal of Sustainable Building Technology and Urban Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78409556","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}
A novel damage detection approach based on Auto-encoder neural network is proposed to identify damage in beam-like bridges subjected to a moving mass. In this approach, several sensors are used to measure structural vibration responses during a mass moving across the bridge. An auto-encoder (AE) neural network is designed to extract features from the measured responses. A fixed moving window is used to cut out the time-domain responses to generate inputs of the AE neural network. Moreover, some constraints are applied on the hidden layer to improve the performance of the AE network in training process. When the training is complete, the encoder was regarded as a feature extractor. And the damage index is defined as the cosine distance between two feature vectors obtained from adjacent data windows. By moving the window along the measured vibration data, we can calculate a damage index series and locate the damage position of the structure. To demonstrate the performance of the proposed method, numerical simulation is carried out. The results show that the proposed method can accurately locate both single and multiple damages using acceleration response. It infers the proposed method is promising for structural damage detection.
{"title":"Damage detection of beam bridge under a moving load using Auto-encoder","authors":"Juntao Wu, Z. Nie","doi":"10.32629/jbt.v3i1.423","DOIUrl":"https://doi.org/10.32629/jbt.v3i1.423","url":null,"abstract":"A novel damage detection approach based on Auto-encoder neural network is proposed to identify damage in beam-like bridges subjected to a moving mass. In this approach, several sensors are used to measure structural vibration responses during a mass moving across the bridge. An auto-encoder (AE) neural network is designed to extract features from the measured responses. A fixed moving window is used to cut out the time-domain responses to generate inputs of the AE neural network. Moreover, some constraints are applied on the hidden layer to improve the performance of the AE network in training process. When the training is complete, the encoder was regarded as a feature extractor. And the damage index is defined as the cosine distance between two feature vectors obtained from adjacent data windows. By moving the window along the measured vibration data, we can calculate a damage index series and locate the damage position of the structure. To demonstrate the performance of the proposed method, numerical simulation is carried out. The results show that the proposed method can accurately locate both single and multiple damages using acceleration response. It infers the proposed method is promising for structural damage detection.","PeriodicalId":38108,"journal":{"name":"International Journal of Sustainable Building Technology and Urban Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81474394","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：