Electronic Journal of Structural Engineering最新文献_第2页

Mechanical properties test of plant fiber reinforced cementitious composites 植物纤维增强水泥基复合材料的力学性能试验

IF 0.6

Electronic Journal of Structural Engineering Pub Date : 2023-07-25 DOI: 10.56748/ejse.234383

Junping He, Zongfeng He, Qing Cui, Xinyuan Wang, Xuansheng Cheng

{"title":"Mechanical properties test of plant fiber reinforced cementitious composites","authors":"Junping He, Zongfeng He, Qing Cui, Xinyuan Wang, Xuansheng Cheng","doi":"10.56748/ejse.234383","DOIUrl":"https://doi.org/10.56748/ejse.234383","url":null,"abstract":"In this paper, a new type of plant fiber-reinforced cementitious composite (PFRCC) is developed. Compared with ordinary cement-based materials, its toughness is greatly improved. To investigate the tensile and bending mechanical properties of PFRCC, four kinds of PFRCC panels with different thicknesses were developed, and the axial tensile test and bending test of the PFRCC panel were designed. The results show that with the increase in the thickness of the PFRCC panel, the bearing capacity increases gradually. The peak tensile strain is about 0.022 %, which is 1.47-2.2 times that of the matrix cement mortar. The average tensile strength is about 2.52 MPa, which is slightly higher than that of the matrix cement mortar. The bending failure load of the PFRCC panel increases with the increase in thickness, but its peak displacement decreases gradually. The bending strength of the PFRCC panel is about 13.5 MPa, which is 2.7 times that of the matrix cement mortar. It shows that the addition of plant fiber can not only increase the toughness of cement mortar but also improve its tensile and bending strength. The above research provides a theoretical basis for the application of PFRCC panels in practical engineerings such as permanent formwork of foundation beams and light-gauge steel stud concrete composite external wall panels.","PeriodicalId":52513,"journal":{"name":"Electronic Journal of Structural Engineering","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43903172","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

Laboratory study on the properties of concrete pavement containing blast furnace slag and Gilsonite 含高炉矿渣和Gilsonite混凝土路面性能的室内研究

IF 0.6

Electronic Journal of Structural Engineering Pub Date : 2023-07-25 DOI: 10.56748/ejse.234413

Mohsen Zahedipoor, Ali Abdi Kordani, M. Zarei

引用次数: 0

Developing a Compression-moulded Composite Partitioning Panel from Banana Fibres and PLA 香蕉纤维和聚乳酸模压复合隔墙板的研制

IF 0.6

Electronic Journal of Structural Engineering Pub Date : 2023-03-30 DOI: 10.56748/ejse.233832

D. Weerasinghe, Dilshan Hedigalla, Dumindu Dassanayaka, N. Wanasekara, Ujithe Gunasekera, D. Mohotti

{"title":"Developing a Compression-moulded Composite Partitioning Panel from Banana Fibres and PLA","authors":"D. Weerasinghe, Dilshan Hedigalla, Dumindu Dassanayaka, N. Wanasekara, Ujithe Gunasekera, D. Mohotti","doi":"10.56748/ejse.233832","DOIUrl":"https://doi.org/10.56748/ejse.233832","url":null,"abstract":"Green construction materials developed using renewable resources have become the focus of concurrent research owing to increasing environmental considerations and legislations. However, most of the available literature focus only on load-bearing construction elements. Consequently, little attention has been paid towards non-load-bearing construction elements such as partitioning materials. The present work aims to address this gap by investigating the viability of using the biodegradable bioplastic PLA in combination with yarns spun using banana fibres to manufacture a composite panel intended for temporary partitioning materials used in the construction industry. Pre-tensioned banana yarns were used as the reinforcement while PLA was used as the matrix. The composite panels were manufactured using the compression moulding technique. The effect of process parameters such as moulding temperature and pressure, the effects of the degree of pre-tension and the amount of reinforcing yarn on the performance of the panels were investigated. The optimum moulding conditions were found to be 180oC moulding temperature and 15 tonnes of moulding pressure. Yarn pre-tensioning exhibited a positive effect on the performance of the composite panels. However, increasing the reinforcing yarn percentage caused a degradation of flexural performance of the composite. Finally, the performance was compared against the most widely used partitioning material currently, medium-density fibreboard (MDF). The novel composite panel manufactured at optimum conditions exhibited 52% higher impact strength and 55% higher flexural strength when compared to MDF. The composite panel presented herein has the potential to replace MDF as a better performing material manufactured using renewable resources.","PeriodicalId":52513,"journal":{"name":"Electronic Journal of Structural Engineering","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45697522","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

Design System of Integrated Management Platform for Smart Park and Project Case 智慧园区综合管理平台设计系统及项目案例

IF 0.6

Electronic Journal of Structural Engineering Pub Date : 2023-03-30 DOI: 10.56748/ejse.234022

Jianwen Zhang, Jingchao Zhang, Lu YANG, Ang Li, Yan ZONG

{"title":"Design System of Integrated Management Platform for Smart Park and Project Case","authors":"Jianwen Zhang, Jingchao Zhang, Lu YANG, Ang Li, Yan ZONG","doi":"10.56748/ejse.234022","DOIUrl":"https://doi.org/10.56748/ejse.234022","url":null,"abstract":"With the continuous development of 5G, big data, the Internet of Things (IOT) and other technologies, the smart park will realize data sharing, information processing and transmission, and finally tend to be smart city. There are some problems such as unclear design dimensions, poor interactivity of subsystems and high expansion costs in the development of smart park. In the face of these problems, an application-oriented comprehensive management platform system of intelligent park is designed. It is built on a digital twin software-defined campus which is scalability and flexibility with wisdom in the cloud and application at the end as the core service concept. The overall system architecture and management platform module composition are introduced in which the software defined network (SDN) technology is used to separate the control plane and data plane and the four dimensions of people, things, affairs and space are digitalization in the smart Park. One application carries a variety of park services such as production, official business handling, property administration and so on to realize the effective application of the underlying network facilities. The project of high-tech information intelligent park of the Chinese Sixth Design and Research Institute of Machinery Industry Company Limited has been implemented. As an engineering case the platform system can provide personalized design for the park and carry out multi-professional and multi-terminal integrated management, application and display so as to improve the intelligent management level and the service experience to create greater economic and social value.","PeriodicalId":52513,"journal":{"name":"Electronic Journal of Structural Engineering","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47443748","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

Machine Learning-based Optimum Reinforced Concrete Design for Progressive Collapse 基于机器学习的钢筋混凝土渐进倒塌优化设计

IF 0.6

Electronic Journal of Structural Engineering Pub Date : 2023-03-30 DOI: 10.56748/ejse.233642

M. Esfandiari, Homa Haghighi, G. Urgessa

引用次数: 2

Stability Consideration in Design of Steel Structures: A Review 钢结构设计中的稳定性考虑

IF 0.6

Electronic Journal of Structural Engineering Pub Date : 2023-03-30 DOI: 10.56748/ejse.234142

F. De’nan, Jia-Shen Lau, Adham Mohamade Ounahe, Mohamed Inas Kamel, N. Hashim

{"title":"Stability Consideration in Design of Steel Structures: A Review","authors":"F. De’nan, Jia-Shen Lau, Adham Mohamade Ounahe, Mohamed Inas Kamel, N. Hashim","doi":"10.56748/ejse.234142","DOIUrl":"https://doi.org/10.56748/ejse.234142","url":null,"abstract":"The adoption of steel in the construction industry will consistently grow due to rapid urbanisation and the demand of more structures and infrastructures. The main reasons of steel adaptation in construction industry are due to steel attributes that are flexible, sustainable, cost effective and a versatile material. The significant characteristics of steel provide the suitability for the construction of structures such as tall buildings and bridges all around the world. Along with the constant development of technology, the steel industry also aims to increase the sustainability of steel structure construction through constructing low carbon neutral and energy efficient building with steels. Moreover, steels are also considered as one of the most recycled materials in the world which allows the enhancement of the overall environmental performance of a structure’s life cycle. With the increasing utilisation of steel in the design of structures, the stability consideration of the steel structures has become the most crucial concern during the structural designing phase. Stability of structures is vital for every building as the structure instability may lead to catastrophe such as structural collapse that may threatens the safety of occupants inside the building as well as the well -being of the community around the area.","PeriodicalId":52513,"journal":{"name":"Electronic Journal of Structural Engineering","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44332869","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

Compression and Bond Properties of Fired Clay Brick Masonry with Cocopeat Blended Binding Mortar 椰浆混合粘结砂浆烧制粘土砖砌体的抗压粘结性能

IF 0.6

Electronic Journal of Structural Engineering Pub Date : 2023-03-30 DOI: 10.56748/ejse.233942

Sathiparan Navaratnarajah, Madhuranya Muralitharan

引用次数: 0

Research on construction data association management of Urban Rail Transit Based on BIM 基于BIM的城市轨道交通施工数据关联管理研究

IF 0.6

Electronic Journal of Structural Engineering Pub Date : 2023-01-23 DOI: 10.56748/ejse.233611

Liangliang Liu, Hongmei Yao, Yanmei Huang, Y. Song

引用次数: 0

Comparative Examinations of Structural Responses of Concrete Reinforced with Treated Oil Palm Empty Fruit Bunch (TOPEFB) and Untreated Oil Palm Empty Fruit Bunch (OPEFB) Fibres 油棕空果束(TOPEFB)和未处理油棕空果束(OPEFB)纤维增强混凝土结构响应的比较研究

IF 0.6

Electronic Journal of Structural Engineering Pub Date : 2023-01-23 DOI: 10.56748/ejse.233891

C. Fapohunda, H. B. Adekunle, H. O. Adebayo, V. O. Olapade, A. Kilani

{"title":"Comparative Examinations of Structural Responses of Concrete Reinforced with Treated Oil Palm Empty Fruit Bunch (TOPEFB) and Untreated Oil Palm Empty Fruit Bunch (OPEFB) Fibres","authors":"C. Fapohunda, H. B. Adekunle, H. O. Adebayo, V. O. Olapade, A. Kilani","doi":"10.56748/ejse.233891","DOIUrl":"https://doi.org/10.56748/ejse.233891","url":null,"abstract":"The findings from the investigation conducted, to compare the structural performance of concrete containing treated (TOPEFB) and untreated Empty Oil Palm Fruit Bunch (OPEFB) fibres are presented in this paper. For the TOPEFB fibres, the dried fibres were treated with 0.2% NAOH solution following the procedures of appropriate authority. The structural parameters investigated were consistencies, setting times, densities, compressive and tensile strengths of concrete incorporating TOPEFB and OPEFB fibres in the mix. The addition of fibres was limited to 1.20% by weight of cement in the concrete. The interval of addition was 0.2%. The results showed that (i) the setting times of mortars containing TOPEFB fibres were higher than that of mortars with OPEFB fibres, (ii) concrete specimens containing TOPEFB fibres are more workable that concrete specimens with OPEFB fibres, (iii) densities of concrete specimens containing OPEFB fibres were in the range for normal concrete applications while the densities for specimens with TOPEFB developed densities that fell in the heavy weight concrete classification, (iv) concrete specimens containing TOPEFB fibres developed higher compressive strengths than specimens with OPEFB fibres and (v) tensile strengths of concrete specimens containing TOPEFB fibres were higher than specimens with OPEFB fibres by at least 59.04%. The overall conclusion from the findings of this study is that concrete specimens containing TOPEFB fibres have superior structural properties than specimens with OPEFB fibres ","PeriodicalId":52513,"journal":{"name":"Electronic Journal of Structural Engineering","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45502739","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

Bridge deck analysis of transversely post-tensioned concrete box girder bridges 横向后张法混凝土箱梁桥面板分析

IF 0.6

Electronic Journal of Structural Engineering Pub Date : 2023-01-23 DOI: 10.56748/ejse.234101

J. Edmunds, L. Franco, T. Jayasinghe, Thusitha Ginigaddara, P. Vaz-Serra, P. Mendis

{"title":"Bridge deck analysis of transversely post-tensioned concrete box girder bridges","authors":"J. Edmunds, L. Franco, T. Jayasinghe, Thusitha Ginigaddara, P. Vaz-Serra, P. Mendis","doi":"10.56748/ejse.234101","DOIUrl":"https://doi.org/10.56748/ejse.234101","url":null,"abstract":"For rural bridges in Australia, a common design practice is pouring in-situ concrete on top of beams in order to tie all the beams together and distribute load. However, pouring concrete on-site creates more risk and contractors prefer to avoid it. Another method is using transverse post tensioning to tie beams. This article investigated the behaviour of transverse post-tensioning bars in providing load distribution between beams and ultimately comment on their effectiveness compared to in-situ poured decks. Currently, the industry has not completely investigated this matter in order to design post-tensioning accurately. Conservative estimates are currently used in industry today. Current practice is 50% of the design load on the beam where the load is applied in their design assumptions which is quite high. The team modelled concrete box girder bridges with transverse post-tensioning using grillage method. Several factors were investigated including bridge length and width, bridge skew and beam type. From the models, the team concluded that increasing the bridge span increases the load distribution, the load distribution difference is negligible for skew between 0 and 20 degrees and larger shear actions are observed with increased skew and width. It was determined that the worst-case total load on the beam where the load as applied was found to be 40.5%, 9.5% less than current practice. It is recommended that a similar investigation is conducted using a finite element method to gain a deeper understanding.","PeriodicalId":52513,"journal":{"name":"Electronic Journal of Structural Engineering","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47834585","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