International Journal of Steel Structures最新文献_第3页

Effects of Proton Irradiation and Chloride Ions on the Corrosion Behavior of Stainless Steel 304L 质子辐照和氯离子对304L不锈钢腐蚀行为的影响

IF 1.1 4区工程技术

International Journal of Steel Structures Pub Date : 2025-01-03 DOI: 10.1007/s13296-024-00932-6

Ahsan Ejaz, Mehmoona Mehfooz, Ishaq Ahmad, Madiha Shadab, Muhammad Kamran Khalid, Kong Fah Tee, Tie-Shan Wang

{"title":"Effects of Proton Irradiation and Chloride Ions on the Corrosion Behavior of Stainless Steel 304L","authors":"Ahsan Ejaz, Mehmoona Mehfooz, Ishaq Ahmad, Madiha Shadab, Muhammad Kamran Khalid, Kong Fah Tee, Tie-Shan Wang","doi":"10.1007/s13296-024-00932-6","DOIUrl":"10.1007/s13296-024-00932-6","url":null,"abstract":"<div><p>Non-irradiated and proton-irradiated stainless steel (SS) 304L samples were subjected to corrosion tests in various concentrations of Cl<sup>−</sup> ions at room temperature. The electrochemical impedance spectroscopy techniques were used to investigate the corrosion behavior, and X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to analyze the phase composition and surface morphology. After irradiation, the open circuit potential (OCP) of SS 304L shifted from the passive state to the active dissolution state. It caused the shift of the anodic current peak towards the lower potential, demonstrating the reactivity of the surface and it may increase the corrosion process. The lower semi-circle of impedance for the irradiated SS 304L confirms the localized corrosion process and breakdown of passive films, it enhanced the localized corrosion as indicated by SEM. XRD peak shows a slight shift in the negative direction and formation of Fe<sub>3</sub>O<sub>4</sub>, for irradiated SS 304L samples. The surface morphology of the irradiated sample consisted of tiny pieces of corrosion product in the surroundings of pits. In contrast, the number and size of pits increased with the concentration of Cl<sup>−</sup> ions in the solutions. Higher Cl<sup>−</sup> ions are aggressive towards pitting corrosion for the non-irradiated SS 304L, however, irradiation accelerated the pitting initiation process for SS 304L.</p></div>","PeriodicalId":596,"journal":{"name":"International Journal of Steel Structures","volume":"25 2","pages":"424 - 435"},"PeriodicalIF":1.1,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143848887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Correction: Experimental Evaluation on LTB Strength of Steel Beams Externally Pre-stressed with Un-bonded Tendon Bar 修正：无粘结筋杆外预应力钢梁LTB强度的试验评价

IF 1.1 4区工程技术

International Journal of Steel Structures Pub Date : 2024-12-30 DOI: 10.1007/s13296-024-00926-4

Sung-Bo Kim, Agha Intizar Mehdi, Moon-Young Kim

引用次数: 0

Assessing Cold-Formed Steel Section Performance in Fire: A Comprehensive Review of Numerical Models and Resistance Factors 评估冷弯型钢在火灾中的性能：数值模型和阻力因素的综合综述

IF 1.1 4区工程技术

International Journal of Steel Structures Pub Date : 2024-12-23 DOI: 10.1007/s13296-024-00929-1

Fatimah De’nan, Cheah Yue Yeou, Wan Safizah Wan Salim, Noorhazlinda Abd Rahman, Nor Salwani Hashim

{"title":"Assessing Cold-Formed Steel Section Performance in Fire: A Comprehensive Review of Numerical Models and Resistance Factors","authors":"Fatimah De’nan, Cheah Yue Yeou, Wan Safizah Wan Salim, Noorhazlinda Abd Rahman, Nor Salwani Hashim","doi":"10.1007/s13296-024-00929-1","DOIUrl":"10.1007/s13296-024-00929-1","url":null,"abstract":"<div><p>This review presents fresh evidence on the last decade (2010–2021) of research related to numerical modeling techniques that have been employed to comprehend the lateral resistance and buckling behavior of cold-formed steel (CFS) sections when exposed to high temperatures. To attain the principal objective of this study, a systematic literature review (SLR) approach was adopted to address a review question on how numerical modeling has been utilized to investigate the buckling behavior and lateral resistance of CFS sections in elevated temperatures. In addition to the SLR approach, the Preferred Reporting Items for Systematic Reviews and Meta-Analyse (PRISMA) was employed to report all protocols involved in this review work. Based on the review, the impact of fire on the lateral resistance and buckling performance of CFS can be classified according to the type of software, fire curves, numerical models, and design standards. However, the lateral resistance of steel is not a specific attribute that can be measured or evaluated directly from numerical modeling methods. Instead, several structural components and variables can be analyzed as they contribute to the lateral resistance of steel.</p></div>","PeriodicalId":596,"journal":{"name":"International Journal of Steel Structures","volume":"25 1","pages":"125 - 143"},"PeriodicalIF":1.1,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143489452","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structural Performance of Circular Hollow Section Damper Under Loading in Circumferential Direction 圆空心截面阻尼器在周向载荷作用下的结构性能

IF 1.1 4区工程技术

International Journal of Steel Structures Pub Date : 2024-12-09 DOI: 10.1007/s13296-024-00925-5

Jinwoo Kim, Susumu Kuwahara, Seung-Hun Kim, Hae-Yong Park

{"title":"Structural Performance of Circular Hollow Section Damper Under Loading in Circumferential Direction","authors":"Jinwoo Kim, Susumu Kuwahara, Seung-Hun Kim, Hae-Yong Park","doi":"10.1007/s13296-024-00925-5","DOIUrl":"10.1007/s13296-024-00925-5","url":null,"abstract":"<div><p>A circular hollow section steel damper exhibits equivalent structural performance in an external force direction owing to its circular cross-sectional shape. When a circular hollow section steel damper is placed in a building with stud supports, the stud supporting the damper is connected to the upper and lower beams. When an earthquake occurs, the shear force in the in-plane direction acts on the damper through the stud from the beam. However, depending on the three-dimensional behavior of the building and the arrangement of the damper and surrounding members, a load other than that in the in-plane direction might act on the damper. In this study, the mechanical characteristics of a circular hollow section steel damper in the external force direction were analyzed according to the cyclic load in the circumferential direction using finite element analysis. A reliable finite element analysis model was constructed based on the results of a previous study on unidirectional cyclic loading. The analysis results under cyclic loading conditions in circumferential directional cyclic loading were compared with those under unidirectional cyclic loading. The hysteresis curve resulted in a circular shape under circular directional loading. Moreover, the x- and y-direction load–displacement curves showed a similar strength-increasing ratio to unidirectional loading. Under circumferential directional loading, the strain was concentrated at the end of the welded part, similar to that under unidirectional loading. Furthermore, the strain was distributed in the circumferential directional loading, showing a smaller value than that of unidirectional loading.</p></div>","PeriodicalId":596,"journal":{"name":"International Journal of Steel Structures","volume":"25 1","pages":"111 - 124"},"PeriodicalIF":1.1,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143489441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Rail Flaw B-Scan Image Analysis Using a Hierarchical Classification Model 基于层次分类模型的钢轨缺陷b扫描图像分析

IF 1.1 4区工程技术

International Journal of Steel Structures Pub Date : 2024-12-07 DOI: 10.1007/s13296-024-00927-3

Guoxi Hu, Jie Li, Guoqing Jing, Peyman Aela

{"title":"Rail Flaw B-Scan Image Analysis Using a Hierarchical Classification Model","authors":"Guoxi Hu, Jie Li, Guoqing Jing, Peyman Aela","doi":"10.1007/s13296-024-00927-3","DOIUrl":"10.1007/s13296-024-00927-3","url":null,"abstract":"<div><p>As railway traffic volumes and train speeds increase, rail maintenance is becoming more crucial to prevent catastrophic failures. This study aimed to develop an artificial intelligence (AI)-based solution for automatic rail flaw detection using ultrasound sensors to overcome the limitations of traditional inspection methods. Ultrasound sensors are well-suited for identifying structural abnormalities in rails. However, conventional inspection techniques like rail-walking are time-consuming and rely on human expertise, risking detection errors. To address this, a hierarchical classification model was proposed integrating ultrasound B-scan images and machine learning. It involved a two-stage approach—model A for fuzzy classification followed by Model EfficientNet-B7 was identified as the most effective architecture for both models through network comparisons. Experimental results demonstrated the model's ability to accurately detect rail flaws, achieving 88.56% accuracy. It could analyze a single ultrasound image sheet within 0.45 s. An AI-based solution using ultrasound sensors and hierarchical classification shows promise for automated, rapid, and reliable rail flaw detection to support safer railway infrastructure inspection and maintenance activities.</p></div>","PeriodicalId":596,"journal":{"name":"International Journal of Steel Structures","volume":"25 2","pages":"389 - 401"},"PeriodicalIF":1.1,"publicationDate":"2024-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s13296-024-00927-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143849020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Performance Analysis of Yielding Tubular Dampers in Steel Frame Knee Braces: A Finite Element Study 钢框架膝撑屈服管式阻尼器性能分析：有限元研究

IF 1.1 4区工程技术

International Journal of Steel Structures Pub Date : 2024-12-06 DOI: 10.1007/s13296-024-00923-7

Liqun Ding, Haibo Jiao

{"title":"Performance Analysis of Yielding Tubular Dampers in Steel Frame Knee Braces: A Finite Element Study","authors":"Liqun Ding, Haibo Jiao","doi":"10.1007/s13296-024-00923-7","DOIUrl":"10.1007/s13296-024-00923-7","url":null,"abstract":"<div><p>The primary objective of this study is to examine the impact of tubular dampers exhibiting yielding behavior within knee braces and to evaluate diverse parameters affecting the efficacy of steel frames. To this end, six novel types of yielding metal dampers were introduced and subsequently analyzed for their performance within steel frames utilizing finite element analysis facilitated by ABAQUS software. Through static analyses conducted under cyclic loading conditions, the influence of various geometric parameters on the mechanical characteristics and energy absorption capabilities of these dampers was investigated. The findings indicate that modifying the damper geometry can result in alterations of up to 6% in ultimate strength and up to 8% in yield strength. Also, the three-tube mesh model showed the highest yield strength among the different configurations that were studied. The study further shows that the model 3PIPE damper developed the highest bearing force, about 371 kN, while the PIPE-2L model damper showed the least bearing force, which is about 24% of that developed by the model 3PIPE damper.</p></div>","PeriodicalId":596,"journal":{"name":"International Journal of Steel Structures","volume":"25 1","pages":"95 - 110"},"PeriodicalIF":1.1,"publicationDate":"2024-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143489493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Advanced Structural Health Monitoring of Bridges Using Representative Power Spectral Density Analysis: A Case Study on the Giongong_To Bridge, Ho Chi Minh City, Vietnam 基于代表性功率谱密度分析的桥梁结构健康监测——以越南胡志明市公渡大桥为例

IF 1.1 4区工程技术

International Journal of Steel Structures Pub Date : 2024-12-05 DOI: 10.1007/s13296-024-00928-2

Thanh Q. Nguyen, Thuy T. Nguyen, Phuoc T. Nguyen

引用次数: 0

Fundamental Study for Slip Resistance Improvement of High-Strength Bolted Joints Subjected to Shear and Tension 提高高强度螺栓连接抗剪抗拉性的基础研究

IF 1.1 4区工程技术

International Journal of Steel Structures Pub Date : 2024-11-27 DOI: 10.1007/s13296-024-00922-8

Yuma Sugimoto, Soshi Kato

{"title":"Fundamental Study for Slip Resistance Improvement of High-Strength Bolted Joints Subjected to Shear and Tension","authors":"Yuma Sugimoto, Soshi Kato","doi":"10.1007/s13296-024-00922-8","DOIUrl":"10.1007/s13296-024-00922-8","url":null,"abstract":"<div><p>The objective of this study was to refine the slip resistance formulas for high-strength bolted joints subjected to combined shear and tension forces. Traditional formulas typically assume that the prying force generated at the contact surface does not contribute to the slip resistance. To explore the influences of the prying force on slip resistance, a trial design was conducted based on the <i>Specifications for Highway Bridges</i> and <i>Recommendation for Design of High Strength Tensile Bolted Connections for Steel Bridges</i>, with variations in parameters such as bolt diameter, bolt pitch, joint flange thickness, and joint flange material. Additionally, numerical analyses were performed to validate the design methodology incorporating prying force. The trial design results demonstrated that the slip capacity improved when the prying force was considered, especially in cases where the external force direction ranged between 27.6 and 90 degrees. The maximum observed improvement in slip capacity was a factor of 1.2. Moreover, the slip resistance of joints with thinner flanges was enhanced when prying force effects were accounted for. This increase in slip capacity due to prying force was further corroborated through fine element method (FEM) simulations. Finally, the findings suggest the potential for enhancing joint compactness and slip resistance.</p></div>","PeriodicalId":596,"journal":{"name":"International Journal of Steel Structures","volume":"25 1","pages":"293 - 305"},"PeriodicalIF":1.1,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s13296-024-00922-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143489434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Innovative Technique for Strengthening Steel Frame Articulated Joints in Restricted Conditions 受限条件下钢架铰接节点加固创新技术

IF 1.1 4区工程技术

International Journal of Steel Structures Pub Date : 2024-11-27 DOI: 10.1007/s13296-024-00924-6

Bin Zhang, Xinkai Huang, Fengliang Zhang, Zhenping Dong, Xiguang Liu, Chenhao Ren, Xinyang Liu, Dong Guo

{"title":"Innovative Technique for Strengthening Steel Frame Articulated Joints in Restricted Conditions","authors":"Bin Zhang, Xinkai Huang, Fengliang Zhang, Zhenping Dong, Xiguang Liu, Chenhao Ren, Xinyang Liu, Dong Guo","doi":"10.1007/s13296-024-00924-6","DOIUrl":"10.1007/s13296-024-00924-6","url":null,"abstract":"<div><p>Upper space limitation problems such as floor slabs and decorative panels on the upper part of steel beams, cause difficulties in the actual strengthening OF steel structures. A new type of retrofitting method for articulated joints of steel frames under the limitation conditions was proposed. The models of articulated joints, rigid joints, and rectangular plate-strengthened joints were established. Finite element analysis was employed to investigate the failure modes, ultimate load-carrying capacity, hysteresis characteristics, ductility, energy dissipation capacity, and stiffness degradation of the joints. Additionally, the parameters of the new strengthened joint models are analyzed. It was found that the hysteresis curves of the strengthening joints were fuller and the bearing capacity and seismic performance were significantly improved, When the length-thickness ratio is less than 20, the bearing and energy dissipation capacities increased with increasing the rectangular strengthening plate size.</p></div>","PeriodicalId":596,"journal":{"name":"International Journal of Steel Structures","volume":"25 1","pages":"266 - 276"},"PeriodicalIF":1.1,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143489435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Parametric Optimization of Tig Welding of Aisi 316L Stainless Steel Using Response Surface Methodology 基于响应面法的aisi316l不锈钢Tig焊接参数优化

IF 1.1 4区工程技术

International Journal of Steel Structures Pub Date : 2024-11-19 DOI: 10.1007/s13296-024-00921-9

Nabendu Ghosh

引用次数: 0