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Seismic Upgradation of Building Using Shear Wall and Bracing 利用剪力墙和支撑对建筑物进行抗震改造
Pub Date : 2024-07-31 DOI: 10.22214/ijraset.2024.63711
Sunil Kumar Sagar
Abstract: The seismic assessment prepare comprises of exploring in case the structure meets the defined target structural performance levels. The main goal during earthquakes is to assure to people is minimized and beyond that to satisfy postearthquake performance level for defined range of seismic hazards. Rehabilitation prepares points to progress seismic execution and adjust the lacks by increasing quality, firmness or distortion capacity and making strides associations. Hence, a proposed retrofit execution can be said to be fruitful in the event that it comes about an increment in strength and ductility capacity of the structure which is more noteworthy than the requests forced by earthquakes. Seismic force, predominantly being an inertia force depends on the mass of the structure. As the mass of the structure increases the seismic forces also increase causing the requirement of even heavier sections to counter that heavy forces. And these heavy sections further increase the mass of the structure leading to even heavier seismic forces. Structural designers are met with huge challenge to balance these contradictory physical phenomena to make the structure safe. The structure no more can afford to be rigid. This introduces the concept of ductility. The structures are made ductile, allowing it yield in order to dissipate the seismic forces. A framed structure can be easily made ductile by properly detailing of the reinforcement. But again, as the building height goes beyond a certain limit, these framed structure sections (columns) get larger and larger to the extent that they are no more practically feasible in a structure. There comes the role of shear walls. Shear walls provide ample amount of stiffness to the building frame resisting loads through in plane bending. But they inherently make the structure stiffer. So, there must be a balance between the amount of shear walls and frame elements present in a structure for safe and economic design of high-rise structures
摘要:抗震评估准备工作包括探讨结构是否符合规定的目标结构性能水平。地震期间的主要目标是确保最大限度地减少对人类的伤害,除此之外,还要满足震后在规定的地震灾害范围内的性能水平。改造准备工作的要点是通过提高质量、坚固性或抗变形能力以及加强联系来改进抗震工作和调整不足之处。因此,如果结构的强度和延性能力的提高比地震的要求更显著,则可以说建议的改造执行是富有成效的。地震力主要是一种惯性力,取决于结构的质量。随着结构质量的增加,地震力也随之增加,因此需要更重的截面来抵消这种重力。而这些重型截面又进一步增加了结构的质量,从而导致更重的地震力。结构设计师面临着巨大的挑战,他们需要平衡这些相互矛盾的物理现象,以确保结构的安全。结构不能再僵硬。这就引入了延性的概念。使结构具有延性,使其屈服以消散地震力。通过对钢筋进行适当的细部设计,可以很容易地使框架结构具有延展性。但是,当建筑高度超过一定限度时,这些框架结构的截面(柱子)会越来越大,以至于在结构上不再可行。这就需要剪力墙发挥作用。剪力墙可为建筑框架提供足够的刚度,通过平面弯曲来抵抗荷载。但剪力墙本身也会使结构更加坚硬。因此,必须在结构中的剪力墙和框架构件的数量之间取得平衡,以便安全、经济地设计高层建筑结构。
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引用次数: 0
Decoding the Future: A Comprehensive Review of Machine Learning Innovations and Applications 解码未来:机器学习创新与应用综述
Pub Date : 2024-07-31 DOI: 10.22214/ijraset.2024.63667
Bhavika C. Donga, Piyush D. Pitroda, Dr. Hasmukh B. Domadiya, D. H. Domadiya
Abstract: In the current scenario of the 4th Industrial Revolution (4IR or Industry 4.0), the digital world is a full of data, such as Internet of Things (IoT) data, business data, mobile data, cyber security data, social media data, etc. To intelligently analyze these data and develop the corresponding smart and automated applications, the knowledge of artificial intelligence (AI), particularly, machine learning (ML) is the key. Supervised, unsupervised, semi-supervised and reinforcement learning are the different types of machine learning algorithms. In addition to the deep learning is part of a broader family of machine learning methods that can wisely analyze the data on a large scale. This study's primary contribution is its explanation of the fundamentals of numerous machine learning techniques and how they can be applied in a wide range of real-world application areas, including e-commerce, cyber security systems, smart cities, healthcare, and agriculture, among many others. The main use of machine learning is to show off its potential for generating consistently accurate estimations. This review paper's primary objective is to give an overview of machine learning and provide machine learning approaches
摘要:在当前第四次工业革命(4IR 或工业 4.0)的背景下,数字世界充满了数据,如物联网(IoT)数据、商业数据、移动数据、网络安全数据、社交媒体数据等。要对这些数据进行智能分析并开发相应的智能和自动化应用,人工智能(AI)知识,尤其是机器学习(ML)知识是关键。监督学习、无监督学习、半监督学习和强化学习是机器学习算法的不同类型。此外,深度学习也是更广泛的机器学习方法家族的一部分,可以对大规模数据进行明智的分析。本研究的主要贡献在于解释了众多机器学习技术的基本原理,以及如何将它们应用于广泛的现实应用领域,包括电子商务、网络安全系统、智能城市、医疗保健和农业等。机器学习的主要用途是展示其产生持续准确估计的潜力。本综述论文的主要目的是概述机器学习,并提供机器学习方法
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引用次数: 0
Sheet Flow Simulation for Sheet Metal Die Optimization Using Simcenter 3D Software 使用 Simcenter 3D 软件为金属薄板模具优化进行板材流动模拟
Pub Date : 2024-07-31 DOI: 10.22214/ijraset.2024.63597
Madhav Gupta
Abstract: This research paper explores the advantages and applications of scrap flow simulation in sheet metal dies manufacturing processes. Scrap flow simulation provides valuable insights into material utilization, die design optimization, and overall efficiency in sheet metal forming operations. The study investigates the impact of scrap flow simulation on reducing waste, improving tool life, and enhancing the quality of sheet metal components, ultimately contributing to the advancement of manufacturing processes.
摘要:本文探讨了废料流模拟在钣金模具制造过程中的优势和应用。废料流模拟为钣金成型操作中的材料利用、模具设计优化和整体效率提供了宝贵的见解。该研究探讨了废料流模拟对减少浪费、提高工具寿命和提高金属板材部件质量的影响,最终促进了制造工艺的进步。
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引用次数: 0
Seismic Analysis of Irregular Multistorey Building 不规则多层建筑的抗震分析
Pub Date : 2024-07-31 DOI: 10.22214/ijraset.2024.63672
Riju Kumari, Gautam Kumar
Abstract: The seismic analysis of buildings is crucial for ensuring structural safety and resilience against earthquake forces. Irregularities in building configurations pose unique challenges, influencing the distribution of seismic forces throughout the structure. This study focuses on the seismic analysis of a G+12 building characterized by irregularities in plan and elevation using STAAD.Pro software. Here we have taken four models consisting of bare bay frame , bay frame with shear wall on one corner, , bay frame with shear wall on two opposite corners, , bay frame with shear wall on all corners for the further analysis. This research contributes to enhancing understanding and design practices for irregular high-rise buildings, emphasizing the importance of advanced analytical tools in seismic engineering. From this analysis we can conclude that within all four models ,building having shear wall on all four sides shows minimal deflection attributed to its maximum stiffness characteristics, hence considered most stable
摘要:建筑物的抗震分析对于确保结构安全和抗震能力至关重要。建筑结构的不规则性会影响整个结构的地震力分布,从而带来独特的挑战。本研究的重点是使用 STAAD.Pro 软件对平面和立面不规则的 G+12 建筑进行抗震分析。在此,我们选取了四个模型进行进一步分析,这四个模型分别是:裸湾式框架、一角有剪力墙的湾式框架、两个对角有剪力墙的湾式框架、所有角都有剪力墙的湾式框架。这项研究有助于加强对不规则高层建筑的理解和设计实践,强调了先进分析工具在抗震工程中的重要性。通过分析,我们可以得出结论,在所有四种模型中,四面都有剪力墙的建筑由于其最大刚度特性,挠度最小,因此被认为是最稳定的建筑。
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引用次数: 0
Comparative Analysis of CROYOGENIC and MQL Machining of EN-19 Steel EN-19 钢的 CROYOGENIC 和 MQL 加工对比分析
Pub Date : 2024-07-31 DOI: 10.22214/ijraset.2024.63622
Patil Rutuja Avinash
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引用次数: 0
Harvesting Knowledge: Data Science and Machine Learning Techniques for Evaluating Pesticide Impact in Vegetable Organic Farming 收获知识:评估蔬菜有机种植中农药影响的数据科学和机器学习技术
Pub Date : 2024-07-31 DOI: 10.22214/ijraset.2024.63554
Aditi Chavan
Abstract: The integration of data science and machine learning is revolutionizing the assessment of pesticide impact in organic vegetable farming. This review explores methodologies, applications, and research examples showcasing the transformative potential of data-driven approaches. Remote sensing, including satellite imagery and drones, is essential for monitoring crop health and detecting pesticide impacts on vegetable crops like tomatoes, lettuce, and red peppers. By synthesizing research and trends, the review underscores technology's significance in informed decision-making for sustainable vegetable organic farming practices. Spectral analysis and vegetation indices quantify changes in crop health, informing pesticide efficacy and environmental impact. Sensor networks and IoT devices allow real-time monitoring of environmental conditions and pesticide dynamics, optimizing application practices to minimize contamination while maximizing yield. Machine learning, particularly decision tree-based models like random forests, predicts and mitigates pesticide impacts by analyzing complex datasets. Incorporating variables such as soil type and climate, these models accurately forecast pesticide fate, aiding in targeted mitigation strategies. Deep learning, such as convolutional neural networks (CNNs), identifies pesticide stress symptoms from digital images of vegetable leaves, facilitating rapid intervention. Challenges like data integration and model interpretability persist, yet ongoing research addresses these through data fusion and explainable AI. This review emphasizes the progress in leveraging data science and machine learning for pesticide impact evaluation in organic vegetable farming. By synthesizing research and trends, it offers insights for future sustainable agriculture applications.
摘要:数据科学与机器学习的结合正在彻底改变有机蔬菜种植中的农药影响评估。本综述探讨了各种方法、应用和研究实例,展示了数据驱动方法的变革潜力。包括卫星图像和无人机在内的遥感技术对于监测作物健康和检测农药对番茄、生菜和红辣椒等蔬菜作物的影响至关重要。通过综合研究和趋势,本综述强调了技术在可持续蔬菜有机耕作实践的知情决策中的重要作用。光谱分析和植被指数可量化作物健康状况的变化,为杀虫剂的功效和环境影响提供信息。传感器网络和物联网设备可对环境条件和农药动态进行实时监测,优化施用方法,在最大限度地提高产量的同时减少污染。机器学习,特别是基于决策树的模型(如随机森林),可通过分析复杂的数据集来预测和减轻农药的影响。结合土壤类型和气候等变量,这些模型可以准确预测农药的归宿,帮助制定有针对性的缓解战略。卷积神经网络(CNN)等深度学习可从蔬菜叶片的数字图像中识别农药应激症状,从而促进快速干预。数据整合和模型可解释性等挑战依然存在,但正在进行的研究通过数据融合和可解释人工智能解决了这些问题。本综述强调了有机蔬菜种植中利用数据科学和机器学习进行农药影响评估的进展。通过综合研究和趋势,它为未来的可持续农业应用提供了见解。
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引用次数: 0
Project File in Circular Water Tank 圆形水箱项目文件
Pub Date : 2024-07-31 DOI: 10.22214/ijraset.2024.62980
Sushil Shah
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引用次数: 0
Predicting Student Success and Tailoring Learning Experiences: An Exploration of LSTMs and Causal Analysis 预测学生成功与定制学习体验:对 LSTM 和因果分析的探索
Pub Date : 2024-07-31 DOI: 10.22214/ijraset.2024.63579
Nidhi Sharma
Abstract: This paper explores the potential of machine learning to predict student success and personalize the learning experience. The research focuses on using Long Short-Term Memory (LSTM) networks and causal analysis to achieve these objectives. A comprehensive student dataset from Kaggle was employed in this study, and various machine-learning algorithms, including Logistic Regression, Decision Tree, Random Forest, and K-Nearest Neighbors, were systematically compared and evaluated. Logistic Regression emerged as the most effective model for predicting student success based on specific data characteristics. Beyond prediction, the paper delves into the application of causal analysis to identify factors influencing student performance. Understanding these factors enables the development of a system that recommends personalized learning interventions tailored to individual student needs. The potential benefits of this approach for students, educators, and society are significant, providing a pathway to more effective and personalized education. The paper also addresses the importance of responsible data practices and ethical considerations in the implementation of such technologies.
摘要:本文探讨了机器学习在预测学生成功和个性化学习体验方面的潜力。研究重点是利用长短期记忆(LSTM)网络和因果分析来实现这些目标。本研究采用了来自 Kaggle 的综合学生数据集,并系统地比较和评估了各种机器学习算法,包括逻辑回归、决策树、随机森林和 K-近邻。Logistic 回归成为基于特定数据特征预测学生成功率的最有效模型。除了预测之外,本文还深入探讨了因果分析的应用,以确定影响学生成绩的因素。了解了这些因素,就能开发出一套系统,推荐适合学生个人需求的个性化学习干预措施。这种方法对学生、教育工作者和社会的潜在好处是巨大的,为更有效和个性化的教育提供了一条途径。本文还论述了在实施此类技术过程中负责任的数据实践和道德考量的重要性。
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引用次数: 0
Bioethanol: A Sustainable Liquid Fuel as Substitute to Gasoline 生物乙醇:可替代汽油的可持续液体燃料
Pub Date : 2024-07-31 DOI: 10.22214/ijraset.2024.63555
Abdulsalam A. A, Aliyu S, Bashar B. L, Danillela U. Y, Ahmad Z. U, Aminu M. B, Gbadamosi L. A
Abstract: Fossil fuel dependence is a growing concern due to its contribution to greenhouse gas emission, climatic change and environmental pollution. This highlights the urgency for alternative source of energy that is renewable, environmental friendly, stability in price, and attractive for sustainable development. Bioethanol, a biofuel has emerged as the most acceptable liquid fuel and as a promising alternative to gasoline. Bioethanol, derived from sugars and starch, has raised sustainability concern as it can lead to competition for land use and potentially driven-up food prices especially in developing countries. Meanwhile, Lignocellulosic biomass, a non-food resources, abundant in cellulose and hemicellulose, present a more sustainable feedstock for bioethanol production. This approach could offer advantages like affordability, environmental friendliness, reduce reliance on traditional fuels and compensate for fuel scarcity. Furthermore, bioconversion technology of lignocellulosic biomass to bioethanol is required to improve its efficiency and cost effectiveness, making it a highly attractive option for a greener energy in the future.
摘要:由于化石燃料导致温室气体排放、气候变化和环境污染,对化石燃料的依赖日益引起人们的关注。这突出表明,迫切需要可再生、环保、价格稳定、对可持续发展有吸引力的替代能源。生物乙醇作为一种生物燃料,已成为最容易接受的液体燃料,也是一种很有前途的汽油替代品。从糖和淀粉中提取的生物乙醇引起了可持续发展的关注,因为它可能导致土地使用的竞争,并有可能推高粮食价格,尤其是在发展中国家。同时,木质纤维素生物质是一种非粮食资源,含有丰富的纤维素和半纤维素,是一种更具可持续性的生物乙醇生产原料。这种方法具有经济实惠、环境友好、减少对传统燃料的依赖和弥补燃料短缺等优势。此外,还需要将木质纤维素生物质转化为生物乙醇的生物转化技术,以提高其效率和成本效益,使其成为未来更具吸引力的绿色能源选择。
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引用次数: 0
Metal Ion Uptake Properties of Chelating Ion-Exchange Copolymer Synthesized from 2, 4- Dihydroxypropiophenone and 4-Pyridylamine 由 2,4- 二羟基苯丙酮和 4-吡啶胺合成的螯合离子交换共聚物的金属离子吸收特性
Pub Date : 2024-07-31 DOI: 10.22214/ijraset.2024.63689
N. C. Das
Abstract: The chelating ion exchange copolymer 2,4-DHP-4-PAF-II has been synthesized by condensing 2,4- dihydroxypropiophenone, 4-pyridylamine and formaldehyde in the presence of 2M hydrochloric acid as catalyst using 2:1:3 molar proportion of reacting monomers. The resulting resin has been characterized by elemental analysis, UV-Visible, FT-IR, and 1H-NMR. The morphological feature of copolymer has been studied by scanning electron microscopy (SEM) .
摘要:2,4-二羟基苯丙酮、4-吡啶基胺和甲醛在 2M 盐酸催化剂存在下,以 2:1:3 的反应单体摩尔比缩合合成了螯合离子交换共聚物 2,4-DHP-4-PAF-II。通过元素分析、紫外-可见光、傅立叶变换红外光谱和 1H-NMR 对生成的树脂进行了表征。共聚物的形态特征已通过扫描电子显微镜(SEM)进行了研究。
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引用次数: 0
期刊
International Journal for Research in Applied Science and Engineering Technology
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