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ROLE OF CRAFTSMAN APPLIED TO ARCHITECTURAL EDUCATION ANALYZED THROUGH THE CONCEPTS OF MIMESIS AND PHRONESIS: THE CASE OF DAU IV 通过 "模仿 "和 "phronesis "概念分析建筑教育中工匠的作用:Dau IV 的案例
Pub Date : 2024-03-01 DOI: 10.14455/isec.2024.11(1).aae-09
Javier Benavides, María Lorena Rodríguez
Craftsmanship processes have been lost in the field of architecture due to a technophilic juncture. This situation leads to a lack of manual inputs inherent to the profession for practical application. Thus, the question arises: Is it necessary to return to artisanal practices as project inputs? This question prompts a rethinking of the methodology of the Architectural and Urban Design Workshop IV (DAU IV) at PUCE FADA, shifting towards an analysis of the cultural, vernacular and technical context. This initial section seeks to understand the reality of tectonic culture of the place through observation and experience. Subsequently, with the mimesis as a process of rationalization, the observational exercise is put into practice through exercises in material and tectonic exploration, with the aim of reclaiming the role of the artisan. Thus, the formation of the artisan lies in developing skills for mastery of the craft, phronesis, through direct experience in workshops and laboratories that involve the use of their senses for the understanding of different materials. The expected outcome is the direct application of this learning in the development of an academic architectural project.
由于技术至上,手工艺在建筑领域已经失传。这种情况导致该行业在实际应用中缺乏固有的手工投入。因此,问题出现了:是否有必要回归手工实践作为项目投入?这个问题促使我们重新思考 PUCE FADA 第四期建筑与城市设计讲习班(DAU IV)的方法,转向对文化、乡土和技术背景的分析。最初的部分试图通过观察和体验来了解当地构造文化的现实。随后,将模仿作为一个合理化的过程,通过材料和构造探索练习,将观察练习付诸实践,目的是重新找回工匠的角色。因此,工匠的培养在于通过在车间和实验室的直接体验,利用感官了解不同的材料,培养掌握工艺的技能(phronesis)。预期成果是将所学直接应用于建筑学术项目的开发。
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引用次数: 0
SHEAR EXPERIMENTS ON STRAIGHT REINFORCED CONCRETE SLABS 钢筋混凝土直板的剪切实验
Pub Date : 2024-03-01 DOI: 10.14455/isec.2024.11(1).str-07
Eva O. L. Lantsoght, G. Z. Zarate Garnica, Jiandong Lu, Yuguang Yang, Max Hendriks
As the existing bridge stock is aging, assessment of existing bridges becomes increasingly important. In the Netherlands, the shear capacity of reinforced concrete slab bridges is found to be insufficient. In particular, the shear and punching shear capacity of reinforced concrete slab bridges subjected to concentrated loads from the design tandem or truck is subject to discussion, as the shear behavior is situated in between one-way and two-way shear. Currently, an experimental program is being conducted at Delft University of Technology to determine the shear capacity of straight and skewed reinforced concrete slabs under point loads near to the support. This paper presents the results of the 25 tests conducted on six straight slabs of 5m × 2.5 m × 0.3 m subjected to a proof load testing loading protocol. The failure load and modes of the slabs are described in detail. Reinforced concrete slabs under concentrated loads can fail in shear, punching, and flexure, as well as a combination of these failure modes. The results of the experiments are compared to strength predictions obtained by using current design models and current methods for assessment. These experiments demonstrated that the Dutch guidelines, which are based on previous slab experiments, are an improvement as compared to the Eurocode for the assessment of existing reinforced concrete slab bridges. Ultimately, this work provides recommendations for bridge engineers tasked to assess reinforced concrete skewed slab bridges.
随着现有桥梁的老化,对现有桥梁的评估变得越来越重要。在荷兰,人们发现钢筋混凝土板桥的抗剪能力不足。特别是钢筋混凝土板桥在承受来自设计串联或卡车的集中荷载时的剪切和冲压剪切能力有待讨论,因为其剪切行为介于单向剪切和双向剪切之间。目前,代尔夫特理工大学正在开展一项实验计划,以确定直线和倾斜钢筋混凝土板在支座附近点荷载作用下的抗剪能力。本文介绍了对六块 5 米 × 2.5 米 × 0.3 米的直板进行 25 次测试的结果,这些板均采用了验证荷载测试加载协议。详细介绍了板的破坏荷载和模式。钢筋混凝土板在集中荷载作用下可能会出现剪切、冲孔和挠曲失效,以及这些失效模式的组合失效。实验结果与使用现行设计模型和现行评估方法得出的强度预测结果进行了比较。这些实验结果表明,在评估现有钢筋混凝土板桥方面,荷兰指南(基于之前的板桥实验)与欧洲规范相比有所改进。最终,这项工作为负责评估钢筋混凝土倾斜板桥的桥梁工程师提供了建议。
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引用次数: 0
TEACHING AND APPLYING WATER CONSUMPTION SIMULTANEITY IN RESIDENTIAL: AN ACTIVE LEARNING PROJECT-BASED ENGINEERING APPROACH 住宅用水同步性的教学与应用:基于项目工程的主动学习方法
Pub Date : 2024-03-01 DOI: 10.14455/isec.2024.11(1).aaw-01
Holger Manuel Benavides Muñoz, Luis Fernando Granda Aguilar, Juan Carlos Garcia Espinosa
In the present project, spanning from April 2020 to August 2022, the study focused on Hydraulic Engineering I within the Civil Engineering program and the Hydrosanitary Installation Project in the Architecture program. The objectives included calculating the simultaneity coefficient and determining the maximum probable flow for each student's residence. To achieve these objectives, active learning methodologies, specifically project-based learning (PBL), were adeptly employed to enrich students' practical knowledge and foster collaboration. The process began with architectural surveys of residential properties, followed by inventories of pipes, sanitary appliances, and wet rooms. Measurements of flow rates at various faucet openings (25%, 50%, 75%, and 100%) were conducted, along with the recording of operating pressures within home networks. This data served as the foundation for creating calibration curves, a process carried out over 120 days. Using the collected data, each student developed a hydraulic model of their network and compared the software results to practical measurements. The participants calculated the simultaneity coefficient (Ks) and maximum possible flow for their dwellings using hydraulic design concepts and regulatory standards. The results were documented in technical reports, a video tutorial, and infographics. The research highlights the importance of understanding residential water usage patterns and their potential for optimizing water delivery systems. It also underscores the value of experiential learning, which helps students bridge theory and practice, enhancing technical skills and their understanding of hydraulic engineering.
本项目的时间跨度为 2020 年 4 月至 2022 年 8 月,研究重点是土木工程专业的水利工程 I 和建筑专业的水利工程安装项目。目标包括计算同时性系数和确定每个学生住所的最大可能流量。为了实现这些目标,我们巧妙地采用了主动学习法,特别是基于项目的学习法(PBL),以丰富学生的实践知识并促进合作。首先对住宅进行建筑调查,然后清点管道、卫生设备和潮湿房间。测量了不同水龙头开度(25%、50%、75% 和 100%)下的流量,并记录了家庭网络中的工作压力。这些数据为创建校准曲线奠定了基础,整个过程持续了 120 天。利用收集到的数据,每位学员都建立了自己网络的水力模型,并将软件结果与实际测量结果进行了比较。学员们利用水力设计概念和法规标准计算出同时性系数 (Ks) 和住所的最大可能流量。研究结果记录在技术报告、视频教程和信息图表中。这项研究强调了了解居民用水模式及其对优化输水系统潜力的重要性。它还强调了体验式学习的价值,体验式学习有助于学生在理论和实践之间架起桥梁,提高技术技能和对水利工程的理解。
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引用次数: 0
VERNACULAR AND ENDOGENOUS PARAMETERS: REVISION OF THE MACHUPICCHU WALL AND THE ECOEARTH SANDWICH SYSTEM 本地和本地参数:马丘皮丘城墙和生态土夹层系统的修订
Pub Date : 2024-03-01 DOI: 10.14455/isec.2024.11(1).epe-03
E. Villacis, C. Ayarza, Julio Gutierrez
The study of vernacular construction systems as a means to develop coherent local contemporary alternatives consistent with local resources and cultural processes; the results are endogenous buildings that respond to the eminent global energy crisis. Confined earth construction systems with different structural forms have been used throughout Latin America, specifically in the Andes. With these criteria, the eco earth sandwich system, a confined earth wall with metal sheet containment, has been developed as an alternative wall system. Using local resources, materials, and workforce, The Con Lo Que Hay 14 (CLQH 14) workshop, which translates to “With What is Available, edition 14 workshop,” developed the eco earth sandwich for a small suburban community center in the Ecuadorian Andes, based on vernacular contained earth criteria. Through Arellano and Angel vernacular parameters, this study will evaluate Machu Picchu (Peru) walls with dirt nuclei protected by stone and the eco-earth sandwich system to depict their endogenous and vernacular coherence.
通过对当地建筑体系的研究,开发出与当地资源和文化进程相一致的当地当代替代方案;其成果是应对迫在眉睫的全球能源危机的本土建筑。具有不同结构形式的封闭土建筑系统已在整个拉丁美洲,特别是安第斯地区得到应用。根据这些标准,我们开发了生态土夹层系统,这是一种带有金属板围护结构的密闭土墙,可作为一种替代墙体系统。利用当地的资源、材料和劳动力,Con Lo Que Hay 14 (CLQH 14) 工作坊(译为 "利用现有资源,第 14 版工作坊")为厄瓜多尔安第斯山区的一个小型郊区社区中心开发了生态土夹层系统,该系统基于当地的封闭土标准。本研究将通过 Arellano 和 Angel 的乡土参数,评估马丘比丘(秘鲁)用石块保护土核的墙壁和生态土夹层系统,以描述其内在和乡土的一致性。
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引用次数: 0
DESIGNATION OF THE HEAD LOSS COEFFICIENT IN FITTINGS CFD 指定接头水头损失系数 cfd
Pub Date : 2024-03-01 DOI: 10.14455/isec.2024.11(1).aaw-05
Mireya Lapo-Pauta, Eduardo Carrión-Coronel, Cristhian Pardo
The optimization of pumping systems is important because it leads to an increment of improved energy efficiency. This study analyzes the hydraulic behavior of clean water through pressurized fittings which is analyzed numerically. The numerical experiment is carried out using Ansys Fluent software. The flow characterization through the fittings was performed using the coefficient of minor losses (KL). Two short radius elbows of 45° and 90°, and a PVC tee (simple) were used. The procedure used for the development of the numerical experimentation in this study is as follows: geometry construction, discretization, boundary conditions, configuration of the numerical simulation parameters, validation, CFD parametric study, and the analysis of results. The results of the flow simulation on the meshes showed a high sensitivity to the mesh size. To determine the optimal element size, a mesh independence study was performed, which consisted of refining the mesh to stable values. The numerical results were compared with values calculated using conventional equations for minor losses in the fittings. The KL values were characterized by two methods: in the first one the behavior of KL with respect to Reynolds number in turbulent flow was studied, in the second one the relative percentage of loss error was determined in comparison with previous investigations on this subject. The numerical results showed an acceptable relative error for the three simulated fittings.
泵送系统的优化非常重要,因为它能提高能源效率。本研究分析了净水通过加压配件的水力行为,并对其进行了数值分析。数值实验使用 Ansys Fluent 软件进行。使用微小损失系数 (KL) 对流经管件的水流特性进行了分析。使用了两个 45° 和 90° 的短半径弯头以及一个 PVC 三通(简单)。本研究的数值实验开发流程如下:几何结构、离散化、边界条件、数值模拟参数配置、验证、CFD 参数研究和结果分析。网格上的流动模拟结果表明,网格大小对模拟结果非常敏感。为了确定最佳元素尺寸,进行了网格独立性研究,包括将网格细化到稳定值。数值结果与使用传统方程计算出的配件小损耗值进行了比较。KL 值通过两种方法进行表征:第一种方法是研究 KL 在湍流中与雷诺数有关的行为,第二种方法是将损失误差的相对百分比与之前的相关研究进行比较。数值结果表明,三种模拟配件的相对误差是可以接受的。
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引用次数: 0
SOLAR POWERED OFF-GRID WATER DISTRIBUTION PROJECTS: A CASE STUDY COMPARISON OF TWO COMMUNITIES 太阳能离网输水项目:两个社区的案例研究比较
Pub Date : 2024-03-01 DOI: 10.14455/isec.2024.11(1).epe-12
Lonny Simonian, Paul Redden
This paper presents the pre-construction planning and construction installation phases of student-run projects in Ecuador and Ghana to provide fresh water via pumped water storage through photovoltaic (PV) systems. Our Ecuadorian project relied on a preliminary design prepared by a non-profit organization as the construction basis. The Ghanian project was designed by students, with faculty support. These two case studies were chosen because they had similar project goals, occurred close in time, and had the same faculty and student clubs performing the work. The fundamental project management areas of scope, schedule, and budget management were assessed as a basis for comparison. Although there were several differences between the projects, students gained new knowledge in all of these areas. The work involved several students and two faculty from California Polytechnic State University, San Luis Obispo (Cal Poly). The work included piping connections to direct current submersible pumps, water storage, distribution piping/connections to a village community center or directly to households, PV panels, and an electrical distribution system with overcurrent protection. The initial design was an important part of each project; however, many details were resolved during construction using a design-build approach.
本文介绍了厄瓜多尔和加纳由学生运营的项目的施工前规划和施工安装阶段,该项目通过光伏(PV)系统抽水蓄能提供淡水。厄瓜多尔项目以非营利组织的初步设计为施工基础。加纳项目则是在教师的支持下由学生设计的。之所以选择这两个案例研究,是因为它们的项目目标相似,时间相近,并且由相同的教师和学生社团来完成工作。作为比较的基础,对范围、进度和预算管理等基本项目管理领域进行了评估。虽然项目之间存在一些差异,但学生们在所有这些领域都获得了新知识。加州州立理工大学圣路易斯奥比斯波分校(Cal Poly)的几名学生和两名教师参与了这项工作。工程包括直流潜水泵的管道连接、储水、通往村社区中心或直接通往住户的配水管道/连接、光伏电池板以及带过流保护的配电系统。最初的设计是每个项目的重要组成部分;然而,许多细节都是在采用设计-建造方法的施工过程中解决的。
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引用次数: 0
PROMOTION INVESTMENT EVOLUTION OF CONSTRUCTION REAL ESTATE PROJECTS 促进建筑房地产项目的投资演变
Pub Date : 2024-03-01 DOI: 10.14455/isec.2024.11(1).cpm-03
Miguel Andrés Andrés Guerra, Steban Hidalgo, Freddy Miño, Cristian Yanouch, Steve Calahorrano, GIOVANNA RODRIGUEZ
The success of real estate projects is not only related to the quality of the product but also to the commercial strategy and understanding how to manage resources and distribute them properly such that the information arrives to the interested audience. The purpose of this study is to determine the evolution of the promotion investment for real estate projects located in Quito, Ecuador throughout the last 20 years. For this, researchers collected commercial and general variables for 339 real estate business plans for projects that were built between 2005 and 2021. The information was recorded in a matrix and then analyzed to identify correlations and trends between the variables. Projects were classified by their type of construction, size, and socioeconomic level, and the percentage of investment in advertising for each of them was identified. The paper shows the evolution of the investment distribution according to different types of advertising avenues and projects. Practitioners can use the results as a guide to develop promotion strategy in order to invest promotion resources in a real estate project and predict its commercial performance.
房地产项目的成功不仅与产品的质量有关,还与商业战略以及如何管理资源和合理分配资源以便将信息传递给感兴趣的受众有关。本研究的目的是确定过去 20 年厄瓜多尔基多房地产项目推广投资的演变情况。为此,研究人员收集了 2005 年至 2021 年间 339 个房地产项目商业计划中的商业和一般变量。这些信息被记录在一个矩阵中,然后进行分析,以确定变量之间的相关性和趋势。根据建筑类型、规模和社会经济水平对项目进行了分类,并确定了每个项目的广告投资比例。本文展示了不同类型广告途径和项目的投资分布演变情况。从业人员可以将研究结果作为制定推广战略的指南,以便将推广资源投入到房地产项目中,并预测其商业表现。
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引用次数: 0
AUTOMATION IN CONSTRUCTION: EDUCATION AND TRAINING FOR WORKFORCE DEVELOPMENT 建筑业自动化:劳动力发展的教育和培训
Pub Date : 2024-03-01 DOI: 10.14455/isec.2024.11(1).con-12
Mohammad Ilbeigi, Xi Chen
The construction industry's 4th industrial revolution is transforming the nature of work for construction professionals and pushing them to gain new qualifications in terms of skills, knowledge, and abilities. Educational and training programs play a vital role in workforce development during this rapidly evolving transition. Although the construction research community has paid increasing attention to better understanding the emerging needs for education and training, there is still little knowledge about the design of novel educational and training approaches to overcome the unprecedented challenges during the automation era. The first step toward directing future research and investments in this domain is to systematically understand the scope of the present knowledge and identify the knowledge gaps that form the foundations for future research directions. This research fulfills this requirement by undertaking a scoping review utilizing the Preferred Reporting Items for Systematic Reviews and Meta-Analysis extension for Scoping Review (PRISMA-ScR) guidelines. The extracted information from the identified relevant studies was synthesized and mapped using a well-established framework. Using the outcomes of the systematic scoping review and its synthesis process, a series of knowledge gaps and potential directions for future research and scholarly works were identified and discussed.
建筑业的第四次工业革命正在改变建筑专业人员的工作性质,并促使他们在技能、知识和能力方面获得新的资质。在这一快速发展的转变过程中,教育和培训计划在劳动力发展方面发挥着至关重要的作用。尽管建筑研究界越来越关注如何更好地了解新出现的教育和培训需求,但对于如何设计新颖的教育和培训方法来克服自动化时代前所未有的挑战,仍然知之甚少。指导该领域未来研究和投资的第一步是系统地了解现有知识的范围,找出知识差距,为未来研究方向奠定基础。本研究利用《系统综述和元分析扩展首选报告项目》(PRISMA-ScR)指南进行了范围界定综述,从而满足了这一要求。我们利用一个完善的框架,对从已确定的相关研究中提取的信息进行了综合和映射。利用系统性范围界定综述及其综合过程的成果,确定并讨论了一系列知识差距以及未来研究和学术著作的潜在方向。
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引用次数: 0
SUSTAINABLE URBAN ARCHITECTURAL REHABILITATION OF AIRPORT INFRASTRUCTURES 机场基础设施的可持续城市建筑改造
Pub Date : 2024-03-01 DOI: 10.14455/isec.2024.11(1).aae-07
Christine De Franca Van Sluys, Esteban Nicolás Jaramillo Serrano
This paper presents a proposal for the sustainable urban-architectural rehabilitation of the former Quito airport building in Ecuador. The research focuses on exploring the implementation of nature-based solutions to optimize environmental performance and mitigate the impacts of climate change at the urban scale. Additionally, sustainable, and bioclimatic design strategies are investigated to enhance energy efficiency and resource consumption at the architectural scale. A notable aspect of the rehabilitation of the existing building is the use of glued laminated timber as the main material. This construction system has become an increasingly popular solution due to its technical, aesthetic, and environmental advantages, positioning it as a sustainable alternative capable of significantly reducing carbon emissions associated with construction. This approach not only enables the conversion of an obsolete urban area but also contributes to the preservation of important architectural heritage, making this proposal a flagship project in the responsible use of renewable natural resources in the construction industry.
本文介绍了对厄瓜多尔前基多机场建筑进行可持续城市建筑改造的建议。研究的重点是探索实施基于自然的解决方案,以优化环境性能,减轻气候变化对城市的影响。此外,还研究了可持续和生物气候设计策略,以提高建筑规模的能源效率和资源消耗。修复现有建筑的一个显著特点是使用胶合层压木材作为主要材料。这种建筑系统因其技术、美学和环境方面的优势,已成为一种日益流行的解决方案,并被定位为一种可持续的替代方案,能够显著减少与建筑相关的碳排放。这种方法不仅能够改造陈旧的城区,还有助于保护重要的建筑遗产,使该提案成为建筑行业负责任地使用可再生自然资源的旗舰项目。
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引用次数: 0
STRENGTH DEVELOPMENT IN CLAY-STABILIZED BRICKS WITH CEMENT AND RICE BY-PRODUCTS 使用水泥和大米副产品的粘土稳定砖的强度发展
Pub Date : 2024-03-01 DOI: 10.14455/isec.2024.11(1).sus-13
Adriana Camacho, María Mena, Jorge Albuja-Sánchez, Dana Cruz, Mariela Anaguano-Marcillo
Bricks, traditionally used in the construction sector, use high energy and generate significant emissions of CO2 in their production process. As a result, as a lower-impact and low-cost alternative, this study analyzed different types of mixtures of soil, cement, rice husk, and rice husk ash to decrease the amount of cement, which was substituted gradually with rice husk and rice husk ash, to stabilize and improve the characteristics of clay, and to compare the effectiveness of earth stabilized bricks respect to traditional bricks. The research was carried out in three phases which were soil-cement, soil-cement-rice husk ash, and soil-cement-rice husk ash-rice husk, from which we concluded the best mixture consists in low-plasticity clay soil (CL), 14% Portland cement, 6% rice husk ash, and 4% rice husk, which in the simple compressive strength after 7 days of curing is not affected by the decrease in cement but increases by 0.41 MPa, which in addition shows better results in simple compression, absorption, and flexure tests than traditional bricks.
砖块是建筑行业的传统材料,在生产过程中需要消耗大量能源并排放大量二氧化碳。因此,作为一种低影响、低成本的替代方法,本研究分析了不同类型的土壤、水泥、稻壳和稻壳灰混合物,以减少水泥用量,逐步用稻壳和稻壳灰替代水泥,稳定和改善粘土的特性,并比较土质稳定砖与传统砖的效果。研究分三个阶段进行,分别是土壤-水泥、土壤-水泥-稻壳灰、土壤-水泥-稻壳灰-稻壳,从中我们得出结论,最佳混合物由低塑性粘土(CL)、14% 的硅酸盐水泥、6% 的稻壳灰和 4% 的稻壳组成,在养护 7 天后,其简单抗压强度不受水泥用量减少的影响,反而增加了 0.41 兆帕,此外,在简单抗压、吸收和弯曲试验中,其结果均优于传统砖块。
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引用次数: 0
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Proceedings of International Structural Engineering and Construction
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