L'art des structures 1 : Câbles et arcs from Coursera

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Syllabus

Introduction

Cette première semaine vous permettra de faire connaissance avec l'environnement du cours sur la plateforme i-structures ainsi de vous rappeler les principes de ce que sont les forces. Le sous-système est un élément décisif que nous utiliserons dans toute la suite du cours. Apprenez donc bien à l'utiliser pour résoudre les problèmes qui vous sont proposés. Prenez le temps de bien comprendre la terminologie que nous utilisons, faites les constructions graphiques en vous assurant que vous pouvez bien imprimer les feuilles et apprenez à utiliser l'applet i-cremona.

Matériaux et dimensionnement

Cette semaine vous présente les principales propriétés des matériaux utilisées pour la construction des structures. Les concepts de dimensionnement et de coefficient de sécurité sont introduits.

Equilibre dans le plan

Après avoir vu comment les structures unidimensionnelles (sur une seule ligne) sont en équilibre et peuvent être dimensionnées, nous passons aux structures bidimensionnelles, qui se situent dans un plan. Les conditions d'équilibre sont présentées.

Câbles avec une charge

Les câbles sont le premier type de structure que nous abordons. Il est très important que vous compreniez parfaitement toutes les leçons en rapport avec les câbles, car les concepts et les constructions graphiques que nous dériverons seront réutilisés dans toutes les leçons suivantes du cours. Nous commençons par le cas le plus simple, celui des câbles avec une seule force. Sur la base des conditions d'équilibre dans le plan, nous obtenons les efforts dans les divers tronçons du câble ainsi que les forces aux appuis. Il est ensuite possible de dimensionner le câble.

Câbles avec plusieurs charges

Le cas suivant est celui de câbles avec deux charges, dont la résolution est un peu plus complexe que les câbles avec une seule charge. Une fois les efforts et forces aux appuis déterminées, le reste est comme la semaine précédente. Finalement, au travers de la méthode du câble auxiliaire, vous verrez comment généraliser au cas de câbles avec plusieurs charges.

Câbles avec charges réparties

Les câbles avec charges réparties sont des câbles soumis à une charge qui agit partout sur la longueur du câble. C'est le cas par exemple du poids propre du câble, que nous avons négligé jusqu'ici. Il est possible de résoudre ce cas en remplaçant la charge répartie par un grand nombre de charges ponctuelles.

Examen intermédiaire

Pour faire des essais ou éventuellement des suppléments de contenu

Arcs

Le deuxième type de structures que nous découvrons dans ce cours est celui des arcs. Ces structures ont un comportement assez différent de celui des câbles, mais nous verrons que la détermination de leurs efforts est très similaire, ce qui nous permettra d'avancer assez rapidement.

Arcs-et-câbles

Les arcs-et-câbles sont des structures qui combinent un arc et un câble. Cela leur confère des propriétés intéressantes et particulières. En tant que type de structures, elles ne sont pas très communes, mais elles serviront d'élément déterminant pour la compréhension et le calcul des structures en treillis dans le cours l'Art des Structures II. Ne cherchez pas ce mot ailleurs : c'est nous qui l'avons inventé, mais c'est un bon nom, très utile.

Examen final

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Enseigne les principes de dimensionnement des structures porteuses et les structures en câbles et en arcs

Destiné aux débutants souhaitant découvrir les bases de l'art des structures

Présenté par Olivier L. Burdet et Aurelio Muttoni, professeurs reconnus dans le domaine

Aborde les méthodes graphiques et les outils de calcul spécifiques à l'étude des structures

Nécessite des connaissances de base en résistance des matériaux

Certains exercices et études de cas nécessitent l'utilisation d'un logiciel de calcul dédié

Reviews summary

Highly reviewed structures course

L'art des structures 1 : Câbles et arcs is a highly reviewed course that covers the principles of designing and analyzing cable and arch structures. Students who take this course will learn how to identify and determine the forces in structural members, as well as how to choose the right materials and dimensions for a given structure. The course also includes a review of statics and the use of the i-Cremona software.

Valuable for professionals

"cour important pour les ingÃ©nieurs "

Detailed and comprehensive lessons

Unique and useful combination

Valuable resources available

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in L'art des structures 1 : Câbles et arcs with these activities:

Trouver un mentor pour obtenir des conseils et du soutien

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Trouver un mentor peut vous fournir des conseils et du soutien précieux tout au long du cours.

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Identifier des personnes dans votre réseau qui ont de l'expérience dans le domaine des structures.
Les contacter pour leur demander s'ils seraient prêts à vous servir de mentor.
Rencontrer régulièrement votre mentor pour discuter de vos progrès, obtenir des commentaires et poser des questions.

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Career center

Learners who complete L'art des structures 1 : Câbles et arcs will develop knowledge and skills that may be useful to these careers:

Structural Engineer

A Structural Engineer designs and analyzes the structural elements of buildings, bridges, and other structures. They work with architects and contractors to ensure that structures are safe and stable. This course may be useful to a Structural Engineer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces. They will learn how to use cables and arcs in their designs, as well as how to apply graphic constructions and applets to structural calculations.

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Structural Detailer

A Structural Detailer prepares drawings that show the details of how a structure is to be built. They work with engineers and architects to ensure that the structure is safe and stable. This course may be useful to a Structural Detailer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces. They will apply the principles of cables and arcs to create better technical drawings.

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Civil Engineer

A Civil Engineer designs, builds, and maintains the physical infrastructure of society, including roads, bridges, buildings, and water supply systems. This course may be useful to a Civil Engineer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces. Knowledge of how cables and arcs work is critical to a civil engineer, as many civil engineering projects involve the use of these.

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Architectural Technologist

An Architectural Technologist assists architects in the design and construction of buildings and other structures. They prepare drawings, specifications, and other documents that are used to construct buildings. This course may be useful to an Architectural Technologist as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces.

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Geotechnical Engineer

A Geotechnical Engineer designs and analyzes the foundations of buildings and other structures. They work with architects, engineers, and contractors to ensure that foundations are safe and stable. This course may be useful to a Geotechnical Engineer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces. They need to understand the behavior of cables and arcs in the soil, which is necessary to ensure the stability of structures.

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Architectural Drafter

An Architectural Drafter prepares drawings that show the plans and specifications for a building or other structure. They work with architects and engineers to ensure that the drawings are accurate and complete. This course may be useful to an Architectural Drafter as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces.

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Transportation Engineer

A Transportation Engineer designs and plans transportation systems, including roads, highways, bridges, and airports. They work with planners, engineers, and contractors to ensure that transportation systems are safe, efficient, and meet the needs of the community. This course may be useful to a Transportation Engineer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces. They will be exposed to the theory behind cables and arches, which will help them make better engineering decisions.

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Aerospace Engineer

An Aerospace Engineer designs, builds, and tests aircraft, spacecraft, and other aerospace systems. They work with a team of engineers and technicians to develop and implement new technologies. This course may be useful to an Aerospace Engineer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces. Cables and arcs are used in aircraft to make them lighter, stronger, and more efficient. The principles taught in this course can help them design better aircraft.

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Construction Manager

A Construction Manager oversees the planning, execution, and coordination of construction projects. They work with architects, engineers, and contractors to ensure that projects are completed on time, within budget, and to the required standards. This course may be useful to a Construction Manager as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces. This foundational knowledge can help them make better decisions in the field.

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Project Engineer

A Project Engineer designs, builds, and tests prototypes for new products and processes. They work with a team of engineers and scientists to develop and implement new technologies. This course may be useful to a Project Engineer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces. Additionally, this course covers the use of cables and arcs and how they can be used to improve strength, stability, and efficiency of a structure. This knowledge will be valuable in the development of new products and technologies.

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Mechanical Engineer

A Mechanical Engineer designs and builds machines and other mechanical systems. They work with a team of engineers and technicians to develop and implement new technologies. This course may be useful to a Mechanical Engineer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces.

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Materials Engineer

A Materials Engineer develops and tests new materials for use in a variety of industries, including construction, aerospace, and automotive. They work with scientists and engineers to develop new materials that are stronger, lighter, and more durable. This course may be useful to a Materials Engineer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces.

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Product Designer

A Product Designer designs and develops new products for a variety of industries, including consumer electronics, appliances, and furniture. They work with engineers and marketers to develop products that are both functional and aesthetically pleasing. This course may be useful to a Product Designer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces.

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Industrial Designer

An Industrial Designer designs and develops products for a variety of industries, including consumer electronics, appliances, and furniture. They work with engineers and marketers to develop products that are both functional and aesthetically pleasing. This course may be useful to an Industrial Designer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces.

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Architectural Designer

An Architectural Designer plans and designs buildings and structures. They draw up plans, create models, and make site visits to ensure that a project is completed according to the plans. This course may be useful to an Architectural Designer as it provides a foundation in the principles of structural design, and will help them to understand the forces that act on structures and how to design them to withstand these forces. Because this course covers the basics of building structures, it will give them an advantage during the design phase.

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L'art des structures 1

Câbles et arcs

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Highly reviewed structures course

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