# Summary Statica

ISBN-10 9043017361 ISBN-13 9789043017367
5 Flashcards & Notes
14 Students

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• ## 1 INtroduction

• The E-Modulus is an import coefficient when calculating strengths

E-Modulus

• Young's modulus, also known as the tensile modulus or elastic modulus, is a measure of the stiffness of an elastic material and is a quantity used to characterize materials. It is defined as the ratio of the stress along an axis over the strain along that axis in the range of stress in which Hooke's law holds.[1] Insolid mechanics, the slope of the stress-strain curve at any point is called the tangent modulus. The tangent modulus of the initial, linear portion of a stress-strain curve is called Young's modulus. It can be experimentally determined from the slope of a stress-strain curve created during tensile tests conducted on a sample of the material. In anisotropic materials, Young's modulus may have different values depending on the direction of the applied force with respect to the material's structure.

Young's modulus is the most common elastic modulus, sometimes called the modulus of elasticity, but there are other elastic moduli measured, too, such as the bulk modulus and the shear modulus.

It is named after Thomas Young, the 19th century British scientist. However, the concept was developed in 1727 by Leonhard Euler, and the first experiments that used the concept of Young's modulus in its current form were performed by the Italian scientist Giordano Riccati in 1782, predating Young's work by 25 years.[2]

• Welke twee aannames zijn belangrijk om een vakwerk te ontwerpen?
1. Alle belastingen worden uitgeoefend in de verbindingspunten
2. De staven zijn met elkaar verbonden m.b.v. gladde pennen
• ## 6.1 Eenvoudige vakwerken

• Wat is een vakwerk?
Een constructie van langwerpige elementen die met hun uiteinden aan elkaar verbonden zijn
• Welke twee aannames heb je om een vakwerk te ontwerpen?
1. Belastingen worden uitgeoefend in verbindingspunten
2. Staven zijn verbonden m.b.v. gladde pennen
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