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Publicada porPascual Alba
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STRESSES by Jaime R. Rico
Definition A stress is an internal force which acts on a member of the structure. There are 5 kinds of stresses: Tension Compression Bending Torsion Shear
TENSION It’s a stress that tends to lengthen or stretch the member
COMPRESSION It’s a stress that tends to shorten or squeeze the memberSilla puzzle
TENSION vs. COMPRESSIONSTRETCHING SQUEEZING
BENDING It’s a stress that tends to bend the member
TORSION It’s a stress that tends to twist the member
SHEAR It’s a stress that tends to cut the member or to slide one part over the other
Let’s revise these five stresses!
Activity #1 Indica los esfuerzos a los que está sometidos la barra fija, los soportes (postes) y los tirantes (cables) BENDING & TORSION (rotate) SHEAR COMPRESSION TENSION
Ejercicio 2 Indica el tipo de esfuerzo al que está sometida el elemento que soporta la carga
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To be, or not to be? Lets start out with one of the most important verbs in Spanish: ser, which means to be.
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Gusta, again! Earlier in the course, we saw how to express likes and dislikes about activities, i.e., gusta + a verb. In this slide show, we are going.
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In Lecciones 6–9, you learned the preterite tense
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Pensar, Querer, and Preferir PREFERIR n Here we will learn the verb PREFERIR, which means “to prefer.” n But before we do, let’s look at 2 other verbs.
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