UNIT 2 part B

concretecakeUrban and Civil

Nov 29, 2013 (3 years and 8 months ago)

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Introduction to Construction Technology

School of the Built Environment


Unit 2
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UNIT 2 part B


STRUCTURAL REQUIREMENTS FOR
BUILDINGS (continued)

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Suspension Structures

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Key influences in designing and constructing buildings




structural design




structural materials

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STRUCTURAL DESIGN


Strength

the materials used in the construction of the
building must have adequate to support all applied loads





dead loads




live loads


Stability

must be capable of withstanding all appled
forces without becoming unstable





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Tensile stress

Compressive stress

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Shear stress

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Overturning moments

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Overturning moments

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Buckling

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Vertical force

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Vertical force

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Wind loading

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Horizontal ground force

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Buttressing

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Oblique forces

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Unstable structure

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The gothic structure

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Variation on the gothic structure

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Variation on the gothic structure

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Deformation

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Tension and compression

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STRUCTURAL MATERIALS




Timber, stone, brick
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oldest most traditional materials.
Generally limited to smaller structures.




STEEL


Widely used from thinnest sheets to solid sections.

Good in tension, not quite so good in compression.

Used in solid sections, reinforcing bars, tubular sections
and cables




CONCRETE

Predates steel/iron as a construction material. Good in
compression, weak in tension


hence reinforced concrete

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Some example of complex structures

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Taipei 101

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