STRUCTURES
© Federico Fernández Herrera
ENGLISH BILINGUAL 2º E.S.O. TECHNOLOGY
DIDACTIC UNIT # 5
STRUCTURES
INDEX:
Forces and efforts
Structural elements
Resistant structures
Steady structures
Profiles
Types of structures
Forces and efforts
Forces:GravityActionReactionCentrifugalEtc
Efforts: traction, compression, flexion, torsion, shear.
Forces and efforts (II)
CompressionTraction
SqueezeThermic dilationStretch
Forces and efforts (III)
Flexion Torsion Shear
Bending Twisting Cutting
Structural elements
Footers/footings (cimientos: zapatas)
Columns/pillars
Beams (vigas)
Archs
Tauts (tirantes)
Structural elements
Footers/footings (cimientos: zapatas)
Columns/pillars
Beams (vigas)
Archs
Tauts (tirantes)
Resistant structures
Triangles
Archs
Rigid frame
Steady structures
Centre of gravity point where weight is balanced
Centre of buoyancy point where lift is concentrated
Profiles
Tubular
Rectangular enclosed
Square
L I
U H open
T
Types of structures
Massive
Vaulted (abovedada)
Framework (entramada)
Triangular
Suspension (colgante)