BRAE433 Lecture Ch 8 Bearing Wall

BRAE433 Lecture Ch 8 Bearing Wall - RC Design Ch Ch 8...

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1 RC Design ITRC Cal Poly Ch 8 Ch 8 – Bearing Walls Bearing Walls BRAE/ITRC Cal Poly Bridge Abutment
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2 Bridge Abutment BRAE/ITRC Cal Poly BRAE/ITRC Cal Poly Pedestrian Bridge Abutment
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3 Concrete Lid BRAE/ITRC Cal Poly 2 klc ⎛⎞ Design Axial Strength g 1 32 0.55 fcA nw h P φφ ⎢⎥ ⎜⎟ ⎝⎠ = ϕ = 0.70 H = thickness of the wall BRAE/ITRC Cal Poly Lc = vertical distance between supports Ag = gross area of section (in 2 ) K = effective length factor
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4 Effective Length Factor (k) For walls braced top and bottom against lateral translation and; 0.8 Restrained against rotation at one or both ends (top and or bottom) 1.0 Unrestrained against rotation at one or both ends BRAE/ITRC Cal Poly For walls not braced against lateral translation 2.0 Not braced BRAE/ITRC Cal Poly
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5 BRAE/ITRC Cal Poly Bearing Wall Code Issues For concentrated loads Effective length must not exceed c-t-c spacing Nor bearing width plus 4 times wall thickness
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This note was uploaded on 01/13/2011 for the course BRAE 433 taught by Professor Styles during the Fall '10 term at Cal Poly.

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BRAE433 Lecture Ch 8 Bearing Wall - RC Design Ch Ch 8...

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