The Mechanics of Construction, EtcDughton, Bull & Company, 1861 |
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Page xii
... TIE - BEAM . Compression along each rafter and horizontal thrust . Strength and dimensions of each rafter Strength and dimensions of tie - beams · • 102 103 104 105 108 109 111 Section 2 . BRACED RAFTERS . Compression along each rafter ...
... TIE - BEAM . Compression along each rafter and horizontal thrust . Strength and dimensions of each rafter Strength and dimensions of tie - beams · • 102 103 104 105 108 109 111 Section 2 . BRACED RAFTERS . Compression along each rafter ...
Page xiii
... tie - beam Dimensions of the tie - beam Examples Section 4 . ANOTHER KIND OF TRUSSED ROOF . Compression on strut • Tension of king - post Examples Section 5 . THE BROKEN ROOF . Horizontal thrust Inclination of beams to the horizon ...
... tie - beam Dimensions of the tie - beam Examples Section 4 . ANOTHER KIND OF TRUSSED ROOF . Compression on strut • Tension of king - post Examples Section 5 . THE BROKEN ROOF . Horizontal thrust Inclination of beams to the horizon ...
Page 108
... TIE - BEAMS . B Fig . 38 . 79. The most simple kind of roof consists of a number of beams AB , CB ( fig . 38 ) , called rafters , C which abut against each other at the top of the roof . together at the base They are tied by a beam AC , ...
... TIE - BEAMS . B Fig . 38 . 79. The most simple kind of roof consists of a number of beams AB , CB ( fig . 38 ) , called rafters , C which abut against each other at the top of the roof . together at the base They are tied by a beam AC , ...
Page 109
... tie - beam , HP cos a = pl cot a = W cot a ( 2 ) . STRENGTH AND DIMENSIONS OF EACH RAFTER . 81. In this kind of roof , each rafter is subjected to a trans- verse strain , and also to a compression in the direction of its length . The ...
... tie - beam , HP cos a = pl cot a = W cot a ( 2 ) . STRENGTH AND DIMENSIONS OF EACH RAFTER . 81. In this kind of roof , each rafter is subjected to a trans- verse strain , and also to a compression in the direction of its length . The ...
Page 111
Stephen Fenwick. STRENGTH AND DIMENSIONS OF TIE - BEAMS . 82. The tie - beam is strained by its own weight , and , in certain cases , by the weight of a floor and its load . It is also strained by the action of the foot of each rafter ...
Stephen Fenwick. STRENGTH AND DIMENSIONS OF TIE - BEAMS . 82. The tie - beam is strained by its own weight , and , in certain cases , by the weight of a floor and its load . It is also strained by the action of the foot of each rafter ...
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Common terms and phrases
angle axle beam breadth c₁ catenary centre of gravity centre of pressure chain circular arch coefficient of resistance coefficient of safety common catenary compression cosec cross section cubic foot curve of pressure cylinder deflection Denote density determined diameter dimensions Edition equal equation equilibrium exterior forces extrados extremity F. A. Paley Fcap feet fibre find the thickness fixed formula fracture h₁ Hence horizontal line horizontal position horizontal thrust inertia intrados king-post length lever arm load lowest point modulus of elasticity moment of inertia moments neutral axis parabola parallel perpendicular plane preceding prism PROP r+ h r₁ radius rafter rectangular roof section HK segmental arch sin² springing line stability straining force supported supposed surcharge thickness of pier tie-beam torsion trapezoid triangle vertical pressure weight Wherefore
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