The Mechanics of Construction, EtcDughton, Bull & Company, 1861 |
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Page 16
... breadth in order that it may sustain a weight of 18 tons , in the direction of its length , the coefficient of resistance being the same as in the last example . Ans . 1.63 inch nearly . 6. An iron rod , 2 feet long , and 5 inches in ...
... breadth in order that it may sustain a weight of 18 tons , in the direction of its length , the coefficient of resistance being the same as in the last example . Ans . 1.63 inch nearly . 6. An iron rod , 2 feet long , and 5 inches in ...
Page 51
... breadth , and BC = d , the depth of a rectangular section of a beam . The neutral axis in this case passes through the intersection 0 of the diagonals and is parallel to the ^ breadth of the section . Refer the fibres of the section to ...
... breadth , and BC = d , the depth of a rectangular section of a beam . The neutral axis in this case passes through the intersection 0 of the diagonals and is parallel to the ^ breadth of the section . Refer the fibres of the section to ...
Page 52
... half the rectangular section . Multiplying this expression then by 2 for the whole rectangle , and by b its breadth , we get I 1 = 1/1 bd " , 12 the same as before . SQUARE SECTIONS . 42. When the section of a beam 52 APPLICATIONS . PAGE.
... half the rectangular section . Multiplying this expression then by 2 for the whole rectangle , and by b its breadth , we get I 1 = 1/1 bd " , 12 the same as before . SQUARE SECTIONS . 42. When the section of a beam 52 APPLICATIONS . PAGE.
Page 59
... breadth , and y the height of the rectangular section of the beam to be determined . Then the expression xy2 is to be a maximum . But by the geometry of the figure , x : b :: h or x = - y : h , h ( h − y ) . b - A C Fig . 19 ...
... breadth , and y the height of the rectangular section of the beam to be determined . Then the expression xy2 is to be a maximum . But by the geometry of the figure , x : b :: h or x = - y : h , h ( h − y ) . b - A C Fig . 19 ...
Page 60
... of resistance being 10,560 . Ans . 73,920 lbs . 14. A cast - iron beam 3 feet long and 1 inch in breadth is fixed at one end ; find its depth in order that it may sustain a weight of 1,100 lbs . at the other end 60 APPLICATIONS .
... of resistance being 10,560 . Ans . 73,920 lbs . 14. A cast - iron beam 3 feet long and 1 inch in breadth is fixed at one end ; find its depth in order that it may sustain a weight of 1,100 lbs . at the other end 60 APPLICATIONS .
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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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