A treatise on the application of iron to the construction of bridges, girders, roofs, and other works |
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Page 15
... note the sizes of all the plates and bars required , then from these data the order list for the rolling - mills can be made out . Medium - sized bars will run up to 25 feet in length , and similar angle - iron bars up to 30 feet ; but ...
... note the sizes of all the plates and bars required , then from these data the order list for the rolling - mills can be made out . Medium - sized bars will run up to 25 feet in length , and similar angle - iron bars up to 30 feet ; but ...
Page 46
... ( Note ) .— The above constant would give the breaking strain of the beam if made of cast - iron . From these rules it will be seen that the law of the resistance of solid bars to transverse strain is as follows : - : - LAW . The ...
... ( Note ) .— The above constant would give the breaking strain of the beam if made of cast - iron . From these rules it will be seen that the law of the resistance of solid bars to transverse strain is as follows : - : - LAW . The ...
Page 49
... ( Note . — This rule will of course give the thrust at the abutment by taking the point at a distance of half the span from the crown of the arch . ) Example : -Let the thrust be required in the case of the above arch at a distance of 40 ...
... ( Note . — This rule will of course give the thrust at the abutment by taking the point at a distance of half the span from the crown of the arch . ) Example : -Let the thrust be required in the case of the above arch at a distance of 40 ...
Page 65
... the upright to the other series of bars . ( Note . It is desirable here to observe that the term " summit " of a triangle is here used as applying to its apex , whether at the top or bottom of the TO BUILDING STRUCTURES . 65.
... the upright to the other series of bars . ( Note . It is desirable here to observe that the term " summit " of a triangle is here used as applying to its apex , whether at the top or bottom of the TO BUILDING STRUCTURES . 65.
Page 75
... series of triangles . ( Note . - If the last bar is a tie , take only half the strain on it in the sum ) . Example - Let the sum of the strains be 160 tons , the base of one triangle 2 feet , and the length E 2 TO BUILDING STRUCTURES . 75.
... series of triangles . ( Note . - If the last bar is a tie , take only half the strain on it in the sum ) . Example - Let the sum of the strains be 160 tons , the base of one triangle 2 feet , and the length E 2 TO BUILDING STRUCTURES . 75.
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Common terms and phrases
angle iron angle-iron applied arch Architect ARCHITECTURE bolts bottom flange Bridge Builders calculated cantilever cast cast-iron centre cloth boards compression Construction cover plates Diagrams divide the product ELECTRIC TELEGRAPH elements equal Example.-Let feet distance feet span find the strain following rule force half hence HENRY LAW inch thick inclined bar joint plate King's College School lattice girder lattice-bar lineal foot load in tons load per lineal LUDGATE HILL material Mathematics Mechanic metal Mining multiply the load numerous Illustrations perpendicular distance pier pitch point of support Practical principal punched purlins quotient rafter Railway RALPH TATE rivet holes rivets roof Rudimentary Treatise S. P. WOODWARD SCOTT BURN sectional area shearing strain shown square foot Steam strength structure strut summit summit-load Surveyor Tables tension THOMAS TREDGOLD thrust Timber tion top flange total load truss uniformly distributed versine weight Woodcuts wrought-iron
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