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Cyclopedia of Architecture, Carpentry and Building : A General Reference Work (1912)

Stress In
Stress In Ab: 77,400 X 6.17 = + 476,000 6,450 X 6.17 = 39,500 + 430,500 Ft. Lbs. = Moment To Be Balanced By Mo Ment Of Stress In Top Chord. 500 6.7 Stress In Ab = - - = + 64,700 Lbs. In Explanation Of The Above, ...

The Enclosing Walls
The Enclosing Walls. Exterior Walls, In General, Are Of Five Kinds: 1. Masonry Walls Of Brick Or Stone, Supporting Their Own Weight And The Adjacent Floor And Roof Loads. 2. Masonry Walls Supporting Their Own Weight, But No Floor Or Roof Loads. 3. Masonry Walls Not Self-supporting. 4. Walls Of ...

The Floors
The Floors. The Elements Of The Floor Are : 1. The Arch, Which Receives The Load Directly. . 2. The Beams, Between Which The Arch Springs. 3. The Girders, Carrying The Beams. 4. The Ceiling. Where The Arch Is Made Of Separate Blocks, But They Are Not Gen Erally Used ...

The Steel Frame
The Steel Frame. The Problems To Be Met With In Laying Out The Steel Frame And Designing The Different Elements Are Never Twice The Same But, Vary With Each Special Case. Different Classes Of Buildings Give Rise To Different Problems. Some Of The Problems That Naturally Arise Can Best Be ...

Trusses
Trusses. For Spans Under 35 Feet, A Riveted Or Beam Girder Is Ordinarily More Economical Than A Truss, Unless The Conditions Of Loading Are Peculiar. To The Truss. If The Conditions Of Framing Are Such That The Regu Lar Construction Does Not Hold The Truss, Then Special Steel Bracing Must ...

Use Of Handbooks On
Use Of Handbooks On Steel. The Steel Used In A Building Is In The Form Of Single Pieces., Or Combinations Of One Or More Pieces, To Which The General Term "shapes" Is Applied. All Shapes Are Made By Rolling Out The Rectangular Prisms Or Ingots That Come From The Blast ...

Woods
Woods. There Are Several Companies Who Have Processes Of Treating Wood To Render It Fire-resisting. These Processes Differ Materially. None Of Them Renders The Wood Absolutely Fireproof, And Tests Have Conclusively Established That All Such Treated Woods Will Burn If Subjected To Sufficient Heat For A Considerable Time. Some Authorities ...