A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
From inside the book
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Page x
... Force of Wind . 693. Ordinary Roof Truss .. 695. An Iron Roof Truss 696. Roof of a Gas - House . 393 393 393 394 394 394 396 397 697. An Example of Trussing .. 398 698. Depot Roof Truss .. 399 699. Roof of a Rolling Mill . 400 700 ...
... Force of Wind . 693. Ordinary Roof Truss .. 695. An Iron Roof Truss 696. Roof of a Gas - House . 393 393 393 394 394 394 396 397 697. An Example of Trussing .. 398 698. Depot Roof Truss .. 399 699. Roof of a Rolling Mill . 400 700 ...
Page xi
... Force Required to Draw Spikes .. 766. Total Resistance due to Spikes and Friction . 768. Weber's Deductions from Tabulated Results .. 769. Sleepers .. 770. Rail Joints .. 771-776 . Steel Rails . 456 458 461 462 464 464 CHAPTER VIII ...
... Force Required to Draw Spikes .. 766. Total Resistance due to Spikes and Friction . 768. Weber's Deductions from Tabulated Results .. 769. Sleepers .. 770. Rail Joints .. 771-776 . Steel Rails . 456 458 461 462 464 464 CHAPTER VIII ...
Page 54
... force in the same direction . This machine may be described as follows : K Fig . 15 . B m 100 B B K R ' H A is the frame of the machine , having at the upper end the cross - pieces B , upon which are mounted the gearings , and at the ...
... force in the same direction . This machine may be described as follows : K Fig . 15 . B m 100 B B K R ' H A is the frame of the machine , having at the upper end the cross - pieces B , upon which are mounted the gearings , and at the ...
Page 57
... force the mixture downwards and outwards . Cycloidal arms ff , revolving horizontally near the floor of the cylinder , expel the mixture at the side opening around the bottom . A mova- ble band of iron G G , by being moved up or down ...
... force the mixture downwards and outwards . Cycloidal arms ff , revolving horizontally near the floor of the cylinder , expel the mixture at the side opening around the bottom . A mova- ble band of iron G G , by being moved up or down ...
Page 71
... force of the current in running streams , or for any other pur- pose , possesses a degree of ultimate strength much ... forces which confer stability are greater in the former than in the latter . 182. Durability . The densest mortars ...
... force of the current in running streams , or for any other pur- pose , possesses a degree of ultimate strength much ... forces which confer stability are greater in the former than in the latter . 182. Durability . The densest mortars ...
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Common terms and phrases
abutments action arch arranged artificial axis bars beam béton blocks bolts bottom breaking strain brick bridge caisson calcined carbonic carbonic acid cast iron centre chains chord clay common lime compression concrete connected construction cross curved cylinder deflection depth diagonal diameter durability embankment engineer experiments exterior feet flanch foundation fracture give hard heat Hodgkinson horizontal hot blast hydraulic cement hydraulic lime immersion joints kiln laid layer length limestones lower magnesia masonry mastic material ments metal mortar ordinary pieces piers pillars placed plates portion Portland cement pressure proportion puzzolana rails resistance ribs roadway Roman cement sand sheeting piles side slaked sleepers soffit soil solid span specific gravity spikes square inch steel strength structure struts suitable surface tensile tensile strength termed thickness timber tion transverse strain truss tube upper usually vertical voussoirs wall weight wire wrought iron yield
Popular passages
Page 136 - ... elasticity ; and judging from its slow increase afterwards, I was persuaded that it had not come on by a sudden change, but had existed, though in a less degree, from a very early period.
Page 419 - ... long. The fascines are laid in alternate layers crosswise and lengthwise, and the layers are either connected by pickets, or else the withes, with which the fascines are bound, are cut to allow the brushwood to form a uniform and compact bed. This method of securing a good bed for structures on a weak wet soil has been long practised in Holland, and experience has fully tested its excellence.
Page 175 - For the coping and top courses of a wall, the same objections do not apply to excess in length : but this excess may, on the contrary, prove favorable ; because the number of top joints being thus diminished, the mass beneath the coping will be better protected, being exposed only at the joints, which cannot be made water-tight, owing to the mortar being crushed by the expansion of the blocks in warm weather, and, when they contract, being washed out by the rain.