Railway ConstructionLongmans, Green, and Company, 1898 - 365 páginas |
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Página 28
... timber , a sufficient factor of safety , depending on the nature and quality of the timber , to be provided for . N.B. - The heaviest engines , boiler trucks , or travelling cranes in use on railways afford a measure of the greatest ...
... timber , a sufficient factor of safety , depending on the nature and quality of the timber , to be provided for . N.B. - The heaviest engines , boiler trucks , or travelling cranes in use on railways afford a measure of the greatest ...
Página 30
... timber to be provided with manholes or other facilities for inspection . 34. Continuous brakes ( in accordance with the Regulation of Railways Act of 1889 ) , complying with the following require- ments , to be provided on all trains ...
... timber to be provided with manholes or other facilities for inspection . 34. Continuous brakes ( in accordance with the Regulation of Railways Act of 1889 ) , complying with the following require- ments , to be provided on all trains ...
Página 53
... timber . In Fig . 37 a hard wood bolster is fastened on the top of each sleeper , and on this is placed the continuous guard timber . This method of increased security is frequently adopted on girder bridges and long iron viaducts which ...
... timber . In Fig . 37 a hard wood bolster is fastened on the top of each sleeper , and on this is placed the continuous guard timber . This method of increased security is frequently adopted on girder bridges and long iron viaducts which ...
Página 63
... timber are placed across the gullet , and the sides or wings of the cutting can be excavated , the material wheeled to the gullet , and tipped from the barrows into the waggons beneath . By this arrangement the work can be carried on ...
... timber are placed across the gullet , and the sides or wings of the cutting can be excavated , the material wheeled to the gullet , and tipped from the barrows into the waggons beneath . By this arrangement the work can be carried on ...
Página 65
... timbers -half balks - under the transverse sleepers . The object of all this extra timber is to obtain a large increase of bearing area on the soft yielding surface of the boggy material . Notwithstand- ing these special precautions ...
... timbers -half balks - under the transverse sleepers . The object of all this extra timber is to obtain a large increase of bearing area on the soft yielding surface of the boggy material . Notwithstand- ing these special precautions ...
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Términos y frases comunes
adopted arching arrangement B.Sc ballast bogie truck brickwork bridge cabin caisson carriages carried cast-iron chairs centre CHEMISTRY clay constructed convenient creosoted crossing Crown 8vo culverts curves cutting cylinder Diagrams distance electric embankment engine excavation Fish-bolts fish-plates gauge gradients ground ground frame heavy Illustrations inches iron laid length level crossings levers line of rails line of railway load loading-bank lower main girders main line masonry material Mile of Single necessary obtained ordinary over-line passenger passing permanent piers placed plate platforms points portion position public road published by Longmans RAIL LEVEL railway river roadside station roadway rock Scientific Works published shown in Fig signal-cabin signalman signals single line sketch sleepers spikes standard gauge station STEEL FLANGE RAILS STRENGTH OF MATERIALS strong suitable surface terminal stations timber TONS traffic train train-staff tunnel turn-tables vertical viaducts waggons weight wheels width Woodcuts wooden wrought-iron yard
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