Proceedings of the ... Annual Convention of the American Railway Bridge and Building Association, Volumes 23-25 |
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association Asst Bars beam bearing bents boiler bolts bottom braces Bridge and Building built C. A. Lichty capacity Carp cast iron cement cent Chicago City clearance coal committee concrete construction cost creosoted deck ELEVATION engine Engr erected falsework fence floor foreman foundation frame girders grade grade crossings guard rails handling hoops I-beams ice houses installed insulation joints knife edges length levers load located locomotive crane Markley material method Milwaukee & St necessary Pacific paint Penwell piles platform Pocatello posts practice pumping railroad reinforced reinforced concrete repairs roads roof side sills slabs space standard Standpipe station steam steel stringers structure Supvr surface tank test car timber tion tons track scales traffic train trestle trusses valve walls water hammer weigh bridge wood wooden wrought iron zinc chloride
Popular passages
Page 239 - The by-laws may be amended at any regular meeting by a two-thirds vote of members present providing a copy of such amendment has been sent to all members at least 30 days prior to the meeting.
Page 58 - King was made ; that is to say ; that " an English penny called a sterling round, and without
Page 288 - ... inch above the surface of the oil — the creosote, calculated on the basis of the dry oil, shall give no distillate below two hundred...
Page 209 - Whether scales are to be equipped with dead rail or relieving gear. (c) Whether run-around track will be installed for switching with separate track for weighing. (d) Whether cars are to be weighed spotted or in motion. (e) The cost of extra switching, when...
Page 285 - Most of the wood-destroying fungi attack only the lignin; others attack the cellulose alone, while a third class destroy all parts of the wood structure. The lignin and the cellulose are dissolved by certain substances secreted in the fungi, and thus serve as food for the fungus growth. In this way the fungi can develop until they extend throughout every portion of the timber. After a time the amount of fiber changed into food and assimilated by the fungus causes the wood to become discolored. Discoloration...
Page 87 - Iron bridge work should be scraped and repainted as often as necessary to preserve from rusting. 39. Note such wooden structures as require barrels to add to their safety, giving number required. State condition of such barrels as may be in position. On all bridges of such magnitude as to require a watchman, there should be a foot plank between the rails securely fastened to the ties to facilitate crossing the bridge quickly in emergencies, such as fire or danger to trains. Note if ladders, either...
Page 286 - By far the best method of checking the growth of fungi, however, is to deprive them of food. This can be done by injecting poisonous substances into the timber, and so changing the organic matter from foods suitable for fungi into powerful fungicides. It is a mistake to suppose that the germs of decay are inherent in the wood, and only need an opportunity for development to bring about its destruction. Several processes for the preservation of wood have been founded on the false assumption that it...
Page 35 - I will call for the report of the Committee on Resolutions. REPORT OF COMMITTEE ON RESOLUTIONS, JUNE 6, 1918.
Page 240 - He shall invest all funds not needed for current disbursements, as shall be ordered by the Board of Direction. He shall pay all bills, when certified and audited, as provided by this Constitution and by rules to be prescribed by the Board of Direction.
Page 240 - The Vice-Presidents in order of seniority shall preside at meetings in the absence of the President, and discharge his duties in case of a vacancy in the office.