| 单词 | live load |
| 例句 | And that did not include the 200,000 pounds of additional live load that would be added as passengers filled the cars. The Devil in the White City 2003-02-11T00:00:00Z Nearly all of it was “live load,” meaning weight that changes over time, as when a train passes over a bridge. The Devil in the White City 2003-02-11T00:00:00Z There will never be any workers under a live load, van Kooperen said. Giant crane to lift 4 million pounds of tunnel drill Bertha 2015-01-15T05:00:00Z Where I live loads of kids want to come and touch my belts and watch me training. Gypsy boxing ready for the big time 2013-10-11T23:08:06Z Drive to a shipper or receiver and either "drop and hook" or "live load" or "live unload". I am a commercial truck driver in the US. What do you want to know? 2013-07-11T12:30:00Z The roof was designed for a live load of 100 lb. and a dead load of 150 lb., the same as at the South Reservoir. ASCE 1193: The Water-Works and Sewerage of Monterrey, N. L., Mexico The 4th article from the June, 1911, Volume LXXII, Transactions of the American Society of Civil Engineers. Paper No. 1193, Feb. 1, 1911. 2012-01-02T03:00:24.717Z He takes as the live load for a bridge two such engines, followed by a train of wagons covering the span. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The tunnels are lighter than the materials which they displace even when the weight of the heavy live load is included. Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. Paper No. 1150 The traction load was taken at 20 per cent. of the live load, and a wind pressure of 500 pounds per lineal foot was assumed over the whole structure. The New York Subway Its Construction and Equipment For the maximum positive bending in any panel the full load on that panel was considered, there being no live load on adjoining panels. Some Mooted Questions in Reinforced Concrete Design American Society of Civil Engineers, Transactions, Paper No. 1169, Volume LXX, Dec. 1910 That every one of the diagonals is subjected to compression at some point or other in the passage of the live load over the bridge, c. Scientific American Supplement, No. 483, April 4, 1885 For all these reasons the stresses due to the live load are greater than those due to the same load resting quietly on the bridge. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The columns carry the entire weights including dead and live loads and the wind pressure, into the footings, these again distributing the loads on the soil. Marvels of Modern Science The weight of each motor car with maximum live load is 88,000 pounds, and the weight of each trailer car 66,000 pounds. The New York Subway Its Construction and Equipment Mr. Chapman says: "The practical engineer does not find * * * that the negative moment is double the positive moment, because he considers the live load either on one span only, or on alternate spans." Some Mooted Questions in Reinforced Concrete Design American Society of Civil Engineers, Transactions, Paper No. 1169, Volume LXX, Dec. 1910 The long unbraced ties vibrated considerably, and evidently got slack during a part of the time that the live load was passing over the bridge. Scientific American Supplement, No. 483, April 4, 1885 Let Wl be the total live load, Wf the total flooring load on a bridge of span l, both being considered for the present purpose to be uniform per ft. run. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The cost of the main girders for one span will vary nearly as the square of the span for any given type of girder and intensity of live load. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Live Load on Railway Bridges.—The live load is the weight of the heaviest train which can come on the bridge. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The practical engineer does not find, as Mr. Godfrey states, that the negative moment is double the positive moment, because he considers the live load either on one span only, or on alternate spans. Some Mooted Questions in Reinforced Concrete Design American Society of Civil Engineers, Transactions, Paper No. 1169, Volume LXX, Dec. 1910 L = length of any bay of top flange. l = length of any diagonal. w = dead load per bay of girder. w¹= live load per bay of girder. Scientific American Supplement, No. 483, April 4, 1885 In the Forth bridge stability is obtained partly by the great excess of dead over live load, partly by the great width of the river piers. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" These percentages are added to the live load stresses. iii. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Generally a girder supports both a dead and a live load. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Counterbracing.—In the case of girders with braced webs, the tension bars of which are not adapted to resist a thrust, another circumstance due to the position of the live load must be considered. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" In the earlier girder bridges the live load was taken to be equivalent to a uniform load of 1 ton per foot run for each line of way. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" In Austria the official regulations require that railway bridges shall be designed for at least the following live loads per foot run and per track:— Span. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" |
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