Tall chimney construction; A practical treatise on the construction of tall chimney shafts in brick, stone, iron and concrete

 
9781236273314: Tall chimney construction; A practical treatise on the construction of tall chimney shafts in brick, stone, iron and concrete

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1885 Excerpt: ...about 20' from base of chimney, laid in carbonaceous material, well watered and rammed. Cost £40 fixed. Duty.--This chimney serves twelve cement kilns and twentyfour coke ovens. Cost.--Total, £2,000. Woolwich Arsenal, Shell Foundry, Chimney. Description.--Octagonal brick shaft, square base. Dimensions,--Height from foundation above concrete to top.... 239' 9" Height from ground line to top 223' 9" Outside measurement of square base 20' o" Height of base above ground 27' o" „ octagonal shaft above base 196' 9" External diam. of,, at,, 16' 9" „ » » at top 6' 6" Thickness,--Base of octagonal shaft.... 2' 7J" Top „ 9" The brickwork is reduced 4 J" at every 31' 6", the topmost length being 26' in height. Foundation.--Concrete. Construction.--The whole of the chimney is built in mortar, with the exception of the top 9', which is bell-mouthed, and built in cement. The total time occupied in the erection of this stalk was nineteen weeks. Cap.--This is of Portland stone, with blocking course, and weighs about 17 tons. Scaffold.--Inside. Messrs. J. C. Gostling & Co., Cement Works, Northfleet, NEAR GRAVESEND. Figs. 34. 35. 36. Architect, James Cubitt; Builder, Mr. Blagburn. Built June, 1873; 16 weeks (good weather) occupied in erection. Fell, Oct. 2nd, 1873. Description.--Circular brick. Foundation Bed.--Chalk. Shaft.--This was constructed in nine sections, viz.: 227' 3" total height. Batter.--i in 40. Cap.--This was formed of equal over-sailing courses of brick, laid in cement-mortar (see construction), each course projecting about § of an inch beyond that below. The extreme projection attained at top of cap was 15J" beyond the vertical line drawn from star...

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