A treatise on the principles and practice of dock engineering with 34 folding plates and 468 illustrations in the text - Brossura

Cunningham, Brysson

Brossura

ISBN 10: 1130504492 ISBN 13: 9781130504491

Casa editrice: RareBooksClub.com, 2012

Riassunto

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. 1904 Excerpt: ...lUa.cylinder was filled with concrete and built over. X v '--' ' r Eastham Entrance Locks. j Mancliester Ship Canal.--There are three entraTrcp-fecks (fig. 194) constructed in parallel lines pointing down the River Mersey, 600 feet by tO feet, 350 feet by 50 feet, and 150 feet by 30 feet, respectively. The lower sill of the largest lock is 42 feet below high water of ordinary spring tides. This lock has culverts on each side, 12 feet high by 6 feet wide, which enable it to be filled or lowered, so that a vessel can pass through in less than ten minutes. Two 20-foot Stoney sluices adjoin the locks and assist to fill and lower the canal at tide and flood times respectively. Entrances at Kidderpur Docks, Calcutta. Plans and sections ef the entrance locks and passages at these docks which have already been referred to (p. 236) are shown in figs. 195 to 200. Entrances at Barry Docks. The harbour is approached by a sheltered channel, 450 yards long, enclosed by two breakwaters, the heads of which are 350 feet apart. There are two entrances--one, leading to a basin, is available for 2.1, hours before and 2£ hours after high water; the other, known as the Lady Windsor Lock, can be used at any state of the tide, having a depth of 16 feet of water at low water of ordinary spring tides. The basin entrance and the passage between the basin and No. 1 Dock are each 80 feet wide. The sills are curved, with a versed sine of 3 feet, and a central draught of 40 7 feet at high water ordinary springs, and 32 3 feet at high water ordinary neaps. Timber guiding jetties, 200 feet in length, are erected seaward of the basin entrance, and a masonry jetty, with timber fenders, 600 feet long, leads to the Lady Windsor Lock. This last has a length of 647 feet, a depth of 60 feet ...

Dettagli dell?edizione

• Editore: RareBooksClub.com
• Data di pubblicazione: 2012
• ISBN 10: 1130504492
• ISBN 13: 9781130504491
• Rilegatura: Copertina flessibile
• Lingua: Inglese
• Numero di pagine: 180
• Contatto del produttore: non disponibile