ICE Virtual Library : Journals : Journal of the ICE

Journal of the ICE

E-ISSN: 0368-2455

Volume 30, Issue 6, April 1948

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TIDAL POWER: ITS DEVELOPMENT AND UTILIZATION.
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- pp. 104–131
- Author: B D RICHARDS
- Document Type: Research Article
- DOI: 10.1680/ijoti.1948.13448
- 104 RICHARDS ON TIDAL POWER : Paper No. 5656. g Tidal Power : Its Development and Utilization." t By BERTRAMDARELL RICHARDS, B.Sc.(Eng.), M.I.C.E. TABLE OF CONTENTS. Introduction. . . . . . . . . . . . . . . Tidal phenomena ............. Single-basin operation . . . . . . . . . . . . Regulation of output . . . . . . . . . . . . Tidal-power projects ............ ( a ) Severn barrage scheme . . . . . . . . . (6) Petitcodiac and Memramcook estuaries scheme, Canada (c) Passamaquoddy scheme,Maine, U.S.A. . . . . . ( d ) Rance and Mont St...
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DISCUSSION. TIDAL POWER: ITS DEVELOPMENT AND UTILIZATION.
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- pp. 131–149
- Authors: BD RICHARDS; S B DONKIN; SIR W HALCROW; H R LUPTON; W P THOMPSON; W N MCCLEAN; W E BLACKMORE; F W DAVEY; G S COLLYNS; W L MOORE; SIR P FRANK; H HEADLAND; J G THON
- Document Type: Discussion
- DOI: 10.1680/ijoti.1948.13449
- ITS DEVELOPlldICNT AND UTILIZATION. 131 4. Report on the Severn Barrage scheme (Ministry of Fuel and Power), 1944. Memramcook Estuaries. Province of New Brunswick.1945. 6. Passamaquoddy Power Tidal F'roject, Maine (Federal Power Commission, Washington), 1941. 7. Rapport sur les &tudes poursuivies par la S & o % d ' E t d s pour l'utilisath des Markes (Rance and Mont St. Michel Schemes). 1946. 8 Norman Davey, " Studies i Tidal Power," 1922 (Constable)...
A RELAXATION METHOD FOR THE SOLUTION OF PROBLEMS CONCERNING AXIALLY SYMMETRICAL DISTRIBUTIONS OF LOAD IN AN ELASTIC MEDIUM.
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- pp. 149–166
- Author: G WILSON
- Document Type: Research Article
- DOI: 10.1680/ijoti.1948.13450
- ITS DEVELOPMENT ADD UTILIZATION. 149 to speak with authority on the various problem which arose. The model a t present arranged for was a tidal model of the estuary and was intended for the re-investigation of the problems as indicated in the 1944 Report. No doubt further hydraulic models and tests would be desirable at a later stage. Referring to Mr. Thon's remarks, the tidal model would be constructed with the barrage in accordance with the 1944 scheme and the effect of the modihations would thus be investigated. The Author was in full agreement that a model-test was the only method of investigation of many problems connected with a tidal power scheme of that nature...
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ABSTRACT.THE LATERAL STABILITY OF REINFORCED-CONCRETE BEAMS.
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- pp. 194–196
- Author: W T MARSHALL
- Document Type: Research Article
- DOI: 10.1680/ijoti.1948.13454
- REINFORCED-CONCRETE BEAMS. 195 C. Equal and opposite moments applied at the ends of the beam. This type is very common in rectangular beamsused in reinforced-concrete frames. It has been shown that, in the case of rectangular section beams where the d/b ratio is greater than, say, 2.5, the load required to produce failure by instability is L2 '"g3iGJ JP= and g in cases of loadings A and B respectively, whilst the moment required in case C is "`JP%. L Py denotes the flexural rigidity about the vertical axis of the cross section and N J the torsional rigidity of the section...
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ABSTRACT. THE DESIGN OF A TRADE WASTE SEWER, WITH SPECIAL REFERENCE TO THE CHEMICAL RESISTANCE OF PIPE JOINTS.
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- pp. 196–200
- Author: A J WIGLEY
- Document Type: Research Article
- DOI: 10.1680/ijoti.1948.13455
- 196 WIGLEY ON THE DESIGN OF A TRADE WASTE SEWER, WITH The resistance moment of a doubly-reinforced section is 180 pbd12, where 100 X area of steel on each face P= bdl 153562 Failure by instability therefore occurs only when the ratios -in the PLdl 1296b2 case of loading type A, - the case of loading B, and -in the in PM1 PUl case of loading C, exceed unity. As an extreme case, if p L = 5 and - = 10, a1 b instability failure occurs when - = 30, 26, and 58 for loadings A, B, and b C respectively...
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ICE - Institution of Civil Engineers - Virtual Library

Journal of the ICE

Volume 30, Issue 6, April 1948

TIDAL POWER: ITS DEVELOPMENT AND UTILIZATION.

DISCUSSION. TIDAL POWER: ITS DEVELOPMENT AND UTILIZATION.

A RELAXATION METHOD FOR THE SOLUTION OF PROBLEMS CONCERNING AXIALLY SYMMETRICAL DISTRIBUTIONS OF LOAD IN AN ELASTIC MEDIUM.

ABSTRACT.THE LATERAL STABILITY OF REINFORCED-CONCRETE BEAMS.

ABSTRACT. THE DESIGN OF A TRADE WASTE SEWER, WITH SPECIAL REFERENCE TO THE CHEMICAL RESISTANCE OF PIPE JOINTS.