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ICE Proceedings

E-ISSN: 1753-7789

Volume 85, Issue 1, March 1988

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REINFORCED CONCRETE DEEP BEAMS: A METHOD OF ANALYSIS.
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- pp. 1–30
- Author: N K SUBEDI
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.106
- Proc. Instn Civ. Engrs, Part 2, 1988,85, Mar., 1-30 PAPER 9158 STRUCTURAL ENGINEERING GROUP Reinforced concrete deep beams method of analysis :a N. K. SUBEDI, BSc(Eng),PhD, FIStructE, MICE, MASCE* A general method, based on the equilibrium of forces at failure, for the analysis of reinforced concrete deep beams is proposed. The method is capable of predicting the mode of failure and the ultimate strength for any combination of the parameters. The proposed method is tested against the test results on 19 deep beams representing the span/depth ratios 1 3 and to a range of reinforcement content...
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STIFFNESS CHARACTERISTICS OF MULTICABLE SUSPENSION BRIDGES.
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- pp. 31–48
- Authors: BJ CHESTNUTT; A JENNINGS; WC BROWN
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.107
- Proc. Instn Civ. Engrs, Part 2,1988,85, Mar., 31-48 PAPER 9242 STRUCTURAL ENGINEERING GROUP Stiffness characteristics multicable of suspension bridges B. J. CHESTNUTT, BSc* A. JENNINGS, DSc, FIStructE, MICE, FIMA* W. c.BROWN, OBE, RDI,PhD, FICE, FIStructEt A multicable suspension bridge is considered to be one in which two or more cables develop different profiles. Sets o such cables may support both sides of a bridge deck. Deflexions f have been compared in a non-dimensional form for both classical (having parabolic cable profiles) and multicable suspension bridges subject to point and distributed loading...
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STRUCTURAL BEHAVIOUR OF CLOSELY PACKED EGG-SHAPED SEWER LININGS DURING INSTALLATION AND UNDER VARIOUS RESTRAINT CONDITIONS.
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- pp. 49–65
- Authors: S ARNAOUT; MN PAVLOVIC; JW DOUGILL; ISTRUCTE
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.108
- Proc. Instn Ciu. Engrs,Part 2, 1988,85, Mar., 4%65 PAPER 9249 STRUCTURAL ENGINEERING GROUP : Structural behaviour of closely packed egg-shaped sewer linings during installation and under various restraintconditions S. ARNAOUT, BEng, MSc* M. N. PAVLOVIC, BEng, MEngSc., PhD? J. W. DOUGILL, MSc(Eng), PhD, DIC, FICE, FASCE, FIStructET This Paper is devoted to a parametric study of the structural response of closely packed egg-shaped sewer linings, including the effect of various restraint conditions which simulate different temporary support systems used by contractors during installation...
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CONTROLLING SAFETY IN GEOTECHNICAL DESIGN.
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- pp. 67–88
- Authors: J OLIPHANT; DI BLOCKLEY; WJ LARNACH
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.109
- Proc. lnstn Ciu. Engrs, Part 2, 1988,85, Mar., 67-88 PAPER 9254 ENGINEERING GROUP GROUND Controlling safety geotechnical design in J. OLIPHANT, BSc* D. I. BLOCKLEY, BEng, PhD, DSc, MICE, FIStructEt W. J. LARNACH, MSc, PhD, FICE, FIStructEf Methods of safety analysis are not designed to produce 'true ' predictive measures of risk but should be regarded as aids in the process of controlling risk. The Paper is concerned with that part of the control which the engineer can achieve through his design calculations...
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DESIGN AID FOR PLATE GIRDERS.
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- pp. 89–104
- Authors: HR EVANS; S MOUSSEF
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.110
- Proc. Instn Ciu. Engrs, Part 2, 1988,85, Mar., 89-104 PAPER 9255 STRUCTURAL ENGINEERING GROUP Design Aid for plate girders H. R. EVANS, MSc, PhD, MICE, MIStructE* S. MOUSSEF, MSc? A simplified Design Aid is presented to allow the ultimate strength of transversely and longitudinally stiffened plate girders to be determined under any combination of shear and bending loads. The method is based on the Cardiff tension field approach and, in addition to its simplicity, has the advantage allowing the designer to identify the separatesources from of which the girder derives its strength...
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MOVEMENT OF SHIPS IN RESTRICTED NAVIGATION CHANNELS.
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- pp. 105–120
- Authors: RB SCHOFIELD; LA MARTIN
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.111
- Proc. Znstn Ciu. Engrs, Part 2,1988,85, Mar., 10S120 PAPER 9265 MARITIME ENGINEERING GROUP Movement of ships in restricted navigation channels R. B. SCHOFIELD, MA, PhD, FICE* L. A. MARTIN, BSc, DPhil? Predictions of the water-surface changes and the energy losses which result from the passage of ships in canals and similar restricted navigation channels are difficult, because of the miscellany of variables involved whose interactions are only partly understood and accounted for in current theory. Investigators have frequently used two-dimensional theory attributable to Kreitner whichwas developed by Constantine in respect of shipsquat, resistance and other parameters...
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ON THE PREDICTION OF FLOOD FREQUENCY IN SAUDI ARABIA.
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- pp. 121–144
- Author: MA NOUH
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.112
- Proc. Instn Ciu. Engrs, Part 2,1988,85, Mar., 121-144 PAPER 9279 WATER GROUP ENGINEERING On the predictionof flood frequency in Saudi Arabia M. A. NOUH, BSc, MSc, PhD* Three methods of flood prediction, reported in the United Kingdom Natural Environmental Research Council Flood studies report, have been investigated, using the records of 32 gauged stations in the south-west region of Saudi Arabia. In the first method, regional curves were developed and used together with the mean annual flood flow, estimated from the characteristics of the drainage basin, to estimate flood flows at a location in the basin...
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SIMULATIONS OF THE WAVES IN LAKE BOTNEN CREATED BY THE RISSA LANDSLIDE .
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- pp. 145–160
- Authors: JM TOWNSON; Y KAYA
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.113
- Proc. Instn Civ. Engrs, Part 2, 1988,85, Mar., 145-160 PAPER 9281 GROUP WATER ENGINEERING Simulations of the waves inLake Botnen created by the Rissa landslide J. M. TOWNSON, BSc, PhD, FICE* Y. KAYA, BSc, PhD? The well-knownclay landslide at Rissa in Norway also caused flooding by generating surges of in LakeBotnen.ThePaperdescribesphysicalandmathematicalmodel investigations these waves. A hydraulic scale model of Lake Botnen, having a novel slide-action mechanism, was built in the laboratory at the University of Strathclyde...
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CABLE DESIGN FOR CONTINUOUS PRESTRESSED CONCRETE BRIDGES.
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- pp. 161–184
- Author: CJ BURGOYNE
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.114
- Proc. Instn Ciu.Engrs, Part 2, 1988,85, Mar., 161-184 PAPER 9292 STRUCTURAL ENGINEERING GROUP Cable design for continuous prestressed concrete bridges C . J. BURGOYNE, MA, PhD, DIC, MICE* The Paper discusses the criteria which govern the cable design in continuous prestressed concrete beams. A rigorous analysis is used to show that Low's condition regarding the shortening of the extreme fibres is a particular case of a more general condition on the existence of a line of thrust within the allowable zone permitted by the stress conditions...
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DISCUSSION ON PAPER 8970. PROLOG-BASED EXPERT SYSTEMS IN CIVIL ENGINEE RING.
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- pp. 185–187
- Authors: S ALIM; J MUNRO; I EG DAVEY WILSON; I E G D WILSON; I M MAY; W TIZANI; PROLOG
- Document Type: Discussion
- DOI: 10.1680/iicep.1988.115
- Proc. Instn Ciu.Engrs, Part 2,1988,85, Mar., 185-187 DISCUSSION O N PAPER 8970 ENGINEERING MANAGEMENT GROUP PROLOG-based expert systems in civil engineering S . Alim and J. Munro Mr I. E. G. Davey-Wilson, Oxford Polytechnic Dr I. M. Mayand Mr W. Tizani, University ofBradford The Paper highlights the potential opportunities of expert systems in civil engineering by describing one such system forsoil problems. There is, however, no mention of the limitations of this expert system or of expert systems in general...
FORCES EXERTED BY SHALLOW OCEAN WAVES ON A RIGID PIPE SET AT AN ANGLE TO THE FLOW. DISCUSSION ON PAPER 9018.
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- pp. 189–192
- Authors: RA GRACE; JM ANDRES; EKS LEE; W LESZCZYSZYN; PJD NEVILLE-JONES
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.116
- Proc. Instn Ciu. Engrs, Part 2,1988,85, Mar., 189-192 DISCUSSION ON PAPER 9018 ENGINEERING MARITIME GROUP Forces exertedby shallow ocean waves on a rigid pipe set at an angle to the flow R. A. Grace, J. M. Andres and E. K. S. Lee Mr W. Leszczyszyn, Contract Drill Division, Joy Machinery Company, La Porte, Indiana The Paper is entitled: `Forces exerted shallow ocean waves on a rigid pipe set by at anangle to the flow ', and it would be interest if the Authorswould enlarge on of the word `rigid ' in the title-specifically to the drilling and anchoring of the studs holding the pipe which to a large degree would assure this rigidity '...
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DISCUSSION. INFLUENCE OF WALL SUPERSTRUCTURE ON THE FOUNDATION INTERACTION ANALYSI S OF A CIRCULAR RAFT. DISCUSSION ON PAPER 9111.
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- pp. 193–194
- Authors: JA HEMSLEY; GD GALLETLY; WINKLER
- Document Type: Discussion
- DOI: 10.1680/iicep.1988.117
- Proc. Instn Ciu. Engrs, Part 2, 1988,85, Mar., 193-194 DISCUSSION ON PAPER 9111 STRUCTURAL ENGINEERING GROUP Influence of wall superstructure on the foundation interaction analysis of a circular raft J. A. Hemsley Professor G. D. Galletly, The University ofLiverpool The problem investigated by the Author is very similar to one studied by me about 30 years ago. This was the analysis of a circular plate on an elastic foundation with elastic rotational restraint at the plate edges." The cases of simply-supported and clamped edges had previously been analysed by Millerz3and Gardner...
DISCUSSION. ELASTIC SOLUTIONS FOR AXISYMMETRICALLY LOADED CIRCULAR RAFT WITH FREE OR CLAMPED EDGES FOUNDED ON WINKLER SPRINGS OR A HALF-SPACE.
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- pp. 195–196
- Authors: JA HEMSLEY; GE BRATCHELL; WINKLER
- Document Type: Discussion
- DOI: 10.1680/iicep.1988.118
- Proc. Instn Civ. Engrs, Part 2, 1988,SS,Mar., 195196 DISCUSSION ON PAPER 9083 STRUCTURAL ENGINEERING GROUP Elastic solutionsfor axisymetrically loaded or circular raft with free clamped edges or founded on Winkler springs a half-space J. A. Hemsley Mr G. E. Bratchell, N C L Stewart Scott Ltd The Paper analyses, interalia, the bending moments in a raft under uniform loading, and with free edges. The following comments apply to that case, and to any composite cases which use results of that case...
SEA WATER INTRUSION AND PURGING IN MULTI-PORT SEA OUTFALLS. DISCUSSION ON PAPER 9132.
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- pp. 197–199
- Authors: JA CHARLTON; PA DAVIES; GHM BETHUNE; JH ALLEN; JJ SHARP; G THOMPSON
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.119
- Proc. Instn Civ. Engrs, Part 2,1988,85, Mar., 197-199 DISCUSSION ON PAPER WATER 9132 ENGINEERING GROUP Sea water intrusion and purging in multi-port sea outfalls J. A. Charlton. P. A. Davies and G. H. M. Bethune Professor J. H. AllenandProfessor J. J. Sharp, Memorial University of Newfoundland The Paper by Charlton et al. is to be commended for a clear description of the results of salt water intrusion into multiport sea outfalls. The Authors make the point that designers attempt to achieve these low velocities to ensure maximum dilution when the effluent reaches the surface (also, low velocities are associated with low head losses)...
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ANALYSIS OF RAINFALL IN THE SOUTH-WEST REGION OF SAUDI ARABIA. DISCUSSION ON TN 484.
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- pp. 201–206
- Authors: MA NOUH; HS WHEATER; AP BUTLER; RB BULMAN
- Document Type: Research Article
- DOI: 10.1680/iicep.1988.120
- Proc. Instn Ciu. Engrs, Part 2,1988,85,Mar., 201-206 DISCUSSION 484 TN ON WATER ENGINEERING GROUP Analysis of rainfall in thesouth-west region of Saudi Arabia M. A. Nouh A. P Butler, Department o Civil Engineering, . f Imperial College, London The availability of rainfall data in the Middle East has increased significantly in recent years, to the point that substantive analysis is now feasible; and Dr Nouh`s work, which provides a comprehensive analysis of rainfall in the south-west region of Saudi Arabia, is an importantcontribution in this respect...
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ICE - Institution of Civil Engineers - Virtual Library

ICE Proceedings

Volume 85, Issue 1, March 1988