CIRIA: Constrution Industry Research and Information Association

[username123]

CIRIA - R103 - Design of Laterally Loaded Piles

CIRIA 103 Design of Laterally Loaded Piles
Reviews currently available methods for the analysis of laterally-loaded single piles and pile groups. The analytical methods discussed generally include lateral loading as a particular case, together with vertical and moment loading. The Report highlights the limitations imposed by the available methods, and it gives guidance on the practical problem of assigning realistic values to the necessary soil parameters, particularly concentrating on the value of soil stiffness. Recommendations are made concerning methods of analysis which may be satisfactorily adopted in specific circumstances. The recommended methods of analysis are applied to selected case histories to illustrate their several strengths and weaknesses.

Table Of Contents

List of illustrations
List of tables
Notation
Summary

1 Introduction
2 Laterally-loaded pile design
2.1 General comments
2.2 Design of pile groups
3 Recommended analytical method for the design of laterally loaded piles
3.1 Ultimate lateral resistance of piles
3.2 Deformation of single piles
3.3 Deformation of pile groups
4 Assessment of soil properties
4.1 Modulus of elasticity
4.2 Coefficient of subgrade reaction
4.3 Discussion of stiffness parameters
5 Results and conclusions
5.1 Single piles
5.2 Pile groups

References
Appendices

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[username123]

CIRIA - R104 - Embedded Retaining Walls in Stiff Clay

CIRIA 104 Embedded Retaining Walls in Stiff Clay
Covers the design of singly propped or cantilever walls embedded in stiff overconsolidated clay, and the structural form considered is that installed by the diaphragm wall technique or equivalent process, or by the driving of sheet piles. An introduction to the technique is given, as are formulae and charts for use in calculating lateral earth pressures. Special considerations applying to temporary works design are also considered.

Table Of Contents
List of illustrations
List of tables
Notation
Summary

1 Introduction
1.1 Structural form of retaining wall
1.2 Soil types
2 Soil shear strength
2.1 Basic concepts of shear and normal stress
2.2 Basic concepts of total and effective stress
2.3 Characterising soil strength
2.4 Shear strength of stiff clays
3 Earth pressures
3.1 Definitions
3.2 Earth pressures against a retaining wall
3.3 Temporary conditions
3.4 Permanent works
3.5 Influence of movement and soil strain on earth pressures
3.6 Influence of steady seepage of water
3.7 Elasticity and plasticity
3.8 Friction and cohesion
4 Measurement and selection of design parameters
4.1 Design approach
4.2 Effective stress parameters
4.3 Undrained shear strength
4.4 Soil fabric
4.5 Horizontal earth pressure
4.6 Water pressure
4.7 Sources of laboratory test data
5 Design earth and water pressure
5.1 Wall friction and adhesion
5.2 Earth pressure coefficients to use with total stress theory
5.3 Effective stress design
5.4 Design water pressures
5.5 Earth pressures from inclined retained material
5.6 Earth pressure from retained material with irregular surface profile
5.7 Earth pressures from surcharge
5.8 Effect of stratification of the soil profile
5.9 Allowance for berms
6 Temporary works
6.1 General
6.2 Mixed total and effective stress design
6.3 Effective stress design
6.4 Modified total stress design
7 Overall stability
7.1 Free-earth and fixed-earth conditions
7.2 Failure mechanisms, assumed pressure distributions and calculation methods
7.3 Factors of safety
7.4 Choice of method and appropriate factor of safety for design
8 Design of wall structure
8.1 Design pressures
8.2 Wall flexibility and load redistribution
8.3 Structural design approach
8.4 Design moment calculation
8.5 Props and anchors
9 Ground movement
9.1 Types of movement
9.2 Methods of predicting ground movement
10 Further considerations
10.1 Practical aspects
10.2 Design uncertainties
References
Appendices

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[Dell_Brett]

CIRIA - R110 - Design Of Reinforced Flat Slabs To BS 8110

New alternative link (All credits must goes to: vinnunsam):

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[vinnunsam]

TOWER CRANE STABILITY

The document is intended to promote the safe design of foundation and use of tower cranes through an improved understanding of temporary works designa nd health and safety issues. the initial sections of the report are aimed at those groups who need to understand the issues related to the safe use of tower cranes.


PDF FILE ll TOWER CRANE STABILITY

BY

Hilary Skinner, Tim Watson, Bob Dunkley, Paul Blackmore.

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[elitvdis]

CIRIA - R181- Piled Foundation in Weak Rock

Provides guidance on the ground investigation requirements, preliminary and detailed design, and construction of piled foundations in weak rock.

ISBN
9780860174943

Subject(s)

Civil engineering and public utilities
Earthworks/foundations/piling/retaining walls
Bearing piles

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[elitvdis]

CIRIA - R181- Piled Foundation in Weak Rock

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Moderator please accept my apologies for not being able to post this in the correct format.

Moderator note
This is the last time. After 2 PM with help and explantions is time to learn putting the links in codes.

[eng2010]

CIRIA - R181 - Piled Foundations in Weak Rocks

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[epee]

Ciria - C543 - Bridge Detailing Guide

By Michael Soubry

Summary:-
This guide was commissioned by the Quality Services Civil Engineering Division of the
Highways Agency (HA) and has been prepared for those active in the bridge engineering
industry. The need for a bridge detailing guide was identified by an earlier HA/CIRIA
research project on bridge buildability. In particular, guidance is provided for engineers
and technicians engaged in the preparation and development of details for highway and
accommodation bridges, subways, culverts and retaining walls. Thus the guide
concentrates on the detailing issues that follow conceptual and analytical design. The
scope is further limited to spans up to 60 m and, in the case of steelwork details, to steel
girder/concrete slab composite construction.
Details selected for the guide represent basic principles that have proved to be reliable in
everyday use in terms of durability and ease of construction, inspection, maintenance
and repair. Explanatory notes emphasising the principles and issues involved are
provided. However, the guide is intended as a live document and will be revised and
extended as a result of feedback by the industry. A formal feedback procedure is
included.
The guide is based on research in the UK and internationally, and the selected details
have been subject to wide review by practitioners within the industry. In cases where
there were differences of opinion the preferred details represent a majority view.

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[dinu69in]

CIRIA - R93 - Painting Steelwork

The principles of metallic corrosion are described and the different techniques of preparing substrates are explained. Prior to painting, metallic coatings are often used and the methods of application are outlined. Paint types and constituents are described together with a discussion on selection of particular systems. Methods by which the economics of protecting steelwork against corrosion by painting are given.

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[miquan]

CIRIA - PR77 - Prop Loads in Large Braced Excavations

Prop Loads in Large Braced Excavations
By William Powrie, M. Batten


* Publisher: Construction Industry Research & Information Association (CIRIA)
* Number Of Pages: 35
* Publication Date: 2000-03-03

Prop loads in braced excavations are rarely measured in any systematic way, but field observations suggest that in practice, prop loads are generally much smaller than those anticipated on the basis of the several types of design calculation currently in use. If the reasons for this discrepancy can be determined and quantified, there is considerable scope for reducing the amount of temporary propping used to support the retaining walls of large excavations. This would lead to immense savings in terms of time and money.

It is proposed to carry out a co-ordinated programme of research involving the monitoring of retaining wall movements and prop loads during construction of the Jubilee Line extension stations at Canary Wharf and Canada Water. The data would be used, in conjunction with design-type calculations and state-of-the-art back-analyses, to investigate the discrepancies between theory and practice with reference to a number of practical issues. The overall aim of the project, which would be carried out in collaboration with the civil engineering contractors involved in the construction of the stations, is to generate rational guidance on temporary prop loads in large excavations, suitable for use in design.

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