Sustainability is one of the most important challenges of our time. How can we develop prosperity, without compromising the life of future generations? Companies are integrating ideas of sustainability in their marketing, corporate communications, annual reports and in their actions. It is for that reason that 'sustainability' will find its way to project management methodologies and practices. This book explores the concept of sustainability and its application to project management. It aims to provide practical guidance to organizations and individuals that find themselves faced with the questions that surround the integration of sustainability in project management.
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This book examines 200 contractual problems which regularly arise on building and engineering projects and provides a detailed explanation of their solutions, citing standard contract conditions and key parts of legal judgements as authority. A succinct summary is provided at the end of each detailed solution.
It covers problems together with their solutions in respect of:
Procurement matters
Tenders and bidding
Design issues
Letters of intent
Contractor's programme
Contractor's float
Delays
Concurrent Delays
Extensions of time
Liquidated/delay damages
Unliquidated damages
Variations
Loss and expense/additional cost claims
Acceleration
Global claims
Payment
Damage to the works
Exclusion clauses
Retention of title
Practical completion
Defect correction
Adjudication
This book deals with a broad range of construction contracts including JCT Standard Form and Design and Build, New Engineering Contract NEC3, ICE and GC/Works/1.
This book was first published under the title of One Hundred Contractual Problems and Their Solutions, with a second edition entitled One Hundred and Fifty Contractual Problems and their Solutions. This third edition adds 50 new problems and replaces 15 of those in the last edition. Of the remainder half have been the subject of revision.
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Author: Jack Stroud Foster; Roger Greeno; Raymond Harington | Size: 13 MB | Format:PDF | Quality:Unspecified | Publisher: Pearson/Prentice Hall | Year: 2007 | pages: 244 | ISBN: 9780131970946, 9781405891127
Talks about the principles and practices used in the construction of houses and other low-rise buildings. This work is intended as preliminary reading to the companion volume "Structure and Fabric: Part 2". It is suitable for students of architecture, construction management, facilities management, construction technology, surveying, and others
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The modern quantity surveyor (QS) plays a central role in the management of construction projects, although the exact nature of the role depends on who employs the QS. The Professional Quantity Surveyor engaged by the client and the Contractor's Quantity Surveyor have different roles to play in any construction project, with the contractor's QS role extending beyond measurement to the day-to-day running of building projects, estimating, contract administration and construction planning, as well as commercial, cost and project management.
This book aims to provide readers with a practical guide into quantity surveying from a main contractor's perspective. Readers will acquire an understanding of the skills and competencies required by the contractor’s quantity surveyor. Following a brief introduction, the book's early chapters cover measurement methodology and the contractor's business, with the rest of the chapters discussing commercial and contractual management of a construction project, including day-to-day running from commencement through to completion, in a highly practical way.
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Posted by: maxpn3 - 05-28-2013, 03:53 AM - Forum: Archive
- No Replies
Article/eBook Full Name: A Method for Interpretation of Plate Load Test Results
Author(s): Reznik, YM
Edition: Volume 17, Issue 1
Publish Date: 1994
Published By: ASTM
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Interactive Mechanical Model for Shear Strength of Deep Beams (With Discussion & Closure)
Author: Tang, C. and Tan, K. | Size: 298 KB | Format:PDF | Quality:Unspecified | Publisher: ASCE | Year: 2004 | pages: 15
The current American Concrete Institute code states that the nominal shear strength Vn of a reinforced concrete deep beam
consists of the concrete contribution Vc and shear reinforcement contribution Vs, i.e., Vn=Vc+Vs. In this paper, however, a very different
yet original approach is presented. The method is based on strut-and-tie approach, with the effect of transverse tensile stresses on concrete
compressive strength of the diagonal strut properly accounted for. Two common failure modes, namely, diagonal splitting and concrete
crushing, are examined in the paper. Premature failures such as shear tension failure (due to insufficient anchorage of main longitudinal
reinforcement) and bearing failures are not considered. The resistance to diagonal splitting is mainly provided by the main and shear
reinforcement. Additional resistance from concrete tensile strength is included in the analysis. The resistance to crushing of concrete is
contributed by the concrete compressive strength. Ultimate shear strengths of deep beams are governed by both the transverse tensile
stresses perpendicular to the diagonal strut, and the compressive stresses in the diagonal strut, resulting in an interaction between the two
failure modes. Predictions by the proposed modal are compared with experimental results and other established calculation methods.
Generally, the predictions are not only accurate and consistent in each case study, but also conservative.
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Size Effect on Shear Strength of Deep Beams: Investigating with Strut-and-Tie Model
Author: Tan, K. and Cheng, G. | Size: 583 KB | Format:PDF | Quality:Unspecified | Publisher: ASCE | Year: 2006 | pages: 13
Since a diagonally cracked deep beam behaves as a tied arch, the conventional plane section remaining plane approach is not
applicable to analyses of deep beams. Besides, for beams without web reinforcement, it has been shown that shear strength decreases as
member size increases. This is associated with a phenomenon called size effect. In this study, the causes of size effect on shear strength
of deep beams are investigated using both the strut-and-tie model STM and finite element model. The study shows that size effect in
concrete beam arises primarily from an inappropriate adoption of the shear transfer concept for steel beams. In addition, size effect also
depends on secondary factors such as the geometry of strut, and the spacing and diameter of web reinforcement. The modified STM is
verified with three published case studies comprising a total of 36 beams. Generally, the predictions are accurate and consistent, with a
uniform safety margin for different member sizes considered.
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Single-Span Deep Beams Subjected to Unsymmetrical Loads
Author: Ning Zhang1, Kang-Hai Tan and Chee-Lai Leong | Size: 1.4 MB | Format:PDF | Quality:Unspecified | Publisher: ASCE | Year: 2009 | pages: 14
This paper investigates the effects of unsymmetrical loadings on the strength and behavior of simply supported deep beams.
An experimental program consisting of 14 specimens has been carried out. Test results including crack patterns, load-deflection responses,
steel and concrete strains, and failure loads are presented and discussed with the effects of load inequality LI and load asymmetry LA.
Conclusions are drawn on the effects of LI and LA on deep beam behavior. The ACI 318-05 strut-and-tie method is found to slightly
overestimate the beam shear capacity. The writers proposed a direct strut-and-tie method STM for predicting the failure loads of
unsymmetrically loaded deep beams. By adopting an interactive failure criterion, no preset empirical stress limit is required in the model.
A load parameter is introduced such that the proposed STM can simulate both the effects of LI and LA. It is shown that the proposed
STM is a generalized form that embodies the special cases of single-point and two-equal-point symmetric loading conditions. Besides, the
model gives promising results in predicting the possible failure modes. The STM predictions are in good agreement with test results as
well as finite-element predictions of 14 specimens.
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Direct Strut-and-Tie Model for Prestressed Deep Beams
Author: K. H. Tan, K. Tong and C. Y. Tang | Size: 169 KB | Format:PDF | Quality:Unspecified | Publisher: ASCE | Year: 2001 | pages: 9
The strut-and-tie method is a promising analytical tool for the design of disturbed regions where
the conventional plane bending theory does not hold. These include pile caps, corbels, frame joints, deep beams,
and so forth. This paper focuses on the application of a strut-and-tie model to prestressed deep beams. A simple
and direct model is proposed, taking the prestressing effect into consideration. The model can be used for both
pre- and posttensioned deep beams. Different configurations of web reinforcement can also be properly modeled
in the proposed approach. A comparison shows that the predictions are in good agreement with experimental
results of four case studies of 39 beams.
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Bentley Systems, Incorporated, the leading company dedicated to providing comprehensive software solutions for sustaining infrastructure, announced the release of MXROAD V8i (SELECTseries 3) and the forthcoming SELECTseries 3 releases of its country-specific PowerCivil products throughout 2013. All of the products now share the powerful and unifying capabilities of Bentley’s OpenRoads technology, advancing through information modeling for multi-disciplinary roadway teams “BIM” objectives such as better design decisions, increased construction awareness, and interoperability for asset management.
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