ISO/DIS 22477-5 : 2009
Geotechnical Investigation and Testing
Testing of Geotechnical Structures
Part 5: Testing of Anchorages
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Content:
Front Matter, Page iii
Copyright, Page iv
PREFACE TO THE SECOND EDITION, Pages vii-viii
PREFACE TO THE FIRST EDITION, Pages ix-x
Chapter I - INTRODUCTORY INFORMATION, Pages 1-13
Chapter II - THEORY OF BEAMS, Pages 14-70
Chapter III - THEORY OF BEAMS WITH VARIABLE FLEXURAL RIGIDITY, Pages 71-91
Chapter IV - PROBLEMS WITH MORE COMPLEX LOADING, Pages 92-140
Chapter V - TABLES OF TRANSFORMS, Pages 141-145
REFERENCES, Pages 147-148
INDEX, Pages 149-150
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This part of ISO 22475 deals with the technical principles of sampling of soil, rock and groundwater, and with groundwater measurements, in the context of geotechnical investigation and testing, as described in EN 1997-1 and EN 1997-2.
The aims of such ground investigations are:
a) to recover soil and rock samples of a quality sufficient to assess the general suitability of a site for geotechnical engineering purposes and to determine the required soil and rock characteristics in the laboratory;
b) to obtain information on the sequence, thickness and orientation of strata and joint system and faults;
c) to establish the type, composition and condition of strata;
d) to obtain information on groundwater conditions and recover water samples for assessment of the interaction of groundwater, soil, rock and construction material.
The quality of a sample is influenced by the geological and hydrogeological conditions, the choice and execution of the drilling and/or the sampling method, handling, transport and storage of the samples.
This part of ISO 22475 does not cover soil sampling for the purposes of agricultural and environmental soil investigation.
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Article/eBook Full Name: BS EN ISO 22475-1:2006 Geotechnical investigation and testing. Sampling methods and groundwater measurements. Technical principles for execution
ISBN: 978 0 580 50566 9
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Structural Depth Reference Manual for the Civil PE Exam
Author: Alan Williams PhD SE FICE C Eng | Size: 10 MB | Format:PDF | Quality:Original preprint | Publisher: PPI | Year: 2012 | pages: 206 | ISBN: 9781591263920
The Structural Depth Reference Manual for the Civil PE Exam provides a comprehensive review of the relevant codes covered on the structural depth section of the Civil PE exam. Understanding these codes is your key to success on this exam. A total of 130 example and practice problems, with complete step-by-step solutions, demonstrate how to use specific code equations, constants, and variables to determine whether structures meet code requirements. Each problem focuses on a specific code issue and provides a clear explanation of the code. Dozens of detailed graphics enhance your comprehension of the applicable codes.
The structural depth section of the Civil PE exam requires a thorough familiarity with relevant codes, and the Structural Depth Reference Manual, 3rd Edition, is updated to the latest exam code specifications. The updated codes include:
2009 edition of IBC 2008 edition of ACI 318 2008 edition of ACI 530 2005 edition of AISC 2005 edition of NDS 2005 edition of ASCE 7
Exam Topics Covered
Reinforced Concrete Design Foundations Prestressed Concrete Design Structural Steel Design Design of Wood Structures Design of Reinforced Masonry
What’s New in This Edition
Code updates to align with revised civil structural depth specifications 2008 ACI 318 2008 ACI 530 2009 IBC Addition of multiple-choice problems to better align with the exam
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SEISMIC DESIGN FACTORS FOR PRECAST CONCRETE SHEAR WALL PARKING GARAGES
Author: A. E. SCHULTZ , B. ERKMEN , R. A. MAGAÑA | Size: 0.43 MB | Format:PDF | Quality:Unspecified | Publisher: 13th World Conference on Earthquake Engineering Vancouver, B.C., Canada August 1-6, 2004 Paper No. 2076 | Year: 2004 | pages: 15
This paper describes an analytical study for the evaluation of seismic design factors (R and Cd) for precast concrete shear wall structures used for parking garages. The study utilizes DRAIN-2DX models to represent the garages, in which precast concrete shear walls provide all resistance to lateral loads. The models were calibrated using experimental data from tests, and a parametric study of typical precast concrete parking garage structures was conducted to obtain the response modification factor, R, and displacement coefficient, Cd, as specified by 2000 provisions of the United States (US) National Earthquake Hazard Reduction Program (NEHRP) for use in seismic design practice [1]. The R and Cd factors were calculated using real-time, nonlinear, dynamic response of the parking garage structures obtained using DRAIN-2DX. The precast shear walls feature one of two types of primary reinforcement; unbonded post-tensioning bars, and partially debonded mild steel reinforcing bars. The study addresses variables that are recognized to affect nonlinear structural response, including seismic intensity and site conditions. The principal conclusion drawn from this study is that R and Cd values currently used for precast concrete shear wall buildings are acceptable, if not conservative, for seismic design practice
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Precast, prestressed wall panels comprising thin concrete sections are not commonly used as seismic shear walls. Many engineers and code officials view prestressed materials as nonductile, and the connections between the sandwich wall panels and the foundation may suffer from brittle joint failures. The authors have designed a new load-limiting foundation connection for precast, prestressed panels used as shear walls that prevents the development of excessive uplift forces in the joint. This connection allows precast, prestressed concrete wall panels, such as hollow-core, to act as shear walls in resisting seismic loading without relying on wall ductility or causing an anchorage failure in a thin concrete section of the wall panel (where a connector is located). This unique connector allows the wall system to behave unlike that anticipated by building-code-defined design methods. Building codes require the behavior of new systems to be compared (and proven similar) with that of code-conforming behavior before being used. This paper describes the development and testing of the proposed load-limiting connector and wall system and the wall design approach needed to obtain special building code approval for its use
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Article/eBook Full Name: Directional Moment Connections--A Proposed Design Method for Unbraced Steel Frames
Author(s): Disque, Robert O.
Published By: AISC
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