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  ASCE Circular base plates
Posted by: chrono146 - 03-15-2011, 04:06 PM - Forum: Archive - Replies (1)

Hello,

Does anyone have the following paper:

"Circular Base Plates with Large Eccentric Loads" by Dajin Liu, Practice Periodical on Structural Design and Construction, Volume 9, Issue 3.

Regards,

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  Mechanical Vibrations and Shocks, volume 1-5: Christian Lalanne
Posted by: tmstru - 03-15-2011, 03:18 PM - Forum: Structural Dynamics and Earthquake Engineering - Replies (3)

Mechanical Vibrations and Shocks: Sinusoidal Vibrations (Volume 1)

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Kogan Page Science | February 14, 2002 | ISBN-10: 1903996031 | 320 pages | PDF | 4.28 MB

This volume is from the "Mechanical Vibration and Shock" five-volume study. The relative and absolute response of a mechanical system to one degree with freedom is considered for arbitrary excitation, and its transfer function defined in various forms. The characteristics of sinusoidal vibration are placed in the context both of the real world and of laboratory tests, and transient and steady state response of the single-degree-of-freedom system. First viscous damping and then non-linear damping is considered. The various types of sine-sweep and their properties are described and, for the one-degree-of-freedom system, the consequences of an inappropriate choice of sweep rate are considered. From the latter, rules governing the choice of suitable sweep rates are developed.



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  Tall , Taller , Tallest , presented by Antony Wood
Posted by: rezart - 03-15-2011, 11:39 AM - Forum: Civil Engineering Videos - No Replies

Tall , Taller , Tallest , presented by Antony Wood

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Tall , Taller , Tallest , presented by Antony Wood in Chicago Humanities Festival 2nd November 2008

The Video explain the avantages and disavantages of tall Buildings and the Design Principles for the

Future Super Tall Buildings

Rar file 48.2 Mb ( flv video file 58 Mb after extract )
Vidio Length - 59 : 45 min 520x380 resolution

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  HOW TO ATTACHED FILE?
Posted by: alnasir - 03-15-2011, 09:47 AM - Forum: Free Discussion - Replies (2)

HI,

ANYONE HELP ME HOW TO ATTCHED FILE IN THE POST?

THANKS

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  USACoE - Settlement Analysis
Posted by: Hengki - 03-15-2011, 08:44 AM - Forum: Foundation & Geotechnics in general - Replies (2)

‪SETTLEMENT ANALYSIS‬

Author: Department of the Army U.S. Army Corps of Engineers | Size: 1.535 MB | Format: PDF | Publisher: Department of the Army U.S. Army Corps of Engineers | Year: 1992 | pages: 205


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The purpose of this manual is to provide guidelines for calculations of vertical displacements and settlement of soil under shallow foundations supporting various types of structures and under embankments

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  USACoE - Bearing Capacity of Soils
Posted by: Hengki - 03-15-2011, 08:39 AM - Forum: Foundation & Geotechnics in general - Replies (2)

‪BEARING CAPACITY OF SOILS‬

Author: Department of the Army U.S. Army Corps of Engineers | Size: 1.583 MB | Format: PDF | Publisher: Department of the Army U.S. Army Corps of Engineers | Year: 1992 | pages: 196


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The purpose of this manual is to provide guidelines for calculation of the bearing capacity of soil under shallow and deep foundations supporting various types of structures and embankments.

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  Self-Compacting Concrete (SCC) for Prestressed Bridge Girders
Posted by: ir_71 - 03-15-2011, 06:38 AM - Forum: Journals, Papers and Presentations - No Replies

Self-Compacting Concrete (SCC) for Prestressed Bridge Girders

Author: Bulent Erkmen, Carol K. Shield, Catherine E. French | Size: 4.16 MB | Format: PDF | Publisher: University of Minnesota | Year: 2008 | pages: 347

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Researchers conducted an experimental program to investigate the viability of producing self-consolidating concrete (SCC) using locally available aggregate, and the viability of its use in the production of precast prestressed concrete bridge girders for the State of Minnesota. Six precast prestressed bridge girders were cast using four SCC and two conventional concrete mixes. Variations in the mixes included cementitious materials (ASTM Type I and III cement and Class C fly ash), natural gravel and crushed stone as coarse aggregate, and several admixtures. The girders were instrumented to monitor transfer length, camber, and prestress losses. In addition, companion cylinders were cast to measure the compressive strength and modulus of elasticity, and to monitor the creep and shrinkage over time. The viability of using several test methods to evaluate SCC fresh properties was also investigated. The test results indicated that the overall performance of the SCC girders was comparable to that of the conventional concrete girders. The measured, predicted, and calculated prestress losses were generally in good agreement. The study indicated that creep and shrinkage material models developed based on companion cylinder creep and shrinkage data can be used to reasonably predict measured prestress losses of both conventional and SCC prestressed bridge girders.

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  In Situ Assessment of Structural Timber
Posted by: ir_71 - 03-15-2011, 06:19 AM - Forum: Other Materials (Wood, Brick, etc.) - No Replies

In Situ Assessment of Structural Timber

Author: Bohumil Kasal, Thomas Tannert - editors | Size: 3.7 MB | Format: PDF | Publisher: Springer | Year: 2011 | pages: 508 | ISBN: 940070559X

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ABOUT THIS BOOK
Wood is one of the most intriguing structural materials and the only one that is truly renewable. Along with stone, wood is the oldest structural material on the planet and has been extensively used throughout human history. Due to its aesthetical value and positive environmental impact, wood has experienced a renaissance in construction.

As a biodegradable, hygroscopic, non-isotropic material, wood presents special challenges for a professional working with it and requires thorough knowledge ranging from biology to continuum mechanics.

This state-of-the-art report reflects the current knowledge in the area of in situ assessment of the physical and mechanical properties of wood structures. Nondestructive, semi-destructive and destructive methods are described in a systematic manner where technology, equipment and limitations are discussed. Some of the discussed methods are used in other materials such as masonry and concrete. Most of the methods, however, are specific to wood and special qualifications are required to understand and apply these methods effectively. Existing methods are constantly improved and new methods are being developed. This report includes methods that are used in practice or have shown significant promise and have a body of knowledge that supports statements made in this report.

This is a useable tool for professionals, researchers, educators and students

Content Level » Research

Keywords » applications - individual methods - modern and historic buildings - structural timber - wood structures

Related subjects » Design - Engineering - Forestry

TABLE OF CONTENTS
Preface; List of Symbols and Abbreviations; List of Figures; List of Tables; Introduction; References ; 1 Stress Waves, by Bohumil Kasal, Gretchen Lear, and Thomas Tannert; 2 Ground Penetrating Radar, by Mehdi Sbarte; 3 Radiography, by Bohumil Kasal, Gretchen Lear and Ron Anthony; 4 Resistance Drilling, by Gretchen Lear, Bohumil Kasal and Ron Anthony; 5 Core-Drilling, by Bohumil Kasal; 6 Shear Test of Glue Lines, by Thomas Tannert; 7 Tension Micro-Specimens, by Bohumil Kasal; 8 Screw Resistance, by Nobuyoshi Yamaguchi; 9 Hardness Test, by Mariapaola Riggio and Maurizio Piazza; 10 Moisture Measurement, by Bohumil Kasal and Gretchen Lear; 11 Species Identification, by Nicola Macchioni; 12 Dendrochronology, by Olivia Pignatelli; 13 Review of Codes and Standards, by Nicola Macchioni, Clara Bertolini and Thomas Tannert; Key Words Index.
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  Egyptian wind load
Posted by: jmhaa - 03-14-2011, 11:00 PM - Forum: Archive - Replies (1)

Dear Colleagues,
I'm looking for "Egyptian Code of Practice" in English version.
Plz help me, thanks...

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  Models and Modeling: Cognitive Tools for Scientific Enquiry
Posted by: mowafi3m - 03-14-2011, 08:02 PM - Forum: Mathematics (Engineering and Scientific) - Replies (1)

Models and Modeling: Cognitive Tools for Scientific Enquiry

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The process of developing models, known as modeling, allows scientists to visualize difficult concepts, explain complex phenomena and clarify intricate theories. In recent years, science educators have greatly increased their use of modeling in teaching, especially real-time dynamic modeling, which is central to a scientific investigation. Modeling in science teaching is being used in an array of fields, everything from primary sciences to tertiary chemistry to college physics, and it is sure to play an increasing role in the future of education. Models and Modeling: Cognitive Tools for Scientific Enquiry is a comprehensive introduction to the use of models and modeling in science education. It identifies and describes many different modeling tools and presents recent applications of modeling as a cognitive tool for scientific enquiry.

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