MECHANICS I  STATICS+++ by James W DallyMECHANICS I  STATICS+++ by James W Dally

MECHANICS I STATICS+++

byJames W Dally, Robert J Bonenberger, William L Fourney

Paperback | August 30, 2016

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The content of the Mechanics I textbook includes methods for determining stresses and strains in uniaxial members, column buckling loads, and a discussion of material properties and material behavior.  Because we have included three topics not normally found in traditional Statics books, we have added the three plus signs to the subtitle Statics +++

 

We introduced the concept of stresses in uniaxial members, because an analysis of the forces in some structural element is incomplete.  Determining the force is not sufficient to establish the safety of the structural member or to design its cross section.  However, it is easy to introduce stresses in uniaxial members s = P/A, and we have taken this important step toward a more complete analysis.  Next, we added a chapter on materials and material properties introducing yield and ultimate tensile strength.  Determining the stress and comparing this value with the strength of an engineering material enables the student to establish the safety factor or the margin of safety of the structural element.  We have found that extending the analysis to incorporate safety and/or design improves the student’s interest and motivation.

 

We often include a project that involves student teams building a model of a truss, which is subsequently tested in the laboratory.  The students perform a truss analysis and predict the failure load of their model.  In testing the models, we found that compression members on many of the trusses failed at loads much lower than the values predicted by the student teams.  These compression members were buckling at relatively low loads, while the stresses were lower than the strength of the model material.  This laboratory experience enabled us to discuss elastic instability and to demonstrate buckling.  We have added a chapter on Euler (elastic) buckling to this edition to enable the student to study and to begin to understand elastic instability in structures.

 

Title:MECHANICS I STATICS+++Format:PaperbackDimensions:366 pages, 10.75 × 8.25 × 0.76 inPublished:August 30, 2016Publisher:College House Enterprises, LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:1935673297

ISBN - 13:9781935673293

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Table of Contents

CHAPTER 1 BASIC CONCEPTS IN MECHANICS1.1 Introduction 1.2 Statics and Mechanics of Materials1.3 History of Mechanics 1.4 Newton's Laws of Motion 1.5 Forces 1.6 Internal and External Forces1.7 Moments1.8 Internal and External Moments1.9 Basic Quantities and Units1.10 Conversion of Units1.11 Significant Figures1.12 Scalars, Vectors and Tensors1.13 SummaryReferencesCHAPTER 2 EQUILIBRIUM AND MODELING2.1 Introduction2.2 Equations of Equilibrium2.3 Modeling2.4 Solving for Reactions 2.5 Forces in Cable and Pulley Arrangements2.6 Forces in Springs2.7 Modeling Partial Bodies2.8 Solving for Internal Forces2.9 SummaryCHAPTER 3 STRESS, STRAIN AND MATERIAL BEHAVIOR3.1 Introduction3.2 Normal Stress, Strains and Deformation3.3 Shear Stresses3.4 Bearing Stresses 3.5 The Tensile Test 3.6 Material Properties3.7 True Stress and True Strain3.8 Summary CHAPTER 4 AXIALLY LOADED STRUCTURAL MEMBERS4.1 Introduction4.2 Design Analysis of Wire, Rods and Bars 4.3 Stresses on Oblique Planes4.4 Axial Loading of a Stepped Bar4.5 Axial Loading of a Tapered Bar 4.4 Stress Concentration Factors4.7 Scale Models4.8 SummaryCHAPTER 5 TRUSSES 5.1 Introduction5.2 Method of Joints5.3 Zero Force Members5.4 Method of Sections5.5 SummaryCHAPTER 6 PROPERTIES OF AREAS6.1 Area6.2 First Moment of an Area6.3 Centroid of the Area A 6.4 Locating the Centroid of a Composite Area6.5 Second Moment of an Area6.6 The Parallel Axis Theorem 6.7 Moments of Inertia of Composite Areas6.8 SummaryCHAPTER 7 BUCKLING OF COLUMNS 7.1 Introduction7.2 Buckling of Columns with Both Ends Pinned7.3 Influence of End Conditions7.4 Column Stresses and Limitations of Euler's Theory7.5 Eccentrically Loaded Columns7.6 Stresses in Columns with Eccentric Loading7.7 SummaryCHAPTER 8 FRAMES AND MACHINES8.1 Introduction8.2 Frames-Examples8.3 Machines-Examples 8.4 Construction Equipment8.5 SummaryCHAPTER 9 SPACE STRUCTURES AND 3-D EQUILIBRIUM9.1 Introduction9.2 Modelling9.3 Three Dimensional Solutions9.4 Three Dimensional Equilibrium9.5 Internal Forces and Moments9.6 SummaryCHAPTER 10 FRICTION10.1 Introduction10.2 Static and Dynamic Friction10.3 Measuring the Coefficient of Friction10.4 Friction and Stability10.5 Friction Effects on Wedges10.6 Friction Effects on Screws10.7 SummaryAPPENDICESAPPENDIX A Wire and Sheet Metal GagesAPPENDIX B1 Physical Properties of Common Structural MaterialsAPPENDIX B2 Tensile Properties of Common Structural MaterialsAPPENDIX B3 Tensile Properties of Non Metallic MaterialsAPPENDIX C Geometric Properties of Rolled ShapesAPPENDIX D1 Laboratory Report on Tension TestingAPPENDIX D2 Laboratory Report on BucklingAPPENDIX E VECTORSE.1 IntroductionE.2 Internal and External ForcesE.3 Force VectorsE.4 Adding and Subtracting VectorsE.5 Components of a Force Vector E.6 Concurrent and Coplanar ForcesE.7 Space ForcesE.8 MomentsE.9 Vector MechanicsE.10 SummaryINDEX