Systems of Units
Provided by Dr. Kenneth D. Walsh In the calculations required for most engineering- and construction-related tasks, the numbers in the calculation represent some property of a physical thing. As such, these numbers are more than just
CEE 353 Civil Engineering Materials
CHAPTER 1
Materials Engineering Concepts
INTRODUCTION
Civil Engineers must be familiar with common engineering materials:
steel, mineral aggregates (gravel or crushed stone), concrete, masonry, asphalt etc.
Ma
CEE 353 Civil Engineering Materials
CHAPTER 2
Nature of Materials
2.1 Basic Materials Concept
At resting state (equilibrium) materials have a specific atomic and molecular spacing dictated by the size and arrangement of atoms The spacing increa
CEE 353 Civil Engineering Materials
CHAPTER 3
Steel
3.0 Introduction Steel is the 3rd most used construction material after concrete and asphalt (4th if soil is 1st) must order off the shelf and adjust design to whatever is available Construct
CEE 353 Civil Engineering Materials
CHAPTER 4
Aluminum
Aluminum
Primarily used for containers and packaging as well as aircraft and automobiles In engineering and construction, it's used mostly for architectural and finishing elements like door
SPECIFIC GRAVITY OF COARSE AGGREGATE AASHTO T 85
GLOSSARY Absorption: The increase in weight due to water contained in the pores of the material. Bulk Specific Gravity (also known as Bulk Dry Specific Gravity): The ratio of the weight in air of a uni
EGM 3520L Material Testing Lab Specific Gravity and Absorption Tests of Coarse Aggregates
(Ref. ASTM C 127) 1. Introduction
Aggregates are a component of composite materials such as concrete and asphalt concrete; the aggregate serves as reinforcement
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CHAPTER 2
Axially Loaded Members
Stress Concentrations
The problems for Section 2.10 are to be solved by considering the stress-concentration factors and assuming linearly elastic behavior. Problem 2.10-1 The flat bars shown in parts (a) and (
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CHAPTER 2
Axially Loaded Members
Problem 2.7-9 A slightly tapered bar AB of rectangular cross section and length L is acted upon by a force P (see figure). The width of the bar varies uniformly from b2 at end A to b1 at end B. The thickness t
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CHAPTER 2
Axially Loaded Members
Problem 2.6-16 A prismatic bar is subjected to an axial force that produces a tensile stress 63 MPa and a shear stress 21 MPa on a certain inclined plane (see figure). Determine the stresses acting on all faces
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CHAPTER 2
Axially Loaded Members
Stresses on Inclined Sections
Problem 2.6-1 A steel bar of rectangular cross section (1.5 in. 2.0 in.) carries a tensile load P (see figure). The allowable stresses in tension and shear are 15,000 psi and 7,000
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CHAPTER 2
Axially Loaded Members
Problem 2.5-3 A rigid bar of weight W 750 lb hangs from three equally spaced wires, two of steel and one of aluminum (see figure). The diameter of the wires is 1/8 in. Before they were loaded, all three wires h
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CHAPTER 2
Axially Loaded Members
Problem 2.3-8 A bar ABC of length L consists of two parts of equal lengths but different diameters (see figure). Segment AB has diameter d1 100 mm and segment BC has diameter d2 60 mm. Both segments have length
2
Axially Loaded Members
Changes in Lengths of Axially Loaded Members
Problem 2.2-1 The T-shaped arm ABC shown in the figure lies in a vertical plane and pivots about a horizontal pin at A. The arm has constant cross-sectional area and total weight
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CHAPTER 1
Tension, Compression, and Shear
Problem 1.6-10 A flexible connection consisting of rubber pads (thickness t 9 mm) bonded to steel plates is shown in the figure. The pads are 160 mm long and 80 mm wide. (a) Find the average shear strai
1
Tension, Compression, and Shear
Normal Stress and Strain
Problem 1.2-1 A solid circular post ABC (see figure) supports a load P1 2500 lb acting at the top. A second load P2 is uniformly distributed around the shelf at B. The diameters of the upper