Course | Madison College Outline of Instruction

10607149Aggregates and Concrete

Course Information

Description

Introduces the fundamental principles of aggregates and Portland cement concrete . Emphasizes standards-based sampling and testing in laboratory and field environments. Tests are performed according to standards set by the American Society for Testing and Materials (ASTM) and American Association of State Highway and Transportation Officials (AASHTO).

Total Credits

Course Competencies

Examine the quality control, quality assurance and independent assurance processes

Assessment Strategies

by scoring 70% or higher on exams

by scoring 70% or higher on quizzes

by completing an article summary related to quality control, quality assurance or materials testing

Criteria

you summarize quality

you distinguish between quality control and quality assurance

you explain how quality is determined

you explain the purpose of independent assurance testing

summary identifies the key points

summary includes only relevant and necessary details

summary is concise without being sketchy

summary evidences correct grammar, punctuation and spelling
Examine the role and sources of standards for construction materials

Assessment Strategies

by scoring 70% or higher on exams

by scoring 70% or higher on quizzes

Criteria

you identify the primary national standards organizations for civil engineering materials

you identify the local and regional standards creators

you explain how full consensus standards are developed

you explain the purpose of construction specifications

you distinguish between inspection and testing

you identify methods that can be used to improve repeatability of tests

you explain why test results on the same materials can be different
Examine rock formation and geology

Assessment Strategies

by scoring 70% or higher on quizzes

by scoring 70% or higher on exams

by completing homework assignment

Criteria

you explain the rock cycle

you explain the geology of Wisconsin

you explain the correlation between rock types and construction properties
Examine the production and processing of aggregates

Assessment Strategies

by scoring 70% or higher on exams

by scoring 70% or higher on quizzes

by completing homework assignments

Criteria

you summarize the aggregate production process

you summarize the responsibilities of the agencies that monitor production

you distinguish between crushed gravel and crushed stone

you distinguish between natural aggregates, processed aggregates, recycled aggregates and synthetic aggregates
Examine random sampling techniques for aggregates

Assessment Strategies

by scoring 70% or higher on quiz

by scoring 70% or higher on exams

by completing homework

in lab performance

Criteria

you explain the purpose of random sampling

you determine sampling locations and quantities using the random number method

you complete homework on determining random sampling locations

you demonstrate procedure for sampling from a stopped conveyor belt

you demonstrate procedure for sampling from roadbed windrows

you demonstrate procedure for sampling from roadbed

you demonstrate procedure for sampling from stockpiles
Examine common aggregate tests

Assessment Strategies

by scoring 70% or higher on quiz

by scoring 70% or higher on exams

by completing homework

in lab performance

Criteria

you complete homework on gradation calculations

you complete homework on moisture content, specific gravity and absorption calculations

you complete laboratory calculations for the lab tests you perform on a given sample of aggregate

you differentiate between dense, open and gap graded aggregates

you determine the fineness modulus for a given aggregate

you plot the gradation curve given sieve analysis data

you categorize the aggregate gradation based on a gradation curve, the fineness modulus and the coefficient of uniformity

you compute the moisture content of an aggregate sample given the laboratory test data

you compute the coefficient of uniformity of an aggregate given the laboratory test data

you compute the unit weight of an aggregate given the laboratory test data

you reduce random samples to test size using a quartering procedure

you reduce random samples to test size using a riffle splitter

you demonstrate the procedure for performing washed and dry sieve analysis

you demonstrate the procedure for performing specific gravity and absorption tests on fine aggregate

you demonstrate the procedure for performing specific gravity and absorption tests on coarse aggregate
Examine aggregate quality control charts

Assessment Strategies

by scoring 70% or higher on quiz

by scoring 70% or higher on an exam

by completing homework

Criteria

you explain the purpose of quality control charts

you explain the difference between a warning limit and a control limit

you explain the purpose of the warning bands

you calculate the moving average of 4

you plot test results on the control charts using the proper symbology

you explain what corrective actions are necessary when a given test or moving average exceeds the warning limits

you complete homework related to plotting and interpreting data on a quality control chart
Examine portland cement production and composition

Assessment Strategies

by scoring 70% or higher on quiz

by scoring 70% or higher on an exam

Criteria

you distinguish between hydraulic and non-hydraulic cements

you summarize the portland cement production process

you identify the raw materials that are used to produce portland cement

you identify the five principal types of portland cement

you identify applications for each of the five principal types of portland cement

you examine the chemical composition of the five different types of portland cement
Examine Portland cement concrete production and composition

Assessment Strategies

by scoring 70% or higher on quiz

by scoring 70% or higher on an exam

Criteria

you identify the five main components of Portland cement concrete

you explain the role each of the main components of Portland cement concrete serves

you identify properties of aggregates suitable for Portland cement concrete

you explain the purpose of chemical admixtures

you explain the purpose of finely divided mineral admixtures

you summarize the portland cement concrete production process
Examine the hydration process

Assessment Strategies

by scoring 70% or higher on quiz

by scoring 70% or higher on an exam

Criteria

you summarize the chemical compounds formed during hydration

you identify substances and factors that hamper the hydration process

you explain how the chemical composition of the different types of Portland cement impacts the hydration process

you explain the significance of mixing and placement temperature
Examine proportioning of concrete mixes

Assessment Strategies

by scoring 70% or higher on quiz

by scoring 70% or higher on an exam

by completing homework assignment covering proportioning of concrete mixes, admixture impacts and aggregate impacts

Criteria

you identify the primary steps in proportioning concrete mixes

you summarize workability

you explain the significance of the 7-day and 28-day compressive strengths

you summarize "slump"

you summarize w/c ratio

you explain how the w/c ratio impacts fresh and hardened concrete properties

you examine the difference between water for hydration and water of convenience

you calculate the required proportions of materials for a concrete mix

you explain how aggregate properties impact mix proportions

you explain how specified concrete properties impact mix proportions

you identify common chemical admixtures and their impacts on fresh and hardened portland cement concrete

you identify common mineral admixtures

you explain the difference between entrapped and entrained air

you complete homework assignment covering proportioning of concrete mixes, admixture impacts and aggregate impacts
Examine random sampling techniques for Portland cement concrete

Assessment Strategies

by scoring 70% or higher on quiz

by scoring 70% or higher on an exam

by completing homework assignment covering random sampling of fresh PCC

in lab performance

Criteria

you explain the purpose of random sampling

you display safety procedures to follow when sampling Portland cement concrete

you determine random sampling locations by paving station

you determine random sampling locations by quantity of material

you determine the minimum sample size required for bridge and paving projects

you explain techniques for sampling from a stationary mixer

you explain techniques for sampling from subgrade

you explain techniques for sampling from revolving truck mixers and agitators

you explore the time frames within which composite samples must be obtained

you identify sampling location for concrete pumped into bridge elements

you complete homework assignment covering random sampling of fresh PCC
Examine fresh Portland cement concrete tests

Assessment Strategies

by scoring 70% or higher on quiz

by scoring 70% or higher on an exam

in lab performance

Criteria

you demonstrate proper temperature testing techniques

you identify typical temperature ranges

you demonstrate proper slump testing techniques

you identify common mistakes made when performing a slump test

you demonstrate proper air testing techniques

you identify common mistakes made when performing an air test

you identify typical air content ranges for concrete

you demonstrate proper procedures for fabricating strength cylinders

you explain the proper procedure for handling cylinders after fabrication

you identify problems associated with improperly fabricated strength cylinders

you explain the purpose of the aggregate correction factor

you determine the aggregate correction factor

you calculate adjusted air content

you summarize the procedure for calibrating an air pressure meter

you demonstrate the air meter calibration procedure

you identify alternate methods for determining air content and slump of fresh concrete
Examine hardened Portland cement concrete properties

Assessment Strategies

by scoring 70% or higher on quiz

by scoring 70% or higher on an exam

Criteria

you explain the procedures for preparing concrete cylinders for testing

you identify two different cylinder capping methods

you correlate the cylinder break type with concrete condition

you calculate the compressive strength of a cylinder

you explain the difference between destructive and non-destructive testing

you identify non-destructive testing methods that are used to determine concrete compressive strength

you explain the correlation between the compressive strength and tensile strength of concrete

you explain the impact of the curing environment on concrete

you explain the purpose of lab cured cylinders

you explain the purpose of field cured cylinders
Examine Portland cement concrete quality control charts

Assessment Strategies

by scoring 70% or higher on quiz

by scoring 70% or higher on an exam

by completing homework assignment covering PCC quality control charts

Criteria

you explain the purpose of quality control charts

you explain the difference between a warning limit and a control limit

you explain the purpose of the warning bands

you calculate the moving average of 4 test results

you Identify the upper and lower control limits for concrete used in paving projects

you Identify the upper and lower control limits for concrete used in bridge projects

you Identify the upper and lower warning limits for concrete used in paving projects

you Identify the upper and lower warning limits for concrete used in bridge projects

you plot test results on the control charts using the proper symbology

you explain what corrective actions are necessary when a given test or moving average exceeds the warning limits

you complete homework related to plotting and interpreting data on a quality control chart

by completing homework assignment covering PCC quality control charts