Digital Terrain Model (DTM): Determining Contour Location
By Steve Whitmoyer
Learners read how to determine the location of a contour for a specific location given a TIN.
Digital Terrain Model: Extrapolation of Elevations
Students read how to determine the elevation of an alignment or cross section where it crosses the TIN.
Gradation - Calculations
This learning object introduces the student to the calculations involved in a sieve analysis -- including percentage retained and percentage passed.
Gradation - Sieve Sizes
This learning object introduces the student to sieves and how their designation is related to the aggregate size.
Highway Design: Vehicle Types
In this animated object, learners read the dimensions of the different types of vehicles typically considered in highway design.
Horizontal Curve Components
Learners view a horizontal curve and mouse over the diagram to read descriptions of its components and related equations.
Introduction to Converting Between Degree Minute Second and Decimal Degree
In this learning activity you'll practice converting between degree minute second and decimal degree.
Statics - Trig: Law of Cosines
In this interactive object, learners use the Law of Cosines to calculate forces.
Statics - Trig: Law of Cosines Using a TI-86 Calculator
In this interactive and animated object, learners apply the Law of Cosines to determine forces using a TI-86 calculator.
Statics - Trig: Law of Sines: Calculations Using a TI-36X Calculator
In this animated object, learners use a TI-36X calculator to determine forces.
Statics - Trig: Pythagorean Theorem Calculations Using a Casio fx-260
In this animated and interactive object, the learner uses a Casio fx-260 calculator to solve for the magnitude of the resultant and of one of the component forces in a right triangle.
Statics - Trig: Pythagorean Theorem Calculations Using a TI-86
In this animated and interactive object, the learner uses a TI-86 calculator to solve for the magnitude of the resultant and of one of the component forces in a right triangle.
Statics - Trig: Pythagorean Theorem Calculations Using Excel
Learners examine how to solve problems using the Pythagorean Theorem in Excel. Practice problems are included.
Statics - Trig: The Law of Cosines Using a TI-36X Calculator
Learners apply the Law of Cosines to determine forces using a TI-36X calculator in this animated object.
Statics -- Trig: The Law of Sines
In this interactive object, students use the Law of Sines to calculate forces.
Statics - Trig: The Law of Sines Using a TI-86 Calculator
In this interactive and animated object, learners apply the Law of Sines to determine forces using a TI-86 calculator.
Statics - Trig: The Pythagorean Theorem
In this interactive object, learners use the Pythagorean Theorem to calculate forces.
Statics - Trig: The Pythagorean Theorem Using a TI-36XCalculator
In this animated and interactive object, the learner uses a TI-36X calculator to solve for the magnitude of the resultant and of one of the component forces in a right triangle.
Statics: Force Systems
Learners read an introduction to the four basic types of force systems for a statically determinate condition.
Statics: Law of Transmissibility
Learners examine how a force may be considered to act at any point along its line of action as long as the magnitude and direction of the force remain unchanged. Numerical verification is provided.
Statics: Resultant Calculations via Graphical Method
In this interactive learning object, students calculate a resultant of multiple forces acting in a concurrent, coplanar condition.
Statics: Resultant Calculations via Tabular Method
The learner calculates the resultant of multiple forces acting in a concurrent, coplanar load condition.
Statics: Scalar vs. Vector
Learners read an introduction of scalar quantity and vector quantity and force. Examples are given.
Strength of Materials: An Introduction to Centroids
In this animated object, learners examine how to find the center of gravity of a steel rod and of a two-dimensional shape.
Strength of Materials: Centroids of Composite Areas
In this interactive object, learners calculate a centroid of a composite area by first creating a chart. A short quiz completes the activity.
Strength of Materials: The Centroid of a Circle
In this animated and interactive object, learners calculate the area and centroid of a circle.
Strength of Materials: The Centroid of a Quadrant
In this animated and interactive object, learners calculate the area and centroid of a quadrant.
Strength of Materials: The Centroid of a Rectangle
In this animated and interactive object, learners calculate the area and centroid of a rectangle.
Strength of Materials: The Centroid of a Semicircle
In this animated and interactive object, learners calculate the area and centroid of a semicircle.
Strength of Materials: The Centroid of a Triangle
In this animated and interactive object, learners calculate the area and centroid of a triangle.
Weight - Volume Relationships: Water (Moisture) Content
This interactive learning object demonstrates how the moisture content is determined for a given sample of soil or aggregate.
Weight- Volume Relationships: Porosity
Students read how to determine and calculate the porosity for a given sample of soil or aggregate, based on the weight-volume relationship.
Weight- Volume Relationships: Saturated Density (Metric)
Students read how to determine and calculate the saturated density for a given sample of soil or aggregate, based on the mass-volume relationship. Practice problems complete the activity.
Weight- Volume Relationships: Dry Density
Students read how to determine and calculate the dry density for a given sample of soil or aggregate based on the mass-volume relationship.
Weight-Volume Relationships: Degree of Saturation
Students read how to determine and calculate the degree of saturation for a given sample of soil or aggregate based on the weight-volume relationship.
Weight-Volume Relationships: Unit Weight
Students read about the concept of unit weight relating to the 3-phase diagram and perform calculations.
Weight-Volume Relationships: Density
Students read an explanation of the use of weight-volume relationships and practice calculating density.
Weight-Volume Relationships: Dry Unit Weight
Students read how to determine and calculate the dry unit weight for a given sample of soil or aggregate based on the weight-volume relationship.
Weight-Volume Relationships: Introduction to a 3-Phase Diagram
In this animated activity, students read about weight-volume relationships within a given sample of soil or aggregate. They complete problems using a 3-phase diagram.
Weight-Volume Relationships: Saturated Unit Weight
Students read how to determine and calculate the saturated unit weight for a given sample of soil or aggregate, based on the weight-volume relationship. Practice problems complete the activity.
Weight-Volume Relationships: Void Ratio
Students read how to determine and calculate the void ratio for a given sample of soil or aggregate based on the weight-volume relationship.