bridges
DESCRIPTION
"Bridges" is a PowerPoint for primary and secondary students that provides an overview of the different types of bridges and their uses. It also highlights careers in infrastructure development specific to bridge building and maintenance. Additionally, this lesson can be paired with a "Bridge Building" activity.TRANSCRIPT
Bridges
Why do we need bridges?
OGo over obstaclesORiverOLakeORoadOCanyon
Common Types of Bridges
OArchOBeamOCantileverOSuspensionOTruss
Arch
Beam
Cantilever
Suspension
Truss
Careers with Bridges• Salary: $51,000 – $61,000• Education: Bachelor’s• Experience: 0-2 years
Civil Engineer
• Salary: $50,000 – $57,000• Education: Bachelor’s • Experience: 0-2 years
Geotechnical Engineer
• Salary: $51,000 – $55,000• Education: Bachelor’s• Experience: 0-2 years
Structural Engineer
• Salary: $26,000 – $34,000• Education: High School Diploma/G.E.D.• Experience: 0-2 years
Heavy Assembler
• Salary: $43,000 – $57,000• Education: Bachelor’s• Experience: 0-2 years
Construction Coordinator
Civil EngineerO Designs and supervises construction
projects such as airports, bridges, channels, dams, railroads and roads
O Responsibilities also include estimating costs and personnel and material needs, preparing proposals and establishing completion dates
Geotechnical EngineerO Prepares and inspects projects
involving drilling and exploration
O Responsible for geological mapping, report writing, site characterization, numerical modeling and analysis of excavations/supports
Structural EngineerO Designs load-bearing structures or structural
elements, such as buildings, bridges or roadways
O Performs analysis of building materials for use in construction
O Develops blueprints or specifications for use during construction and ensures all projects comply with applicable codes and regulations
O Determines cause of structural failures, damages and defects through site investigations
O Provides reports detailing investigations and assessment of damages to the structure
Heavy AssemblerO Assembles fabricated parts to
relatively large or heavy subassemblies and complete units
O Tests and calibrates parts and mechanisms to meet tolerances and product specifications
Construction Coordinator
O Coordinates construction scheduling and communication, and acts as a liaison to project management concerning bids, subcontracting, progress and delays
O May be responsible for estimates, schedules, materials and purchase order
O Supervises the installation of equipment and components in assigned field
O Requires technical knowledge to assist installing contractors
Build Your Own BridgeO Using newspaper (1), masking tape
(6 ft) and straws (15), create a bridge
O Judging is based onO Mass of your bridgeO Mass your bridge can supportO Final score = mass supported/mass of
structureO Bridge must span 1 foot