PPT-Let’s Learn About Bridges

Beam Bridge Simplest bridge form A log across a street was the earliest form of a beam bridge Consists of a horizontal beam supported at each end by a pier The weight of the beam pushes down on the piers. Suspension Bridges. A suspension bridge is a type of bridge which is built by suspending the roadway from cables attached to a master cable which runs above the length of the bridge. . They are strong and lightweight. We build different bridges for different needs. . Covered Bridge. Covered Bridges. In the 18. th. and 19. th. century many bridges were covered. Covered Bridges. Why do you think these bridges were covered?. By . James Hurley&. Lee Byrne . 4th Class. Seomra 13. What are Bridges?. Why do we Use bridges?. Bridges are built over roads, railway lines, vallies,bays, ravines and rivers . We use bridges to connect one place to the other.. Case Study. Part 1—America is Crumbling. America is Crumbling. With your group read Part 1 of the case.. Discuss these questions with your partner and answer them in your notebook.. How would it affect your life if there were no bridges in Blackfoot?. We build different bridges for different needs. . Covered Bridge. Covered Bridges. In the 18. th. and 19. th. century many bridges were covered. Covered Bridges. Why do you think these bridges were covered?. What is a bridge?. A bridge is an elevated structure designed to support the movement of objects over a span. Bridges are made of steel and pure awesomeness. Designed by Leonardo da Vinci . Bike Bridge, Norway. Developing Vocabulary Across . C. ontent Areas. Rebecca . Curinga. , PD Coordinator. Ingrid . Heidrick. , PD Facilitator. PD Session #4 . March 7, 2014. . The CUNY Graduate Center, Room 9205 . 2. Agenda. The first bridges were nature-made: trees that fell across creeks or rivers.. The first man-made bridges were most likely made from trees lashed, stones, or vines.. HISTORY. Designed amazing arch bridges and viaducts that could withstand nearly anything when other bridges continued to fail. . OhioMHAS. . Learning Community Training . Generally speaking, we can define “poverty as the extent to which a person, institution, or community does without resources.”. SOCIETAL SYSTEM. Reprinted with permission. Copyright J. . Efficient Structure b/c:. Suspension Bridges. Efficient Structure b/c:. Most members in Tension. Main Cable in Tension. Suspenders in Tension. Suspension Bridges. Efficient Structure b/c:. Most members in Tension. Writing Across the . Content Areas. Rebecca . Curinga. , PD Coordinator. Ingrid . Heidrick. , PD Facilitator. PD Session #5 . April 4, 2014. . The CUNY Graduate Center, Room C201 . Agenda. 8:45. . Bridges 0ut of Poverty Welcome to An Overview of Bridges Out of Poverty Bridges 0ut of Poverty History Understand how economic class affects the way we and those we serve view the world Mutual understanding is critical to relationships and empowerment Suspension Bridges Suspension Bridges Efficient Structure b/c: Suspension Bridges Efficient Structure b/c: Most members in Tension Main Cable in Tension Suspenders in Tension Suspension Bridges Efficient Structure b/c: Rail Bridge at the Falls The first bridge over the Ohio River 150 1870 23