PPT-Balsa Wood Bridge

8 th How Does a Bridge Stay Up Bridges don t always Stay U p Forces act on a bridge Engineers must design bridges that account for these forces Forces can come from many sources. Almost all cuts are best made with multiple low pressure passes this reduces the chance of slipping and increases the precision of the cut VARIATIONS DESCRIPTION USES MANUFACTURE NOTABLE INGREDIENTS DISPOSAL SAFETY NOTES Sheets Rods Tan heavy graine bridge!. This slideshow contains tips, hints and several interesting bridge designs. . The Romans frequently built bridges with several small arches on top of one another.. Tools and Equipment. Not all of this is necessary, but all of it is very helpful.. INFORMATION PACK. 1. Your Name:. WHAT TO KNOW ABOUT THE BRIDGE?. The Humber estuary has five important rivers following into it - The Trent, Ouse, Don, . Aire. and . Derwent. and makes up one-fifth of the country's river water.  The Humber has been used for trade since the Bronze Age (1500 B.C.) and even crossed using plank boats, recently discovered in . Trailer Bridge 400 x100 . Container Barge. . Trailer Bridge Jacksonville Terminal. Handout for BB Conference. Atlanta Bridge . Chicago Bridge 400 x 100. Atlanta Bridge with Lift boat Loaded – New Orleans to Nigeria. Step one: Find an architectural picture and print it off.. Good Bad. Go to Google Images. Good Bad. Next, tape your picture to your balsa foam and use a sharp pencil to trace the outline so that it presses a line into the balsa foam.. By: . Jouya. N. introduction. Unit of Inquiry: . Bridge Unit “Can I span the distance?” . Statement of Inquiry: . Historical inventions have led to great advances in technology. .. Objective:. To design a bridge that can span 30cm and support load.. Bridge Picture. Bridge History/Purpose. Bridge Design. Bridge . Video. Bridge Dimensions. What is Special About the Bridge?. Sponsored by: The Boeing Company. Challenge. Request For Proposal. Design and build a . hand. launched glider aircraft . Program success criteria are: . Performance Success Criteria (all criteria not required). Ryan and Simon. Introduction. Unit of Inquiry: . Bridge Unit “Can I span the distance?” . Statement of Inquiry: . How . do design limitations encourage creativity in technology? . Mission: . Make a Popsicle stick bridge with the following specifications. .. ). Using Sand Hopper:. Control sand flow by how far you move handle back.. The sand chute directs sand into bucket.. Must release handle when failure, end of time, or max load is reached.. One student loads, one student stabilizes using the sticks provided.. 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. . The Romans frequently built bridges with several small arches on top of one another.. Tools and Equipment. Not all of this is necessary, but all of it is very helpful.. “One only needs two tools in life: WD-40 to make things go, and duct tape to make them stop.”. Wood for Heating Effective use of a Wood B urning Stove Stewart Mcilroy – Muswell Hill Sustainability Group 19 April 2017 Wood for heating may comprise the following: Biomass fuelled central heating Definition of . a BRIDGE. A . BRIDGE.  is a . structure.  . built . to . span.  physical . obstacles . such as a . body of . water.  . valley. road . Designs of bridges vary depending . on .