Bridge Building - Div C
2014-10-27 19:44 Must the outside width of the Bridge be at least 5.0 cm for the entire span? What does "at any height along its span" mean?
Yes, the outside width of the Bridge must be at least 5.0 cm for the entire span (Div. B - 35 cm and Div. C - 45 cm).
"At any height along its span" means that the 5.0 cm width for the entire span can be at any height on the bridge as long as it is not below the top surface of the Test Supports.
2014-10-27 19:49 If the outside width of the bridge at the bottom chord is 5cm out to out, can the top chords be less than 5cm out to out in order to better support the loading block?
Yes, as long as the width of the Bridge is at least 5.0 cm for the entire span it doesn't matter at what height the 5.0 cm minimum width is located.
2014-10-27 19:52 May the loading block be placed at any height of the Bridge as long as it is in the center of the span?
Yes, the loading block may be placed at any height of the Bridge as long as it is in the center of the span and not below the top surface of the Test Supports prior to testing.
2014-11-25 20:31 Can the bridge be say 1cm wide with a thin outrigger along it's length to meet the 5 cm wide requirement?
Yes, that is one way to meet the requirements of rule 3.e.
2015-02-13 19:46 It states, "Two identical test supports at least 3cm x 3cm x 15 cm. Can you clarify which dimensions are the height, width, and length?
The Test Supports are at least 3.0 cm high, 3.0 cm wide and 15.0 cm long
2015-02-13 19:48 Are the Test Supports screwed into the Test Base so that it does not move, or can the students move the Test Supports, as is stated in section e, "Test Supports that are set by the students."
No, the Test Supports are not attached to the Test Base. Students may move them anywhere within the Bearing Zones on the Test Base.