加载中…如何建造一座意面桥
(2015-11-05 12:54:29)
标签：
意面桥手工制作桁架桥 |
分类： 建筑模型 |
本站相关转帖：什么是桁架桥？http://blog.sina.com.cn/s/blog_a976f0010102vvu4.html，什么形状的桥体最强壮？http://blog.sina.com.cn/s/blog_a976f0010102v6xj.html
**Make
sure the sides are straight up!（保证桁架垂直！）
This has a raised roadbed.
以下介绍直接去网站翻找，有承重比赛的视频：
https://sites.google.com/a/bcsemail.org/wdstem/bridges/how-to-build-a-bridge
http://www.sciencenc.com/event-help/tower.php
How to build a pasta bridge（如何建造一座意面桥）
This is the Pasta Bridge that Munn built!（这是Munn的作品）
Materials:（材料）
-Paper for blueprint (11 x 17
inches)（设计蓝图）
-1/2 box linguine (or
spaghetti)（半包意面）
-10-12 glue sticks (4 inch
mini’s)（点胶棒）
-Mini-hot glue
(low-temp)（类似502的胶水，或热熔胶、AB胶）
STEPS TO BUILD YOUR OWN PASTA BRIDGE!
步骤：
STEP 1: Research Bridge
Truss designs. （研究桥梁桁架的设计）
（这个链接有一些介绍）Link tofor Bridge
Resources (WD-STEM Bridge Site)
（这个链接有一些介绍）Link to
STEP 2: Blueprint.
Draw an exact drawing of the SIDE-VIEW of your
truss.（按照1:1的尺寸画设计图）
<<Must “span” 40 cm. (The opening is 40 cm).
（它的要求是跨度40cm以上，也就是说，你的桥应该设计得比40cm还要长）
*This is an of
the Whipple Truss.（这是Whipple桁架的演化版，我增加了一些对角，并保持中线对称）
*I added extra diagonal supports to the center (around
where
the block will be.)
**In my next design, I’ll have the diagonals meet exactly in the
center, rather than off-center.
STEP 3: Glue
two strands of pasta together the length
of the truss along the bottom.（黏合底部两条梁）
<<THE FIRST TWO STRANDS ARE HERE.
STEP 4: Glue the outside
frame and verticals.（黏合外框）
STEP 5: GLUE the diagonals.
**You can measure them before glueing, OR
as illustrated, glue then cut off the
extra…carefully!（黏合对角线。可在黏合前测量，或如图所示，黏合后切断多余的，这时候要非常小心！）
STEP 6: Do it again! Make a second
truss for the other side.（同样把对侧做好）
STEP 7: BLUEPRINT
#2: The bottom frame (a.k.a. “the frame for the
roadbed/deck)（设计并画出底部蓝图）
<<Notice the cross bars of the bottom frame line up with the
vertical braces on the truss. （注意底部边框线与上桁架的垂直支架的位置关系）
STEP 8: GLUE the frame for the bottom.（黏合底部框架）
STEP 9: Glue the roadbed/deck onto
the bottom frame.（黏合底部“桥面”）
<<Hole in the middle for the eye-hook!（中间的孔是为了放承重块的）
<<Full length spaghetti that crosses next to each other in
the middle section (where the block will
be!).（有些部分的意面是重叠粘贴的，这样可以延伸长度并且增加强度）
STEP 10:
Glue bottom
frame to one truss. (It’s easier to glue together
with the truss on its side.)
（将底部和两侧桁架黏合）
STEP 11: Glue the other truss on the other side of the bottom
frame.
STEP 12: Measure how wide the bottom of the
bridge is. Break pieces this
size to connect the trusses.
Then glue the trusses together with the
pieces.（用合适长度的连接梁黏合两片衍架）
<<Top view. Glued across and
diagonally.（俯视图，包括横向连接和斜向连接）
STEP 13: Add the block (5x5x2 cm) and eye-hook.
Hang over 2 tables with a 35 cm
span.（这是他的测试，只在35cm跨度下，别忘了我们的比赛要求是40cm）
STEP 14: TEST! Put a sheet or tarp under your
bridge.
*Attach a large cup or bucket to the eye-hook.
*Slowly add measured weight until it breaks! (or almost
breaks…)（逐渐加压直至桥梁垮塌或即将垮塌…）
Examples of Spaghetti Bridges（一些例子）：
This has a raised roadbed.
HOW WILL YOU ENGINEER YOUR TRUSS DESIGN?
https://sites.google.com/a/bcsemail.org/wdstem/_/rsrc/1353523112793/home/Design%20Process.jpg
Historic Bridges pdf Descriptions and History of
Bridges
https://docs.google.com/file/d/0B3NwJJWg7A4ARmp6WHlpbXB
More examples and information on Truss Bridges on
Wikipedia
Examples of Truss Bridges on wikipedia
Examples of Pasta Bridges at a competition
Brainpop video on Bridges (log-in required)
Steps to Build a Truss Spaghetti Bridge**
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