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Building a Sandbox

Building a Sandbox. Design specifications are online. Putting it all together. Materials that you need. Special metal parts (e.g. McMaster-Carr rubber sheeting You can request small amounts of rubber from professor Cooke at the University of Massachusetts, cooke@geo.umass.edu

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Building a Sandbox

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  1. Building a Sandbox

  2. Design specifications are online Putting it all together

  3. Materials that you need • Special metal parts (e.g. McMaster-Carr • rubber sheeting • You can request small amounts of rubber from professor Cooke at the University of Massachusetts, cooke@geo.umass.edu • Aluminum plates

  4. Materials that you need to buy • Wood MDF suggested • Glass windows • 1-1/4” screws • For the head screw mount support • A handle for the crank

  5. Putting it all together • MSAD and ISD were able to using their shop facilities Indiana School for the Deaf students with the shop teacher

  6. Putting it all together The same students were making the sandboxes in shop class and using in earth system class

  7. Can you build it yourself? • Yes! • You need some carpenter equipment but not specialized power tools • Saw • Drill • Taps for screws • Any others Mary? Mary Ellsworth built one herself

  8. Other things that you need • Colored Sand • e.g http://www.dickblick.com/ • Fine play sand • 3M Duct Tape or Superglue • talcum powder • Glass cleaner (e.g. Windex) • Water repellant for glass (e.g. Rainex) • Duct Tape • screwdriver • to remove metal plates • Rulers (metal is convenient) • Protractors • Exacto knife or scissors to cut the rubber. • flat trowel • For spreading the sand into flat even layers • Flashlight • provides low-angle light to facilitate observing the extensional faults

  9. Problems that have arisen • The sides of the sandbox bow out during the experiment • The moveable wall tilts • Can add another anchor point for bar behind the moveable wall.

  10. Other things that you might want • Latex gloves • if using super glue • Disposable Masks • Digital camera • Tripod for camera • When you assemble a movie from the still images having each image taken from exactly the same spot makes the movie smoother. • Photo manipulation software • Lab coats • Your clothes stay clean and you can look professional • Sieve • Shaking the colored sand through a sieve (same size as average sand grain) helps make even layers of colored sand next to the window. • Mylar • Slippery mylar along the bottom of compression experiments 'decouples' the sand from the base of the sandbox. This is one variation of boundary conditions that your students can explore. • Large sheets of sandpaper • The high friction of sandpaper placed underneath the sand can cause higher ratios of wedge height:length than the regular sandbox base.

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