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| A rounded structure that is empty and strong. It looks like a dome (egg) |
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| A skeleton holds up other parts of the structure. |
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| A structure made by piling materials up. |
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| What is a backpacking tent, and soda can. |
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| What structure would fail : the material is was built from has small cracks or weaknesses, the weight of the structure caused the ground underneath it to shift, the outside walls were tilted slightly by an earthquake. |
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| heating up and melting together |
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| melting pieces on to stay together |
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DL- The weight of something that stays the the same
LL- The forces that act on a structure. that can change |
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| The force used by gravity |
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| The change when a force is on a structure |
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| Bends things opposite ways |
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| Twisting things opposite ways |
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| Dead or live load? wind blowing against a tree, the weight of the tree, the weight of a bird in the tree |
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| Bend or buckle, shear, compressive |
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| Which is more stable? wet soil/dry soil, bedrock/loose soil, unbalanced forces/balanced forces, arch without a tie beam/arch with a tie beam or “bow string arch” |
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Definition
| dry soil, bedrock, balanced forces, arch with a tie beam or “bow string arch” |
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