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Freeze Thaw Action

Published on Feb 13, 2016

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PRESENTATION OUTLINE

1.

FREEZE THAW ACTION

THE WHOLE PROCESS
2.

THE PROCESS

  • Water fills a crack in a rock
3.

THE SECOND PART

WATER FREEZES FROM THE TOP OF THE CRACK DOWNWARDS
4.

THE THIRD PART

THE ICE CANNOT EXPAND UPWARD BECAUSE THE TOP LAYER IS ALREADY FROZEN
5.

THE FORTH PART

THE ICE EXPANDS SIDEWAYS,PUTTING PRESSURE ON THE ROCKS
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Sthombe Madida

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