Frost heave - PowerPoint PPT Presentation

WEATHERING PROCESSES

WEATHERING PROCESSES. Physical and Chemical Weathering. Weathering: . in-situ breakdown of material. Weathering: in-situ breakdown of material. physical (or mechanical) weathering chemical weathering resistance to weathering function of: internal resistance of material

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Protection from Freezing

Protection from Freezing. Town of Markham Building Standards Department Special Investigations. Ontario Building Code. Sentence 9.12.1.3.(1) of the Ontario Building Code requires; “The bottom of excavations shall be kept from freezing throughout the entire construction period.”

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