Labels:hakham | sky | television OCR: Weakest Point Compressive Forces on of Bank Snow Bank Eventual The Process Points Fracture Thaw Initial Gravitational Snow force Blanket compresses the snow Densification the bank density, toward and the Jower compressive, end increasing shear Snow Guard and tensile strengths of the bank When snow blankets roof forces are in a direction parallel to the roof surface These are sometimes called drag loads gravity loads These loads are resisted by the temperature- -sensitive bond that occurs between the snow bank and the roof surface When that bond breaks due warming of the roof surface the blanket tears at the ridge and is then restrained by snow guards The forces that result from the vertical and vector loads pushing the snow downslope compress the snow immediately adiacent to the roof surfa ...
