{"responseHeader":{"status":0,"QTime":6,"params":{"q":"{!q.op=AND}id:\"14486\"","hl":"true","hl.simple.post":"","hl.fragsize":"5000","fq":"!embargo_tdt:[NOW TO *]","hl.fl":"ocr_t","hl.method":"unified","wt":"json","hl.simple.pre":""}},"response":{"numFound":1,"start":0,"docs":[{"modified_tdt":"2009-05-12T00:00:00Z","thumb_s":"/1d/b0/1db06398f33518443b8ff423d274e14018e0a5a2.jpg","oldid_t":"altaav 76","setname_s":"uu_altaav","file_s":"/10/92/1092c5be9d5ac42d359508ad715e4d33956b3084.pdf","title_t":"On the Destructive Force of Avalanches - Page 48","ocr_t":"IV. ON AVALANCHE EFFECTS AND THEIR CONTROL 1. Simplified Calculation A. Fundamentals Units L m = meters], [ kg = kilograms], [ sec = seconds] h = vertically measured, natural snow depth, or the depth of the sliding snow layer h' = height of flow of the avalanche y0 = average density of the natural snow cover, or of the sliding snow layer Y = density of the flowing snow ( I) Yd = Y ( 1 + p/ p0)/[ l + ( Yp/ Y FP0) ] according to Equation ( 19) Density as a result of dynamic compression by the pressure p over atmospheric pressure p0 ( r ) Y m = YL'l + 1/ 2 ( 1 + Y/ fF} ( P/ Po} 3/[ l + ( Y P / Y F P O }] according to Equation ( 21): Y m ~ ^ Y + Yd-* / 2 Ym = average density for the dynamic pressure calculation at the maximum overpressure p in kg/ m2 above the atmospheric pressure pQ = 10,000 kg/ m2 Yp = 600 to 900, on the average 800 kg/ m3; maximum attainable density of the snow ( II) Y max = ( Y0 + Y FP/ P0 } / ( 1 + P/ P0 } according to Equation ( 22) = maximum density after compression by the over pressure p above atmospheric pressure pQ Y L ~ 10/ 8 kg/ m3 = density of air ty = angle of the slope AV in the release zone o \\ lr in the zone of destruction u \\| r average angle of the slope 47","restricted_i":0,"id":14486,"created_tdt":"2009-05-12T00:00:00Z","format_t":"application/pdf","parent_i":14504,"_version_":1679953304751177730}]},"highlighting":{"14486":{"ocr_t":[]}}}