(Continued) Item No. Types Shapes and shape fnctor (b) 16 pitched roof with canopy Theof windward pitch,the values given in Item No.2 may be adopted Opposite two enclosed double 17 wi讪canopy on each roof Thefigure to inwhich of windward pitch,the values given in Item No.2 may be adopted Enclosed double arched roof wit油sunken skylight double span, obpitched -0.8 2 roof with sunken skvlights
(Continued) Item No. Types Shapes and shape factors pitched roof 20 wi地sylg蜘 Enclosed double span. doub pitched oo6wi skylights and wind shield 红是气 Encloeed 十-)十一2)十3)十十一)十一2十一3)十 Theofwindward pitch,the values given in Item No.2 may be adopted regulated within three sections of(1)(2)and (3). 23 Encloeed multi-span Theof the skylight face may be adopted as follows Whna≤4h,4,=0.2 When a>4h,.=0.6
Item No. Types Shapes and shape factors (a) The fi applicable to the conditions in whichHH and s/H 0.2-0.4 B D 15° +0.9 -0.4 0 +0.2 -0.2 30 +0.9 +0.2 0.2 6 0.2 +1.0 +0.7 -0.4 -0.2 +1.0 +0.3 +0.4 +0.5 60 Enclosed double +.8 t903 24 aside mountain 90 8 +0.5 +0.7 +0.6 +0.8 88 9 +1.0 +0.9 -0.1 +0. -0.4 D D (b) c BB' Shape factor B ABD EA'B'C'D'F ST舒 0.8 +0.9 -0.9 +0.9 8 -0.9 +0.9 -0.2 -0.2 of with 2 e/≥2 Shape factor BAB C DD C B A'E +0.9+0.2-0.6-0.4-0.3-0.3-0.3-0.2-0.5 +0.9+0.6+0.1+0.1+0.2+0.2+0.2+0.4+0.1 +1.0+0.8+0.6+0.2+0.6+0.6+0.6+0.8+0.6 31
(Continued) Item No. Types Shapes and shape factors 13 Double pitched roof with one side open For pitch,the values given in Item No.mayb adopted (a)with gable walls in two ends (open in four sides Shape factor a 划 严2 ≤10 -1.3 -0.7 30 +1.6 +0.4 Double pitched oof 27 with two or four For medium vales,calculated by interpotion sides open Note:1 The roofs shown in the figure are wind-sensitive,the sign change of poitive and gative ofshall bederdndeig 2 The theoofcaused by wind load s: 0.05 Au for a≥30的 0.104 for a<30 of the win g e roof height of 3 are pi d in the house or the situated a de mountain,that the suction ofoo fing shall be ad,the of shape factor given in Item No.26( may be adopte 32
(Continued）) Item No. Types Shapes and shape factor -0.8 Double pitched roof, the front and back longitudinal wals of house Theof windward pitch,the given in Item No.2 may be adopte are half open that the ntd is10% 50 area r the factor for the leeward wall can b changed to-1.1 (a) Y莲 a 88 For medium vales,calculated by interpoation () Monopitched and double pitched top cover of house The vales of shape factor given in Item No.27 may be adopted (e) +1.0 +0.7 -1.6 -0.4 For medium values,calculated by interpolation Note:for (b)(c),the Note 1,2 of Item No.27 shall be considered