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<br /> <br /> <br />Figure 22. Nailed roof rafter and ceiling joist <br />connection (connection has been failed) <br /> <br />1200 <br /> <br /> <br />~ <br /> <br />Figure 23. Roof rafter and <br />ceiling Joist load deflec- <br />tion curves - #2 pine (from <br />Pace and Campbell 1978, <br />op. cit. p 6) <br /> <br />1400 <br /> <br />1000 <br /> <br /> 000 <br />~ <br />~ <br />,; <br />u <br />. <br />0 <br />. <br /> .00 <br /> <br />LOADED UNLOADED <br />L2!:!.....!l 6 ON 12 <br /> <br />T-16 <br />__T_17 <br />____ T-18 <br /> <br />...............-T.19 <br />_._r_2J) <br />___T_2l <br /> <br />...0 <br /> <br />~ <br />-...-T-ll <br />-X-T-23 <br /> <br />.!.Q!i..!1.. <br />_ltlf_T_25 <br />-X!l:""- T-26 <br />___T_rT <br /> <br />200 <br /> <br />o <br />o <br /> <br />100 <br /> <br />200 300 <br />DEFLECTION, 10-3 IN <br /> <br />000 <br /> <br />.00 <br /> <br />31 <br />