# (Solved): Need solution by using Bresler reciprocal method 11.15 (Biaxial bending) Determine the load capac ...

Need solution by using Bresler reciprocal method

11.15 (Biaxial bending) Determine the load capacity, $$P_{n}$$, for the column sections shown in Figs. $$11.32$$ through $$11.35$$ if $$e_{y}=8$$ in. and $$e_{x}=6$$ ini. using the Bresler reciprocal method. Use $$f_{c}^{\prime}(4 \mathrm{ksi})$$ and $$f_{y}=60 \mathrm{ksi}$$. For each problem the values of $$P_{n x}, P_{n y}, P_{n 0}\left(P_{b x}, M_{b x}\right)$$, and $$\left(P_{b y}, M_{b y}\right)$$ are as follows: a. Figure 11.33: $$930 \mathrm{~K}, 1108 \mathrm{~K}, 2505 \mathrm{~K}(577 \mathrm{~K}, 742 \mathrm{~K} \cdot \mathrm{ft}),(577 \mathrm{~K}, 742 \mathrm{~K}$$. ft). b. Figure 11.32: $$952 \mathrm{~K}, 835 \mathrm{~K}, 2168 \mathrm{~K}(571 \mathrm{~K}, 792 \mathrm{~K} \cdot \mathrm{ft}),(536 \mathrm{~K}, 483 \mathrm{~K} \cdot \mathrm{ft})$$. c. Figure 11.34: $$558 \mathrm{~K}, 495 \mathrm{~K}, 1408 \mathrm{~K}(408 \mathrm{~K}, 414 \mathrm{~K} \cdot \mathrm{ft}),(368 \mathrm{~K}, 260 \mathrm{~K} \cdot \mathrm{ft})$$. d. Figure 11.35: $$1093 \mathrm{~K}, 1145 \mathrm{~K}, 2538 \mathrm{~K}(718 \mathrm{~K}, 865 \mathrm{~K} \cdot \mathrm{ft}),(701 \mathrm{~K}, 699 \mathrm{~K}$$. ft). Figure 1r.02 rroviem 17.4. Figure 11.33 Problem 11.5. Figure 11.34 Problem 11.6. DBLEMS Figure 11.35 Problem 11.7.

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