Hello fellow members, My question is regarding to hyperstatic supported beam problems. The following links describe the problem. http://i1189.photobucket.com/albums/z434/Virgule99/Piping/8pipe.png http://i1189.photobucket.com/albums/z434/Virgule99/Piping/hyper_pipe1.png http://i1189.photobucket.com/albums/z434/Virgule99/Piping/hyper_pipe2.png The pipe is anchored at point A and simply supported at point C. The force FB represents the weight of the pipe and the force FD represents the half weight of a section of pipe (135'') continuing in Z. QUESTION 1 : Is aplying the half weight of the 135'' section in Z at point D a good simplification when modeling the effects of this section on the section in X ? QUESTION 2 : Could I consider the whole X and Z section as a straight section in X of the same length ? Considering the problem as I drew it, I have 3 unknown variables : MA, FA & FC I have 2 equations coming from equilibrium equations :Forces in Y = 0 (equation 1) & Moments in Z around A = 0 (equation 2) So I have a hyperstatic problem of the first degree. I thought of solving the problem by using singularity functions (leading to equations 3.1, 4.1 & 4.2 (2nd page)) but that bring up 2 more unknown variables (C1 & C2). So I still have 6 unknowns and 5 equations. QUESTION 3 : Is the singularity functions method a proper way of solving this problem ? If yes, how do I get my sixth equation ? If no, how would you proceed ? Thanks for your input.