![]() ![]() ![]() Examples include stresses suitable bracing or strapping shall be provided, but suchin branch connections caused by pressure or external design must not interfere with the normal performanceloads, or stresses at structural discontinuities. If such provi-are localized in influence and may be self-limiting or sion is not made in the manufacture of the coupling,relieved by local deformation. (b) If compression or sleeve-type couplings are usedAlthough they may exceed the material yield strength, in exposed piping, provision shall be made to sustainsuch stresses may often be disregarded because they the longitudinal forces noted in (a) above. (a) High local stresses are usually generated at struc-tural discontinuities and sites of local loadings. range, SE Ni p number of cycles associated with stress 834.4 Forces on Pipe Joints range, Si ri p Si/SE (a) All exposed pipe joints shall be able to sustain the Si p any computed stress range smaller than SE, maximum end force, lb (N), due to the internal pressure, psi (MPa) i.e., the design pressure, psig (kPa), times the internal area of the pipe, in.2 (mm2), as well as any additional833.9 Local Stresses forces due to temperature expansion or contraction or to the weight of pipe and contents. All parts of the supporting equipment shall be designedwhere and installed so that they will not be disengaged by NE p number of cycles of maximum computed stress movement of the supported piping. ∑ for i p 1, 2, … n neering practice for the service conditions involved. ![]()
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