ANALISIS TEGANGAN PIPA PADA SISTEM INSTALASI PERPIPAAN GEOTHERMAL DI PROYEK X

Abstract

Piping system is a complex system, at the time of designing many aspects that need to be considered so as to obtain a design of good and efficient piping system. In this thesis will be discussed about pipeline system stress analysis in project x with line number 0C27LBA01-14”- AD20 BR001, 0C27LBA01-14”-AA20 BR005 and 0CSGLBA01-18”-AA20 BR001 in which the fluid flowing in the pipe fluctuates at the daily pressure and temperature and a stress calculation analysis is required to ensure that the installed pipe line and pipe support are positioned in place so that the stress does not exceed the maximum limitation of the stress set by the ASME code B31.1. the result of stress calculation analysis due to the maximum sustain load is at node 180 in the CAESAR II program 564,2 Kg/cm² and manual calculation 327,3 Kg/cm² with a calculation deviation of 41,99%. For calculation of the stress due to the maximum expansion load is at node 149 in the CAESAR II program 1079,3 Kg/cm² and manual calculation 791,98 Kg/cm² with a calculation deviation of 26,71%. The value of sustain load and expansion load with two calculation methods none of which exceed the limit of the allowable stress on ASME B31.1, and due to fluid fluctuation in terms of pressure and temperature that cause the pipe to undergo erratic changes every day, the node 180 needs to be installed more flexible support so it can follow the change of the pipe, so it can be concluded that the piping system x projected did not happen overstress and safe to operate