NASA Technical Memorandum 87594 _! STRESS- INTENSITYFACTORSFORCIRCUMFERENT IALSURFACE CRACKS I_! PIPES ANDRODSUNDER TENSIONANDBENDING LOADS ? i ..... (_ASA- _M-8759g) STRESS-I_T_NS ITY FACTOE S _85-35924 FO_ CI_CUHFN_NTIAL SURFACE CR_CKSIN PIPES _ND NODS UNDER TRNSION AND BRNDIRG LOADS (N_SA) 36 p HC A_,3/H? A_I CSCL2oK Unclas _, ,_: _3/39 22296 _,,: I,S, RajuendJ C Newman, Jr August1985 u'" National Aeronautics and Space Admh]_Shabort , " Langley Research Center • Hampton, Virginia23565 ,>