11- Fop on 8X8X16 masonry block unit, the actual dimensions are ____X____X____ 1
ID: 1710262 • Letter: 1
Question
11- Fop on 8X8X16 masonry block unit, the actual dimensions are ____X____X____ 12-For type S mortar in Masonry, the average compressive strength @ 28 days is ____psi 13-The radius of gyration for a 16X24 masonry column is____ 14-The weight of a normal weight hollow concrete block wall that is 8" thick solid grouted is ____psf, and that is grouted @24" o.c. is ____psf, 15- Using #3 tics in a 16X24 masonry column with 4#7 vertical bars, the tie spacing should be____O.C., Show your work here. 16-For interior columns, K_ll=, and for interior beams, K_ll=____ 17-The allowable tensile stress, F_s. for Grade 40 steel is ____psi. and that for Grade 60 steel is ____psi. 18-The steel ratio, rho. in masonry column design should be between ____and____. 19-One of the requirements for masonry column design is that H/t is less than ____ Which failure mode would that control? Explain 20 - The formula to calculate the moment at the base of a masonry cantilever retaining wall is ____.Explanation / Answer
1ans) for 8x8x16 masonary block unit the actual sizes are 7.625x7.625x15.625.specified dimensions compensate for a nominal 0.375 inch joint for percision and split face cmu.
2ans) for the s type motor the average compressive strenght for 28 days is 2100psi as per ASTM
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