A portion of a medium-weight concrete masonry unit was tested for absorption and moisture content and...

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1) The gross area compressive strength is calculated by dividing the load at failure by the gross cross-sectional area o...

1) The gross area compressive strength is calculated by dividing the load at failure by the gross cross-sectional area of the unit. (T or F) 2)A hollow concrete masonry unit has actual gross dimensions of 7-5/8” x 7-5/8” x 15-5/8”. If the unit fails under a load of 119.14 kips, determine the gross area compressive strength. 3) A concrete masonry unit tested as follows: Saturated mass - 10,089 g Absorption ______% Oven dry mass - 8,893 g Moisture ...
Problem #3 A concrete masonry unit is tested for compressive strength and produces the following results:...

Problem #3 A concrete masonry unit is tested for compressive strength and produces the following results: Failure load- 726 kN Gross area 0.081 m2 Gross volume 0.015 m Net volume = 0.007 m? Is the unit categorized as solid or hollow? Why? What is the compressive strength? Does the compressive strength satisfy the ASTM requirements for load bearing units shown in Table 8.2?