Civil Engineering Materials Lab

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Civil Engineering Materials Lab

On Oct 16 Monday’s lab, we tested three cylinders of the 14-day concrete for compressive strength, modulus of elasticity, and Poission’s ratio. then
On Oct 23 Monday’s lab, we tested another three concrete cylinders for 21-day compressive strength. Please take look of the fractured specimens pics attached and identify what kind of fracture, and also compare the 14-day strength with the 21 days to see what happen. We made 8 specimens and did the test on 3 for after 14 days and 3 after 21 days. we left saved the remaining two specimens at the lab.
For the testing results of this group report please: (1) demonstrate the specimen variation of three specimens by calculating coefficient of variation (both 14-day and 21-day); (2) demonstrate and discuss the effect of curing days on the compressive strength; (3) calculate the modulus of elasticity and Poisson’s ratio using the data and lab handout I post under Resources; and (4) discuss the fracture of concrete cylinders according to ASTM C39.The post Civil Engineering Materials Lab first appeared on cipdpro.co.uk .Civil Engineering Materials Lab was first posted on December 28, 2023 at 4:42 pm.©2019 "cipdpro.co.uk ". Use of this feed is for personal non-commercial use only. If you are not reading this article in your feed reader, then the site is guilty of copyright infringement. Please contact me at admin@cipdpro.co.uk

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