Be Yourself Quotes. â Be who you are and say what you feel, because those who mind donât matter, and those who matter donât mind.â â Bernard M. Maruch. â Imperfection is beauty, madness is genius and itâs better to be absolutely ridiculous than absolutely boring.â â Marilyn Monroe.
Select the appropriate equipment and settings. A gas or electric washer with a pressure rating of at least 3,000 PSI, and a flow rate of at least 4 gallons (15.1 L) per minute, will effectively clean exterior concrete. Set the spray nozzle to high pressure and use a 40-inch spray tip. Add an appropriate cleaning solution to the reservoir. Prep the concrete surface.
Effect of Concrete Strength and Slab Thickness on Floor Strength. Q.: The specification for the floor of a maintenance building called for a 6-inch slab thickness and concrete with a design compressive strength of 3000 psi. The actual average cylinder strength for the floor concrete was 3630 psi. Four months after the floor was placed, 10 cores were drilled, measured, and tested in compression. The average core length was 5.62 inches, and the average strength was 5580 psi.