This compression system is a very handy invention, especially for Web users, because it lets you reduce the overall number of bits and bytes in a file so it can be transmitted faster over slower Internet connections, or take up less space on a disk.
Concrete hardens to 600PSI (Minimum) after 24 hours. This means that 5 three grown men could all stand on a pogo stick (if that were possible) who's base covers 1 square inch without harming the concrete. You walking with shoes on exert about 10 PSI, well below anything that could damage the new pour.
Guide to what you can and canât do once your concrete is installed. 1  For the First Two Days â Although your new concrete will become solid fairly quickly, it has little strength and hardness for the first two days. 2  For the Rest of the First Week â After two days, you can feel free to walk on your new concrete. Itâs tough enough at that time to resist scars from walking. However, avoid twisting or skidding shoes on the concrete during that time, and keep bicycles, skateboards, and other toys off the surface.