Forum Discussion
rgatijnet1
May 21, 2015Explorer III
Geocritter wrote:
BTW many folks have said not to use concrete blocks but these ones are different, they’re engineered to have a great deal of compressional strength and weigh I’m guessing about 80 lbs each (they’re damned heavy!).
Many people have used concrete to support their vehicle without a problem. To add to that, many people used concrete to support their vehicle during their LAST time.
Unless the concrete blocks have steel reinforcement inside of them, if they crack they will come apart, instantly.
I am glad that SO FAR those blocks have worked for you but there have been too many people injured or killed when the concrete blocks failed. A simple search on the internet will bring up many examples of block failure resulting in death or injury.
ALL concrete is engineered to provide compressive strength. Even the basic cheap concrete driveway slab has a compressive strength of 2500 pounds per square inch. The problem with concrete is that altho it has good compressive strength it has almost zero tensile strength. This is why concrete cracks and will fail instantly unless it is reinforced with lots of steel.
Good luck and I hope things go well.
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