![]() They lack the tensile and shear strength of concrete blocks. Cinder blocks are prone to moisture damage. Concrete blocks can also come in different grades, made with different density concrete.Ĭinder blocks cannot support the same loads as concrete blocks. Concrete blocks often use a small amount of fly ash in the mix. They are lighter but not as strong as concrete blocks.Ĭoncrete blocks are made from portland cement, sand and aggregate. ![]() There are cinder blocks and there are concrete blocks.Ĭinder blocks use portland cement and fly ash (cinders) from burning coal. My hardware stores call them out different, but not to say they are actually different in terms of strength. So i think as long as you use construction type blocks vs. Even the block manufactures flyer doesn't spec the concrete being used. the other is made of a different grade of concrete. I look at my local hardware store website (Menards) and they just spec all of their concrete block as "standard" and/or "construction", with no callouts that one vs. I would use thinner block or 2x PT lumber to get the beams of my build level. ![]() I would then put rebar into the hollow sections and fill them with concrete to basically bond everything together. My plan was to put down a 24"圆" pre-cast concrete pad, then stack 2 layers of 8x8x16" hollow blocks. I'm not familiar with that ABS pad you referenced.do you have a link? Xinull I was planning on a similar setup as you so i'm curious what others have to say. How big is the building and what's the frost dept? So my question, structurally, do any of these 2 design have capacity to fail under load? If the first plan goes to shit, Plan "B" is to use the same ABS mini-home pad, then 2 layers of 8x8x16 concreate blocks and a layer of PT spacer, then the skids/girders ![]() The guy at home hardware said the solid blocks were not made for compression and would break apart. Then i would have a Pressure Treated spacer on top (not shown in picture) and then the skids/girders on top of that. Then place 2 solid concreate block of 3x8x16 sitting on top. So, Plan "A" was to build 1 layer of 2 8x8x16 concrete blocks on top of a 2" ABS mini-home pad. Now i find this a little hard to believe, but here I am asking the real experts with experience I was at the home hardware today and was explaining how i was building my piers and they told me that the solid 3" concrete blocks would not hold the weight of the cabin and would just disintegrate into pieces from the shear weight. Small Cabin Forum / Cabin Construction / Concrete Block Piers Forums - Register/Sign Up - Reply - Search - Statistics. ![]()
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