Concrete building block that holds water
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Description
Experience Level: Intermediate
I would like to design/build a concrete building block that holds water to take advantage of water’s u-value/thermal mass. I was thinking of using fiber reinforced concrete with calcium chloride and/or acrylic additives instead of reinforcing steel, 5000lbs grout (sand and cement) at the dimensions and shape provided.
For ease of construction, I’d need the weight as close to 30lbs as possible. So maybe using eps granules? Was thinking of using a butyl caulking between blocks (sides/top edges), filling with water, then capping with the next row up. All rows over 15ft or so, won’t have water, just insulation. Since we have three heights, I was thinking of doing three types of engineered blocks (all with the same outside dimensions)…
#1 holds the most weight and goes on the bottom 8+- rows of the tallest walls.
#2 holds the next most weight and goes in the next 8+- rows of the tallest walls, as well as the first 8 rows of the middle height walls
#3 holds the least weight and therefore goes in the top 8+- rows of the tallest walls, the top rows of the middle height walls, and all of the shortest walls.
Each block size will have correlating corner blocks as well as row starter half blocks (shown in drawing). Type green at the beginning of your response so i know you read all the specs.
NOTE: The drawings I’ve provided are only my best guess of what they would look like, you’d still need to run your calculations for each. Thanks
For ease of construction, I’d need the weight as close to 30lbs as possible. So maybe using eps granules? Was thinking of using a butyl caulking between blocks (sides/top edges), filling with water, then capping with the next row up. All rows over 15ft or so, won’t have water, just insulation. Since we have three heights, I was thinking of doing three types of engineered blocks (all with the same outside dimensions)…
#1 holds the most weight and goes on the bottom 8+- rows of the tallest walls.
#2 holds the next most weight and goes in the next 8+- rows of the tallest walls, as well as the first 8 rows of the middle height walls
#3 holds the least weight and therefore goes in the top 8+- rows of the tallest walls, the top rows of the middle height walls, and all of the shortest walls.
Each block size will have correlating corner blocks as well as row starter half blocks (shown in drawing). Type green at the beginning of your response so i know you read all the specs.
NOTE: The drawings I’ve provided are only my best guess of what they would look like, you’d still need to run your calculations for each. Thanks
Lucy G.
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7 May 2024
United States
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