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The question is... how big are the blocks?
The question is incomplete .One dimension of wall is missing . The unit of dimension of bricks is undefined.
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It depends on the one brick size
because they needed the suport
The question is... how big are the blocks?
You can not build a wall out of plaster, you need bricks/blocks/stone and cement to build a wall.
more than 7
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To effectively build a retaining wall using blocks, start by preparing the base with gravel and leveling it. Then, lay the first row of blocks on the base, making sure they are level and tightly packed together. Continue stacking the blocks, adding drainage behind the wall and backfilling with gravel as you go. Finally, cap the wall with a finishing layer of blocks for stability.
The answer depends on the size of the cement blocks which are not an international standard.
Calculate the exterior face area of he wall you want to build and the face area of the side of the cinder block (add about 1/2 inch to length and 12 inch to width for mortar thickness). Divide the wall area by the block area This is the number of blocks you require. This is how I figure out how many blocks you will need: First measure the length of walls for the blocks in feet. Second divide that number by 4 then multiply the total by 3. That will give you total blocks needed for one course of blocks.
The question is incomplete .One dimension of wall is missing . The unit of dimension of bricks is undefined.
To build a retaining wall around a tree, start by digging a trench around the tree and placing the first row of blocks or stones. Make sure to leave enough space for the tree to grow. Continue stacking the blocks or stones, making sure to backfill and compact the soil behind the wall for stability. Use a flexible material like geogrid to reinforce the wall if needed. Finish by adding a capstone or coping to the top of the wall for a polished look.
279 and then a shim on the inside groove of the last one. The shim should be about 7/16".
To build a retaining wall with blocks, first, prepare the area by leveling the ground and digging a trench. Then, lay the first row of blocks in the trench, making sure they are level and secure. Continue stacking the blocks, adding gravel and soil behind them for stability. Use a layer of geogrid for added support if the wall is over 4 feet tall. Finish by backfilling the wall and adding a capstone for a polished look.
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