Bricks, Masonry, Asphalt and Concrete - 45 degree corners in garden wall
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03-28-01, 06:35 AM
Im building a small garden wall with concrete walling blocks and i have two corners which meet at 45 degrees. I dont know what type of joint i should use. The wall will be about 8 or 9 courses high. Should i cut the bricks and align all the vertical joints at the corner with some kind of re-enforcement laid within the mortar or is there any other method which is suitable. The wall surrounds a patio and appearance is important. Any advice appreciated, Thanks.
2000
03-28-01, 10:51 PM
I cannot discern if you're using concrete blocks, the type, brick or both. Anyway, 45 degree concrete blocks exist click here (http://www.csra.com/csrrinker/products/masonry/BlockChartPg4.htm) Special shapes exist in brick also (try a real masonry yard).
From strength and esthetic viewpoints the special shapes are the better method.
If you're using 8x8x16 CMUs and need to make the joint: purchase open ended stretchers, embed rebar for each block in the footing, lay open ends together, and core solid before capping.
If you're using brick there are many different ways to cut them. On a simple 4" wall two cuts are involved. Butt a corner tip of one brick to the end of another at it's midpoint mocking a 45 degree angle. Then slide the tip to about the 2/3 position. Through inspection you will make the two cuts on the brick whose tip touches the end of the other brick. One 45 degree cut across the tip, the width of the intersecting brick, and then cut the other tip off so a clean line exists. The next course overlaps in the
opposite direction. Short cut brick are used to make bond adjustments.
From strength and esthetic viewpoints the special shapes are the better method.
If you're using 8x8x16 CMUs and need to make the joint: purchase open ended stretchers, embed rebar for each block in the footing, lay open ends together, and core solid before capping.
If you're using brick there are many different ways to cut them. On a simple 4" wall two cuts are involved. Butt a corner tip of one brick to the end of another at it's midpoint mocking a 45 degree angle. Then slide the tip to about the 2/3 position. Through inspection you will make the two cuts on the brick whose tip touches the end of the other brick. One 45 degree cut across the tip, the width of the intersecting brick, and then cut the other tip off so a clean line exists. The next course overlaps in the
opposite direction. Short cut brick are used to make bond adjustments.