Concrete is not suitable for bricklaying. The aggregate is too coarse even if you choose fine concrete. Instead, use mortar if you want strong joints.
Here is an excellent guide for masonry:
http://www.finja.se/App_Resource/Page/file/betong/5006-1.pdf
It includes, among other things, the type of mortar you should use.
You can find more good guides on the same page here:
http://www.finja.se/Page____1001.aspx?PageID=13&MID=1
http://www.finja.se/App_Resource/Page/file/betong/5006-1.pdf
It includes, among other things, the type of mortar you should use.
You can find more good guides on the same page here:
http://www.finja.se/Page____1001.aspx?PageID=13&MID=1
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