Resources for the Future Pizer and Kopp. 3. cost to the economy.5 This is the notion of cost most often described by economists (e.g., Harberger 1971; Diamond and Mirrlees 1971). Defining and estimating Ci ()az, is far from trivial.
For stepping stones that are going to see a lot of use, you should consider using reinforced concrete so that your stepping stones are more durable. This type of concrete also sells at most hardware stores, often under the names gravel mix reinforced or fiber reinforced premixed concrete..
Spread Mortar and Lay Stones. A 1 layer of mortar is spread and the stones are laid one riser and tread at a time and tapped into place with a rubber mallet. After the joints are packed with mortar and allowed to dry for several days, the new steps are ready to use. After completing your stone steps, keep foot traffic off the steps for a week.