salt damage
Throwing good money after bad. ( tax money)
They think the problem is the salt used to melt snow and ice. They have gotten very careful to use just enough salt.
I can handle that math. That is enough for 5 miles of repair.
Why can they not find the real problem ?
Why does this part of the wall get a window ?
Water plus carbon dioxide make......................
As rain falls through the atmosphere, and especially as it moves through the soil, the water mixes with carbon dioxide gas to create a weak solution of carbonic acid. This acid is many times more efficient than water at dissolving rock. An even more powerful acid to dissolve rock is sulfuric acid. This acid can be formed either by water coming into contact with rocks containing sulfide minerals, or by bacteria within the groundwater which break down rock as a normal process of their life cycle. But even a weak solution of carbonic acid, or the much stronger sulfuric acid, will not make a cave unless it can get underground. One way water moves deeper into the earth is through cracks or fractures which geologists call joints or faults. These fractures allow water to move further into the rock. The fractures widened over time as the acid dissolved away the soluble rock. What once were small cracks eventually widened into larger voids or cavities. Some of these cavities widened into larger rooms or caves. And some of the caves eventually connected with other caves to form caverns.
http://cavern.com/cave-science/
They think the problem is the salt used to melt snow and ice. They have gotten very careful to use just enough salt.
I can handle that math. That is enough for 5 miles of repair.
Why can they not find the real problem ?
Why does this part of the wall get a window ?
Water plus carbon dioxide make......................
As rain falls through the atmosphere, and especially as it moves through the soil, the water mixes with carbon dioxide gas to create a weak solution of carbonic acid. This acid is many times more efficient than water at dissolving rock. An even more powerful acid to dissolve rock is sulfuric acid. This acid can be formed either by water coming into contact with rocks containing sulfide minerals, or by bacteria within the groundwater which break down rock as a normal process of their life cycle. But even a weak solution of carbonic acid, or the much stronger sulfuric acid, will not make a cave unless it can get underground. One way water moves deeper into the earth is through cracks or fractures which geologists call joints or faults. These fractures allow water to move further into the rock. The fractures widened over time as the acid dissolved away the soluble rock. What once were small cracks eventually widened into larger voids or cavities. Some of these cavities widened into larger rooms or caves. And some of the caves eventually connected with other caves to form caverns.
http://cavern.com/cave-science/