Mention some question that we at times become curious to inquire related to the history ?
Answers
Answer:
Explanation:
This space does not allow us to quote the history of the construction of dams.
The first is the legendary kingdom of Sheba whose splendor of their queen is famous in the Bible at the time of SOLOMON. In this kingdom, dams existed at EDRAA, ADSHMA, and near Marib, the capital. Not far from this city existed by far the most important work, the SUDD AL ARIM dam on the Dhana wadi, built around 750 BC. It consisted of an earth embankment of about 4 m high and 600 m long. It was not built at the narrowest point of the river, to avoid flooding and had on each bank of large drainage works in excellent masonry. Around 500 BC, this dam was raised to 7 m and again to 14 m in the year 325 AD. The successive elevations were probably due to the sedimentation of the reservoir which reduced the available capacity, as well as to the increase in water requirements at the rate of the increase in populations. Profiles successive works were triangles, the upstream and downstream facings being inclined at 45 °. The upstream facing was covered with masonry jointed with mortar. So for over a thousand years,