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In this article, we will discuss the Tresaguet Road Construction.
After the fall of the Roman Empire, their technique of road construction didn’t gain popularity in other countries.
Pierre-Marie-Jérôme Trésaguet (1716 – 1796 AD) developed an improved method of road construction in France in 1764 AD, which was considered to be quite advantageous and meritorious.
1. Features of Tresaguet Road Construction
The main features of Tresaguet Road Construction were:
a. The thickness of the construction was only 30 cm.
b. Side drainage was also provided on these roads.
c. There was a provision of camber with slope 1 in 45.
d. There was a provision for a side drain.
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2. Construction of Tresaguet Road
Construction of Tresaguet Road was done in the following steps:
a. At first, the soil was excavated and then large stones having a thickness of 17 cm were laid.
b. Kerbstones were utilized at the corners.
c. Above stones, broken stones of about 8 cm thick were used.
d. At the top, a sloping wearing surface of 5 cm thick was provided. Stone powder or lime was generally utilized on the wearing surface.
e. The thickness of such constructed road was 30 cm and the width was 2.7 m.
f. Shoulders having a slope of 1 in 20 were also provided on this road.
g. There was also a provision for a side drain.
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