Introduction to Curves in Surveying (Horizontal & Vertical)
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The document is a lecture note on surveying, specifically focusing on horizontal curves in civil engineering. It explains the definition, necessity, and types of horizontal curves, as well as methods for setting them. Key concepts include centrifugal force, superelevation, and various curve types like simple and compound curves.
Introduction to Curves in Surveying (Horizontal & Vertical)
- 1. MAHATMA EDUCATION SOCIETY’S PILLAI HOC COLLEGE OF ENGINEERING AND TECHNOLOGYDepartment of Civil Engineering Surveying-II Prepared by – Mr. Atul Anand Dongre Assistant Professor, PHCET, Rasayani 26-01-2019 1
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- 5. What is Curve ???? When the two lines (i.e. the original and deflected line) are connected by an ARC is known as Curve ᶲ Deflecti on Angle Alignment What is Horizont al Curve ???? When the curve is provided in the horizontal plane, it is known as a 26-01-2019 5
- 6. Necessity of providing Curve To run the vehicle easily with high and safe speed along the unavoidable circumstances To reduce Wear and Tear of vehicle Superelevatio nWhen a vehicle moves from a straight to a curved path, the centrifugal force tends to push the vehicle away from the road To counter balance the centrifugal force , the outer edge of the road or rail is raised to some height, which results in counter balancing of overturning force 26-01-2019 6
- 7. Types of Horizontal Curves Simple Curve Compoun d Curve Reverse Curve Transiti on Curve Lemniscat e Curve Horizon tal Curve Types 26-01-2019 7 Simple Curve
- 11. 26-01-2019 11 Horizontal Curve Setting Methods Linear Method (Using chain and tape) Long Chord Method Angular Method One theodolite and two theodolite method (Rankine Method) BACK TO NOTEBOOK
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