The best design of an arch dam is when?1. All horizontal water loads

1.	The best design of an arch dam is when?1. All horizontal water loads are transferred horizontal to the abutments2. The dam is safe against sliding at various levels3. The load is divided between the arches and cantilevers and the deflections at the conjugal points being equal.4. The deflections of the cantilevers are equal at different points
Answer» Correct Answer - Option 3 : The load is divided between the arches and cantilevers and the deflections at the conjugal points being equal. Explanation: Arch dam: It may be defined as a solid wall curved in plan standing across the entire width of the river valley in a single span and it uses the horizontal arch action to hold back the water. The arch dam is constructed so that the force of the water against it, known as hydrostatic pressure, forces against it, straightening the arch and strengthening the structure as it pushes into its base or abutments. The weight is distributed evenly throughout the arches and cantilevers, with equal deflections at the connecting points. Forces in Arch Dam: 1. Temperature stresses 2. Yield stress of concrete 3. Uplift Pressure 4. Reservoir water force or Hydrostatic force

The best design of an arch dam is when?1. All horizontal water loads are transferred horizontal to the abutments2. The dam is safe against sliding at various levels3. The load is divided between the arches and cantilevers and the deflections at the conjugal points being equal.4. The deflections of the cantilevers are equal at different points

Answer» Correct Answer - Option 3 : The load is divided between the arches and cantilevers and the deflections at the conjugal points being equal.

Explanation:

Arch dam:

It may be defined as a solid wall curved in plan standing across the entire width of the river valley in a single span and it uses the horizontal arch action to hold back the water.
The arch dam is constructed so that the force of the water against it, known as hydrostatic pressure, forces against it, straightening the arch and strengthening the structure as it pushes into its base or abutments.
The weight is distributed evenly throughout the arches and cantilevers, with equal deflections at the connecting points.

Forces in Arch Dam:

1. Temperature stresses

2. Yield stress of concrete

3. Uplift Pressure

4. Reservoir water force or Hydrostatic force