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  1. Typical Values of Unit Weight for Soils. The terms density and unit weight are used interchangeably in soil mechanics. Though not critical, it is important that we know it. To find the formula for density, divide the formula of unit weight by gravitational constant g (acceleration due to gravity).

  2. The soil unit weight is used to compute the total weight of each slice along a trial slip surface. The slice weight is determined by integrating the soil unit weight in increments over the height of the slice. There are three options available in SLOPE/W for handling the soil unit weight: 1.

  3. The unit weight, also known as the ‘weight density’, of a soil refers to its weight per cubic metre and is typically expressed as kilonewtons per cubic metre (kN/m3), or tons per cubic metre (t/m3)1.

  4. Aug 15, 2024 · Unit weight of soil is defined as the ratio of the total weight of soil to the total volume of soil. It is also referred to as Specific weight. Mathematically, Unit weight of soil = Weight of soil (W) / Volume of soil (V) The soil has void spaces which may be filled with water or air.

  5. The unit weight of soil is the ratio of total weight of the soil to the volume of the soil. The unit weight is also called ‘weight density’, of soil equals to its weight per cubic meter and is typically expressed as kN/m 3.

  6. Apr 15, 2024 · The ratio of the weight of a material to its volume is its unit weight, sometimes termed specific weight or weight density. The unit weight of water, Yw, is 9.81 kN/m3 in the SI system and 62.4 lb/ft3 in the English system. The unit weight of solids, Y s, varies with the mineralogy of the soil particles but is commonly in the range of 26.0 to ...

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  8. What is Unit Weight of Soil? The unit weight of soil refers to the weight of the soil mass per unit volume of the soil. It is typically measured in units of kilograms per cubic meter (kg/m³) or pounds per cubic foot (lb/ft³). The unit weight of soil is influenced by factors such as moisture content, void ratio, porosity, and particle density.