Up Ekamai Project
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Soil boring with Rotary drilling
Rotary drilling uses a rotary action combined with downward force to grind away the material in which a hole is being made. Rotary methods may be applied to soil or rock, but are generally easier to use in strong intact rock than in the weak weathered rocks and soils that are typically encountered during ground
Soil Boring with Wash Boring Method
Wash boring is a relatively old method of boring small-diameter exploratory holes in fine-grained cohesive and non-cohesive soils. It was widely used in the USA in the first half of this century, but has been largely replaced by power auger methods. It is still used in areas of the world where labour is relatively cheap,
Field Density Test Service
A. Rubber-Balloon Method 1. Position the density plate on a flat surface and set the volume measuring apparatus in the recessed hole in the density plate. 2. Hold the apparatus down firmly in position, open the control valve, pump the balloon down with the rubber bulb until the water level in the graduated cylinder has
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