What is the difference between compression and consolidation?

Following are the differences between compaction and consolidation of soils. Compaction is the compression of soil by the expulsion of air from the voids of the soil. Consolidation is the compression of soil by the expulsion of water from voids of the soil. It is a quick process.

What is the difference between compressibility and consolidation of soil?

The compressibility of soil is defined as the capability of soil to decrease its volume under mechanical loads, whereas the consolidation is the compression of saturated soil under steady pressure and it is occurred as a result of water expulsion from the soil voids.

What is compression in pharmacy?

Pharmaceutical compression process is an important part of pharmaceutical tablet manufacturing. Whereupper and lower punchesbringing together under pressure within the die to form the tablet. As the punches enter the compressing stage, the upper and lower punches move between two large wheels called pressure rolls.

What is compaction of tablets?

Compaction process of pharmaceutical powders consists of filling process of powders into a die, compressing process of filled powders in a die by upper and lower punches and ejection process of a compacted tablet from a die.

What is soil compression?

Soil compressibility is the ease with which a soil decreases in volume when subjected to a mechanical load. The process that describes the decrease in soil volume (soil densification) under an externally applied load is defined as compression.

What is compaction in pharmaceutical industry?

Compaction is one method of producing granulates that uses pressure to minimize the space between individual particles. Both processes are essential to the production of pharmaceutical products such as pills, capsules, and tablets.

Why compaction is done?

Compaction is a process of increasing soil density and removing air, usually by mechanical means. The size of the individual soil particles does not change, neither is water removed. Purposeful compaction is intended to improve the strength and stiffness of soil.

What do you mean by compaction?

noun. the act of compacting or the state of being compacted. Geology. the consolidation of sediments resulting from the weight of overlying deposits.

What makes a soil compressible?

Compression of soils is due to (i) exclusion of air or water from the void spaces, (ii) rearrangement of soil particles, (iii) compression and deformation of solid particles, and (iv) compression of the liquid and gas within the voids.

What is compaction in soil mechanics?

What is compaction? Soil compaction occurs when soil particles are pressed together, reducing pore space between them (Figure 1). Heavily compacted soils contain few large pores, less total pore volume and, consequently, a greater density. A compacted soil has a reduced rate of both water infiltration and drainage.

What is purpose of compaction?

3.1 Purpose of Compaction Compaction increases the shear strength of the soil. through soil. This is important if the soil is being used to retain water such as would be required for an earth dam. Compaction can prevent the build up of large water pressures that cause soil to liquefy during earthquakes.

What is friability formula?

Calculation: Friability (%) = W1 – W2/ W1 X 100. Where, W1 = Weight of Tablets (Initial / Before Tumbling) & W2 = Weight of Tablets (After Tumbling or friability)