The mechanism of consolidation was explained by Terzaghi with the help of a spring-dashpot model using soil-spring analogy. 1. Spring-Dashpot Model: Figure 11.1 shows a dashpot consisting of a cylinder containing a spring supporting a piston. The cylinder is completely filled with water and has an outlet valve to regulate the outflow. Let the initial stress in the spring be [...]
In this article we will discuss about:- 1. Need for Using Sand Drains 2. Advantages of Sand Drains 3. Construction. Need for Using Sand Drains: Structures constructed over highly compressible soils, soft marine clay deposits suffer very large consolidation settlements, which have the potential to cause serious damage or failure of such structures. Such soils, located in the coastal regions [...]
In this article we will discuss about:- 1. Introduction to Terzaghi’s Theory of Consilidation 2. Assumptions in Terzaghi's Theory of Consolidation 3. Validity of Terzaghi's Theory 4. Solution of Consolidation Equation. Introduction to Terzaghi’s Theory of Consilidation: The total consolidation settlement is time dependent. It is often necessary to determine – i. Settlement that occurs in a given time after [...]