Please note Central TAFE does not conduct theses laboratory test.

Unit BCGSV5005A
Apply footings & geomechanical design principles to domestic scale buildings

Laboratory test procedures & equipment

Students need to be familiar with the laboratory equipment before they attempt an experiment. A maximum of three students is permitted for group activities.
Students participation in laboratories is compulsory and anyone who misses a lab cannot pass this unit. A second attempt is unfortunately not possible. Please be aware of this!

There are many sites on the Internet which provides you with useful information. Some Internet sites are listed below for additional information on the performance of the experiments that we'll carry out.

Experiment 1 - Soil identification test.
Report 1
Each student has to collect two different soil samples (not clean sandy soils) and to describe and classify them. Some additional soil sample that you need to classify are provided in the lab.
Click here for information that is required to write up your Report 1. (Click here to access the Finger Rub Experiment and browse through the other activities).

Experiment 2 - Particle size distribution (sieve analysis)
Report 2
The purpose of this experiment is to determine the grain size distribution of a coarse grained soil using a sieve analysis.

Click here for a sieve analysis simulation. Do two (2) computer simulation test. The computer simulation will be demonstrated in class.
The report should include all data and a grain size distribution curve must be plotted on the graph by connecting the points with a smooth curve (best drawn with a French curve). Determine the coefficient of uniformity (U=D60/D10). Classify the soil in accordance with the Unified Soil Classification System USCS. If the particle size distribution is not done in the laboratory and the simulation test is used for Report 2 then use this special simulation-chart

Experiment 3 - Liquid limit / plastic limit tests
Report 3
The objective of the liquid limit / plastic limit test (also called Atterberg limits test) is to obtain basic information about the soil to estimate strength and settlement characteristics. It is the primary form of classification for cohesive soils.
Students should be familiar with the test procedure prior to the actual lab test.
Experiment 4 - Soil texture class test
Report 4
The purpose of this test is to find the percentage distribution of sand, silt and clay in a soil sample. Each student need to collect a soil samples (not pure sandy soil), conduct a glass jar test and determine the soil type using the soil textural classification chart provided. Refer to notes and click on Soil texture class test.

Here are some additional links to web sites

General information on soil mechanics