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Centre of Studies For Construction Faculty of Architecture, Planning And Surveying University Teknologi Mara Shah Alam Centre Name: AP Lab SOIL Centre Code: BCM 514 Prepared By: Muhamad Hafey Bin Asni 2016687472 AP2463A Prepared To: Submission Date: EXPERIMENT NO. 1 DETERMINATION OF MOISTURE CONTENT (STANDARD METHOD OV
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    Centre of Studies For Construction Faculty of Architecture, Planning And Surveying University Teknologi Mara Shah Alam Centre Name: AP Lab SOIL Centre Code: BCM 514 Prepared By: Muhamad Hafey Bin Asni 2016687472 AP2463A Prepared To: Submission Date:  EXPERIMENT NO. 1 DETERMINATION OF MOISTURE CONTENT (STANDARD METHOD OVEN DRYING METHOD) The water content is the most frequently determined soil characteristic. It is defined as the ratio of the weight of water to the weight of the dry soil grains in a soil mass. The water content is a good indication of the strength of clay soils. The standard method of determining the moisture content is by over drying at 105-110 degrees C but several other methods are available as rapid alternatives more suitable to site conditions. In this experiment you are required to compare these tests for a clay and granular soil. Note: This method is also used to determine the moisture content of soil samples used in other tests explained in this manual. Apparatus required for the various methods explained i) A thermostatically controlled oven set at a temperature of 105-110 °C ii) Sample Tins iii) Balance readable and accurate to 0.01g iv) v) Scoop The sample container shall be cleaned, dried and weighed to 0.01g. Place the soil loosely in the container. Weigh the container and contents. Then place in the oven. The period required for draying will vary with the type of soil and the size of sample. In general, 16-24 h is usually sufficient for drying most soils. The sample will be deemed to be dry when the differences In successive weighing of the cooled sample at 4 hourly intervals do not exceed 0.1% of the srcinal weight of the sample. Calculations The moisture content of the soil (m) shall be calculated as a percentage of the dry soil weight, from the formula: m = m²−m³m³−m¹  x 100%  where m¹ = mass of container m² = mass of container and wet soil m³ = mass of container and dry soil Results The moisture content of the soil (m) should be reported to two significant figures for values up to 10% and to the nearest whole number for higher values. Data Collection Container no. 1 2 3 Mass of wet soil + container (m2) g 187.48 168.78 179.66 Mass of dry soil + container (m3) g 162.07 143.01 159.19 Mass of container (m1) g 25.56 26.38 26.50 Mass of moisture (m2 - m3) g 25.41 25.77 20.47 Mass of dry soil (m3 - m1) g 136.51 116.63 132.69 Moisture content w = m2−m3m3−m1  x 100 % 0.186 0.221 0.154 Guide for the Selection of the mass of soil to be sieved Maximum size of material Minimum mass of sample to Present in substantial be taken for sieving Proportion (more than 10%) Retained on B.S. test sieve (mm) (kg) 63 50 50 35 37.5 15 28 5 20 2 14 1 10 0.5 6.3 0.2 Passing 2mm, 600µ m 01 300µ m, or 63µ m  A selection of sieves should be stacked together ranging from, at the top, the largest size test sieve appropriate to the maximum size of material present down to the 63m size. Eight sieves will usually be sufficient. Beneath the bottom sieve a receiver pan should be fixed. The sample should now be placed in the top sieve, a cover placed over the sieve and the whole assembly fixed in a mechanical shaker and agitated for a minimum of 10 minutes . If any test sieve becomes overloaded the material on the test sieve should be sieved in parts, the parts not to exceed the masses given in the table following. The material from each of the sieves should be rubbed with the rubber pestle in the mortar and re-sieved to make sure that only individual particles are retained. The amount, retained on each sieve to be weighed before and after the re-sieving. Perform this re-sieving on only one sieve Conclusion
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