Question: - 2 . ( MM . J 3 4 0 0 . 3 ) uesinoll I | Ssalan I | a ) Discuss the effeet
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uesinoll I
Ssalan I
a Discuss the effeet on soil porosity if the bulk density of a soil increases.
Bincangkan kesan kepada keporosan Ianah jlka kelumpatan pukal tunal menlngkan.
Marks Markali
b The grain size analysis is widely used in the classification of soils. The data obtained from the analysis helps design various engineering projects related to soil including earth dams. As a site engineer, you are responsible for investigating the soil grain size distribution aty has performed the sieve analysis method. The weight of the soil sample use is g and the analysis results are as shown in Table
Analisis saiz butiran digunakan secara mehas dalam klasifikasi tanal Data yang diperolel daripada amalisis membantu dalam mereka bentuk pelbagai projek kejurntueran! yang berkailan lanah I termasuklah empangan bumi. Sebagai jurutera tapak, anda bertanggungianab unnik menyiasa taburan saiz butiran tanah dan telah melakukan kaedah analisis ayak. Beral sampel tanah yomg digunakan adalah g dan keputusan analisis adalah seperti yang ditunjukkan dalam Jadual I.I
tableTable : Sieve analysis results adual : Kepunusan analisis ayak size oseningSieve Number Saiz pengayaktableDiameter mmDiameter mmMass of soil retained on each sieve gBerat tanal tertinggal dalam setiap pengayak gPan
i Analyse the percent finer of each sieve and plot a grain size distribution curve using a semilog graph paper.
Analisa peratusan yang lebih halus bagl setiap alak dan plotkan longkung taburam suiz butiran menggunakan kerras graf separa log
MarksMarkah
ii Calculate the uniformity coefficient, and coefficient of curvature, Kira pekali keseragaman, dan pekali lenghinggan, C
Marks Markrih
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