Table 9.3 Fill Factors for Hydraulic Hoe Buckets Moist loam/sandy clay Sand and gravel Rock-poorly blasted Rock-well blasted Hard, tough clay *Percent of heaped bucket capacity. Reprinted courtesy of Caterpillar, Inc. Material Fill Factor* (%) 100-110 95-110 40-50 60-75 80-90 Table 9.4 Excavation Cycle Times for Hydraulic Crawler Hoes under Average Conditions* Bucket Size (cy) <1 Load Bucket (sec) 5 Swing Loaded (sec) Dump Bucket (sec) Swing Empty (sec) Total Cycle (sec) 4 2 3 14 1−1½ 6 4 2 3 15 2-2½ 6 4 3 4 17 3 7 5 4 4 20 312 7 6 4 5 сл 22 4 5 7 7 6 7 4 5 22 4 *Depth of cut 40 to 60% of maximum digging depth; swing angle 30 to 60 degrees; loading haul units on the same level as the excavator 100 6 24

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One of your junior engineers has submitted a construction quality (CQC) plan foryour review before it is sent to the client. The CQC plan includes a compactionspecification for the compacted clay liner. The specification requires that the clay becompacted to a dry unit weight 92% of maximum dry unit weight (standard Proctor)and wet of standard Proctor optimum water content. Compaction and hydraulicconductivity-water content curves for the soil are shown in the figure below. The clayliner is required to have hydraulic conductivity1 x 10-7cm/sec. Find the acceptablezone based on hydraulic conductivity. Does this specification ensure that the requiredhydraulic conductivity will be obtained?  Part II: Explain the shape of the standard Proctor compaction and hydraulicconductivity-water content curves (above) in terms of the shear strength and fate of clodsduring compaction

Define the Purkaystha and Char reduction factor method ?

GEOTECHNICAL

. If on-site slump test fails, should engineers allow thw contractor to continue the conctreting work, Explain.

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Define the term critical void ratio.

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Calculate the primary consolidation settlement of the 8 ft thick clay layer (See Figure) that will result from the load taken by a 5 ft square footing. The clay is preconsolidated. waterproof rock