Sand cone replacement test-method-was-conducted to-determine the density during theconstruction of the road base layer. The result.of the test is shown in Table 2(a) and 2(b). As aproject engineer, you need to identify either the compaction effort for the construction of thisroad base layer comply or not to-the Specifications of Roadwork by Public Work Department(JKR 2008). According to the road-work-specifieation (JKR 2008), the road base layer must becompacted at-least 95% of Maximum Dry Density. Based on your finding, put your commentabout the obtained resultQ2Table 2(a): Density test resultTable 2(b): Moisture content testMass of trayMass of tray + soilMass of tray + dry soil1.65 g2.65 g2.50 gBulk density, po1939.67 kg/m3Maximum Dry Density (MDD)1760.00 kg/m3Ans,Q3 NotQ2Laboratory compaction is required to determine the relation of density and moisture content forroad base layer. According to the standard roadwork specification (JKR, 2008), compaction testmust comply with B.S. 1377: 1990. Based on that standard procedure using modified rammer of4.5 kg and 1 litre standard mould, prepared with 5 layers and compacted for 27 blowers/layer,determine the laboratory compaction effort (kJ/m?). (Assume accleration due to a gravity is 9.81m/s?)Q3If the blows of laboratory compaction increase to 50 blows/layer and the specimen diameter is100 mm and 200 mm height, determine the compaction layer of the specimens. Based on yourresult, give your comment on the adequacy of compaction layer.

The given data is shown below: Weight of rammer=4.5 kgVolume of mould=1 litreNumber of…

Laboratory compaction is required to determine the relation of density and moisture content for road base layer. According to the standard roadwork specification (JKR, 2008), compaction test must comply with B.S. 1377: 1990. Based on that standard procedure using modified rammer of 4.5 kg and 1 litre standard mould, prepared with 5 layers and compacted for 27 blowers/layer, determine the laboratory compaction effort (kJ/m?). (Assume accleration due to a gravity is 9.81 m/s?) Q3 If the blows of laboratory compaction increase to 50 blows/layer and the specimen diameter is 100 mm and 200 mm height, determine the compaction layer of the specimens. Based on your result, give your comment on the adequacy of compaction layer.

Laboratory compaction is required to determine the relation of density and moisture content for road base layer. According to the standard roadwork specification (JKR, 2008), compaction test must comply with B.S. 1377: 1990. Based on that standard procedure using modified rammer of 4.5 kg and 1 litre standard mould, prepared with 5 layers and compacted for 27 blowers/layer, determine the laboratory compaction effort (kJ/m?). (Assume accleration due to a gravity is 9.81 m/s?) Q3 If the blows of laboratory compaction increase to 50 blows/layer and the specimen diameter is 100 mm and 200 mm height, determine the compaction layer of the specimens. Based on your result, give your comment on the adequacy of compaction layer.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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