6: Rapid impact compaction is used in the project below. Read the details, then1. investigate whether rapid impact compaction was a good selection.2. check if the proposed depth of improvement is achievable with rapid impact compaction.3. show if the applied energy per each drop point or primary pass was sufficient to densify thegeomaterial.Case history- Housing Project established in 2013LocationDubai, UAEGeomaterial (0-6 meters)Depth of groundwater table 1.5 mDepth of improvement4 mCompaction patternPrimary 6*6 m and secondary each 3 m.3/9 tons1.15 mNumber of passesHammer weightAverage height of dropAverage Number of blowsby one pass at each droplocation• Medium dense silty sand.●SPT N value (11-16). In some areas of the project site, a loose to very loosefine to medium-grained sand layer is encountered atthe depth ranging from approximately 1.0 m to 4.5 mbelow the ground level with SPT N value (4-6).18مطاعAE = Nd HdAe

1.rapid impact compaction is not a good selection because it is not an accurate on and it is not…

geomaterial. Case history- Housing Project established in 2013 Location Dubai, UAE Geomaterial (0-6 meters) Depth of groundwater table Depth of improvement Compaction pattern Number of passes Hammer weight Average height of drop Average Number of blows by one pass at each drop location • Medium dense silty sand. SPT N value (11-16) ● In some areas of the project site, a loose to very loose fine to medium-grained sand layer is encountered at the depth ranging from approximately 1.0 m to 4.5 m below the ground level with SPT N value (4-6). 18 ● 1.5 m 4 m Primary 6*6 m and secondary each 3 m. 3/ 9 tons 1.15 m مطاع

geomaterial. Case history- Housing Project established in 2013 Location Dubai, UAE Geomaterial (0-6 meters) Depth of groundwater table Depth of improvement Compaction pattern Number of passes Hammer weight Average height of drop Average Number of blows by one pass at each drop location • Medium dense silty sand. SPT N value (11-16) ● In some areas of the project site, a loose to very loose fine to medium-grained sand layer is encountered at the depth ranging from approximately 1.0 m to 4.5 m below the ground level with SPT N value (4-6). 18 ● 1.5 m 4 m Primary 6*6 m and secondary each 3 m. 3/ 9 tons 1.15 m مطاع

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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2) Upon completion of the excavation, backfilling and compaction works for the proposed road described in problem 1, the gravel bedding and concreting works are to start. Figures below show the detail for the road section. ROAD SECTION -5. 0m- -5.0m- 25cm 25cm CONCRETE ROAD (4500 psi @ 28 DAYS) ON 100mm THK COMPACTED GRAVEL BED *** Note: 4500 psi @ 28 days concrete ratio will be taken to be 1:1.75:1.70 + an admixture for strength. (1 cubic meter of concrete for this mix = 13 bags of 40 kg cement, 0.606m3 of crushed sand, 0.588m3 of 3/4" gravel, and an admixture of 2 sachets per bag of 40 kgs cement) *** Gravel bed will be 100mm thick and shal1 be applied with a 33% increase in volume to consider the effect of compaction. G-1 gravel shall be used. 2.a) Determine the quantity for Concrete (m³) 2.b) Determine the required quantity of cement bags 2.c) Determine the required quantity of crushed sand (m³) 2.d) Determine the required quantity of 3/4" gravel (m³) 2.e) Determine the required…
SITUATION 3: The following are data's taken from sieve analysis of three soil samples. Classify the soils by AASHTO classification system. Sol Sample Dia. (mm) 4.76 Percent 100 100 100 finer than No. 4 sieve Percent 92 77 98 finer than No. 10 sieve Percent 0.42 53 51 84 finer than No. 40 sieve Percent 0.074 17 33 finer than No. 200 sieve Liquid 36 46 47 limit Plastic imit 20 28 24 14. What is the classification of soil A? b. A-2-6(0) d. A-2-7(2) a. A-2-6(5) c. A-1-a(0) 15. What is the classification of soil B? a. A-2-7(1) c. A-2-6(4) b. A-2-5(1) d. A-2-4(3) 16. What is the classification of soil C? b. A-5(8) d. A-7-6(12) a. A-4(6) A-7-5(10) 2.
2) Upon completion of the excavation, backfilling and compaction works for the proposed road described in problem 1, the gravel bedding and concreting works are to start. Figures below show the detail for the road section. ROAD SECTION -5. 0m- 5.0m 25cm 25cm CONCRETE ROAD (4500 psi @ 28 DAYS) ON 100mm THK COMPACTED GRAVEL BED ... Note: 4500 psi @ 28 days concrete ratio will be taken to be 1:1.75:1.70 + an admixture for strength. (1 cubic meter of concrete for this mix = 13 bags of 40 kg cement, 0.606m3 of crushed sand, 0.588m3 of 3/4" gravel, and an admixture of 2 sachets per bag of 40 kgs cement) *** Gravel bed will be 100mm thick and shall be applied with a 33% increase in volume to consider the effect of compaction. G-1 gravel shall be used. 2.d) Determine the required quantity of 3/4" gravel (m³) 2.e) Determine the required quantity of admixture sachets 2.f) Determine the quantity for G-1 Gravel Bed (m³)
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up to 120221 (Compatibility Mode] - Word References Mailings Review View Help Nitro Pro V Tell me what you want to do A A Aa E E-E EE T T 2 T AaBbCcl AaBbCcI AABBCCI A A、ッ、A 前,, Emphasis T Heading 1 I Normal Paragraph Styles 1. Q. The following results were obtained from a CBR test on a compacted subgrade soil. Calculate the CBR value for the soil. Do you recommend to use it as subbase? Illustrate your answer? Penetration (mm) Load (KN) 0.625 0.15 1.25 0.18 1.875 0.40 2.5 0.73 3.75 1.32 1.80 7.5 2.34 10 2.53 12.5 2.91 Standard Loads: 2.5 mm .... .13.36 KN 5.0 mm 19.96 KN tes) lenovo
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.(a)Propose the basic concept of penetration test of bitumen. Discuss the penetration value used in different areas and its limitation. .(b) Does the penetration test value has any impact on other bitumen tests values? If yes , explain