Soil please do both questions. GivenA vane field test was performed in a layer of soft clay. The vane tester had a diameterof 4.50 inches and height of 8.40 inches. The torque required to shear the clay was209 in lb. Laboratory tests indicate that the clayey soil has a liquid limit of 50% andplastic limit of 10%.RequiredDetermine the clay's cohesion in lb/ft2, to the nearest 10th.Your Answer: GivenA standard penetration test (SPT) was performed at a depth of 3.75 m below theground surface in a silty sandy soil. Geotechnical tests show the unit weight to of thesoil to be 20.72 kN/m³. The blow counts recorded using a 24 in. sampler were13/19/26/16.RequiredDetermine the corrected N-value using the N' method, to the nearest whole number.Your Answer:

Given: Vane tester diameterd=4.50 in Vane tester heighth=8.40 in Torque required to shear the…

Given A vane field test was performed in a layer of soft clay. The vane tester had a diameter of 4.50 inches and height of 8.40 inches. The torque required to shear the clay was 209 in lb. Laboratory tests indicate that the clayey soil has a liquid limit of 50% and plastic limit of 10%. Required Determine the clay's cohesion in lb/ft², to the nearest 10th.

Given A vane field test was performed in a layer of soft clay. The vane tester had a diameter of 4.50 inches and height of 8.40 inches. The torque required to shear the clay was 209 in lb. Laboratory tests indicate that the clayey soil has a liquid limit of 50% and plastic limit of 10%. Required Determine the clay's cohesion in lb/ft², to the nearest 10th.

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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Given A standard penetration test (SPT) was performed at a depth of 3.75 m below the ground surface in a silty sandy soil. Geotechnical tests show the unit weight to of the soil to be 20.72 kN/m³. The blow counts recorded using a 24 in. sampler were 13/19/26/16. Required Determine the corrected N-value using the N' method, to the nearest whole number. Answer:
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sand deposit has been identified beneath a site located adjacent to a river. The sand deposit is 15 feet thick and the top of the layer is 12 feet below the ground surface and overlain by a very stiff clay and is underlain by bedrock. The water level has been measured to be at a depth of 10 feet. The standard penetration resistance of the layer has been determined to be 12 blows per foot and a standard sampler was used; a drill rig with a safety hammer with an efficiency of 60% was used. The length of the drill rod is 10 meters and the borehole diameter is 5 inches (127 mm). The design earthquake has been designated as a moment magnitude 6-3/4 event on a nearby fault and the maximum ground acceleration is expected to be 0.40 g. The wet unit weight of the clay soils is 150 pounds per cubic foot and the wet unit weight of the sand soils is 180 pounds per cubic foot. The sands have 35% fines content according to a grain size analysis. Compute the factor of safety against liquefaction of…
A sand deposit has been identified beneath a site located adjacent to a river. The sand deposit is 15 feet thick and the top of the layer is 12 feet below the ground surface and overlain by a very stiff clay and is underlain by bedrock. The water level has been measured to be at a depth of 10 feet. The standard penetration resistance of the layer has been determined to be 12 blows per foot and a standard sampler was used; a drill rig with a safety hammer with an efficiency of 60% was used. The length of the drill rod is 10 meters and the borehole diameter is 5 inches (127 mm). The design earthquake has been designated as a moment magnitude 6-3/4 event on a nearby fault and the maximum ground acceleration is expected to be 0.40 g. The wet unit weight of the clay soils is 150 pounds per cubic foot and the wet unit weight of the sand soils is 180 pounds per cubic foot. The sands have 35% fines content according to a grain size analysis. Determine the cyclic resistance ratio, CRR. Use this…
A sand deposit has been identified beneath a site located adjacent to a river. The sand deposit is 15 feet thick and the top of the layer is 12 feet below the ground surface and overlain by a very stiff clay and is underlain by bedrock. The water level has been measured to be at a depth of 10 feet. The standard penetration resistance of the layer has been determined to be 12 blows per foot and a standard sampler was used; a drill rig with a safety hammer with an efficiency of 60% was used. The length of the drill rod is 10 meters and the borehole diameter is 5 inches (127 mm). The design earthquake has been designated as a moment magnitude 6-3/4 event on a nearby fault and the maximum ground acceleration is expected to be 0.40 g. The wet unit weight of the clay soils is 150 pounds per cubic foot and the wet unit weight of the sand soils is 180 pounds per cubic foot. The sands have 35% fines content according to a grain size analysis. Determine the magnitude scaling factor, MSF. Express…
A sand deposit has been identified beneath a site located adjacent to a river. The sand deposit is 15 feet thick and the top of the layer is 12 feet below the ground surface and overlain by a very stiff clay and is undertain by bedrock. The water level has been measured to be at a depth of 10 feet. The standard penetration resistance of the layer has been determined to be 12 blows per foot and a standard sampler was used; a drill rig with a safety hammer with an efficiency of 60% was used. The length of the drill rod is 10 meters and the borehole diameter is 5 inches (127 mm). The design earthquake has been designated as a moment magnitude 6-3/4 event on a nearby fault and the maximum ground acceleration is expected to be 0.40 g. The wet unit weight of the clay soils is 150 pounds per cubic foot and the wet unit weight of the sand soils is 180 pounds per cubic foot. The sands have 35% fines content according to a grain size analysis. Determine the cyclic stress ratio, CSR. Express your…
Q18 Please provide justified answer asap
Date: 12/20/20 1. The site investigation results below are for a site with sand and gravel above 18 ft and a clayey sand soil below. The upper sand and gravel layer has an average wet unit weight of 105 pcf and the clayey sand has an average unit weight of 112 pef. The standard penetration test was conducted using a safety hammer and a 2.5 in. diameter standard sampler with the results provided in the following table. Note any assumptions. Depth Blows/6 in. Notes ft 0-6 6-12 12-18 2.5-4 8 7.5-9 12 12 15 15-16.5 18 18 20 21 21 19 Water table at 18 17-18.5 25-26.5 35-36.5 40 25 25 25 30 30 35 100 Refusal Estimate the frietion angle indicated for a foundation located 5 ft below grade. a.
A 6 in diameter exploratory boring has been drilled through a fine sand to a depth of 19 ft. An SPT N-value of 23 was obtained at this depth using a USA safety hammer with a stan-dard sampler. The boring then continued to greater depths, eventually encountering the groundwater table at a depth of 35 ft. The unit weight of the sand is unknown. ComputeN1,60, f′, and Dr at the test location, and use this data to classify the consistency of thesand.
A sand deposit has been identified beneath a site located adjacent to a river. The sand deposit is 30 feet thick and the top of the layer is 24 feet below the ground surface and overlain by a very stiff clay and is underlain by bedrock. The water level has been measured to be at a depth of 30 feet. The standard penetration resistance of the layer has been determined to be 20 blows per foot and a sampler without liners was used; a drill rig with a safety hammer with an efficiency of 60% was used. The length of the drill rod is 5 meters and the borehole diameter is 7.87 inches (200 mm). The design earthquake has been designated as a moment magnitude 7.5 event on a nearby fault and the maximum ground acceleration is expected to be 0.60 g. The wet unit weight of the clay soils is 200 pounds per cubic foot and the wet unit weight of the sand soils is 250 pounds per cubic foot. The sands have 45% fines content according to a grain size analysis. Determine the cyclic stress ratio, CSR.…
Q11 Please provide justified answer asap to get a upvote
A standard penetration test (SPT) is performed in a site at a depth of 8.0 m in sand of total unit weight 19.6kN/m3 and the following blow-count data was obtained in increments of 6 inches: 10, 10, 5. What is the N-value corrected for overburden effect to be reported on the bore log at this depth where SPT was performed?