In CBR test the value of CBR is calculated at А. 2.5 mm penetration only В. О 5.0 mm penetration only C. O 7.5 mm penetration only D. Both 2.5 mm and 5.0 mm penetrations
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- Discuss the advantages of the CPT over the standard penetration test.Compare the advantages and disadvantages of Standard Penetration Test (SPT) and Cone Penetration Test (CPT)highway engineering laboratory test CBR (California Bearing Ratio) Why, in normal, the value of CBR at the penetration of 2.54 mm is greater than the value of CBR at the penetration of 5.08 mm.
- 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…Structural Analysis Q.4, Plz, Answer.Estimate depth tension crack Zc
- 1. The following are factors considered in assigning factor of safety due to consequences of failure except a. Variation in the strength of materials purchased b. Direct cost of clearing the debris c. Replacing the structure and its contents d. None of the choices 5. Calculate the depth of neutral axis at balanced condition if the effective depth is 250 mm and fy is 415 MPa. a. 147.78 mm b. 212.50 mm c. 294.12 mm d. 223.25 mm 6. Calculate the stress at the centroid of the tension steel in single layer if the effective depth is 250 mm and the depth of neural axis is 100 mm. a. 800 MPa b. 500 MPa c. 1000 MPa d. 900 MPa 7. Calculate the strain at the centroid of the tension steel in single layer if the effective depth is 250 mm and the depth of neural axis is 100 mm. a. 0.0040 b. 0.0025 c. 0.0050 d. 0.0045A large steel sand casting shows the characteristic signs of penetration defect: a surface consisting of a mixture of sand and metal. (a) What steps can be taken to correct the defect? (b) What other possible defects might result from taking each of these steps?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…
- 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. Compute the factor of safety against liquefaction of…A pipe sizing parameter that relates to the pipe wall thicknessa. Nominal Size b. Inside Diameter c. Schedule Number d. Outside DiameterPlease help me.. The following table shows the readings from a CBR test, if the standard penetration of 2, 4, 6 and 8 mmhaving plunger loads of 11.5, 17.6, 22.2 and 26.3 kN which corresponds to 100% CBR, determine the CBRfor the tested soil. thank you