Question

In: Civil Engineering

Design the flexible pavement using Group index method and California bearing ratio method using the following...

Design the flexible pavement using Group index method and California bearing ratio method using the following data and compare the pavements.

Soil portion passing 75 micron sieve = 60%

Liquid limit = 43% and plastic limit = 28%

Area of the plunger = 19.6 cm2

Load at 2.5 mm penetration = 45kg

Load at 5 mm penetration = 68kg

Sub-base CBR = 30%

Base course CBR = 70%

Expected traffic = 900 vehicles per day.

Solutions

Expert Solution

Charts used for GI method and CBR method are attached below.

Ally Wells answered 10 months ago
Next > < Previous

Related Solutions

Compare between Flexible Pavement Design using Asphalt Institute Methods and AASHTO Design method.
Compare between Flexible Pavement Design using Asphalt Institute Methods and AASHTO Design method.
Using the AASHTO 1993 Flexible Pavement Design Procedure, design a pavement cross section that will provide...
Using the AASHTO 1993 Flexible Pavement Design Procedure, design a pavement cross section that will provide 10 years service. The initial PSI is 4.2 and the final PSI is determined to be 2.5. The subgrade has a soil resilient modulus of 18,000 psi. Reliability is 95% with an overall standard deviation of 0.4. For design, the daily truck traffic consists of 400 passes of trucks with two single axles and 350 passes of semitrailer truck with tandem axles. The axle...
Q2. A flexible pavement is to be designed based on AASHTO method. The following are the...
Q2. A flexible pavement is to be designed based on AASHTO method. The following are the characteristics of this pavement: R = 90%, S0 = 0.40, Pi = 4.5, Pt = 2.0, SN = 3.5 and Mr (subgrade) = 15,000 psi. (a) If it was decided to use to a base course and an asphalt layer, what will be the thickness of each if you know that the sub-grade CBR = 8, base course CBR = 85, m = 1.0,...
Q2. A flexible pavement is to be designed based on AASHTO method. The following are the...
Q2. A flexible pavement is to be designed based on AASHTO method. The following are the characteristics of this pavement: R = 90%, S0 = 0.40, Pi = 4.5, Pt = 2.0, SN = 3.5 and Mr (subgrade) = 15,000 psi. (a) If it was decided to use to a base course and an asphalt layer, what will be the thickness of each if you know that the sub-grade CBR = 8, base course CBR = 85, m = 1.0,...
Design of Rigid pavement for new construction - USING AASHTO METHOD
Design of Rigid pavement for new construction - USING AASHTO METHOD
A Portland Cement Concrete (rigid) pavement is to be designed using AASHTO empirical design method. The...
A Portland Cement Concrete (rigid) pavement is to be designed using AASHTO empirical design method. The pavement should have an 8" granular sub-base having elastic modulus (Esb) of 50x103 psi. The resilient modulus of the subgrade is 5000 psi, and lying just 5 feet above rock strata (bed rock). (a) Determine the design k value, assuming loss of support factor (LSF) of 2. (b) Use the k value obtained from (a) to determine the thickness of the rigid pavement.   Assume...
You have to a design a flexible highway pavement with soaked CBR value of soil subgrade...
You have to a design a flexible highway pavement with soaked CBR value of soil subgrade equal to 4%. Draw a typical cross-section of the pavement as considered currently worldwide.  
Using the following data for an unreinforced PCC Pavement slab: ■ Design strength f′ c =...
Using the following data for an unreinforced PCC Pavement slab: ■ Design strength f′ c = 28 MPa ■ Slab thickness = 300 mm ■ Standard deviation of f′ c obtained from 20 samples = 1.4 MPa ■ Ignore any exposure requirement ■ Use air-entrained concrete ■ Fineness modulus of fine aggregate = 2.60 ■ Maximum aggregate size = 50 mm and nominal maximum aggregate size = 37.5 mm ■ Bulk oven-dry specific gravity of coarse aggregate = 2.6 ■...
Design the concrete mix according to the following conditions: Design Environment Pavement slab, Bozeman, Montana (cold...
Design the concrete mix according to the following conditions: Design Environment Pavement slab, Bozeman, Montana (cold climate) Required design strength = 3000 psi Slab thickness = 12 in Statistical data indicate a standard deviation of compressive strength of 250 psi is expected (more than 30 samples) Only air entrainer is allowed. Available materials Air entrainer: Manufacture specification is 0.15 fl oz/1% air/100lb cement Coarse aggregate: 2in. nominal maximum size, crushed stone Bulk oven dry specific gravity = 2.573, absorption =...
Design a circuit using Op amp that will combine four voltages according to the following ratio....
Design a circuit using Op amp that will combine four voltages according to the following ratio. You can only use invertor amplifier . All input voltages are positive and you cannot tamper with the sources Vo = 4V1 - V2 - 8V3 - 2V4
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT