1. All the below assumptions allow for Elastic Layered Solution of flexible pavement response except (a)Loading area is circular (b)Materials are isotropic (c) Materials are homogeneous (d)Materials properties are stress dependent
Q: Question 18 A rigid pavement has a wheel load capacity of 53.96 kN. The allowable tensile stress of…
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Q: Find the safe static wheel load that a 360 mm thick rigid pavement could carry without any dowel…
A: Find safe load??
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Q: A concrete pavement slab is 20 cm thick, with a modulus of elasticisty of 3x105 kg/cm2 and a…
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Q: rigid pavement is to be used to carry a wheel load of 58.77 kN. Enough dowels will be used across…
A: Load=58.77kN Stress=1.45MPa
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Q: A rigid pavement is to be used to carry a wheel load of 57.62 kN. Enough dowels will be used across…
A: Load=57.62kN Stress=1.32MPa
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Q: The thickness of a concrete pavement slab is 20 cm and has modulus of elasticity and Poisson's ratio…
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Q: Mechanistic design procedure is based on the assumption that a pavement can be modelled as…
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Q: The thickness of a concrete pavement slab is 20 cm and has modulus of elasticisty and poisson's…
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Q: Mark the correct statement: a) The ISC steps are: Compaction, Expansion and Simple Axial…
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Q: The thickness of a concrete pavement slab is 20 cm and has modulus of elasticisty and poisson's…
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Q: A concrete pavement is constructed at a temperature of 10°C. The peak summer temperature is 30°C.…
A: Given:- Width of expansion joint gap= 2.5 cm Temperature during laying the pavement= 10°C Maximum…
Q: rigid pavement is to be used to carry a wheel load of 51.13 kN. Enough dowels will be used across…
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Q: A rigid pavement has a wheel load capacity of 53.96 kN. The allowable tensile stress of concrete is…
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Q: Q4: State whether the following statements are true or false: 1. Rigid pavement is a layered system…
A: Given statements about rigid and flexible pavement properties:
Q: The thickness of a concrete pavement slab is 20 cm. It has a modulus of elasticity and Poisson's…
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- Find the safe static wheel load that a 360 mm thick rigid pavement could carry without any dowel across the joints if the allowable tensile stress of concrete is 1.5 MPa.A concrete pavement is constructed at a temperature of 10°C. The peak summer temperature is 30°C. The coefficient of temperature is 10 x 10^- 6/°C. The gap at the expansion joint is 2.5 cm. The spacing of expansion joint is what.What is the area of steel required per meter length of longitudinal joint in a rigid pavement of thickness 24 cm with two lanes of total width of 7 m? Allowable working stress in steel in tension = 1400 kg/cm² Unit weight of concrete = 2400 kg/m³ Coefficient of friction 1.5
- A 12 mm bars is used as the longitudinal bars of a concrete pavement and it is spaced at 600 mm on centers. The width of roadway is 9 meters and the coefficient of friction of the slab on the subgrade is 2.0. Thickness of slab is 150 mm. If the allowable bond stress is 0.83 MPa, determine the length of longitudinal bars.Determine the thickness of a rigid pavement with a wheel load capacity of 54 kN, if the allowable tensile stress of the concrete is 1.6 MPa. Neglect the effect of dowels.A pavement element along Thika road of 100x150x200 mm was subjected to an equalall round pressure of 120kn/m2 and axial load of 2.5KN in the X-direction. The changesin length are 0.92mm in X-direction, 0.27mm in the Y-direction and 0.18mm in the Z direction. Calculate thei. Elastic theory ratio, Eii. Poisson’s ratio,iii. Bulk Modulus, K
- A rigid pavement is to be used to carry a wheel load of 58.77 kN. Enough dowels will be used across the joint. The allowable tensile strength of concrete is 1.45 MPa. Thus, what will be the difference in thickness (in mm) between the edge and the center of the pavement?2. A uniform concrete slab is to be attached to two rods whose lowers ends are initially at the same level. What is the required area, in mm?, of aluminum rod so that slab will remain level after it is attached to the rods? Wi4 m Aluminum E = 72 GPa Steel A= 8V mm 2 E = 200 GPa WI4 m -Y/40 m- Y/200 m1. Figure (1) shows a pavement structure composed of three layers with their details. If the HMA and the base layers are combined into one layer with the same total thickness (HMA+base layers), what should be the equivalent elastic of the combined layer modulus so the tensile strain at the bottom of the the HMA= 0.0006 in. 30000 Ib 150 psi E, = ? 6 in HMA layer Ej = 400,000 psi V;=0.4 Granular base E = 20,000 psi V=0.4 20 in layer Subgrade layer E3 = 10,000 psi Vz=0.4 %3D
- Mark the correct statement: a) The ISC steps are: Compaction, Expansion and Simple Axial Compression b) The MR Resilience Module measures the variation in stress with permanent deformation, there is no rupture in the test c) The MR Resilience Module can be performed in a triaxial cell and dynamic loading that best represents the pavementA concrete pavement is subject to a temperature change of AT = 70°F; a coefficient of thermal expansion a = 5.5 ×10 in./in./°F; a concrete shrinkage ɛ = 200 x106; and a granular base with C = 0.8. Determine the joint spacing for an undoweled and a doweled joint having an allowable joint opening of 0.06 and 0.02 in., respectively.. Design the thickness at the edge and at the center of rigid pavement of the proposed ABCD Road to carry a wheel load of 7500 kg. Allowable tensile stress of concrete is 0.065f'. Assume f'c = 20 MPa.