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2. A long retaining wall is braced by wood shores set at ang angle of 30° and supported by concrete thrust blocks as shown. The shores are evenly spaced, 3m apart. For analysis purposes, the wall and shores are idealized on the second image. Note that the base of the wall and both ends of the shores are assumed to be pinned. The pressure of the soil against the wall I assumed to be triangularly distributed, and the resultant force acting on a 3-meter length of the wall is F= 190kN. If each shore has a 150mmx150mm square cross section, what is the compressive stress in the shores? Soil Retaining wall Soil Concrete Shore thrust block B 30 1,5 m E4.0 m

2. A long retaining wall is braced by wood shores set at ang angle of 30° and supported by concrete thrust blocks as shown. The shores are evenly spaced, 3m apart. For analysis purposes, the wall and shores are idealized on the second image. Note that the base of the wall and both ends of the shores are assumed to be pinned. The pressure of the soil against the wall I assumed to be triangularly distributed, and the resultant force acting on a 3-meter length of the wall is F= 190kN. If each shore has a 150mmx150mm square cross section, what is the compressive stress in the shores? Soil Retaining wall Soil Concrete Shore thrust block B 30 1,5 m E4.0 m

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Topic: Mechanics of Deformable Bodies

 

PROBLEMS: 1. The bolt connection shows 8-22mm diameter bolts in a bolt hole diameter of 25 mm and spaced according to the following: Sı = 40mm T = 16mm S2 = 80mm S3 = 50mm S4 = 100mm te = 12mm Determine the force T if the allowable tensile stress is 200 MPa, the allowable bolt shear stress is 120MPa and the allowable plate bearing stress is 120 MPa. 2. A long retaining wall is braced by wood shores set at ang angle of 30° and supported by concrete thrust blocks as shown. The shores are evenly spaced, 3m apart. For analysis purposes, the wall and shores are idealized on the second image. Note that the base of the wall and both ends of the shores are assumed to be pinned. The pressure of the soil against the wall I assumed to be triangularly distributed, and the resultant force acting on a 3-meter length of the wall is F= 190KN. If each shore has a 150mmx150mm square cross section, what is the compressive stress in the shores? Retaining wall Soil Concrete Shore thrust block 30 30 1,5 m 0.5 m F4.0 m
Transcribed Image Text:PROBLEMS: 1. The bolt connection shows 8-22mm diameter bolts in a bolt hole diameter of 25 mm and spaced according to the following: Sı = 40mm T = 16mm S2 = 80mm S3 = 50mm S4 = 100mm te = 12mm Determine the force T if the allowable tensile stress is 200 MPa, the allowable bolt shear stress is 120MPa and the allowable plate bearing stress is 120 MPa. 2. A long retaining wall is braced by wood shores set at ang angle of 30° and supported by concrete thrust blocks as shown. The shores are evenly spaced, 3m apart. For analysis purposes, the wall and shores are idealized on the second image. Note that the base of the wall and both ends of the shores are assumed to be pinned. The pressure of the soil against the wall I assumed to be triangularly distributed, and the resultant force acting on a 3-meter length of the wall is F= 190KN. If each shore has a 150mmx150mm square cross section, what is the compressive stress in the shores? Retaining wall Soil Concrete Shore thrust block 30 30 1,5 m 0.5 m F4.0 m
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