15.1 Refer to the braced cut shown in Figure P15.1. Given: y = 17 kN/m³, ' = 35°, and c' = 0. The struts are located at 3 m center-to-center in the plan. Draw the earth-pressure envelope and determine the strut loads at levels A, B, and C. -3.5 m- 2m 2m 1.5m Sand y = 17 kN/m² 6'= 35° c'=0

Q: 60 kN 10 kN/m 60 kN 4 m 3 m 5 m 5 m 3 m Analyze the above symmetrical structure under the given…

A: Now, tanθ=PB= 34sin θ = PH=35cosθ=BH=45

Q: 4.5 m A Sand y = 16 kN/m 4'= 38° c' = 0 2.5 m B 3 m 1.5 m Figure P10.1

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Q: The rectangular cross-section is 500 mm wide and 900 mm deep. Calculate the maximum shear stress in…

A: Find reactions:∑ MA=0RB3-21.50.8-15.82.1=0RB=16.8kN∑ Fy=0 R+RB-21.5-15.8=0  RA=20.5kN Max shear…

Q: 41. Determine the collapse load factor a for the propped cantilever = beam ABCD shown in Figure…

A: Given data:- Minimum plastic moment capacity, Mp=80 kN-m E,I and A are constants Below diagram is…

Q: a. Draw free body diagram b. Determine support reactions c. Determine stress in the cables d.…

A: In the problem, first the FBD diagram has to be drawn following which the support reactions will be…

Q: Redo Problem 15.7 assuming that c = 60 kN/m2.

A: Earth pressure envelope   for clay

Q: A braced cut shown in the figure has struts A, B, C, D, and E spaced 3m on center. The dry unit…

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Q: Compute the following given a built-up I-section with dimensions of bf = 350 mm, tf = 120 mm, hw =…

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Q: 2. Design a one-way slab having a continuous span of 3.: The slab is to carry a uniform live load of…

A: Uniform live load = 7150 Pa  Unit weight of concrete= 23.5 KN/m3

Q: 3. Consider a 3 m high (H) retaining wall with a vertical back (0 = 0") and a horizontal 10 granular…

A: Step 1: ConceptThe pressure exerted by the material retained by the retaining wall is termed earth…

Q: H.W5: A cast-iron channel supported at two points, 11 m apart, carries water as shown in figure…

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Q: Location of the total earth thrust from the base of wall (in meter) ya = f. Minimum width B (in…

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Q: A braced cut shown in the figure has struts A, B, C, and D spaced 3m on center. The dry unit weight…

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Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.