Figure2 m20 kNB1 of 1 >What is the displacement of the top of the post A with respect to its bottom B?Express your answer to three significant figures and include appropriate units.SA/BSubmitProvide FeedbackHÅValueRequest AnswerUnits? The post is made of Douglas fir and has a diameter of100 mm. (Figure 1) It is subjected to the load of 20 kNand the soil provides a frictional resistance distributedaround the post that is triangular along its sides; that is, itvaries from w= 0 kN/m at y = 0 m toW== 11 kN/m at y = 2 m. Neglect the weight of thepost.Part ADetermine the force F at its bottom needed for equilibrium.Express your answer to three significant figures and include appropriate units.F =||=HÅValueUnits?

The objective of the problem is to analyze the stability and structural integrity of a Douglas fir…

Figure 2 m 20 kN 1 of 1 What is the displacement of the top of the post A with respect to its bottom B? Express your answer to three significant figures and include appropriate units. SA/B Submit Provide Feedback ol μA Value Request Answer Units ?

Figure 2 m 20 kN 1 of 1 What is the displacement of the top of the post A with respect to its bottom B? Express your answer to three significant figures and include appropriate units. SA/B Submit Provide Feedback ol μA Value Request Answer Units ?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A 1.6-m-long cantilever beam supports a concentrated load of P = 7.2 kN. The beam is made of a rectangular timber having a width of 120 mm and a depth of 280 mm. Calculate the shear stress due to the applied load at a point located d = 131 mm below the top surface of the beam. 280 mm A B 1.6 m 120 mm O 258 kPa O 230 kPa О 303 КРa О 320 kPa О 433 КPa
The beam loaded as shown is made up of 4-250mm by 75mm timber glued together to form an inverted T-beam.Determine:a. The bending stresses 1.5 m to the left of the right support.b. The shearing stress 2 m to the right of the left end of the beam.
The beam loaded as shown is made up of 4-250mm by 75mm timber glued together to form an inverted T-beam. Determine: a. The bending stresses 1.5 m to the left of the right support. b. The shearing stress 2 m to the right of the left end of the beam.
A floor is supported by 100 mm x 200 mm wooden joists spaced at 300mm on centers with an effective span of 3m. The total floor load transmitted to the joists is 2.5kPa. If the unit weight of wood is 7 kN/m³ and elastic modulus of wood is 12x103 MPa. (a) Determine the maximum bending stress (fp). (b) Determine the maximum shearing stress (fy). (c) Determine the maximum deflection (8maximum).
Light-grade steel channel was used as a purlin of a truss. The top chord of the truss is inclined I V: 4 H and distance between trusses is equal to 6 m. The purlin has a weight of 79 N/m and spaced at 1.2 m. on centers. The dead load including the roof materials is 720 Pa, live load of 1000 Pa and wind load of 1.2 1.2 1440 Pa. Coefficient of Purlins pressure at leeward and windward are 0.6 and 0.2 respectively. Assume all loads passes through the centroid of the section. Truss Properties of C 200 x 76 mm Sx = 6.19 x 104 mm Sy = 1.38 x 104 mm W = 79 N/m 12 12 1.2 I Allowable bending stress Fbx= Fby = 207 MPa Truss %3D 6m O Calculate the bending stress, fox, for dead load and live load combination (D+ L). Calculate the bending stress, foy, for dead load and live load combination (D + L). O Calculate the maximum ratio of actual to the allowable bending stress for load combination 0.75 (D + L + W) at the windward side. fbx = 151.14 MPa fby = 169.6 MPa Interaction = 1.25
A 100 mm x 200 mm wooden beam with a clear span of 7.2 m is embedded firmly ea one end and is simply supported on the other end as shown in the figure. If the allowable stresses are respectively 13.8 MPa and 1.11 MPa for bending and shear, ODetermine the safe maximum uniform load the beam can carry. Yeight of wood is 9.9 kN/m3 Find the reaction at B. OFind the max, moment of the beam.
A simply supported wood beam of length L = 8 ft carries a concentrated load Pat midspan, as shown. The cross-sectional dimensions of the beam are b = 6 in. and h = 10 in. If the allowable shear strength of the wood is 130 psi, determine the maximum load P that may be applied at midspan. Neglect the effects of the beam's self-weight. y h х B Answer: P = i Ib Save for Later Attempts: 0 of 1 used Submit Answer
Light-grade steel channel was used as a purlin of a truss. The top chord of the truss is inclined I V : 4 H and distance between trusses is equal to 6 m. The purlin has a weight of 79 N/m and spaced at 1.2 m. on centers. The dead load including the roof materials is 720 Pa, live load of 1000 Pa and wind load of 1.2 1.2 1440 Pa. Coefficient of Purlins pressure at leeward and windward are 0.6 and 0.2 respectively. Assume all loads passes through the centroid of the section. Properties of C 200 x 76 mm Sx = 6.19 x 104 mm Sy = 1.38 x 104 mm3 W = 79 N/m 1.2 Truss 1.2 12 12 1.2 Allowable bending stress Fbr = Fby = 207 MPa Truss %3D 6m O Calculate the bending stress, fox, for dead load and live load combination (D + L). Calculate the bending stress, foy, for dead load and live load combination (D + L). O Calculate the maximum ratio of actual to the allowable bending stress for load combination 0.75 (D + L + W) at the windward side. fbx = 151.14 MPa fby = 169.6 MPa Interaction = 1.25
A flooring system consist of I-beam sections spaced at 3 m(center to center) and with simple spans of 6 m. The beams support a 200 mm thick slab. The flooring system is designed for a live load of 2400 N/m² as well as ceiling load of 750 N/m². The properties of the I-beam sections are : d = 352 mm, weight of beam = 440 N/m, moment of inertia , Ix = 0.0012 m⁴. Consider Fy = 248 MPa, E = 200000 MPa and wt. of concrete of 24 kN/m³. 1. Which of the following most nearly gives the uniform pressure acting on the slab? a. 6.2 kPa b. 7.95 kPa c. 5.2 kPa d. 6.10 kPa 2. Which of the following most nearly gives the total uniform load on the beam in kN/m? a. 19.71 kN/m b. 17.82 kN/m c. 24.29 kN/m d. 28.14 kN/m 3. Which of the following most nearly gives the initial stress on the beam due to deadload only assuming no shoring during construction? a. 12.1 MPa b. 8.91 MPa c. 10.4 MPa…
2. Analyze the given Complex Frame by Substitution 5 KN 10 KN 30 30 6 m B 30 30 -3 m Tension or Compression Member АВ Force AD AF BC BE CF CD DE EF
2. A floor system is supported by 75 mm x 200 mm wood joists 400 spaced 400mm 0.c. with the span of 3m. The total floor load trans- mitted to the joists is 5 kPa, compute the maximum bending stress and initial deflection. Use E = 12X10³ MPa, wood density = 6.30 KN Ri TRIBUTARY AREA 777777 W = KN/M 3m R2 400 400
A 6m steel wire hanging on one end has a weight of W, it supports a load of 243 kN, determine the required diameter if the elongation would not exceed 1.69 mm, Assume E = 2 GPa.