Traffic And Highway Engineering
5th Edition
ISBN: 9781133605157
Author: Garber, Nicholas J., Hoel, Lester A.
Publisher: Cengage Learning,
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Chapter 4, Problem 13P
To determine
The minimum number of stations for which the engineer should obtain 24-hr volume counts.
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Using the ultimate strength method, determine the maximum load, Pu, that the welded connectioncan carry. Weld size is ½ inch. The structural members are made of grade 50 steel. (Use AISC manual, LRFD units)
21:52 | 2.3Kb.s
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هوا
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تمرینات درس مکانیک سیالات سری دوم - حامد سرکرده
0.3m
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0.3m
0.6m
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B
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P=13.74kpa gage
PA
هوا
4.6m
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0.3m
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Pc 13.72kpa gage
EL = 50
EL = 30
۱ در شکل رو به رو فشار در نقاط A, B, C,D بر حسب
پاسکال چقدر است؟
فشار P چقدر است چگالی روغن ۰/۸ میباشد
در داخل مخزن استوانه ای رو به رو که محتوی نفت به
چگالی ۰/۸ میباشد مخزن استوانه ای آبی قرار گرفته
است. مقدار P فشار نسبی در فشارسنج (A) و ارتفاع
h چقدر است.
۴- لوله های A و B که حاوی آب در فشارهای ۲/۷۶ و
۱/۳۸ بار به ترتیب هستند اختلاف ارتفاع جیوه در
مانومتر نشان داده شده در شکل چقدر است؟ چگالی
جیوه ۱۳/۵۷ در نظر گرفته شود.
Scanned with CamScanner
h
EL = 50
EL = 30
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Traffic And Highway Engineering
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- 20 ft 8 #8 in 2-layers 18 in 30 inarrow_forwarda) Calculate the BMs (bending moments) at all the joints of the beam shown in Figure below using the moment distribution method. The beam is subjected to an UDL of w kN/m. L1= 0.4L. Assume the support at C is pinned, and A and B are roller supports. E = 200 GPa, I = 250x10^6 mm4. Use the values of w and L as 50kN/m and 5m respectively. b) Draw the shear force and bending diagrams for the entire beam. c) Calculate the BMs at all the joints of the same beam shown in Figure using the slope deflection method. d) Compare the values of BMs obtained using the two methods a) and c) and comment.arrow_forwardThe interior floor beam shown below at 3-year service life according to the ACI Code, supports partitions,etc. Maximum service load moments are 38 kip-ft dead load and 29 kip-ft live load. Assume that 50% ofthe live load is sustained. Use fc′ = 5000 psi, fy = 75,000 psi.a. Determine if the minimum deflection criteria from ACI is satisfied.b. Find the effective moment of inertia.c. Find the maximum instantaneous and long-term defecations.d. Check if the deflections are within ACI allowable limitsarrow_forward
- a) For the truss shown in the figure below, determine the stiffness matrices of elements 2, 3 and 4 in the in the global co-ordinate system. Assume for each member A = 0.0015 m2 and E = 200 GPa. Indicate the degrees-of freedom in all the stiffness matrices. b) Determine the stiffness matrix of the whole truss in the global co-ordinate system. Clearly indicate the degrees-of freedom numbers in the stiffness matrix. c) Calculate all the nodal displacements and all the member forces of the truss.arrow_forwarda) Draw a 2D element and show the dofs (degrees of freedom). Draw all the 2D elements used in Strand7. Explain the differences between these elements in terms of the no. of nodes and interpolation/shape functions used. b) A 8 m x 8 m plate (in the xy plane) with 8 mm thickness, is fixed at all the edges and is loaded by a pressure loading of 4 kN/m2 in the downward (-z) direction. The plate is made of steel (E = 200 GPa, density = 7850 kg/m3). Explain the steps involved in setting up a Strand7 model for this problem. Your explanation should include how the given input data for this problem will be used in Strand7 modelling. Explain how you would determine the maximum deflection from the Strand7 output.arrow_forwardFor the truss shown in Fig 2, determine the nodal displacement and member forces using the stifness method for all elements of the truss. Assume for each member A = 0.0015 m2 and E = 200 GPaarrow_forward
- 5. Two 400 g blocks are connected by a rigid rod. The Blocks can rotate freely at the ends of the rod, so the rod does not apply any moments to the blocks. The blocks are in contact with the wall and floor, and can slide without friction. The system is released from rest when X=24cm and Y=18cm. Ignore the mass of the rod. What are the initial accelerations of Block A and Block B just after being released? Hint: See Assignment 4, Problem 2 for help getting a relationship between the acceleration of Block A and the acceleration of Block B. Y m = 400 g A | L g I 1 I I X B m = 400 garrow_forwardThe momentum of the force F = -100 i -70 j + 50 k around the point O is MO = 410 i- 300 j + 400 k, Determine the coordinates of the point through which the line of actionof F intercepts the yz plane.arrow_forwardAverage sludge production reported by members of the National Association of Clean Water Agencies is 0.7 tons of sludge TS per MG wastewater treated. Assume that the organic matter (VS) in the sludge contains 10% N and that the ratio of VS/TS in sludge is 0.85. A) How many mg/L of N are removed from the wastewater due to assimilation? B) If the raw wastewater contained 50 mg/L total N, what percent was removed via assimilation? C) Why is this a disappointing result in terms of nutrient recovery and reuse goals?arrow_forward
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