Traffic And Highway Engineering
5th Edition
ISBN: 9781133605157
Author: Garber, Nicholas J., Hoel, Lester A.
Publisher: Cengage Learning,
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Chapter 21, Problem 11P
To determine
The age at which the PCR reaches the value of
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Two W14x38 tension members are connected with a splice connection using plates attached atthe top and the bottom flanges. The design axial load Pu is 320 kips. The bolts are made of A325X, and thebolt diameter is ½ inch. (Slip-Critical connection)( LRFD units)
A tension member made of L4x4x1/2 is connected to gusset plate with welds. Using E70electrode and ½ inch weld size, design the balanced weld lengths.( Use AISC manual, LRFD units)
=
A steel pile (H-section; HP 310 x 125; and so A, 15.9 x 10-3 m² ) is driven into a layer of sandstone. The length of the pile is 25 m. Following are the properties of the sandstone: unconfined compression
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qu(design)
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- Си A concrete pile 20 m long having a cross section of 0.25 m x 0.25 m is fully embedded in a saturated clay layer. For the clay, given: Ysat = 18 kN/m³, = 0, and c₁ = 80 kN/m². Determine the allowable load that the pile can carry (FS-3). Use the A method to estimate the skin resistance. For L = 20 m, A = 0.173. (Enter your answer to three significant figures.) Qall kNarrow_forwardA concrete pile 65 ft long having a cross section of 15 in. × 15 in. is fully embedded in a saturated clay layer for which Ysat = can carry. (Let FS = 3.) Use the a method equation QsfpAL = ac₂pAL and the following table to estimate the skin friction and Vesic's method for point load estimation. Си α Pa ≤ 0.1 1.00 0.2 0.3 0.92 0.82 0.4 0.74 0.6 0.62 0.8 0.54 1.0 0.48 1.2 0.42 1.4 0.40 1.6 0.38 1.8 0.36 2.0 0.35 2.4 0.34 2.8 0.34 Note: atmospheric pressure pa ≈ 100 kN/m² or 2000 lb/ft². (Enter your answer to three significant figures.) Qall = kip 121 lb/ft³, = 0, and Cu = 1600 lb/ft². Determine the allowable load that the pilearrow_forwardA tension member made of L4x4x1/2 is connected to gusset plate with welds. Using E70electrode and ½ inch weld size, design the balanced weld lengths.( Use AISC manual, LRFD units)arrow_forward
- 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)arrow_forward21:52 | 2.3Kb.s ← CamScanner ۲۰۲۵-۰۴... هوا 8:05: ان 4.5G 443% به نام خدا تمرینات درس مکانیک سیالات سری دوم - حامد سرکرده 0.3m A 0.3m 0.6m روغن B $ 09 آب lm P=13.74kpa gage PA هوا 4.6m سال 0.3m 50mm 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 CamScannerarrow_forwardh EL = 50 EL = 30arrow_forward
- h EL = 50 EL = 30arrow_forwardCalculate the instantaneous deflections and the long term-term deflections after 15 years for the flat roofbeam shown below (simply supported). Use fy = 60,000 psi, fc′ = 4000 psi, and assume that the uniformdead load value shown does not include beam weight, and that none of the concentrated live loads aresustained. The concrete weight is 135 pcf. Investigate the deflection acceptability of the beam accordingto the ACI Code.arrow_forwarda) Determine the global stiffness matrix of the beam shown in Figure below. Assume supports at 1 and 3 are rollers and the support at 2 is a pinned support. Indicate the degrees-of freedom in all the stiffness matrices. EI is constant. Use the values of w and L1 as 50 kN/m and 1.75m, respectively. Note, L2=3L1. b) Determine the rotations at all the nodes of the beam and reactions at the supports. Show all calculations. c) Draw the BMD of the beam on the compression side showing the salient values. What are the maximum bending moments of the beam? Draw the deflected shape of the beam.arrow_forward
- 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
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