Bundle: Sustainable Energy, 2nd + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
2nd Edition
ISBN: 9781337896535
Author: Richard A. Dunlap
Publisher: Cengage Learning
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Chapter 4, Problem 16P
To determine
Compare the adiabatic lapse rate (ALR) for the troposphere obtained from Figures 4.7 and 4.8 with the value in the text.
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س 1:
سم
،
خمن كمية الأعمال الترابية اللازمة لتنفيذ جزء من القناة وفقًا للبيانات التالية: عرض القناة = 3م المنحدر الجانبي في الحفر = 1:1
وفي الدفن = 1:1.5 عرض الضفة = 2 م من الجانبين عمق الاملاء الكامل ) full supply depth)= 80
السافة العمودية بين
اعلى مستوى للمياه واعلى نقطة في الضفة الجانبية ( free board) = 40 سم، ميل القاعدة = 1:5000 مستوى قاعدة القناة المقترح
R.D. (m)
1000
2000
3000
4000
G.L. (m)
210.8
210.4
208.8
208.4
FSD
210= (P.B.L)
BANK OF
CHANNEL
A 8.5 meter simply supported reinforced concrete beam on
parallel rectangular column, where the column width is 300 mm is shown in Figure carries a
uniformly distributed variable action of 10 kN/m and permanent action of 9 kN/m (including
self-weight of beam). The clear cover of beam for class XC-1 is 25 mm, diameter of main and
shear reinforcement are 20 mm and 8 mm respectively. The characteristic material strengths
are fck = 30 N/mm² and fyk = 500 N/mm². Apply variable Strut Inclination Method to design
the shear reinforcement (links) for the beam.
h = 370 mm
마
*b
= 230 mm
Section A-A
Q2- For the retaining wall shown in the figure, calculate the magnitude and resultant, of active thrust and
calculate only the magnitude of passive thrust.
q = 10kN/m²
不
2 m
y-18 kN/m³
0=35°
C=0
*
2 m
y=18 kN/m³
0=20°
6 m
C=15 kN/m²
y=18 kN/m³
0-20°
C=15 kN/m²
2
Chapter 4 Solutions
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- أ. ما هي شروط حديد التسليح المستخدم في موقع العمل بشكل عام وكيف يجب ان يكون ؟ ب. كم حلقة تحتاج لاساس شريطي طوله 40 مترا اذا كان مكتوب في المخطط ( mm 300 @ 010) ؟ B - لمقطع الأساس الشريطي ادناه، احسب كمية الحديد الطولي السفلي والمواد الانشائية المطلوبة ) سمنت ، رمل ، حصى ( لكل 30 متر طول منه ونسب الخلط 1:3:5 اذا كان حديد التسليح المتوفر طول 9 متر . (15) درجة ) 3014 $10@200mm 4016 800mm A 400mm جدول اوزان حديد اتسليح قطر الشيش (mm) كتلة الشيش (kg/m) 0.222 6 0.395 8 0.617 10 0.888 12 1.21 14 1.58 16 2 18 2.47 20 3.86 25arrow_forwardA4.2- Develop the column interaction diagram for a tied short column, shown in Figure 2. Given: f'c = 35 MPa fy = 400 MPa Longitudinal bars: 8-35M Ties: 10M@ 300 Clear cover to the ties: 40mm T 500 mm 500 mm Figure 2arrow_forwardA4.3- Design a square short column for P₁ = 1800 kN, Mfx = 250 kN.m, Mfy: f your final design p has to be between 0.01 and 0.02. = 50 kN.m. In Given: f'c = 25 MPa fy = 400 MPa Longitudinal bars: Use 25M Ties: 10M@ 300 Clear cover to the ties: 40mmarrow_forward
- A4.1- For a concentrically loaded tied short column, with the cross-section shown in Figure 1, a) Find the axial load resistance of the column; b) Check if the spacing between the longitudinal bars is satisfying code requirements; c) Determine the required spacing between the ties, and sketch the tie arrangement as per the code. Given: f'c = 25 MPa fy = 400 MPa T 550 mm 550 mm Maximum aggregate size: 20mm Longitudinal bars: 8-25M Figure 1 Ties: 10M (ties are not shown on cross-section. The arrangement to be determined in part c) Clear cover to the ties: 40mmarrow_forwardWhen using a work breakdown structure (WBS) for a project why it is necessary to break down activities?arrow_forwardAs shown in the figure below, a 1.5 m × 1.5 m footing is carrying a 400 kN load. P Depth (m) 0.0 1.0 2.0 Df Groundwater table (Yw = 9.81 kN/m³) 3.5 Yt = 16.5 kN/m³ E = 9,000 kPa Sandy soil Ysat 17.5 kN/m³ E = 15,000 kPa 6.0 Stiff Clay (OCR = 2) Bedrock Ysat 18.0 kN/m³ eo = 0.8 Cc = 0.15, Cr = 0.02 Eu =40,000 kPa (a) Estimate the immediate settlement beneath the center of the footing. Assuming that Poisson's ratios of sand and soft clay are 0.3 and 0.5, respectively. Use numerical integration approach. For the calculations, use layers (below the bottom of the footing) of thicknesses: 1 m; 1.5 m, and 2.5 m. (b) Determine the primary consolidation settlement beneath the center of the footing. (c) Redo Part (b) if OCR=1.1. Note: Use the 2:1 method to determine the stress increase below the footing. For parts (b) and (c), use the one-dimensional consolidation theory.arrow_forward
- Consider the cross-sections illustrated in the next slides. Implement a cross-sectional analysis based on a layered discretisation of the cross- section as required at the following. 1) Develop the implementation of an analysis to estimate the nonlinear response of the composite steel-concrete section, of the reinforced concrete section and of the steel section shown in following slides (using material nonlinear models provided in the support files). Provide the details of the numerical implementation with clear explanations of all steps. Hint: the implementation can be done in Excel. 2) Discuss how the 3 cross-sections (shown in the next slides) compare to each other in terms of embodied carbon under the condition that the cross-sections possess the same nominal moment capacity (i.e. the peak moment achieved in the moment-curvature diagram). The discussion should include at least 2 sets of the sections (each set contains one composite section, one reinforced concrete section and one…arrow_forwardConsider the following static route choice problem where 110 vehicles travel from point A to point B. The corresponding travel time (in minutes) of each link is as follows: t₁ = x1; t₂ = x2 + 20; t3x3 + 10; t₁ = 3×4 where Xi denotes the number of vehicles that choose link i. Find the number of vehicles that travel on each link when a. The user equilibrium condition (UE) is satisfied, where vehicles select the route with the minimum travel time; and b. The system optimum condition (SO) is satisfied, where the total travel time is minimised. C. Report the total delay savings when satisfying SO instead of UE. 2 B A 3 4arrow_forward= α₂+ Assume an origin is connected to a destination with two routes. Assume the travel time of each route has a linear relationship with the traffic flow on the route (t₁ = α₁ + b₁x₁ ; t₂ b2x2). Determine under what condition (e.g. a relationship among the parameters of the performance functions) tolling cannot reduce the total travel time of the two routes.arrow_forward
- Beban berjalan pada konstruksi balok seperti pada gambar, tentukan besar gaya dalam yang terjadi dengan metode Garis Pengaruh. Gaya dalam berupa : Reaksi tumpuan RA dan RB, Gaya lintang max di titik C, Momen Maksimum di titik C A + Dimana: B D 10 5 m 5 m P1 = 12t P2 = 6t P3 = 18t q= 6 t/m 2 3 q = 6 t/m P1 P2 P3arrow_forwardConsider the following static route choice problem where 110 vehicles travel from point A to point B. The corresponding travel time (in minutes) of each link is as follows: t₁ = x1 ; t₂ = = x2 + 20; t3 = x3 + 10; t₁ = 3x4 where Xi denotes the number of vehicles that choose link i. Find the number of vehicles that travel on each link when a. The user equilibrium condition (UE) is satisfied, where vehicles select the route with the minimum travel time; and b. The system optimum condition (SO) is satisfied, where the total travel time is minimised. C. Report the total delay savings when satisfying SO instead of UE. 2 A B 3 4arrow_forward= Assume an origin is connected to a destination with two routes. Assume the travel time of each route has a linear relationship with the traffic flow on the route (t₁ = α₁ + b₁×₁ ; t₂ b2x2). Determine under what condition (e.g. a relationship among the parameters of the performance functions) tolling cannot reduce the total travel time of the two routes. a2+arrow_forward
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