3. What is AASHTO's recommended perception reaction time (s)?
Q: Question 2 Classify each of the structures below as statically determinate, statically…
A: Given data in question Structures To find out Indeterminacy Note Ds= total static indeterminacy…
Q: Compact disc is spinning at constant angular rate: 0=345 rev/min, calculate the magnitudes of the…
A:
Q: Q- A single degree of freedom system of mass 22 kg and stiffness 17 kN/m vibrates freely. If damping…
A: Given- A single degree of freedom system- Mass m=22 kg, stiffness K= 17 kN/m, Damping in the system…
Q: In a test to determine the bulk modulus of a liquid, it was found that as the pressure was changed…
A:
Q: Four routes were made on obtaining the difference of elevation between tw most probable value of the…
A: To find most probable value
Q: The moist densities and degrees of saturation of a soil are given in the following table: p (kg/m³)…
A:
Q: nly answer question 6
A: Stopping Sight Distance is the minimum distance that must be available in front of driver so that he…
Q: All of the following must be defined in the formulation of Physical Model EXCEPT: A. Transport area…
A: Physical model- A physical model depicts a physical construct whose properties are similar to those…
Q: A line of level 2 km long is run between BM1 and BM2 with an average backsight and foresight…
A:
Q: If the 49- kg crate starts from rest and travels a distance of 8 m up the plane in 6 s, determine…
A:
Q: Determine the force in member CE. 9 m OYOTO 12 m E 500N 12 m 1000N D 12 m 1000N F
A:
Q: Q) Draw Shear force (S.F) and bending moment (B.M) diagrams for the loaded beam shown below! flookN…
A:
Q: Analyze the following three-hinged arches. A. Parabolic Arch 3 L₁ →X + L₁ = 30 m, w = 15 KN/m .75 L₁…
A: To analyze the three hinged arch
Q: 4m 100 kN/m 2.5 m 91 kN 2.5 m E Subject: Civil Engineering / Theory of Structures Question: Draw the…
A: Given data : Determinate beam with pinned and roller support at A and F Find : SFD and BMD Assume…
Q: The base structure of the firetruck ladder rotates about a vertical axis through O with a constant…
A:
Q: Where should the primary longitudinal reinforcement be placed in a cantilever beam? Near the top of…
A: Tensile stresses are applied to the top fibres of the cantilever beam, which are located above the…
Q: The soil profile consists of 5m sand underlain by 13 m layer of clay. The ground water table is at a…
A:
Q: 1.5 k/ft -30 ft- 2.5 K/ft ↓↓↓↓ Hinge R = 30 ft 30 ft
A:
Q: Blocks Dand E have a mass of 4 kg and 6 kg, respectively. Suppose that F= 80 N and d = 5.7 m. A)…
A: Given : mass of block D = 4 kg Mass of block E = 6 kg F = 80 N and d = 5.7 m To determine : A) The…
Q: EXAMPLE 8.4 A concrete beam having a rectangular section, 150 mm wide and 300 mm deep, is…
A:
Q: Problem Air is flowing over a smooth plate with a velocity of 10 m/s. The length of the plate is 1.2…
A: Given Data- Velocity of air U=10 m/s, Length of plate L=1.2 m, Width of plate b=0.8 m, Reynolds…
Q: A concrete beam of rectangular cross-section of 200 mm × 400 mm is prestressed with a force of 400…
A: Given a concrete beam with rectangular cross sectional area. The eccentric prestressing force can be…
Q: (1) 1.5 2,25 2.25 O O H 2/4 214 214 Isl 2.5" 44 L6x4x3/4" with bolts. Ag = 6.94 in ² An- ? 7/8"
A: Given Data: The data is given as: Gross area (Ag)=6.94in2Bolt diameter (db)=78inNominal hole…
Q: ENGINEERING MECHANICS (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS AND FBD LEGIBLY. NO…
A: To find reaction at E,C,D,
Q: ation. Indicate the Early Start a am. (Hand written) Immediate Expected Predecessors Duration…
A:
Q: PROBLEM 4 The beam shown is loaded with the triangular, rectangular and the 10kN point load. Find…
A: Give data Find resultant of loading diagram. Concept
Q: Question 2 Classify each of the structures below as statically determinate, statically…
A: To classify the structure as determinate, indeterminate or unstble. m=number of members R=external…
Q: Calculate the capillary effect in millimeters in a glass tube of 4 mm diameter, when immersed in…
A: Given data: Diameter (d)=4 mm Surface tension of water σw=0.073575 N/m Surface tension of mercury…
Q: two-dimensional flow field is given by = x² - y² The velocity potential function in a The magnitude…
A:
Q: the PERT-CPM diagram for the list of a calculation. Indicate the Early Start an diagram. (Hand…
A:
Q: Where should the primary longitudinal reinforcement be placed in a simply supported beam? Near the…
A:
Q: D 30-0¹ Member Solid one- way slabs B4 Beams or ribbed one- way slabs B4 B4 B3 Column- 52 30-0 Bean-…
A: Minimum girder thickness
Q: The clip angle connecting the beam's web at A to the column may be assumed equivalent to a pin…
A: Given a determinate beam supported by a strut at B. The reaction forces at A and B are to be…
Q: BIO Hamstring You are exercising your hamstring muscle (the large muscle in the back of the thigh).…
A: Given: FC=20 lb. To find: Tension force TH Compressive forceFF (1) Sign convention: Force Right:…
Q: Determine reactions AY, BY, AX, BX. Calculate normal force, shear force and bending moments for…
A:
Q: Determine the support reactions of given systems by hand 29 KN A 19 kN/m 4 m G E 3,9 B
A:
Q: The city engineers have proposed to construct a new highway through existing farmland to bypass the…
A: There are following impact on designing a highway through a farmland as a bypass from city instead…
Q: The two forces are equivalent to a force R that has a line of action pass through point A. Determine…
A:
Q: At time t = 17 s, the velocity of a particle moving in the x-y plane is v = 0.14i + 2.92j m/s. By…
A: Given data: v = 0.14i +2.92j m/s v = 0.01 I + 2.82 j m/s Time interval = 17.3-17 = 0.3 sec
Q: Given A standard penetration test (SPT) was performed at a depth of 3.75 m below the ground surface…
A: Given- Standard penetration test SPT- Depth d=3.75 m, Unit weight of soil = 20.72 kN/m3, Blow counts…
Q: Using the approximate method for beam capacity, determine how many # 10 bars are required for the…
A:
Q: b. For the frame and loading shown, determine the components of all forces acting on member ABE. A B…
A:
Q: If a nozzle is so shaped that the velocity of flow among center line changes from 1.5 m/sec to 15…
A:
Q: Question 1 Consider the structure shown below: (a) Draw the shear and bending-moment diagrams for…
A: As you have asked for first part solution is being presented in next steps
Q: List possible costs that may be involved in the transportation construction process.
A: There are following costs that are involved in construction of a transportation project .
Q: 4 In a four-phase cycle, what is the total lost time if all red time is 2 sec, starting loss is 2…
A:
Q: A dense silt layer has the following properties: Void ratio = 0.30 Effecive diameter = 10um…
A:
Q: SITUATION 3. The perpendicular distance between two parallel tangents of a reversed curve is 8m, and…
A:
Q: 1. Find the y- coordinate of the centroid of the culvert shown. Sybo ooae enit of monsins velsm…
A: Given: A cross ection of box culvert Required: y coordinate of the culvert.
Q: SITUATION 1. A simple curve has a central angle of 36° and a degree of curve of 6º. Compute the…
A:
Only do question 3
Step by step
Solved in 2 steps
- A sag vertical curve is to be designed to join a -5% grade to a +2% grade. If the design speed is 65 km/h, determine the minimum length of the curve that will satisfy all criteria. Assume a=3m/squared and perception-reaction time = 2.5 sec.An old equal-tangent crest vertical curve was designed with a PVI at station 117+45 and elevation of 960 ft., and a PVC at station 110 + 85 and elevation of 927 ft. If the highest point on the curve is at station 117 + 65, what is the maximum safe design speed for this curve? (explore and report your answer in 5 mph increment) [hint: Use design tables. But this time, find the speed based on K]A sag vertical curve is to be designed to join a -4% grade to a +2% grade. If the design speed is 45 mi/h, determine the minimum length of the curve that will satisfy all criteria. Assume a = 11.2 ft/sec2 and perception-reaction time t = 2.5 sec. Use g = 32.2 ft/sec2
- You are asked to design a horizontal curve for a four-lane road. The road has 12-ft lanes. Due to expensive excavation, it is determined that a maximum of 42 ft can be cleared from the road’s centerline toward the inside lane to provide for stopping sight distance. Also, local guidelines dictate a maximum superelevation of 0.08 ft/ft. What is the highest possible design speed for this curve?A Sag Vertical Curve is to be designed to join a -3% grade and a +1.5% grade. If the design speed is 65kmph. Using the AASHTO 2011 Standard, determine the following: a. Stopping Sight Distance Uphill? b. Stopping Sight Distance downhill? c. Based on the stopping sight distance (whichever is greater of A and B), compute the minimum length of curve? d.What is the minimum length of curve for driver 's comport criterion? e. What is the minimum length of curve for general appearance criterion? f. What would be the designed Minimum Length of Curve?1. A parabolic curve has an ascending grade of 4% which meets a descending grade of 3% at sta. 1+ 180 whose elevation is at 320 m. Compute the elevation of the PVT(point of vertical tangency) if the length of the curve is 280 m 2. The driver of a car traveling at 65 mph saw an obstruction ahead. If the reaction distance is 72.2 m, compute the reaction time.
- An easement spiral curve has a design speed of 110 Kph. The radius of the central curve is 365 m with a permissible super elevation of 0.06. Determine the Following: a. Centrifugal acceleration so as not to cause discomfort to the driver in m/sec3. b. Length of the transition curve to limit the centrifugal acceleration. c. Length of the short tangent of the transition curve.5. A vertical sag curve consists of an initial grade of -3.5% with a final grade of +0.5%. The elevation for the point of vertical curvature (also known as beginning of vertical curve) is 1000 ft above MSL at Station 170+00. For a vertical curve length of 600ft, calculate the elevation, in ft, or the lowest point of the curve.The data given for a vertical sag curve on a roadway plan and profile sheet are as follows: PVI station @ 32+11.61, PVI elevation =54.18 ft, back tangent gradient g1 =- 4.00 percent, forward tangent gradient g2 = + 7.00 percent, and length of curve L= 600ft. Determine the curve elevations at half-station intervals along the curve, and compute the station and elevation of the lowest point.
- A 500-m long equal tangent vertical curve has a point of vertical curvature at station 2 + 600 and elevation 450 m. The initial grade is -1% and final grade is +1% b) determine the highest and the lowest points on this vertical curve by using the K-value.You are asked to design a horizontal curve for a two-lane road. The road has 12 ft lanes. Due to expensive excavation, it is determined that a maximum of 34 ft can be cleared from the roads centerline toward the inside lane to provide to provide for stopping sight distance. Also, local guidelines dictate that a maximum superelevation of 0.08 ft/ft. What is the highest design speed possible for this curve?A parabolic curve has a descending grade of -0.8% and an ascending grade of +0.4% that intersect at station 10 + 020 with an elevation of 240.600 m. If the maximum allowable rate of change of grade for this curve is 0.15% per 20 m stations, determine the following: A. The elevation at station 10 + 000 *Draw the figure