Question

Determine the minimum length of the vertical curve if the grades are -4.0% and +2.0% and...

Determine the minimum length of the vertical curve if the grades are -4.0% and +2.0% and the design speed is 70 mi/h

Engineering   Civil-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Determine the minimum length of a crest vertical curve if the grades are (+4%) and (-2%)....
Determine the minimum length of a crest vertical curve if the grades are (+4%) and (-2%). Assume design speed is 70 mi/h, a =11.2 ft /sec2, perception-reaction time = 2.5 sec
Determine the minimum length of a vertical curve necessary for it to be adequate, under the...
Determine the minimum length of a vertical curve necessary for it to be adequate, under the visibility criteria for braking, for a design speed of 80 mph. The slopes corresponding to the PVC and PVT of the curve in question are 4% and -3% respectively. the PVI station is 120 + 70 and its elevation is 810 meters. The coefficient of lateral friction is 0.08. All circular curves in the segment under study have been designed using an 8% superelevation...
A vertical curve is formed by joining two grades 6% to a -2% grade. If the...
A vertical curve is formed by joining two grades 6% to a -2% grade. If the design speed is 55 mph, determine the minimum length of the curve that will satisfy all applicable criteria. Assume a = 11.2 ft/s2 and perception-reaction time as 2.5 sec. Note: If the curve is a sag curve, ignore the drainage criterion
Determine the minimum length of a sag vertical curve between -0.9% grade and a +0.6% grade...
Determine the minimum length of a sag vertical curve between -0.9% grade and a +0.6% grade for a road with a 130km/hr design speed. The curve must provide 250m stopping SD and meet the California Appearance Criteria and the AASHTO Comfort Standard. Please show all steps, Thank you
A vertical curve is joining -4% with -2% gradient, determine the minimum length of the curve...
A vertical curve is joining -4% with -2% gradient, determine the minimum length of the curve using all applicable criteria. Speed on the curve will be 60mph. Also, find out elevations of intermediate stations on the curve for layout. The PVI is at station 31+50 and elevation 101ft. (using K-values to find the curve length)
a sag vertical curve joining -3.5%and a 1.5% grades the point of curve PC station is...
a sag vertical curve joining -3.5%and a 1.5% grades the point of curve PC station is 188 ft with an elevation of 175 ft assume K value for this highway is 180 determine the minimum length of the curve L determine the station of the endpoint of the curve PT determine the elevation of the point of intersection PL
A vertical crest curve on a single carriageway road with a design speed of 100km/h is...
A vertical crest curve on a single carriageway road with a design speed of 100km/h is to be built in order to join as ascending grade of 3% with a descending grade of 3%. The motorist’s eye height is assumed to be 1.05m while the object height is assumed to be 0.26m. 1. Calculate the minimum curve length required in order to satisfy the requirement of minimum sight stopping distance. 2. Recalculate the minimum curve length with the object height...
A vertical summit curve has tangent grades of +2.5% and -1.5% intersecting at station 12+460.12 at...
A vertical summit curve has tangent grades of +2.5% and -1.5% intersecting at station 12+460.12 at an elevation of 150m above sea level. If the length of the curve is 182m: a. Compute the length of the passing sight distance. b. Compute the stationing of the highest point of the curve. c. Compute the elevation of the highest point of the curve.
A vertical summit parabolic curve has vertical offset of 0.375 m. from the curve to the...
A vertical summit parabolic curve has vertical offset of 0.375 m. from the curve to the grade tangent at Station 10 + 050. The curve has a slope of +4% and -2% grades intersecting at the P.I. The offset distance of the curve at P.I. is equal to 1.5m. If the stationing of the P.C. is at 10 + 000. Compute the (a) required length of curve (b) horizontal distance of the vertical curve turning point from the point of...
An existing equal-tangent sag vertical curve is designed for 60 mi/h. The initial grade is -3%...
An existing equal-tangent sag vertical curve is designed for 60 mi/h. The initial grade is -3% and the elevation of the PVT is 754 ft. The PVC of the curve is at station 134 + 16 and the PVI is at 137 + 32. An overpass is being constructed directly above the PVI. The highway is for cars only (AASHTO minimum and recommended structure clearances do not apply) and the overpass design assumes the driver's eye height is set conservatively...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT