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Highway Engineering

Highway Engineering

Highway Engineering
By Paul H. Wright, Karen Dixon

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Book Description

Comprehensive book focusing solely on highway transportation. Contains treatment of highway administration and planning, evaluation, driver needs, geometric design, the nature of traffic flow and control, pavement design, and an extensive description of how highways are constructed and maintained.
* Offers the very latest AASHTO codes and guidelines for highway design, construction, and beautification.
* Dr. Wright is widely recognized as an expert in highway safety.


Book Details

  • Amazon Sales Rank: #342671 in Books
  • Brand: Wiley
  • Published on: 2003-11-24
  • Ingredients: Example Ingredients
  • Original language: English
  • Number of items: 1
  • Dimensions: 9.92" h x 1.29" w x 7.26" l, 2.65 pounds
  • Binding: Hardcover
  • 690 pages

Features

  • Used Book in Good Condition

Editorial Reviews

From the Back Cover
New standards, current methods, and modern technology

Offering focused yet comprehensive coverage of the field of highway engineering, this Seventh Edition of Paul Wright and Karen Dixon’s classic text guides you though the latest standards and advances. You’ll explore the art of geometric design, roadside design, and approaches to the design of intersections and interchanges; learn modern methods for traffic control; and examine the most widely used technologies for highway materials and construction. In addition, the text features valuable background material on legislative, administrative, economic evaluation, traffic characteristics, as well as driver, pedestrian, and vehicle characteristics.

Features

  • Reflects changes in AASHTO’s publications, A Guide for Geometric Design of Highways and Streets and the Guide for Development of Bicycle Facilities.
  • Presents modern coverage of highway capacity to reflect changes in the Highway Capacity Manual.
  • Describes accepted procedures for traffic engineering and control, and includes the latest standards from the Manual on Uniform Traffic Control Devices, Millennium Edition.
  • Offers a new section on the superpave mix design method as well as new material on the AASHTO method for the design of rigid pavements.
  • Provides significant coverage of pavements and the prevailing technology for highway maintenance and rehabilitation.


Customer Reviews

Most helpful customer reviews

0 of 0 people found the following review helpful.
4Design verification - Example 16-3, Pg. 435
By VUBON
A./
a1 . D1* = 0.42 x 6 = 2.52
a2 . D2* . m2 = 0.13 x 8 x 0.95 = 0.988
a3 . D3* . m3 = 0.075 x 7.5 x 0.90 = 0.506

Equation 16-8, Pg. 453 :
SN = a1.D1* + a2.D2*.m2 +a3.D3*.m3 = 2.52 + 0.988 + 0.506 = 4.014
SN required to protect the subgrade = 6.5, which is greater than SN provided (=4.014): Not satisfactory !

Thickness of subbase should be equal to - or greater than:
D3 = (SN3 - SN2*) /(a3.m3) = [6.50 - (2.52 + 0.988)] /(0.075 x 0.90) = 44.4 in.
Say D3* = 45 in.

Verifying:
a3 . D3* . m3 = 0.075 x 45 x 0.90 = 3.04
SN /provided = 2.52 + 0.988 + 3.04 = 6.55 : greater than SN required (= 6.50) : O.K.

B./ Please modify formulas (4) and (5) on Pg. 459 accordingly.
Please note that SN(s) of Figure 16-18, all are measured to the same reference line (drawing) along
the top of the surface course. So are true for all the SN(s)*. Also, Note #2 indicates that SN(i)* is
the actual (i.e., design) value of SN(i).

- Equation (4): SN2* must be selected (to be) greater than or equal SN2. It is redundant that
SN1* + SN2* > or = SN2. [There seems to exist a mixed-up here, that is: SN1* = a1 x D1*, and
SN2* = a2 x D2* x m2. This is not quite true. SN2* should be equal to a1 x D1* + a2 x D2* x m2.
Please refer to Equation 16-8 for clarity]

- Equation (5): With D1* and D2* known, D3 will be found via Equation 16-8, as follow:
a3 . D3 . m3 = SN3 - (a1 . D1* + a2 . D2*. m2)
Substitute SN2* for (a1 . D1* + a2 . D2* . m2), thence:
D3 = (SN3 - SN2*) /(a3 . m3)

C./ Formulas (4) and (5) are correct IF both:
a. Note #2 is to be revised by crossing out the term [or SN], and
b. add a Note #3, clearly defining: SN1* = a1 x D1* and SN2* = a2 x D2* x m2

Auditter: Please forward this calc. to the Book's Publisher for both, re-evaluating and issuing
Addendum to the readers.
.

0 of 0 people found the following review helpful.
3Three Stars
By DOUGLAS OKYERE
thanks

0 of 0 people found the following review helpful.
5Five Stars
By Jorge M.
Item as described! A++ seller

See all 5 customer reviews...
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