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Assessing Maintenance Needs:
Maintenance needs can be assessed by a careful inspection of roads at regular intervals, observing defects such as :
The modern method of assessing the riding quality of a road is by a Bump Integrator machine, towed by a vehicle at a speed of 30 Km/hr. The Bump Integrator (BI) value is expressed in mm/Km. The following gives the rough guide for BI value.
Table: Typical bump Integrator Values in mm/Km
A simple method of assessing the condition of a low volume rural road is by means of a Pavement Condition Index (PCI). The PCI value ranges from 1 (Very Poor) to 5 (Very Good) and can be assessed by one of the following methods :
(a) Based on visual inspection
(b) Based riding comfort, when travelling at 50 Km/hr speed
(c) Based on comfortable driving speed possible
Table : PCI Value Based on Visual Inspection
Solve the following problems and show all steps and calculations clearly: 1. A water treatment plant uses a dual media filter. The two media used are: a) Anthracite coal with ef
Determine the Limit State of Serviceability Cracking Cracking of concrete should not affect the appearance or durability of the structure. The criteria of limit state of cracki
I need technical assistance. The project is incomplete. I need someone to proofread it. Do you have someone who know Plaxis, Slope/W and Flac?. Can you arrange a case study for Geo
Supplementary or Untensioned Reinforcement It is that reinforcement, provided in prestressed concrete member, which is not provided in a stretched condition like tendons.
The northing and easting coordinates for point C is most nearly: Solution: Section the triangle and calculate using Pythagorean Theorem and the Law of Sine's or us
what are the applications of statics in engineering
Location and spacing of borings The location, spacing of geophysical profiles, soundings and borings should be such that, you will be in a position to accurately predict the
A partially saturated soil from an earth fill has a natural water content of 19% and a bulk unit weight of 19.33 kN/m 3 . Suppose the specific gravity of soil solids as 2.7, comput
who invented the first LA abrasion test machine
application of turbines 2 the civil engineering aspect
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