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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
An oven-dried soil weighing 1.89 N is placed in a pyknometer which is then filled with water. The total weight of the pyknometer with water and soil is 15.81 N. The pyknometer fill
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Q. Inspection and testing ? The inspection and tests on elastomer and the finished bearings are very important aspects of ensuring a satisfactory performance of the bearing. IR
I want to check the grammer of report and edit it in better sentances , reduce the Plagiarism & edit the reference to havaerd style
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Ground settlement occurs ahead or behind the jacking face for pipe-jacking? It's reported by Lake (1992) that settlements are expected at ground surface at a distance of 1-2 ti
Explain the Steady and Uniform Flow Steady flow: Flow quantity does not change over time. Uniform flow: The slopes of the energy grade line S = dE/dL, the hydraulic grade li
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Assignment Topic grade of concrete
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