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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
A trapezoidal masonry retaining wall 1 m wide at top and 3 m wide at its bottom is 4 m high. The vertical face is retaining soil (φ = 30°) at a surcharge angle of 20° with the hori
Enlongations in solids based on elastic constants
Determine the term - Degree of Prestressing Degree of Prestressing It is a measure of the magnitude of the prestressing force related to the resultant stress occurring in
Solve the following three questions of the beam ABCD. Note that A is a fixed end; B is apin connection; C is a roller support; and D is a free end. 1) Sketch the quantitative
Define the Working of Ground Penetrating Radar? Ground penetrating radars (GPR) and low frequency sound are also used in scour survey. These are good in shallow water but not v
please give solved problems about sewer design
What is W.M.M. roads? Where its used ?
rebound hammer working mechanism with detailed specifications of the images
Movement accommodation factor is normally specified by manufacturers of joint sealants for designers to design dimension of joints. It is stated as the total movement that a joint
Q. What is the cost of phoenix activity? Phoenix activity has a range of impacts on the Australian economy. Employees lose entitlements when phoenix activity has occurred and w
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