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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
standers size
Q. Computation of Settlement? The settlement in any soil mass under an applied stress is given by s = s i + s c + s s where, S = total settlement, S i = imm
The plastic limit and liquid limit of a soil are 33% and 45% respectively. The percentage volume change from the liquid limit to the dry state is 36% of the dry volume. Likewise, t
Question If contractor is likely for defective works for 12 years with pact under seal, then what is meaning of Maintenance Period? Answer Faulty works constitute a br
Passenger Conveyors: Passenger conveyors are used at locations where a large concentration of passengers has to be moved from one place to another. Escalators are used to conv
difference between delievery and suction pipe?
Determine the uses of Screw connectors Screw connectors are normally used to splice large-diameter high-tensile strength bars. The bars are threaded at the ends and a sheet-me
IFC= f(Ptr,Paccs+Peng) where ptr = 8, paacs =5 and peng =2 In this eqn. what does comma means and how to solve this eqn.
is it necessary for to put plinth wall in buildings
bulking of sand
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