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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
Limit States of Serviceability These are those limit states which point out to the inability of a structure or a structural component in functioning properly as per the intende
Design of one way slab, two way slab, circular slab, hollow slab step by step as ACI code 318-08, tnx
Q. What is Sedimentation tank ? This is a process in which the water is passed through bases or tanks in which the velocity of water is so reduced or water is given a period of
Slow Sand Filter drawing using AutoCAD
NEED TO DESIGN A CANTILEVER RETAINING WALL 8M HIGH, SATURATED UNIT WEIGHT IS 16KN/M3, SURCHARGE IS 7KN/M2, LOAD ABOVE WALL SUPPORTED ON WALL STEM IS 10KN/M RUN, ANGLE IN INTERNAL F
TH ADVANTAGES OF FLAMISH BOND
Explain Energy Grade Line (EGL) Graph of the sum of the potential, pressure and kinetic energies along a pipe or open channel. Energies are plotted along the y-axis above a dat
Soil at a borrow area has a total unit weight of 120-PCF and a water content of 15 percent. The soil from the borrow area will be used as structural fill and compacted to an avera
difference between raft and pile foundation question..
WHAT IS RCC
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