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The Constructor - Civil Engineering Home for Civil Engineers

The Constructor - Civil Engineering Home provides informational resources to Civil Engineers around the globe on various subjects such as construction management, Structural Engineering, Building Construction Tips, How to Guides for Civil Engineers etc.

MAGNITUDE & INTENSITY OF EARTHQUAKE

The point on the fault where slip starts is the Focus or Hypocenter, and the point vertically above this on the surface of the Earth is the Epicenter (Figure 1). The depth of focus from the epicenter, called as Focal ...

HOW THE GROUND SHAKES DURING EARTHQUAKE

Seismic Waves Large strain energy released during an earthquake travels as seismic waves in all directions through the Earth’s layers, reflecting and refracting at each interface. These waves are of two types - body waves and surface waves; the ...

Marshall Stability Test – Flow Test on Bitumen

Mississippi State Highway Department formulated Marshall stability test - flow test on bitumen and is applicable to hot mix design of bitumen and aggregates of maximum size 2.5 cm.Bituminous concrete mix is commonly designed by Marshall Method. This test is extensively ...

Flash and Fire Point Test on Bitumen

What is Flash and Fire point Test on Bitumen? Flash and Fire point test is conducted on bitumen to know the safe mixing and application temperature values of particular bitumen grade. Why it is Necessary? At higher temperatures bituminous materials leave out volatiles. ...

Specific Gravity of Bitumen

The specific gravity of semi-solid bituminous material, asphalt cements, and soft tar pitches shall be expressed as the ratio of the mass of a given volume of the material at 25 °C to that of an equal volume of water ...

VISCOSITY TEST FOR CUTBACK BITUMEN

AIM: To determine the viscosity of bitumen using tar viscometer APPARATUS: Tar viscometer, cup, valve, receiver, thermometer etc. THEORY: Viscosity is the inverse of fluidity. The degree of fluidity at the application temperature greatly influences ...