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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.

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CONCRETE WORKABILITY FOR DIFFERENT CONDITIONS

Workability Requirements for Different Concrete Placement: Requirement of concrete workability varies with different types of construction. Workability of concrete is decided by design engineers based on concrete strength requirements, durability requirements and ease of construction at site. For a construction with use ...

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ELEMENTS OF EARTH FILL DAMS

Some Elements of Earth Fill Dams 1. Crest of dam: The crest width of dams should be sufficient to keep the seepage line within the dam, when the reservoir is full. The crest width of the dam if road is not ...

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EMBANKMENT MATERIALS

Embankment Materialsa. Earth-fill materials. (1) While most soils can be used for earth-fill construction as long as they are insoluble and substantially inorganic, typical rock flours and clays with liquid limits above 80 should generally be avoided. The term “soil” as ...

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GRAIN SIZE ANALYSIS

AIM To determine the particle size distribution of the given fine aggregate and to determine ,the fineness modulus,the effective size and uniformly coefficent . THEORY Fine aggregate is the sand used in mortars. Coarse aggregate is the broken stone used in ...

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BULKING OF FINE AGGREGATE

AIM To study the behaviour of sand grains under varying percentage of moisture content . APPARATUES. 250 ml measuring cylinder ,weighing balance etc . PROCEDURE (i) Take 500gm (W1) of the aggregate. (ii) Keep the sample in an oven in a tray at a ...

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BULK DENSITY AND PERCENTAGE VOIDS OF AGGREGATES

Aim To determine the bulk density and percentage voids of aggregate . Apparatus (I)Balance -A balance sensitive to 0.5% of the weight of the sample to be weighed . (ii) Cylindrical Metal Measure- The measure shall be of 3,15 or 30 liters capacity ...

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SPECIFIC GRAVITY OF FINE AND CORSE AGGREGATES

AIM To determine the specific gravity of given sample of fine and coarse aggregates.   SPECIFIC GRAVITTY OF COARSE AGGREGATE. ApparatusA balance or scale of capacity not less than 3 kg, readable and accurate to 0.5 g and of such a type and shape ...

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AGGREGATE CRUSHING VALUE

AIM To determine the aggregate crushing value of coarse aggregate. ”The aggregate crushing value gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load . With aggregate crushing value 30 or higher’ the result may be ...

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