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  • Classification Of Mortars:
    Mortars are classified into following types depending on binding materials used, building materials, nature of applications and density of mortar. Classification Of Mortars: Classification Based on Types of Binding Material: Mortars are classified into following depending on binding materials used Read More …
  • 1. Mortar In Construction
    Building mortars are mixtures of sand and binding materials, usually used for making joints in stones and bricks. (Sometime for other purpose too) Definition: It is a mixture or homogenous paste obtained by mixing fine aggregates such as sand and Read More …
  • 4. Crushing test on Aggregates
    The Crushing test is used to test crushing strength of pavement materials. This test is very important test for road works as it specifies the crushing strength of aggregates. IS code: IS: 2386 Part IV (Method of test for Aggregates) Read More …
  • Rate Analysis for Colour Washing
    Rate Analysis for Colour Washing Item: Applying Colour Washing with lime  (three and more coats) to already plastered surface.  Assumptions: Surface area of wall: 10 sq. m. Rates: Labour: 8 Rs per sq. m. White lime :300 Rs per Quintal   Read More …
  • Rate Analysis for White Washing with lime:
    Rate Analysis for White Washing With Lime Item: Applying White Washing with lime  (three and more coats) to already plastered surface.  Assumptions: Surface area of wall: 10 sq. m. Rates: Labour: 5Rs per sq. m. White lime :300Rs per Quintal    Read More …
  • Rate Analysis for Plaster of Paris (POP)
    Rate Analysis for Plaster of Paris (POP) to interior wall about 2mm thick: Item: Applying Plaster of Paris about 2mm thickness to already plastered surface.  Assumptions: Surface area of wall: 10 sq. m. Rates: Labour: 40Rs per sq. m. POP:3Rs Read More …
  • 3. Shape Tests on Aggregates
    Shape tests on Aggregates( Flakiness Index and Elongation Index Test) The shape test of aggregates determines the shape and size of particle. Size & shape of aggregates directly has impact on strength of concrete, bond strength, workability of concrete, cement Read More …
  • 2. Impact test of aggregate (Aggregate Impact value)
    Aggregate Impact value: Aggregate impact value is defined as the ability of aggregates to have resistance against shock and impact, toughness. It Also can be defined as the load at which aggregates start cracking due to the impact and shocking. Read More …
  • Fineness Modulus of Coarse aggregate
    Objective: To find mean size of particle in coarse aggregate. What is Fineness modulus of Coarse aggregate? Fineness modulus of coarse aggregate is a index number, which represent the mean size of particle in coarse aggregates. Fineness modulus is found Read More …
  • Fineness Modulus of Sand:
    Objective: To find mean size of particle in fine aggregate or sand. What is Fineness modulus of Fine aggregate? Fineness modulus of sand is a index number, which represent the mean size of particle in sand. Fineness modulus is found Read More …
  • 1. Sieve Analysis
    Based On (IS : 2386 (Part 1) and IS : 2386 (Part 4))  The Sieve analysis test is nothing but the gradation test, in which gradation of particle (distribution of aggregates by size, within given sample) is find out. The Read More …
  • Grading Curve
    Grading Curve The graphical representation of sieve analysis is also knows as Grade curve. 1.      Readings recorded from sieve analysis is plotted in graph shown below (take particle size on X-axis and percent finer on Y-axis). This graph is also Read More …
  • 6. Grading of aggregates
    What is grading of aggregates?? Grading of aggregates is procedure to find out the particle size distribution of various aggregates. This method helps to determine the aggregates size and percentage used in construction works. Coarse aggregates are graded as,  80mm, Read More …
  • 5. How to select the aggregates for construction:
    How to select the aggregates for the construction is very important to achieve the quality of concrete. Selection of aggregates should be done on basis of their properties. The good quality aggregates should be selected for the construction. How to Read More …
  • 4. Properties of aggregates
    Properties of aggregates plays very important role in selection of aggregates for different kinds of construction. Different activities requires the different aggregates depending on their properties. For example, for road construction high density aggregates are required. For compound wall low Read More …