How to check the standard for the uses of sand for construction

How to check the standard for the uses of sand for construction


Why it is important to assess the standard for the uses of sand for construction?

Sand provides bulk, strength, and alternative properties to construction materials like asphalt and concrete. it’s additionally used as an ornamental material in landscaping as well. So sand plays a strong role for every construction work so we should access the standard for the uses of sand for construction.

Sand is a particularly requisite material for the development however this vital material should be purchased with all care and vigilance. Sand used for construction purpose must be clean and free from waste stones and impurities. For your home construction, ensure that the builders use good quality construction materials and have a look at their previous works to know the quality. Assessing the quality of sand is a great idea to ensure the best construction. Sand is said to have a great impact on the strength of the construction. The building could develop cracks or damages with the use of improper quality of sand.


GRADING OF SAND


Based on the size of the particles, sand is classified as Fine Sand (0.075 to 0.425 mm), Medium Sand (0.425 to 2 mm) and Coarse Sand (2.0 to4.75 mm). The particles of fine sand are much smaller when compared to the other types. However, each of them has its own purpose in construction. Coarse sand is used for constructing pillars and underground tanks, while medium sand is used for the first layer of plastering and other works. The final finish of plastering includes the use of fine sand.


There are different standards for construction that must be checked and considered for better construction. The requirement of particle size of sand, according to which sand is chosen should be like:

  1. For plastering purpose, fine sand must not be less than 1.5
  2. For brick work fine sand used should not be but 1.2 to 1.5
  3. Concreting work require coarse sand in modulus of 2.5 to 3.5
  4. For all these purposes, the silt content should be more than 4 %.


FEATURES OF GOOD QUALITY SAND


Like any different material, their area unit bound options that confirm the standard of sand.

  1. Good quality sand should not possess more than 4% of silt content.
  2. It should have natural and crushed stone sand.
  3. It must be free from organic matter and other dirt particles.


HOW TO CHECK THE QUALITY OF SAND


One must know basic quality measurement checks for building materials so as not get cheated by builders/ contractors while your building is being constructed.
There are certain ways that help you in knowing the quality of sand.

  1. Sedimentation-Take some quantity of sand and put it in a glass of water. Shake it well and allow it to settle. If a distinct layer of clay or impurities is formed at the top of the sand, it can be considered as of low quality.
  2. Caustic soda– add sodium hydroxide or caustic soda to sand solution. The presence of impurities in the sand is detected by the color change of the solution.
  3. Clay and silt content– When you rub the sand sample between damp hands, clean sand will leave the hands slightly stained. If the hands are left dirty, it indicates the presence of too much silt or clay in the sand.


If you still find it difficult to check the quality of sand, get help or take suggestions from qualified people who are in the construction industry. Taking a few steps in assessing the quality of sand is better to avoid any future damages to the building.

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