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,
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:
- For plastering purpose, fine sand must not be less than 1.5
brickfine sand used should not be but 1.2 to 1.5 work
- Concreting work
requirecoarse sand in modulus of 2.5 to 3.5
- For all these purposes, the
siltcontent 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.
- Good quality
sandshould not possess more than 4% of siltcontent.
- It should have natural and crushed stone sand
. Itmust 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.
- 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.
- Caustic soda– add sodium hydroxide or caustic soda to
sandsolution. The presence of impurities in the sand is detected by the color change of the solution . Clayand silt content– When you rub the sand sample between damp hands, clean sandwill 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.