How do you calculate hollow blocks?
Estimating Concrete Hollow Block Quantity
- Square Wall Area = Length * Height.
- Total Wall Area = Initial Wall Area – Total Wall Opening Area.
- No. of CHB = Total Wall Area * 12.5.
How much is the hollow blocks per piece in the Philippines?
Masonry Works Prices Philippines
|Masonry / CHB Wall Works|
|Concrete Hollow Blocks (CHB) 4″||pc||12.00|
|Concrete Hollow Blocks (CHB) 6″||pc||18.00|
|Portland Cement, 40 kg.||bag||261.00|
What is the measurement of a hollow block?
Hollow Block, Size: 40cm (length) X 20 Cm (width) , For Construction
|Density||1100 kg/m3 and 1500 kg/m3|
|Compressive Strength||2.8-4.0 N/mm 2|
|Drying Shrinkage||0.06 %|
|Size||40cm (length) X 20 cm (width)|
How much sand and cement do I need for 100 blocks?
As a general rule, you can order around 600 to 800 pounds of sand for every 100 blocks you are setting, provided that you are using the standard size cinder block. You will use two and a half to three bags of cement mixed in with that sand.
What is the price of hollow block?
Questions & Answers on Concrete Hollow Blocks
|Material||Min Price||Max Price|
|Concrete||Rs 28/Piece||Rs 50/Piece|
What is the mixture of hollow blocks?
Concrete blocks are often made of 1:3:6 concrete with a maximum size aggregate of 10mm or a cement-sand mixture with a ratio of 1:7, 1:8 or 1:9. These mixtures, if properly cured, give concrete blocks a compression strength well above what is required in a one-storey building.
How much is 5 CHB in the Philippines?
In the cost analysis, the normal CHB costs ₱11.58 per piece, for CHB with 5% RH is ₱11.48, and for CHB with 10% RH is ₱11.37.
How do you cure hollow blocks?
plastic sheet or tarpaulin and kept damp and shaded for at least 7 days in order to effectively cure. This can be achieved by continually spraying them with water or keeping them under water in tanks. A good curing process leads to less cracking and a stronger, harder, denser and more durable concrete.
How many inches is 1 hollow block?
Hollow Block, Size (Inches): 24 inch x 8 inch.