assignment 2 engineering material

 cement bag standard size

Cement bag size 50 kg

750mm × 500mm × 100mm

The standard size of a 50kg cement bag is 750mm × 500mm × 100mm or 30 inches (2.5feet, 0.75m) in height, 20 inches (1.666feet, 0.5m) wide and 4 inches (0.333feet, 0.104m) thick12. A bag of cement is 50kg, which is equal to 0.035 cum or 1.24 cft3. The capacity of cement bags can vary, and some bags may be made of different materials4.

grades of cement

Grades of cement

Cement grades indicate the 28-day compressive strength attained after curing12. The major cement grades used in construction are:

1. 33 Grade OPC (Ordinary Portland Cement)
2. 43 Grade OPC
3. 53 Grade OPC
4. Portland Pozzolana Cement (PPC)
5. Portland Slag Cement (PSC)3. 

top five brands of cement with compomey name in paistan

6. Lucky Cement

   • Company: Lucky Cement Limited
   • Description: One of the largest producers in Pakistan, known for its high-quality products and extensive distribution network.

7. D.G. Khan Cement

   • Company: D.G. Khan Cement Company Limited
   • Description: A major player in the cement industry with a wide range of products and a strong presence across Pakistan.

8. Fauji Cement

   • Company: Fauji Cement Company Limited
   • Description: Known for its quality and reliability, Fauji Cement is a leading cement producer with a significant market share.

9. Attock Cement

   • Company: Attock Cement Pakistan Limited
   • Description: A prominent cement manufacturer that offers a variety of cement products and has a substantial distribution network.

10. Maple Leaf Cement

    • Company: Maple Leaf Cement Factory Limited
    • Description: Known for its quality products and technological advancements in cement production.

 

Why we called portland cement

Resemblance to Portland stone
Portland cement is named after its resemblance to Portland stone, a type of building stone quarried on the Isle of Portland in Dorset, England12345. The inventor, Joseph Aspdin, patented the process in 1824, and the name has stuck ever since. in 19th centuray.




100 by 100 fet store room

1. Calculate the Floor Area

• Floor Area: 100 feet x 100 feet = 10,000 square feet

2. Determine Bag Dimensions and Storage

• Standard Cement Bag Size: Typically, a standard cement bag is 50 kg and occupies approximately 0.6 cubic feet.
• Bag Dimensions: The size of a 50 kg cement bag is roughly 18 inches x 12 inches x 6 inches.

3. Calculate the Bag Volume

• Volume of One Bag:
  • Convert dimensions to feet: 1.5 feet x 1 foot x 0.5 feet
  • Volume = 1.5 feet x 1 foot x 0.5 feet = 0.75 cubic feet per bag

4. Account for Stacking and Aisles

• Stacking: Bags are usually stacked to optimize space. Assume a stacking height of about 5 layers (considering safety and ease of access).

• Aisles and Space Usage: Allocate space for aisles and safe handling. Assume about 30% of the floor area is used for aisles and handling.

• Effective Storage Area: 70% of 10,000 square feet = 7,000 square feet

5. Calculate the Number of Bags

• Total Volume Available: Convert floor area to cubic feet: 7,000 square feet x average stacking height (say 10 feet, considering stack height) = 70,000 cubic feet

• Volume Occupied by Bags: Each bag occupies 0.75 cubic feet.

• Number of Bags: Total Volume Available / Volume per Bag = 70,000 cubic feet / 0.75 cubic feet per bag = 93,333 bags

6. Practical Considerations

• Safety and Accessibility: In practice, safety regulations, ventilation, and access considerations will reduce the actual number of bags stored.
• Realistic Estimate: Given these factors, a more practical estimate would be about 50,000 to 60,000 bags, depending on how the space is used and how the stacking is managed.