Pozzolanic Portland Cement by NextEraGlobalCommerce
Pozzolanic Portland CementNextEraGlobalCommerce offers high-quality Pozzolanic Portland Cement, following Iranian National Standard No. 3432. Pozzolanic cements are classified into two groups based on the percentage of added pozzolan material:
Pozzolanic Portland Cement (P.P.): Contains a minimum of 5% and a maximum of 15% pozzolan by weight.
Special Pozzolanic Portland Cement (P.P.W.): Contains a minimum of 15% and a maximum of 40% pozzolan by weight.
Key Features and Benefits of Pozzolanic Portland Cement for Foundations and Dam Construction:
The use of Pozzolanic Portland Cement improves various properties of concrete, making it ideal for foundations and dam construction projects. Some of the key advantages are:
Enhanced Concrete Durability: The high Blaine fineness of Pozzolanic Portland Cement helps adjust the cement hydration process, increasing the specific gravity of the concrete, leading to higher standard and final strength.
Reduced Permeability: The Pozzolanic reaction reduces free lime in the concrete, leading to lower porosity. This decreases permeability, preventing efflorescence and improving long-term durability.
Increased Resistance to Aggressive Environments: The Pozzolanic Portland Cement improves resistance to sulfate and chloride corrosion, protecting the reinforcing bars and concrete from the effects of aggressive chemicals and environments.
Lower Heat of Hydration: The lower heat of hydration helps in mass concrete pours, reducing the risk of temperature-related issues during curing.
Improved Workability and Reduced Shrinkage: The improved adhesion of the mixture increases the workability and reduces bleeding, minimizing the risks of shrinkage, cracking, and expansion in concrete structures.
Sustainability: Pozzolanic cements are a more sustainable option for construction, utilizing industrial by-products and improving concrete’s long-term resistance to harsh conditions.
Applications of Pozzolanic Portland Cement (Special):
Dam Construction: Ideal for foundation work and mass concrete applications, especially in sulfate-rich or moist environments.
Building Foundations: Suitable for aggressive soil conditions, enhancing the concrete's strength and longevity.
Concrete Structures: Perfect for large-scale projects, such as roads, bridges, and paving.
Durability in Harsh Conditions: Excellent for use in structures exposed to extreme weather and chemical attacks, ensuring the longevity of the concrete.
Pozzolanic Portland Cement Specifications:
Pozzolan Content: Minimum 15%, Maximum 40%
Compressive Strength:
28 Days: Minimum 440 kg/cm²
Heat of Hydration: Low, ideal for mass pours
Setting Time: Medium, depending on environmental conditions
Blaine Fineness: High, contributing to better performance and durability
Packaging: Available in bulk or 50 kg bags
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