Definition
Ordinary Portland Cement (OPC) is the foundational binding agent in global and Indian civil engineering. Produced by grinding limestone and argillaceous raw materials, OPC chemically reacts with water to gain immense compressive strength swiftly. In India, it is typically classified into three specialized grades based on its 28-day compressive strength (in MegaPascals): OPC 33 (largely obsolete), OPC 43, and the high-strength OPC 53.
Practical Example
For pouring the critical raft foundation of a high-rise tower, the structural engineer strictly specifies OPC 53 grade cement. While more expensive than Portland Pozzolana Cement (PPC), the OPC 53 grade gains initial strength much faster, allowing the contractor to safely de-shutter the massive foundation and commence vertical column work sooner.
Application in Superwise
Cement is highly prone to moisture degradation and theft. Superwise’s Material Master differentiates between OPC 43, OPC 53, and PPC grades. Because OPC has a short shelf life, the inventory module alerts storekeepers against "First-In-First-Out (FIFO)" violations, ensuring older cement bags are consumed before fresh deliveries to prevent inventory spoilage.
Are you ready to SuperWise?
Take a demo or signup now to experience an empowering construction project management solution.