Types of Bridges – Bridge Types Arch, Girder, Cable, Truss, Rigid Frame

Bridge Types The five primary types of bridges are listed below according to their support mechanism:  1.      Girder bridges 2.      bridges with arches 3.      bridges with cable stays 4.      Bridges with Rigid Frames 5.      Bridges with trusses   1. Girder bridges: It is the most common and basic type of bridge. A girder bridge can…

Green Concrete

Abstract Green concrete is a revolutionary topic in the history of concrete industry. This was first invented in Denmark in the year 1998. Green concrete has nothing to do with colour. It is a concept of thinking environment into concrete considering every aspect from raw materials manufacture over mixture design to structural design, construction, and…

Hydration Of Cement

When the water is added to cement, a chemical reaction starts which is exothermic in nature and produces a significant amount of heat. This is known as hydration of cement and the liberated heat is called the heat of hydration. The process of hydration is not an instantaneous. Hydration of cement is faster in the…

Manufacturing process of cement

Manufacturing process of cement involves various raw materials and processes. It explained chemical reactions for manufacturing. Cement is a greenish grey colored powder made from calcined mixtures of clay and limestone. It mix with water becomes a tough. The history of cement goes back to Roman Empire . The modern day cement, hydraulic cement was…

Cement Manufacturing Process

There are six basic stages of cement manufacturing process. Stage 1:Raw Material Extraction/Quarry The raw cement ingredients needed for the production of cement are limestone (calcium), sand and clay (silicon, aluminum, iron), slate, fly ash, inlays and bauxite. The mineral rocks are extracted and crushed into smaller pieces of approximately 6 inches. The secondary crushers…