Concrete cement mixers are a way of carrying and mixing building cement while you are working to repair a foundation, sidewalk or building a mold (as in the mold of a bust, not mold and mildew). Cement is mostly known to be made out of asphalt, the latter of which stands for secure in the ancient Greek language.
History of Cement and Concrete
Cement is a mixture of several different types of materials. This includes sand, limestone and asphalt.
The earliest construction cements are as old as construction, and were non-hydraulic. Wherever primitive mud bricks were used, they were bedded together with a thin layer of clay slurry.
Mud-based materials were also used for rendering on the walls of timber or wattle and daub structures. Lime was probably used for the first time as an additive in these renders and for stabilizing mud floors. A "daub" consisting of mud, cow dung and lime produces a tough and water-proof coating, due to coagulation (by the lime) of proteins in the cow dung.
This simple system was common in Europe until quite recent times. With the advent of fired bricks, and their use in larger structures, various cultures started to experiment with higher-strength mortars based on bitumen (in Mesopotamia), gypsum (in Egypt) and lime (in many parts of the world).
Asphalt and cement were also found to be used beginning in 625 BC in Babylon and Greece. The idea of this secure foundation was lost for centuries, and began to be experimented with beginning in the 1500’s. After much exploration, European’s found that this type of material was being used in Venezuela. They took the idea and began to use cement for re-caulking ships.
Road building using cement became popular in America in the middle of the 1800’s. This was part of the revolution that began with the industrial age. Cement was first taken from natural resources, such as the lakes that were in Trinidad. However, by the beginning of the 1900’s, the mixture for roads and pavement began to be a mixture of several different types of rocks.
History of Concrete Cement Mixers
Concrete cement mixers first became popular in the 1920’s, when automobiles started to become popular. Mixers were first seen as trays that were heated over coal fires. Aggregate was dried in this tray, then asphalt would be poured on top of it. This mix was then stirred by hand. Drums were soon after invented, and wheels were later added in order to make it easier for the building of roadways and sidewalks. These were known as floating screeds and were popular until the 1960s.
By the 1970s, vehicles, automobiles and the construction process in general were becoming a concern with the environment. This caused even better technology to be produced in relation to cement mixers. The mixers that are being used now have an increased improvement with mixture protection and vehicle efficiency, allowing for less noise, skid resistance and weather resistance.
Because of the inherent capability of the modern concrete cement mixer to be used on different types of roads and sidewalks, better quality roadways and sidewalks are now being built. This ease and efficiency in road construction has also caused most major modes of transportation to be supported by this type of construction material. More than ninety-four percent of the ground used for transportation is made out of cement. Indeed, the cement mixer has played an important role in making sure that this secure surface is made.