As early as the 1940s, wire mesh cement began to be used in the shipbuilding industry. At present, it is not only used for shipbuilding, but also a wide range of concerns. It is well known that the free calcium oxide in cement clinker affects the stability, because the free calcium oxide begins to hydrate after the cement hardening, the volume of its water billion products (calcium hydroxide) to increase 1.5~2.0 times, so that the cement hardening body burst, resulting in poor cement stability.
Therefore, it can be considered that if free calcium oxide in cement hardening future lack of hydration, then it will not cause the problem of poor cement stability. The relevant data show that the effect of free calcium oxide in kiln ash on stability is much lighter than that of free calcium oxide in clinker. It can be seen that the hydration rate of two kinds of free calcium oxide is different. The hydration rate of the free calcium oxide in the kiln ash is fast. One of the reasons is that the heating temperature of the kiln ash is lower than that of the clinker and the kiln ash is in the light burning state. The light burning calcium oxide is easier to hydrate than that of the high temperature calcined calcium oxide.
The cladding is less in the state of being wrapped. The content of free calcium oxide in kiln ash is high, and it is easy to hydrate to produce calcium hydroxide with small specific gravity, which also affects its precipitation effect in circulating water. Used in building engineering, hydraulic engineering, the structure of the products and wire mesh is the ~ of the composition of steel mesh cement material, it is a resilient reinforced material, uniform distribution in brittle materials (cement mortar), Taiwan it with cement mortar, the force when the joint deformation, with li influence each other, give full play to the characteristics of the composite material, Several kinds of composites with excellent properties are formed.
Post time: 30-07-21