Highway Bridges prestressed pipe pressure sizing agent

Highway Bridges prestressed pipe pressure size formula of prestressed pipe pressure prestressed pipe pressure slurry paste manufacturer price of highway bridge prestressed pipe pressure slurry in the tensioning prestressed technique in construction, how to make the pipe grouting is close-grained, not hierarchical, uniform strength, steel hinge line does not rust, small loss of prestress, Bridges and other structural engineering in recent years is to use more than 100 problems must be considered. The United Nations industrial development organization international materials technology promotion center, the ministry of construction of concrete engineering technology research center, China building materials science research institute jointly developed method of post-tensioned prestressed pipe grouting the seam an agent and grouting material, ettringite ( C3A. 3CaSO4 . 32H2O) Crystals for the source of inflation, supplemented by inorganic and organic components, stratification, exudation is not after grouting, uniform strength, volume expansion is stable, strong cohesive force, the steel does not rust, ensure the quality of pipe grouting, cement grouting material represents the most advanced technology. Product description of architectural technology co. , LTD. Of high performance prestressed pipe pressure slurry is inorganic functional materials is given priority to,, and compounded with organic polymer functional materials of new and beautiful seam an agent. It is nontoxic, nonflammable, and does not contain chlorine or other corrosive elements. Products with high efficiency water reducing, enhancement, and reduce the multiple functions such as exudation. At the same time, the product can cause moderate inflation to supplement the hardening cement mixing content in different periods of systolic blood pressure slurry beautiful seam an agent with 8 ~ 12% mixed with Portland cement with micro expansion of grouting material made of, compared with the ordinary cement slurry pressure, have good liquidity, exudation, layering, and grouting early strength, micro expansion, such as features, and can be one-time grouting construction, no pore density of slurry in pipe, prestressed steel is not corroded, and concrete bonding firm. The small gap higher liquidity and filling grouting. Prestressed pipe pressure slurry ratio, through the experiment on the basis of the latest standards of the 2011 the ministry of railways, the deployment of the prestressed pipe pressure slurry. Only the water gently, simple operation, stable performance, because there will be no use, the incompatibility with the cement grouting the seam an agent of exudation, retarded, no expansion and so on.