The Study On Mechanical Properties Of Glass Fiber And Fly Ash Composite Cement Soil

In recent years, with increasingly scarce water resources of the Yellow River Basin, Inner Mongolia began to implement water saving is the main objective of the channel impermeable lining for the main types Irrigation District construction projects. This stage mainly in the form of concrete used as an impermeable lining materials, this impermeable to consume large amounts of cement and sand and gravel materials, neither economic nor environmental protection. In this paper, the widely distributed in the clay and cement as based materials in Inner Mongolia. The industrial of fly ash and recycle-processing of glass fiber is mixed with agents.Thourgh indoor unconfined the compressive strengt and triaxial shear test, study on strength law and curing mechanism of glass fiber and fly ash composite cement soil, for the practical application of engineering theory and scientific basis.Firstly, the use of the orthogonal experimental design to select typical representative of16group for unconfined compressive strength tests.Thourgu analysis of test results to identify the strength and influencing factors of glass fiber and fly ash composite cement soil. The results showed that:With the increase in cement content and the age of unconfined compressive strength gradually increases.and with the increase of the glass fiber and fly ash.cement composite soil has an optimal co-ordination, glass fiber of0.07%, fly ash of8%.Second.selected16group triaxial shear strength test.Thourgh test data of analysis shear strength law and failure characteristics of the glass fiber and fly ash composite cement soil. And based on the measured stress-strain curvesand, the establishment of a suitable the this earthy glass fiber and fly ash composite cement soil stress-strain constitutive model.Finally, the use of advanced SEM (scanning electron microscope) tester, the analysis of glass fiber and fly ash composite cement soil of micro-structural features. On the basis of SEM,analysis of the soil particlescement,fly ash, glass fiber the range of chemical and physical role. Which has beenglass fiber and fly ash composite cement soil the curing mechanism.