Preparation and properties test of metakaolin-geopolymer fiber material for landscape use
In response to the problem of poor durability of materials used in traditional garden landscape modeling,a type of metakaolin-geopolymer fiber material is proposed,and the performance of the prepared material is studied.The experimental results show that the optimal ratio of metakaolin-geopolymer fiber material is:water cement ratio is 0.35,flax short fiber content is 12％,water glass modulus is 1.95,and metakaolin content is 16％.After increasing the curing time of the geopolymer material prepared under this condition from 10 days to 60 days,its static bending strength decreases from 8.3 MPa to 6.5 MPa.After freeze-thaw treatment,the static bending strength of metakaolin-geopolymer decreases from 9.8 MPa to 7.0 MPa,the loss rate of static bending strength is about 28.8％,the internal bonding strength is 1.1 MPa,the grip screw strength is 1.854 kN,the water absorption thickness expansion rate is 1.28％,and the static bending strength after immersion is 8.2 MPa.All properties of the geopolymer fiber material modified in this experiment meet the standard requirements of GB/T 24312-2009,which can play a role in garden landscapes.
Static bending strengthLandscape design of gardenEnvironmentally friendly materialArchitectural decoration
万方数据
维普
