Researches On Selection Of Anchor Slurry And Performance Mixed Quick Lime In Earthen Ruins

As a kind of concealed mechanical stability control technology,anchorage technol ogy has been widely used in the massive engineering practice of earthen ruins reinfor cement.However,for the earthen ruins anchoring system with special characteristics,t he compatibility of anchorage slurry is not ideal,and the lag of development becomes the key problem that restricts the development of earthen ruins anchorage technology.Therefore,it is important to find out the slurry that is compatible with the earthen sit es in different regions according to local conditions,to make up for the shortage of s lurry strength,and seek more choices for the diversity of anchorage slurry.It is also an important topic to be solved in the field of anchoring technology and technology i n earthen ruins.Quick lime is a traditional material.It has been used in China for more than fou r thousand years,and has played an important role in military,cultural and religious a rchitecture fields.Therefore,based on the previous research on the earthen ruins of th e anchor technology and theory,in order to give full play to the slurry in earthen rui ns full length sticking anchorage system,using the expansion and adhesion of quick li me chemical reaction generated by improving slurry workability and compatibility base d on quick lime as admixture with SH slurry,glutinous rice pulp,site soil and fly as h.Then,the type selection of anchorage slurry in laboratory and in-situ anchorage test s are carried out.By testing the physical and mechanical indexes,such as consistency,wave speed,density,compression,tensile and shear,the type selection of anchorage slurry in labor atory was studied.Then,according to the best proportion of type selection in laborato ry,slurry and wood anchor and GFRP anchor,the anchorage system made up of woo d bolt or GFRP bolt mixed with anchorage slurry selected in laboratory is tested in si tu to study the anchorage performance with the characteristics of ultimate load,load d isplacement and load transfer.By comparing with the existing research results,the co mpatibility and anchorage performance of the anchorage system of the slurry is prelim inarily evaluated.The results provideuseful reference for the application of modified sl urry with quick lime as a mixture in the field of anchorage of soil ruins.