Cement da grouting mixes wakilci specialized cementitious materials wanda aka tsara don deep foundation applications, ground improvement, da geotechnical construction. Wannan samfura an tsara su daga Portland cement, aggregates, additives, da supplementary materials don samun specific strength, flow, durability, da chemical resistance properties wanda ake bukata a subsurface environments. Tsarin ya dogara da bukatun aikace-aikace—daga high-strength structural grouts zuwa low-density cellular mixes—don cika bukatun aiki a cikin challenging foundation conditions.
Siminti na Portland shi ne powder na fine, grey wanda ya ɗauke da calcium silicates, aluminates, da ferrites wanda aka samar ta hanyar aikin clinker-grinding na limestone, clay, da silica-rich materials. A cikin aikin gini na kasa da na geotechnical, siminti na Portland ya yi aiki a matsayin babban abin haɗin gwiwa a cikin siminti da na'urorin grouting, don haka samar da ƙarfin gini, ƙarfin kemikal, da ƙarfin dogon lokaci wanda ake buƙata a aikin kasa inda buƙatun aikin gini suke da wahala da yanayin muhalli suke da wahala.
Siminti na Slag Portland shi ne abu na composite cementitious wanda aka samar ta hanyar grinding clinker daga aikin siminti na Portland tare da granulated blast furnace slag (GBFS), wanda shi ne byproduct na samar da ƙarfe a cikin blast furnaces. Wannan abu ya haɗu da sifofi na ci gaban ƙarfin siminti na Portland tare da fa'idojin ƙarfin dogon lokaci da rage permeability na slag, don haka samar da abin haɗin gwiwa na ƙarfin aikin gini wanda ya dace da aikin gini na kasa da na geotechnical na wahala a cikin aikin gini na kasa.
Microcement shi ne abu na ultra-fine cement wanda aka tsara don aikin grouting na ƙarfin gaskiya da na micro-scale injection a cikin aikin gini na kasa da na geotechnical. Wanda ya ɗauke da particles na siminti na Portland yawanci 3–15 micrometers a diameter - wanda yake ƙanƙanta fiye da siminti na Portland na al'ada (yawanci 10–100 micrometers) - microcement galibi ana haɗa shi tare da additives kamar plasticizers, water-reducing agents, da kuma silica fume ko mineral fillers don samun rheology da ƙarfin dogon lokaci. Girman particle ɗan ƙanƙanta ya baiwa damar shiga cikin fissures na fine, microcracks, da low-permeability soil matrices inda siminti na al'ada bai yi yiwu ba, don haka ya zama muhimmin aikin gini don remedial grouting, soil stabilization, da structural rehabilitation a cikin aikin gini na kasa.