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Cement Additives for Permeation Grouting - Conclusion

Conclusions

There are many options for cement mix designs in grouting applications. This report only touches on a few key additives. Any number of these additives can be used to improve specific properties in grout mixes, but may impact other properties. When deciding to use a new method of cement grouting, many tests should be run to determine whether or not the grout meets the needs of the project. A summary of the primary advantages and applications of the cement additives discussed in this report are presented below in Table 1. As noted earlier, whether a specific property change is an advantage or disadvantage may often depend on the specific application.

Table 1: Summary of primary advantageous property changes and applications for cement grout additives including foam, fly ash, blast furnace slag and silica fume
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