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Chemical Grouting and Soil Stabilization
Over a decade has passed since publication of the second edition. During this time the major changes have been the movement of chemical grouting from remedial use to preventive use, and the development and growing use of other methods of ground improvement. Although new grouts have been developed, silicates and acrylics still dominate the domestic market. Increasing sophistication in grouting equipment and procedures, as well as in associated placement techniques, and the growing number of organizations specifying and using chemical grouts, have resulted in the broad acceptance of chemical grouting as a bona fide construction tool.
The basics of chemical grouting remain largely unchanged and, with appropriate modifications and additions, occupy a major part of this edition. Over the years of teaching grouting, I have found it desirable to include information on other accepted procedures for soil modification and stabilization (as well as some very recent innovations) in sufficient detail to permit assessment of the place of grouting in the contractor’s arsenal of field procedures. Other ground improvement techniques are now discussed in much greater detail than in the two previous editions.
This past decade has seen rapidly growing concern for the problems caused by hazardous wastes. Containment of such wastes will demand more and more attention in the coming years. Grouting and other procedures can be used for containment, and the final chapter of this edition is devoted to that subject.
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