| 摘要 |
<p>A high thermal conductivity grout, esp. for injection into buried conduits containing high voltage lines, comprises a mixture of cement, water, bentonite and dolomite, the novelty being that the dolomite consists mainly of particles of less than 50 microns size. Pref. the weight of dolomite in the mixture is at least equal to the weight of water. Also claimed is a method of preparing the above grout.</p> |
