| 摘要 |
<p>The invention relates to a crack repairing method, wherein a repairing agent such as a resin is injected into a crack formed in a material such as concrete or rock, consisting of the steps of gradually increasing the pressure, at which the repairing agent is injected into the crack, after the injection has been started, and maintaining this injection pressure on a substantially constant level for a predetermined period of time after the injection pressure has reached a predetermined value, to spread the repairing agent thoroughly into the interior of the crack. The invention further relates to a crack repairing method, in which the air in a crack is sucked simultaneously with an operation for injecting a repairing agent thereinto, to pack the crack with the filler more effectively.</p> |
