| 摘要 |
<p>The present invention provides a method of forming of anchorages by means of tie bars, each consisting of at least one cable, bar or strand, which are inserted into a hole drilled in the ground, at least partially enclosed into a bulb of mortar or other suitable material injected into said hole and then subjected to tensile stresses, the improvement which comprises fastening each cable, bar or strand, in at least one section to be included in such a bulb, to at least one plate which, when cables, bars ox strand are subjected to tension, transmits compression stresses to the portion of bulb surrounding said plate.</p> |
