| 摘要 |
The present invention provides a method of building in the ground vertical-walled structures starting from subterranean conduits, consisting, starting from the said conduits, in excavating and lining with sheet-metal vertical trenches located beneath the said conduits, in placing reinforcement elements in the said -trenches and in filling the same with concrete or masonry, characterized in that it consists in forming the said conduits by means of tubes driven horizontally into the ground at the desired level, and then in excavating the said trenches starting from openings provided in the underside of the tubes. |
