| 摘要 |
<p>1304763 Underpinning buildings K B ALGERS 26 May 1970 [28 May 1969 17 Sept 1969] 25224/70 Heading E1E Means for adjusting the level of a building to accommodate subsidence comprises a telescopic unit 1, 2 enclosing an elastic bag 5 adapted to be fed with gas or liquid media through an inlet 3 having a non-return valve 4. The bag may be injected with a hardening material such as cement, silt or asphalt. The bag may rest directly on the packing 7 for the building and bear on a removable floor to permit the packing to be topped up, see Figs. 2 and 3, (not shown), respectively. The pressure medium may be introduced into a casing surrounding a plinth, see Fig. 4 (not shown).</p> |
