Static structures (e.g. – buildings) – Machine or implement
Patent
1984-12-21
1986-01-14
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Machine or implement
52293, 52514, E04G 2302, E04D 3700
Patent
active
045638527
ABSTRACT:
A method by which a concrete block foundation wall is strengthened and reinforced. Upper and lower access openings are chiseled in the wall to provide access to a vertical passage formed by aligned cavities in the blocks. A lower anchor bolt is inserted through the lower opening and anchored to the foundation wall footing at the bottom of the passage. An upper bolt is inserted through the upper opening and extended through the wood plate which rests on top of the wall. A nut is threaded onto the upper bolt. A flexible steel cable is inserted into the passage through the upper opening and fastened to the upper bolt at one end and to the lower bolt at the other end. The nut is then tightened on the upper bolt to place the cable in a taut condition. A spacer is inserted through an intermediate opening in the wall and used to deflect the cable to a bowed shape. The passage is then filled with cement to form a vertical column of cement reinforced by the steel cable.
REFERENCES:
patent: 377940 (1888-02-01), Hevner
patent: 1704255 (1929-03-01), Lewis
patent: 2684589 (1954-07-01), Perreton
patent: 3537220 (1970-11-01), Ellis
patent: 4353194 (1982-11-01), Norton
patent: 4452028 (1984-06-01), Norton et al.
Achtenberg Irving
Fleck Otto W.
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