PROCESS OF BUILDING OF ANTISEISMIC FOUNDATION Russian patent published in 2004 - IPC

FIELD: construction industry. SUBSTANCE: process of building of antiseismic foundation includes formation of bearing pillars with expansion at bottom, grillage connecting their upper parts and replacement of ground around bearing pillars with compliant material. Salient feature of invention lies in formation of bearing pillars by drilling of holes with expansion in bottom part and filling of holes with concrete. Ground around pillars is replaced in their upper parts only after formation of pillars. Vertical fixtures passing through grillage are embedded in holes before concrete is cast and after completion of grillage vertical fixtures are tightened. EFFECT: reduced labor input and expenses for building of antiseismic foundation, construction of foundation without employment of any hoisting and transportation equipment. 2 cl, 7 dwg