TOP-DOWN CONSTRUCTION METHOD OF UNDERGROUND BUILDINGS WITH STEEL BEAM
The present invention relates to a top-down construction method for constructing an underground building with a steel beam from the top to the bottom while supporting the back earth pressure of a retaining wall by rigid diaphragm action of a slab, comprising steps of: a) constructing a retaining wal...
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Format: | Patent |
Sprache: | eng ; kor |
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