TOP-DOWN CONSTRUCTION METHOD FOR MULTI-STOREY BASEMENT WITH FULL STEEL STRUCTURE

A top-down construction method for a multi-storey basement with a full steel structure is provided, including: S1, constructing a diaphragm wall permanent structure; S2. conducting an open excavation, then constructing a first layer structural beam and slab; S3. conducting an underground excavation...

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Bibliographische Detailangaben
Hauptverfasser:	Wu, Caihui, Chen, Bin, Peng, Hailiang, Wen, Weimin, Deng, Xiaolu, Wang, Xiuyi
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING CEILINGS EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FLOORS FOUNDATIONS GENERAL BUILDING CONSTRUCTIONS HYDRAULIC ENGINEERING INSULATION OR OTHER PROTECTION OF BUILDINGS ROOFS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	A top-down construction method for a multi-storey basement with a full steel structure is provided, including: S1, constructing a diaphragm wall permanent structure; S2. conducting an open excavation, then constructing a first layer structural beam and slab; S3. conducting an underground excavation on an underground second layer earthwork, then constructing structural beam and slab and vertical shear wall on underground first layer; S4. excavating earthworks from an underground third layer to an underground N−1 layer, and constructing structural beams and slabs and vertical shear walls; S5. conducting the underground excavation on an underground N layer earthwork, and constructing a two-span structural steel beam; S6. conducting the underground excavation on earthworks of bottom plate layer, constructing remaining structural beams and slabs and vertical shear wall; S7. conducting the underground excavation on earthworks of bearing platform and water collection well; S8. constructing earth intakes of the podium and the basement.