Top-down construction method and structure for beam-column joints in foundation pit

The invention discloses a top-down construction method and structure for beam-column joints in a foundation pit. The top-down construction method comprises the steps that an upper annular plate and alower annular plate are welded to a steel pipe; an upper sleeve connector is welded to the upper annu...

Full description

Saved in:
Bibliographic Details
Main Authors LIU KUN, HUANG JIE, ZHANG LEI, SONG DELONG, TANG LIYI, ZHANG SIYUAN, MIAO JINXING
Format Patent
LanguageChinese
English
Published 23.03.2021
Subjects
BUILDING
BUILDING MATERIALS
CEILINGS
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FLOORS
FOUNDATIONS
GENERAL BUILDING CONSTRUCTIONS
HYDRAULIC ENGINEERING
INSULATION OR OTHER PROTECTION OF BUILDINGS
ROOFS
SOIL SHIFTING
STRUCTURAL ELEMENTS
UNDERGROUND OR UNDERWATER STRUCTURES
WALLS, e.g. PARTITIONS
Online AccessGet full text

Cover

More Information
Summary:The invention discloses a top-down construction method and structure for beam-column joints in a foundation pit. The top-down construction method comprises the steps that an upper annular plate and alower annular plate are welded to a steel pipe; an upper sleeve connector is welded to the upper annular plate, and a lower sleeve connector is welded to the lower annular plate; a concrete filled steel tubular column is constructed, the position of a structural beam to be constructed is positioned by monitoring the elevation of the concrete filled steel tubular column, structural beam main reinforcements are constructed, upper-row reinforcements of upper-skin reinforcements of the structural beam main reinforcements are welded on the upper annular plate and extend to the concrete filled steeltubular column, and lower-row reinforcements of the upper-skin reinforcements of the structural beam main reinforcements are connected to the upper sleeve connector through in a threaded mode; a first row of reinforcements of
Bibliography:Application Number: CN202011276732