Bolted steel bolt prefabricated concrete beam-column mid-side node

Abstract

The invention discloses a bolted steel bolt prefabricated concrete beam-column mid-side node. The bolted steel bolt prefabricated concrete beam-column mid-side node comprises a prefabricated concretecolumn, a prefabricated concrete beam, a connecting steel bar, a column side C-shaped anchor, nuts, end nuts and latch-boards; the upper part of the prefabricated concrete beam end is reserved with anempty groove to form a sinking step, and the lower part is provided with a protruding step; the prefabricated concrete column is on one side of the node area, and the column side C-shaped anchor is provided; when the prefabricated beam is not hoisted, the connecting reinforcing bar is placed in the empty groove; after the lifting is in place, the connecting reinforcing bar passes through the reserved hole of the reinforcing bar, and is pressed to the C-shaped anchor of the column edge; the latch-board is inserted into a reserved latch-board slot; the nuts are screwed to two ends of the connecting reinforcing bar, closely adjacent to the column edge and the sinking step and the protruding step; the end nuts are closely clung to the latch-board. The invention has the advantages of simple installation, high speed, and can transmit the tensile and compressive properties of the steel bar, and has good seismic performance.

Description

technical field [0001] The invention relates to a prefabricated assembled concrete beam-column edge node with a bolt, steel bar and pin, belonging to the field of construction engineering. Background technique [0002] The elements in a precast concrete structure are produced in a factory, and the prefabricated elements are transported to construction for assembly. This construction method can greatly improve the level of mechanized construction, reduce construction personnel, save construction time, speed up construction progress, and reduce construction costs. The development of prefabricated concrete structure is an effective way to realize the industrialization of construction, which can effectively save resources, reduce environmental pollution, and is conducive to improving the modernization level of the national construction industry, and has broad development prospects. [0003] The key to the performance of precast concrete frame structures lies in the connection o...

AI Technical Summary

Problems solved by technology

Post-casting "wet" joints often leave protruding steel bars at the end of precast beams, which seriously affects the efficiency of precast beams and columns hoisting; bolted joints are inconvenient to operate on site, and conventional bolts can only be tensioned, and generally Auxiliary section steel nodes need to be pre-embedded, which affects connection efficiency and performance; welding connection nodes are located in a narrow field, and manual operation is inconvenient, welding quality is difficult to guarantee, and efficiency is low

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