Assembled concrete-filled steel tube frame structure system: Fid-Bau Portal

Assembled concrete-filled steel tube frame structure system

SHEN YONGJIANG / AI TONG / PU WENLEI

The invention discloses an assembled concrete-filled steel tube frame structure system. Beam-column integral prefabricated joints comprise vertically-arranged column connecting sections and horizontally-arranged beam connecting sections, wherein the column connecting sections and the beam connecting sections are composed of steel tubes, and the beam connecting sections are fixed to the column connecting sections; the sides, used for being connected with concrete-filled steel tube beams and concrete-filled steel tube columns, of the column connecting sections and the beam connecting sections serve as connecting ends, the connecting ends of the column connecting sections and the beam connecting sections are hollow to form hollow tube sections used for lap joint, concrete is poured into the other parts of the column connecting sections and the beam connecting sections in advance, and grouting holes are reserved in the hollow tube sections; and the concrete-filled steel tube beams and theconcrete-filled steel tube columns are connected with the connecting ends of the beam connecting sections and the column connecting sections through welding, bolts or connecting pieces respectively, and after connection, concrete is poured into the hollow tube sections through the grouting holes to enable the concrete-filled steel tube beams and the concrete-filled steel tube columns to be connected and fastened to the beam connecting sections and the column connecting sections respectively. The device gives full play to the working characteristics of concrete-filled steel tubes, the bearing capacity and shock resistance of the beams and the columns are remarkably improved, and construction is easy and convenient so that the construction period can be greatly shortened.

一种装配式钢管混凝土框架结构体系，梁柱整体式预制节点包括垂直布设的柱连接段和水平布设的梁连接段，柱连接段和梁连接段均由钢管构成，梁连接段固定在柱连接段上，柱连接段和梁连接段用于与钢管混凝土梁柱连接的一侧为连接端，柱连接段和梁连接段的连接端为空心形成用于搭接的空管段、其余部分内预先灌注有混凝土，空管段上预留有注浆孔，钢管混凝土梁和钢管混凝土柱分别与梁连接段和柱连接段的连接端焊接、螺栓连接或通过连接件连接，连接后通过注浆孔在空管段内灌注混凝土将钢管混凝土梁和钢管混凝土柱分别与梁连接段和柱连接段连接紧固，本装置充分发挥钢管混凝土的工作特点，梁柱的承载能力和抗震能力显著提高，且施工简便可以大大缩短工期。

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