Prestressed concrete-filled steel pipe purlin and truss constructed by same

The utility model provides a prestressed concrete-filled steel pipe purlin. A standard section of the purlin comprises an upper chord, a lower chord, three vertical rods and six inclined rods, wherein the purlin is 2.2m high, the single section of the standard section is 6m long, the upper chord and...

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Bibliographic Details
Main Authors TIAN SHIKUAN, YIN BO, WEI JIANJIANG, CUI CHANGHONG, ZHANG QIANG
Format Patent
LanguageChinese
English
Published 31.12.2014
Subjects
ASSEMBLY OF BRIDGES
BUILDING
BUILDING MATERIALS
CONSTRUCTION OF BRIDGES
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
FIXED CONSTRUCTIONS
OR VIADUCTS
STRUCTURAL ELEMENTS
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Summary:The utility model provides a prestressed concrete-filled steel pipe purlin. A standard section of the purlin comprises an upper chord, a lower chord, three vertical rods and six inclined rods, wherein the purlin is 2.2m high, the single section of the standard section is 6m long, the upper chord and the lower chord are of circular steel tubes of phi 200*5mm, concrete is filled in the steel tubes, a circular hole for penetrating a prestressed reinforcement is remained in the center of each steel tube, the vertical rods are of circular steel tubes of phi 120*4mm, concrete is filled in the steel tubes, and the inclined rods are of circular steel tubes of phi 80*4mm. According to a truss formed by the purlins, the standard sections of each two purlins are in butt joint by virtue of purlin joints, the prestressed reinforcements are added in the circular holes in the centers of the upper chords and the lower chords after the standard sections are in butt joint, the standard sections of two lines of purlins are conn
Bibliography:Application Number: CN20142421221U