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Concrete beam for improving torsional bearing capacity

A technology for concrete beams and bearing capacity, applied in the field of concrete beams, to achieve the effects of convenient installation, large tensile stress, and convenient positioning and connection

Active Publication Date: 2018-12-21
ANHUI SAITE NEW BUILDING MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no technical solution for how to improve the torsional bearing capacity in concrete structures in the prior art.

Method used

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  • Concrete beam for improving torsional bearing capacity
  • Concrete beam for improving torsional bearing capacity
  • Concrete beam for improving torsional bearing capacity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: as Figure 1-2 As shown, a prefabricated concrete beam or column is embedded with steel reinforced members in the concrete beam and column, and its manufacturing method includes:

[0025] First, prepare components: steel reinforced components, which include basic steel and four U-shaped channel steels 1-1, 1-2, 1-3, and 1-4; the basic steel uses I-beam, and the upper flange 2-1, the lower flange 2-2, and the web 3, the structure of the upper flange 2-1 and the lower flange 2-2 are the same;

[0026] Second, insert 4 U-shaped channel steels into the four corners of the upper flange and the lower flange of the foundation steel. Bolt holes are preset between the U-shaped channel steel and the flanges of the basic steel. The U-shaped channel steel and the foundation The bolt holes of the flange of the section steel are aligned, and the two are fixed by the bolt and nut assembly 1-5; a channel 4 for passing prestressed tendons is formed between the U-shaped ch...

Embodiment 2

[0030] Embodiment 2 is different from Embodiment 1 in that: the basic shape steel adopts "II" shape steel.

Embodiment 3

[0031] Embodiment 3: as image 3 As shown, a prefabricated concrete beam or column, the foundation steel is embedded in the beam or column, and its construction steps are as follows:

[0032] First, prepare components: shaped steel reinforced components, which include basic shaped steel and four U-shaped channel steels 1-1, 1-2, 1-3, 1-4; the basic shaped steel adopts I-shaped steel, and the upper flange 2- 1. Composed of lower flange 2-2 and web 3, the structure of upper flange 2-1 and lower flange 2-2 is the same; vertical Steel pipes 1-7, the two ends of the vertical steel pipe protrude from the flange, the height of the vertical steel pipe is greater than the thickness of the flange, and the vertical steel pipe is hollow; the distance between the vertical steel pipes is 15-50cm;

[0033] Second, insert 4 U-shaped channel steels into the four corners of the upper flange and the lower flange of the foundation steel. Bolt holes are preset between the U-shaped channel steel a...

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Abstract

The invention relates to a concrete beam for improving torsional bearing capacity. A section steel reinforcing member is embedded into the concrete beam along the whole longitudinal direction, and comprises foundation section steel and U-shaped channel steel, wherein the foundation section steel comprises an upper flange, a lower flange and a web plate; the U-shaped channel steel is fixedly arranged at the corners of flanges of the foundation section steel and is arranged along the whole length direction of the foundation section steel; a hole passage for the penetrating of pre-stress bars isformed between the U-shaped channel steel and each flange, and the pre-stress bars are arranged in each hole passage. By adopting the structure, the concrete beam has the advantage that the bending bearing capacity and torsional bearing capacity of the concrete beam can be simultaneously improved.

Description

technical field [0001] The patent of the invention belongs to the field of construction engineering, and in particular relates to a concrete beam with improved torsional bearing capacity. Background technique [0002] Application number "2016100206893" discloses a prestressed assembled frame joint structure and its construction method: I-beams are pre-embedded at the end of prefabricated reinforced concrete beams, and channels are provided in the flanges and / or webs of I-beams. , the channel is used for the embedding of unbonded prestressed tendons, and the surface of the I-beam is also provided with protrusions protruding from the concrete beam; the prefabricated concrete column is provided with a steel plate on the side opposite to the beam, and the steel plate is provided with a pass-through The second channel for bonding the prestressed tendons and the jack matched with the protrusions, the positions of the second channel and the first channel correspond to each other, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/32E04C3/34E04C3/293
CPCB28B23/022E04C3/293E04C3/32E04C3/34E04G21/00
Inventor 梁亮
Owner ANHUI SAITE NEW BUILDING MATERIALS CO LTD
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