Double-webbed H type steel, and connecting node of double-webbed H type steel and concrete prefabricated slab

A technology for connecting nodes and H-beams, applied in the direction of floor slabs, elongated structural members for load-bearing, structural elements, etc., can solve the problems of the increase of the weight of the H-beam itself, the decrease of the stability of the H-beam, and the low utilization rate of steel. , to solve the problem of anti-corrosion, improve the tensile capacity, and improve the effect of bending resistance

Pending Publication Date: 2018-08-17
李藏柱
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this measure of increasing the section and enhancing the thickness will increase the weight of the H-beam itself. When calculating the force, its own weight needs to be taken into account, so that the section needs to be further enlarged. The final design of the H-beam size is used for In construction, the utilization rate of steel is low, resulting in waste of materials; in addition, the increase of web height will cause the decline of the stability of H-shaped steel, and for H-shaped steel with high height, it is necessary to prevent it during installation. Temporary reinforcement for overturning reduces construction efficiency and increases safety risks

Method used

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  • Double-webbed H type steel, and connecting node of double-webbed H type steel and concrete prefabricated slab
  • Double-webbed H type steel, and connecting node of double-webbed H type steel and concrete prefabricated slab
  • Double-webbed H type steel, and connecting node of double-webbed H type steel and concrete prefabricated slab

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Such as figure 1 As shown, a double-web H-shaped steel includes two flange plates 1 and two web plates 2, the two flange plates 1 are parallel to each other, the two web plates 2 are parallel to each other, and the web plates 2 are vertically fixed on the two Between the two flange plates 1; two webs 2 and two flange plates 1 form a cavity 3. The two flange plates 1 are a first flange plate 11 and a second flange plate 12 . Compared with the H-shaped steel with single web 2 in the prior art, the double web 2 has better torsion resistance and better overall rigidity. When the total thickness of the double-layer web 2 is the same as that of the single-layer web 2, the same bending performance can also be achieved, and the setting of the double-layer web 2 can reduce the weight of the web 2 under the same conditions. height, thereby reducing the amount of steel used.

[0064] Such as figure 2 As shown, further, concrete is poured into the cavity 3 . The concrete pour...

Embodiment 2

[0076] Such as Image 6 and Figure 7 As shown, a connection node between a double-web H-shaped steel and a concrete prefabricated slab includes two prefabricated floor slabs 9 and a double-web H-shaped steel; the double-web H-shaped steel includes a through hole 13 and a first reinforced connecting rod 41; two The prefabricated floor 9 is located on the same side of the first flange plate 11 of the double-web H-shaped steel, and the first post-cast belt 104 is formed between the two prefabricated floor slabs 9, and the first post-cast belt 104 pours concrete; the prefabricated floor 9 is close to the second The end surface of a post-casting belt 104 is provided with lateral connecting ribs 91, a part of which is pre-embedded in the prefabricated floor 9, and a part protrudes from the prefabricated floor 9; the lateral connecting ribs 91 of the two prefabricated floors 9 and The first reinforcing connecting rods 41 of the double-web H-shaped steel are connected to each other....

Embodiment 3

[0080] Such as Figure 8 As shown, a double-web H-shaped steel is different from Embodiment 1 in that the two ends of one flange plate 1 are bent outward to form a clamping plate 14 .

[0081] Such as Figure 9 As shown, a connection node between a double-web H-shaped steel and a concrete prefabricated slab includes a prefabricated wall panel 7 and the double-web H-shaped steel described in this embodiment. The double-web H-shaped steel is arranged on the top surface of the prefabricated wall panel 7 , and the two clamping plates 14 clamp the prefabricated wall panel 7 .

[0082] This structure strengthens the connection between the double-web H-shaped steel and the prefabricated wall panel 7, and the structure is more firm.

[0083] Such as Figure 10 As shown, the second embodiment and the two structures in this embodiment can also be combined to form the connection nodes of the prefabricated wall panel 7, the double-web H-shaped steel and the prefabricated floor slab 9, ...

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Abstract

The invention discloses a double-webbed H type steel, and a connecting node of the double-webbed H type steel and a concrete prefabricated slab. The double-webbed H type steel comprises two flange slabs and two webs, wherein the two flange slabs are in parallel; the two webs are in parallel and are perpendicularly and fixedly connected between the two flange slabs; the two webs and the two flangeslabs form a cavity. According to the H type steel, the material consumption can be reduced, and the integrality is good. According to the connecting node of the double-webbed H type steel and the concrete prefabricated slab, the prefabricated slab and a steel structure are connected through a lateral connecting rib, a first reinforced connecting rod and a poste-poured concrete, so that the integrality and the shock resistance of the connecting node are effectively improved.

Description

technical field [0001] The invention relates to a section steel in construction, in particular to a double-web H-section steel and its connecting node with a concrete prefabricated slab. Background technique [0002] At this stage, my country's construction industry is in a period of transformation and development, and prefabricated buildings are the development trend of the future construction industry. At present, H-shaped steel is often used as steel columns and steel beams in steel structure assembly buildings, but when H-shaped steel is used for long spans, the section size is often increased to meet the mechanical performance. Especially when H-shaped steel is used as a steel beam, it is necessary to increase the thickness of the bottom flange plate and the height of the web to enhance its bending resistance, and increase the thickness of the web to enhance its shear and torsion resistance. However, this measure of increasing the section and enhancing the thickness wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/06E04C3/08E04B5/02E04B5/04E04B5/10E04B1/41
CPCE04C3/06E04B1/4157E04B5/023E04B5/04E04B5/10E04C3/083E04C2003/0452
Inventor 李藏柱
Owner 李藏柱
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