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Framework composed of prestressed composite beams of system and construction method thereof

A combined beam and prestressing technology, applied in structural elements, building components, building structures, etc., can solve problems such as complex connection nodes, and achieve the effects of clear force transmission, long durability and high stability

Active Publication Date: 2017-07-14
青岛绿建集成科技有限公司
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Problems solved by technology

[0003] An object of the present invention is to provide a frame composed of internal prestressed composite beams, which is used to solve the problem of connecting internal prestressed I-beams whose flanges are rectangular steel tube concrete to hollow tube concrete composite columns The complexity problem of joint, another object of the present invention is to provide the construction method of the framework that this internal prestressed composite beam constitutes

Method used

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  • Framework composed of prestressed composite beams of system and construction method thereof
  • Framework composed of prestressed composite beams of system and construction method thereof
  • Framework composed of prestressed composite beams of system and construction method thereof

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Embodiment Construction

[0041] Below in conjunction with accompanying drawing, the present invention will be further described:

[0042] combine figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 , Figure 7 , Figure 8 , Figure 9 , Figure 14 , Figure 15 As shown, the frame composed of prestressed composite beams in the body is composed of composite columns 1 and composite beams 2 connected through nodes 3, composite beams 2 are horizontally arranged between composite columns 1, and node 3 is an outer jacket filled with self-compacting concrete 13 Integral node; the jacket integral node includes a node outer tube 6 with an upper connecting ring 4 and a lower connecting ring 5, the upper connecting ring 4 and the lower connecting ring 5 are provided with bolt holes 12, and the upper part of the node outer tube 6 has an upper The reinforced cavity ring plate 7 has a lower reinforced cavity ring plate 8 at the lower part, the upper reinforced cavity ring plate 7 extends hori...

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Abstract

The invention relates to a framework composed of prestressed composite beams of a system and a construction method thereof. The framework composed of the prestressed composite beams of the system is formed by connecting composite columns with the composite beams through joints. The composite beams are horizontally arranged between the composite columns. The joints are outer sleeve integrated joints filled with self-compacting concrete. The composite columns are sectional hollow tubular concrete composite columns. The composite beams are system prestressed honeycombed I beams with flanges being rectangular steel tube concrete. Prestressed tendons arranged in rectangular steel tubes in the lower flanges of the composite beams are located in lower reinforcing cavity annular plates and bypass joint outer tubes. The prestressed tendons are positioned through single-hole positioning plates and double-hole mainpositioning plates with holes and subjected to tensioning anchorage at joint end beams. The self-compacting fine aggregate concrete of the composite beams communicates with self-compacting fine aggregate concrete of the joint end beams. By adoption of the framework, the complexity problem of the connecting joints between the system prestressed I beams with the flanges being made of rectangular steel tube concrete and the hollow tubular concrete composite columns is solved.

Description

technical field [0001] The invention relates to a house frame structure in the field of civil building structures, in particular to a frame composed of internal prestressed composite beams and a construction method thereof. Background technique [0002] In the conventional reinforced concrete frame structure system, the frame joints are mostly reinforced concrete cast-in-place joints. This kind of reinforced concrete joints needs formwork, binding steel bars and then pouring concrete like frame beams and columns. Not only the bearing capacity of the components is low, but the construction period is long. Moreover, the nodes are prone to damage under the action of earthquakes. With the rapid development of the civil construction industry, the concrete-filled steel tube structure has been widely used. The hollow sandwich concrete structure is a new structural form based on the concrete-filled steel tube structure. The hollow sandwich concrete-filled steel tube is formed by pou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/19E04B1/58E04C3/293E04C3/32E04C3/34
CPCE04B1/19E04B1/1903E04B1/58E04C3/293E04C3/32E04C3/34
Inventor 计静张文福郝进锋袁朝庆周利剑陈晓坤
Owner 青岛绿建集成科技有限公司
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