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Butt joint connecting structure of precast concrete components

A technology of prefabricated concrete and prefabricated components, which is applied in the direction of building construction and construction, and can solve problems such as the difficulty in ensuring the minimum clear distance of the sleeve, the long time to form the bearing capacity at the connection, and the difficulty in protecting the longitudinal reinforcement to be connected. , to achieve the sustainable development of social economy, the thickness of the protective layer is easy to guarantee, and the effect of improving the level of building industrialization

Inactive Publication Date: 2015-10-14
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a butt joint connection structure of prefabricated concrete members, which solves the problem that the joints of the existing connection methods take too long to form the bearing capacity, the longitudinal reinforcement to be connected is difficult to transport and protect, and the It is difficult to ensure the minimum clear distance of the cylinder and the thickness of the protective layer, and the prestressed connection in the present invention can also solve the problem that the connection interface is easy to crack

Method used

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  • Butt joint connecting structure of precast concrete components
  • Butt joint connecting structure of precast concrete components
  • Butt joint connecting structure of precast concrete components

Examples

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Embodiment 1

[0027] Such as figure 2 As shown, it is a non-floor position connection of columns, the connection objects are prefabricated column one 1-1 and prefabricated column two 2-1, the connection end of prefabricated column one 1-1 is provided with a pit 3-1, and the prefabricated column The connecting end of the second 2-1 is provided with a protrusion 4-1, the protrusion 4-1 is adapted to the transverse shape and size of the pit 3-1, and the protrusion 4-1 is adapted to the longitudinal shape of the pit 3-1 Matching, the longitudinal length of the protrusion 4-1 is greater than the longitudinal depth of the pit 3-1; the longitudinal ribs to be connected of the prefabricated column 1-1 and the prefabricated column 2 2-1 are connected with their respective connecting sleeves by cold extrusion , the corresponding two connecting sleeves are threadedly connected through a connecting screw; after the protrusion 4-1 is inserted into the pit 3-1, it is tightly connected through the cushio...

Embodiment 2

[0030] Such as image 3 , Figure 4 and Figure 5As shown, it is a wall-to-floor position connection, the connection objects are prefabricated shear wall 1-2 and prefabricated shear wall 2 2-2, and the connection end of prefabricated shear wall 1-2 is provided with a groove 3 -2, the connection end of the prefabricated shear wall 2-2 is provided with a protrusion 4-2, the protrusion 4-2 matches the transverse shape and size of the groove 3-2, and the protrusion 4-2 and the groove 3 -2 is compatible with the longitudinal shape, and the longitudinal length of the protrusion 4-2 is greater than the longitudinal depth of the groove 3-2; the longitudinal reinforcements to be connected of the prefabricated shear wall 1-2 and the prefabricated shear wall 2-2 are both Connect with their respective connecting sleeves through cold extrusion, and the corresponding two connecting sleeves are threaded through a connecting screw; after the protrusion 4-2 is inserted into the groove 3-2, i...

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Abstract

The invention discloses a butt joint connecting structure of precast concrete components. The connecting objects are a component I and a component II which are closely connected with each other through a concave pit / a groove and a protrusion which are matched with each other in shape and size and paved with a cushion ply, and meanwhile a rear sealing troughed belt is formed between the two precast concrete components; a connecting mode of 'a longitudinal bar-a sleeve-a connecting rod-a sleeve-a longitudinal bar' is adopted for longitudinal bar connection, connection between the connecting rod and sleeves at the two ends can achieve a prestressed connection effect through a difference between pitches at the two ends. According to the butt joint connecting structure of the precast concrete components, the problems that in existing cast-in-place connection and bed mortar connection, time for forming bearing capacity on the joint is too long, assembly schedule is affected, the difficulty for transporting and protecting longitudinal bars to be connected is great, and minimum clear distance of grout sleeves and thickness of a protection layer is difficult to be guaranteed are solved, and meanwhile the prestressed connection is achieved.

Description

technical field [0001] The invention relates to a butt joint connection structure of prefabricated concrete components, which belongs to construction engineering technology. Background technique [0002] Since the 21st century, with the continuous improvement of people's requirements for living conditions and living environment, the construction industry has developed rapidly. However, the development of the construction industry has caused serious resource consumption and environmental pollution, forcing people to seek a new way out of the construction industry. Building industrialization characterized by prefabricated concrete structures is one of the effective ways to realize housing industrialization and building energy saving and emission reduction. [0003] In prefabricated concrete structures, the connection between components is crucial to the influence of assembly construction performance and service mechanical properties. Summarizing the various connection method...

Claims

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Application Information

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IPC IPC(8): E04B1/38E04B1/58E04B1/61
Inventor 李富民邓天慈华慧娟王江浩罗小雅杨俊
Owner CHINA UNIV OF MINING & TECH
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