Assembly type concrete vertical component connecting structure convenient to construct and construction method

Abstract

The invention discloses a fabricated concrete vertical component connecting structure convenient to construct and a construction method. Relates to the technical field of concrete assembly, and comprises a plurality of prefabricated parts arranged in the vertical direction, each prefabricated part is internally provided with a plurality of transverse steel bars and longitudinal steel bars, the top of each longitudinal steel bar is provided with an embedded steel connecting piece, and the longitudinal steel bars in each prefabricated part extend out of the bottom of the prefabricated part; the longitudinal steel bars in the upper prefabricated part are inserted into the embedded steel connecting pieces in the lower prefabricated part; the external fastening part assembly comprises a base plate and a bolt, the base plate is arranged at the connecting position of the upper prefabricated part and the lower prefabricated part, a bolt hole is formed in the base plate, and the base plate is installed at the connecting position of the upper prefabricated part and the lower prefabricated part through the bolt. According to the method, the reliability of vertical connection of the assembly type vertical component can be improved, the difficulty of construction and installation and the allowable error value can be greatly improved, and the installation efficiency of the assembly type concrete structure is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of concrete assembly, and more particularly to a conveniently constructed assembled concrete vertical component connection structure and a construction method. Background Art

[0002] With the continuous development of modern construction technology, prefabricated buildings have gradually become an important development direction of the construction industry due to their advantages such as fast construction speed, high efficiency and low environmental impact. As an important part of prefabricated buildings, the connection method of prefabricated concrete vertical components is directly related to the stability and safety of the entire building structure.

[0003] Traditional methods of connecting prefabricated concrete vertical components often have problems such as complex construction and difficult quality control. For example, some traditional connection methods require a lot of wet work on site, such as concrete pouring and curing, which not only increases the difficulty and time cost of construction, but may also affect the strength and durability of the connection.

[0004] Therefore, how to provide a prefabricated concrete vertical component connection structure and construction method that can realize convenient installation and convenient construction of prefabricated concrete vertical components is a problem that technical personnel in this field urgently need to solve. Summary of the invention

[0005] In view of this, the present invention provides a conveniently constructed prefabricated concrete vertical component connection structure and construction method, aiming to solve one of the problems in the above-mentioned background technology and realize the convenient installation of prefabricated concrete vertical components.

[0006] In order to achieve the above object, the present invention adopts the following technical solution:

[0007] A conveniently constructed assembled concrete vertical component connection structure, comprising:

[0008] Prefabricated components, wherein a plurality of the prefabricated components are arranged in the vertical direction, a plurality of transverse steel bars and longitudinal steel bars are arranged in each of the prefabricated components, the plurality of transverse steel bars and longitudinal steel bars are arranged in a staggered manner, a pre-buried steel connector is arranged on the top of each of the longitudinal steel bars, grout is poured into the pre-buried steel connector, the longitudinal steel bars in each of the prefabricated components extend from the bottom of the prefabricated components, and the longitudinal steel bars in the prefabricated components located above are inserted into the pre-buried steel connectors in the prefabricated components located below;

[0009] The external fastening part assembly comprises a pad and bolts, wherein the pad is arranged at the connection position of the upper and lower prefabricated components, the pad is provided with bolt holes, and the pad is installed at the connection position of the upper and lower prefabricated components through the bolts.

[0010] Furthermore, the shape of the embedded steel connector is set to be an inverted trapezoid or an inverted round shape, the interior of the embedded steel connector is set to be hollow, and the longitudinal steel bar is connected to the bottom of the embedded steel connector.

[0011] Furthermore, the connection method between the longitudinal reinforcement and the embedded steel connector is set to be welding or bolt connection.

[0012] Furthermore, the slurry poured into the embedded steel connector is ultra-high performance concrete, high-ductility fiber-reinforced cement-based composite material, geopolymer concrete, concrete, fiber concrete or magnesium phosphate cement-based material.

[0013] Furthermore, reinforcing steel bars are provided on both sides of each of the embedded steel connectors, and the reinforcing steel bars extend into the prefabricated component along the side walls of the embedded steel connectors.

[0014] Furthermore, each of the transverse steel bars is located on the same side of the longitudinal steel bars.

[0015] On the other hand, the present application discloses a construction method of a conveniently constructed assembled concrete vertical component connection structure, based on the conveniently constructed assembled concrete vertical component connection structure described above, specifically comprising the following steps:

[0016] Step 1: Make the embedded steel connector, connect the top of the longitudinal steel bar to the bottom of the embedded steel connector by welding or bolting;

[0017] Step 2: Tie the longitudinal steel bars and transverse steel bars, place the longitudinal steel cage and transverse steel bars in the mold, pour concrete and maintain;

[0018] Step 3: After the concrete curing is completed, the embedded steel connector is filled with slurry, the prefabricated component is hoisted to the bottom of another prefabricated component and positioned, and the longitudinal steel bars in the upper prefabricated component are inserted into the slurry in the embedded steel connector in the lower prefabricated component;

[0019] Step 4: Set a pad at the connection position of the upper and lower prefabricated components to connect them, and maintain the slurry poured on site. After the slurry is cured, choose whether to remove the pad.

[0020] It can be seen from the above technical solution that, compared with the prior art, the present invention discloses a prefabricated concrete vertical component connection structure and construction method that is convenient to construct, which can improve the reliability of the vertical connection of the prefabricated vertical prefabricated components, and can greatly improve the difficulty and error tolerance of construction and installation, thereby improving the installation efficiency of the prefabricated concrete structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0022] Figure 1 An overall view (front view) of the connection of the upper and lower prefabricated components provided by the present invention;

[0023] Figure 2 An overall diagram (side view) of the connection of the upper and lower prefabricated components provided by the present invention;

[0024] Figure 3 A schematic diagram of the structure of the embedded steel connector provided by the present invention;

[0025] Figure 4 A schematic diagram of the connection between the prefabricated component and the embedded steel connector provided by the present invention;

[0026] Figure 5 Concrete pouring and curing of prefabricated components provided by the present invention;

[0027] Figure 6 A schematic diagram of the installation and docking of prefabricated components provided by the present invention;

[0028] Figure 7 A schematic diagram of vertical installation and fastening of upper and lower prefabricated components provided by the present invention;

[0029] Figure 8 This is a schematic diagram of the installation of the reinforcing steel bars provided by the present invention.

[0030] Among them: 1 is a prefabricated component; 2 is a transverse steel bar; 3 is a longitudinal steel bar; 4 is a pre-buried steel connector; 5 is slurry; 6 is a pad; 7 is a bolt; 8 is a reinforcing steel bar; 9 is concrete; 10 is the connection position between the longitudinal steel bar and the pre-buried steel connector. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-8 The embodiment of the present invention discloses a prefabricated concrete vertical component connection structure with quick construction, comprising:

[0033] A prefabricated component 1, wherein a plurality of prefabricated components 1 are arranged in the vertical direction, wherein a plurality of transverse steel bars 2 and longitudinal steel bars 3 are arranged in each prefabricated component 1, wherein the plurality of transverse steel bars 2 and longitudinal steel bars 3 are arranged in a staggered manner, wherein a pre-buried steel connector 4 is arranged on the top of each longitudinal steel bar 3, wherein grout 5 is poured into the pre-buried steel connector 4, wherein the longitudinal steel bars 3 in each prefabricated component 1 extend out from the bottom of the prefabricated component 1, and the longitudinal steel bars 3 in the prefabricated component 1 located at the upper side are inserted into the pre-buried steel connector 4 in the prefabricated component 1 located at the lower side;

[0034] The external fastening part assembly includes a pad 6 and bolts 7. The pad 6 is arranged at the connecting position of the upper and lower prefabricated components 1. The pad 6 is provided with a bolt 7 hole. The pad 6 is installed at the connecting position of the upper and lower prefabricated components 1 through the bolts 7, so that the connection between the upper and lower prefabricated components 1 is more stable.

[0035] In this embodiment, the shape of the embedded steel connector 4 is set to an inverted trapezoid or an inverted circle, the interior of the embedded steel connector 4 is set to be hollow, and the longitudinal steel bar 3 is connected to the bottom of the embedded steel connector 4; the interior of the embedded steel connector 4 is set to be hollow to achieve filling of the interior of the embedded steel connector 4; the setting of the connection position 10 between the longitudinal steel bar 3 and the embedded steel connector 4 can make the connection more stable.

[0036] In this embodiment, the connection method between the longitudinal reinforcement 3 and the embedded steel connector 4 is set to be welding or bolt 7 connection to ensure the reliability of the connection.

[0037] In this embodiment, the slurry 5 poured into the embedded steel connector 4 is ultra-high performance concrete 9, high-ductility fiber-reinforced cement-based composite material, geopolymer concrete 9, concrete 9, fiber concrete 9 or magnesium phosphate cement-based material; the longitudinal steel bars 3 are stably connected to the embedded steel connector 4, thereby achieving a more stable connection between the upper and lower prefabricated components 1.

[0038] In this embodiment, reinforcing steel bars 8 are provided on both sides of each embedded steel connector 4, and the reinforcing steel bars 8 extend into the prefabricated component 1 along the side walls of the embedded steel connector 4, thereby further improving the overall connection performance.

[0039] In this embodiment, each transverse reinforcement 2 is located on the same side of the longitudinal reinforcement 3; installation is convenient and the structure is more stable.

[0040] On the other hand, the present application discloses a construction method of a conveniently constructed assembled concrete 9 vertical component connection structure, based on the above-mentioned conveniently constructed assembled concrete 9 vertical component connection structure, specifically comprising the following steps:

[0041] Step 1: Make a pre-buried steel connector 4, connect the top of the longitudinal steel bar 3 to the bottom of the pre-buried steel connector 4, and connect them by welding or bolts 7;

[0042] Step 2: Tie the longitudinal steel bars 3 and the transverse steel bars 2, place the longitudinal steel bars 3 and the transverse steel bars 2 in a mold, pour concrete 9 and maintain;

[0043] Step 3: After the concrete 9 is cured, the embedded steel connector 4 is filled with slurry 5, the prefabricated component 1 is hoisted to the bottom of another prefabricated component 1 and positioned, and the longitudinal steel bars 3 in the upper prefabricated component 1 are inserted into the slurry 5 in the embedded steel connector 4 in the lower prefabricated component 1;

[0044] Step 4: Set a pad 6 at the connection position of the upper and lower prefabricated components 1 to connect them, and maintain the slurry 5 poured on site. After the slurry 5 is cured, choose whether to remove the pad 6.

[0045] In this embodiment, if Figure 3 As shown, the thickness of the prefabricated component 1 is set to B, the diameter of the longitudinal steel bar 3 is set to R, the height of the embedded steel connector 4 is h, the upper width (or diameter) of the embedded steel connector 4 is d1, the lower width (or diameter) of the embedded steel connector 4 is d2, the steel thickness of the embedded steel connector 4 is dp, and the slope of the embedded steel connector 4 is (d2-d1) / h. The size of d1 is determined according to actual conditions, and it is ensured that d1 is greater than 1.5 times R. The size of d1 can be appropriately selected according to the convenience of construction. The larger d1 is, the greater the allowable error value of construction and installation. d2 is less than the wall thickness minus the thickness of the protective layer. In order to form the resistance of concrete 9 to the pull-out of the connector, d2 is greater than d1, and the slope is set according to actual conditions, which can be 1 / 20 to 1 / 5.

[0046] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0047] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A conveniently constructed assembled concrete vertical component connection structure, characterized in that: include: Prefabricated components, wherein a plurality of the prefabricated components are arranged in the vertical direction, a plurality of transverse steel bars and longitudinal steel bars are arranged in each of the prefabricated components, the plurality of transverse steel bars and longitudinal steel bars are arranged in a staggered manner, a pre-buried steel connector is arranged on the top of each of the longitudinal steel bars, grout is poured into the pre-buried steel connector, the longitudinal steel bars in each of the prefabricated components extend from the bottom of the prefabricated components, and the longitudinal steel bars in the prefabricated components located above are inserted into the pre-buried steel connectors in the prefabricated components located below; The external fastening part assembly comprises a pad and bolts, wherein the pad is arranged at the connection position of the upper and lower prefabricated components, the pad is provided with bolt holes, and the pad is installed at the connection position of the upper and lower prefabricated components through the bolts.

2. The conveniently constructed assembled concrete vertical component connection structure according to claim 1 is characterized in that: The shape of the embedded steel connector is set to be an inverted trapezoid or an inverted round shape, the interior of the embedded steel connector is set to be hollow, and the longitudinal steel bar is connected to the bottom of the embedded steel connector.

3. The conveniently constructed assembled concrete vertical component connection structure according to claim 2 is characterized in that: The connection method between the longitudinal reinforcement and the embedded steel connector is set to be welding or bolt connection.

4. The conveniently constructed assembled concrete vertical component connection structure according to claim 2 is characterized in that: The slurry poured into the embedded steel connector is ultra-high performance concrete, high-ductility fiber-reinforced cement-based composite material, geopolymer concrete, concrete, fiber concrete or magnesium phosphate cement-based material.

5. The conveniently constructed assembled concrete vertical component connection structure according to claim 1 is characterized in that: Reinforcement steel bars are provided on both sides of each of the embedded steel connectors, and the reinforcement steel bars extend into the prefabricated component along the side walls of the embedded steel connectors.

6. The conveniently constructed assembled concrete vertical component connection structure according to claim 1 is characterized in that: Each of the transverse reinforcements is located on the same side of the longitudinal reinforcements.

7. A construction method for a conveniently constructed assembled concrete vertical component connection structure, according to the conveniently constructed assembled concrete vertical component connection structure of claim 3, characterized in that: The following steps are involved: Step 1: Make the embedded steel connector, connect the top of the longitudinal steel bar to the bottom of the embedded steel connector by welding or bolting; Step 2: Tie the longitudinal steel bars and transverse steel bars, place the longitudinal steel cage and transverse steel bars in the mold, pour concrete and maintain; Step 3: After the concrete curing is completed, the embedded steel connector is filled with slurry, the prefabricated component is hoisted to the bottom of another prefabricated component and positioned, and the longitudinal steel bars in the upper prefabricated component are inserted into the slurry in the embedded steel connector in the lower prefabricated component; Step 4: Set a pad at the connection position of the upper and lower prefabricated components to connect them, and maintain the slurry poured on site. After the slurry is cured, choose whether to remove the pad.

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