Pre-embedding-free flexible connection structure of block filler wall and concrete frame structure

Abstract

The utility model discloses a pre-embedding-free flexible connecting structure of a building block infilled wall and a concrete frame structure, which comprises a frame column, the building block infilled wall is clamped into the inner side surface of the frame column, and a first longitudinal positioning groove is arranged on the side surface of the building block infilled wall. U-shaped clamping pieces are fixedly connected to the surfaces of the inner sides of the first longitudinal positioning grooves of the building block infilled wall and fixedly connected to the surfaces of the inner sides of the first longitudinal positioning grooves of the building block infilled wall through bolts, the bolts are arranged in two groups to fixedly install the U-shaped clamping pieces, second longitudinal positioning grooves are formed in the surfaces of the inner sides of the frame columns, and the second longitudinal positioning grooves are formed in the surfaces of the inner sides of the frame columns. The U-shaped clamping pieces are arranged on the outer side of the building block infilled wall, after the building block infilled wall is clamped into the frame columns, the building block infilled wall is clamped and positioned through the U-shaped clamping pieces, buckling and fixing are convenient, installation is stable, after fixing, gaps are filled, buffered and fixed through polystyrene foam, installation and detection are conducted, the mechanism is simple, cost is low, and construction is convenient.

Description

Technical Field

[0001] This utility model relates to the field of flexible connection structures for block infill walls and concrete frame structures without pre-embedding, and more specifically, to a flexible connection structure for block infill walls and concrete frame structures without pre-embedding. Background Technology

[0002] Due to its mature technology, flexible layout, and low cost, the block infill wall frame structure is widely used in low- and mid-rise building structures. Its structural form includes concrete frame columns, frame beams, slabs, and block infill walls, with the infill walls positioned between the frame columns and below the frame beams and slabs. Current codes specify that the connection between the infill walls and the frame can be rigid or flexible. Rigid connections are the most widely used in practical engineering due to their ease of construction and simplicity. However, extensive earthquake damage surveys have revealed that rigid connections between infill walls and frame structures are highly susceptible to brittle failure. This can result in wall deformation and cracking, or even collapse, leading to increased internal forces within the frame structure and shear failure at the column ends, thus affecting the overall structural safety. Flexible connections can reduce the interaction between infill walls and frame structures, thereby reducing the seismic forces on the structure. The "Detailed Construction Drawing of Block Infill Walls" (10SG64-2) proposes two flexible connection schemes: Scheme 1 involves completely separating the infill wall from the frame column; Scheme 2 involves separating the infill wall from the frame column but with horizontal tie bars, filling the gap with plastic material, and using a fixed-end connection at the bottom of the infill wall. However, both of these schemes are prone to causing out-of-plane instability and failure of the infill wall under stress, and the construction process is cumbersome.

[0003] Therefore, there is an urgent need for a flexible connection structure that can reduce or alleviate the stress between the infill wall and the frame structure during an earthquake, while ensuring a reliable connection between the infill wall and the frame structure, and is easy and simple to construct. It is the key to solving the problem of excessive damage to infill walls during earthquakes.

[0004] Among its existing technology patents, such as the authorized announcement number CN218149080U, a flexible connection structure for block infill walls and concrete frame structures without pre-embedding is provided. This structure includes an infill wall, a vertical flexible connection structure, a horizontal flexible connection structure, and a frame beam. The frame beam is located at the upper end of the infill wall, and frame columns are provided on both sides of the infill wall. The vertical flexible connection structure is installed between the block infill wall and the frame columns, and the horizontal flexible connection structure is installed between the infill wall and the frame beam. The vertical flexible connection structure includes a vertical metal U-shaped groove, with a vertical rubber foam board limiting component provided on the inner side of the vertical metal U-shaped groove. A vertical rubber foam board is installed between the vertical metal U-shaped groove and the vertical rubber foam board limiting component. Wall tie bar grooves are provided at the ends of both the vertical metal U-shaped groove and the vertical rubber foam board, and bolt fixing holes are provided in the middle of both the vertical metal U-shaped groove and the vertical rubber foam board. This solves the problem of traditional pre-embedded position offset and improves installation accuracy.

[0005] In the aforementioned patent, multiple sets of large-volume plates are used for positioning and limiting, and then fixed internally with bolts. This makes the installation complex, costly, and inconvenient to construct. Utility Model Content

[0006] To address the problems existing in the prior art, the purpose of this utility model is to provide a flexible connection structure for a block infill wall and a concrete frame structure without pre-embedding. A U-shaped snap-fit ​​is set on the outside of the block infill wall. After it is snapped into the frame column, it is positioned by snapping with the U-shaped snap-fit. It is easy to snap and fix, and the installation is stable. After fixing, the gaps are filled with expanding foam for buffering and fixing. The installation and testing are simple, the mechanism is low in cost, and the construction is convenient.

[0007] To solve the above problems, the present invention adopts the following technical solution.

[0008] A flexible connection structure for a masonry block infill wall and a concrete frame structure without pre-embedding is disclosed. The structure includes a frame column, with a masonry block infill wall inserted into its inner surface. A first longitudinal positioning groove is provided on the side of the masonry block infill wall. A U-shaped fastener is fixedly connected to the inner surface of the first longitudinal positioning groove of the masonry block infill wall. The U-shaped fastener is bolted to the inner surface of the first longitudinal positioning groove of the masonry block infill wall, with two sets of bolts used to secure the U-shaped fastener. A second longitudinal positioning groove is provided on the inner surface of the frame column, and the outer end of the U-shaped fastener is engaged with the inner surface of the second longitudinal positioning groove of the frame column. A foam filling layer is provided between the frame column and the masonry block infill wall. The U-shaped fastener, located on the outer side of the masonry block infill wall, is inserted into the frame column and positioned by the fastener. The fastening and fixing are convenient and stable. After fixing, the gaps are filled and buffered with foam. The structure is simple, low-cost, and easy to construct.

[0009] Furthermore, the inner surface of the frame column is provided with a first interlocking groove, the outer surface of the block infill wall is provided with a second interlocking groove, and the foam filling layer is filled and pressed into the inner surface of the first and second interlocking grooves.

[0010] Furthermore, the second interlocking groove is provided on the outer surfaces of the left and right sides of the block infill wall.

[0011] Furthermore, the first interlocking groove is distributed on the inner end surfaces of the left and right sides of the frame column.

[0012] Furthermore, the first longitudinal positioning groove is distributed on the outer surfaces of both ends of the left and right sides of the block infill wall.

[0013] Furthermore, the second longitudinal positioning groove is distributed on both sides of the inner side of both ends of the frame column.

[0014] Furthermore, the seven sets of U-shaped fasteners are distributed and fixed on the inner surface of the first longitudinal positioning groove. The U-shaped fasteners adopt a U-shaped elastic fastener structure and are made of elastic steel.

[0015] Compared with existing technologies, the advantages of this utility model are:

[0016] (1) A U-shaped clip is installed on the outside of the block infill wall. After it is inserted into the frame column, it is positioned by the U-shaped clip. It is easy to fasten and fix, and the installation is stable. After fixing, the gap is filled with foam to buffer and fix it. The installation and testing are simple, the mechanism is low in cost, and the construction is convenient. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a top sectional view of the overall structure of this utility model;

[0019] Figure 3 This is a view of the block infill wall of this utility model;

[0020] Figure 4 This is an enlarged view of section A of this utility model.

[0021] Explanation of the labels in the diagram:

[0022] 1. Frame column, 2. Block infill wall, 3. First longitudinal positioning groove, 4. U-shaped clip, 40 bolt, 5. Second longitudinal positioning groove, 6. First interlocking groove, 7. Second interlocking groove, 8. Foam filling layer. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1

[0025] Please see Figure 1-4 A flexible connection structure for a masonry block infill wall and a concrete frame structure without pre-embedding is disclosed. The structure includes a frame column 1, with a masonry block infill wall 2 inserted into its inner surface. A first longitudinal positioning groove 3 is provided on the side of the masonry block infill wall 2. A U-shaped fastener 4 is fixedly connected to the inner surface of the first longitudinal positioning groove 3 of the masonry block infill wall 2. The U-shaped fastener 4 is fixedly connected to the inner surface of the first longitudinal positioning groove 3 of the masonry block infill wall 2 by bolts 40, with two sets of bolts 40 arranged to fix the U-shaped fastener 4 in place. The inner surface of the frame column 1 is provided with a second longitudinal positioning groove 5. The outer end surface of the U-shaped snap-fit ​​4 is snapped onto the inner surface of the second longitudinal positioning groove 5 of the frame column 1. A foam filling layer 8 is provided between the frame column 1 and the block infill wall 2. The U-shaped snap-fit ​​is provided on the outside of the block infill wall. After it is snapped into the frame column, it is positioned by snapping with the U-shaped snap-fit. It is easy to snap and fix. It is stable to install. After it is fixed, the gap is filled with foam to buffer and fix it. The installation and testing are simple, the mechanism is low in cost, and the construction is convenient.

[0026] The inner surface of the frame column 1 is provided with a first interlocking groove 6, the outer surface of the block infill wall 2 is provided with a second interlocking groove 7, and the foam filling layer 8 fills and presses the inner surface of the first interlocking groove 6 and the second interlocking groove 7.

[0027] The second interlocking groove 7 is provided on the outer surfaces of the left and right sides of the block infill wall 2;

[0028] The first interlocking groove 6 is distributed on the inner end surface of the left and right sides of the frame column 1;

[0029] The first longitudinal positioning groove 3 is distributed on the outer surfaces of both ends of the left and right sides of the block infill wall 2;

[0030] The second longitudinal positioning groove 5 is distributed on both sides of the inner side of both ends of the frame column 1;

[0031] Seven sets of U-shaped fasteners 4 are distributed and fixed on the inner surface of the first longitudinal positioning groove 3. The U-shaped fasteners 4 adopt a U-shaped elastic fastener structure and are made of elastic steel.

[0032] When in use, a first longitudinal positioning groove 3 is provided on the side of the block infill wall 2. A U-shaped snap-fit ​​4 is fixedly connected to the inner surface of the first longitudinal positioning groove 3 of the block infill wall 2. The U-shaped snap-fit ​​4 is fixedly connected to the inner surface of the first longitudinal positioning groove 3 of the block infill wall 2 by bolts 40 (easy to install). Two sets of bolts 40 are arranged to fix the U-shaped snap-fit ​​4 (stable installation). A second longitudinal positioning groove 5 is provided on the inner surface of the frame column 1. The outer end surface of the U-shaped snap-fit ​​4 is snapped into the inner surface of the second longitudinal positioning groove 5 of the frame column 1, which facilitates snap-fit ​​positioning and fit, and fastening is firm.

[0033] After it is fixed, a foam filling layer 8 is provided in the gap between the frame column 1 and the block infill wall 2; the inner surface of the frame column 1 is provided with a first interlocking groove 6 (the first interlocking groove 6 is distributed on the inner end surface of the left and right sides of the frame column 1), and the outer surface of the block infill wall 2 is provided with a second interlocking groove 7 (the second interlocking groove 7 is located on the outer surface of the left and right sides of the block infill wall 2). The foam filling layer 8 fills and presses into the inner surface of the first interlocking groove 6 and the second interlocking groove 7; it can be filled in the interlocking groove and squeezed and compacted. After filling, the whole structure is stable and can provide buffering. It is easy to construct and has low cost.

[0034] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A pre-embedded free flexible connection structure of a block filler wall and a concrete frame structure, comprising a frame column (1), characterized in that: The inner side surface of the frame column (1) is clamped with a block filler wall (2), the side surface of the block filler wall (2) is provided with a first longitudinal positioning slot (3), the inner side surface of the first longitudinal positioning slot (3) of the block filler wall (2) is fixedly connected with a U-shaped clamping piece (4), the U-shaped clamping piece (4) is fixedly connected at the inner side surface of the first longitudinal positioning slot (3) of the block filler wall (2) through bolts (40), and the bolts (40) are arranged in two groups to fixedly install the U-shaped clamping piece (4), the inner side surface of the frame column (1) is provided with a second longitudinal positioning slot (5), the outer end surface of the U-shaped clamping piece (4) is clamped at the inner side surface of the second longitudinal positioning slot (5) of the frame column (1), and a foaming glue filling layer (8) is arranged between the frame column (1) and the block filler wall (2).

2. The pre-embedded free flexible connection structure of a block filler wall and concrete frame structure according to claim 1, characterized in that: The inner side surface of the frame column (1) is provided with a first engagement groove (6), the outer surface of the block filler wall (2) is provided with a second engagement groove (7), and the foaming glue filling layer (8) is filled and extruded at the inner side surface of the first engagement groove (6) and the second engagement groove (7).

3. The pre-embedded free flexible connection structure of a block filler wall and concrete frame structure according to claim 2, characterized in that: The second engagement groove (7) is arranged on the left and right outer surfaces of the block filler wall (2).

4. The pre-embedded free flexible connection structure of a block filler wall and concrete frame structure according to claim 2, characterized in that: The first engagement groove (6) is arranged on the left and right inner end surfaces of the frame column (1).

5. The pre-embedded free flexible connection structure of a block filler wall and concrete frame structure according to claim 1, characterized in that: The first longitudinal positioning slot (3) is arranged on the outer surfaces of the left and right two ends of the block filler wall (2).

6. The pre-embedded free flexible connection structure of a block filler wall and concrete frame structure according to claim 1, characterized in that: The second longitudinal positioning slot (5) is arranged on the inner sides of the two ends of the frame column (1).

7. The pre-embedded free flexible connection structure of a block filler wall and concrete frame structure according to claim 1, characterized in that: The U-shaped clamping piece (4) is arranged in seven groups on the inner side surface of the first longitudinal positioning slot (3), the U-shaped clamping piece (4) adopts a U-shaped elastic clamping plate structure, adopts an elastic clamping piece, and is made of elastic steel material.

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