Buckle pipe joint for ultra-deep foundation pit support

Abstract

The utility model belongs to the technical field of building construction, and discloses a buckle pipe joint for an ultra-deep foundation pit support, which comprises a plurality of I-shaped steel joints, each I-shaped steel joint comprises a first base plate, a second base plate and a connecting plate, the first base plate is parallel to the second base plate, the connecting plate is connected between the first base plate and the second base plate, and the first base plate is connected with the second base plate. The first substrate and the second substrate are perpendicular to each other; the number of the connecting plates is two, the two connecting plates are arranged in a spaced mode and are parallel to each other, and a containing space is defined by the two connecting plates, the first base plate and the second base plate; the plurality of I-shaped steel joints are connected with one another in the vertical direction, so that the plurality of accommodating spaces of the plurality of I-shaped steel joints jointly form a reinforcing channel, and the reinforcing channel extends in the vertical direction; and the reinforcing piece is configured to be inserted into the reinforcing channel and is in clearance fit with the reinforcing channel, or the reinforcing piece is configured to be separated from the reinforcing channel. The compressive strength of the buckle pipe joint can be enhanced, and the material and construction cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to a pipe clamping joint for ultra-deep foundation pit support. Background Technology

[0002] With the continuous advancement of urbanization, the construction of ultra-deep foundation pits is becoming increasingly common in underground space development. Especially in areas with soft clay soils, the design and construction of the retaining structure for ultra-deep foundation pits face enormous challenges due to the complex soil properties. As the core structure of the foundation pit retaining structure, the stability and waterproofing performance of the diaphragm wall are crucial to the entire construction process. During foundation pit construction, to prevent the collapse of the diaphragm wall section and ensure the wall's airtightness, it is usually necessary to construct a pipe joint within the pit section. This involves using multiple I-beam joints and other materials to connect vertically, forming a continuous support structure. These pipe joints not only effectively connect two sections of the diaphragm wall, ensuring the overall rigidity and stability of the structure, but also effectively seal wall gaps to prevent groundwater infiltration and ensure waterproofing. Furthermore, the pipe joints can also share the wall's self-weight, earth pressure, and seismic loads, improving the overall structural load-bearing capacity.

[0003] I-beam joints, as a common type of pipe coupling, are widely used in foundation pit support. However, I-beam joints also have some significant drawbacks. First, I-beam joints are flexible joints with relatively weak bending resistance, especially in soil environments with low bearing capacity, such as soft clay, where deformation may occur at the joint, affecting the overall quality and stability of the diaphragm wall. Second, I-beam joints require a large amount of steel during the connection process, resulting in higher costs and increasing the overall construction cost.

[0004] Therefore, there is an urgent need to propose a pipe clamping joint for ultra-deep foundation pit protection to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this invention is to provide a pipe clamping joint for ultra-deep foundation pit support, which can enhance the compressive strength of the pipe clamping joint and reduce material and construction costs.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] This utility model provides a pipe clamping joint for ultra-deep foundation pit support, comprising:

[0008] Multiple I-beam joints are provided, each of which includes a first base plate, a second base plate, and a connecting plate. The first base plate and the second base plate are parallel to each other, and the connecting plate is connected between the first base plate and the second base plate and is perpendicular to both the first base plate and the second base plate. Two connecting plates are provided, spaced apart and parallel to each other, and the two connecting plates, together with the first base plate and the second base plate, form an accommodating space. The multiple I-beam joints are connected to each other in a vertical direction, so that the multiple accommodating spaces of the multiple I-beam joints together form a reinforcing channel, and the reinforcing channel extends in a vertical direction.

[0009] The reinforcement component is configured to be inserted into the reinforcement channel and have a clearance fit with the reinforcement channel, or the reinforcement component is configured to be detached from the reinforcement channel.

[0010] In some embodiments, two adjacent I-beam joints are bolted together in the vertical direction, and the two end faces of the two adjacent I-beam joints abut against each other.

[0011] In some embodiments, three I-beam joints are provided, and the three I-beam joints are connected in sequence along the vertical direction. The three I-beam joints are arranged from top to bottom as a first I-beam joint, a second I-beam joint, and a third I-beam joint. Each connecting plate of the second I-beam joint is provided with bolt connection portions at both the upper and lower ends. The bolt connection portions are used to bolt together two adjacent I-beam joints.

[0012] In some embodiments, a first sealing plate is provided at the lower end face of the third I-beam joint, and the first sealing plate is fixedly connected to the two connecting plates of the third I-beam joint, the first base plate and the second base plate.

[0013] In some embodiments, the pipe clamping joint for ultra-deep foundation pit retaining also includes a second sealing plate;

[0014] When the reinforcement component is inserted into the reinforcement channel, the second sealing plate is configured to cover the top surface of the reinforcement component and be interconnected with the first I-beam joint.

[0015] In some embodiments, the top surfaces of the first substrate and the second substrate of the first I-beam joint are both provided with slots, and the second sealing plate is provided with two insertion parts, which can be inserted into the corresponding slots.

[0016] In some embodiments, a handle is provided on the top surface of the second sealing plate.

[0017] In some embodiments, a lifting ring is provided at the top of the reinforcement component for lifting the reinforcement component.

[0018] In some embodiments, the top of the reinforcement member is provided with a mounting groove, and the lifting ring is disposed in the mounting groove.

[0019] In some embodiments, a guide ramp is provided at the bottom edge of the reinforcement.

[0020] The beneficial effects of this utility model are:

[0021] The pipe clamping joint provided by this utility model for ultra-deep foundation pit support, by inserting the reinforcing member into the reinforcement channel with a gap fit between the reinforcing member and the reinforcement channel, allows the reinforcing member to be supported inside the reinforcement channel. This enhances the overall compressive strength of the assembled pipe clamping joint and effectively prevents deformation of the H-beam joint due to compression during external cement pouring. Furthermore, because the reinforcing member provides support inside the reinforcement channel, the thickness distance between the first and second base plates can be reduced during the production of the H-beam joint, thereby effectively reducing the amount of steel used in production. The reinforcing member can also be recycled, effectively reducing material and construction costs. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0023] Figure 1 This is an exploded structural diagram of the pipe fitting from one perspective provided by an embodiment of the present invention;

[0024] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0025] Figure 3 This is a schematic diagram of the structure of the first I-beam joint provided in this embodiment of the utility model;

[0026] Figure 4 This is an exploded structural diagram of the pipe fitting from another perspective provided by an embodiment of the present invention.

[0027] In the picture:

[0028] 1. I-beam joint; 10. Accommodation space; 11. First base plate; 12. Second base plate; 13. Connecting plate;

[0029] 2. Reinforcing component; 21. Mounting slot; 22. Guide slope;

[0030] 3. Bolted connection parts;

[0031] 4. First sealing plate;

[0032] 5. Second sealing plate; 51. Insertion part; 52. Handle;

[0033] 6. Slots;

[0034] 7. Hanging rings. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0037] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0038] In the description of this utility model, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0039] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0040] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0041] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0042] like Figures 1-4 As shown in the figure, this embodiment provides a pipe clamping joint for ultra-deep foundation pit protection, which includes multiple I-beam joints 1 and reinforcement components 2.

[0043] Each H-beam joint 1 includes a first base plate 11, a second base plate 12, and a connecting plate 13. The first base plate 11 and the second base plate 12 are parallel to each other. The connecting plate 13 connects the first base plate 11 and the second base plate 12 and is perpendicular to both the first base plate 11 and the second base plate 12. Two connecting plates 13 are provided, spaced apart and parallel to each other. The two connecting plates 13, together with the first base plate 11 and the second base plate 12, form a receiving space 10. Multiple H-beam joints 1 are interconnected in the vertical direction, so that the multiple receiving spaces 10 of the multiple H-beam joints 1 together form a reinforcing channel, which extends in the vertical direction.

[0044] The reinforcement component 2 is configured to be inserted into the reinforcement channel and have a clearance fit with the reinforcement channel, or the reinforcement component 2 is configured to be detached from the reinforcement channel.

[0045] In practice, when installing pipe couplings on the poured foundation pit section, a crane can be used to move one H-beam coupling 1 to the corresponding position. After placement, the remaining H-beam couplings 1 are stacked and connected to the bottommost H-beam coupling 1, so that multiple H-beam couplings 1 are interconnected vertically. After the multiple H-beam couplings 1 are assembled, a crane is used to insert the reinforcing member 2 into the reinforced channel formed by the assembly of multiple H-beam couplings 1. Then, cement is poured into the outside of the assembled multiple H-beam couplings 1. After the outer section is poured, a crane is used to pull the reinforcing member 2 out of the reinforced channel, that is, to remove the reinforcing member 2 from the reinforced channel, so as to reuse the reinforcing member 2. After the reinforcing member 2 is lifted out, cement is poured into the reinforced channel again to improve the overall strength of the assembled multiple H-beam couplings 1.

[0046] The pipe clamping joint provided in this embodiment for ultra-deep foundation pit support utilizes a reinforcement member 2 inserted into the reinforcement channel with a clearance fit. This allows the reinforcement member 2 to be supported within the reinforcement channel, enhancing the overall compressive strength of the assembled pipe clamping joint and effectively preventing deformation of the H-beam joint 1 due to compression during cement pouring. Furthermore, because the reinforcement member 2 provides support within the reinforcement channel, the thickness distance between the first substrate 11 and the second substrate 12 can be reduced during the production of the H-beam joint 1, effectively reducing the amount of steel used in its production. The reinforcement member 2 is also reusable, effectively lowering material and construction costs.

[0047] It should be noted that in this application, the two directions "up" and "down" are two opposite directions along the vertical direction. In addition, the two directional words "top" and "bottom" that appear when describing the components correspond to "up" and "down" respectively.

[0048] In some embodiments, two adjacent H-beam joints 1 are bolted together in the vertical direction, and the two end faces of the two adjacent H-beam joints 1 abut against each other. That is, the upper end face of the lower H-beam joint 1 is in contact with the lower end face of the upper H-beam joint 1.

[0049] With this setup, multiple I-beam joints 1 can be tightly connected, and the use of bolts makes the connection between I-beam joints 1 more flexible.

[0050] like Figure 1As shown, in some embodiments, three I-beam joints 1 are provided, and the three I-beam joints 1 are connected in sequence along the vertical direction. The three I-beam joints 1 are arranged from top to bottom as the first I-beam joint, the second I-beam joint, and the third I-beam joint. Each connecting plate 13 of the second I-beam joint is provided with bolt connection parts 3 at both the upper and lower ends. The bolt connection parts 3 are used to bolt together two adjacent I-beam joints 1.

[0051] By setting the bolt connection part 3, a tighter and more secure connection can be provided between two adjacent I-beam joints 1. Furthermore, due to the setting of the bolt connection part 3, it is easier to accurately align two adjacent I-beam joints 1, which is conducive to the quick and convenient assembly of the I-beam joints 1 on the construction site.

[0052] like Figure 4 As shown, in some embodiments, a first sealing plate 4 is provided at the lower end face of the third H-beam joint. The first sealing plate 4 is fixedly connected to the two connecting plates 13, the first base plate 11, and the second base plate 12 of the third H-beam joint. With this arrangement, when the third H-beam joint is placed, the first sealing plate 4 can effectively prevent water from the construction area from entering the interior of the third H-beam joint.

[0053] like Figure 1 and Figure 2 As shown, in some embodiments, the pipe clamping joint for ultra-deep foundation pit retaining also includes a second sealing plate 5.

[0054] When the reinforcement component 2 is inserted into the reinforcement channel, the second sealing plate 5 is configured to cover the top surface of the reinforcement component 2 and be interconnected with the first I-beam joint.

[0055] With this configuration, the second sealing plate 5 can isolate the reinforcement member 2 located inside the reinforcement channel from the outside, preventing cement from splashing into the reinforcement channel when cement is poured outside the I-beam joint 1, thus ensuring that the reinforcement member 2 can always be smoothly removed from the reinforcement channel.

[0056] like Figures 1-3 As shown, in some embodiments, the top surfaces of the first substrate 11 and the second substrate 12 of the first I-beam joint are both provided with slots 6, and the second sealing plate 5 is provided with two insertion parts 51, which can be inserted into the corresponding slots 6.

[0057] By setting up a plug-in structure to connect the second sealing plate 5 with the first I-beam joint, the installation of the second sealing plate 5 becomes simpler and faster.

[0058] like Figure 2As shown, in some embodiments, a handle 52 is provided on the top surface of the second sealing plate 5. The handle 52 makes it convenient for the operator to hold and to pick up and put down the second sealing plate 5.

[0059] Optionally, the top surface of the second sealing plate 5 is provided with two handles 52.

[0060] Optionally, the second sealing plate 5 is made of polyethylene material. Polyethylene has good anti-stick properties, which makes it less likely for the second sealing plate 5 to stick to splashed cement, ensuring that the second sealing plate 5 can be easily removed and placed.

[0061] Of course, the number of I-beam joints 1 is not limited to three. In other embodiments, the number of I-beam joints 1 can also be set to other numbers, such as four, five, six, etc., depending on the actual situation.

[0062] like Figure 2 As shown, in some embodiments, a lifting ring 7 is provided on the top of the reinforcement 2, which is used to lift the reinforcement 2. With this configuration, the lifting ring 7 provides a stable and convenient lifting point, allowing the reinforcement 2 to be easily lifted and transported by lifting equipment.

[0063] Optionally, a lifting ring 7 is provided at each of the four top corners of the reinforcement 2.

[0064] Furthermore, the top of the reinforcement 2 is provided with a mounting groove 21, and the lifting ring 7 is disposed in the mounting groove 21.

[0065] By integrating the lifting ring 7 into the mounting groove 21, the overall structure design is more compact, avoiding the extra space occupation caused by the lifting ring 7 protruding from the reinforcement 2, which is conducive to the effective use of space.

[0066] like Figure 4 As shown, in some embodiments, a guide ramp 22 is provided at the bottom edge of the reinforcement member 2. The guide ramp 22 can guide the insertion of the reinforcement member 2, which facilitates the insertion of the reinforcement member 2 into the reinforcement channel more easily and smoothly.

[0067] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A pipe coupling for ultra-deep foundation pit support, characterized in that, include: Multiple I-beam joints (1), each I-beam joint (1) includes a first base plate (11), a second base plate (12) and a connecting plate (13). The first base plate (11) and the second base plate (12) are parallel to each other. The connecting plate (13) is connected between the first base plate (11) and the second base plate (12) and is perpendicular to both the first base plate (11) and the second base plate (12). There are two connecting plates (13), which are spaced apart and parallel to each other. The two connecting plates (13) form a receiving space (10) between the first base plate (11) and the second base plate (12). The multiple I-beam joints (1) are connected to each other in the vertical direction, so that the multiple receiving spaces (10) of the multiple I-beam joints (1) together form a reinforcing channel, which extends in the vertical direction. The reinforcement member (2) is configured to be inserted into the reinforcement channel and have a clearance fit with the reinforcement channel, or the reinforcement member (2) is configured to be detached from the reinforcement channel.

2. The pipe coupling for ultra-deep foundation pit support according to claim 1, characterized in that, Along the vertical direction, two adjacent I-beam joints (1) are bolted together, and the two end faces of the two adjacent I-beam joints (1) abut against each other.

3. The pipe clamping joint for ultra-deep foundation pit support according to claim 2, characterized in that, The I-beam joint (1) is provided in three parts, and the three I-beam joints (1) are connected in sequence along the vertical direction. The three I-beam joints (1) are arranged from top to bottom as the first I-beam joint, the second I-beam joint and the third I-beam joint. Each connecting plate (13) of the second I-beam joint is provided with bolt connection parts (3) at both ends. The bolt connection parts (3) are used to bolt the two adjacent I-beam joints (1).

4. The pipe clamping joint for ultra-deep foundation pit support according to claim 3, characterized in that, A first sealing plate (4) is provided at the lower end face of the third I-beam joint. The first sealing plate (4) is fixedly connected to the two connecting plates (13), the first base plate (11), and the second base plate (12) of the third I-beam joint.

5. The pipe clamping joint for ultra-deep foundation pit support according to claim 4, characterized in that, The pipe coupling used for ultra-deep foundation pit enclosure also includes a second sealing plate (5); When the reinforcement member (2) is inserted into the reinforcement channel, the second sealing plate (5) is configured to cover the top surface of the reinforcement member (2) and be connected to the first I-beam joint.

6. The pipe clamping joint for ultra-deep foundation pit support according to claim 5, characterized in that, The top surfaces of the first base plate (11) and the second base plate (12) of the first I-beam joint are provided with slots (6), and the second sealing plate (5) is provided with two plug-in parts (51), which can be inserted into the corresponding slots (6).

7. The pipe coupling for ultra-deep foundation pit support according to claim 6, characterized in that, The top surface of the second sealing plate (5) is provided with a handle (52).

8. The pipe coupling for ultra-deep foundation pit support according to any one of claims 1 to 7, characterized in that, The top of the reinforcement component (2) is provided with a lifting ring (7), which is used to lift the reinforcement component (2).

9. The pipe clamping joint for ultra-deep foundation pit support according to claim 8, characterized in that, The top of the reinforcement member (2) is provided with a mounting groove (21), and the lifting ring (7) is disposed in the mounting groove (21).

10. The pipe coupling for ultra-deep foundation pit support according to claim 8, characterized in that, The bottom edge of the reinforcement member (2) is provided with a guide slope (22).

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