Tunnel construction reinforced steel structure beam-column joint and installation method thereof

Abstract

The application relates to the technical field of tunnel construction, in particular to a reinforced steel structure beam-column joint for tunnel construction and a mounting method thereof. The reinforced steel structure beam-column joint comprises an upper beam frame, the bottom of the upper beam frame is provided with three first I-shaped steel, the opposite side of two first I-shaped steel is provided with a second I-shaped steel, and the top of the second I-shaped steel is fixedly connected with a first reinforcing rib plate. The application has the advantages of stable support and good buffering effect. In actual use, the first I-shaped steel, the second I-shaped steel and the first reinforcing rib plate and other components cooperate with each other to form a stable frame structure, the force borne by the upper beam frame can be effectively transmitted through the second I-shaped steel, the stability of the whole structure is enhanced, the tunnel is prevented from collapsing, and the telescopic rod in the supporting mechanism can be compressed to slow down the impact force when the tunnel inside vibrates, thereby providing additional support for the whole steel structure beam-column joint, avoiding the deformation or damage of the structure due to vibration, and further improving the stability of the structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel construction, in particular to a reinforced steel structure beam-column joint for tunnel construction and a mounting method thereof. BACKGROUND

[0002] Tunnel construction is a key link of underground engineering construction, which has high technical difficulty and high risk. The core goal is to safely and efficiently pass through complex geological conditions and build a stable underground space structure. Tunnel construction needs to fully adapt to the geological environment. Faults, karst caves, soft surrounding rock and other adverse geological conditions are the core basis for technical decision-making. For example, in karst development areas, the distribution of karst caves needs to be explored in advance, and grouting reinforcement or crossing treatment measures need to be taken. Construction faces major risks such as landslides, water inrush, gas explosions, etc. A risk prevention and control system must be built through advanced geological prediction, real-time monitoring and measurement, and emergency plan drills.

[0003] The existing steel structure beam-column joint has many structural shortcomings. The connection and constraint between its components are insufficient, making it difficult to maintain a stable posture when subjected to external forces. It is prone to shaking and deformation. Due to poor overall structural stability, it cannot withstand the pressure exerted on the tunnel above, and thus cannot provide stable and reliable support for the tunnel, which undoubtedly greatly increases the risk of tunnel collapse. Not only that, when the tunnel vibrates, the beam-column joint lacks the ability to effectively adjust itself to maintain stability, and its support stability will decrease sharply, making it difficult to continuously ensure the safety of the tunnel. Moreover, the beam-column joint does not have a corresponding compression mechanism to absorb and disperse the impact force generated by the vibration, resulting in the impact force acting directly on the structure itself, which cannot be effectively buffered. Under the direct action of the impact force without any buffering protection, the components of the beam-column joint are prone to damage due to excessive stress, which not only affects its normal use, but also poses a serious threat to the safety of the entire structure. SUMMARY

[0004] The present application aims to provide a reinforced steel structure beam-column joint for tunnel construction and a mounting method thereof, which has the advantages of stable support and good buffering effect, and solves the problems raised in the background art.

[0005] In order to achieve the above object, the present application provides the following technical scheme: a tunnel construction reinforced steel structure beam column joint, comprising an upper beam frame, the bottom of the upper beam frame is provided with three first I-shaped steel, the opposite side of two first I-shaped steel is provided with a second I-shaped steel, the top of the second I-shaped steel is fixedly connected with a first reinforcing rib plate, the top of the first reinforcing rib plate is fixedly connected with the upper beam frame, the two sides of the second I-shaped steel are fixedly connected with two first wedge-shaped blocks, the bottom of the second I-shaped steel is fixedly connected with a bottom plate, the bottom of the bottom plate is fixedly connected with a support block, the front side and the rear side of the first I-shaped steel are provided with a support mechanism.

[0006] The front side and the rear side of the first I-shaped steel are provided with two movable plates, one side of the movable plate is fixedly connected with a second wedge-shaped block, one side of the second wedge-shaped block penetrates to the outside of the first I-shaped steel, one side of the second wedge-shaped block is slidably connected with a T-shaped block, one side of the T-shaped block is fixedly connected with the first wedge-shaped block, the opposite side of the two movable plates is provided with a partition plate, one side of the partition plate is fixedly connected with the first I-shaped steel, and the two sides of the partition plate are provided with two buffer mechanisms.

[0007] Further, as a preferred embodiment of the present application, the support mechanism comprises a connecting plate fixedly connected to one side of the support block, the front side and the rear side of the first I-shaped steel are fixedly connected with a fixed block, the top of the fixed block is fixedly connected with a telescopic rod, the output end of the telescopic rod is fixedly connected with a square plate, one side of the square plate penetrates to the outside of the first I-shaped steel and is fixedly connected with the connecting plate.

[0008] Further, as a preferred embodiment of the present application, the buffer mechanism comprises a guide rod fixedly connected to the two sides of the partition plate, the surface of the guide rod is slidably connected with two guide blocks, the surface of the guide rod is sleeved with a spring, the two ends of the spring are fixedly connected with the guide blocks, the surface of the guide block is fixedly connected with a first connecting piece, the inner cavity of the first connecting piece is rotatably connected with an adjusting block, the other end of the adjusting block is rotatably connected with a second connecting piece, one side of the second connecting piece is fixedly connected with the movable plate.

[0009] Further, as a preferred embodiment of the present application, the guide block and the spring constitute a telescopic structure, and the maximum moving distance of the guide block is equal to the deformation amount of the spring.

[0010] Further, as a preferred embodiment of the present application, the two sides of the partition plate are provided with a sliding groove, the inner cavity of the sliding groove is slidably connected with a sliding block, one side of the sliding block is fixedly connected with the guide block.

[0011] Further, as a preferred embodiment of the present application, the two sides of the first I-shaped steel are fixedly connected with a triangular block, and the triangular block is located at the bottom of the second wedge-shaped block.

[0012] Further, as a preferred, the top of the support block is fixedly connected with a plurality of second reinforcing rib plates, and the top of the second reinforcing rib plate is fixedly connected with the second I-shaped steel.

[0013] Further, as a preferred, the opposite side of the two movable plates is provided with a short rod, and the two ends of the short rod are penetrated to the outside of the movable plate and fixedly connected with the first I-shaped steel.

[0014] A tunnel construction reinforced steel structure beam-column joint and a mounting method thereof, the method comprising the following steps:

[0015] Step one: place the first I-shaped steel in the designated position, then fix the second I-shaped steel between the two first I-shaped steels by welding, so that the connection between the plurality of first I-shaped steels is more stable, then place the upper beam frame on the top of the tunnel and fix it by the first reinforcing rib plate, so as to support the inside of the tunnel and prevent the tunnel from collapsing.

[0016] Step two: when the inside of the tunnel vibrates, the upper beam frame can effectively absorb the impact force, and the upper beam frame transmits the impact force to the second I-shaped steel through the first reinforcing rib plate, so that the second I-shaped steel vibrates slightly, and at the same time, the second I-shaped steel drives the first wedge-shaped block and the bottom plate to move downward, the bottom plate drives the connecting plate to move downward through the support block, the connecting plate drives the square plate to move, and the square plate drives the telescopic rod to compress, so as to effectively slow down the impact force.

[0017] Step three: the first wedge-shaped block drives the second wedge-shaped block to move into the inside of the first I-shaped steel through the T-shaped block when moving, the second wedge-shaped block drives the movable plate to move, and the movable plate drives the second connecting piece to move when moving, the second connecting piece drives one end of the adjusting block to move, so that the other end of the adjusting block drives the first connecting piece to move, the first connecting piece drives the guide block to slide on the surface of the guide rod, and the guide block drives the spring to stretch when sliding, so as to effectively slow down the impact force caused by vibration again, and enhance the buffering capacity of the steel structure beam-column joint to vibration.

[0018] Beneficial effects, the technical scheme of the present application has the following technical effects: the application has the advantages of stable support and good buffering effect. In actual use, the first I-shaped steel, the second I-shaped steel and the first reinforcing rib plate and other components cooperate with each other to form a stable frame structure, so that the force received by the upper beam frame can be effectively transmitted through the second I-shaped steel, thereby enhancing the stability of the entire structure, preventing the tunnel from collapsing, and the telescopic rod in the support mechanism can slow down the impact force by compression when the tunnel inside vibrates, thereby providing additional support for the entire steel structure beam column joint, avoiding deformation or damage of the structure due to vibration, further improving the stability of the structure, and the sliding connection of the guide rod and the guide block in the buffering mechanism provides stable guidance for the expansion and contraction of the spring, ensures the accurate play of the buffering effect, and at the same time, the maximum moving distance of the guide block is equal to the deformation amount of the spring, accurately controls the buffering range, and improves the buffering effect.

[0019] It should be understood that all combinations of the aforementioned concepts and additional concepts described in greater detail below can be seen as part of the subject matter of the present disclosure as long as such concepts are not mutually contradictory. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are included to provide a further understanding of the application, and constitute a part of the specification, illustrate the application, and are used to explain the application together with the embodiments of the application, and do not constitute a limitation on the application. In the drawings:

[0021] Figure 1 is a schematic view of the three-dimensional structure of the present application;

[0022] Figure 2 is a schematic view of the structure of the second I-shaped steel, the bottom plate, the support block and the support mechanism of the present application;

[0023] Figure 3 is a schematic view of the structure of the support mechanism, the movable plate, the second wedge-shaped block and the T-shaped block of the present application;

[0024] Figure 4 is a schematic view of the structure of the movable plate, the partition plate and the buffering mechanism of the present application;

[0025] Figure 5 is a sectional view of the structure of the movable plate, the partition plate and the buffering mechanism of the present application.

[0026] In the drawings, the meanings of the reference signs are as follows: 1, upper beam frame; 2, first I-beam; 3, second I-beam; 4, first reinforcing plate; 5, first wedge-shaped block; 6, bottom plate; 7, supporting block; 8, supporting mechanism; 81, connecting plate; 82, fixing block; 83, telescopic rod; 84, square plate; 9, short rod; 10, movable plate; 11, second wedge-shaped block; 12, T-shaped block; 13, partition plate; 14, buffer mechanism; 141, guide rod; 142, guide block; 143, spring; 144, first connecting piece; 145, adjusting block; 146, second connecting piece; 15, sliding groove; 16, sliding block; 17, triangular block; 18, second reinforcing plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. In order to better understand the technical content of the present application, specific embodiments are described below and the accompanying drawings are described as follows. In the present disclosure, aspects of the present application are described with reference to the accompanying drawings, which show many illustrative embodiments. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of a variety of ways. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0028] As shown in the accompanying Figure 1 to the accompanying Figure 5 : The present embodiment provides a tunnel construction reinforced steel structure beam-column joint, which comprises an upper beam frame 1, the bottom of the upper beam frame 1 is provided with three first I-beams 2, the opposite side of two first I-beams 2 is provided with a second I-beam 3, the top of the second I-beam 3 is fixedly connected with a first reinforcing plate 4, the top of the first reinforcing plate 4 is fixedly connected with the upper beam frame 1, the two sides of the second I-beam 3 are fixedly connected with two first wedge-shaped blocks 5, the bottom of the second I-beam 3 is fixedly connected with a bottom plate 6, the bottom of the bottom plate 6 is fixedly connected with a supporting block 7, and the front side and the rear side of the first I-beam 2 are both provided with a supporting mechanism 8.

[0029] The front side and the rear side of the first I-beam 2 are both provided with two movable plates 10, one side of the movable plate 10 is fixedly connected with a second wedge-shaped block 11, one side of the second wedge-shaped block 11 penetrates to the outside of the first I-beam 2, one side of the second wedge-shaped block 11 is slidingly connected with a T-shaped block 12, one side of the T-shaped block 12 is fixedly connected with the first wedge-shaped block 5, the opposite side of the two movable plates 10 is provided with a partition plate 13, one side of the partition plate 13 is fixedly connected with the first I-beam 2, and the two sides of the partition plate 13 are both provided with two buffer mechanisms 14.

[0030] Specifically, the supporting mechanism 8 comprises a connecting plate 81 fixedly connected to one side of the supporting block 7, and a fixed block 82 fixedly connected to the front side and the rear side of the first I-beam 2, and a telescopic rod 83 fixedly connected to the top of the fixed block 82, and a square plate 84 fixedly connected to the output end of the telescopic rod 83, and the square plate 84 is penetrated to the outside of the first I-beam 2 and fixedly connected with the connecting plate 81.

[0031] In this embodiment, the supporting mechanism 8 can effectively slow down the impact force from above, enhance the resistance of the whole steel structure beam-column joint to vibration impact, and improve the safety during tunnel construction.

[0032] Specifically, the buffering mechanism 14 comprises a guide rod 141 fixedly connected to both sides of the partition plate 13, two guide blocks 142 slidingly connected to the surface of the guide rod 141, a spring 143 sleeved on the surface of the guide rod 141, both ends of the spring 143 fixedly connected with the guide blocks 142, a first connecting piece 144 fixedly connected to the surface of the guide blocks 142, an adjusting block 145 rotatably connected in the inner cavity of the first connecting piece 144, a second connecting piece 146 rotatably connected to the other end of the adjusting block 145, and the second connecting piece 146 fixedly connected to the movable plate 10 on one side.

[0033] In this embodiment, the buffering mechanism 14 can effectively slow down the impact force caused by vibration, enhance the buffering capacity of the steel structure beam-column joint to vibration, and ensure that the whole steel structure beam-column joint can operate stably when subjected to vibration impact.

[0034] Specifically, the guide blocks 142 and the spring 143 form an extension structure, and the maximum moving distance of the guide blocks 142 is equal to the deformation amount of the spring 143.

[0035] In this embodiment, when vibration impact occurs inside the tunnel, the movement of the guide blocks 142 can drive the spring 143 to stretch or compress, convert the impact energy into elastic potential energy of the spring 143, maximally absorb the vibration energy, and effectively reduce the damage of the impact force to the steel structure beam-column joint and the tunnel structure.

[0036] Specifically, the partition plate 13 is provided with a sliding groove 15 on both sides, and the inner cavity of the sliding groove 15 is slidingly connected with a sliding block 16, and one side of the sliding block 16 is fixedly connected with the guide block 142.

[0037] In this embodiment, the cooperation of the sliding groove 15 and the sliding block 16 plays a role in limiting the guide blocks 142, and improves the stability of the guide blocks 142 when moving.

[0038] Specifically, the first I-beam 2 is fixedly connected with a triangular block 17 on both sides, and the triangular block 17 is located at the bottom of the second wedge-shaped block 11.

[0039] In this embodiment: through the setting of the triangular block 17, the second wedge-shaped block 11 can be provided with additional support to prevent deformation or displacement of the second wedge-shaped block 11 due to excessive force, thereby enhancing the stability of the entire steel structure beam column joint.

[0040] Specifically, the top of the support block 7 is fixedly connected with a plurality of second reinforcing rib plates 18, and the top of the second reinforcing rib plate 18 is fixedly connected with the second I-beam 3.

[0041] In this embodiment: through the setting of the second reinforcing rib plate 18, a more stable connection structure is formed, which can effectively enhance the connection strength between the support block 7 and the second I-beam 3 in complex stress environment such as tunnel construction, so that the entire steel structure beam column joint has higher stability when bearing the pressure transmitted from the upper beam frame 1 and various forces possibly generated inside the tunnel, preventing the structure from deforming or being damaged.

[0042] Specifically, the opposite side of the two movable plates 10 is provided with a short rod 9, and the two ends of the short rod 9 penetrate to the outside of the movable plate 10 and are fixedly connected with the first I-beam 2.

[0043] In this embodiment: through the setting of the short rod 9, the shaking range of the movable plate 10 can be effectively limited, so that its movement is more stable and orderly, avoiding excessive displacement or inclination of the movable plate 10, and enhancing the stability of the movable plate 10 itself.

[0044] A reinforced steel structure beam column joint for tunnel construction and its installation method, the method comprising the following steps:

[0045] Step one: place the first I-beam 2 in the designated position, then fix the second I-beam 3 between the two first I-beams 2 by welding method, so that the connection between the plurality of first I-beams 2 is more stable, then place the upper beam frame 1 on the top of the tunnel and fix it by the first reinforcing rib plate 4, so as to support the inside of the tunnel and prevent the tunnel from collapsing.

[0046] Step two: when the inside of the tunnel vibrates, the upper beam frame 1 can effectively absorb the impact force, and the upper beam frame 1 transmits the impact force to the second I-beam 3 through the first reinforcing rib plate 4, so that the second I-beam 3 vibrates slightly, and at the same time the second I-beam 3 drives the first wedge-shaped block 5 and the bottom plate 6 to move downward, the bottom plate 6 drives the connecting plate 81 to move downward through the support block 7, the connecting plate 81 drives the square plate 84 to move, and the square plate 84 drives the telescopic rod 83 to compress, thereby effectively reducing the impact force.

[0047] Step three: the first wedge-shaped block 5 in the movement will drive the second wedge-shaped block 11 to move to the inside of the first I-shaped steel 2 through the T-shaped block 12, the second wedge-shaped block 11 drives the movable plate 10 to move, the movable plate 10 in the movement will drive the second connecting piece 146 to move, the second connecting piece 146 drives one end of the adjusting block 145 to move, so that the other end of the adjusting block 145 drives the first connecting piece 144 to move, the first connecting piece 144 drives the guide block 142 to slide on the surface of the guide rod 141, the guide block 142 in the sliding will drive the spring 143 to stretch, so that the impact force caused by the vibration can be effectively slowed down again, and the buffering capacity of the steel structure beam column joint to the vibration is enhanced.

[0048] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions.

[0049] Although the present application has been disclosed in connection with the preferred embodiments thereof, it should be understood that many modifications, substitutions, and alterations can be made by those skilled in the art without departing from the spirit and scope of the present application. Accordingly, the present application is not intended to be limited to the foregoing preferred embodiments.

Claims

1. A reinforced steel structure beam-column joint for tunnel construction, comprising an upper beam frame (1), characterized in that: The bottom of the upper beam frame (1) is provided with three first I-beams (2), and a second I-beam (3) is provided on the opposite side of the two first I-beams (2). The top of the second I-beam (3) is fixedly connected with a first reinforcing rib plate (4). The top of the first reinforcing rib plate (4) is fixedly connected to the upper beam frame (1). Two first wedge blocks (5) are fixedly connected to both sides of the second I-beam (3). The bottom of the second I-beam (3) is fixedly connected with a base plate (6). The bottom of the base plate (6) is fixedly connected with a support block (7). Support mechanisms (8) are provided on the front and rear sides of the first I-beam (2). Two movable plates (10) are provided on the front and rear sides of the first I-beam (2). A second wedge block (11) is fixedly connected to one side of the movable plate (10). One side of the second wedge block (11) extends to the outside of the first I-beam (2). A T-shaped block (12) is slidably connected to one side of the second wedge block (11). One side of the T-shaped block (12) is fixedly connected to the first wedge block (5). A partition (13) is provided on the opposite side of the two movable plates (10). One side of the partition (13) is fixedly connected to the first I-beam (2). Two buffer mechanisms (14) are provided on both sides of the partition (13). The support mechanism (8) includes a connecting plate (81) fixedly connected to one side of the support block (7). The front and rear sides of the first I-beam (2) are fixedly connected to a fixing block (82). The top of the fixing block (82) is fixedly connected to a telescopic rod (83). The output end of the telescopic rod (83) is fixedly connected to a square plate (84). One side of the square plate (84) extends through to the outside of the first I-beam (2) and is fixedly connected to the connecting plate (81).

2. The reinforced steel beam-column joint for tunnel construction according to claim 1, characterized in that: The buffer mechanism (14) includes a guide rod (141) fixedly connected to both sides of the partition (13). Two guide blocks (142) are slidably connected to the surface of the guide rod (141). A spring (143) is sleeved on the surface of the guide rod (141). Both ends of the spring (143) are fixedly connected to the guide block (142). A first connector (144) is fixedly connected to the surface of the guide block (142). An adjusting block (145) is rotatably connected to the inner cavity of the first connector (144). A second connector (146) is rotatably connected to the other end of the adjusting block (145). One side of the second connector (146) is fixedly connected to the movable plate (10).

3. A reinforced steel beam-column joint for tunnel construction according to claim 2, characterized in that: The guide block (142) and the spring (143) form a telescopic structure, and the maximum moving distance of the guide block (142) is equal to the deformation of the spring (143).

4. The reinforced steel beam-column joint for tunnel construction according to claim 3, characterized in that: The partition (13) has grooves (15) on both sides, and a slider (16) is slidably connected to the inner cavity of the groove (15). One side of the slider (16) is fixedly connected to the guide block (142).

5. A reinforced steel beam-column joint for tunnel construction according to claim 4, characterized in that: Triangular blocks (17) are fixedly connected to both sides of the first I-beam (2), and the triangular blocks (17) are located at the bottom of the second wedge block (11).

6. A reinforced steel beam-column joint for tunnel construction according to claim 5, characterized in that: The top of the support block (7) is fixedly connected with several second reinforcing ribs (18), and the top of the second reinforcing ribs (18) is fixedly connected to the second I-beam (3).

7. A reinforced steel beam-column joint for tunnel construction according to claim 6, characterized in that: A short rod (9) is provided on one side of the two movable plates (10) opposite to each other. The two ends of the short rod (9) extend through the outside of the movable plate (10) and are fixedly connected to the first I-beam (2).

8. A reinforced steel beam-column joint for tunnel construction according to claim 7, characterized in that: The installation method includes the following steps: Step 1: Place the first I-beam (2) in the designated position, and then fix the second I-beam (3) between the two first I-beams (2) by welding, so that the connection between the multiple first I-beams (2) is more stable. Then place the upper beam frame (1) on the top of the tunnel and fix it by the first reinforcing rib plate (4), so as to support the inside of the tunnel and prevent the tunnel from collapsing. Step 2: When vibration occurs inside the tunnel, the upper beam frame (1) can effectively absorb the impact force. The upper beam frame (1) transmits the impact force to the second I-beam (3) through the first reinforcing rib plate (4), causing the second I-beam (3) to vibrate slightly. At the same time, the second I-beam (3) will drive the first wedge block (5) and the bottom plate (6) to move downward. The bottom plate (6) drives the connecting plate (81) to move downward through the support block (7). The connecting plate (81) drives the square plate (84) to move. The square plate (84) drives the telescopic rod (83) to compress, thereby effectively reducing the impact force. Step 3: When the first wedge block (5) moves, it will drive the second wedge block (11) to move into the interior of the first I-beam (2) through the T-shaped block (12). The second wedge block (11) drives the movable plate (10) to move. When the movable plate (10) moves, it will drive the second connector (146) to move. The second connector (146) drives one end of the adjusting block (145) to move, so that the other end of the adjusting block (145) drives the first connector (144) to move. The first connector (144) drives the guide block (142) to slide on the surface of the guide rod (141). When the guide block (142) slides, it will drive the spring (143) to stretch, thereby effectively reducing the impact force caused by vibration and enhancing the buffering capacity of the steel structure beam-column joint against vibration.

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