A method for processing a weak foundation by using a reinforced tunnel grouting steel flower pipe

Abstract

The application relates to the technical field of grouting steel flower pipe equipment, and discloses a treatment method for reinforcing the soft foundation of a tunnel grouting steel flower pipe, which comprises the following steps: step one: using ANSYS / ABAQUS finite element software, a three-dimensional numerical model of a inverted arch, a steel flower pipe and a foundation is established, a steel pole is placed in the steel pipe, the steel pole drives a connecting block to fall, the connecting block drives a reinforcing rod to fall, the reinforcing rod drives a reinforcing plate to fall, the reinforcing plate drives an arc-shaped plate to fall, the reinforcing plate drives a reinforcing spring to fall, under the action of elastic deformation, the reinforcing spring moves to the outside of the conical groove after entering the conical groove, so that the limiting effect is realized, the positioning of the steel pole is strengthened, and the working efficiency of the device is improved; the steel pole drives a clamping ring to fall, and the clamping ring is attached to the inner wall of the top end of the conical groove, so that the limiting effect is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grouting steel flower pipe equipment, in particular to a treatment method for enhancing the soft foundation of a tunnel grouting steel flower pipe. BACKGROUND

[0002] Grouting technology is an extremely important construction method in geotechnical engineering. At present, the commonly used grouting methods in engineering include grouting pipe grouting method, steel flower pipe grouting method and sleeve valve pipe grouting method. Compared with other grouting processes, steel flower pipe grouting not only improves the physical and mechanical properties of rock-soil through grouting, but also plays a role in reinforcing, improving the bearing capacity and anti-sliding capacity of the foundation.

[0003] The existing steel flower pipe grouting is when the lower foundation has a soft stratum that is insufficient to support the construction of the upper open tunnel and the normal use of the tunnel after completion, the lower foundation of the open tunnel needs to be treated to a certain strength, but the existing steel flower pipe grouting construction needs to weld the steel reinforcement of the steel flower pipe and the inverted arch, but in the welding process, the tunnel construction environment and equipment easily lead to the inconvenience of the operator, the annular shape of the steel flower pipe also causes the welding to be only on the outer surface, not on the inside, the welding strength is low, and the work intensity of disassembly is increased after construction, which cannot be quickly disassembled, seriously affecting the construction efficiency, and the inverted arch and the steel flower pipe cannot be quickly locked with the steel mesh for adjustment after being welded together. SUMMARY

[0004] The purpose of the present application is to provide a treatment method for enhancing the soft foundation of a tunnel grouting steel flower pipe to solve the problems raised in the background.

[0005] To solve the above technical problems, the present application is realized by the following technical scheme:

[0006] The present application is a treatment method for enhancing the soft foundation of a tunnel grouting steel flower pipe, comprising the following steps:

[0007] Step one: use ANSYS / ABAQUS finite element software to establish a three-dimensional numerical model of the inverted arch, steel flower pipe and foundation, simulate the stress and deformation changes of the inverted arch, steel flower pipe and foundation under different working conditions, and obtain the maximum load that the upper inverted arch can bear under the allowable deformation condition of the lower foundation through finite element analysis, to provide a reference basis for the design of the inverted arch and steel flower pipe in the early stage and the construction in the later stage;

[0008] Step two: establish a three-dimensional numerical model of the inverted arch, steel flower pipe and foundation, simulate the stress and deformation changes of the inverted arch, steel flower pipe and foundation under different working conditions, and obtain the maximum load that the upper inverted arch can bear under the allowable deformation condition of the lower foundation through finite element analysis, to provide a reference basis for the design of the inverted arch and steel flower pipe in the early stage and the construction in the later stage.

[0009] The processing device used in the processing method of the reinforced tunnel grouting steel flower pipe soft foundation comprises a steel pipe, a plurality of leakage holes are formed in the outer wall of the steel pipe, a conical block is fixedly connected to the inner wall bottom of the steel pipe, a conical groove is formed in the top of the conical block, a supporting plate is fixedly connected to the top of the steel pipe, and a sliding groove is formed in the top of the supporting plate on both sides; the processing device further comprises a rotary falling mechanism, the rotary falling mechanism comprises a plurality of long rods fixedly connected to the top of the conical block, a lifting block is slidably connected to the outer wall middle end of the long rod, a threaded sleeve is threadedly connected to the inner wall of the lifting block, a steel rod is rotatably connected to the inner wall of the threaded sleeve, a reinforcing assembly is arranged at the bottom of the steel rod, a clamping auxiliary mechanism is arranged, the clamping auxiliary mechanism comprises a sliding block slidably connected to the inner wall bottom of the sliding groove, a square block is fixedly connected to the top of the sliding block, a plurality of clamping blocks are fixedly connected to one side of the square block, a threaded sleeve is meshedly connected to the outer wall of the clamping block, and an extension assembly is arranged at one end of the square block.

[0010] Further, the reinforcing assembly comprises a connecting block fixedly connected to the bottom of the steel rod, the steel rod is placed in the steel pipe, the connecting block drives the reinforcing rod to fall, the reinforcing rod drives the reinforcing plate to fall, the reinforcing plate drives the arc-shaped plate to fall, the reinforcing plate drives the reinforcing spring to fall, the reinforcing spring is elastically deformed, and after entering the conical groove, the reinforcing plate moves outward of the conical groove, thereby achieving the limiting effect and strengthening the positioning of the steel rod, thereby improving the working efficiency of the device, the clamping ring falls with the steel rod, and the clamping ring is attached to the inner wall of the top of the conical groove, thereby improving the limiting effect, the outer wall of the connecting block is provided with a plurality of openings, the inner wall of the connecting block is fixedly connected with the reinforcing rod on one side of the middle end, the reinforcing plate is rotatably connected to the outer wall of the reinforcing rod, and the arc-shaped plate is fixedly connected to one end of the reinforcing plate away from the reinforcing rod.

[0011] Further, the arc-shaped plate is slidably connected to the inner wall of the conical groove on the side away from the reinforcing plate, the reinforcing spring is fixedly connected to the top of the reinforcing plate, and one end of the reinforcing spring is fixedly connected to the outer wall of the bottom end of the steel rod on one side.

[0012] Further, the outer wall of the lifting block is provided with a cleaning assembly, the slurry is poured into, the weight of the slurry makes the lifting block fall, the lifting block drives the cleaning ring to fall, in the process of falling, because it is always combined with the inner wall of the steel pipe, so the limiting effect of the steel pipe is strengthened, the cleaning ring drives the cleaning cotton to fall, the cleaning cotton can treat the impurities in the hole of the inner wall of the steel pipe, the lifting block drives the annular capsule to fall, in the process of falling, the annular capsule is extruded, the internal airflow moves, the annular capsule drives the cleaning plate to fall, preventing the air exhaust pipe from being damaged, the annular capsule drives the air exhaust pipe to fall, and the impurities treated by the cleaning cotton are discharged to the outside through the set leakage hole, so that the device is more convenient to work, and the operation of the device is not hindered, the cleaning assembly comprises a cleaning ring fixedly connected to the outer wall of the lifting block, and the cleaning ring is provided with cleaning cotton fixedly connected to the top and the bottom respectively, the outer wall of the cleaning cotton is slidably connected with the inner wall of the steel pipe, the bottom of the lifting block is fixedly connected with an annular capsule on both sides, the bottom of the annular capsule is fixedly connected with a cleaning plate, and a plurality of square holes are formed in the top of the cleaning plate.

[0013] Further, the telescopic assembly comprises a square block fixedly connected to one end of the square block, and the square block is fixedly connected with a gas bag on both ends of the side away from the square block.

[0014] Further, the outer wall of the gas bag is communicated with a circular pipe, one end of the circular pipe is communicated in the inside of the circular shell, the inner wall of the circular shell is slidably connected with a moving plate, and the connecting plate is fixedly connected with a plurality of horizontal plates on the four sides away from the circular shell.

[0015] Further, one side of the moving plate is provided with a clamping assembly, which is limited by the long rod, the lifting block drives the threaded sleeve to rotate, the threaded sleeve drives the screw sleeve to rotate, the screw sleeve drives the clamping block and the square block to move, the square block drives the square plate to move, the square plate drives the gas bag to move, the gas bag is extruded by the reinforcing mesh, the internal airflow moves to the inside of the circular shell through the set circular pipe, the airflow pushes the moving plate, the moving plate drives the first rotating plate to move, the first rotating plate drives the second rotating plate to rotate, the second rotating plate drives the clamping plate to move, so as to realize the rapid locking of the reinforcing mesh, and the clamping assembly comprises a telescopic rod fixedly connected to the center of one side of the moving plate, one end of the telescopic rod penetrates through the square plate and extends to the outside, the end of the telescopic rod away from the moving plate is fixedly connected with a vertical plate, and the two ends of the vertical plate on both sides are rotatably connected with a plurality of first rotating plates.

[0016] Further, the second rotating plate is rotationally connected between the two first rotating plates, one end of the second rotating plate is rotationally connected with a horizontal rod penetrating through the side wall, one end of the horizontal rod is fixedly connected to one side of the horizontal plate, and the other end of the second rotating plate is fixedly connected with a clamping plate.

[0017] The application discloses a processing method for reinforcing a weak foundation by using a steel flower pipe for tunnel grouting.

[0018] Step one: the steel rod is placed in the steel pipe, the connecting block is driven to fall by the steel rod, the reinforcing rod is driven to fall by the connecting block, the reinforcing plate is driven to fall by the reinforcing rod, the arc-shaped plate is driven to fall by the reinforcing plate, the reinforcing spring is driven to fall by the reinforcing plate, and the clamping ring is driven to fall by the steel rod, so that the problem of inaccurate placement of the steel rod is solved.

[0019] Step two: when the steel rod is placed, the slurry is poured, the weight of the slurry drives the lifting block to fall, the cleaning ring is driven to fall by the lifting block, the cleaning cotton is driven to fall by the cleaning ring, the annular capsule is driven to fall by the lifting block, the cleaning plate is driven to fall by the annular capsule, and the deflation pipe is driven to fall by the annular capsule, so that the problem of residual impurities in the steel rod is solved.

[0020] Step three: in the falling process, the threaded sleeve is driven to rotate by the lifting block, the screw sleeve is driven to rotate by the threaded sleeve, the clamping block and the square block are driven to move by the screw sleeve, the square plate is driven to move by the square block, the air bag is driven to move by the square plate, the moving plate is driven to move by the air bag, the first rotating plate is driven to move by the moving plate, the second rotating plate is driven to rotate by the first rotating plate, and the clamping plate is driven to move by the second rotating plate, so that the problem of slow installation is solved.

[0021] The application has the following beneficial effects:

[0022] (1) The steel rod is placed in the steel pipe, the connecting block is driven to fall by the steel rod, the reinforcing rod is driven to fall by the connecting block, the reinforcing plate is driven to fall by the reinforcing rod, the arc-shaped plate is driven to fall by the reinforcing plate, the reinforcing spring is driven to fall by the reinforcing plate, and the clamping ring is driven to fall by the steel rod, so that the problem of inaccurate placement of the steel rod is solved.

[0023] (2) The present application, when the steel rod is placed, the slurry is poured, the weight of the slurry makes the lifting block fall, the lifting block drives the cleaning ring to fall, in the falling process, because it is always attached to the inner wall of the steel pipe, thereby enhancing the limiting effect of the steel rod, the cleaning ring drives the cleaning cotton to fall, the cleaning cotton can treat the impurities in the hole of the inner wall of the steel pipe, the lifting block drives the annular capsule to fall, in the falling process, the annular capsule is extruded, the internal airflow moves, the annular capsule drives the cleaning plate to fall, preventing the air release pipe from being damaged, the annular capsule drives the air release pipe to fall, and the impurities treated by the cleaning cotton are discharged outward through the set hole, so that the device is more convenient to work, and does not hinder the operation of the device.

[0024] (3) In the falling process, the lifting block drives the threaded sleeve to rotate, the threaded sleeve drives the screw sleeve to rotate, the screw sleeve drives the clamping block and the square block to move, the square block drives the square plate to move, the square plate drives the air bag to move, the air bag is extruded by the reinforcing mesh, the internal airflow moves to the inside of the circular shell through the set circular pipe, the airflow pushes the moving plate, the moving plate drives the first rotating plate to move, the first rotating plate drives the second rotating plate to rotate, and the second rotating plate drives the clamping plate to move. The device can quickly lock the inverted arch reinforcing mesh after the inverted arch reinforcing mesh is installed, so that the efficiency of the device is improved, and the cost of work is reduced.

[0025] Of course, implementing any product of the present application does not necessarily require achieving all the advantages described above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creating laborious work.

[0027] Figure 1 It is a schematic diagram of the overall side structure of the present application;

[0028] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present application;

[0029] Figure 3 It is a schematic diagram of the partial half cross-sectional structure of the present application;

[0030] Figure 4 It is a schematic diagram of the overall internal structure of the present application;

[0031] Figure 5 It is a schematic diagram of the reinforcing assembly half cross-sectional structure of the present application;

[0032] Figure 6 Figure 1 is a schematic diagram of a cleaning assembly according to the present application;

[0033] Figure 7 Figure 2 is a schematic diagram of an extension assembly according to the present application;

[0034] Figure 8 Figure 3 is a schematic diagram of a clamping assembly according to the present application.

[0035] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0036] In the drawings, 1 is a steel pipe; 2 is a leakage hole; 3 is a support plate; 4 is a sliding groove; 5 is a rotating and falling mechanism; 6 is a clamping auxiliary mechanism; 7 is a conical block; 8 is a conical groove; 51 is a long rod; 52 is a lifting block; 53 is a threaded sleeve; 54 is a steel rod; 55 is a reinforcing assembly; 56 is a cleaning assembly; 61 is a sliding block; 62 is a square block; 63 is a clamping block; 64 is a threaded sleeve; 65 is an extension assembly; 66 is a clamping assembly; 551 is a connecting block; 552 is a reinforcing rod; 553 is a clamping ring; 554 is a reinforcing plate; 555 is an arc-shaped plate; 556 is a reinforcing spring; 561 is a cleaning ring; 562 is cleaning cotton; 563 is an annular bag; 564 is a cleaning plate; 565 is a square hole; 566 is a deflation pipe; 651 is a square plate; 652 is an air bag; 653 is a circular shell; 654 is a circular pipe; 655 is a moving plate; 656 is a connecting plate; 657 is a cross plate; 661 is an extension rod; 662 is a vertical plate; 663 is a first rotating plate; 664 is a second rotating plate; 665 is a cross rod; and 666 is a clamping plate. DETAILED DESCRIPTION

[0037] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0038] Please refer to Figures 1-8 The present application is a method for processing a soft foundation of a tunnel grouting steel flower pipe, which comprises the following steps:

[0039] Step 1: using ANSYS / ABAQUS finite element software, a three-dimensional numerical model of the inverted arch, steel flower pipe and foundation is established, the stress and deformation changes of the inverted arch, steel flower pipe and foundation under different working conditions are simulated, and the maximum load that can be borne by the upper inverted arch under the allowable deformation condition of the lower foundation is obtained through finite element analysis, thereby providing a reference basis for the design of the inverted arch and steel flower pipe in the early stage and the construction in the later stage;

[0040] Step two: establish the inverted arch, steel pipe, three-dimensional numerical model of foundation, simulate the stress and deformation of inverted arch, steel pipe, foundation under different working conditions, get the maximum load that the upper inverted arch can bear under the allowable deformation of the lower foundation through finite element analysis, provide reference for the design of inverted arch and steel pipe in the early stage and the construction in the later stage.

[0041] The processing device used in the method for enhancing the treatment of soft foundation of tunnel grouting steel pipe comprises a steel pipe 1, a plurality of leakage holes 2 are formed in the outer wall of the steel pipe 1, a conical block 7 is fixedly connected to the inner wall of the bottom of the steel pipe 1, a conical groove 8 is formed in the top of the conical block 7, and a supporting plate 3 is fixedly connected to the top of the steel pipe 1. The device is placed conveniently in this way. Sliding grooves 4 are formed in the top of the two sides of the supporting plate 3. The sliding block 61 moves in this way. The device further comprises:

[0042] A rotating and falling mechanism 5 is fixedly connected to the top of the conical block 7. The rotating and falling mechanism 5 comprises a plurality of long rods 51, a lifting block 52 is slidably connected to the outer wall of the middle end of the long rod 51, a threaded sleeve 53 is threadedly connected to the inner wall of the lifting block 52, a steel rod 54 is rotatably connected to the inner wall of the threaded sleeve 53, and a reinforcing assembly 55 is arranged at the bottom of the steel rod 54.

[0043] A clamping auxiliary mechanism 6 is slidably connected to the inner wall of the bottom of the sliding groove 4. The clamping auxiliary mechanism 6 prevents the square block 62 from sliding and moving in position in this way. The clamping auxiliary mechanism 6 comprises a square block 62 fixedly connected to the top of the sliding block 61, a plurality of clamping blocks 63 fixedly connected to one side of the square block 62, and a screw sleeve 64 meshingly connected to the outer wall of the clamping block 63. The clamping blocks 63 are linked in this way. One end of the square block 62 is provided with an extension assembly 65.

[0044] The reinforcing assembly 55 comprises a connecting block 551 fixedly connected to the bottom of the steel rod 54, the outer wall of the connecting block 551 is provided with a plurality of holes, a reinforcing rod 552 is fixedly connected to the inner wall of the middle end of one side of the connecting block 551, a reinforcing plate 554 is sleeved and rotatably connected to the outer wall of the reinforcing rod 552, and an arc-shaped plate 555 is fixedly connected to the end of the reinforcing plate 554 away from the reinforcing rod 552.

[0045] The side of the arc-shaped plate 555 away from the reinforcing plate 554 is slidably connected to the inner wall of the conical groove 8. The top center of the reinforcing plate 554 is fixedly connected to a reinforcing spring 556. One end of the reinforcing spring 556 is fixedly connected to the outer wall of one side of the bottom end of the steel rod 54. The outer wall of the end of the steel rod 54 close to the reinforcing spring 556 is fixedly connected to a clamping ring 553. The device is reinforced in this way.

[0046] The outer wall of the lifting block 52 is provided with a cleaning assembly 56, the cleaning assembly 56 comprises a cleaning ring 561 fixedly connected to the outer wall of the lifting block 52, the top and bottom of the cleaning ring 561 are fixedly connected with cleaning cotton 562, which is arranged to remove impurities, the outer wall of the cleaning cotton 562 is in sliding connection with the inner wall of the steel pipe 1, the bottom of the lifting block 52 is fixedly connected with an annular bag 563 on both sides, the bottom of the annular bag 563 is fixedly connected with a cleaning plate 564, which is arranged to protect the air exhaust pipe 566, a plurality of square holes 565 are formed in the top of the cleaning plate 564, a plurality of air exhaust pipes 566 are communicated with the bottom of the annular bag 563, and the air exhaust pipe 566 is located in the inner wall of the square hole 565.

[0047] The telescopic assembly 65 comprises a square plate 651 fixedly connected to one end of the square block 62, and the two ends of the side, away from the square block 62, of the square plate 651 are fixedly connected with air bags 652, which are arranged to reduce damage to the device by the reinforcing steel bars, the side, close to the air bags 652, of the square plate 651 is fixedly connected with a circular shell 653, and the end, away from the square plate 651, of the circular shell 653 is fixedly connected with a connecting plate 656.

[0048] The outer wall of the air bag 652 is communicated with a circular pipe 654, one end of the circular pipe 654 is communicated in the inner portion of the circular shell 653, the inner wall of the circular shell 653 is slidably connected with a moving plate 655, and the four sides, away from the circular shell 653, of the connecting plate 656 are fixedly connected with a plurality of horizontal plates 657.

[0049] The side of the moving plate 655 is provided with a clamping assembly 66, the clamping assembly 66 comprises a telescopic rod 661 fixedly connected to the center of the side of the moving plate 655, one end of the telescopic rod 661 penetrates through the square plate 651 and extends to the outside, the end, away from the moving plate 655, of the telescopic rod 661 is fixedly connected with a vertical plate 662, and the two ends of the two sides of the vertical plate 662 are rotatably connected with a plurality of first rotating plates 663.

[0050] The second rotating plate 664 is rotatably connected between the two first rotating plates 663, the side wall of the end, away from the first rotating plate 663, of the second rotating plate 664 penetrates and is rotatably connected with a horizontal rod 665, one end of the horizontal rod 665 is fixedly connected to the side of the horizontal plate 657, and the end, away from the first rotating plate 663, of the second rotating plate 664 is fixedly connected with a clamping plate 666.

[0051] A processing method for enhancing the tunnel grouting steel flower pipe soft foundation, the use method of the processing device used in the processing method, comprising the following steps:

[0052] Step one: the steel pole 54 is placed inside the steel pipe 1, the steel pole 54 drives the connecting block 551 to fall, the connecting block 551 drives the reinforcing rod 552 to fall, the reinforcing rod 552 drives the reinforcing plate 554 to fall, the reinforcing plate 554 drives the arc plate 555 to fall, the reinforcing plate 554 drives the reinforcing spring 556 to fall, and the steel pole 54 drives the clamping ring 553 to fall, thereby solving the problem of inaccurate placement of the steel pole 54.

[0053] Step two: when the steel pole 54 is placed, the slurry is poured, and the weight of the slurry makes the lifting block 52 fall, the lifting block 52 drives the cleaning ring 561 to fall, the cleaning ring 561 drives the cleaning cotton 562 to fall, the lifting block 52 drives the annular capsule 563 to fall, the annular capsule 563 drives the cleaning plate 564 to fall, and the annular capsule 563 drives the deflation pipe 566 to fall, thereby solving the problem of residual impurities in the steel pole 54.

[0054] Step three: in the process of falling, the lifting block 52 drives the threaded sleeve 53 to rotate, the threaded sleeve 53 drives the screw sleeve 64 to rotate, the screw sleeve 64 drives the clamping block 63 to move with the square block 62, the square block 62 drives the square plate 651 to move, the square plate 651 drives the air bag 652 to move, the air bag 652 drives the moving plate 655 to move, the moving plate 655 drives the first rotating plate 663 to move, the first rotating plate 663 drives the second rotating plate 664 to rotate, the second rotating plate 664 drives the clamping plate 666 to move, thereby solving the problem of being unable to quickly install.

[0055] In use, the steel pole 54 is placed inside the steel pipe 1, the steel pole 54 drives the connecting block 551 to fall, the connecting block 551 drives the reinforcing rod 552 to fall, the reinforcing rod 552 drives the reinforcing plate 554 to fall, the reinforcing plate 554 drives the arc plate 555 to fall, the reinforcing plate 554 drives the reinforcing spring 556 to fall, and the reinforcing spring 556 is elastically deformed, which drives the reinforcing plate 554 to move to the outside of the tapered groove 8 after entering the tapered groove 8, thereby realizing the limiting effect and strengthening the positioning of the steel pole 54, thereby improving the working efficiency of the device, the steel pole 54 drives the clamping ring 553 to fall, and the clamping ring 553 is attached to the top inner wall of the tapered groove 8, thereby improving the limiting effect.

[0056] When the steel pole 54 is placed, the slurry is poured, the weight of the slurry makes the lifting block 52 fall, the lifting block 52 drives the cleaning ring 561 to fall, in the process of falling, because it is always in contact with the inner wall of the steel pipe 1, thereby enhancing the limiting effect of the steel pole 54, the cleaning ring 561 drives the cleaning cotton 562 to fall, the cleaning cotton 562 can treat the impurities at the leakage hole 2 of the inner wall of the steel pipe 1, the lifting block 52 drives the annular capsule 563 to fall, in the process of falling, the annular capsule 563 is extruded, the internal airflow moves, the annular capsule 563 drives the cleaning plate 564 to fall, preventing the air exhaust pipe 566 from being damaged, the annular capsule 563 drives the air exhaust pipe 566 to fall, and the impurities treated by the cleaning cotton 562 are discharged outward through the leakage hole 2, so that the device is more convenient to work, and the operation of the device is not hindered.

[0057] In the process of falling, the lifting block 52 drives the threaded sleeve 53 to rotate, the threaded sleeve 53 drives the screw sleeve 64 to rotate, the screw sleeve 64 drives the clamping block 63 to move with the square block 62, the square block 62 drives the square plate 651 to move, the square plate 651 drives the air bag 652 to move, the air bag 652 is extruded by the reinforcing mesh, and the internal airflow moves to the inside of the circular shell 653 through the circular pipe 654, the airflow pushes the moving plate 655, the moving plate 655 drives the first rotating plate 663 to move, the first rotating plate 663 drives the second rotating plate 664 to rotate, the second rotating plate 664 drives the clamping plate 666 to move, the skew arch reinforcing mesh can be quickly locked after the skew arch reinforcing mesh is installed, the efficiency of the device is improved, and the cost of work is reduced.

[0058] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of the present application. The embodiments are selected and described in detail in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their entire scope and equivalents.

Claims

1. A method for treating soft foundation by reinforcing tunnel grouting steel pipe, characterized by: The following steps are involved: Step 1: Use ANSYS / ABAQUS finite element software to build a three-dimensional numerical model of the inverted arch, steel pipe, and foundation. Simulate the stress and deformation changes of the inverted arch, steel pipe, and foundation under different working conditions. Through finite element analysis, the maximum load borne by the upper inverted arch under the allowable deformation of the lower foundation is obtained, providing a reference for the early design of the inverted arch and steel pipe and the later construction. The treatment device used in the treatment method of the reinforced tunnel grouting steel flower pipe for soft foundation comprises a steel pipe (1), the outer wall of the steel pipe (1) is provided with a plurality of leakage holes (2), the bottom of the inner wall of the steel pipe (1) is fixedly connected with a conical block (7), the top of the conical block (7) is provided with a conical groove (8), the top of the steel pipe (1) is fixedly connected with a support plate (3), the top two sides of the support plate (3) are respectively provided with slide grooves (4), and further comprises: A rotating and falling mechanism (5), the rotating and falling mechanism (5) comprising a plurality of long rods (51) fixedly connected to the periphery of the top of the conical block (7), a lifting block (52) being slidably connected to the middle end of the outer wall of the long rod (51), a threaded sleeve (53) being threadedly connected to the inner wall of the lifting block (52), a steel rod (54) being rotatably connected to the inner wall of the threaded sleeve (53), and a reinforcement assembly (55) being provided at the bottom of the steel rod (54); A clamping auxiliary mechanism (6), the clamping auxiliary mechanism (6) includes a slider (61) slidably connected to the bottom of the inner wall of the slide groove (4), the top of the slider (61) is fixedly connected to a square block (62), one side of the square block (62) is fixedly connected to a plurality of clamping blocks (63), the outer wall of the clamping block (63) is engaged with a screw sleeve (64), and one end of the square block (62) is provided with a telescopic component (65).

2. The method for treating a soft foundation by reinforcing a tunnel grouting steel pipe according to claim 1, characterized in that: The reinforcement assembly (55) comprises a connection block (551) fixedly connected to the bottom of the steel rod (54); the outer wall of the connection block (551) is provided with openings on all sides; a reinforcement rod (552) is fixedly connected to one side of the middle end of the inner wall of the connection block (551); a reinforcement plate (554) is sleeved on the outer wall of the reinforcement rod (552) and rotatably connected; and an arc-shaped plate (555) is fixedly connected to one end of the reinforcement plate (554) away from the reinforcement rod (552).

3. A method for treating a soft foundation by reinforcing a tunnel grouting steel pipe according to claim 2, characterized in that: The side of the arc plate (555) away from the reinforcing plate (554) is slidably connected to the inner wall of the conical groove (8), and a reinforcing spring (556) is fixedly connected to the top center of the reinforcing plate (554). One end of the reinforcing spring (556) is fixedly connected to one side of the bottom outer wall of the steel rod (54), and one end of the outer wall of the steel rod (54) close to the reinforcing spring (556) is fixedly connected to a retaining ring (553).

4. A method for treating a soft foundation by reinforcing a tunnel grouting steel pipe according to claim 3, characterized in that: The outer wall of the lifting block (52) is provided with a cleaning assembly (56), and the cleaning assembly (56) includes a cleaning ring (561) fixedly connected to the middle end of the outer wall of the lifting block (52), and the top and bottom of the cleaning ring (561) are respectively fixedly connected with cleaning cotton (562), and the outer wall of the cleaning cotton (562) is slidably connected to the inner wall of the steel pipe (1); The bottom sides of the lifting block (52) are fixedly connected to annular bags (563), the bottom of the annular bag (563) is fixedly connected to a cleaning plate (564), the top of the cleaning plate (564) is provided with a plurality of square holes (565) around the periphery, and the bottom of the annular bag (563) is connected to a plurality of venting pipes (566) around the periphery, and the venting pipes (566) are arranged on the inner wall of the square hole (565).

5. A method for treating a soft foundation by reinforcing a tunnel grouting steel pipe according to claim 4, characterized in that: The telescopic assembly (65) comprises a square plate (651) fixedly connected to one end of the square block (62); both ends of the square plate (651) away from the square block (62) are fixedly connected to airbags (652); a circular shell (653) is fixedly connected to the center of one side of the square plate (651) close to the airbag (652); and a connecting plate (656) is fixedly connected to one end of the circular shell (653) away from the square plate (651).

6. A method for treating a soft foundation by reinforcing a tunnel grouting steel pipe according to claim 5, characterized in that: One side of the outer wall of the airbag (652) is connected to a circular tube (654), one end of the circular tube (654) is connected to the interior of the circular shell (653), one side of the inner wall of the circular shell (653) is slidably connected to a movable plate (655), and a side of the connecting plate (656) away from the circular shell (653) is fixedly connected to a plurality of transverse plates (657) on all sides.

7. A method for treating a soft foundation by reinforcing a tunnel grouting steel pipe according to claim 6, characterized in that: A clamping assembly (66) is provided on one side of the movable plate (655), and the clamping assembly (66) includes a telescopic rod (661) fixedly connected to the center of one side of the movable plate (655), one end of the telescopic rod (661) passes through the square plate (651) and extends to the outside, and one end of the telescopic rod (661) away from the movable plate (655) is fixedly connected to a vertical plate (662), and both ends of both sides of the vertical plate (662) are rotatably connected to a plurality of first rotating plates (663).

8. A method for treating a soft foundation by reinforcing a tunnel grouting steel pipe according to claim 7, characterized in that: A second rotating plate (664) is rotatably connected between the two first rotating plates (663), and a cross bar (665) is passed through and rotatably connected to the side wall of one end of the second rotating plate (664) away from the first rotating plate (663), one end of the cross bar (665) is fixedly connected to one side of the cross plate (657), and a clamping plate (666) is fixedly connected to one end of the second rotating plate (664) away from the first rotating plate (663).

9. A method for treating soft foundation by reinforcing tunnel grouting steel pipe according to any one of claims 1 to 8, characterized in that: The method for using the processing device used in the processing method includes the following steps: Step 1: Place the steel rod (54) inside the steel pipe (1), the steel rod (54) drives the connecting block (551) to fall, the connecting block (551) drives the reinforcing rod (552) to fall, the reinforcing rod (552) drives the reinforcing plate (554) to fall, the reinforcing plate (554) drives the arc plate (555) to fall, the reinforcing plate (554) drives the reinforcing spring (556) to fall, and the steel rod (54) drives the locking ring (553) to fall, thereby solving the problem of inaccurate placement of the steel rod (54); Step 2: When the steel rod (54) is placed, the slurry is poured in. The weight of the slurry causes the lifting block (52) to fall, the lifting block (52) drives the cleaning ring (561) to fall, the cleaning ring (561) drives the cleaning cotton (562) to fall, the lifting block (52) drives the annular bag (563) to fall, the annular bag (563) drives the cleaning plate (564) to fall, and the annular bag (563) drives the venting pipe (566) to fall, thereby solving the problem of residual impurities inside the steel rod (54); Step 3: During the falling process, the lifting block (52) drives the threaded sleeve (53) to rotate, the threaded sleeve (53) drives the threaded sleeve (64) to rotate, the threaded sleeve (64) drives the clamping block (63) and the square block (62) to move, the square block (62) drives the square plate (651) to move, the square plate (651) drives the airbag (652) to move, the airbag (652) drives the moving plate (655) to move, the moving plate (655) drives the first rotating plate (663) to move, the first rotating plate (663) drives the second rotating plate (664) to rotate, and the second rotating plate (664) drives the clamping plate (666) to move, thereby solving the problem of being unable to install quickly.

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