A cast-in-place laminated stiff core high-energy consumption anti-seismic toughening pile forming equipment and construction method

Abstract

The present application provides a kind of cast-in-situ laminated stiff core high energy consumption anti-seismic toughening pile forming equipment and construction method, including the working part in casing and the working part outside casing;The working part in casing includes support arm, six-axis mechanical arm, injector and suction device;Injector is used to spray high-pressure water jet to target area to realize drilling;Suction device is used to extract mud in casing;The working part outside casing includes computer control microcomputer, reservoir, high-pressure water pump and suction pump, and computer control microcomputer is electrically connected and controls high-pressure water pump and suction pump.Pile forming equipment meets the drilling requirements of different diameters and depths, synchronizes drilling and hole cleaning, and improves efficiency.Laminated stiff core high energy consumption anti-seismic toughening pile can displace between layers under earthquake or external force, has energy dissipation and anti-seismic effect, and the stiffness core and steel pipe have toughness while providing axial bearing capacity for the pile body, avoiding the problem of insufficient axial bearing capacity of laminated stiff core high energy consumption anti-seismic toughening pile.

Description

Technical Field

[0001] This invention relates to the field of earthquake-resistant engineering technology, and in particular to a pile-forming equipment and construction method for cast-in-place laminated core high-energy-consuming earthquake-resistant toughened piles. Background Technology

[0002] With the increasing number of construction projects in my country, pile foundation construction technology has been widely applied. Compared with other foundation types, it has advantages such as high bearing capacity, good stability, and relatively small settlement, and is therefore widely used in buildings, factories, bridges, docks, oil platforms, and nuclear power plants. Pile foundations are an important seismic resistance measure to prevent foundation failure; however, in past earthquake damage surveys, pile foundations have shown varying degrees of damage, with more pronounced damage in liquefiable soil layers. Therefore, the seismic safety of pile foundation structures has gradually received widespread attention.

[0003] Therefore, it is necessary to develop a casting-in-place laminated core high-energy-dissipating seismic-resistant toughened pile forming equipment and construction method. The pile forming equipment can meet the drilling requirements of different diameters and depths, synchronizing drilling and hole cleaning, thus improving efficiency. The new toughened pile can undergo inter-layer displacement during earthquakes or under external forces, possessing energy-dissipating and seismic-resistant properties; the core provides axial bearing capacity for the pile body. Summary of the Invention

[0004] To address the aforementioned problems, this invention proposes a casting-in-place laminated core high-energy-dissipating seismic-resistant toughened pile forming equipment and construction method. This device can meet the excavation tasks of pipelines of any diameter, is highly versatile, and easy to operate. The laminated core high-energy-dissipating seismic-resistant toughened pile can avoid damage to the pile body caused by site deformation, thus saving costs.

[0005] This invention is achieved through the following measures:

[0006] This invention provides a pile-forming device for cast-in-place laminated core high-energy-consuming seismic-resistant toughened piles, including pile-forming equipment.

[0007] The pile-forming equipment includes an inner working section and an outer working section of the casing;

[0008] The working part inside the casing includes a support arm, a six-axis robotic arm, an ejector, and a suction device;

[0009] The support arm is used to fix the inner wall of the casing, and the ejector and suction device are both installed inside the casing.

[0010] The six-axis robotic arm is used to support and drive the steel circular ball bearings to turn.

[0011] The injector is used to spray high-pressure water jets into the target area to achieve drilling;

[0012] The suction device is used to extract the mud from inside the casing.

[0013] The outer working part of the protector includes two computer-controlled microcomputers, a water reservoir, a high-pressure water pump and a suction pump, one computer-controlled microcomputer is electrically connected to and controls the six-axis mechanical arm, and the other computer-controlled microcomputer is electrically connected to and controls the high-pressure water pump and the suction pump, the high-pressure water pump is connected to the sprayer through a pipeline, and the suction pump is connected to the suction device through a pipeline.

[0014] Preferably, one end of the support arm is fixed to the folding barrel shell by a bolt, the support arm can rotate freely along the bolt, the other end of the support arm is connected to a rotatable suction cup by a bolt, the suction cup can be adsorbed to the inner side of the protector, the support arm can be unfolded to different lengths according to different inner diameters of the protector, and the unfolded support arm is adsorbed to the inner side of the protector through the suction cup to provide sufficient support force for the sprayer and the suction device.

[0015] Preferably, the six-axis mechanical arm is welded at the top end to a steel circular rotating ball and at the bottom end to the inner wall of the sleeve, the six-axis mechanical arm provides support force for the steel circular rotating ball, at the same time, the six-axis mechanical arm is set by parameters to work, thereby driving the steel circular rotating ball to rotate, thereby changing the incident angle of the water jet head to meet the required cutting diameter.

[0016] Preferably, the sprayer includes a water injection pipe and a water jet head, the upper end of the water injection pipe is connected to the high-pressure water pump on the ground, the lower end of the water injection pipe is connected to the water jet head, and the high-pressure water pump supplies water to the water jet head through the water injection pipe; the suction device is a suction pipeline, the upper end of the suction pipeline is connected to the suction pump, and the lower end of the suction pipeline is located at the bottom of the folding barrel shell to suck the mud formed by the water jet head.

[0017] Preferably, the folding barrel shell is composed of multiple circular ring bodies, each circular ring body has a structure with a larger inner diameter at the upper part than at the lower part; the inner surface diameter of the lower end of the outer circular ring body is larger than the outer surface diameter of the upper end of the inner circular ring body, the upper end of the inner circular ring body is clamped to the lower end of the outer circular ring body after the folding barrel shell is unfolded; the outer surface of the outermost circular ring body is welded with a shearing piece for fixing the support arm; the inner wall of the innermost circular ring body is formed into a limiting groove shape for limiting the steel circular rotating ball; the number of circular ring bodies can be increased or decreased according to the required length of construction, and the circular ring bodies can be folded after use to save space.

[0018] Preferably, the water jet head of the sprayer can be detached, the water injection pipe is connected to the suction pump to suck the mud formed by the water jet head; the suction device can be fitted into the water jet head, and the suction pipeline is connected to the high-pressure water pump for cutting operation; thereby the number of water injection pipes and suction pipelines can be changed according to the construction needs.

[0019] Preferably, the computer-controlled microcomputer is electrically connected to and controls the work of the six-axis mechanical arm, which drives the steel circular rotating ball to rotate; another computer-controlled microcomputer controls the high-pressure water pump and the suction pump respectively, the suction pump pumps the mud in the casing to the reservoir, the high-pressure water pump is connected to the upper layer of the reservoir, and after the mud is precipitated in the reservoir, the high-pressure water pump pumps the upper water in the reservoir, so as to achieve the purpose of recycling and save the construction water.

[0020] A construction method of cast-in-situ laminated stiff core high-energy consumption anti-seismic toughening pile, the construction method comprising the following steps:

[0021] a) Fixing equipment: unfolding the support arm of the piling equipment and fixing it in the casing at a suitable position, simultaneously unfolding the folding barrel shell, vertically placing the casing to the positioning hole, and aligning the water jet head and the suction pipeline with the positioning hole;

[0022] b) Parameter setting: setting the working parameters of the six-axis mechanical arm according to the required excavation radius and the site geological conditions to control the rotation range of the steel circular rotating ball and the required water spraying force, and the steel circular rotating ball can drive the water jet head to rotate up to 90°;

[0023] c) Drilling: controlling the high-pressure water pump to be turned on by the computer-controlled microcomputer, adjusting the water pressure data to the required value, making the high-pressure water pump reach the corresponding water pressure, and the water jet head drills;

[0024] d) Equipment recovery: shrinking the folding barrel shell and retracting the support arm, and taking out after the piling equipment returns to the initial state, and the casing remains in the positioning hole;

[0025] e) Pouring the laminated stiff core high-energy consumption anti-seismic toughening pile.

[0026] Preferably, the pouring of the laminated stiff core high-energy consumption anti-seismic toughening pile comprises the following steps:

[0027] S1, placing a steel pipe with the same center as the positioning hole;

[0028] S2, laying a rubber gasket on the outer side of the steel pipe as a friction pad layer;

[0029] S3, pouring concrete to a specified height above the friction pad layer;

[0030] S4, repeating the steps of S2 and S3 until the outer side of the steel pipe is completely wrapped;

[0031] S5, pouring concrete to fill the steel pipe;

[0032] S6, removing the casing after the mold forming.

[0033] Preferably, the steel pipe is externally stacked with a friction pad layer and a concrete ring layer; the concrete ring layer is formed by pouring concrete on the friction pad layer; the friction pad layer is made of rubber material and can displace between layers under the action of earthquake or external force, thereby playing a role of energy dissipation and earthquake resistance; the steel pipe is filled with concrete to form a stiff core, and the stiff core and the steel pipe have toughness, thereby providing axial bearing capacity for the stacked stiff core high-energy dissipation and earthquake resistance toughening pile, and solving the problem of insufficient axial bearing capacity of the stacked stiff core high-energy dissipation and earthquake resistance toughening pile.

[0034] Compared with the prior art, the present application has the following beneficial effects:

[0035] (1) According to the requirements of the engineering site, the water pressure can be controlled by a computer, the motor can drive the steel circular rotating ball to form an inclined angle, and thus the water jet angle of the water cutter head can be changed, thereby meeting the excavation tasks of different diameters.

[0036] (2) The present application can simultaneously perform excavation and hole cleaning, thereby improving the construction efficiency.

[0037] (3) The stacked stiff core high-energy dissipation and earthquake resistance toughening pile designed in the present application adopts the stacked structure of the friction pad layer and the concrete outside the steel pipe, thereby improving the energy dissipation and earthquake resistance performance of the pile body, improving the toughness of the pile body, and avoiding the damage of the pile body under the action of earthquake.

[0038] (4) The stacked stiff core high-energy dissipation and earthquake resistance toughening pile designed in the present application adopts the form of pouring concrete into the steel pipe, thereby making the pile core have toughness and providing vertical support force for the pile body, and avoiding the problem of insufficient support force of the pile body. BRIEF DESCRIPTION OF DRAWINGS

[0039] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application together with the embodiments thereof, and explain the present application, but do not constitute a limitation of the present application.

[0040] Figure 1 is the overall sectional view of the cast-in-place stacked stiff core high-energy dissipation and earthquake resistance toughening pile forming equipment in an embodiment of the present application;

[0041] Figure 2 is the schematic view of the working part in the casing in the cast-in-place stacked stiff core high-energy dissipation and earthquake resistance toughening pile forming equipment in an embodiment of the present application;

[0042] Figure 3 is the plan view of the working part of the cast-in-place stacked stiff core high-energy dissipation and earthquake resistance toughening pile forming equipment in an embodiment of the present application;

[0043] Figure 4 is Figure 1 the side view of the support arm;

[0044] Figure 5 isFigure 1 Top view of the support arm;

[0045] Figure 6 is a schematic diagram of a six-axis robot arm and a steel round rotating connection;

[0046] Figure 7 is Figure 1 Schematic diagram of the folding barrel type shell;

[0047] Figure 8 is a sectional view of a cast-in-place laminated stiff core high energy dissipation anti-seismic toughening pile in an embodiment of the present application;

[0048] Figure 9 is a flow chart of the construction method of the cast-in-place laminated stiff core high energy dissipation anti-seismic toughening pile in an embodiment of the present application.

[0049] Wherein, the reference signs are: 1, folding barrel type shell; 2, steel round rotating ball; 3, water cutter head; 4, computer controlled microcomputer; 5, six-axis robot arm; 6, suction pipeline; 7, water injection pipe; 8, support arm; 9, suction pump; 10, high pressure water pump; 11, water storage tank; 12, computer controlled microcomputer; 13, friction pad layer; 14, concrete ring layer; 15, stiff core; 16, steel pipe; 17, casing. DETAILED DESCRIPTION

[0050] In order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the present application will be further described in detail below in combination with the drawings and examples. Of course, the specific examples described here are only used to explain the present application, and are not used to limit the present application.

[0051] Embodiment

[0052] As Figure 1 shown, a cast-in-place laminated stiff core high energy dissipation anti-seismic toughening pile forming equipment, the forming equipment includes casing inner working part and casing outer working part; the casing inner working part includes support arm 8, six-axis robot arm 5, sprayer and suction device; the support arm 8 is used to fix the inner wall of the casing 17, the sprayer and the suction device are both arranged in the casing 17; the six-axis robot arm 5 is used to support and drive the steel round rotating ball 2 to turn; the sprayer is used to spray high pressure water jet to the target area to realize drilling; the suction device is used to extract the mud in the casing 17.

[0053] The sprayer includes water injection pipe 7 and water cutter head 3, the upper end of the water injection pipe 7 is connected with the high pressure water pump 10 on the ground, the lower end of the water injection pipe 7 is connected with the water cutter head 3, and the water cutter head 3 is supplied with water through the high pressure water pump 10 and the water injection pipe 7.

[0054] The suction device is a suction pipe 6, the upper end of which is connected with the suction pump 9, and the lower end of the suction pipe 6 is provided with a pipe opening at the bottom of the folding barrel-shaped shell 1 to suck the mud formed by the water jet head 3 during excavation. The water jet head 3 of the ejector can be detached, the water injection pipe 7 is connected with the suction pump 9, and the water jet head 3 is used to suck the mud formed by the water jet during excavation; the suction device can be installed in the water jet head 3, the suction pipe 6 is connected with the high-pressure water pump 10, and the suction pipe 6 is used for cutting operation; thereby the number of the water injection pipe 7 and the suction pipe 6 can be changed according to the construction needs.

[0055] As Figure 3 , 4 , 5, one end of the support arm 8 is fixed to the folding barrel-shaped shell 1 by a bolt, the support arm 8 can rotate freely along the bolt, the other end of the support arm 8 is connected with a rotatable suction cup by a bolt, the suction cup can be adsorbed to the inner side of the casing 17, the support arm 8 can be unfolded to different lengths according to the inner diameters of different casings 17, and the unfolded support arm 8 is adsorbed to the inner side of the casing 17 through the suction cup, so as to provide sufficient support force for the ejector and the suction device.

[0056] As Figure 7 , the folding barrel-shaped shell 1 is composed of multiple ring bodies, each ring body has a structure that the inner diameter of the upper part is larger than the inner diameter of the lower part; at the same time, the inner diameter of the lower end of the outer ring body is larger than the outer diameter of the upper end of the inner ring body, the upper end of the inner ring body is clamped in the lower end of the outer ring body after the folding barrel-shaped shell 1 is unfolded; the outer surface of the outermost ring body is welded with a shearing piece for fixing the support arm 8; the inner wall of the innermost ring body is formed in a limiting groove shape for limiting the steel circular rotating ball 2; the number of the ring bodies can be increased or decreased according to the required length of construction, and the ring bodies can be folded after use to save space.

[0057] As Figure 2 , 6 , the six-axis mechanical arm 5 is welded at the top end of the steel circular rotating ball 2; and the six-axis mechanical arm 5 is welded at the inner wall of the sleeve. The six-axis mechanical arm 5 provides support force for the steel circular rotating ball 2, and at the same time, the six-axis mechanical arm 5 is set by parameters to work, thereby driving the steel circular rotating ball 2 to rotate, thereby changing the incident angle of the water jet head 3 to meet the required cutting diameter.

[0058] The outer working part of the casing comprises a computer controlled microcomputer 4, a computer controlled microcomputer 12, a water storage pool 11, a high-pressure water pump 10 and a suction pump 9, the computer controlled microcomputer 4 is electrically connected to and controls the work of the six-axis mechanical arm 5, the six-axis mechanical arm drives the steel circular rotating ball 2 to rotate; the computer controlled microcomputer 12 is electrically connected to and controls the high-pressure water pump 10 and the suction pump 9, the high-pressure water pump 10 is connected to the sprayer through a pipeline, and the suction pump 9 is connected to the suction device through a pipeline; the computer controlled microcomputer 12 controls the high-pressure water pump 10 and the suction pump 9 respectively, the suction pump 9 sucks the mud in the casing 17 into the water storage pool 11, the high-pressure water pump 10 is connected to the upper layer of the water storage pool 11, after the mud is precipitated in the water storage pool 11, the high-pressure water pump extracts the upper layer water in the water storage pool 11, so that the purpose of recycling is achieved, and the construction water is saved.

[0059] The embodiment also provides a construction method of the cast-in-situ laminated stiff core high-energy consumption anti-seismic toughened pile.

[0060] a) Fixing equipment: unfolding the support arm 8 of the piling equipment, fixing it in the casing 17 at a suitable position, simultaneously unfolding the folding barrel type shell 1, vertically placing the casing 17 at the positioning hole, and aligning the water jet head 3 and the suction pipeline 6 with the positioning hole;

[0061] b) Parameter setting: setting the working parameters of the six-axis mechanical arm according to the required excavation radius and the on-site geological conditions to control the rotating range of the steel circular rotating ball 2 and the required water spraying force, and the steel circular rotating ball 2 drives the water jet head 3 to reach a maximum rotating angle of 90°;

[0062] c) Drilling: controlling the computer controlled microcomputer 12 to open the high-pressure water pump 10, adjusting the water pressure data to the required value, so that the high-pressure water pump 10 reaches the corresponding water pressure, and the water jet head 3 drills;

[0063] d) Equipment recovery: shrinking the folding barrel type shell 1 and retracting the support arm 8, taking out the piling equipment when it returns to the initial state, and the casing 17 remains in the positioning hole;

[0064] e) Pouring the laminated stiff core high-energy consumption anti-seismic toughened pile.

[0065] As Figure 8 , 9 , wherein the pouring of the laminated stiff core high-energy consumption anti-seismic toughened pile comprises the following steps:

[0066] S1, placing a steel pipe 16 with the same center as the positioning hole;

[0067] S2, laying a circle of rubber gasket outside the steel pipe 16 as a friction pad layer 13;

[0068] S3, pouring concrete to a specified height above the friction pad layer 13, the steel pipe 16 is outside the stacked structure of the friction pad layer 13 and the concrete ring layer 14; the concrete ring layer 14 is formed by pouring concrete above the friction pad layer 13; the friction pad layer 13 is made of rubber material and can displace between layers under the action of earthquake or external force, and has the effect of energy dissipation and earthquake resistance.

[0069] S4, repeating the steps of S2 and S3 until the steel pipe 16 is completely wrapped outside;

[0070] S5, pouring concrete to fill the steel pipe 16; the steel pipe 16 is filled with concrete to form the stiff core 15, and the stiff core 15 and the steel pipe 16 have toughness and provide axial bearing capacity for the laminated stiff core high energy dissipation and seismic toughness pile, solving the problem of insufficient axial bearing capacity of the laminated stiff core high energy dissipation and seismic toughness pile;

[0071] S6, removing the casing 17 after the mold forming.

[0072] The above is only some preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A cast-in-situ laminated stiff core high energy dissipation anti-seismic toughening pile forming equipment, characterized in that, The pile-forming device comprises an inner casing working part and an outer casing working part. The inner casing working part comprises a support arm, a six-axis mechanical arm, a sprayer and a suction device. The support arm is used for fixing the inner wall of the casing, and the sprayer and the suction device are arranged in the casing. The six-axis mechanical arm is used for supporting and driving the steel round rotating ball to rotate. The sprayer is used for spraying high-pressure water jet to the target area to realize drilling. The suction device is used for sucking the mud in the casing. The outer casing working part comprises two computer-controlled microcomputers, a water storage pool, a high-pressure water pump and a suction pump. One computer-controlled microcomputer is electrically connected to and controls the six-axis mechanical arm. The other computer-controlled microcomputer is electrically connected to and controls the high-pressure water pump and the suction pump. The high-pressure water pump is connected to the sprayer through a pipeline.

2. The in-situ laminated stiff core high energy dissipation anti-seismic toughening piling equipment according to one of claims 1, characterized in that, The suction pump is connected to the suction device through a pipeline.

3. The in-situ laminated stiff core high energy dissipation anti-seismic toughening piling equipment of claim 1, characterized in that, One end of the support arm is fixed to the folding barrel shell by bolts.

4. The in-situ laminated stiff core high energy dissipation anti-seismic toughening piling equipment according to one of claims 3, characterized in that, The support arm can rotate freely along the bolts.

5. The in-situ laminated stiff core high energy dissipation anti-seismic toughened piling equipment of claim 1, characterized in that, The other end of the support arm is connected to a rotatable suction disc by bolts.

6. The construction method of cast-in-situ laminated core high energy dissipation anti-seismic toughened pile according to any one of claims 1-5, characterized in that, The suction disc can be adsorbed to the inner side of the casing. The support arm can be unfolded to different lengths according to different inner diameters of the casing. The unfolded support arm is adsorbed to the inner side of the casing by the suction disc. The folding barrel shell is composed of multiple circular ring bodies. Each circular ring body has an upper part with a larger inner diameter than a lower part. The inner surface diameter of the lower end of the outer circular ring body is larger than the outer surface diameter of the upper end of the inner circular ring body. The upper end of the inner circular ring body is clamped to the lower end of the outer circular ring body after the folding barrel shell is unfolded. The outer surface of the outermost circular ring body is welded with a shearing piece for fixing the support arm. The inner wall of the innermost circular ring body is formed into a limiting groove for limiting the steel round rotating ball. The number of circular ring bodies can be increased or decreased according to the required length of construction. The circular ring bodies can be folded after use. The six-axis mechanical arm is welded to the steel round rotating ball at the top end. The six-axis mechanical arm is welded to the inner wall of the sleeve at the end. The six-axis mechanical arm provides support for the steel round rotating ball. Through parameter setting, the six-axis mechanical arm works to drive the steel round rotating ball to rotate, thereby changing the incident angle of the water jet head. The sprayer comprises a water injection pipe and a water jet head. The upper end of the water injection pipe is connected to the high-pressure water pump on the ground. The lower end of the water injection pipe is connected to the water jet head. The water jet head is supplied with water by the high-pressure water pump and the water injection pipe. The suction device is a suction pipeline. The upper end of the suction pipeline is connected to the suction pump. The lower end of the suction pipeline is connected to the bottom of the folding barrel shell for sucking the mud formed by the water jet head. The water jet head of the sprayer can be removed. The water injection pipe is connected to the suction pump for sucking the mud formed by the water jet. The suction device can be installed into the water jet head. The suction pipeline is connected to the high-pressure water pump for cutting operation. The number of water injection pipes and suction pipelines can be changed according to the construction requirements. One computer-controlled microcomputer controls the work of the six-axis mechanical arm. The six-axis mechanical arm drives the steel round rotating ball to rotate. The other computer-controlled microcomputer controls the high-pressure water pump and the suction pump. The suction pump sucks the mud in the casing into the water storage pool. The high-pressure water pump is connected to the upper layer of the water storage pool. After the mud in the water storage pool is precipitated, the high-pressure water pump sucks the water in the upper layer of the water storage pool. The construction method comprises the following steps: a) Fixing equipment: the pile-forming equipment is unfolded to support arms, which are fixed in the casing at a proper position, and the folding casing is also unfolded, and the casing is erected to the positioning hole, and the water jet head and the suction pipe are aligned with the positioning hole; b) Parameter setting: according to the required excavation radius and the site geological conditions, the working parameters of the six-axis mechanical arm are set to control the rotation range of the steel circular rotating ball and the required water spraying force, and the steel circular rotating ball can reach a maximum rotation angle of 90°; c) Drilling: the high-pressure pump is opened by computer control, the water pressure data is adjusted to the required value, the high-pressure pump reaches the corresponding water pressure, and the water jet head drills; d) Equipment recovery: the folding casing is retracted, the support arms are retracted, and the pile-forming equipment is removed when it returns to the initial state, and the casing remains in the positioning hole; e) Pouring a high-energy consumption anti-seismic toughening pile with a laminated steel core.

7. The construction method of a cast-in-situ laminated stiff core high energy dissipation anti-seismic toughened pile according to claim 6, characterized in that, The pouring of the high-energy consumption anti-seismic toughening pile with a laminated steel core is divided into the following steps: S1, placing a steel pipe with the same center as the positioning hole; S2, laying a rubber gasket on the outer side of the steel pipe as a friction pad layer; S3, pouring concrete on the friction pad layer to a specified height; S4, repeating steps S2 and S3 until the outer side of the steel pipe is completely wrapped; S5, pouring concrete into the steel pipe; S6, removing the casing after the mold is formed.

8. The construction method of a cast-in-situ laminated stiff core high energy dissipation anti-seismic toughened pile according to claim 7, characterized in that, The steel pipe is stacked with a friction pad layer and a concrete ring layer on the outside; the friction pad layer is made of rubber material and can displace between layers under the action of external force or earthquake, which has the function of energy dissipation and seismic resistance; the steel pipe is filled with concrete to form a steel core, which has toughness with the steel pipe and provides axial bearing capacity for the high-energy consumption anti-seismic toughening pile with a laminated steel core.

Images