CN212365338U - Demonstration device for simulating broken pile and reinforcing effect of immersed tube cast-in-place pile - Google Patents

Abstract

The application provides a simulation immersed tube bored concrete pile broken pile and demonstration device of reinforcing effect belongs to foundation or foundation structure's such as hydraulic engineering experimental technical field. The device comprises a demonstration table mechanism, a foundation simulation mechanism, a pile model arrangement mechanism, a magnetic power mechanism, a telescopic rod mechanism, a pouring appliance mechanism, a pouring slurry mixing mechanism and a bearing capacity testing mechanism. The method is applied to demonstrating of broken pile and reinforcing effect of the immersed tube filling pile, can visually display broken pile and reinforcing effect of immersed tube filling, and has the advantages of safety, attractiveness, strong portability, close to teaching, simplicity in operation, environment friendliness, high versatility, visualization, high simulation degree and the like.

Description

Demonstration device for simulating broken pile and reinforcing effect of immersed tube cast-in-place pile

Technical Field

The application relates to a demonstration device for simulating broken pile and reinforcing effect of a pipe-sinking cast-in-place pile, and belongs to the technical field of tests of foundations or foundation structures such as hydraulic engineering.

Background

With the increase of the construction speed of the infrastructure, the pile foundation engineering is one of the foundation engineering, and is very important in the design and construction engineering. The pipe sinking cast-in-place pile is widely applied to pile foundation engineering due to short construction period and low manufacturing cost. The sinking pipe filling pile construction difficulty is large, the problems of pile extrusion fracture, necking down, mud clamping and the like are frequently caused by the influence of various factors in the construction process, the horizontal fracture caused by soil body pile extrusion is the most common, and in the project of the horizontal fracture pile, the pile fracture rate is over 50 percent, so that the economic loss is brought to the project, and therefore, the demonstration technology guidance for the pile fracture accident and reinforcement of the sinking pipe filling pile is very important for preventing the pile fracture accident. The immersed tube cast-in-place pile is a hidden project, the process is complex, and in order to enable constructors to understand more deeply, technical guidance for the constructors cannot only stay on an abstract theoretical knowledge level, and visual demonstration is often required by means of an entity demonstration model.

Aiming at the research of a pile foundation engineering teaching model, researchers provide a bored pile teaching entity model and a teaching demonstration method (application number: CN 104091509A), and a construction scene, a construction process and key procedures are embodied on the basis of static state and dynamic state through the bored pile teaching entity model. But the model can not demonstrate the possible accidents and accident handling of the pile foundation engineering.

SUMMERY OF THE UTILITY MODEL

In view of this, the application provides a presentation device that can realize simulation driven cast-in-place pile broken pile and reinforcement effect, this presentation device satisfies the requirement that the building site guides to driven cast-in-place pile broken accident emergence principle and reinforcement processing method technique to demonstrate the effect behind broken pile and the reinforcement measure together, in order to solve constructor and to driven cast-in-place pile accident emergence process and reinforcement method understanding problem, have safe pleasing to the eye, the portability is strong, press close to the teaching, easy operation, green and multiple use, advantages such as visual and simulation degree height.

Specifically, the method is realized through the following scheme:

a demonstration device for simulating broken pile and reinforcing effect of a immersed tube cast-in-place pile comprises a demonstration table mechanism, a foundation simulation mechanism, a pile model arrangement mechanism, a magnetic power mechanism, a telescopic link mechanism, a pouring appliance mechanism, a pouring slurry mixing mechanism and a bearing capacity testing mechanism.

The demonstration platform mechanism comprises a solid wood base, a solid wood surrounding plate, a perfusion appliance box, a reinforcing material box, a telescopic rod box, a perfusion demonstration frame, an object placing plate and a rear bearing plate.

The demonstration table mechanism is placed with an opening backwards. The solid wood base is positioned at the bottom of the demonstration table mechanism, and the solid wood coamings are positioned at the left side and the right side of the demonstration table mechanism and are used for placing the filling, grouting and mixing mechanism; the perfusion appliance box is positioned at the left end of the demonstration table mechanism and is used for placing the perfusion appliance mechanism, and the reinforcing material box is positioned at the right corner end inside the perfusion appliance box; the telescopic rod box is connected to the right side of the perfusion appliance box and is used for placing the telescopic rod mechanism; the right end of the perfusion demonstration frame is connected with a solid wood coaming, the left end of the perfusion demonstration frame is connected with a telescopic rod box, the front end of the perfusion demonstration frame can be provided with a foundation simulation mechanism, and a pile model arrangement mechanism and a magnetic power mechanism can be placed inside the perfusion demonstration frame; the object placing plate is positioned on the right side of the upper end of the perfusion demonstration frame and is used for placing the bearing capacity testing mechanism; the rear bearing plate is positioned at the rear side of the perfusion demonstration frame and is used for connecting and fixing the pile model arrangement mechanism and the magnetic power mechanism.

The foundation simulation mechanism comprises a cast-in-place demonstration plate, a shielding plate, a forming pile plate, weathered rocks, sand, clay, a cast-in-place pile model visual plate and a forming pile model visual plate.

The ground simulation mechanism is a plastic transparent plate, and is seen from the right front side of the ground simulation mechanism: the perfusion demonstration plate, the shielding plate and the forming pile plate are sequentially arranged from left to right, and the perfusion demonstration plate and the shielding plate can be disassembled, replaced and assembled; arranging weathered rock, sandy soil and a cast-in-place pile model visual plate in sequence from bottom to top on the cast-in-place demonstration plate; the shielding plate is sequentially provided with weathered rock, sandy soil and clay from bottom to top; the forming pile plate is sequentially provided with weathered rock, sandy soil and clay from bottom to top, and a forming pile model visible plate is arranged in the middle of the sandy soil and the clay; the weathering rock, sandy soil and clay which are respectively arranged on the perfusion demonstration plate, the shielding plate and the forming pile plate are combined with the perfusion pile model visual plate on the perfusion demonstration plate and the forming pile model visual plate on the forming pile plate, so that the normal position distribution of the foundation soil layer and the piles can be simulated visually.

Weathered rock thickness is 140 mm's rubble, and sand soil thickness is 400 mm's grit, and clay thickness is 360 mm's weak soil.

The visual plate of the cast-in-place pile model is a pointed transparent plastic thin plate; the visible plate of the forming pile model is a sharp transparent plastic thin plate.

The pile model arrangement mechanism comprises a cast-in-place demonstration pile model mechanism and a forming pile model mechanism.

The cast-in-place demonstration pile model mechanism comprises a 4-time pile diameter cast-in-place pile model, a 3-time pile diameter cast-in-place pile model, a cast-in-place pile model pipe, a cast-in-place pile shoe, a cast-in-place line, a right-of-way line, a lower steel bar line, a pull-out pipeline, a cast-in-place line and a sinking sleeve pipeline.

The forming pile model mechanism comprises a forming pile model pile pipe, a forming pile model pile shoe, a connecting layer, a built-in pipeline port, a partition plate with a hole, a hole opening, a reserved insertion pipe hole and a non-porous partition plate.

The pouring demonstration pile model mechanism and the forming pile model mechanism are fixed on the rear bearing plate, and the top of the pouring demonstration pile model mechanism and the forming pile model mechanism are parallel to the rear bearing plate. The 4-time pile diameter cast-in-place pile model and the 3-time pile diameter cast-in-place pile model are abutted side by side and used for demonstrating the reason of continuous pile breaking and pile breaking. The 4-time pile diameter cast-in-place pile model and the 3-time pile diameter cast-in-place pile model are both composed of a cast-in-place pile model pipe and a cast-in-place pile model shoe.

The cast-in-place pile model pile pipe is sequentially provided with a cast-in-place line, an in-place line, a lower reinforcing steel line, a pull-out pipeline, a cast-in line and a sinking sleeve pipeline from top to bottom, and is used for demonstrating the sequence of a cast-in-place process during the cast-in-place demonstration.

The forming pile model pile pipe is positioned at the upper section of the forming pile model mechanism, is connected with a forming pile model pile shoe and simulates the form of a forming pile; the connecting layer is positioned at the upper end of the forming pile model pile pipe, the built-in pipeline is positioned at the center of the connecting layer and is vertically formed into the pile model pile pipe, and a built-in pipeline port is reserved for connecting a magnetic power mechanism; the pile forming model mechanism is internally provided with a perforated partition plate, one perforated partition plate is arranged at the top end of a pile pipe of the pile forming model, the other perforated partition plate is arranged at the top end of a connecting layer, the perforated partition plate is provided with two orifices which are symmetrically arranged in the front and back direction, the orifices of the two perforated partition plates which are respectively arranged in the upper and lower directions are aligned, and the middle part of the perforated partition plate is provided with two reserved pipe inserting holes for reinforcing piles in the event of; the non-porous partition board is positioned at the bottom end of the connecting layer to isolate the connecting layer.

The 4-time pile diameter cast-in-place pile model is an upper transparent plastic cylinder and a lower transparent plastic cone; the 3-time pile diameter cast-in-place pile model is a transparent plastic cylinder at the upper part and a transparent plastic cone at the lower part.

The distance between the pouring completion line and the top end of the cast-in-place pile model pile pipe 313 is 0mm, and the line can be marked as a blue line; the in-place line is 130mm away from the top end of the pile pipe of the cast-in-place pile model and can be marked as a red line; the lower steel bar line is 100mm away from the top end of the cast-in-place pile model pile tube and can be marked as a purple line; the pipe drawing line is 200mm away from the top end of the cast-in-place pile model pile pipe and can be marked as a yellow line; the pouring line is 300mm away from the top end of the cast-in-place pile model pile pipe and can be marked as a green line; the distance between the sinking casing line and the top end of the cast-in-place pile model pile pipe is 660mm, and the sinking casing line can be marked as a black line.

The magnetic power mechanism comprises a fixed block, a horizontal thrust electromagnet, a bulging electromagnet, an electromagnet switch, an external pipeline opening, a rolling layer, a horizontal thrust magnet, a bulging magnet, a forming pile magnet, an external pipeline magnet and a latex film.

The rolling layer comprises a supporting plate and a rolling mechanism, and the rolling mechanism comprises a roller fixing plate and a roller mechanism; the roller mechanism comprises a hollow cylinder and a roller shaft.

The fixed block is vertically arranged on the solid wood base, the horizontal thrust electromagnet and the uplifting electromagnet are respectively arranged at the designated positions of the fixed block, and the electromagnet switch is connected with the horizontal thrust electromagnet and the uplifting electromagnet through a built-in circuit in the fixed block; and when the electromagnet switch is turned on, the horizontal thrust electromagnet and the uplift electromagnet can generate magnetism, the external pipeline is connected with the internal pipeline and is respectively arranged at the designated positions of the internal pipeline and the external pipeline, and the external pipeline port is positioned on the right side of the external pipeline and is used for connecting the internal pipeline port.

The rolling layer is arranged in the fixed block, and the upper end of the rolling layer is flush with the upper end of the fixed block. Horizontal thrust magnet arranges the rolling bed middle part position in, and the uplift magnet is in the uplift electro-magnet top, and the shaping stake magnet is arranged in shaping stake model mechanism, and external pipeline magnet is arranged in external pipeline right-hand member, and the emulsion membrane is arranged in the right front corner of fixed block upper surface end, when the uplift electro-magnet produced the repulsion to the uplift magnet, played the effect that blocks the uplift magnet to the demonstration of the soil body uplift phenomenon of disconnected stake demonstration process.

The supporting plates are positioned at the upper end and the lower end of the rolling layer and are fixedly connected by thin rods. The rolling mechanism is arranged in the supporting plate and can roll left and right through the supporting plate. The roller fixing plates are positioned on the front side and the rear side of the rolling mechanism, and the roller mechanisms are positioned on the upper end and the lower end of the rolling mechanism and are fixed on the roller fixing plates. The hollow cylinders are inserted on the roller shafts, the roller mechanism is provided with 10 roller shafts, each roller shaft is provided with three hollow cylinders, and the hollow cylinders on the adjacent roller shafts are arranged in a staggered mode.

The telescopic rod mechanism comprises a support rod, a lower adjusting rod, an upper adjusting rod and a connecting rod.

The telescopic rod mechanism is sequentially provided with a support rod, a lower adjusting rod and an upper adjusting rod from bottom to top, and the length of the lower adjusting rod and the length of the upper adjusting rod can be adjusted up and down. The connecting rod is fixed on the upper adjusting rod and can also stretch out and draw back.

The pouring appliance mechanism comprises a piling mechanism, a reinforcement cage, a pouring funnel mechanism, a perforated pipe and reinforcing steel bars, and the piling mechanism comprises a sleeve and a pile shoe; the pouring funnel mechanism comprises a piston rod, a rubber piston, a pouring funnel, a pouring guide pipe and a butt joint port; the trompil pipe includes trompil pipe shaft and side play thick liquid hole.

The pouring appliance mechanism is arranged in the pouring appliance box from left to right and is sequentially arranged into a pile driving mechanism, a reinforcement cage, a pouring funnel mechanism, a perforated pipe and reinforcing steel bars, and the perforated pipe and the reinforcing steel bars are arranged in the reinforcing material box. The sleeve is connected with the pile shoe. The pouring funnel mechanism is sequentially provided with a piston rod, a rubber piston, a grouting funnel and a grouting guide pipe from top to bottom, a butt joint is fixed on the grouting funnel, and two grout outlet holes are reserved on a perforated pipe body.

The grouting mixing mechanism comprises a grouting mixing box, a reinforced slurry mixing box, a white dye box, a black dye box, a magnet scrap box, grouting slurry, white dye, black dye and magnet scrap.

The grouting mixing box, the reinforced slurry mixing box, the white dye box, the black dye box and the magnet scrap box on the grouting mixing mechanism are all arranged on the solid wood enclosing plate, the grouting mixing box, the reinforced slurry mixing box, the white dye box, the black dye box and the magnet scrap box are not sealed, grouting is stored in the grouting mixing box and the reinforced slurry mixing box, white dye is stored in the white dye box, black dye is stored in the black dye box, and magnet scrap is stored in the magnet scrap box.

Bearing capacity accredited testing organization includes wood load, magnetic induction load, pilot lamp device, green pilot lamp, and wood load, magnetic induction load and pilot lamp device are all arranged in and are put the thing board on, and wood load and magnetic induction load are placed side by side, and there is the magnetic inductor magnetic induction load inside, gives the pilot lamp device through built-in bluetooth transmission signal, and green pilot lamp is located the pilot lamp device centre.

The pile breaking demonstration mechanism comprises a horizontal thrust displacement, a soil body bulge, a breaking layer, a floccule which is taken away and a breaking layer reinforcing slurry, wherein the horizontal thrust displacement is the rolling track length of a rolling mechanism, the soil body bulge is positioned in the right front, the breaking layer is positioned in a forming pile model mechanism, the center of the breaking layer reinforcing slurry is parallel to the horizontal thrust displacement center, the floccule which is taken away is positioned in an external pipeline, the floccule is adhered to an external pipeline magnet, the floccule originally exists in the breaking layer, and the breaking layer reinforcing slurry is filled in the breaking layer and the external pipeline which is communicated with the breaking layer.

The principle of the application is as follows: this application carries out the demonstration of immersed tube bored concrete pile broken pile accident and reinforcement effect through the solid model that can simply dismantle the equipment to specifically divide into: the method comprises the following steps of 4-time pile diameter filling continuous pile demonstration, 3-time pile diameter filling broken pile demonstration, broken pile accident pile reinforcement demonstration, continuous pile bearing capacity detection, bearing capacity detection after pile breakage accidents occur and bearing capacity detection after pile breakage accident pile reinforcement. And 4 times of pile diameter filling continuous pile demonstration and 3 times of pile diameter distance filling broken pile demonstration are sequentially carried out through a detachable foundation simulation mechanism. The pile breaking process is realized by controlling the switch of the electromagnet: when 4 times of pile diameter is poured, the pile breaking accident can not happen, and the electromagnet is kept in a closed state; when 3 times of pile diameter is poured, pile breaking accidents can occur, a switch of the electromagnet device is turned on, and based on the basic characteristics that magnets attract in opposite polarities and repel in same polarity, the magnets arranged at fixed positions in the model can generate displacement through the starting of the electromagnets, so that the demonstration of phenomena such as horizontal thrust, soil mass uplift between adjacent piles, pile breaking accident pile fracture layer generation and the like in the pile breaking process is completed. Pile broken accident pile reinforcement demonstration is to insert the perforated pipe into the reserved perforated pipe and inject reinforcement grouting slurry which is differentiated by black dye into a broken layer formed by the partition plate in an overhead manner. The bearing capacity detection is realized through a magnetic inductor and an indicator light device, the magnetic inductor and the indicator light device transmit signals through Bluetooth, the standard of standard reaching the bearing capacity is that the detection load is 2 units, and the indicator light device is lighted; the principle of lighting is that the magnetic inductor induces the magnet to transmit signals, and the indicator light device receives the signals and lights; the load for bearing capacity detection is divided into two loads, namely a solid light wood block and a light plastic block with a built-in magnetic inductor, and the specific bearing capacity detection steps are as follows: (1) when no pile breaking accident occurs, firstly placing a magnetic inductor on the formed pile, lighting an indicator light device, then placing a solid wood load, and enabling the indicator light device to be still lighted, so that the bearing capacity reaches the standard; (2) when the pile is broken, the formed pile has no built-in magnet, magnetic induction load is placed, the indicator light device does not light, and the bearing capacity does not reach the standard; (3) after the broken pile accident is reinforced, the built-in magnet sensor is firstly put in, the indicator light device is lighted, then the solid wood load is put in, the indicator light is still lighted, and the bearing capacity reaches the standard.

The demonstration device for simulating the broken pile and the reinforcing effect of the immersed tube cast-in-place pile developed by the application has the following advantages:

(1) not only can demonstrate the normal construction process of the pipe-sinking cast-in-place pile, but also can demonstrate the accident of pile breaking of the pipe-sinking cast-in-place pile and the pile breaking reinforcement method;

(2) the principle that magnets attract in opposite polarities and repel in the same polarity is utilized to dynamically demonstrate pile breaking and horizontal thrust and soil body bulging accompanying the pile breaking process;

(3) the reinforcing effect of the pile subjected to pile breakage accident after the pile is reinforced is demonstrated through the detection and comparison of the bearing capacity before and after the pile breakage accident;

(4) the plastic thin plate with the simulated foundation soil layer distribution can be recycled;

(5) the foundation simulation mechanism is provided with a detachable foundation simulation mechanism, normal construction and pile breaking accident demonstration are performed by detaching and replacing the front visual plate, and the operation is simple.

When the device is used for demonstrating the broken pile and the reinforcing effect of the cast-in-place pile of the sedimentation pipe, the concrete steps are as follows:

firstly, pouring a 4-time pile diameter cast-in-place pile model and detecting the bearing capacity of adjacent formed piles.

The first step is as follows: and (5) mixing the pouring slurry. Simulating concrete slurry, putting the pouring slurry into a pouring slurry mixing box, adding the white dye in a white dye box into the pouring slurry mixing box, mixing, and preparing the white pouring slurry.

The second step is that: and (5) installing a pouring funnel. And taking the perfusion funnel mechanism out of the perfusion appliance box, and connecting and installing the perfusion funnel mechanism through the butt joint port and the connecting port of the telescopic rod mechanism.

The third step: in place. The sleeve and the pile shoe of the pile driving mechanism are connected and placed in a four-diameter pile diameter interval pouring model, and the pile shoe is aligned to the red alignment line.

The fourth step: the casing is sunk. The pile driving mechanism is integrally placed in a 4-time pile diameter cast-in-place pile model, and the bottom of the sleeve is aligned with the black sinking sleeve pipeline.

The fifth step: and (6) pouring. And adjusting the length of the telescopic rod mechanism, rotating by 90 degrees to enable the pouring funnel to be vertically inserted into the casing, and pouring the mixed white pouring slurry into a pouring pile model with 4-time pile diameter through the funnel mechanism until reaching a green pouring line.

And a sixth step: pouring while pulling the pipe. And continuously injecting the mixed white grouting slurry into a 4-time pile diameter grouting pile model through a funnel mechanism, and simultaneously vertically pulling up the sleeve until the pipeline is pulled out in yellow.

The seventh step: and (5) lowering the reinforcement cage. And (4) taking out the reinforcement cage from the perfusion apparatus box after the sleeve is pulled to purple and the reinforcement cage is laid down, vertically putting the reinforcement cage into a 4-time pile diameter perfusion pile model, and inserting the bottom end of the reinforcement cage into the injected white perfusion slurry.

Eighth step: and (6) pouring. And (4) after the sleeve is pulled out, adjusting the telescopic rod to continuously pour white pouring slurry until the pouring slurry is higher than a blue pouring completion line, and overflowing the top of the pouring pile model with 4 times of pile diameter.

The ninth step: and (4) drawing out the funnel mechanism. And adjusting the lengths of the telescopic rod mechanism and the connecting rod, pulling out a grouting funnel on a funnel mechanism in the 4-time pile diameter cast-in-place pile model, and rotating by 90 degrees and placing on one side.

The tenth step: and detecting the bearing capacity. Placing the load of the built-in magnetic inductor on the pile top of the forming pile model, and lighting a green indicator light of the indicator light device; and then placing the solid wood block load on the pile top of the forming pile model, wherein the green indicator light of the indicator light device is still on, and the bearing capacity detection reaches the standard.

And (II) 3 times of pile diameter pouring and adjacent forming pile bearing capacity detection.

The first step is as follows: and (5) disassembling and replacing the perfusion demonstration board. And (4) disassembling and replacing the pouring demonstration plate and the 3-time pile diameter pouring pile model from the front of the 4-time pile diameter pouring pile model.

The second step is that: and (5) mixing the pouring slurry. Simulating concrete slurry, putting the pouring slurry into a pouring slurry mixing box, adding the white dye in a white dye box into the pouring slurry mixing box, mixing, and preparing the white pouring slurry.

The third step: and (5) installing a pouring funnel. And taking the perfusion funnel mechanism out of the perfusion appliance box, and connecting and installing the perfusion funnel mechanism through the butt joint port and the connecting port of the telescopic rod mechanism.

The fourth step: in place. Connecting the sleeve and the pile shoe of the pile driving mechanism, and placing the pile driving mechanism in a 3-time diameter pile diameter interval pouring model, wherein the pile shoe is aligned to a red alignment line.

The fifth step: the casing is sunk. The pile driving mechanism is integrally placed in a 3-time pile diameter cast-in-place pile model, and the bottom of the sleeve is aligned with the black sinking sleeve pipeline.

And a sixth step: and (6) pouring. Adjusting the length of the telescopic rod mechanism and the length of the connecting rod, rotating by 90 degrees to enable the pouring funnel to be aligned with the center of the sleeve and be inserted into the sleeve, and pouring the mixed pouring slurry into a 3-time pile diameter pouring pile model through the funnel mechanism until a green pouring line is formed.

The seventh step: pouring while pulling the pipe. And continuously injecting the mixed white grouting slurry into a 3-time pile diameter grouting pile model through a funnel mechanism, and simultaneously vertically pulling up the sleeve until the pipeline is pulled out in yellow.

Eighth step: and (5) lowering the reinforcement cage. And (4) taking out the reinforcement cage from the perfusion appliance box when the sleeve is pulled to purple and a reinforcement cage line is laid, vertically putting the reinforcement cage into a 3-time pile diameter perfusion pile model, and inserting the bottom end of the reinforcement cage into the injected white perfusion slurry.

The ninth step: and (6) pouring. And (4) after the sleeve is pulled out, adjusting the telescopic rod to continuously pour white pouring slurry until the pouring slurry is higher than a blue pouring completion line, and overflowing the top of the pouring pile model with 3 times of pile diameter.

The tenth step: and (4) drawing out the funnel mechanism. And adjusting the length of the telescopic rod mechanism, pulling out the grouting guide pipe on the funnel mechanism in the 3-time pile diameter cast-in-place pile model, and rotating by 90 degrees and placing on one side.

The eleventh step: and (5) demonstrating the pile breaking process. Open the electro-magnet switch, horizontal thrust electro-magnet and uplift electro-magnet produce magnetism, rolling mechanism in the rolling layer has moved 28mm from the left hand right side, under the blocking effect of emulsion membrane, the uplift magnet of the protruding height 20mm in demonstration platform plane, horizontal thrust magnet on the rolling mechanism has the repulsion effect to the shaping stake magnet, external pipeline electro-magnet in the external pipeline on right side produces suction effect to it, the floccule that glues at shaping stake magnet adsorbs to external pipeline magnet through the pipeline that built-in pipeline and external pipeline connection formed along with shaping stake magnet, form hollow fracture layer in the vision.

The twelfth step: and detecting the pile bearing capacity of the broken pile accident. The load of the built-in magnetic inductor is placed on the pile top of the forming pile, the green indicator light device of the indicator light device is not on, and the bearing capacity does not reach the standard.

The thirteenth step: and (5) reinforcing the pouring slurry and mixing. Simulating concrete slurry, putting the filling slurry into a reinforced filling slurry mixing box, adding a black dye in a black dye box and a magnet scrap box in a magnet scrap box into the reinforced filling slurry mixing box for mixing, and preparing the black reinforced filling slurry.

The fourteenth step is that: and (5) pile reinforcement in the pile breakage accident. And inserting the perforated pipe into the imperforate partition plate at the lower end of the fracture layer through the reserved insertion pipe hole, then inserting the reinforcing steel bar, pouring black reinforcing grouting until the fracture layer and the external pipeline are full of the black grouting, and pulling out the perforated pipe until the perforated pipe overflows the perforated opening.

The fifteenth step: and detecting the bearing capacity of the reinforced pile in the pile breakage accident. The load of the magnetic inductor is placed on the reinforced pile breakage accident pile, the green indicator light of the indicator device is turned on, and the bearing capacity detection reaches the standard. And then placing the solid wood block load on the pile top of the forming pile model, wherein the green indicator light of the indicator light device is still on, and the bearing capacity detection reaches the standard.

Drawings

FIG. 1 is an overall layout of the present application;

FIG. 2 is a schematic diagram of the construction of the demonstration table mechanism in the present application;

FIG. 3 is a schematic diagram of the structure of a ground simulating mechanism of the present application;

FIG. 4 is a schematic structural view of a pile pattern layout mechanism of the present application;

FIG. 5 is a schematic structural diagram of a cast-in-place demonstration pile model mechanism of the present application;

FIG. 6 is a schematic structural view of a forming pile pattern mechanism of the present application;

fig. 7 is a schematic diagram of the structure of the magnetic power mechanism of the present application;

FIG. 8 is a schematic diagram of the structure of the rolling layer in the present application;

FIG. 9 is a schematic view of the rolling mechanism of the present application;

FIG. 10 is a schematic structural view of a roller mechanism of the present application;

FIG. 11 is a schematic view of the telescopic rod mechanism of the present application;

FIG. 12 is a schematic structural view of the irrigation implement mechanism of the present application;

FIG. 13 is a schematic structural view of the pile driving mechanism of the present application;

FIG. 14 is a schematic structural view of a reinforcement cage of the present application;

FIG. 15 is a schematic diagram of the construction of the pour hopper mechanism of the present application;

FIG. 16 is a schematic structural view of an open-hole tube of the present application;

FIG. 17 is a schematic diagram of the construction of a pour paddle mixing mechanism of the present application;

FIG. 18 is a schematic structural view of a load bearing mechanism of the present application;

fig. 19 is a schematic structural diagram of a broken pile demonstration mechanism in the present application.

Reference numbers in the figures:

1-a demonstration table mechanism, 11-a solid wood base, 12-a solid wood coaming, 13-a perfusion appliance box, 14-a reinforcing material box, 15-a telescopic rod box, 16-a perfusion demonstration frame, 17-a storage plate and 18-a rear bearing plate;

2-ground simulation mechanism, 21-pouring demonstration board, 22-baffle plate, 23-forming pile board, 24-weathering rock, 25-sandy soil, 26-clay, 27-pouring pile model visible board, 28-forming pile model visible board;

3-pile model arrangement mechanism, 31-pouring demonstration pile model mechanism, 311-4 times pile diameter pouring pile model, 312-3 times pile diameter pouring pile model, 313-pouring pile model pile pipe, 314-pouring pile model pile shoe, 315-pouring completion line, 316-on-site line, 317-lower steel bar line, 318-pulling pipeline, 319-beginning pouring line, 3110-sinking sleeve pipeline; 32-forming pile model mechanism, 321-forming pile model pile pipe, 322-forming pile model pile shoe, 323-connecting layer, 324-built-in pipeline, 325-built-in pipeline port, 326-perforated partition board, 327-orifice, 328-reserved plug-in pipe hole and 329-imperforate partition board;

4-magnetic power mechanism, 41-fixed block, 42-horizontal thrust electromagnet, 43-uplift electromagnet, 44-electromagnet switch, 45-external pipeline, 46-external pipeline port, 47-rolling layer, 471-supporting plate, 472-rolling mechanism, 4721-roller fixing plate, 4722-roller mechanism, 47221-hollow cylinder, 47222-roller shaft, 48-horizontal thrust magnet, 49-uplift magnet, 410-forming pile magnet, 411-external pipeline magnet, 412-emulsion film;

5-a telescopic rod mechanism 51-comprising a support rod, 52-a lower adjusting rod, 53-an upper adjusting rod and 54-a connecting rod;

6-pouring tool mechanism, 61-piling mechanism, 611-sleeve, 612-pile shoe, 62-reinforcement cage, 63-pouring funnel mechanism, 631-piston rod, 632-rubber piston, 633-pouring funnel, 634-pouring guide pipe, 635-butt joint, 64-perforated pipe, 641-perforated pipe body, 642-lateral grout outlet and 65-reinforcing reinforcement;

7-pouring pulp mixing mechanism, 71-pouring pulp mixing box, 72-reinforced pulp mixing box, 73-white dye box, 74-black dye box, 75-magnet scrap box, 76-pouring pulp, 77-white dye, 78-black dye and 79-magnet scrap iron;

8-a bearing capacity testing mechanism, 81-a solid wood load, 82-a magnetic induction load, 83-an indicator light device and 84-a green indicator light;

9-pile breaking demonstration mechanism, 91-horizontal thrust displacement, 92-soil body uplifting, 93-breaking layer, 94-pumped floccule and 95-breaking layer reinforced slurry.

Detailed Description

The embodiment provides a simulation immersed tube bored concrete pile broken pile and demonstration device of reinforcing effect, combines fig. 1, arranges mechanism 3, magnetic power mechanism 4, telescopic link mechanism 5, perfusion apparatus mechanism 6, grout mixing mechanism 7 and bearing capacity accredited testing organization 8 including demonstration platform mechanism 1, ground analog mechanism 2, pile model.

With reference to fig. 2, the demonstration table mechanism 1 includes a solid wood base 11, a solid wood coaming 12, a perfusion apparatus box 13, a reinforcing material box 14, a telescopic rod box 15, a perfusion demonstration frame 16, a storage plate 17 and a rear bearing plate 18.

The demonstration table mechanism 1 is placed with an opening backwards. Seen from the right front of the demonstration table mechanism 1, the solid wood base 11 is positioned at the bottom of the demonstration table mechanism 1, and the solid wood coamings 12 are positioned at the left side and the right side of the demonstration table mechanism 1 and are used for placing the filling, grouting and mixing mechanism 7; the perfusion appliance box 13 is positioned at the left end of the demonstration table mechanism 1 and is used for placing the perfusion appliance mechanism 6, and the reinforcing material box 14 is positioned at the right corner end inside the perfusion appliance box 13; the telescopic rod box 15 is connected to the right side of the perfusion apparatus box 13 and is used for placing the telescopic rod mechanism 5; the right end of the perfusion demonstration frame 16 is connected with a solid wood coaming 12, the left end is connected with a telescopic rod box 15, the front end can be provided with a foundation simulation mechanism 2, and a pile model arrangement mechanism 3 and a magnetic power mechanism 4 can be placed inside the perfusion demonstration frame; the object placing plate 17 is positioned on the right side of the upper end of the perfusion demonstration frame 16 and is used for placing the bearing capacity testing mechanism 8; the rear bearing plate 18 is positioned at the rear side of the pouring demonstration frame 16 and is used for connecting and fixing the pile model arrangement mechanism 3 and the magnetic power mechanism 4.

As an alternative case:

the solid wood base 11 is a solid wood cuboid with the length of 1300mm, the width of 125mm and the height of 140 mm.

The solid wood coaming 12 is a wooden cuboid which is 1000mm long, 100mm wide, 900mm high and excessive with a fillet on the right side, and the radius of the fillet is 100 mm.

The perfusion appliance box 13 is a hollow plastic cuboid with the length of 280mm, the width of 125mm and the height of 760 mm.

The reinforcement box 14 is a hollow rectangular plastic block having a length of 28mm, a width of 300mm and a height of 130 mm.

The telescopic rod box 15 is a hollow plastic cuboid with the length of 120mm, the width of 125mm and the height of 760 mm.

The perfusion demonstration frame 16 is a plastic frame structure with the length of 1000mm, the width of 125mm and the height of 760 mm.

The object placing plate 17 is a plastic thin plate with the length of 520mm and the width of 125 mm.

The rear bearing plate 18 is a wood thin plate with the length of 1000mm and the width of 760 mm.

Referring to fig. 3, the ground simulation mechanism 2 includes a cast-in-place demonstration board 21, a shielding board 22, a forming pile board 23, weathered rock 24, sand 25, clay 26, a cast-in-place pile model visual board 27 and a forming pile model visual board 28.

The foundation simulation mechanism 2 is a plastic transparent plate, and when viewed from the right front of the foundation simulation mechanism 2: the perfusion demonstration plate 21, the shielding plate 22 and the forming pile plate 23 are sequentially arranged from left to right, and the perfusion demonstration plate 21 and the shielding plate 22 can be disassembled, replaced and assembled; the cast-in-place demonstration board 21 is sequentially provided with weathered rocks 24, sandy soil 25 and a cast-in-place pile model visual board 27 from bottom to top; the shielding plate 22 is sequentially provided with weathered rocks 24, sandy soil 25 and clay 26 from bottom to top; the forming pile plate 23 is sequentially provided with weathered rock 24, sandy soil 25 and clay 26 from bottom to top, and a forming pile model visible plate 28 is arranged at the center of the sandy soil 25 and the clay 26; the weathering rocks 24, sand 25 and clay 26 respectively arranged on the perfusion demonstration board 21, the shielding board 22 and the forming pile board 23, and the perfusion pile model visual board 27 on the perfusion demonstration board 21 and the forming pile model visual board 28 on the forming pile board 23 are combined with each other for visually simulating the normal position distribution of the foundation soil layer and the piles.

As an alternative case:

the perfusion demonstration plate 21 is a hollow transparent plastic thin plate with the length of 120mm, the width of 5mm and the height of 900 mm.

The shielding plate 22 is a hollow transparent plastic thin plate with a length of 120mm, a width of 5mm and a height of 900 mm.

The forming pile plate 23 is a hollow transparent plastic thin plate with the length of 760mm, the width of 5mm and the height of 900.

The thickness of the weathered rock 24 is 140mm of broken stone.

The sandy soil 25 is sand with a thickness of 400 mm.

The clay 26 is soft soil with the thickness of 360 mm.

The visual plate 27 of the cast-in-place pile model is a sharp transparent plastic thin plate with the length of 120mm, the width of 5mm, the height of the upper rectangular end of 660mm and the height of the lower tip of 100 mm.

The visible plate 28 of the forming pile model is a sharp transparent plastic thin plate with the length of 120mm, the width of 5mm, the height of the upper rectangular end of 660mm and the height of the lower tip of 100 mm.

Referring to fig. 4, the pile model arrangement mechanism 3 includes a cast-in-place demonstration pile model mechanism 31 and a formed pile model mechanism 32.

Referring to fig. 5, the cast-in-place demonstration pile model mechanism 31 includes a 4-fold pile diameter cast-in-place pile model 311, a 3-fold pile diameter cast-in-place pile model 312, a cast-in-place pile pipe 313, a cast-in-place pile model pile shoe 314, a cast-in-place completion line 315, a cast-in-place line 316, a lower reinforcement line 317, a pipe drawing line 318, a cast-in-place start line 319, and a sleeve sinking line 3110.

Referring to fig. 6, the formed pile model mechanism 32 includes a formed pile model pile tube 321, a formed pile model shoe 322, a tie layer 323, an internal conduit 324, an internal conduit port 325, a perforated partition 326, an aperture 327, a reserve socket 328, and an imperforate partition 329.

The cast-in-place demonstration pile model mechanism 31 and the forming pile model mechanism 32 are fixed on the rear bearing plate 18, and the top of the cast-in-place demonstration pile model mechanism is parallel to the rear bearing plate 18. The 4-time pile diameter cast-in-place pile model 311 and the 3-time pile diameter cast-in-place pile model 312 are abutted side by side and used for demonstrating the reason of pile breakage and pile breakage. The 4-fold pile diameter cast-in-place pile model 311 and the 3-fold pile diameter cast-in-place pile model 312 are both composed of a cast-in-place pile model pile pipe 313 and a cast-in-place pile model pile shoe 314.

The cast-in-place pile model pile pipe 313 is sequentially provided with a cast-in-place line 315, a cast-in-place line 316, a lower steel bar line 317, a pipe pulling line 318, a casting starting line 319 and a sinking casing line 3110 from bottom to top, and is used for demonstrating the sequence of the casting process during casting demonstration, wherein the cast-in-place line 315 is positioned at the top end of the cast-in-place pile model pile pipe 313, and the sinking casing line 3110 is positioned at the bottom end of the cast-in-place pile model pile pipe 313.

The forming pile model pile pipe 321 is positioned at the upper section of the forming pile model mechanism 32, is connected with a forming pile model pile shoe 322 and simulates the shape of a forming pile; the connecting layer 323 is positioned at the upper end of the forming pile model pile pipe 321, the built-in pipeline 324 is positioned at the center of the connecting layer 323 and is vertical to the forming pile model pile pipe 321, and a built-in pipeline port 325 is reserved for connecting the magnetic power mechanism 4; the forming pile model mechanism 32 is provided with a perforated partition plate 326, one perforated partition plate is arranged at the top end of a forming pile model pile pipe 321, the other perforated partition plate is arranged at the top end of a connecting layer 323, two orifices 327 are arranged on the perforated partition plate 326, the two orifices 327 are symmetrically arranged in front and back, the center of the orifice 327 is 30mm away from the center of the perforated partition plate 326, the two orifices of the perforated partition plate 326 arranged up and down are aligned, and 2 reserved inserting pipe holes 328 are arranged in the middle and used for reinforcing broken pile accident piles; a non-porous barrier 329 is positioned at the bottom end of the tie layer 323, insulating the tie layer 323.

As an alternative case:

the upper part of the 4-time pile diameter cast-in-place pile model 311 is a transparent plastic cylinder with the radius of 60mm and the height of 660mm, and the lower part is a transparent plastic cone with the radius of 60mm and the height of 100 mm.

The upper part of the 3-time pile diameter cast-in-place pile model 312 is a transparent plastic cylinder with the radius of 60mm and the height of 660mm, and the lower part is a transparent plastic cone with the radius of 60mm and the height of 100 mm.

The cast-in-place pile model pile pipe 313 is a transparent plastic cylinder with the radius of 60mm and the height of 660 mm.

The cast-in-place pile model shoe 314 is a transparent plastic cone with the radius of 60mm and the height of 100 mm.

The pouring completion line 315 is 0mm away from the top end of the cast-in-place pile model pile tube 313 and can be marked as a blue line.

Line 316 is marked as a red line 130mm from the top of cast-in-place pile model pile tube 313.

The lower reinforcement bar line 317 is 100mm away from the top end of the cast-in-place pile model pile tube 313 and can be marked as a purple line.

Pull-out line 318 is 200mm from the top of cast-in-place pile model pile tube 313 and may be marked as a yellow line.

The initial casting line 319 is 300mm from the top end of the cast-in-place pile model pile tube 313 and may be marked as a green line.

The sinking casing line 3110 is 660mm from the top of the cast-in-place pile model pile tube 313 and may be marked as a black line.

The forming pile model pile pipe 321 is a transparent plastic cylinder with the radius of 60mm and the height of 660 mm.

The pile shoe 322 of the forming pile model is a transparent plastic cone with the radius of 60mm and the height of 100 mm.

The connecting layer 323 is a hollow cylinder with the radius of 60mm and the height of 60 mm.

The built-in pipeline 324 is a transparent plastic pipeline with the length of 65mm, the width of 28mm and the height of 21 mm.

The built-in pipeline port 325 is an arc pipeline port with the radius of 60mm and the height of 21 mm.

Perforated partition 326 is a thin transparent plastic sheet with a radius of 60 mm.

The apertures 327 are circular holes of radius 21 mm.

The reserved plug-in pipe hole 328 is a transparent plastic cylinder with the radius of 21mm and the height of 70 mm.

The imperforate partition 329 is a thin transparent plastic sheet with a radius of 60 mm.

Referring to fig. 7, the magnetic power mechanism 4 includes a fixed block 41, a horizontal thrust electromagnet 42, a bulging electromagnet 43, an electromagnet switch 44, an external pipe 45, an external pipe port 46, a rolling layer 47, a horizontal thrust magnet 48, a bulging magnet 49, a forming pile magnet 410, an external pipe magnet 411, and a latex film 412.

With reference to fig. 8, 9 and 10, the rolling layer 47 includes a supporting plate 471 and a rolling mechanism 472, and the rolling mechanism 472 includes a roller fixing plate 4721 and a roller mechanism 4722; the roller mechanism 4722 includes a hollow cylinder 47221 and a roller shaft 47222.

The fixed block 41 is vertically arranged on the solid wood base 11, the horizontal thrust electromagnet 42 and the uplifting electromagnet 43 are respectively arranged at the designated positions of the fixed block 41, and the electromagnet switch 44 is connected with the horizontal thrust electromagnet 42 and the uplifting electromagnet 43 through a built-in circuit in the fixed block 41; when the electromagnet switch 43 is turned on, the horizontal thrust electromagnet 42 and the uplift electromagnet 43 generate magnetism, the external pipeline 45 is connected with the internal pipeline 324 and respectively arranged at the designated positions of the internal pipeline 324 and the external pipeline 45, and the external pipeline port 46 is arranged at the right side of the external pipeline 45 and is used for being connected with the internal pipeline port 325.

The rolling layer 47 is arranged in the fixed block 41, and the upper end of the rolling layer is flush with the upper end of the fixed block 41. Horizontal thrust magnet 48 is arranged in the middle of rolling layer 47, and magnet 49 is in the uplift electro-magnet 43 top, and shaping stake magnet 410 is arranged in shaping stake model mechanism 32, and external pipeline magnet 411 is arranged in external pipeline 45 right-hand member, and emulsion membrane 412 is arranged in the right front corner of fixed block 41 upper surface end, when electromagnet 43 produces the repulsion to magnet 49, plays the effect of blockking magnet 49 to demonstrate the soil body uplift phenomenon demonstration of disconnected stake demonstration process.

The supporting plates 471 are located at the upper and lower ends of the rolling layer 47 and are connected and fixed by thin rods. The rolling mechanism 472 is disposed in the supporting plate 471, and can roll left and right through the supporting plate 471. The roller fixing plates 4721 are located at the front and rear sides of the rolling mechanism 472, and the roller mechanisms 4722 are located at the upper and lower ends of the rolling mechanism 472 and fixed to the roller fixing plates 4721. The hollow cylinders 47221 are inserted on the roller shafts 47222, 10 roller shafts 47222 are arranged on the roller mechanism 4722, three hollow cylinders 47221 are arranged on each roller shaft 47222, and the hollow cylinders 47221 on the adjacent roller shafts 47222 are arranged in a staggered mode.

As an alternative case:

the fixed block 41 is a wood cuboid with the length of 85mm, the width of 76.5mm and the height of 760 mm.

The horizontal thrust electromagnet 42 is a plastic cuboid with the length of 33mm, the width of 28mm and the height of 20 mm.

The electromagnet 43 is a rectangular plastic block with a length of 33mm, a width of 28mm and a height of 20 mm.

The electromagnet switch 44 is a plastic cuboid with a length of 10mm, a width of 10mm and a height of 10 mm.

The external pipeline 45 is made of transparent plastic with the pipe body length of 400mm, the width of 28mm and the height of 21 mm.

The external pipeline port 46 is an arc pipeline port with the radius of 60mm and the height of 21 mm.

The rolling layer 47 is a plastic frame with a length of 66mm, a width of 28mm and a height of 200 mm.

The horizontal thrust magnet 48 is 33mm long, 28mm wide and 20mm high.

The bump magnet 49 is 33mm long, 28mm wide and 20mm high.

The formed pile magnet 410 has a length of 33mm, a width of 28mm, and a height of 20 mm.

The external pipe magnet 411 has a length of 33mm, a width of 28mm and a height of 20 mm.

The latex film 412 is a rectangular film having a length of 33mm and a width of 28 mm.

The supporting plate 471 is a transparent plastic thin plate with a length of 66mm and a width of 28 mm.

The roller fixing plate 4721 is a plastic transparent thin plate with a length 194mm and a width 66 mm.

The roller mechanism 4722 comprises a roller shaft 47222 and a hollow cylinder 47221, wherein the hollow cylinder 47221 is a hollow plastic cylinder with an inner diameter of 1.1mm and an outer diameter of 1.5mm, and the roller shaft 47222 is a solid plastic cylinder with a radius of 1mm and a length of 33 mm.

Referring to fig. 11, the telescopic rod mechanism 5 includes a support rod 51, a lower adjustment rod 52, an upper adjustment rod 53 and a connection rod 54.

The telescopic rod mechanism 5 is sequentially provided with a support rod 51, a lower adjusting rod 52 and an upper adjusting rod 53 from bottom to top, and the length of the lower adjusting rod 52 and the length of the upper adjusting rod 53 can be adjusted up and down. The connecting rod 54 is fixed to the upper adjusting rod 53 and can be extended and retracted.

As an alternative case:

the support rod 51 is a plastic cylinder with a radius of 60mm and a height of 260 mm.

The lower adjustment rod 52 is a plastic cylinder with a radius of 50mm and a height of 250 mm.

The upper adjusting rod 53 is a plastic cylinder with the radius of 40mm and the height of 250 mm.

The connecting rod 54 is a plastic hollow cylinder with a radius of 10.5mm and a protruding length of 30 mm.

Referring to fig. 12 and 14, the pourer mechanism 6 includes a pile driving mechanism 61, a reinforcement cage 62, a pouring funnel mechanism 63, an open tube 64 and reinforcing steel bars 65.

Referring to fig. 13, the pile driving mechanism 61 includes a sleeve 611 and a pile shoe 612.

Referring to fig. 15, the funnel mechanism 63 includes a piston rod 631, a rubber piston 632, a funnel 633, a grouting conduit 634, and a docking port 635.

Referring to fig. 16, the perforated pipe 64 includes a perforated pipe body 641 and a side grout outlet 642.

The pouring tool mechanism 6 is arranged in the pouring tool box 13 from left to right in sequence as a piling mechanism 61, a reinforcement cage 62, a pouring funnel mechanism 63, a perforated pipe 64 and a reinforcing steel bar 65, and the perforated pipe 64 and the reinforcing steel bar 65 are arranged in the reinforcing material box 14. The sleeve 611 is connected to the shoe 612. The pouring funnel mechanism 63 is sequentially provided with a piston rod 631, a rubber piston 632, a grouting funnel 633 and a grouting guide pipe 634 from top to bottom, the butt joint 635 is fixed on the grouting funnel 633, and two grout outlet holes 642 are reserved on the perforated pipe body 641.

As an alternative case:

the sleeve 611 is a plastic cylinder with a radius of 60mm and a height of 660 mm.

The shoe 612 is a plastic cone with a radius of 60mm and a height of 100 mm.

The reinforcement cage 62 is a plastic reinforcement cage frame with a radius of 50mm and a height of 600 mm.

The piston rod 631 is a plastic cylinder with a radius of 20mm and a height of 100 mm.

The rubber piston 632 is a leather cylinder with a radius of 60 and a height of 20 mm.

The grouting guide 634 is a hollow plastic cylinder with a radius of 25mm and a height of 600 mm.

The interface 635 is a hollow plastic cylinder with a radius of 10mm and a protruding length of 50 mm.

The open-pore pipe body 641 is a hollow cylinder with a radius of 20mm and a length of 130 mm.

The lateral grout outlet 642 is a circular hole with a radius of 10 mm.

Referring to fig. 17, the filling paste mixing mechanism 7 includes a filling paste mixing box 71, a reinforced paste mixing box 72, a white dye box 73, a black dye box 74, a magnet scrap box 75, a filling paste 76, a white dye 77, a black dye 78, and magnet scrap 79.

The grouting mixing box 71, the reinforced slurry mixing box 72, the white dye box 73, the black dye box 74 and the magnet scrap box 75 on the grouting mixing mechanism 7 are all arranged on the solid wood coaming 12, the grouting mixing box 71, the reinforced slurry mixing box 72, the white dye box 73, the black dye box 74 and the magnet scrap box 75 are all unsealed, the grouting 76 is stored in the grouting mixing box 71 and the reinforced slurry mixing box 72, the white dye 77 is stored in the white dye box 73, the black dye 78 is stored in the black dye box 74, and the magnet scrap 79 is stored in the magnet scrap box 75.

As an alternative case:

the pouring slurry mixing box 71 is a plastic cuboid with the length of 900mm, the width of 100mm and the height of 30 mm.

The reinforced slurry mixing box 72 is a plastic cuboid with the length of 870mm, the width of 100mm and the height of 30 mm.

The white dye box 73 is an arc-shaped plastic box with the radius of 100 mm.

The black dye box 74 is an arc-shaped plastic box with the radius of 100 mm.

The magnetic iron chip box 75 is a plastic cuboid with the length of 100mm, the width of 50mm and the height of 30 mm.

The grouting slurry 76 is a clear, colorless slurry.

The white dye 77 is a white liquid.

The black dye 78 is a black liquid.

The magnet pieces 79 are black pieces of debris.

With reference to fig. 18, the bearing capacity testing mechanism 8 includes a solid wood load 81, a magnetic induction load 82, an indicator light device 83 and a green indicator light 84, the solid wood load 81, the magnetic induction load 82 and the indicator light device 83 are all disposed on the object placing plate 17, the solid wood load 81 and the magnetic induction load 82 are disposed side by side, a magnetic inductor is disposed inside the magnetic induction load 82, a bluetooth transmission signal is transmitted to the indicator light device 83 through a built-in bluetooth, and the green indicator light 84 is located in the center of the indicator light device 83.

As an alternative case:

the solid wood load 81 is a solid cube of wood having a length of 30 mm.

The magnetically induced load 82 is a plastic hollow cube with a length of 30 mm.

The indicator light device 83 is a plastic hollow cuboid with the length of 50mm, the width of 20mm and the height of 50 mm.

The green indicator light 84 is a circular glass light with a radius of 10 mm.

With reference to fig. 19, the pile-breaking demonstration mechanism 9 includes a horizontal thrust displacement 91, a soil mass bulge 92, a breaking layer 93, a pumped-off floccule 94, and a breaking layer reinforcing paste 95, the horizontal thrust displacement 91 is the length of the rolling track of the rolling mechanism 472, the soil mass bulge 92 is located at the right front, the breaking layer 93 is located in the pile-forming model mechanism 32, the center is parallel to the center of the horizontal thrust displacement 91, the pumped-off floccule 94 is located in the external pipe 45, the floccule adheres to the external pipe magnet 411, the floccule originally exists in the breaking layer 93, and the breaking layer reinforcing paste 95 fills the breaking layer 93 and the external pipe 45.

As an alternative case:

the length of the horizontal thrust displacement 81 is 28 mm.

The soil body ridge 92 is a convex cuboid with the length of 33mm, the width of 28mm and the height of 20 mm.

The fracture layer 93 is a transparent hollow layer with a radius of 60mm and a height of 60 mm.

The extracted floe 94 is 50 pieces of light tissue paper 50mm long and 10mm wide.

The following describes the present application in detail.

Firstly, pouring a 4-time pile diameter cast-in-place pile model and detecting the bearing capacity of adjacent formed piles.

The first step is as follows: and (5) mixing the pouring slurry. Simulating concrete grout, putting grouting slurry 76 into a grouting mixing box 71, adding white dye 77 in a white dye box 73 into the grouting mixing box 71 for mixing, and preparing white grouting slurry.

The second step is that: the perfusion funnel mechanism 63 is installed. The funnel mechanism 63 is removed from the perfusion apparatus housing 13 and connected to the connecting rod 54 of the telescopic rod mechanism 5 via the docking port 635.

The third step: in place. The sleeve 611 and the shoe 612 of the pile driving mechanism 61 are connected and placed in the 4-fold pile diameter cast-in-place pile model 311, and the shoe 612 is aligned with the red seating line 316.

The fourth step: the casing 611 is sunk. The pile driving mechanism 61 is placed entirely in the 4-fold pile diameter cast-in-place pile model 311 with the bottom of the casing 611 aligned with the black run-in casing line 3110.

The fifth step: and (6) pouring. The length of the telescopic rod mechanism 5 and the length of the connecting rod 54 are adjusted, the pouring funnel mechanism 63 is inserted into the sleeve 611 by rotating by 90 degrees, and the mixed white pouring slurry is poured into the pouring pile model 311 with 4 times of pile diameter through the grouting guide pipe 634 on the pouring funnel mechanism 63 until the green pouring starting line 319.

And a sixth step: pouring while pulling the pipe. And continuously injecting the mixed white grouting slurry into the 4-time pile diameter grouting pile model 311 through the grouting funnel mechanism 63, and simultaneously vertically pulling up the sleeve 611 until the yellow pipe pulling line 318.

The seventh step: the lower cage 62. After the sleeve 611 is pulled out to the purple lower reinforcement line 317, the reinforcement cage 62 is taken out from the pouring appliance box 13 and is vertically placed into the pouring pile model 311 with the diameter of 4 times of the pile diameter, and the bottom end of the casting pile is inserted into the injected white pouring grout.

Eighth step: and (6) pouring. After the sleeve 611 is pulled out, the telescopic rod mechanism 5 is adjusted to continue to pour white grouting slurry until the pouring slurry is higher than blue, and the pouring completion line 315 overflows from the top of the 4-time pile diameter grouting pile model 311.

The ninth step: the pour funnel mechanism 63 is withdrawn. The length of the telescopic rod mechanism 5 is adjusted, the grouting guide pipe 634 on the grouting funnel mechanism 63 in the 4-time pile diameter grouting pile model 311 is pulled out, and the grouting guide pipe is arranged on one side by rotating 90 degrees.

The tenth step: and detecting the bearing capacity. The magnetic induction load 82 of the built-in magnetic inductor is placed at the pile top of the forming pile model mechanism 32, and a green indicator light 84 of an indicator light device 83 is turned on; the solid wood load 81 is placed at the pile top of the forming pile model mechanism 32, the green indicator light 84 of the indicator light device 83 is still on, and the bearing capacity detection reaches the standard.

And (II) pouring the 3-time pile diameter cast-in-place pile model and detecting the bearing capacity of adjacent formed piles.

The first step is as follows: the perfusion demonstration frame 16 is removed and replaced. The shield plate 22 in front of the 4-fold pile diameter cast-in-place pile model 311 and the 3-fold pile diameter cast-in-place pile model 312 is removed and replaced.

The second step is that: and (5) mixing the pouring slurry. Simulating concrete grout, putting grouting slurry 76 into a grouting mixing box 71, adding white dye 77 in a white dye box 73 into the grouting mixing box 71 for mixing, and preparing white grouting slurry.

The third step: the perfusion funnel mechanism 63 is installed. The funnel mechanism 63 is removed from the perfusion apparatus housing 13 and connected to the connecting rod 54 of the telescopic rod mechanism 5 via the docking port 635.

The fourth step: in place. The sleeve 611 and the shoe 612 of the pile driving mechanism 61 are connected and placed in the 3-fold pile diameter cast-in-place pile model 312, and the shoe 612 is aligned with the red seating line 316.

The fifth step: the casing 611 is sunk. The pile driving mechanism 61 is placed entirely in the 3-fold pile diameter cast-in-place pile model 312 with the bottom of the casing 611 aligned with the black run-in casing line 3110.

And a sixth step: and (6) pouring. The length of the telescopic rod mechanism 5 and the length of the connecting rod 54 are adjusted, the pouring funnel mechanism 63 is rotated by 90 degrees to be inserted into the center of the sleeve 611, and the mixed white pouring slurry is poured into the 3-fold pile diameter pouring pile model 312 through the grouting guide pipe 634 of the pouring funnel mechanism 63 to reach the green pouring starting line 319.

The seventh step: pouring while pulling the pipe. And continuously injecting the mixed white grouting slurry into the 3-time pile diameter grouting pile model 312 through the grouting funnel mechanism 63, and simultaneously vertically pulling up the sleeve 611 to a yellow pipe pulling line 318.

Eighth step: the lower cage 62. After the sleeve 611 is pulled out to the purple lower reinforcement line 317, the reinforcement cage 62 is taken out from the pouring appliance box 13 and is vertically placed into the 3-time pile diameter pouring pile model 312, and the bottom end of the casting is inserted into the injected white pouring grout.

The ninth step: and (6) pouring. After the sleeve 611 is pulled out, the telescopic rod mechanism 5 is adjusted to continue to pour white grouting slurry until the grouting slurry is higher than blue pouring completion line 315, and the pouring slurry overflows from the top of the 3-time pile diameter grouting pile model 312.

The tenth step: the pour funnel mechanism 63 is withdrawn. The length of the telescopic rod mechanism 5 is adjusted, the grouting guide pipe 634 on the grouting funnel mechanism 63 in the 3-time pile diameter grouting pile model 312 is pulled out, and the grouting guide pipe is arranged on one side by rotating 90 degrees.

The eleventh step: and (5) demonstrating the pile breaking process. The electromagnet switch 44 is opened, the horizontal thrust electromagnet 42 and the uplift electromagnet 43 generate magnetism, the rolling mechanism 472 in the rolling layer 47 moves 28mm from left to right, under the blocking effect of the latex film 412, the uplift magnet 49 with the plane raised height of 20mm of the demonstration table mechanism 1 is arranged, the horizontal thrust magnet 48 on the rolling mechanism 472 has the repulsive force effect on the forming pile magnet 410, the external pipeline magnet 411 in the external pipeline 45 on the right side generates the suction effect on the uplift magnet, and the floccule adhered to the forming pile magnet 410 is adsorbed to the external pipeline magnet 411 along with the forming pile magnet 410 through the pipeline formed by connecting the internal pipeline 324 and the external pipeline 45, so that the hollow fracture layer 93 is visually formed.

The twelfth step: and detecting the pile bearing capacity of the broken pile accident. The magnetic induction load 82 is placed on the pile top of the formed pile, the green indicator light 84 of the indicator light device 83 is not on, and the bearing capacity does not reach the standard.

The thirteenth step: and (5) reinforcing the pouring slurry and mixing. Simulating concrete slurry, putting the pouring slurry into a reinforced slurry mixing box 72, adding the black dye 78 in the black dye box 74 and the magnet scrap 79 in the magnet scrap box 75 into the reinforced slurry mixing box 72 for mixing, and preparing black reinforced pouring slurry.

The fourteenth step is that: and (5) pile reinforcement in the pile breakage accident. And inserting the perforated pipe 64 into the imperforate partition 329 at the lower end of the fracture layer 93 through the reserved insertion pipe hole 328, then inserting the reinforcing steel bars 65, pouring black reinforcing grouting until the black grouting is full of the fracture layer 93 and the external pipeline 45 and overflows the orifice 327, and pulling out the perforated pipe 64.

The fifteenth step: and detecting the bearing capacity of the reinforced pile in the pile breakage accident. The magnetic induction load 82 is placed on the reinforced broken pile accident pile, the green indicator lamp 84 of the indicator device 83 is lighted, the solid wood load 81 is placed, the green indicator lamp 84 of the indicator device 83 is lighted, and the bearing capacity detection reaches the standard.

The beneficial effects of the present case can be briefly summarized as follows:

(1) is safe and beautiful. The demonstration table mechanism of the case is a round-angle open type model, corners are transited by round angles, and the round-angle outline and the right-angle outline of the model table are compared, so that the demonstration table mechanism is higher in safety and also accords with the aesthetic perception of the public; the demonstration model assembled by the plate, the demonstration personnel can be arranged at the inner opening for explanation, the constructor listens on the front side, the whole demonstration platform is like a platform, the required appliances of the whole demonstration process are arranged on the demonstration platform, the teaching mode is pressed close to, and the constructor can understand the demonstration process.

(2) The portability is high. The demonstration device is formed by assembling various light plates, is light in weight, and is suitable for technical guidance of construction personnel when being carried to various construction sites by demonstration personnel.

(3) And (4) the versatility. The demonstration device not only can demonstrate normal pipe sinking pile pouring process, but also can demonstrate pile breakage accidents and pile breakage accident treatment methods, and highlights the reinforcement effect on pile breakage accidents through detection and comparison of the front bearing capacity and the rear bearing capacity of pile breakage accidents.

(4) The operation is simple. The demonstration device of the embodiment is used for demonstrating pile breakage of the immersed tube cast-in-place pile under the control of the switch of the electromagnet device, and the whole operation is simple and clear.

(5) Is green and environment-friendly. In the constitution of the demonstration device, the soil layer distribution in the foundation simulation mechanism 2 is sealed and arranged in the plastic thin plate, and can be recycled, so that the real distribution of the soil layer of the foundation is visually felt, and the soil layer in the plastic plate is the waste soil material of the construction site, thereby utilizing waste.

(6) The simulation degree is high. In the pile breaking demonstration process of the cast-in-place pile model, the cast-in-place pile pouring extrusion force is simulated through the generation of electromagnetic ferromagnetism, then the phenomenon of soil mass bulging and breaking layer generation in the pile breaking process is simulated by pushing a magnetic power mechanism based on the characteristic that like poles repel each other and the opposite poles attract each other of the magnets, only a simple control electromagnet switch is needed, the pile breaking demonstration process is basically full-automatic, manual intervention is few, and the pile breaking accident occurrence principle of the actual.

(7) And (6) visualization. The visual template and the transparent model are designed to be filled, so that the whole process of filling demonstration and pile breaking demonstration is visualized, and the understanding of the abstract process of immersed tube filling pile breaking accident and reinforcement processing by constructors is facilitated.

Claims (10)

1. The utility model provides a simulation immersed tube bored concrete pile broken pile and demonstration device of reinforcement effect which characterized in that: comprises a demonstration table mechanism, a foundation simulation mechanism, a pile model arrangement mechanism, a magnetic power mechanism, a telescopic rod mechanism, a perfusion appliance mechanism, a perfusion slurry mixing mechanism and a bearing capacity testing mechanism,

the demonstration table mechanism comprises a solid wood base, solid wood surrounding plates, a perfusion appliance box, a reinforcing material box, a telescopic rod box, a perfusion demonstration frame, an object placing plate and a rear bearing plate, wherein the solid wood base is positioned at the bottom of the demonstration table mechanism, the solid wood surrounding plates are positioned at the left side and the right side of the demonstration table mechanism, and a perfusion slurry mixing mechanism is arranged on the solid wood base; the perfusion appliance box is positioned at the left end of the demonstration table mechanism and is used for placing the perfusion appliance mechanism; the reinforcing material box is positioned at the right corner end inside the perfusion appliance box; the telescopic rod box is connected to the right side of the perfusion appliance box and is used for placing the telescopic rod mechanism; the right end of the perfusion demonstration frame is connected with a solid wood coaming, the left end of the perfusion demonstration frame is connected with a telescopic rod box, the front end of the perfusion demonstration frame is provided with a foundation simulation mechanism, an internal pile placement model arrangement mechanism and a magnetic power mechanism; the object placing plate is positioned on the right side of the upper end of the perfusion demonstration frame and is used for placing the bearing capacity testing mechanism; the rear bearing plate is positioned at the rear side of the perfusion demonstration frame and is used for connecting and fixing the pile model arrangement mechanism and the magnetic power mechanism;

the pile model arrangement mechanism comprises a cast-in-place demonstration pile model mechanism and a forming pile model mechanism, the cast-in-place demonstration pile model mechanism comprises a 4-time pile diameter cast-in-place pile model, a 3-time pile diameter cast-in-place pile model, a cast-in-place pile model pile pipe and a cast-in-place pile model pile shoe, and the forming pile model pile pipe is positioned at the upper section of the forming pile model mechanism and connected with the forming pile model pile shoe;

the forming pile model mechanism comprises a forming pile model pile pipe, a forming pile model pile shoe, a connecting layer, a built-in pipeline port, a partition plate with a hole, a reserved pipe inserting hole and a non-porous partition plate, wherein the connecting layer is positioned at the upper end of the forming pile model pile pipe, the built-in pipeline is positioned at the central position of the connecting layer and is vertical to the forming pile model pile pipe, and the built-in pipeline port is reserved and is used for connecting a magnetic power mechanism;

the model mechanism of the perfusion demonstration pile and the model mechanism of the forming pile are fixed on the rear bearing plate, the top of the model mechanism is parallel to the rear bearing plate, the 4-time pile diameter perfusion pile model and the 3-time pile diameter perfusion pile model are abutted side by side and used for demonstrating the causes of continuous pile breaking and pile breaking, and the 4-time pile diameter perfusion pile model and the 3-time pile diameter perfusion pile model are both composed of a perfusion pile model pile pipe and a perfusion pile model pile shoe.

2. The demonstration device for simulating the pile breaking and reinforcing effects of the driven cast-in-place pile according to claim 1, wherein: the foundation simulation mechanism comprises a perfusion demonstration plate, a shielding plate, a forming pile plate, a perfusion pile model visual plate and a forming pile model visual plate, wherein the perfusion demonstration plate, the shielding plate and the forming pile plate are sequentially arranged; arranging weathered rock, sandy soil and a cast-in-place pile model visual plate in sequence from bottom to top on the cast-in-place demonstration plate; the shielding plate is sequentially provided with weathered rock, sandy soil and clay from bottom to top; the forming pile plate is sequentially provided with weathered rock, sandy soil and clay from bottom to top, and a forming pile model visible plate is arranged in the middle of the sandy soil and the clay; and (3) pouring weathered rocks, sandy soil and clay which are respectively arranged on the demonstration plate, the shielding plate and the forming pile plate.

3. The demonstration device for simulating the pile breaking and reinforcing effects of the driven cast-in-place pile according to claim 1, wherein: the cast-in-place pile model pile pipe is sequentially provided with a cast-in-place line, an on-line, a lower steel bar line, a pipeline pulling-out line, a cast-in-place line and a sinking-in sleeve pipeline from top to bottom and used for demonstrating the sequence of a cast-in-place process.

4. The demonstration device for simulating the pile breaking and reinforcing effects of the driven cast-in-place pile according to claim 1, wherein: the magnetic power mechanism comprises a fixed block, a horizontal thrust electromagnet, a bulging electromagnet, an electromagnet switch, an external pipeline opening, a rolling layer, a horizontal thrust magnet, a bulging magnet, a forming pile magnet, an external pipeline magnet and a latex film;

the rolling layer comprises a supporting plate and a rolling mechanism, and the rolling mechanism comprises a roller fixing plate and a roller mechanism; the roller mechanism comprises a hollow cylinder and a roller shaft; the fixed block is arranged on the solid wood base, the horizontal thrust electromagnet and the uplifting electromagnet are respectively arranged at the designated positions of the fixed block, and the electromagnet switch is connected with the horizontal thrust electromagnet and the uplifting electromagnet through a built-in circuit in the fixed block; the electromagnet switch is turned on, the horizontal thrust electromagnet and the uplift electromagnet can generate magnetism, the external pipeline is connected with the internal pipeline and respectively arranged at the designated positions of the internal pipeline and the external pipeline, and the port of the external pipeline is positioned at the right side of the external pipeline and is used for connecting the port of the internal pipeline;

the rolling layer is arranged in the fixed block, and the upper end of the rolling layer is flush with the upper end of the fixed block;

the horizontal thrust magnet is arranged in the middle of the rolling layer, the uplift magnet is arranged above the uplift electromagnet, the forming pile magnet is positioned in the forming pile model mechanism, the external pipeline magnet is positioned at the right end in the external pipeline, and the latex film is positioned at the right front corner of the upper layer end of the fixed block;

the rolling mechanism is arranged in the supporting plate, the supporting plate is positioned at the upper end and the lower end of the rolling layer, the roller fixing plates are positioned at the front side and the rear side of the rolling mechanism, the roller mechanisms are positioned at the upper end and the lower end of the rolling mechanism and are fixed on the roller fixing plates, the roller mechanisms are provided with roller shafts, and the hollow cylinders are inserted on the roller shafts.

5. The demonstration device for simulating the pile breaking and reinforcing effects of the driven cast-in-place pile according to claim 4, wherein: the pile breaking demonstration mechanism comprises horizontal thrust displacement, soil body swelling, a breaking layer, a pumped floccule and broken layer reinforced slurry, the rolling track length of the rolling mechanism forms the horizontal thrust displacement, the soil body swelling is located in the right front, the breaking layer is located in the forming pile model mechanism, the center of the breaking layer is parallel to the horizontal thrust displacement center, the pumped floccule is located in an external pipeline, the floccule is adhered to the external pipeline in an mess, and the broken layer reinforced slurry is filled in the breaking layer and the external pipeline communicated with the external pipeline.

6. The demonstration device for simulating the pile breaking and reinforcing effects of the driven cast-in-place pile according to claim 1, wherein: the pouring appliance mechanism is arranged in the pouring appliance box and comprises a pile driving mechanism, a reinforcement cage, a pouring funnel mechanism, a perforated pipe and reinforcing steel bars, wherein the pile driving mechanism, the reinforcement cage, the pouring funnel mechanism, the perforated pipe and the reinforcing steel bars are sequentially arranged.

7. The demonstration device for simulating the pile breaking and reinforcing effects of the driven cast-in-place pile according to claim 6, wherein: the pile driving mechanism comprises a sleeve and a pile shoe; the pouring funnel mechanism comprises a piston rod, a rubber piston, a pouring funnel, a pouring guide pipe and a butt joint, the piston rod, the rubber piston, the pouring funnel and the pouring guide pipe are sequentially arranged from top to bottom, and the butt joint is fixed on the pouring funnel; the perforated pipe comprises a perforated pipe body and side grout outlet holes, and two grout outlet holes are reserved in the perforated pipe body.

8. The demonstration device for simulating the pile breaking and reinforcing effects of the driven cast-in-place pile according to claim 1, wherein: the grouting and mixing mechanism comprises a grouting and mixing box, a reinforced slurry mixing box, a white dye box, a black dye box and a magnet scrap box, wherein the grouting and mixing box, the reinforced slurry mixing box, the white dye box, the black dye box and the magnet scrap box are all arranged on a solid wood enclosing plate, grouting slurry is stored in the grouting and mixing box and the reinforced slurry mixing box, white dye is stored in the white dye box, black dye is stored in the black dye box, and magnet scrap is stored in the magnet scrap box.

9. The demonstration device for simulating the pile breaking and reinforcing effects of the driven cast-in-place pile according to claim 1, wherein: bearing capacity accredited testing organization includes wood load, magnetic induction load, pilot lamp device, and wood load, magnetic induction load and pilot lamp device are all arranged in and are put the thing board, and the wood load is placed side by side with the magnetic induction load, and there is the magnetic inductor magnetic induction load inside, gives the pilot lamp device through built-in bluetooth transmission signal.

10. The demonstration device for simulating the pile breaking and reinforcing effects of the driven cast-in-place pile according to claim 1, wherein: the telescopic rod mechanism comprises a support rod, a lower adjusting rod, an upper adjusting rod and a connecting rod, wherein the support rod, the lower adjusting rod and the upper adjusting rod are sequentially arranged from bottom to top.

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