CN216839362U - Reinforced CFG pile composite foundation - Google Patents

Abstract

The utility model relates to a field of construction discloses a strenghthened type CFG stake composite foundation, and it includes that ground body, one end wear to establish the spud pile of ground body and be used for clearing up the drainage mechanism of groundwater, drainage mechanism wears to establish the pipe of ground body including burying underground in the internal header tank of ground basis and one end, the pipe is worn to establish the one end and the header tank intercommunication of ground body, link up on the tank wall of header tank and seted up the intercommunicating pore. The utility model provides a header tank can collect the internal groundwater of infiltration ground basic to can be to this internal waterproof mortar of carrying of ground, thereby reduced the ground body and taken place the possibility of softening under the influence of groundwater, maintained the supporting capability of ground body to the spud pile, improved the stability of spud pile.

Description

Reinforced CFG pile composite foundation

Technical Field

The application relates to the field of building construction, in particular to a reinforced CFG pile composite foundation.

Background

CFG piles are an abbreviation for cement fly ash gravel piles, which are generally provided in a foundation structure to improve the bearing capacity of the foundation structure.

Chinese patent with publication number CN211816367U discloses a reinforced CFG pile composite foundation, which comprises a plurality of fixed piles, wherein the outer side walls of the fixed piles are sleeved with and slidably connected with fixed sleeves. Through turnbuckle connection between two adjacent fixed covers, wear to establish and threaded connection has the screw rod in the fixed cover, and the one end rotation of screw rod is connected with the fixed plate, and fixedly connected with slide bar has seted up smooth chamber on the inner wall of fixed cover, and the slide bar is worn to establish into smooth chamber to with the cooperation of sliding in smooth chamber, one side of fixed plate is contradicted with the outer wall of spud pile. During construction, an operator firstly inserts the fixed pile into the foundation, then sleeves the fixed sleeve on the fixed pile, and fixes the fixed pile through the turnbuckle, thereby fixing the fixed pile.

In view of the above-described related art, the inventors believe that when groundwater infiltrates into the foundation, the foundation softens, and the support force of the softened foundation to the anchor pile decreases, which easily affects the stability of the anchor pile.

SUMMERY OF THE UTILITY MODEL

Among the correlation technique, after groundwater infiltrates the ground, the foundation descends the holding power of spud pile, influences the stability of spud pile easily, in order to improve this defect, this application provides a strenghthened type CFG stake composite foundation.

The application provides a strenghthened type CFG stake composite foundation adopts following technical scheme to obtain:

the utility model provides a strenghthened type CFG stake composite foundation body, wears to establish the spud pile of foundation body and the drainage mechanism who is used for clearing up groundwater including foundation body, one end, drainage mechanism wears to establish the pipe of foundation body including burying underground in the internal header tank of ground basic and one end, the pipe is worn to establish the one end and the header tank intercommunication of foundation body, link up on the tank wall of header tank and seted up the intercommunicating pore.

Through the technical scheme, in the construction process, after groundwater permeates into the foundation body, a part of groundwater enters the water collecting tank through the communication holes. At this time, the operator uses a pumping device to pump the groundwater in the header tank through the guide pipe until the groundwater in the header tank is pumped out. Then, the operator injects waterproof mortar into the water collecting tank through the guide pipe, and after the water collecting tank is filled with the waterproof mortar, the waterproof mortar permeates into the foundation body through the communication hole and blocks the channel of the underground water. After the waterproof mortar is hardened, underground water is difficult to continuously permeate into the foundation body, and the possibility of softening of the foundation body is reduced, so that the supporting force of the foundation body on the fixing pile is maintained, and the stability of the fixing pile is improved.

Preferably: foundation body top covers has the sclerosis layer, the one end and the spud pile top that the header tank was kept away from to the pipe all wear to establish the sclerosis layer, a plurality of guiding gutters have been seted up, and are a plurality of to one side that the sclerosis layer deviates from the foundation body the guiding gutter communicates each other.

Through above-mentioned technical scheme, during rainy day, the sclerosis layer blocks the rainwater to discharge the rainwater through the guiding gutter, realized the isolation and dredging to the rainwater, reduced the ground body and taken place the possibility of softening because of absorbing the rainwater.

Preferably: be equipped with the reinforcement subassembly on the sclerosis layer, the reinforcement subassembly includes the lantern ring, all be equipped with the screw thread on the inside wall of the lantern ring with the lateral wall of spud pile, lantern ring cover is established and threaded connection is on the spud pile, the terminal surface and the sclerosis layer of the lantern ring are contradicted.

Through above-mentioned technical scheme, after the ground body is worn to establish into by the spud pile, the operator overlaps the lantern ring cover and establishes on the spud pile to rotate the spud pile, rotate the in-process gradually with lantern ring threaded connection on the spud pile, conflict with the sclerosis layer up to the terminal surface of the lantern ring, can accomplish the installation to the lantern ring. When the spud pile takes place to sink, the lantern ring supports the spud pile through the screw thread, and the sclerosis layer bears the pulling force that the spud pile produced when sinking with the lantern ring jointly to realized the reinforcement to the spud pile, improved the stability of spud pile.

Preferably: the reinforcement assembly further comprises a reinforcement ring fixedly connected to one side of the sleeve ring facing the hardened layer, an annular groove is formed in the periphery of the fixing pile on one side of the hardened layer, which deviates from the foundation body, and the reinforcement ring is in plug-in connection with the annular groove.

Through above-mentioned technical scheme, when the spud pile received along radial vibration influence with the lantern ring, the cell wall of ring channel was spacing to spud pile and lantern ring along the radial of spud pile, has reduced the spud pile and has taken place the possibility of shake, has improved the stability of spud pile.

Preferably: be equipped with slip casting mechanism on the sclerosis layer, slip casting mechanism includes slip casting platform, guide rail, cylinder and collecting vessel, the slip casting platform sets up in sclerosis layer top, the guide rail rotates to be connected on the slip casting platform, collecting vessel and cylinder all are connected with the slip casting platform, the port top of pipe is located to the one end of guide rail, and the collecting vessel top is located to the other end, the cylinder is used for driving the guide rail and rotates.

According to the technical scheme, when grouting is needed to be conducted in the guide pipe, the air cylinder drives the guide rail to rotate, so that the guide rail descends towards one end of the guide pipe until one end, close to the guide pipe, of the guide rail is located below one end, far away from the guide pipe, of the guide rail, then the grouting equipment injects waterproof mortar into the guide rail, and the waterproof mortar flows downwards through the guide rail and then enters the guide pipe; after the grouting is completed, the air cylinder drives the guide rail to rotate along the opposite direction until one end of the guide rail, which is far away from the guide pipe, is positioned below one end, which is close to the guide pipe, of the guide rail, and then, residual waterproof mortar in the guide rail flows into the collecting barrel through the guide rail, so that the collection of redundant waterproof mortar is realized.

Preferably: the grouting mechanism further comprises a funnel arranged between the guide pipe and the guide rail, and one end, with a smaller opening, of the funnel is communicated with the guide pipe.

Through above-mentioned technical scheme, when the guide rail was to water delivery waterproof mortar in the pipe, the funnel was collected the waterproof mortar that falls outside the pipe scope to waterproof mortar has been reduced and has been caused extravagant possibility.

Preferably: the less one end fixedly connected with go-between of funnel opening, all be equipped with the screw thread on the inside wall of go-between and the lateral wall of pipe, the go-between cover is established in the pipe outside, and with pipe threaded connection.

Through above-mentioned technical scheme, when the funnel was demolishd to needs, the operator rotated the funnel, until the threaded connection between go-between and the pipe is relieved, then can take off the funnel to reduced the funnel and caused the possibility that causes the hindrance to follow-up construction, improved the convenient degree of operation.

Preferably: the grouting platform bottom is rotated and is connected with the gyro wheel, the gyro wheel is contradicted with the sclerosis layer, one side of gyro wheel is equipped with the pneumatic cylinder, the cylinder body and the grouting platform fixed connection of pneumatic cylinder, the output and the sclerosis layer of pneumatic cylinder are contradicted.

Through above-mentioned technical scheme, when needs remove slip casting platform, the output retraction of pneumatic cylinder is contradicted until gyro wheel and sclerosis layer, and then the operator can promote the slip casting platform and remove to the regulation to slip casting platform position has been realized. After the completion is to the removal of slip casting platform, the output extension of pneumatic cylinder to drive the slip casting platform rebound, leave the sclerosis layer until the gyro wheel, can realize the fixed to slip casting platform position.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the groundwater permeates into the foundation body, an operator firstly extracts the groundwater in the water collecting tank through the guide pipe, then fills waterproof mortar into the water collecting tank through the guide pipe, and can realize isolation and plugging of the groundwater after the waterproof mortar is hardened, so that the possibility of softening of the foundation body is reduced, and the stability of the fixing pile is improved;

2. when the spud pile takes place to sink, the lantern ring bears the pulling force that the spud pile produced jointly with the sclerosis layer to realized supporting the spud pile, improved the stability of spud pile.

Drawings

Fig. 1 is an overall structure diagram of a reinforced CFG pile composite foundation according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram for showing a drainage mechanism according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram for showing a reinforcing component according to an embodiment of the present application.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Reference numerals: 1. a foundation body; 2. a hardened layer; 3. fixing the pile; 4. a drainage mechanism; 41. a water collection tank; 42. a conduit; 5. a reinforcement assembly; 51. a collar; 52 reinforcing the ring; 6. a grouting mechanism; 61. grouting a platform; 62. a guide rail; 63. a cylinder; 64. a collection barrel; 65. a funnel; 7. a diversion trench; 8. a communicating hole; 9. a roller; 10. a hydraulic cylinder; 11. a support bar; 12. a connecting ring; 13. an annular groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses strenghthened type CFG stake composite foundation. Referring to fig. 1, the reinforced CFG pile composite foundation comprises a foundation body 1, a hardened layer 2, a fixing pile 3, a drainage mechanism 4, a reinforcing component 5 and a grouting mechanism 6, wherein the hardened layer 2 covers the foundation body 1, a plurality of guide grooves 7 are formed in the hardened layer 2, the guide grooves 7 are divided into two groups, one group of guide grooves 7 are arranged along the length direction of the foundation body 1, the other group of guide grooves 7 are arranged along the width direction of the foundation body 1, and the two groups of guide grooves 7 are communicated with each other; spud pile 3 can be the CFG stake, and spud pile 3 is equipped with threely altogether, and three spud pile 3 sets up along the length direction interval of foundation body 1, and sclerosis layer 2 is worn to establish along vertical direction in the bottom of spud pile 3 to bury underground in foundation body 1.

Referring to fig. 1, after groundwater permeates into a foundation body 1, groundwater in the foundation body 1 is removed through a water discharging mechanism 4 by a water pumping device, then waterproof mortar is injected into the foundation body 1 through a grouting mechanism 6 by a grouting device, and plugging of the groundwater can be realized after the waterproof mortar is hardened, so that the possibility of groundwater permeation into the foundation body 1 is reduced; in the work progress, consolidate subassembly 5 and consolidate spud pile 3, improve spud pile 3's stability. During rainy day, sclerosis layer 2 blocks the rainwater, and guiding gutter 7 dredges the rainwater that falls on sclerosis layer 2, reduces and takes place the possibility of softening after ground body 1 absorbs the rainwater.

Referring to fig. 1 and 2, the drainage mechanism 4 includes two water collection tanks 41 and a guide pipe 42, the two water collection tanks 41 are buried in the foundation body 1, the two water collection tanks 41 are arranged at intervals in the width direction of the foundation body 1, and the communication holes 8 are formed through the side walls of the water collection tanks 41. The number of the guide pipes 42 is two, the guide pipes 42 correspond to the water collecting tanks 41 one by one, the guide pipes 42 penetrate through the hardening layer 2 from top to bottom along the vertical direction and penetrate into the foundation body 1, and one ends of the guide pipes 42 penetrating into the foundation body 1 are communicated with the water collecting tanks 41.

Referring to fig. 1 and 2, after groundwater permeates into the foundation body 1, a part of groundwater flows in the foundation body 1 until it enters the sump 41 through the communication hole 8. Then, the pumping pipe of the pumping device is extended into the guide pipe 42 and the groundwater is pumped until the groundwater collected in the sump 41 is pumped out. Then, the operator takes out the suction pipe from the guide pipe 42 and waits for the grouting equipment to inject the waterproof mortar into the header tank 41.

Referring to fig. 1, the grouting mechanism 6 comprises a grouting platform 61, a guide rail 62, a cylinder 63, a collecting barrel 64 and a funnel 65, four rollers 9 are fixedly connected to the bottom end of the grouting platform 61, and the rollers 9 are abutted to the hardened layer 2; the bottom end of the grouting platform 61 is fixedly connected with hydraulic cylinders 10 at the positions adjacent to the four rollers 9, and the output ends of the hydraulic cylinders 10 are abutted against the hardened layer 2; the collecting barrel 64 and the air cylinder 63 are fixedly connected with one end, away from the hardened layer 2, of the grouting platform 61, a supporting rod 11 is arranged on one side, away from the collecting barrel 64, of the air cylinder 63, the supporting rod 11 is fixedly connected with the grouting platform 61, the guide rail 62 is rotatably connected to the top end of the supporting rod 11, and the output end of the air cylinder 63 abuts against the bottom end of the guide rail 62; one end of the guide rail 62 is positioned above the collecting barrel 64, the other end is positioned above the guide pipe 42, and the joint of the connecting rod and the guide rail 62 is arranged at one end of the connecting rod close to the guide pipe 42; the smaller end of the opening of the funnel 65 is fixedly connected with the connecting ring 12, the inner side wall of the connecting ring 12 and the outer side wall of the conduit 42 are both provided with threads, and the conduit 42 is arranged in the connecting ring 12 in a penetrating manner and is in threaded connection, so that the funnel 65 can be conveniently detached and replaced; funnel 65 can increase the scope that conduit 42 collected waterproof mortar, reduces the waste to waterproof mortar.

Referring to fig. 1, when it is desired to feed waterproof mortar into foundation body 1, the output end of hydraulic cylinder 10 is extended and roller 9 is lifted off the ground, and then cylinder 63 pushes the end of rail 62 away from guide tube 42 upward until the end of rail 62 near guide tube 42 is located below the end of rail 62 away from guide tube 42. Then, the grouting device delivers the waterproof mortar into the guide rail 62, and the waterproof mortar flows along the guide rail 62 and enters the water collection tank 41 through the conduit 42. When the water collecting tank 41 is filled with the waterproof mortar, a part of the waterproof mortar leaves the water collecting tank 41 through the communication hole 8 and permeates into the foundation body 1. The waterproof mortar infiltrated into the foundation body 1 blocks a passage generated when groundwater flows, and is hardened in the foundation body 1. After the waterproof mortar is hardened, underground water is difficult to permeate into the foundation body 1 again, so that the possibility of softening the foundation body 1 is reduced, and the stability of the fixing pile 3 is improved.

Referring to fig. 1, when the grouting is completed, the output end of the cylinder 63 is retracted until the end of the guide rail 62 near the guide tube 42 is above the end of the guide rail 62 remote from the guide tube 42. Thereafter, the remaining waterproof mortar in the guide rail 62 flows into the collection barrel 64, thereby achieving collection of the mortar involved in waterproof. When it is necessary to inject waterproof mortar into the other conduit 42, the output end of the hydraulic cylinder 10 is retracted until the roller 9 abuts against the hardened layer 2, and then the grouting platform 61 is moved to the other conduit 42.

Referring to fig. 3 and 4, the reinforcing assembly 5 includes a collar 51 and a reinforcing ring 52, threads are provided on both the inner side wall of the collar 51 and the outer side wall of the fixing pile 3, the collar 51 is sleeved on the outer side of the fixing pile 3 and is in threaded connection with the fixing pile 3, and one end of the collar 51 facing the hardened layer 2 is abutted against the hardened layer 2; reinforcing ring 52 and the coaxial setting of lantern ring 51, and reinforcing ring 52's terminal surface and the terminal surface fixed connection of lantern ring 51 have seted up annular groove 13 on the sclerosis layer 2, and annular groove 13 sets up along the periphery of spud pile 3, and reinforcing ring 52 cooperates with annular groove 13 grafting.

Referring to fig. 3 and 4, when spud pile 3 sinks in foundation body 1, collar 51, together with hardened layer 2, limits spud pile 3 in the axial direction of spud pile 3, reducing the possibility of spud pile 3 sinking; when spud pile 3 receives the influence of lateral vibration, the cell wall of ring channel 13 is spacing through strengthening ring 52 to lantern ring 51 and spud pile 3 to reduce the possibility that spud pile 3 takes place to rock, improved strengthening ring 52's stability.

The implementation principle of strenghthened type CFG stake composite foundation of the embodiment of this application is: after groundwater permeates into the foundation body 1, a part of groundwater enters the water collecting tank 41, then the pumping equipment pumps the groundwater in the water collecting tank 41 through the guide pipe 42, the grouting equipment conveys waterproof mortar into the guide pipe 42 under the assistance of the grouting mechanism 6, the waterproof mortar permeates out of the water collecting tank 41 through the communication hole 8 after filling the water collecting tank 41, and a channel generated when the groundwater flows is blocked, so that the groundwater is difficult to permeate into the foundation body 1 again, the possibility of softening of the foundation body 1 is reduced, the supporting force of the foundation body 1 on the fixing pile 3 is maintained, and the stability of the fixing pile 3 is improved. After grouting is completed, the hydraulic cylinder 10 retracts, the roller 9 abuts against the reinforcing layer, and an operator moves the grouting platform 61 to the next construction point position for grouting.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (8)

1. The utility model provides a strenghthened type CFG stake composite foundation which characterized in that: including ground body (1), one end wear to establish spud pile (3) of ground body (1) and drainage mechanism (4) that are used for clearing up groundwater, drainage mechanism (4) are including burying water catch tank (41) and one end of burying underground in ground body (1) wear to establish pipe (42) into ground body (1), pipe (42) wear to establish the one end and water catch tank (41) intercommunication into ground body (1), link up on the tank wall of water catch tank (41) and seted up intercommunicating pore (8).

2. The reinforced CFG pile composite foundation of claim 1, wherein: foundation body (1) top covers there is sclerosis layer (2), sclerosis layer (2) are all worn to establish on pipe (42) keep away from the one end of header tank (41) and spud pile (3) top, a plurality of guiding gutter (7) have been seted up, a plurality of to one side that sclerosis layer (2) deviate from foundation body (1) guiding gutter (7) communicate each other.

3. The reinforced CFG pile composite foundation of claim 2, wherein: be equipped with on sclerosis layer (2) and consolidate subassembly (5), consolidate subassembly (5) including the lantern ring (51), all be equipped with the screw thread on the lateral wall with spud pile (3) on the inside wall of the lantern ring (51), lantern ring (51) cover is established and threaded connection is on spud pile (3), the terminal surface and the sclerosis layer (2) of the lantern ring (51) are contradicted.

4. A reinforced CFG pile composite foundation according to claim 3, wherein: consolidate subassembly (5) and still include reinforcing ring (52) of fixed connection in lantern ring (51) towards sclerosis layer (2) one side, annular groove (13) have been seted up in the periphery of spud pile (3) in one side that sclerosis layer (2) deviates from ground body (1), reinforcing ring (52) and annular groove (13) are pegged graft and are cooperated.

5. The reinforced CFG pile composite foundation of claim 2, wherein: be equipped with slip casting mechanism (6) on sclerosis layer (2), slip casting mechanism (6) include slip casting platform (61), guide rail (62), cylinder (63) and collecting vessel (64), slip casting platform (61) set up in sclerosis layer (2) top, guide rail (62) rotate to be connected on slip casting platform (61), collecting vessel (64) and cylinder (63) all are connected with slip casting platform (61), the port top of pipe (42) is located to the one end of guide rail (62), and collecting vessel (64) top is located to the other end, cylinder (63) are used for driving guide rail (62) and rotate.

6. A reinforced CFG pile composite foundation according to claim 5, wherein: the grouting mechanism (6) further comprises a funnel (65) arranged between the guide pipe (42) and the guide rail (62), and one end, with a smaller opening, of the funnel (65) is communicated with the guide pipe (42).

7. The reinforced CFG pile composite foundation of claim 6, wherein: funnel (65) less one end fixedly connected with go-between (12) of opening, all be equipped with the screw thread on the inside wall of go-between (12) and the lateral wall of pipe (42), go-between (12) cover is established in the pipe (42) outside, and with pipe (42) threaded connection.

8. A reinforced CFG pile composite foundation according to claim 5, wherein: slip casting platform (61) bottom is rotated and is connected with gyro wheel (9), gyro wheel (9) contradict with sclerosis layer (2), one side of gyro wheel (9) is equipped with pneumatic cylinder (10), the cylinder body and slip casting platform (61) fixed connection of pneumatic cylinder (10), the output and the sclerosis layer (2) of pneumatic cylinder (10) are contradicted.

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