CN217629841U - Soft soil geology reducing pile structure - Google Patents

Soft soil geology reducing pile structure Download PDF

Info

Publication number
CN217629841U
CN217629841U CN202221378193.0U CN202221378193U CN217629841U CN 217629841 U CN217629841 U CN 217629841U CN 202221378193 U CN202221378193 U CN 202221378193U CN 217629841 U CN217629841 U CN 217629841U
Authority
CN
China
Prior art keywords
reinforcement cage
steel reinforcement
pile
soft soil
pile structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221378193.0U
Other languages
Chinese (zh)
Inventor
张新星
陈文祥
邓绍鹏
周雄
何俊
段鑫晶
胡浩然
郜江苹
胡清涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Guangzhou Engineering Group Co Ltd CRECGZ
CRECGZ No 3 Engineering Co Ltd
Original Assignee
China Railway Guangzhou Engineering Group Co Ltd CRECGZ
CRECGZ No 3 Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Guangzhou Engineering Group Co Ltd CRECGZ, CRECGZ No 3 Engineering Co Ltd filed Critical China Railway Guangzhou Engineering Group Co Ltd CRECGZ
Priority to CN202221378193.0U priority Critical patent/CN217629841U/en
Application granted granted Critical
Publication of CN217629841U publication Critical patent/CN217629841U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Piles And Underground Anchors (AREA)

Abstract

The utility model relates to a technical field of reducing pile, the problem to the easy slope of steel reinforcement cage in traditional reducing pile has provided a weak soil geology reducing pile structure, including being located the pile body in the pile hole and burying the steel reinforcement cage in the pile body underground, the steel reinforcement cage bottom is sharp-pointed to be set up, and the steel reinforcement cage periphery evenly encircles and is provided with a plurality of location portions, and a plurality of location portions all set up with the interior week butt in the pile hole, and the steel reinforcement cage top still is provided with spacing subassembly, and spacing subassembly is used for restricting the steel reinforcement cage come-up. This application has the difficult effect that takes place the slope of the steel reinforcement cage that makes the downthehole of reducing pile stake.

Description

Soft soil geology reducing pile structure
Technical Field
The application relates to the field of reducing piles, in particular to a soft soil geology reducing pile structure.
Background
When engineering construction is carried out on a soft soil foundation, the soft soil foundation contains a large number of soft soil layers with high compression amount, so that the overall strength of the soft soil foundation is low, the subsidence amount is large, and the construction directly on the soft soil foundation often brings great harm to the engineering, so the soft soil foundation is usually required to be reinforced. At present, the most common reinforcement mode is to pour the variable-diameter piles on the soft soil foundation so as to improve the overall strength of the soft soil foundation
When the variable-diameter pile is poured, firstly, the pile hole is excavated through a long spiral drilling machine, after the drilling machine drills to a set depth, slurry is injected into the pile hole through a slurry injection port on a drill bit of the drilling machine, the drill bit of the drilling machine is lifted gradually at the same time until the pile hole is filled with the slurry, then a reinforcement cage is inserted into the pile hole, and pouring of the variable-diameter pile can be achieved after concrete in the pile hole is formed.
In view of the above-described related art, the applicant believes that the following drawbacks exist: because there is the clearance between steel reinforcement cage periphery and the stake hole for steel reinforcement cage and the slope takes place easily, leads to follow-up steel reinforcement cage protective layer thickness inequality, leads to influencing the shaping quality of follow-up reducing stake. Therefore, there is room for improvement.
SUMMERY OF THE UTILITY MODEL
In order to make the reducing pile pour the in-process, the difficult slope that takes place of steel reinforcement cage in the stake hole, this application provides a soft soil geology reducing pile structure.
The application provides a pair of soft soil geology reducing pile structure adopts following technical scheme:
the utility model provides a weak soil geology reducing pile structure, is including being located the pile body of stake downthehole and burying the steel reinforcement cage in the pile body underground, steel reinforcement cage bottom is sharp-pointed to be set up, the steel reinforcement cage periphery evenly encircles and is provided with a plurality of location portion, and is a plurality of location portion all sets up with the interior circumference butt in stake hole, the steel reinforcement cage top still is provided with spacing subassembly, spacing subassembly is used for restricting the steel reinforcement cage come-up.
By adopting the technical scheme, the positioning parts are uniformly arranged around the periphery of the reinforcement cage and are abutted against the pile hole of the reducing pile, so that the reinforcement cage is not easy to incline after being inserted into the pile hole, the reinforcement cage can be kept in a vertical state better, the thickness of a protective layer of the subsequent reducing pile is more uniform, and the pile forming quality of the reducing pile is kept; through setting up spacing subassembly for the difficult emergence come-up of steel reinforcement cage after inserting the stake hole, the reducing stake of being convenient for is shaping better.
Preferably, annular reinforcing ribs are coaxially fixed on the inner periphery of the reinforcement cage, a plurality of reinforcing rods are uniformly distributed on the inner periphery of each annular reinforcing rib, and one ends of the annular reinforcing ribs, far away from the reinforcing rods, are welded with each other.
Through adopting above-mentioned technical scheme, mutually support through both beaded finish and stiffener, be favorable to promoting whole bending resistance and bulk strength of steel reinforcement cage for the steel reinforcement cage is sturdy and durable more.
Preferably, spacing subassembly is including wearing to locate the support member of steel reinforcement cage, the support member is located the steel reinforcement cage and stretches out the outer one end of stake hole and support member and the upper surface butt of a steel reinforcement cage top stirrup, it has the gag lever post all to peg graft perpendicularly in support member both ends, the gag lever post all inserts ground.
Through adopting above-mentioned technical scheme, put into to stake downthehole back with the steel reinforcement cage, wear to locate steel reinforcement cage top periphery with the support member, insert the gag lever post at support member both ends to make the gag lever post insert ground, alright realize the fixed of support member position, and then realize restricting the steel reinforcement cage come-up through the support member, make the steel reinforcement cage can be located the stake more firmly downthehole, this simple structure is convenient and easily operation.
Preferably, the support rod piece comprises a support tube and connecting rods coaxially inserted at two ends of the support tube in a sliding manner, two sets of connecting rods are respectively provided with an installation block at one end far away from each other, the installation blocks are respectively provided with a through hole, and two sets of limiting rods are respectively inserted in the through holes of the two sets of installation blocks.
Through adopting above-mentioned technical scheme for the length of support member can be adjusted, and the steel reinforcement cage of different specifications is worn to locate by the support member of being convenient for, is favorable to promoting the application scope of spacing subassembly.
Preferably, a flexible corrugated pipe is coaxially sleeved between the supporting pipe and the connecting rod, and two ends of the flexible corrugated pipe are respectively fixed on the supporting pipe and the connecting rod.
Through adopting above-mentioned technical scheme, through the setting of flexible bellows, be favorable to through the clearance of flexible bellows sealing connecting rod with the stay tube junction for during site operation, mud and grit are difficult for adhering to the junction of connecting rod and stay tube, are favorable to reducing the mud grit etc. and solidify the condition that leads to the unable slip of connecting rod between connecting rod and stay tube.
Preferably, flexible sealing rings are sleeved at two ends of the flexible corrugated pipe, annular limiting grooves are formed in the ends, close to each other, of the connecting rod and the supporting rod, and the flexible sealing rings at the two ends of the flexible corrugated pipe are embedded into the annular limiting grooves in the ends, close to each other, of the supporting pipe and the connecting pipe respectively.
By adopting the technical scheme, when the flexible corrugated pipe is installed, the flexible sealing rings sleeved at two ends of the flexible corrugated pipe are respectively embedded into the annular limiting grooves of the connecting rod and the supporting pipe, so that two ends of the flexible corrugated pipe can be respectively fixed on the supporting pipe and the connecting rod, and the flexible corrugated pipe can be more simply and conveniently disassembled.
Preferably, location portion is including erectting the dead lever in the steel reinforcement cage periphery, coaxial rotation is connected with the gyro wheel on the dead lever, the gyro wheel all sets up with stake hole internal perisporium butt.
Through adopting above-mentioned technical scheme, utilize gyro wheel and stake downthehole wall butt on the one hand for the reinforcing bar hole is difficult for taking place the slope, and on the other hand has reduced the frictional force between reinforcement cage periphery and the stake hole, and the reinforcement cage of being convenient for is put into to the stake downthehole better.
Preferably, the bottom end of the limiting rod is sharply arranged, and the periphery of the limiting rod is provided with helical blades in a surrounding manner.
By adopting the technical scheme, when the limiting rod is installed, the limiting rod is rotated, and the limiting rod is more easily inserted into the ground through the spiral blades on the periphery of the limiting rod; meanwhile, the limiting rod inserted into the ground is not easy to move upwards, and the supporting rod piece is convenient to better limit the floating of the reinforcement cage.
In summary, the present application includes at least one of the following beneficial technical effects:
1. positioning parts are uniformly arranged around the periphery of the reinforcement cage in a surrounding mode, and the positioning parts are abutted to the inner periphery of the pile hole, so that the reinforcement cage is not prone to tilting, the thickness of a protective layer of a subsequent variable-diameter pile reinforcement cage is more uniform, and variable-diameter piles can be formed better;
2. wear to locate the reinforcing bar hole through the support member, the upper surface butt of support member and steel reinforcement cage top stirrup, and the gag lever post bottom segment at support member both ends all inserts the setting to ground, utilizes the support member restriction steel reinforcement cage come-up, and the reducing pile of being convenient for is shaping better.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a schematic structural diagram for illustrating a reinforcement cage according to the present application.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is an enlarged schematic view of a portion B in fig. 2.
Description of reference numerals:
1. pile holes; 2. a pile body; 3. a reinforcement cage; 31. an annular reinforcing rib; 32. a reinforcing bar; 33. a positioning part; 331. fixing the rod; 332. a roller; 4. supporting the rod member; 41. supporting a tube; 42. a connecting rod; 421. mounting blocks; 422. perforating; 5. a limiting rod; 51. a helical blade; 6. a flexible bellows; 60. an annular limiting groove; 61. a flexible seal ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a soft soil geological variable diameter pile structure, and with reference to fig. 1 and 2, the variable diameter pile structure comprises a pile body 2 positioned in a pile hole 1 and a reinforcement cage 3 embedded in the pile body 2, wherein the top end of the reinforcement cage 3 extends out of the top of the pile body 2, and the bottom section of the reinforcement cage 3 is arranged in a sharp manner, so that the reinforcement cage 3 can be better inserted into the pile hole 1; 3 peripheries of steel reinforcement cage evenly encircle and are provided with a plurality of location portions 33, and a plurality of location portions 33 all with 1 periphery butt in stake hole, realize spacing to steel reinforcement cage 3 for 3 difficult slopes that take place of steel reinforcement cage are favorable to 3 protective layer thickness of follow-up steel reinforcement cage more even.
Referring to fig. 1 and 2, the positioning portion 33 includes a fixing rod 331, two ends of the fixing rod 331 are respectively fixed on two sets of vertical bars adjacent to the reinforcement cage 3, and a length direction of the fixing rod 331 is perpendicular to an axial direction of the reinforcement cage 3. The fixing rod 331 is rotatably connected with a roller 332, and in the embodiment, the roller 332 is formed by pouring concrete; gyro wheel 332 all sets up with the interior week butt in stake hole 1, utilizes gyro wheel 332 to realize spacing to steel reinforcement cage 3, and restriction steel reinforcement cage 3 takes place the slope, and then makes the thickness of the protective layer of 3 peripheries of steel reinforcement cage more even, is favorable to keeping the shaping quality of reducing stake.
Referring to fig. 2 and 3, the top end of the reinforcement cage 3 is also provided with a limiting component for limiting self floating, so that the reinforcement cage 3 can be stably installed in the pile hole 1, and the reducing pile can be conveniently and better molded. The limiting assembly comprises a supporting rod piece 4 penetrating through the top end of the reinforcement hole, the supporting rod piece 4 is positioned at one end, extending out of the pile hole 1, of the reinforcement cage 3, and the supporting rod piece 4 is abutted against the upper surface of a stirrup at the top of the reinforcement cage 3; the equal vertical grafting in both ends that support member 4 stretches out steel reinforcement cage 3 has gag lever post 5, and 5 bottoms of gag lever post all insert to ground for support member 4's position is fixed, and then realizes restricting the 3 come-up of steel reinforcement cage through support member 4.
Referring to fig. 2 and 4, the support rod member 4 includes a support tube 41, the two ends of the support tube 41 are respectively inserted with a connection rod 42, two sets of connection rods 42 are respectively inserted with a connection rod mounting block 421, a through hole 422 for inserting the limit rod 5 is provided on the connection rod mounting block 421, and two sets of limit rods 5 are respectively inserted on the through hole 422 of the two sets of connection rods 421. Through above setting for 4 length of support member can be adjusted, when 3 specifications of steel reinforcement cage change, through sliding connection rod 42 alright realize the regulation of 4 length of support member for 4 both ends of support member can stretch out the both ends of steel reinforcement cage 3 better, and then the gag lever post 5 at the 4 both ends of support member of being convenient for can insert ground better.
Referring to fig. 3 and 4, 5 periphery bottoms of gag lever post are sharp-pointed to be set up, and 5 peripheries of gag lever post are still twined and are fixed in helical blade 51, when needs make gag lever post 5 insert the ground, rotate gag lever post 5 towards ground, make gag lever post 5 change in inserting ground more through the helical blade 51 of 5 peripheries of gag lever post, and simultaneously, helical blade 51's setting makes the gag lever post 5 insert difficult production axial displacement behind the ground, and then be convenient for support member 4 can better restrict steel reinforcement cage 3 and float. The outer diameter of the spiral blade 51 is smaller than the inner diameter of the through hole 422, so that the limiting rod 5 can conveniently penetrate through the through hole 422.
Referring to fig. 3 and 4, flexible corrugated pipe 6 is sleeved between connecting rod 42 and supporting pipe 41, two ends of flexible corrugated pipe 6 are fixed on connecting rod 42 and supporting pipe 41 respectively, and through the arrangement of flexible corrugated pipe 6, the gap between connecting rod 42 and supporting pipe 41 can be covered by flexible corrugated pipe 6 in a wrapping manner, so that the situation that cement mortar and the like are bonded at the connecting position of connecting rod 42 and supporting pipe 41 to cause connecting rod 42 to be incapable of sliding in the construction process is reduced.
Referring to fig. 3 and 4, two ends of the flexible bellows 6 are respectively sleeved with a flexible sealing ring 61, in this embodiment, the flexible sealing ring 61 is a rubber ring; both ends that are close to each other of support tube 41 and connecting rod 42 have all been seted up annular spacing groove 60, and two sets of flexible sealing washer 61 are embedded into respectively in connecting rod 42 and the annular spacing groove 60 that the bracing piece is close to one end each other, realize fixing flexible bellows 6 both ends respectively on connecting rod 42 and support tube 41, through above setting, be convenient for carry out the dismouting to flexible bellows 6 for flexible bellows 6 changes the installation simple and convenient more.
Referring to fig. 1 and 2, still coaxial fixation has a plurality of annular strengthening ribs 31 in the steel reinforcement cage 3, the equal three stiffeners 32 of group of fixedly connected with in the interior week of annular strengthening rib 31, the axis evenly distributed of three stiffeners 32 around annular strengthening rib 31, three stiffeners 32 of group all extend the setting towards keeping away from annular strengthening rib 31, the one end mutual weld setting that annular strengthening rib 32 was kept away from to three stiffeners 32 of group, through setting up annular strengthening rib 31 and stiffener 32, utilize annular strengthening rib 31 and stiffener 32 to mutually support whole bending resistance and the intensity that promotes steel reinforcement cage 3.
The implementation principle of the embodiment of the application is as follows; after pouring into the concrete slurry into pile hole 1, insert steel reinforcement cage 3 to pile hole 1 to make the gyro wheel 332 of the periphery of steel reinforcement cage 3 respectively with 1 internal perisporium butt in pile hole, realize steel reinforcement cage 3 spacing, make steel reinforcement cage 3 be difficult for taking place the slope. After the installation of steel reinforcement cage 3 was accomplished, wear to locate the periphery that steel reinforcement cage 3 stretches out 1 one end in stake hole and make support tube 41 and 3 top of steel reinforcement cage a set of top butt of cramping, make bracing piece both ends connecting rod 42 stretch out outside steel reinforcement cage 3 respectively simultaneously. Penetrate two sets of gag lever post 5 respectively the perforation 422 on two sets of installation pieces 421 and with two sets of gag lever post 5 screw in ground, realize through the 3 unsteady of bracing piece spare 4 restriction steel reinforcement cage, the reducing stake of being convenient for is shaping better.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a soft soil geology reducing pile structure which characterized in that: including being located pile body (2) in stake hole (1) and burying steel reinforcement cage (3) underground in pile body (2), steel reinforcement cage (3) bottom is sharp-pointed to be set up, steel reinforcement cage (3) periphery evenly encircles and is provided with a plurality of location portion (33), and is a plurality of location portion (33) all set up with interior week butt in stake hole (1), steel reinforcement cage (3) top still is provided with spacing subassembly, spacing subassembly is used for restricting steel reinforcement cage (3) come-up.
2. A soft soil geology reducer pile structure of claim 1, characterized in that: the reinforcing cage is characterized in that annular reinforcing ribs (31) are coaxially fixed on the inner periphery of the reinforcing cage (3), a plurality of reinforcing rods (32) are uniformly distributed on the inner periphery of each annular reinforcing rib (31), and one ends of the annular reinforcing ribs (31) far away from the reinforcing rods (32) are welded with each other.
3. A soft soil geology reducer pile structure of claim 1, characterized in that: spacing subassembly is including wearing to locate support member (4) of steel reinforcement cage (3), support member (4) are located steel reinforcement cage (3) and stretch out the outer one end of stake hole (1) and support member (4) and the upper surface butt of a steel reinforcement cage (3) top stirrup, it has gag lever post (5) to support member (4) both ends and all peg graft perpendicularly, gag lever post (5) all insert ground.
4. A soft soil geology reducer pile structure of claim 3, characterized in that: the supporting rod piece (4) comprises a supporting pipe (41) and connecting rods (42) which are coaxially inserted into two ends of the supporting pipe (41) in a sliding mode, two groups of connecting rods (42) are arranged at one ends, away from each other, of the connecting rods (421), through holes (422) are formed in the mounting blocks (421), and two groups of limiting rods (5) are respectively inserted into the through holes (422) of the two groups of mounting blocks (421).
5. A soft soil geology reducing pile structure of claim 4, characterized in that: and a flexible corrugated pipe (6) is coaxially sleeved between the supporting pipe (41) and the connecting rod (42), and two ends of the flexible corrugated pipe (6) are respectively fixed on the supporting pipe (41) and the connecting rod (42).
6. A soft soil geology reducer pile structure of claim 5, characterized in that: flexible sealing ring (61) have all been cup jointed at flexible bellows (6) both ends, annular spacing groove (60) have all been seted up to the one end that connecting rod (42) and bracing piece are close to each other, flexible sealing ring (61) at flexible bellows (6) both ends imbed respectively in stay tube (41) and the annular spacing groove (60) of connecting pipe one end of being close to each other.
7. The variable diameter pile structure in soft soil geology of claim 1, characterized in that: location portion (33) are including erectting dead lever (331) in steel reinforcement cage (3) periphery, coaxial rotation is connected with gyro wheel (332) on dead lever (331), gyro wheel (332) all set up with stake hole (1) internal perisporium butt.
8. A soft soil geology reducer pile structure of claim 3, characterized in that: the bottom end of the limiting rod (5) is sharp and provided with helical blades (51) in a surrounding manner, and the periphery of the limiting rod (5) is provided with helical blades.
CN202221378193.0U 2022-06-01 2022-06-01 Soft soil geology reducing pile structure Active CN217629841U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221378193.0U CN217629841U (en) 2022-06-01 2022-06-01 Soft soil geology reducing pile structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221378193.0U CN217629841U (en) 2022-06-01 2022-06-01 Soft soil geology reducing pile structure

Publications (1)

Publication Number Publication Date
CN217629841U true CN217629841U (en) 2022-10-21

Family

ID=83623639

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221378193.0U Active CN217629841U (en) 2022-06-01 2022-06-01 Soft soil geology reducing pile structure

Country Status (1)

Country Link
CN (1) CN217629841U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115030143A (en) * 2022-06-01 2022-09-09 中铁广州工程局集团第三工程有限公司 Soft soil geological variable diameter pile structure and construction method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115030143A (en) * 2022-06-01 2022-09-09 中铁广州工程局集团第三工程有限公司 Soft soil geological variable diameter pile structure and construction method thereof

Similar Documents

Publication Publication Date Title
CN217629841U (en) Soft soil geology reducing pile structure
CN109537583A (en) A kind of slip casting plant pile construction method of PHC tubular pole
CN103603344B (en) A kind of spiral-digging pore cast-in-place pile construction method preventing collapse hole
CN206052699U (en) Percussive drilling bored concrete pile pile foundation casing
CN107604902B (en) Grouting behind shaft or drift lining bored concrete pile and its construction technology
CN113669005B (en) Reducing type bored concrete pile device
CN108643214A (en) It is a kind of to backfill miscellaneous native composite foundation structure and its construction method
KR102173079B1 (en) Composite phc pile for soil retaining wall
CN214245694U (en) Pile forming system for large-diameter cast-in-situ bored pile in karst area
CN106917402B (en) A kind of CFG pile precast pile head and CFG pile construction method
CN105178324A (en) Construction device for umbrella tray type special-shaped pile
CN209066518U (en) A kind of constructing structure of section of stake forced-landing tilt correcting structure and miniature steel pipe pile
CN103603340B (en) Flexible protective prevents the spiral-digging pore cast-in-place pile construction method of collapse hole
JP3904274B2 (en) Construction method for building foundation
CN107190737A (en) A kind of construction technology of high intensity mould bag stake
RU72986U1 (en) PILE
CN206667237U (en) A kind of CFG pile precast piles head
CN206591522U (en) A kind of double formula mini-valve tube of grouting
JP2020169455A (en) Construction method of soil cement continuous wall
AU9144398A (en) Shield driving machine
CN110952535B (en) Steel pipe pile construction method
CN218148318U (en) Curtain type pile casing structure for deep sludge cement mixing pile
CN111576396B (en) Anchor rod type manual hole digging pile and construction method thereof
JPS61254716A (en) Setting of in-place concrete pile
CN217352449U (en) Manual hole digging pile advance support system and conveying device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant