CN217782024U - CFG pile broken pile is with restoreing structure - Google Patents
CFG pile broken pile is with restoreing structure Download PDFInfo
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- CN217782024U CN217782024U CN202222183798.0U CN202222183798U CN217782024U CN 217782024 U CN217782024 U CN 217782024U CN 202222183798 U CN202222183798 U CN 202222183798U CN 217782024 U CN217782024 U CN 217782024U
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Abstract
The utility model relates to the technical field of broken pile repair, in particular to a repair structure for broken CFG piles, which comprises a threaded steel column, a fixed broken pile, repair concrete and a pouring template; the fixed broken pile is provided with a plurality of drilled holes, threaded steel columns are inserted into the drilled holes, and the threaded steel columns are bonded in the drilled holes through adhesives; the pouring template is sleeved on the outer side of the top end of the fixed broken pile, and the repair concrete is poured into the pouring template. This scheme is provided with the stopping that is used for increasing screw thread steel column frictional force on the screw thread steel column and grabs the tooth and the stopping encloses the fender, and simultaneously, still be provided with the sizing material that is used for pouring the sizing material in the inner chamber of screw thread steel column and water the chamber, and water and seted up out the jiao kou on the lateral wall in chamber at the pouring, make the sizing material can be abundant fill up the gap between the lateral wall of screw thread steel column and the drilling, make screw thread steel column and fixed disconnected stake, restore the concrete and all keep high strength's being connected, and then reach and improve fixed disconnected stake, restore the purpose that the compactness is connected to the concrete.
Description
Technical Field
The utility model relates to a broken pile restoration technical field specifically is a CFG stake is broken with restoreing structure.
Background
The CFG pile is also called cement fly ash gravel pile, and is a variable-strength pile with certain strength, which is made of gravel, stone chips, sand and fly ash mixed with cement and mixed with water by a long spiral drilling machine. Pile breaking is a common engineering problem in CFG pile construction, and most of the problems are that when CFG pile head soil covering is removed and pile head soil is excavated, excavation and transportation equipment is equipped with and is not used properly, so that an excavator bucket breaks a pile body, the broken pile greatly affects the use of a CFG pile composite foundation, and secondary repair treatment needs to be carried out on the broken pile.
When the position of the broken pile is shallow, the pile splicing method can be adopted for processing, and the method specifically comprises the following steps: digging to the broken pile part manually or mechanically, flattening and roughening the cross section of the pile top, punching the top of the cross section with the hole depth of 200-300 mm, cleaning the surface, planting the steel bars by using structural adhesive, and connecting the pile to the designed pile top elevation by using the height first-grade mixed material.
When the pile breaking position is deep, a steel pipe with the diameter one grade larger than that of the pile body is used to be driven into the position 500mm below the pile breaking position along the pile edge, the steel pipe is cut at the designed elevation, and the mixture is poured into the steel pipe again to be connected with the pile body.
When the two repairing methods are used in practice, the friction force of the surface walls of the steel bars and the steel pipes is small, so that the repaired mixed material layer is not tightly connected with the broken pile body, gaps easily exist when the surfaces of the steel bars and the broken pile are filled with sizing materials or mixed materials, the mixed material layer is easily loosened, and the connection tightness between the repaired pile body and the broken pile body is weak.
Meanwhile, when mixed sizing materials are poured, a pouring template of the mixed sizing materials is required to be coaxially placed with an original fractured pile body, and the existing pouring template is lack of a special quick calibration and positioning structure, so that the position deviation of the template is easy to occur during pouring, the pouring accuracy of the repaired pile body is influenced, and the mixed sizing materials are required to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a CFG stake is disconnected with restoreing structure to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a repairing structure for CFG pile breakage comprises a threaded steel column, a fixed broken pile, repairing concrete and a pouring template; a plurality of drill holes are formed in the fixed broken pile, threaded steel columns are inserted into the drill holes, and the threaded steel columns are bonded in the drill holes through bonding agents; the pouring template is sleeved on the outer side of the top end of the fixed broken pile, a cavity formed between the pouring template and the fixed broken pile is set as a pouring cavity, and the repair concrete is poured in the pouring cavity;
a spacer bush is sleeved inside the threaded steel column, and concrete is poured into an inner cavity of the spacer bush; a cavity between the outer side wall of the spacer sleeve and the threaded steel column is provided with a sizing material pouring cavity, an adhesive is poured inside the sizing material pouring cavity, and the threaded steel column is provided with a glue outlet convenient for the adhesive to flow out;
the fixed broken pile at the bottom of the pouring template is sleeved with a positioning sleeve, a calibration inserting rod is arranged on the upper end wall of the positioning sleeve, and a calibration slot matched with the calibration inserting rod is formed in the position, corresponding to the calibration inserting rod, of the pouring template.
Preferably, the circumferential outer side wall of the threaded steel column is provided with stopping grabbing teeth, and the outer diameter of the stopping grabbing teeth is larger than that of the threaded steel column.
Preferably, the stopping grabbing teeth comprise upper grabbing teeth and lower grabbing teeth, the cross sections of the upper grabbing teeth are of an isosceles trapezoid structure with a narrow upper part and a narrow lower part, and the cross sections of the lower grabbing teeth are of an isosceles trapezoid structure with a wide upper part and a narrow lower part.
Preferably, the upper grabbing teeth are arranged in the repair concrete, and the lower grabbing teeth are arranged in the drill hole.
Preferably, the thread steel column is sleeved with a backstop enclosure, and a fixed supporting sheet is arranged on the thread steel column at the bottom of the backstop enclosure.
Preferably, the backstop enclosure is poured into the repair concrete layer, and a plurality of sealing pouring holes are formed in the backstop enclosure.
Preferably, the lower end wall of the positioning sleeve is provided with a ground anchor rod.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a pair of CFG stake is broken with restoreing structure, it is not hard up that this scheme appears easily to current mixture bed of material, and the circumstances that the compactness that prosthetic pile body and fracture pile body are connected is more weak, be provided with the stopping that is used for increasing screw thread steel column frictional force on the screw thread steel column and grab tooth and stopping and enclose the fender, and simultaneously, still be provided with the sizing material that is used for pouring the sizing material specially in the inner chamber of screw thread steel column and water the chamber, and water and seted up out the jiao kou on the lateral wall in chamber at the pouring, make the sizing material can be abundant fill up the gap between the lateral wall of screw thread steel column and the drilling, make screw thread steel column and fixed disconnected stake, restore the concrete and all keep the connection of high strength, and then reach and improve fixed disconnected stake, restore the purpose that the compactness is connected to the concrete.
2. The utility model provides a pair of CFG stake is broken with restoreing structure, positional deviation appears easily to current template in this scheme, influences the technical problem of the precision of restoreing the stake body pouring, and the cover is equipped with position sleeve on fixed broken pile, is provided with the calibration inserted bar that inserts in the pouring template perpendicularly on position sleeve, makes it can play fixed position's purpose to the pouring template, effectively prevents the pouring template and the condition of displacement from appearing in the pouring process, improves stake body repair effect.
Drawings
Fig. 1 is a front sectional view of the present invention;
fig. 2 is a cross-sectional top view of the present invention;
fig. 3 is a cross-sectional view of the threaded steel column of the present invention;
fig. 4 is a schematic view of a local concrete structure of the threaded steel column of the present invention.
In the figure: 1. a threaded steel column; 2. fixing the broken pile; 3. repairing concrete; 4. pouring a template; 5. drilling; 6. a pouring cavity; 7. a spacer sleeve; 8. concrete; 9. pouring a sizing material cavity; 10. an adhesive; 11. a glue outlet; 12. a positioning sleeve; 13. calibrating the inserted rod; 14. calibrating the slot; 15. stopping and grabbing teeth; 151. an upper grabbing tooth; 152. a lower grabbing tooth; 16. stopping the enclosure; 17. fixing the supporting sheet; 18. sealing the pouring hole; 19. and inserting ground anchor rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Any one embodiment of the present invention will be described in conjunction with the accompanying drawings 1-4 for further explanation:
example 1: a repairing structure for CFG pile breakage comprises a threaded steel column 1, a fixed broken pile 2, repairing concrete 3 and a pouring template 4; a plurality of drill holes 5 are formed in the fixed broken pile 2, threaded steel columns 1 are inserted into the drill holes 5, and the threaded steel columns 1 are bonded in the drill holes 5 through adhesives 10; the pouring template 4 is sleeved on the outer side of the top end of the fixed broken pile 2, a cavity formed between the pouring template 4 and the fixed broken pile 2 is set as a pouring cavity 6, and the repair concrete 3 is poured in the pouring cavity 6;
a spacer bush 7 is sleeved inside the threaded steel column 1, and concrete 8 is poured into an inner cavity of the spacer bush 7; a cavity between the outer side wall of the spacer bush 7 and the threaded steel column 1 is provided with a sizing material pouring cavity 9, an adhesive 10 is poured inside the sizing material pouring cavity 9, and the threaded steel column 1 is provided with a glue outlet 11 for the adhesive 10 to flow out conveniently;
as a preferred embodiment, the circumferential outer side wall of the threaded steel column 1 is provided with a backstop gripping tooth 15, and the outer diameter of the backstop gripping tooth 15 is larger than that of the threaded steel column 1.
As a preferred embodiment, the stopping grabbing teeth 15 include upper grabbing teeth 151 and lower grabbing teeth 152, the cross section of the upper grabbing teeth 151 is an isosceles trapezoid structure with a narrow upper portion and a narrow lower portion, and the cross section of the lower grabbing teeth 152 is an isosceles trapezoid structure with a wide upper portion and a narrow lower portion.
As a preferred embodiment, the upper gripping tooth 151 is provided in the repair concrete 3 and the lower gripping tooth 152 is provided in the borehole 5.
As a preferred embodiment, the threaded steel column 1 is sleeved with a backstop enclosure 16, and the threaded steel column 1 at the bottom of the backstop enclosure 16 is provided with a fixed supporting sheet 17.
As a preferred embodiment, the backstop enclosure 16 is poured in the repair concrete 3 layer, and a plurality of sealing pouring holes 18 are formed in the backstop enclosure 16.
In this embodiment: according to the scheme, before the fixed pile body 1 is repaired, the electric drill is used for punching the fixed pile body 1, the threaded steel column 1 is inserted into the corresponding drilled hole 5, then the organic adhesive 10 of the modified alkenyl ester is poured into the glue pouring cavity 9, so that the adhesive 10 flows into a gap between the threaded steel column 1 and the drilled hole 5 from the glue outlet 11, and then the concrete 8 is poured into the inner cavity of the spacer sleeve 7.
A plastic template is adopted as a pouring template 4 for repairing concrete 3, high-grade concrete is poured into a pouring cavity 6 in the pouring template 4, so that the height of the concrete bottom layer is not higher than that of a fixed supporting sheet 17, a vibrating rod is used for finely tamping to enable a new concrete layer and an old concrete layer to be tightly combined, after the concrete bottom layer is solidified, a backstop enclosure 16 is placed on the backstop supporting sheet 17, then the repairing concrete 3 is poured onto the backstop enclosure 16, the repairing concrete 3 penetrates through a sealed pouring hole 18, the backstop enclosure 16 is tightly connected with the repairing concrete 3, the repairing effect of the broken pile defect of the CFG pile is achieved, and after the repairing concrete 3 is poured, heat preservation and maintenance are timely performed on the repairing concrete 3.
Example 2: the utility model provides a CFG stake is broken with restoreing structure, includes screw steel column 1, fixed broken pile 2, restores concrete 3 and pouring template 4, and the cover is equipped with abutment sleeve 12 on the fixed broken pile 2 of pouring template 4 bottom, is provided with calibration inserted bar 13 on the upper end wall of abutment sleeve 12, has seted up on the position that pouring template 4 corresponds calibration inserted bar 13 and has used calibration slot 14 with calibration inserted bar 13 cooperation.
As a preferred embodiment, the lower end wall of the positioning sleeve 12 is provided with an earth anchor 19.
In this embodiment: before the fixed broken pile 2 is repaired and poured, the positioning sleeve 12 is sleeved on the fixed broken pile 2, the bottom end of the positioning sleeve 12 is fixed on the ground through the ground inserting anchor rod 19, the pouring template 4 is sleeved on the fixed broken pile 2 above the positioning sleeve 12, the calibration insertion rod 13 is vertically inserted into the calibration slot 14 in the pouring template 4, the purpose of fixing the position of the pouring template 4 can be achieved, the situation that the pouring template 4 displaces in the pouring process is effectively prevented, and the pile body repairing effect is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a CFG stake is broken with restoreing structure which characterized in that: comprises a threaded steel column (1), a fixed broken pile (2), repair concrete (3) and a pouring template (4); the fixed broken pile (2) is provided with a plurality of drill holes (5), a threaded steel column (1) is inserted into the drill holes (5), and the threaded steel column (1) is bonded in the drill holes (5) through a bonding agent (10); the pouring template (4) is sleeved on the outer side of the top end of the fixed broken pile (2), a cavity formed between the pouring template (4) and the fixed broken pile (2) is set to be a pouring cavity (6), and the repair concrete (3) is poured into the pouring cavity (6);
a spacer bush (7) is sleeved inside the threaded steel column (1), and concrete (8) is poured into an inner cavity of the spacer bush (7); a cavity between the outer side wall of the spacer sleeve (7) and the threaded steel column (1) is set to be a glue material pouring cavity (9), an adhesive (10) is poured inside the glue material pouring cavity (9), and a glue outlet (11) facilitating the adhesive (10) to flow out is formed in the threaded steel column (1);
the pile-breaking device is characterized in that a positioning sleeve (12) is sleeved on the fixed pile-breaking (2) at the bottom of the pouring template (4), a calibration inserting rod (13) is arranged on the upper end wall of the positioning sleeve (12), and a calibration slot (14) matched with the calibration inserting rod (13) is formed in the position, corresponding to the calibration inserting rod (13), of the pouring template (4).
2. The repair structure for a broken CFG pile according to claim 1, wherein: and the outer diameter of the stopping grabbing teeth (15) is larger than that of the threaded steel column (1).
3. The repair structure for a broken CFG pile according to claim 2, wherein: the stopping grabbing teeth (15) comprise upper grabbing teeth (151) and lower grabbing teeth (152), the cross sections of the upper grabbing teeth (151) are of an isosceles trapezoid structure with a narrow upper part and a wide lower part, and the cross sections of the lower grabbing teeth (152) are of an isosceles trapezoid structure with a wide upper part and a narrow lower part.
4. The repair structure for a broken CFG pile according to claim 3, wherein: the upper grabbing teeth (151) are arranged in the repair concrete (3), and the lower grabbing teeth (152) are arranged in the drill holes (5).
5. The repair structure for a broken CFG pile according to claim 1, wherein: the thread steel column (1) is sleeved with a backstop enclosure (16), and a fixed supporting sheet (17) is arranged on the thread steel column (1) at the bottom of the backstop enclosure (16).
6. A CFG pile broken pile repair structure according to claim 5, wherein: the retaining surrounding baffle (16) is poured in the repair concrete (3) layer, and a plurality of sealing pouring holes (18) are formed in the retaining surrounding baffle (16).
7. The repair structure for a broken CFG pile according to claim 1, wherein: the lower end wall of the positioning sleeve (12) is provided with a ground inserting anchor rod (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222183798.0U CN217782024U (en) | 2022-08-18 | 2022-08-18 | CFG pile broken pile is with restoreing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222183798.0U CN217782024U (en) | 2022-08-18 | 2022-08-18 | CFG pile broken pile is with restoreing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217782024U true CN217782024U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222183798.0U Active CN217782024U (en) | 2022-08-18 | 2022-08-18 | CFG pile broken pile is with restoreing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217782024U (en) |
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2022
- 2022-08-18 CN CN202222183798.0U patent/CN217782024U/en active Active
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