CN211113632U - Breaking structure of concrete pile head - Google Patents

Breaking structure of concrete pile head Download PDF

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Publication number
CN211113632U
CN211113632U CN201921313219.1U CN201921313219U CN211113632U CN 211113632 U CN211113632 U CN 211113632U CN 201921313219 U CN201921313219 U CN 201921313219U CN 211113632 U CN211113632 U CN 211113632U
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ring
steel
protection piece
pile
concrete
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延雷
叶坤
卢磊
蔡雪锋
汪丽君
田丝雨
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CCCC Second Highway Engineering Co Ltd
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CCCC Second Highway Engineering Co Ltd
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Abstract

The utility model protects a breaking structure of a concrete pile head, which comprises a reinforcement cage, wherein at the pile breaking position, the reinforcement cage is sleeved with a ring and a steel ring which are arranged up and down, the lower ring surface of the steel ring is provided with a hose which is annularly wound around the periphery of the reinforcement cage, and a steel wire rope is penetrated in the hose; the main reinforcement suit of steel reinforcement cage is a single muscle protection piece, and the sealed rigid coupling of the bottom face of single muscle protection piece is in the last anchor ring of ring, and broken main reinforcement more than the stake position is sealed by seal package in the sealed cavity that single muscle protection piece and ring go up the anchor ring and form. The utility model discloses an improvement to current broken pile structure, when pouring, through the combined action of single muscle protection piece and many muscle protection piece, keep apart the concrete and contact with the main muscle above broken pile position, avoided the injury to the main muscle when breaking the pile, when protecting the main muscle, broken pile structure also can reuse, the cost is reduced; in addition, the steel wire rope in the pile breaking structure, the single-rib protection piece and the multi-rib protection piece are used together, and the purpose of quick circular cutting can be achieved.

Description

Breaking structure of concrete pile head
Technical Field
The utility model belongs to the technical field of the construction, concretely relates to concrete pile head breaks structure.
Background
In the building construction technology, when pouring a cast-in-place pile, cement paste returns upwards in the vibrating process of concrete, so that the strength of a pile head is difficult to guarantee, the pile head is difficult to avoid falling into impurities such as soil and the like in the concrete pouring process, and the pile head part needs to be removed to guarantee the strength of a pile body, so that the elevation of the top of the cast-in-place pile is 0.5-1.0 m higher than the elevation of the designed top of the pile to guarantee the strength of the concrete of the pile head, but the pile head part higher than the designed elevation of the top of the pile needs to be chiseled in the subsequent process construction; the existing pile head breaking method is to chisel the pile head by manpower assisted with a small machine, and the traditional method causes bending damage to the reinforcing steel bars and easily damages the concrete and the reinforcing steel bars at the bottom of the pile head.
Application number is 201710227082.7, the name is a structure and method of breaking concrete pile head fast, this utility model application has overcome the not enough of conventional broken stake, but will be equipped with the isolation sleeve to the main muscle of every pile head part, from the bottom up packs in proper order has expanding agent and sand in the cover pipe in order to ensure that the concrete does not get into the isolation sleeve, come isolation sleeve to keep apart reinforcing bar and concrete contact in the actual construction, broken stake back, the isolation sleeve can not reuse, and the operation is complicated, and is not easy to control, make broken stake engineering quality difficult to ensure.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a breaking structure of a concrete pile head, which aims to solve the problems of complex operation and difficult control of the existing breaking structure of the pile head; the second purpose is to solve the problems that the existing pile head breaking structure can not be recycled and has high cost.
In order to solve the technical problem, the utility model provides a concrete pile head breaks structure, it includes the steel reinforcement cage of transferring in the stake hole, the pile bolck design elevation of steel reinforcement cage is broken the stake position, in broken stake position, steel ring and ring rather than concentric have been cup jointed to the steel reinforcement cage along the axial, ring and steel ring arrange from top to bottom and hug closely, the lower ring face of steel ring is equipped with the hoop and twines the hose of the peripheral round of steel reinforcement cage, wear wire rope in the hose;
each main muscle suit one single muscle protection piece of steel reinforcement cage, the sealed rigid coupling of bottom face in the last anchor ring of single muscle protection piece, main muscle by the sealed encapsulation in the sealed cavity that single muscle protection piece and ring upper ring formed of broken pile position above the position.
Furthermore, the structure of removing of concrete pile head still includes many muscle protectors, many muscle protector suit is outside two at least adjacent single muscle protectors, and the sealed rigid coupling in the last anchor ring of the bottom face of each many muscle protector.
Preferably, the single-rib protection piece is of a circular tube structure with a closed top and an open bottom, the open bottom of the circular tube structure is fixedly connected with the upper ring surface of the circular ring in a sealing manner, and the cover plate with the closed top covers the top of the main rib.
Furthermore, the multi-rib protection piece is an arc flat tube structure with a closed top and an open bottom, the open bottom of the arc flat tube structure is fixedly connected with the upper ring surface of the ring in a sealing manner, and the cover plate with the closed top end covers the top of the cover plate of the single-rib protection piece.
Preferably, the steel ring is of a concentric ring structure, the distance between the inner ring and the outer ring is equal to the diameter of the main rib, and the radial cross section of the inner ring and the radial cross section of the outer ring are rectangles with the same shape and area.
Furthermore, the circular rings are of a concentric circular ring structure, the distance between the inner ring and the outer ring is larger than the diameter of the main rib, the radial cross sections of the inner ring and the outer ring are rectangles with the same shape and area, and the length of each rectangle is larger than that of the rectangle on the cross section of the inner ring and the outer ring of the steel ring.
Preferably, the structure of demolishing of concrete pile head still includes the concrete form, the concrete form is around installing in steel reinforcement cage periphery, and at broken stake position, the inner wall of concrete form and the sealed clinging of the outer loop side ring face of ring.
Further, the utility model also provides a pile head method of concrete pile head, including following step:
s1, prefabricating a reinforcement cage, a steel ring, a circular ring, a single-rib protection piece and a multi-rib protection piece, taking the steel ring to be welded at a pile breaking position of the reinforcement cage, and ensuring that each main rib is positioned between an inner ring and an outer ring of the steel ring;
s2, firstly, placing a reinforcement cage into the pile hole, then placing a ring above the steel ring, sleeving a single-rib protection piece on each main rib, sleeving a multi-rib protection piece outside at least two adjacent single-rib protection pieces, and ensuring that the bottom end surfaces of the single-rib protection pieces and the multi-rib protection pieces fall on the upper ring surface of the ring;
s3, sealing contact positions of the steel reinforcement cage, the steel ring, the circular ring, the single-rib protection piece and the multi-rib protection piece, then taking a hose which is sleeved with the steel wire rope, winding a circle of hose on the periphery of the steel reinforcement cage on the lower annular surface of the steel ring, and placing a rope head of the steel wire rope outside the steel reinforcement cage;
s4, mounting a concrete template above the pile hole and outside the reinforcement cage, pouring concrete to form a concrete pile after the concrete template is mounted, and pouring a handle on the top surface of the concrete pile;
s5, after the concrete pile is completely solidified, firstly removing the concrete template, then hoisting the steel wire rope by using a hoisting machine, enabling the steel wire rope to annularly peel off the concrete pile, forming an annular notch in the outer wall of the concrete pile, and separating the pile body and the pile head at the annular notch by using an air pick tool or a wedge block;
and S6, connecting a lifting machine with a handle, vertically lifting the concrete pile head to be broken, displaying the main ribs remained above the pile top along with the lifting of the concrete pile head, and manually finishing the concrete pile top to finish the breaking of the concrete pile head.
And S4, pouring two handles on the top surface of the concrete pile, wherein the two handles are uniformly distributed on the top surface of the concrete pile, and the middle of each handle is provided with an upward-convex hook-shaped symmetrical structure with a downward opening.
The utility model has the advantages as follows: the utility model discloses break the structure to current pile head and improve, when pouring, through the combined action of single muscle protection piece and many muscle protection piece, keep apart the concrete and break the main muscle contact above the stake position, avoided the injury to the main muscle when breaking the stake, when protecting the main muscle, broken stake structure also can reuse, the cost is reduced; in addition, the steel wire rope in the pile breaking structure, the single-rib protection piece and the multi-rib protection piece are used together, and the purpose of quick circular cutting can be achieved.
In order to make the above and other objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic structural view of a breaking structure of a concrete pile head.
Fig. 2 is an enlarged partial view of the breaking structure of the concrete pile head in the direction of a.
Fig. 3 is a schematic sectional view of the concrete pile head breaking structure B-B when the multi-bar protection member is a double bar.
Fig. 4 is a schematic sectional view of the concrete pile head breaking structure B-B when the multi-bar protector is three bars.
Fig. 5 is a schematic sectional view of the concrete pile head breaking structure B-B with four bars as the multi-bar protector.
Description of reference numerals:
1. pile holes; 2. a reinforcement cage; 3. a main rib; 4. a concrete form; 5. a steel ring; 6. a circular ring; 7. a hose; 8. a wire rope; 9. a single-rib protector; 10. a multi-ribbed protector; 11. a handle.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
In the present invention, the upper, lower, left, and right sides in the drawings are regarded as the upper, lower, left, and right sides of the breaking structure of the concrete pile head described in this specification.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
First embodiment
The first embodiment of the utility model relates to a concrete pile head breaks structure, refer to fig. 1, it includes steel reinforcement cage 2 of putting in pile hole 1 down, the pile top design elevation of steel reinforcement cage 2 is the broken pile position, in broken pile position, as shown in fig. 2, steel reinforcement cage 2 has cup jointed steel ring 5 and ring 6 rather than concentric along the axial, ring 6 and steel ring 5 are arranged from top to bottom and hug closely, the lower ring surface of steel ring 5 is equipped with the hose 7 that the hoop twines around the periphery of steel reinforcement cage 2 round, wear wire rope 8 in the hose 7;
each main muscle 3 suit one single muscle protection piece 9 of steel reinforcement cage 2, the sealed rigid coupling of the bottom face of single muscle protection piece 9 in the last anchor ring of ring 6, main muscle 3 above broken pile position is sealed by seal package in the sealed cavity that anchor ring formed on single muscle protection piece 9 and ring 6.
The working process/use method of the concrete pile head breaking structure protected by the embodiment is as follows:
firstly, putting the reinforcement cage 2 into the pile hole 1, then putting the circular ring 6 above the steel ring 5, and then sleeving a single-bar protection piece 9 on each main bar 3 to ensure that the bottom end surface of the single-bar protection piece 9 falls on the upper ring surface of the circular ring 6; sealing the contact positions of the steel reinforcement cage 2, the steel ring 5, the circular ring 6 and the single-rib protection piece 9, then taking the hose 7 sleeved with the steel wire rope 8, winding a circle of hose 7 on the periphery of the steel reinforcement cage 2 on the lower annular surface of the steel ring 5, and placing the rope end of the steel wire rope 8 outside the steel reinforcement cage 2; installing a concrete template 4 above the pile hole 1 and outside the reinforcement cage 2, pouring concrete to form a concrete pile after the installation is finished, and pouring a handle 11 on the top surface of the concrete pile; after the concrete pile is completely solidified, firstly removing the concrete template 4, then hoisting the steel wire rope 8 by using a crane, enabling the steel wire rope 8 to annularly peel off the concrete pile, forming an annular cut on the outer wall of the concrete pile, and separating a pile body and a pile head at the annular cut by using an air pick tool or a wedge block; the lifting machine is connected with a lifting handle 11, vertically lifts the concrete pile head to be broken, keeps the main reinforcement 3 above the pile top to be displayed along with the lifting of the concrete pile head, and manually trims the concrete pile top to finish the breaking of the concrete pile head.
Specifically, the steel ring 5 is used for dropping the ring 6 on the steel ring 5, and sealing glue is applied between the ring 6 and the steel ring 5, and the ring 6 is used for sealing the single-bar protection member 9 and sealing glue therebetween, so as to prevent concrete from pouring into the single-bar protection member 9.
It should be noted that the single-rib protection member 9 is used for isolating the concrete from the main rib 3 during pouring, and preventing the concrete from contacting the main rib 3, so that the main rib 3 is not damaged during pile breaking, and the strength of the reinforcement cage 2 is further ensured.
Since the purpose of the single-bar protector 9 is to prevent the concrete from contacting the main bar 3, the contact positions of the reinforcement cage 2, the steel ring 5, the circular ring 6 and the single-bar protector 9 must be sealed with glue, and the sealing treatment can be performed at the contact positions.
Second embodiment
The second embodiment of the utility model relates to a concrete pile head demolishs structure, refer to fig. 1, it includes steel reinforcement cage 2 of putting in pile hole 1 down, the pile top design elevation of steel reinforcement cage 2 is the broken pile position, in broken pile position, as shown in fig. 2, steel reinforcement cage 2 has cup jointed steel ring 5 and ring 6 rather than concentric along the axial, ring 6 and steel ring 5 are arranged from top to bottom and hug closely, the lower ring surface of steel ring 5 is equipped with the hose 7 of winding the peripheral round of steel reinforcement cage 2 of hoop, wear wire rope 8 in the hose 7;
each main muscle 3 suit one single muscle protection piece 9 of steel reinforcement cage 2, the sealed rigid coupling of the bottom face of single muscle protection piece 9 in the last anchor ring of ring 6, main muscle 3 above broken pile position is sealed by seal package in the sealed cavity that anchor ring formed on single muscle protection piece 9 and ring 6.
Referring to fig. 1, the breaking structure of the concrete pile head further includes a multi-bar protection member 10, the multi-bar protection member 10 is sleeved on at least two adjacent single-bar protection members 9, and the bottom end surface of each multi-bar protection member 10 is fixedly connected to the upper ring surface of the ring 6 in a sealing manner.
The working process/use method of the concrete pile head breaking structure protected by the embodiment is as follows:
firstly, a reinforcement cage 2 is put into a pile hole 1, then a ring 6 is put above a steel ring 5, then a single-bar protection piece 9 is sleeved on each main bar 3, then a multi-bar protection piece 10 is sleeved outside at least two adjacent single-bar protection pieces 9, and the bottom end surfaces of the single-bar protection pieces 9 and the multi-bar protection pieces 10 are ensured to fall on the upper ring surface of the ring 6; sealing the contact positions of a steel reinforcement cage 2, a steel ring 5, a circular ring 6, a single-rib protection piece 9 and a multi-rib protection piece 10, then taking a hose 7 sleeved with a steel wire rope 8, winding a circle of hose 7 on the periphery of the steel reinforcement cage 2 on the lower annular surface of the steel ring 5, and placing the rope head of the steel wire rope 8 outside the steel reinforcement cage 2; installing a concrete template 4 above the pile hole 1 and outside the reinforcement cage 2, pouring concrete to form a concrete pile after the installation is finished, and pouring a handle 11 on the top surface of the concrete pile; after the concrete pile is completely solidified, firstly removing the concrete template 4, then hoisting the steel wire rope 8 by using a crane, enabling the steel wire rope 8 to annularly peel off the concrete pile, forming an annular cut on the outer wall of the concrete pile, and separating a pile body and a pile head at the annular cut by using an air pick tool or a wedge block; the lifting machine is connected with a lifting handle 11, vertically lifts the concrete pile head to be broken, keeps the main reinforcement 3 above the pile top to be displayed along with the lifting of the concrete pile head, and manually trims the concrete pile top to finish the breaking of the concrete pile head.
Different from the first embodiment, in order to isolate the concrete from the main reinforcement 3 and avoid the contact between the concrete and the main reinforcement 3, the present embodiment is provided with the single-reinforcement protection member 9, and simultaneously, the two adjacent single-reinforcement protection members 9 (as shown in fig. 3) or the three adjacent single-reinforcement protection members 9 (as shown in fig. 4) are also provided with the multi-reinforcement protection member 10 sleeved on the outer walls of the four adjacent single-reinforcement protection members 9 (as shown in fig. 5), it can be seen that the top cover plate of the multi-reinforcement protection member 10 is higher than that of the single-reinforcement protection member 9, and the single-reinforcement protection member 9 and the multi-reinforcement protection member 10 jointly act to isolate the concrete from the main reinforcement 3, thereby ensuring the stability during pouring.
It should be noted that, the multi-bar protection member 10 has an important function besides the above functions, that is, it is convenient to transport, because there are more main bars 3 of the reinforcement cage 2, there are more single-bar protection members 9 covering the main bars 3, for the convenience of transport, one multi-bar protection member 10 is installed outside two or three or four single-bar protection members 9, the outer arc radius of the multi-bar protection member 10 is smaller than the radius of the concrete form 4, so that it is more stable during casting, and it is easier to lift the pile head during pile breaking.
Referring to fig. 1 to 5, the length of the multi-bar protection member 10 is greater than the circumscribed circle of two/three/four adjacent single-bar protection members 9 inside the multi-bar protection member, the inner arc and the outer arc of the multi-bar protection member 10 are concentric with the pile hole 1, that is, the multi-bar protection member 10 can be easily sleeved outside the single-bar protection member 9, the inner arc and the outer arc of the multi-bar protection member 10 are concentric with the pile hole 1, and the multi-bar protection member can fall on the ring 6.
The circular ring 6 penetrates through each main rib 3, and the steel ring 5 covers the distance between the inner diameter and the outer diameter of the circular ring 6 to ensure that concrete does not flow in; the diameter of the single-rib protector 9 is smaller than the distance between the inner arc and the outer arc of the multi-rib protector 10, and the distance between the inner arc and the outer arc of the multi-rib protector 10 is smaller than the distance between the inner ring and the outer ring of the ring 6; so that the securing ring 6 can be dropped onto the steel ring 5 and the single and multi-bar protectors 9, 10 can be dropped onto the ring 6.
Third embodiment
In addition to the above embodiments, preferably, the single rib protection member 9 is a circular tube structure with a closed top and an open bottom, the open bottom of the circular tube structure is fixedly and sealingly connected with the upper ring surface of the circular ring 6, and the cover plate with the closed top covers the top of the main rib 3.
Preferably, the multi-rib protection member 10 is an arc flat tube structure with a closed top and an open bottom, the open bottom of the arc flat tube structure is fixedly connected with the upper ring surface of the circular ring 6 in a sealing manner, and the cover plate with the closed top covers the top of the cover plate of the single-rib protection member 9.
Preferably, the steel ring 5 is a concentric ring structure, the distance between the inner ring and the outer ring is equal to the diameter of the main rib 3, and the radial section of the inner ring and the radial section of the outer ring are rectangles with the same shape and area.
Preferably, the ring 6 is a concentric ring structure, the distance between the inner ring and the outer ring is larger than the diameter of the main rib 3, the radial section of the inner ring and the radial section of the outer ring are rectangles with the same shape and area, and the length of the rectangle is larger than that of the rectangle with the section of the inner ring and the outer ring in the steel ring 5, so as to ensure that the bottom end surface of the single-rib protector 9 and the bottom end surface of the multi-rib protector 10 can fall on the upper ring surface of the ring 6 at the same time.
In order to conveniently pour concrete, the concrete pile head breaking structure further comprises a concrete template 4, the concrete template 4 is arranged on the periphery of the reinforcement cage 2 in a surrounding mode, the concrete template 4 is located above the pile hole 1, the concrete template 4 is circular, the diameter of the concrete template is equal to that of the pile hole 1 and is arranged concentrically, and the inner wall of the concrete template 4 is tightly attached to the outer ring side ring surface of the ring 6 in a sealing mode at the pile breaking position.
Fourth embodiment
The embodiment protects a method for breaking a concrete pile head, which comprises the following steps:
s1, prefabricating a reinforcement cage 2, a steel ring 5, a circular ring 6, a single-rib protection piece 9 and a multi-rib protection piece 10, welding the steel ring 5 at a pile breaking position of the reinforcement cage 2, and ensuring that each main rib 3 is positioned between an inner ring and an outer ring of the steel ring 5;
s2, firstly, putting the reinforcement cage 2 into the pile hole 1, then putting the ring 6 above the steel ring 5, sleeving a single-bar protection piece 9 on each main bar 3, sleeving the multi-bar protection piece 10 outside at least two adjacent single-bar protection pieces 9, and ensuring that the bottom end surfaces of the single-bar protection pieces 9 and the multi-bar protection pieces 10 fall on the upper ring surface of the ring 6;
s3, sealing the contact positions of the steel reinforcement cage 2, the steel ring 5, the circular ring 6, the single-rib protection piece 9 and the multi-rib protection piece 10, then taking the hose 7 sleeved with the steel wire rope 8, winding a circle of hose 7 on the periphery of the steel reinforcement cage 2 on the lower annular surface of the steel ring 5, and placing the rope head of the steel wire rope 8 outside the steel reinforcement cage 2;
s4, mounting a concrete template 4 above the pile hole 1 and outside the reinforcement cage 2, pouring concrete to form a concrete pile after the mounting is finished, and pouring a lifting handle 11 on the top surface of the concrete pile;
s5, after the concrete pile is completely solidified, firstly removing the concrete template 4, then lifting the steel wire rope 8 by using a lifting machine, enabling the steel wire rope 8 to annularly peel off the concrete pile, forming an annular notch on the outer wall of the concrete pile, and separating a pile body and a pile head at the annular notch by using an air pick tool or a wedge block;
and S6, connecting a lifting machine with a lifting handle 11, vertically lifting the concrete pile head to be broken, keeping the main reinforcement 3 above the pile top to be displayed along with the lifting of the concrete pile head, manually finishing the concrete pile top, and finishing the breaking of the concrete pile head.
Specifically, referring to fig. 1, in step S4, two handles 11 are poured on the top surface of the concrete pile, and are uniformly distributed on the top surface of the concrete pile, and the handles 11 are symmetrical structures with a central portion having an upward convex and downward opening.
After the concrete pile head is broken, the single-rib protection piece 9, the multi-rib protection piece 10 and the circular ring 6 can be detached, so that the next concrete pile head can be broken, the concrete pile head can be repeatedly utilized, resources are saved, the cost is reduced, and the workload of workers is reduced.
In summary, the problem that in the prior art, when the contact between the steel bar and the concrete is isolated by using the isolation sleeve during construction, the isolation sleeve cannot be reused after pile breaking, is complex to operate and difficult to control, and the quality of a pile breaking process is difficult to ensure is solved; the utility model discloses an improvement to current broken pile structure makes the structure of a convenient broken pile head have the function of protection owner muscle and quick circular cutting to make the structure of a convenient broken pile head gain high-efficient broken stake, reduce cost, reduce workman's work load, the effect of engineering quality is ensured to protection owner muscle.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims (7)

1. The utility model provides a concrete pile head's structure of breaing up, it is including lowering steel reinforcement cage (2) in stake hole (1), the pile bolck design elevation position of steel reinforcement cage (2) is for breaing a position, its characterized in that: at the pile breaking position, a steel ring (5) and a circular ring (6) which are concentric with the steel cage (2) are sleeved on the steel cage (2) along the axial direction, the circular ring (6) and the steel ring (5) are arranged up and down and are tightly attached to each other, a hose (7) which is wound around the periphery of the steel cage (2) in the circular direction is arranged on the lower ring surface of the steel ring (5), and a steel wire rope (8) penetrates through the hose (7);
each main muscle (3) suit of steel reinforcement cage (2) single muscle protection piece (9), the sealed rigid coupling of the bottom face of single muscle protection piece (9) is in the last ring surface of ring (6), and main muscle (3) more than broken pile position are sealed by seal encapsulation in the sealed cavity that single muscle protection piece (9) and ring (6) go up the ring surface and form.
2. The breaking structure of a concrete pile head of claim 1, wherein: the multi-rib protection device is characterized by further comprising a multi-rib protection piece (10), wherein the multi-rib protection piece (10) is sleeved outside at least two adjacent single-rib protection pieces (9), and the bottom end face of each multi-rib protection piece (10) is fixedly connected to the upper ring face of the circular ring (6) in a sealing mode.
3. The breaking structure of a concrete pile head of claim 1, wherein: the single-rib protection piece (9) is of a round tube structure with a closed top and an open bottom, the open bottom of the round tube structure is fixedly connected with the upper ring surface of the round ring (6) in a sealing manner, and the cover plate at the closed end of the top covers the top of the main rib (3).
4. The breaking structure of a concrete pile head of claim 2, wherein: the multi-rib protection piece (10) is an arc flat tube structure with a closed top and an open bottom, the open bottom of the arc flat tube structure is fixedly connected with the upper ring surface of the circular ring (6) in a sealing manner, and the cover plate with the closed top end covers the top of the cover plate of the single-rib protection piece (9).
5. The breaking structure of a concrete pile head of claim 1, wherein: the steel ring (5) is of a concentric ring structure, the distance between the inner ring and the outer ring is equal to the diameter of the main rib (3), and the radial section of the inner ring and the radial section of the outer ring are rectangles with the same shape and area.
6. The breaking structure of a concrete pile head of claim 1, wherein: the ring (6) is of a concentric ring structure, the distance between the inner ring and the outer ring is larger than the diameter of the main rib (3), the radial section of the inner ring and the radial section of the outer ring are rectangles with the same shape and area, and the length of each rectangle is larger than that of the rectangle on the section of the inner ring and the outer ring of the steel ring (5).
7. The concrete pile head demolition structure according to claim 6, wherein: the concrete formwork (4) is installed on the periphery of the reinforcement cage (2) in a surrounding mode, and the inner wall of the concrete formwork (4) is tightly attached to the outer ring side ring surface of the ring (6) in a sealing mode at the pile breaking position.
CN201921313219.1U 2019-08-14 2019-08-14 Breaking structure of concrete pile head Active CN211113632U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110468842A (en) * 2019-08-14 2019-11-19 中交第二公路工程局有限公司 A kind of concrete pile head abolishes structure and its restructuring bankrupt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110468842A (en) * 2019-08-14 2019-11-19 中交第二公路工程局有限公司 A kind of concrete pile head abolishes structure and its restructuring bankrupt

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