CN215105295U - Incomplete steel sleeve device for embedding anchor cable in pile - Google Patents

Incomplete steel sleeve device for embedding anchor cable in pile Download PDF

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Publication number
CN215105295U
CN215105295U CN202120898137.9U CN202120898137U CN215105295U CN 215105295 U CN215105295 U CN 215105295U CN 202120898137 U CN202120898137 U CN 202120898137U CN 215105295 U CN215105295 U CN 215105295U
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pile
steel
pile body
anchor cable
sleeve
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赵斌
王丽庆
朱占国
胡奇凡
万清
张春雷
李辉
郭家兴
肖俊航
刘诣轩
时晓贝
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China Railway Design Corp
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China Railway Design Corp
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Abstract

The utility model discloses an incomplete steel casing device is used to pre-buried anchor rope in stake relates to stake anchor support field, including the pile body subassembly, the pre-buried anchor rope still includes with incomplete steel casing device in this stake: the embedded anchor cable comprises an embedded anchor cable body assembly, a sleeve fixing steel bar, a pair of fine adjustment main bars and a pair of steel sleeve slots, wherein the embedded anchor cable body assembly is embedded in a pile, the incomplete steel sleeve penetrates through the pile body assembly, the sleeve fixing steel bar is sleeved at two ends of the embedded anchor cable body assembly in the pile respectively, the fine adjustment main bars are arranged on two sides of the sleeve fixing steel bar respectively and are fixedly connected with the sleeve fixing steel bar respectively, the embedded anchor cable body assembly is provided with the steel sleeve slots, and the axis of the embedded anchor cable body assembly inside the pile assembly intersects with the axis of the pile body assembly at one point. The technical scheme has the advantages of simple structure, convenience in implementation and good integrity.

Description

Incomplete steel sleeve device for embedding anchor cable in pile
Technical Field
The utility model discloses a pile anchor support field especially relates to pre-buried anchor rope is with incomplete steel casing pipe device in stake.
Background
Along with the development and utilization of urban underground space, the scale of the foundation pit depth and the foundation pit (side slope) is larger and larger, the pile-anchor supporting system has the advantages of larger integral rigidity, convenient construction, small construction vibration, low noise, small influence on the surrounding environment and strong stratum adaptability, and the earthwork excavation in the foundation pit of the system and the pile-anchor supporting system are not interfered with each other, so that the construction period can be shortened, and the pile-anchor supporting system is widely applied to the foundation pit and side slope engineering.
Wherein for a pile-anchor support system: the design method generally requires that when a construction method is used for pile construction, a complete steel sleeve for the anchor cable is pre-embedded in a pile, and in the construction process, when the pile needs to be subjected to underwater concrete pouring, because the size of a flange at the joint of a guide pipe is large, the space formed by a pile reinforcement cage and the complete steel sleeve for the anchor cable pre-embedded in the pile after installation is small, the underwater concrete pouring guide pipe of the pile can not smoothly vertically sink and lift in the pile; therefore, the construction method does not usually install the anchor cable steel sleeve embedded completely in the pile, or only embed a short steel sleeve in one side, or embed short and mutually independent steel sleeves in two sides.
At present, 3 methods commonly used by a construction party have great potential safety hazards. The method of embedding the steel sleeve and embedding the steel sleeve at one side is not used, when the anchor cable hole is constructed in the subsequent pile body, the main reinforcement and the spiral reinforcement of the pile body can be damaged with great probability, and great potential safety hazard exists; the method of separately embedding independent steel sleeves in two sides in a pile in a segmented manner is mutually independent and unrelated because the embedded steel sleeves are not connected, the steel sleeves are not integral and have poor deformation resistance, the steel sleeves on two sides deform slightly to cause difficulty in hole forming of anchor cable construction on a follow-up pile, and therefore the steel sleeves for the embedded anchor cables in the pile, which can meet the design requirements and facilitate construction, are designed to solve the technical problem urgently in the field.
SUMMERY OF THE UTILITY MODEL
For overcoming the problem that exists among the correlation technique, the utility model discloses an embodiment provides pre-buried anchor rope is with incomplete steel casing pipe device in the stake. The technical scheme is as follows:
according to the utility model discloses a first aspect of the embodiment provides an incomplete steel casing device for pre-buried anchor rope in stake, including the pile body subassembly, the incomplete steel casing device for pre-buried anchor rope still includes in this stake:
the embedded anchor cable comprises an embedded anchor cable body assembly, a sleeve fixing steel bar, a pair of fine adjustment main bars and a pair of steel sleeve slots, wherein the embedded anchor cable body assembly is embedded in a pile, the incomplete steel sleeve penetrates through the pile body assembly, the sleeve fixing steel bar is sleeved at two ends of the embedded anchor cable body assembly in the pile respectively, the fine adjustment main bars are arranged on two sides of the sleeve fixing steel bar respectively and are fixedly connected with the sleeve fixing steel bar respectively, the embedded anchor cable body assembly is provided with the steel sleeve slots, and the axis of the embedded anchor cable body assembly inside the pile assembly intersects with the axis of the pile body assembly at one point.
In one embodiment, the pile assembly comprises:
the pile comprises a pile body, at least one pair of pile body main reinforcements are arranged on the inner wall of the pile body along two sides of the central axis of the pile, the arrangement of the pile body main reinforcements is carried out according to the design requirement, and the arrangement of the pile body main reinforcements on two sides of a steel sleeve is finely adjusted by combining the positioning of an incomplete steel sleeve for an embedded anchor cable in the pile;
the hoop is put more than one stake of being parallel to each other and is put more energy into, the hoop is put more energy into to the stake sets up in the stake body, with stake body owner muscle fixed connection, the hoop is put more energy into to the stake is cyclic annular arranges in the inboard position of stake body owner muscle, with stake body owner muscle welded connection, the hoop is put more energy into to the stake should combine in the stake the vertical position of its in the stake with incomplete steel casing pipe location fine setting for pre-buried anchor rope, avoid with stake in pre-buried anchor rope with incomplete steel casing pipe space conflict.
In one embodiment, the inside of pile body is equipped with stake spiral stirrup, the outside of stake spiral stirrup is apart from the pile body surface clear distance 70mm, the location of stake spiral stirrup should combine design requirement stake reinforcing bar protective layer thickness to confirm, the inboard of stake spiral stirrup is arranged with pile body owner muscle is close to paste, stake spiral stirrup should combine in the stake pre-buried anchor rope with incomplete steel casing location fine setting its reinforcing bar in the stake to arrange, avoid with the pre-buried incomplete steel casing space conflict of using of anchor rope in the stake.
In one embodiment, the sleeve fixing steel bar comprises an annular steel bar section and a pair of vertical steel bar sections, the annular steel bar section and the vertical steel bar sections are fixedly connected, the annular steel bar section of the sleeve fixing steel bar is sleeved at two ends of an incomplete steel sleeve for embedded anchor cables in a pile located in the pile body, and the pair of vertical steel bar sections of the sleeve fixing steel bar are respectively and fixedly connected with the fine adjustment main bar.
In one embodiment, the included angle between the axis of the non-integral steel sleeve for the embedded anchor cable inside the pile assembly and the axis of the pile body assembly is 55-80 degrees.
The utility model discloses a technical scheme that embodiment provided can include following beneficial effect: the pile has the advantages that the embedding of the incomplete steel sleeve for the anchor cable is completed in the pile in the one-pile one-anchor supporting mode, the incomplete steel sleeve for the embedded anchor cable in the pile has certain integrity, has larger structural rigidity and certain deformation resistance, the construction requirement of underwater pile concrete pouring is met under the condition, and the requirement of designing the steel sleeve for the embedded anchor cable in the pile is also met.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic vertical cross-sectional view of an incomplete steel sleeve device for embedding anchor cables in piles according to the present invention;
fig. 2 is a schematic horizontal cross-sectional view of an incomplete steel sleeve device for embedding anchor cables in piles according to the present invention;
fig. 3 is a schematic view of the connection between the incomplete steel sleeve for the embedded anchor cable in the pile and the fine adjustment main rib of the present invention;
fig. 4 is a schematic structural view of the sleeve fixing steel bar of the present invention;
reference numerals:
Figure BDA0003043497610000031
Figure BDA0003043497610000041
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The utility model discloses a technical scheme that provides relates to pre-buried anchor rope in stake with incomplete steel casing pipe device, especially relates to the field. In the related technology, a steel sleeve is not embedded and the steel sleeve is embedded at one side, so that when an anchor cable hole is constructed in a subsequent pile body, a main rib and a spiral rib of the pile body can be damaged with great probability, and great potential safety hazards exist; the method for separately embedding the independent steel sleeves in the pile in sections at two sides is characterized in that the embedded steel sleeves are mutually independent and not connected, the steel sleeves are not integral and have poor deformation resistance, and the steel sleeves at two sides deform slightly to cause difficulty in subsequent construction of anchor cables on the pile. Based on this, the embedded anchor rope is with incomplete steel casing device in stake that this disclosed technical scheme provided utilizes embedded anchor rope in a novel stake to use incomplete steel casing tubular form formula, under having realized a stake anchor supporting form, the embedding of embedded anchor rope in the stake is with steel casing is accomplished, and embedded anchor rope possesses certain integrality with incomplete steel casing in this stake, possess great structural rigidity, possess and resist certain deformability, under this kind of condition has been solved, the stake is concreting construction demand under water, the requirement of anchor rope embedded steel casing in the stake has also been satisfied in the design.
Fig. 1 exemplarily shows the vertical section schematic diagram of the incomplete steel sleeve device for pre-buried anchor cable in pile provided by the technical scheme of the utility model. As can be seen from fig. 1 to 4, the incomplete steel casing device for embedding anchor cables in a pile includes a pile body assembly, and further includes: an incomplete steel sleeve 5 for an anchor cable is pre-embedded in a pile, the incomplete steel sleeve 5 for the anchor cable is pre-embedded in the pile penetrates through a pile body assembly, sleeve fixing steel bars 6 are respectively sleeved at two ends of the incomplete steel sleeve 5 for the anchor cable pre-embedded in the pile, a pair of fine adjustment main bars 2 are respectively arranged at two sides of each sleeve fixing steel bar 6, at least one pair of fine adjustment main bars 2 are respectively and fixedly connected with the sleeve fixing steel bars 6, a steel sleeve slot 7 is arranged on the incomplete steel sleeve for the anchor cable pre-embedded in the pile, the axis of the incomplete steel sleeve 5 for the anchor cable pre-embedded in the pile assembly intersects with the axis of the pile body assembly at one point, and the length dimension a and the width dimension b of the steel sleeve slot 7 in the range are comprehensively determined by combining the diameter of a pile body 1, the flange dimension of a pile underwater casting guide pipe connection part and the model of the steel sleeve 5 for pre-embedding in the pile, the size deviation is recommended to be controlled at 20 mm; the welding of the incomplete steel sleeve 5 for the embedded anchor cable and the sleeve fixing steel bar 6 in the pile and the welding of the sleeve fixing steel bar 6 and the pile body main bar 2 are firm, the vertical positioning and the angle of the incomplete steel sleeve 5 for the embedded anchor cable in a steel reinforcement cage are strictly controlled, the occurrence of large deviation is avoided, the vertical positioning deviation is controlled to be 40mm, and the inclination angle is controlled to be 3 degrees.
In the example, for convenience of construction, the space is released as far as possible to meet the requirements of installing steel sleeves for embedded anchor cables in piles and pouring concrete of pile bodies underwater, the incomplete steel sleeves 5 for the embedded anchor cables in the piles are arranged in the middle of the central position of the pile body 1, the arrangement of the fine adjustment main ribs 2 is fine adjusted, the two sides of the incomplete steel sleeves 5 for the embedded anchor cables in the piles are closely arranged on the incomplete steel sleeves 5 for the embedded anchor cables in the piles, and meanwhile, the installation positions and the intervals of the pile spiral stirrups 3 and the pile stiffening stirrups 4 are properly adjusted to adapt to the installation positioning of the incomplete steel sleeves 5 for the embedded anchor cables in the piles
In an example, as shown in fig. 1, the pile assembly includes: the pile comprises a pile body 1, wherein at least one pair of pile body main reinforcements 10 are arranged on the inner wall of the pile body 1 along two sides of the central axis of the pile; more than one stake of being parallel to each other is put more energy into stirrup 3, stake is put more energy into stirrup 3 and is set up in pile body 1, with pile body owner muscle 10 fixed connection, the inside of pile body is equipped with stake spiral stirrup, the outside of stake spiral stirrup 3 is apart from pile body surface clear distance 70mm, the inboard of stake spiral stirrup 3 and the close subsides of pile body owner muscle 10 outside are arranged, need further point out that treat pile body owner muscle 10, stake spiral stirrup 3, stake are put more energy into stirrup 4 and the stake in the embedded anchor rope with the location of incomplete steel casing 5 accurate and the installation back that finishes, through sleeve pipe fixed reinforcement 6 with the interior embedded anchor rope of stake with incomplete steel casing 5 with finely tune main muscle 2 and carry out welded connection, accomplish the assembly of pile body steel reinforcement cage.
Pile stiffening stirrup 3 cyclic annular arranges in pile body owner muscle 10 inboards, and the outside of pile stiffening stirrup and the inboard close subsides of pile body owner muscle, and the installation of pile stiffening stirrup 4, pile body spiral stirrup 3 should combine its spatial arrangement in the pile of location fine setting of steel casing, and it must avoid with the interior pre-buried anchor rope of pile with incomplete steel casing space conflict to arrange in its pile.
In an example, as shown in fig. 3 and 4, the sleeve fixing steel bar 6 includes an annular steel bar section 601 and a pair of vertical steel bar sections 602, the annular steel bar section 601 and the vertical steel bar sections 602 are fixedly connected, the annular steel bar section of the sleeve fixing steel bar 6 is sleeved at two ends of an incomplete steel sleeve for embedding an anchor cable in a pile located in a pile body, the pair of vertical steel bar sections of the sleeve fixing steel bar are respectively and fixedly connected with the fine adjustment main bar 2, and the pile stiffening stirrup 4 is annularly arranged at the inner side of the pile body main bar 10 and is welded to the pile body main bar 10; pile spiral stirrup 3 arranges in the 10 outside positions of pile body owner muscle, with the 10 spot welding of pile body owner muscle or ligature connection, needs further to point out that sleeve pipe fixed reinforcement 6 can be the independent annular reinforcing bar and the assembly body that a pair of vertical reinforcement welded fastening formed, and sleeve pipe fixed reinforcement 6 also can be a reinforcing bar processing and obtain annular reinforcing bar section + the vertical reinforcing bar section in both sides. The annular steel bar section of the sleeve fixing steel bar 6 is determined according to the angle between the incomplete steel sleeve 5 for the embedded anchor cable in the pile and the fine adjustment main bar 2, so that the inner side of the annular steel bar section is closely attached to the outer side of the incomplete steel sleeve 5 for the embedded anchor cable in the pile, and the close attachment part is connected by welding; the vertical steel bar sections of the sleeve fixing steel bars 6 on the two sides of the steel bar fixing device need to be matched with the corresponding fine adjustment main bars 2, so that the outer sides of the vertical steel bar sections on the two sides are closely attached to the corresponding inner sides of the fine adjustment main bars 2, and the closely attached parts are connected in a welding mode.
Further, a pile spiral stirrup is arranged inside the pile body, and the outer side of the pile spiral stirrup is 50-70 mm away from the outer surface of the pile body.
In one embodiment, the intersection between the axis of the embedded anchor cable inside the pile assembly and the axis of the pile body assembly is at 1 point, and the included angle in the embodiment is 60 degrees, namely the included angle between the anchor cable and the horizontal plane is 30 degrees. It should be further noted that the angle between the two should be set according to the angle specified by the design.
After the steel reinforcement cage of the pile is installed according to the requirements, steel reinforcement cage hoisting and pile body construction operation can be carried out, after the concrete strength of the pile body reaches the design requirement, foundation pit (side slope) excavation is carried out, and when the foundation pit (side slope) excavation reaches the design requirement elevation, anchor cable construction is started. During construction, as shown in fig. 1, anchor holes 8 for anchor cables are constructed at the positions of the incomplete steel sleeves 5 for anchor cables pre-buried in the piles from the inner side (left side) of the foundation pit, and then construction of the anchor cables 9 is completed.
By embedding the incomplete steel sleeve for the anchor cable in the pile, the middle space of the pile body is released, the feasibility of underwater concrete pouring of the pile body is ensured, and the difficulty of underwater pile concrete pouring of a construction side is solved; meanwhile, the incomplete steel sleeve for the embedded anchor cable in the embedded pile is an integral component, so that mechanical equipment can not damage a main rib of the pile body, a spiral stirrup of the pile, a stiffening stirrup of the pile and the like when an anchor hole is formed in the pile body by a follow-up construction method, construction risks can not be generated, and the construction quality of the anchor cable is controllable.
In one embodiment, during construction of the anchor cable, the drill bit is used to drill through the opposite side walls of the pile body 1 along the axial direction of the embedded anchor cable with the incomplete steel sleeve, the pile body 1 is fixed underground, and after penetrating through the pile body 1, the drill bit enters the soil layer of the foundation pit to form a certain construction space in the soil layer of the foundation pit, so that construction of the anchor hole 8 and the anchor cable 9 is completed.
In the example, as shown in fig. 3, an included angle between an axis of the incomplete steel sleeve 5 for embedded anchor cables inside the pile assembly and an axis of the pile body 1 of the pile body assembly is 55 degrees to 80 degrees, and it should be further noted that after the reinforcement cage is hoisted and the pile body is constructed, anchor holes 8 are constructed at the incomplete steel sleeve 5 for embedded anchor cables inside the pile from the inner side of the foundation pit, and then the construction of the anchor cables 9 is completed. In the example, the included angle between the axis of the incomplete steel sleeve 5 for embedding the anchor cable in the pile and the axis of the pile body is 60 degrees, and the steel sleeve can be flexibly adjusted in combination with the design angle of the anchor cable during actual construction.
By embedding the incomplete steel sleeve for the anchor cable in the pile, the middle space of the pile body is released, the feasibility of underwater concrete pouring of the pile body is ensured, and the difficulty of underwater pile concrete pouring of a construction side is solved; meanwhile, the incomplete steel sleeve for the embedded anchor cable in the embedded pile is an integral component, so that mechanical equipment can not damage a main rib of the pile body, a spiral stirrup of the pile, a stiffening stirrup of the pile and the like when an anchor hole is formed in the pile body by a follow-up construction method, construction risks can not be generated, and the construction quality of the anchor cable is controllable.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.

Claims (5)

1. The utility model provides a pre-buried anchor rope still includes with incomplete steel casing device in stake which characterized in that, including the pile body subassembly, pre-buried anchor rope in this stake is with incomplete steel casing device:
the embedded anchor cable comprises an embedded anchor cable body assembly, a sleeve fixing steel bar, a pair of fine adjustment main bars and a pair of steel sleeve slots, wherein the embedded anchor cable body assembly is embedded in a pile, the incomplete steel sleeve penetrates through the pile body assembly, the sleeve fixing steel bar is sleeved at two ends of the embedded anchor cable body assembly in the pile respectively, the fine adjustment main bars are arranged on two sides of the sleeve fixing steel bar respectively and are fixedly connected with the sleeve fixing steel bar respectively, the embedded anchor cable body assembly is provided with the steel sleeve slots, and the axis of the embedded anchor cable body assembly inside the pile assembly intersects with the axis of the pile body assembly at one point.
2. The incomplete steel sleeve device for embedding anchor cables in piles according to claim 1, wherein the pile body assembly comprises:
the pile body, at least a pair of pile body owner muscle is arranged in the pile body, at least a pair of pile body owner muscle pastes the steel casing pipe and arranges.
3. The incomplete steel sleeve device for embedding the anchor cable in the pile as claimed in claim 2, wherein the sleeve fixing steel bars comprise annular steel bar sections and a pair of vertical steel bar sections, the annular steel bar sections are sleeved at two ends of the steel sleeve and are welded with the steel sleeve, and the pair of vertical steel bar sections are welded with the fine-tuning main bars at corresponding positions.
4. The incomplete steel sleeve device for embedding anchor cables in piles according to claim 3, wherein pile stiffening stirrups and pile body spiral stirrups are arranged in the pile body,
the pile stiffening stirrup is annularly arranged at the inner side of the pile body main reinforcement and is welded with the pile body main reinforcement; the pile spiral stirrup is arranged at the outer side of the pile body main reinforcement and connected with the pile body main reinforcement.
5. The incomplete steel sleeve device for the embedded anchor cable in the pile as claimed in claim 1, wherein an included angle between an axis of the incomplete steel sleeve for the embedded anchor cable in the pile assembly and an axis of a pile body of the pile body assembly is 55-80 degrees.
CN202120898137.9U 2021-04-28 2021-04-28 Incomplete steel sleeve device for embedding anchor cable in pile Active CN215105295U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114673164A (en) * 2022-03-11 2022-06-28 北京市地质工程有限责任公司 Supporting lateral wall structure capable of being disassembled in sections and construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114673164A (en) * 2022-03-11 2022-06-28 北京市地质工程有限责任公司 Supporting lateral wall structure capable of being disassembled in sections and construction method
CN114673164B (en) * 2022-03-11 2023-02-03 北京市地质工程有限责任公司 Supporting lateral wall structure capable of being disassembled in sections and construction method

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