A construction method for square anti-sliding pile steel cage

Abstract

The present invention belongs to the technical field of anti-sliding pile construction, and relates to a construction method of a square anti-sliding pile steel cage. The method comprises: setting up a stand on a pile well; hanging at least two hanging bars on each rod at intervals, setting up two rods on both sides of a hoisting frame, lifting the hoisting frame, lowering all the hanging bars through the through cavity on the stand into the pile well one by one, and tying multiple stirrups with all the hanging bars in the stand after each lowering, until the lowering is completed and the stirrups are tied; hanging multiple main reinforcement modules into the pile well, tying them with the stirrups in the stand to form a steel cage prototype; lifting two rods to lift the steel cage prototype from the pile well one by one, and tying each main reinforcement module with the stirrups in the stand after each lifting, until the lifting is completed and the main reinforcement modules are tied, and finally forming a steel cage; lowering the steel cage into the pile well and removing the stand. The present invention can reduce the construction difficulty of the square anti-sliding pile steel cage, improve construction efficiency, and reduce construction risks and construction costs.

Description

Technical Field

[0001] The invention belongs to the technical field of anti-sliding pile construction, and in particular relates to a construction method of a square anti-sliding pile reinforcement cage. Background Art

[0002] Infrastructure projects in plateau mountainous areas, such as high-speed railways, highways, large reservoirs, hydropower stations, mines, municipal slopes, etc., usually carry out anti-slip support at tunnel entrances and roadbed sections adjacent to mountains to ensure operational safety and prevent geological safety hazards. Most of them now use square anti-slip piles for support.

[0003] Square anti-slip piles were first constructed using the manual hole digging and wall protection construction method. The steel cages were usually constructed by manually going down into the well and tying them up. Due to objective reasons such as the small space in the anti-slip pile well and poor air circulation, vertical transportation of people, materials and machines was difficult, resulting in low construction efficiency and greater safety hazards.

[0004] At present, in order to improve the construction efficiency of square anti-sliding piles, the anti-sliding pile wells have begun to adopt the construction method of mechanical drilling with rotary drilling rigs. Since mechanical drilling usually only serves as wellhead wall protection but not pile hole wall protection, manual well operations are strictly prohibited, and the steel cage can only be made outside the pile well and hoisted into the well as a whole. However, this method has the following shortcomings:

[0005] 1) For safety reasons, the requirements for the welding design and welding technology of the steel cage lifting points are high, resulting in low efficiency in the production of steel cages. In addition, during the overall lifting process, problems such as lifting point setting and welding quality may increase the construction risk;

[0006] 2) Due to the heavy weight of the steel cage, large lifting equipment is required. However, the construction method of lifting the steel cage into the well as a whole will occupy large lifting equipment for a long time, increasing construction costs.

[0007] In view of this, it is urgent to develop a new construction method for square anti-sliding pile reinforcement cage. Summary of the invention

[0008] In view of the shortcomings existing in the related technology, the present invention provides a construction method of a square anti-slip pile steel cage, aiming to reduce the construction difficulty of the square anti-slip pile steel cage, improve construction efficiency, reduce construction risks, reduce the occupancy of large lifting equipment, and reduce construction costs.

[0009] The construction method of the square anti-sliding pile reinforcement cage of the present invention comprises the following steps:

[0010] S1. Make steel cage components and tooling; the steel cage components include hanging bars, stirrups, and main bar modules. The main bar modules include main bar modules on the mountain side, main bar modules on the back of the mountain, and lateral main bar modules; the tooling includes a hanging frame, a stand, and a rod. The stand is a full frame structure with a vertically extending through cavity;

[0011] S2, erecting a stand on the square anti-slip pile well; hanging at least two hanging bars on each rod at intervals, respectively erecting two rods on both sides of the hoisting frame, hoisting the hoisting frame by a crane, and lowering all the hanging bars into the pile well one by one through the through cavity on the stand, after each lowering, tying and fixing multiple stirrups with all the hanging bars within the height range of the stand, and then lowering again until the rods are crimped on the top surface of the stand and the tying of the stirrups and the hanging bars is completed; removing the hoisting frame;

[0012] S3, multiple main reinforcement modules on the mountain side, multiple main reinforcement modules on the back of the mountain, and multiple lateral main reinforcement modules are hoisted into the pile well one by one, and are placed at the same lowering height as the hanging bars, and each main reinforcement module is tied and fixed with multiple stirrups within the height range of the stand, so as to form a prototype of a steel cage;

[0013] S4, hoisting two through rods at the same time, lifting the steel cage prototype from the pile well one by one, after each lifting, respectively tying and fixing each main reinforcement module with multiple stirrups within the height range of the platform, and then performing the next lifting, until the steel cage prototype is taken out from the pile well and each main reinforcement module is tied with stirrups, thereby finally forming the steel cage;

[0014] S5. Lower the steel cage into the pile well. When the two rods are close to the top surface of the stand, remove the stand and continue to lower the steel cage until the two rods overlap the top surface of the pile well mouth wall.

[0015] In some of the embodiments, in step S2, at least three suspension bars are suspended on each penetration rod at intervals; when all the suspension bars are lowered into the pile well one by one, the two penetration rods are respectively located on two lateral directions between the mountain side and the mountain-facing side of the pile well.

[0016] In some of the embodiments, in step S2, each stirrup is tied on the hanger bar at least twice, and the multiple stirrups on the mountain side are arranged in an staggered manner; in step S3, multiple main reinforcement modules on the mountain side are respectively attached to each stirrup on the mountain side and tied and fixed thereto.

[0017] In some of the embodiments, in step S2, when all the hangers are lowered into the pile well one by one, the height of each lowering is equal to the height of the platform; in step S4, when the steel cage prototype is lifted from the pile well one by one, the height of each lifting is equal to the height of the platform.

[0018] In some of these embodiments, the height of the gantry is no greater than 2 m.

[0019] In some of these embodiments, in step S4, before simultaneously lifting two insertion rods, it further includes lifting the lifting frame to the top surface of the bench and making the lifting frame support the two insertion rods again; using a crane to lift the lifting frame to achieve simultaneous lifting of the two insertion rods.

[0020] In some of these embodiments, before performing step S5, at least one positioning frame is installed on the top surfaces around the bench respectively. Each positioning frame includes a positioning member located above the through cavity of the bench and two connecting members connected to both ends of the length of the positioning member, and the other ends of the two connecting members are both connected to the top surface of the bench; all the positioning members jointly position the planar position when the steel reinforcement cage is lowered.

[0021] In some of these embodiments, the mountain-side main reinforcement module includes at least three rows of connected mountain-side main reinforcement bundles, and each mountain-side main reinforcement bundle includes three vertically extending main reinforcements welded into a bundle; the back-mountain-side main reinforcement module includes at least three rows of connected back-mountain-side main reinforcement bundles, and each back-mountain-side main reinforcement bundle includes two vertically extending main reinforcements welded into a bundle; the side main reinforcement module includes multiple vertically extending main reinforcements connected in a row.

[0022] In some of these embodiments, the lifting frame includes a main frame body and multiple supporting members connected to the outer sides of both sides of the main frame body. The supporting members have a supporting groove with an upper opening, and the size of the supporting groove is adapted to the outer diameter of the insertion rod; multiple lifting lugs are arranged on the top surface of the main frame body.

[0023] In some of these embodiments, the bench includes a main frame and a first side frame; the main frame is in a U shape with one side being an open end; the first side frame is detachably connected to the open end of the main frame; the main frame includes a second side frame opposite to the first side frame and four side frames connected between the second side frame and the first side frame; a strengthening frame is connected between two adjacent side frames up and down.

[0024] Based on the above technical solutions, the construction method of the square anti-slide pile steel reinforcement cage in the embodiments of the present invention realizes the production of sub-components of the steel reinforcement cage and the step-by-step hoisting construction of the components through the design and application of the tooling and the specific process setting of the steel reinforcement cage construction method, which can reduce the construction difficulty of the square anti-slide pile steel reinforcement cage, improve the construction efficiency, reduce the construction risk, and reduce the occupation of large hoisting equipment and the construction cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings described herein are used to provide a further understanding of the present invention and form a part of this application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0026] Figure 1 is a flow chart of the construction method of the square anti-slide pile steel reinforcement cage of the present invention;

[0027] Figure 2 It is a top view schematic diagram of the steel cage in the present invention;

[0028] Figure 3 It is a three-dimensional schematic diagram of the steel cage in the present invention;

[0029] Figure 4 It is a structural schematic diagram of the hanging frame in the present invention;

[0030] Figure 5 It is a structural schematic diagram of the stand in the present invention;

[0031] Figure 6 It is a structural schematic diagram of the main reinforcement module on the mountain side in the present invention;

[0032] Figure 7 It is a schematic diagram of lowering the hanging bar into the pile well and tying the stirrups in step S2 of the present invention;

[0033] Figure 8 It is a schematic diagram of the main reinforcement module on the mountain side being hoisted into the pile well in step S3 of the present invention;

[0034] Fig. 9 It is a schematic diagram of the steel cage prototype being lifted from the pile well in step S4 of the present invention;

[0035] Fig.10 It is a schematic diagram of lowering the reinforcement cage into the pile well in step S5 of the present invention;

[0036] Fig.11 for Fig.10 The enlarged view of point A in the middle;

[0037] Fig.12 It is a schematic diagram of the steel cage being completely lowered into the pile well in step S5 of the present invention.

[0038] In the figure:

[0039] 1. Steel cage; 11. Hanging bars; 12. Hoop bars; 13. Main reinforcement module on the mountain side; 131. Main reinforcement bundle on the mountain side; 14. Main reinforcement module on the back of the mountain side; 15. Lateral main reinforcement module; 16. Main reinforcement; 17. Connecting bars; 2. Hoisting frame; 21. Main frame; 22. Supporting parts; 221. Supporting grooves; 23. Lifting ears; 3. Stand; 30. Through cavity; 31. Main frame; 32. First side frame; 33. Second side frame; 34. Frame; 35. Reinforcement frame; 36. Positioning frame; 361. Positioning parts; 362. Connecting parts; 3621. Long flat holes; 363. Bolts; 4. Through rods; 5. Pile well; 51. Wellhead retaining wall. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0041] In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "up", "down", "top", "bottom", "inside", "outside", "left", "right", "front", "back", "vertical", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] refer to Figure 1-Figure 12 The present invention provides a construction method of a square anti-sliding pile reinforcement cage, the method comprising the following steps:

[0045] S1. Make steel cage 1 components and tooling. The steel cage 1 components include multiple hanger bars 11, multiple stirrups 12 and multiple main reinforcement modules; among them, the main reinforcement modules include multiple mountain-side main reinforcement modules 13, multiple mountain-side main reinforcement modules 14, and multiple lateral main reinforcement modules 15; all components of the steel cage 1 are uniformly processed in the steel intelligent production center.

[0046] The tooling includes a hoisting frame 2, a stand 3, and two through rods 4; the through rods 4 can be made of Q235 rods with a diameter of 90 mm. The stand 3 is a full frame structure, that is, the stand 3 has a large area of ​​hollow areas in all directions; further, there is a vertically extending through cavity 30 between the top and bottom surfaces of the stand 3; the opening size of the through cavity 30 is compatible with the wellhead size of the square anti-sliding pile well 5. The hoisting frame 2 is also a frame structure as a whole, and its outer peripheral size is smaller than the opening size of the through cavity 30 on the stand 3.

[0047] S2. Set up the stand 3 on the square anti-slip pile well 5, and align the center of the through cavity 30 with the center of the wellhead of the pile well 5; further, since the mechanically drilled square anti-slip pile well 5 usually has a wellhead protective wall 51, the stand 3 can be set up on the top surface of the wellhead protective wall 51.

[0048] At least two suspension bars 11 are suspended on each through-rod 4 along its axial interval, and the suspension bars 11 are usually HPB300 steel bars with a diameter of 16 mm; specifically, a suspension hole is provided at the top of the suspension bar 11, and the through-rod 4 passes through the plurality of suspension holes in sequence to realize the suspension of the plurality of suspension bars 11 on the through-rod 4; then the two through-rods 4 are respectively set on both sides of the hanging frame 2, and the axial direction of the through-rod 4 is parallel to the top surface or the bottom surface of the hanging frame 2, and the distance between the two through-rods 4 is smaller than the opening size of the through cavity 30 on the stand 3; the hanging frame 2 is lifted by a crane, and the two through-rods 4 and the suspension bars 11 thereon can be driven to move synchronously. The pile well 5 is lowered step by step, and all the hanging bars 11 are lowered into the pile well 5 one by one through the through cavity 30 on the stand 3. It can be understood that since the total weight of the hanging frame 2, the rod 4 and the hanging bars 11 etc. hoisted by the crane is relatively light at this time, it is not necessary to use large-scale lifting equipment; after each lowering, the operator uses the hollow area on the stand 3 beside the stand 3 on the pile well 5 to tie and fix multiple stirrups 12 and all the hanging bars 11 within the height range of the stand 3, and then proceed to the next lowering until the two rods 4 are crimped on the top surface of the stand 3 and the stirrups 12 and the hanging bars 11 are tied.

[0049] Since the two through-rods 4 are only set up on the hanging frame 2, when the two through-rods 4 are pressed onto the top surface of the platform 3, the hanging frame 2 can be properly lowered to release the overlapping relationship between the two through-rods 4 and the hanging frame 2, and then the hanging frame 2 can be properly tilted and lifted so that it can be separated from between the two through-rods 4, and the hanging frame 2 can be moved away by a crane, so that the crane, a lifting equipment resource, can be released; the two through-rods 4 and the hanging bars 11 and stirrups 12 suspended thereon will be completely pressed on the platform 3.

[0050] S3. Use a crane to lift multiple mountain-side main reinforcement modules 13 into the pile well 5 one by one, and make them at the same lowering height as the hanging bars 11. The operating personnel tie and fix each mountain-side main reinforcement module 13 to the multiple stirrups 12 within the height range of the bench 3 beside the bench 3 on the pile well 5; in the same way, lift multiple mountain-facing main reinforcement modules 14 into the pile well 5 one by one and tie and fix them with the multiple stirrups 12 within the height range of the bench 3, and lift multiple lateral main reinforcement modules 15 into the pile well 5 one by one and tie and fix them with the multiple stirrups 12 within the height range of the bench 3; thus, each main reinforcement module is connected to the multiple stirrups 12 and the hanging bars 11 at the upper part within the height range of the bench 3, thereby forming a prototype of the steel cage 1, and at this time, the prototype of the steel cage 1 will be completely hung on the two through rods 4 that are pressed on the top surface of the bench 3.

[0051] It can be understood that multiple main reinforcement modules 13 on the mountain side are located on the side of the pile well 5 close to the mountain, multiple main reinforcement modules 14 on the back of the mountain side are located on the side of the pile well 5 away from the mountain, and multiple lateral main reinforcement modules 15 are located on the left and right sides of the pile well 5 relative to the mountain; in addition, since the crane lifts the mountain side main reinforcement modules 13, the back of the mountain side main reinforcement modules 14, and the lateral main reinforcement modules 15 one by one, the lifting weight is relatively light, and there is no need to use large-scale lifting equipment.

[0052] S4. Use a crane to lift two through-rods 4 at the same time to lift the steel cage 1 prototype from the pile well 5 one by one. After each lifting, the operator will tie and fix each main reinforcement module with multiple stirrups 12 within the height range of the stand 3 next to the stand 3 on the pile well 5, and then carry out the next lifting until the steel cage 1 prototype is taken out of the pile well 5 and each main reinforcement module is tied with the stirrups 12, thereby finally forming a square anti-slip pile steel cage 1.

[0053] S5. Use a crane to slowly lower the two piercing rods 4 at the same time to lower the steel cage 1 into the pile well 5; when the two piercing rods 4 are lowered close to the top surface of the stand 3, the operator removes the stand 3 on the pile well 5; then continue to lower the steel cage 1 until the two piercing rods 4 overlap the top surface of the wellhead retaining wall 51 of the pile well 5, whereby the steel cage 1 is completely lowered into the pile well 5, completing the construction of the square anti-slip pile steel cage 1; it can be understood by those skilled in the art that subsequent construction processes such as concrete pouring, curing and removal of the two piercing rods 4 will be carried out according to specific construction requirements, and then the construction of the square anti-slip pile will be completed.

[0054] The above-mentioned schematic embodiment, through the design and application of tooling and the specific process setting of the steel cage construction method, realizes the sub-assembly production and step-by-step lifting construction of the steel cage 1, reduces the construction difficulty of the square anti-slip pile steel cage 1, and improves the construction efficiency; at the same time, the operating personnel can carry out construction work next to the platform 3 on the pile well 5 without having to go down the well manually, which significantly reduces the construction risk and ensures the construction safety; moreover, compared with the construction method of lifting the steel cage 1 into the well as a whole in the prior art, the group lifting construction method of the steel cage 1 in this embodiment can reduce the occupancy of lifting equipment, especially large lifting equipment, thereby reducing the construction cost.

[0055] refer to Figure 2-Figure 7 As shown, in some embodiments, in step S2, at least three suspension bars 11 are suspended on each through rod 4 along its axial interval; when all the suspension bars 11 are successively lowered into the pile well 5 through the through cavity 30 on the stand 3, two through rods 4 are respectively located in two lateral directions between the mountain side and the mountain side of the pile well 5. It can be understood by those skilled in the art that, usually, the distance between the mountain side and the mountain side of the anti-sliding pile well 5 is greater than the distance between the two lateral directions of the pile well 5, that is, the lateral direction can be considered as the length direction of the pile well 5; therefore, arranging the through rod 4 in the lateral direction of the pile well 5 increases the number of suspension bars 11 arranged in the length direction of the pile well 5, which is conducive to improving the binding quality between the stirrups 12 and the suspension bars 11.

[0056] refer to Figure 2 , Figure 3 , Figure 8 As shown, in some embodiments, in step S2, each stirrup 12 is tied to the hanger bar 11 for at least two circles, and the multiple circles of stirrups 12 on the mountain side of each stirrup 12 are arranged in an intermittent staggered manner, that is, there is a certain gap between the circles on the mountain side of each stirrup 12, and they are staggered with each other. In step S3, multiple main reinforcement modules 13 on the mountain side are respectively attached to each circle of stirrups 12 on the mountain side and tied and fixed thereto, thereby improving the structural strength of the steel cage 1 on the mountain side, which is beneficial to improving the anti-sliding support performance of the anti-sliding pile.

[0057] refer to Figure 2-Figure 7As shown, in some embodiments, in step S2, when all the hanging bars 11 are lowered into the pile well 5 one by one, the height of each lowering is equal to the height of the stand 3; specifically, when the hanging bar 11 is lowered to the point where its bottom end is flush with the bottom surface of the stand 3, the first lowering is completed, and after the operator firmly ties multiple stirrups 12 to all the hanging bars 11 within the height range of the stand 3, the second lowering and the tying of the stirrups 12 after lowering are carried out. According to this process, subsequent lowering and tying after lowering are carried out, and when the two through rods 4 are pressed against the top surface of the stand 3, the lowering is completed, and the stirrups 12 after the last lowering are tied to the hanging bars 11; thereby, the stepwise tying between the stirrups 12 and the hanging bars 11 is achieved. In step S4, when the steel cage 1 prototype is lifted from the pile well 5 one by one, the lifting height each time is equal to the height of the stand 3; specifically, when the distance between the rod 4 and the top surface of the stand 3 reaches the height of the stand 3, it is the first lifting, and the operating personnel firmly bind each main reinforcement module with multiple stirrups 12 within the height range of the stand 3, and then carry out the second lifting and the binding of each main reinforcement module after lifting. According to this process, subsequent lifting and binding after lifting are carried out. When the steel cage 1 prototype is lifted out of the pile well 5, that is, the bottom end of the suspension bar 11 is flush with the bottom surface of the stand 3, the lifting is completed, and the main reinforcement modules and the stirrups 12 are bound after the last lifting; thereby, the staged binding between each main reinforcement module and the stirrups 12 is realized.

[0058] refer to Figure 5 As shown, in some embodiments, the height of the platform 3 is not greater than 2m, and can be 2m, 1.8m, 1.6m, etc., and can be set specifically with reference to the height of the operator and other conditions; the height of this platform 3 is within the height range that the operator can directly operate without the need to set up an additional climbing device, which is conducive to reducing construction difficulty and construction risks.

[0059] refer to Fig. 9 As shown, in some embodiments, in step S4, before simultaneously lifting the two threading rods 4, it also includes using a crane to lift the lifting frame 2 removed in step S2 to the top surface of the platform 3, appropriately tilting and lowering the lifting frame 2 so that it can pass between the two threading rods 4 and be re-supported under the two threading rods 4; using a crane to lift the entire lifting frame 2 to achieve simultaneous lifting of the two threading rods 4; thereby ensuring that the prototype of the steel cage 1 can be smoothly lifted upward from the pile well 5.

[0060] refer to Fig.10 , Fig.11As shown, in some embodiments, before executing step S5, at least one positioning frame 36 is installed on the top surface of the four sides of the platform 3; each positioning frame 36 includes a positioning member 361 located above the through cavity 30 of the platform 3, two connecting members 362 connected to the two ends of the length of the positioning member 361, and the other ends of the two connecting members 362 are connected to the top surface of the platform 3 by bolts 363; the positioning member 361 and the connecting member 362 are both made of angle steel. The front end of each positioning member 361 is used to limit the position of the stirrup 12 on the steel cage 1 close to the positioning member 361 when the steel cage 1 is lowered, and plays a guiding role in the lowering of the steel cage 1; all positioning members 361 jointly position the plane position of the steel cage 1 when it is lowered. Furthermore, a long flat hole 3621 is provided on the connecting member 362, and a bolt 363 passes through the long flat hole 3621 to achieve the connection between the connecting member 362 and the stand 3; the length direction of the long flat hole 3621 is perpendicular to the length direction of the positioning member 361, thereby facilitating the adjustment of the distance between the front end of the positioning member 361 and the edge of the through cavity 30. This exemplary embodiment ensures that the steel cage 1 and the pile well 5 can be accurately aligned after the lowering is completed by setting a plurality of positioning frames 36, thereby improving the subsequent concrete pouring effect and ensuring the support strength of the square anti-slip pile.

[0061] refer to Figure 6 As shown, in some embodiments, the mountain-side main reinforcement module 13 includes at least three mountain-side main reinforcement bundles 131 and a plurality of connecting bars 17, each mountain-side main reinforcement bundle 131 includes three vertically extending main reinforcements 16 welded into a bundle, and a plurality of connecting bars 17 are arranged at intervals along the height direction of the mountain-side main reinforcement bundles 131. The connecting bars 17 span all the mountain-side main reinforcement bundles 131 of the mountain-side main reinforcement module 13 and are welded thereto, so that they are connected in a row to form the mountain-side main reinforcement module 13. The back-mountain-side main reinforcement module 14 includes at least three back-mountain-side main reinforcement bundles and a plurality of connecting bars 17, each mountain-side main reinforcement bundle includes two vertically extending main reinforcements 16 welded thereto, and a plurality of connecting bars 17 are arranged at intervals along the height direction of the back-mountain-side main reinforcement bundles, and the connecting bars 17 span all the back-mountain-side main reinforcement bundles of the back-mountain-side main reinforcement module 14 and are welded thereto, so that they are connected in a row to form the back-mountain-side main reinforcement module 14. The lateral main reinforcement module 15 includes a plurality of vertically extending main reinforcements 16 and a plurality of connecting reinforcements 17, wherein the plurality of connecting reinforcements 17 are arranged at intervals along the height direction of the main reinforcements 16, and the connecting reinforcements 17 are horizontally disposed on all the main reinforcements 16 of the lateral main reinforcement module 15 and are welded thereto so as to be connected in a row to form the lateral main reinforcement module 15. This exemplary embodiment realizes the modular design and manufacture of the mountain-facing main reinforcement module 13, the mountain-facing main reinforcement module 14, and the lateral main reinforcement module 15.

[0062] refer to Figure 4As shown, in some embodiments, the hoisting frame 2 includes a main frame body 21 and a plurality of supporting members 22 connected to the outer sides of both sides of the main frame body 21. The supporting member 22 has a supporting groove 221 with an upward opening, and the size of the supporting groove 221 is adapted to the outer diameter of the through rod 4. A plurality of lifting lugs 23 are arranged on the top surface of the main frame body 21, and a lifting cable passes through the lifting lugs 23 and is connected to the hook of a crane, so that the hoisting frame 2 can be hoisted by the crane. Further, two through rods 4 are placed in the supporting groove 221. When the crane hoists the hoisting frame 2, the through rods 4 can be driven to move synchronously.

[0063] Reference Figure 5 As shown, in some embodiments, the bench frame 3 includes a main frame 31 and a first side frame 32. The main frame 31 is in a U shape, and one side thereof is an open end. The first side frame 32 is detachably connected to the open end of the main frame 31, thereby realizing the disassembly and assembly of the bench frame 3. Further, the main frame 31 includes a second side frame 33 opposite to the first side frame 32 and four side frames 34 connected between the second side frame 33 and the first side frame 32. Both the first side frame 32 and the second side frame 33 are in a square frame structure. A reinforcing frame 35 is connected between two adjacent side frames 34 up and down. There can be a plurality of reinforcing frames 35, which can be arranged vertically or obliquely, thereby ensuring the overall structural strength of the main frame 31. The first side frame 32, the second side frame 33, the side frames 34, and the reinforcing frames 35 can be made of 20b I-beams.

[0064] In summary, for the construction method of the square anti-slide pile steel reinforcement cage of the present invention, through the design and application of the tooling and the specific process setting of the steel reinforcement cage construction method, the component-by-component manufacturing and step-by-step hoisting construction of the steel reinforcement cage are realized. There is no need for manual work in the well and no long-term occupation of large hoisting equipment. Therefore, the construction difficulty of the square anti-slide pile steel reinforcement cage is reduced, the construction efficiency is improved, and the construction risk and construction cost are reduced.

[0065] Finally, it should be noted that the embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same and similar parts among the embodiments can be referred to each other.

[0066] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: the specific implementation manners of the present invention can still be modified or some technical features can be equivalently replaced without departing from the spirit of the technical solutions of the present invention, and they should all be covered within the scope of the technical solutions claimed by the present invention.

Claims

1. A construction method for a square anti-sliding pile reinforcement cage, characterized in that: The following steps are involved: S1. Make a steel cage assembly and tooling; the steel cage assembly includes hanging bars, stirrups, and main bar modules, and the main bar modules include main bar modules on the mountain side, main bar modules on the back of the mountain, and lateral main bar modules; the tooling includes a hanging frame, a stand, and two through rods, and the stand is a full frame structure with a vertically extending through cavity; S2, erecting the platform on the square anti-slip pile well; hanging at least two hanging bars on each of the wear rods at intervals, respectively erecting the two wear rods on both sides of the hanging frame, hoisting the hanging frame by a crane, lowering all the hanging bars into the pile well one by one through the through cavity on the platform, the lowering height each time being equal to the height of the platform, after each lowering, tying and fixing the multiple stirrups to all the hanging bars within the height range of the platform, and then lowering for the next time, until the wear rods are crimped on the top surface of the platform and the stirrups are tied to the hanging bars; removing the hanging frame; S3, hanging and placing a plurality of the main reinforcement modules on the mountain side, a plurality of the main reinforcement modules on the back of the mountain, and a plurality of the lateral main reinforcement modules into the pile well one by one, and making them at the same lowering height as the hanging bars, and respectively tying and fixing each of the main reinforcement modules with a plurality of stirrups within the height range of the stand, thereby forming a prototype of a steel cage; S4, hoisting the two piercing rods at the same time, lifting the steel cage prototype from the pile well one by one, each lifting height is equal to the height of the platform, after each lifting, each main reinforcement module is tied and fixed with multiple stirrups within the height range of the platform, and then the next lifting is performed until the steel cage prototype is taken out of the pile well and each main reinforcement module is tied with stirrups, thereby finally forming the steel cage; S5, lowering the steel cage into the pile well, and when the two rods are close to the top surface of the stand, dismantling the stand, and then continuing to lower the steel cage until the two rods overlap the top surface of the pile well mouth retaining wall.

2. The construction method of the square anti-sliding pile reinforcement cage according to claim 1 is characterized in that: In step S2, at least three suspension bars are suspended on each of the penetration rods at intervals; when all the suspension bars are lowered into the pile well one by one, two penetration rods are respectively located on two lateral sides between the mountain-facing side and the mountain-facing side of the pile well.

3. The construction method of the square anti-sliding pile reinforcement cage according to claim 2 is characterized in that: In step S2, each stirrup is tied on the hanger bar for at least two circles, and the multiple circles of stirrups on the mountain side are arranged in an interval and staggered manner; in step S3, multiple main reinforcement modules on the mountain side are respectively attached to each circle of stirrups on the mountain side and tied and fixed thereto.

4. The construction method of the square anti-sliding pile reinforcement cage according to claim 1 is characterized in that: The height of the platform is not more than 2m.

5. The construction method of the square anti-sliding pile reinforcement cage according to claim 1 is characterized in that: In step S4, before simultaneously lifting the two threading rods, the method further includes lifting the lifting frame to the top surface of the platform and allowing the lifting frame to be supported under the two threading rods again; and lifting the lifting frame by a crane to achieve simultaneous lifting of the two threading rods.

6. The construction method of the square anti-sliding pile reinforcement cage according to claim 1 is characterized in that: Before executing step S5, at least one positioning frame is installed on the top surface around the platform, each of which includes a positioning member located above the platform through cavity and two connecting members connected to the two ends of the positioning member, and the other ends of the two connecting members are connected to the top surface of the platform; all the positioning members jointly position the planar position of the steel cage when it is lowered.

7. The construction method of the square anti-sliding pile reinforcement cage according to claim 1 is characterized in that: The mountain-side main reinforcement module includes at least three mountain-side main reinforcement bundles connected in a row, each of which includes three vertically extending main reinforcements welded into a bundle; the mountain-back side main reinforcement module includes at least three mountain-back side main reinforcement bundles connected in a row, each of which includes two vertically extending main reinforcements welded into a bundle; the lateral main reinforcement module includes multiple vertically extending main reinforcements connected in a row.

8. The construction method of the square anti-sliding pile reinforcement cage according to claim 1 is characterized in that: The hanging frame includes a main frame body and a plurality of supporting members connected to the outside of both sides of the main frame body, wherein the supporting members have a supporting groove with an upper opening, and the size of the supporting groove is adapted to the outer diameter of the through rod; a plurality of lifting ears are arranged on the top surface of the main frame body.

9. The construction method of the square anti-sliding pile reinforcement cage according to claim 1 is characterized in that: The stand includes a main frame and a first side frame; the main frame is in a U-shape, one side of which is an open end; the first side frame is detachably connected to the open end of the main frame; the main frame includes a second side frame arranged opposite to the first side frame, and four side frames connected between the second side frame and the first side frame; a reinforcement frame is connected between two adjacent side frames above and below.

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