A composite mixing pile construction support structure
By pouring mixing piles at the periphery of the foundation pit, and combining the side barrier structure, anchor pull structure, connection structure and positioning structure, the problem of mixing piles being extruded in deep foundation pits is solved, and the space occupied by foundation pits is reduced, achieving a more efficient and safe construction effect.
Patent Information
- Application Number
- CN202420794566.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-17
AI Technical Summary
When the foundation pit depth increases, the existing mixing pile support structure is prone to inclination due to soil extrusion, and the support structure occupies a large amount of construction space for the foundation pit, which affects the construction efficiency.
The composite mixing pile construction support structure is adopted, including mixing piles, side barrier structures, anchor pulling structures, connecting structures and positioning structures. By pouring the mixing piles at the periphery of the foundation pit, the side barrier structure and anchor pull structure are used to enhance the anti-tilt ability of the mixing piles, and the connecting structure and positioning structure are used to reduce the occupation of the foundation pit space.
It effectively enhances the stability of the composite mixing pile, reduces the occupation of foundation pit space by the support structure, and improves construction efficiency and safety.
Smart Images
Figure CN222700994U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mixing pile support, in particular to a composite mixing pile construction support structure. Background Art
[0002] In order to protect the safety of underground main structure construction and the surrounding environment of foundation pit, temporary support of foundation pit is often required. According to the excavation depth of foundation pit, geological conditions and surrounding environmental conditions, the forms of foundation pit support include slope excavation, composite soil nail wall, cement soil mixing pile retaining wall and pile row support. Composite mixing piles are often used in the construction industry in daily construction. When overlapping mixing piles, construction workers often use support structures to assist in the fixation of composite mixing piles.
[0003] Some existing mixing pile support structures are to set a row of mixing piles around the foundation pit, which can prevent the collapse of the soil around the foundation pit on the one hand, and prevent water from seeping into the pit from the pit wall on the other hand; however, the deeper the foundation pit, the greater the thrust of the soil close to the bottom of the foundation pit on the mixing piles, which can easily cause the mixing piles to be squeezed and tilted. In order to enhance the anti-tilting ability of the cement soil mixing piles, supporting beams or supporting members are usually added in the pit, so that the two ends of the supporting beams are respectively abutted against the cement soil mixing piles on the opposite sides, but the supporting members often occupy the construction area of the foundation pit, and there is a defect of reducing the construction space.
[0004] Therefore, it is necessary to provide a new composite mixing pile construction support structure to solve the above technical problems. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a composite mixing pile construction support structure which is convenient for strengthening the stability of the composite mixing pile support structure and reducing the area of foundation pit space occupied by the support structure.
[0006] The composite mixing pile construction support structure provided by the utility model comprises: a mixing pile; a foundation pit, wherein the mixing pile is cast on the inner side wall of the foundation pit; a side retaining structure, wherein the side retaining structure is clamped on the outer side wall of the mixing pile, wherein the side retaining structure comprises a baffle, a limiting groove and a through hole, wherein the limiting groove fixed by the baffle through the side wall is clamped on the outer side wall of the mixing pile, and the through holes are equidistantly arranged on the side wall of the baffle; an anchoring structure, wherein the anchoring structure penetrates the side wall of the baffle, wherein the anchoring structure comprises a cushion block, a fixing member, an anchor rod and a first concrete layer, wherein the cushion block abuts against the baffle. Side wall, the anchor rod passes through the side wall of the plate, the fixing piece is threadedly connected to the side wall at one end of the anchor rod, and the first concrete layer is fixed to the side wall at the other end of the anchor rod; a protrusion, the protrusion is fixed to the center position of the top surface of the mixing pile; a connecting structure, the connecting structure is sleeved on the side wall of the protrusion; a positioning structure, the positioning structure is installed at one end of the connecting structure, the positioning structure includes a positioning plate, a pull rod and a fixing bolt, the pull rod is installed at one end of the connecting structure, and the positioning plate is vertically cross-fixed to the other end of the pull rod by the fixing bolt.
[0007] Preferably, the connection structure further comprises a collar, a connecting plate and a clamping block, the collar is sleeved on the side wall of the protrusion, the connecting plate is transversely fixed to the side walls at both ends of the collar, and the clamping block abuts against the bottom surface of the connecting plate.
[0008] Preferably, one end of the connecting plate is fixedly connected to one end of the pull rod via the fixing bolt, and the other connecting plate is fixedly connected to the top surface of the baffle via the fixing bolt, and the clamping block is clamped between the baffle and the connecting plate.
[0009] Preferably, the positioning structure also includes a fixing pin, a threaded pipe and a second concrete layer, the fixing pin passes through the surface of the positioning plate, the threaded pipe is threadedly connected to the side wall of the bottom end of the fixing pin, and the second concrete layer is fixed to the side wall of the threaded pipe.
[0010] Preferably, the length of the positioning plate is the same as the length of the positioning plate, and the bottom end of the second concrete layer and the bottom end of the first concrete layer are fixedly connected together, and the top surface of the second concrete layer is flush with the top surface of the mixing pile.
[0011] Preferably, the threaded pipe is pre-buried inside the second concrete layer, and the top surface of the threaded pipe is flush with the top surface of the second concrete layer, and the positioning plate is fixed to the top surface of the second concrete layer by the fixing pin.
[0012] Preferably, the cushion block abuts against the side wall of the baffle at the location of the through hole, and the cushion block closes the opening at one end of the through hole, and the anchor rod is inclined downward at a certain angle from right to left.
[0013] Compared with the related art, the composite mixing pile construction support structure provided by the utility model has the following beneficial effects:
[0014] The utility model provides a composite mixing pile construction support structure, wherein the mixing piles are poured at equal intervals on the periphery of the foundation pit so that the mixing piles can support the soil layer on the periphery of the foundation pit to prevent collapse. In order to prevent the mixing piles from tilting due to soil layer extrusion, the side retaining structure is clamped on the side wall of the mixing pile, and all the mixing piles in the same row are connected together. Then, holes are punched toward the outer soil layer through the through holes provided on the side walls of the side retaining structure, and the holes are punched downward at a certain angle, and the holes are just between two mixing piles. Then, the anchoring structure is put into the inside of the hole through the through holes, and is fixed to the side wall of the side retaining structure after concrete is poured. After the concrete is solidified, the side retaining structure will be pulled by the anchoring structure, so that the mixing piles will not tilt toward the inside of the foundation pit. In order to enhance the stability of the mixing piles, holes are punched in the upward direction through the position of the bottom end of the anchoring structure so that the two holes The hole forms a triangle shape with the ground, and then concrete is poured. At the same time, the threaded pipe is embedded in the vertical hole. After solidification, the second concrete layer is formed. One end of the two concrete layers is fixedly connected together, and then the connecting structure is inserted into the protrusion fixed on the top of the mixing pile. The position of the connecting structure is adjusted so that one end of the connecting structure is fixedly connected to the baffle structure through the fixing bolt, and the other end of the connecting structure is connected to the positioning structure through the fixing bolt, and the positioning structure is fixed to the position of the second concrete layer through the fixing pin. The mixing pile, the side retaining structure, the anchor structure and the positioning structure are fixedly connected together, thereby enhancing the stability of the mixing pile and greatly reducing the occupation of the internal space of the foundation pit. This structure has the advantages of facilitating the strengthening of the stability of the composite mixing pile support structure and reducing the area of the foundation pit space occupied by the support structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A structural schematic diagram of a preferred embodiment of the composite mixing pile construction support structure provided by the utility model;
[0016] Figure 2 for Figure 1 The schematic structural diagram of the overall side cross-section shown;
[0017] Figure 3 for Figure 2A schematic structural diagram of a cross-section of the connection structure shown;
[0018] Figure 4 for Figure 2 The enlarged structural diagram of part A is shown.
[0019] Numbers in the figure: 1. mixing pile, 2. side retaining structure, 21. baffle, 22. limiting groove, 23. through hole, 3. anchor structure, 31. pad, 32. fixing part, 33. anchor rod, 34. first concrete layer, 4. connecting structure, 41. collar, 42. connecting plate, 43. clamping block, 5. positioning structure, 51. positioning plate, 52. pull rod, 53. fixing pin, 54. fixing bolt, 55. threaded pipe, 56. second concrete layer, 6. protrusion, 7. foundation pit. DETAILED DESCRIPTION
[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0021] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in Figure 1 A structural schematic diagram of a preferred embodiment of the composite mixing pile construction support structure provided by the utility model; Figure 2 for Figure 1 The schematic structural diagram of the overall side cross-section shown; Figure 3 for Figure 2 A schematic structural diagram of a cross-section of the connection structure shown; Figure 4 for Figure 2The enlarged structural diagram of part A shown in the figure, the composite mixing pile construction support structure includes: a mixing pile 1; a foundation pit 7, the mixing pile 1 is cast on the inner wall of the foundation pit 7; a side retaining structure 2, the side retaining structure 2 is clamped on the outer wall of the mixing pile 1, the side retaining structure 2 includes a baffle 21, a limiting groove 22 and a through hole 23, the baffle 21 is fixed to the outer wall of the mixing pile 1 through the limiting groove 22 fixed by the side wall, and the through hole 23 is equidistantly arranged on the side wall of the baffle 21; an anchoring structure 3, the anchoring structure 3 passes through the side wall of the baffle 21, the anchoring structure 3 includes a pad 31, a fixing member 32, an anchor rod 33 and a first concrete layer 34, the pad 31 is in contact with the The side wall of the baffle 21, the anchor rod 33 passes through the side wall of the plate, the fixing piece 32 is threadedly connected to the side wall of one end of the anchor rod 33, and the first concrete layer 34 is fixed to the side wall of the other end of the anchor rod 33; the protrusion 6, the protrusion 6 is fixed to the center position of the top surface of the mixing pile 1; the connecting structure 4, the connecting structure 4 is sleeved on the side wall of the protrusion 6; the positioning structure 5, the positioning structure 5 is installed at one end of the connecting structure 4, the positioning structure 5 includes a positioning plate 51, a pull rod 52 and a fixing bolt 54, the pull rod 52 is installed at one end of the connecting structure 4, and the positioning plate 51 is vertically cross-fixed to the other end of the pull rod 52 by the fixing bolt 54.
[0022] In the specific implementation process, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the connecting structure 4 also includes a ring 41, a connecting plate 42 and a clamping block 43, the ring 41 is sleeved on the side wall of the protrusion 6, the connecting plate 42 is transversely fixed to the side walls at both ends of the ring 41, and the clamping block 43 abuts against the bottom surface of the connecting plate 42; one end of the connecting plate 42 is fixedly connected to one end of the pull rod 52 by the fixing bolt 54, and the other connecting plate 42 is fixedly connected to the top surface of the baffle 21 by the fixing bolt 54, and the clamping block 43 is clamped between the baffle 21 and the connecting plate 42.
[0023] The collar 41 is conveniently put on the protrusion 6 to locate the collar 41, and secondly, the connecting plate 42 can be connected to the pull rod 52 and the baffle 21 respectively to form a whole, thereby enhancing the stability of the whole.
[0024] In the specific implementation process, Figure 1 and Figure 2As shown, the positioning structure 5 also includes a fixing pin 53, a threaded tube 55 and a second concrete layer 56, the fixing pin 53 passes through the surface of the positioning plate 51, the threaded tube 55 is threadedly connected to the side wall of the bottom end of the fixing pin 53, and the second concrete layer 56 is fixed to the side wall of the threaded tube 55; the length of the positioning plate 51 is the same as the length of the positioning plate 51, and the bottom end of the second concrete layer 56 and the bottom end of the first concrete layer 34 are fixedly connected together, and the top surface of the second concrete layer 56 is flush with the top surface of the mixing pile 1; the threaded tube 55 is pre-buried in the interior of the second concrete layer 56, and the top surface of the threaded tube 55 is flush with the top surface of the second concrete layer 56, and the positioning plate 51 is fixed to the top surface of the second concrete layer 56 by the fixing pin 53.
[0025] It is convenient to cast the second concrete layer 56 and one end of the first concrete layer 34 together in advance, and when casting the second concrete layer 56, the threaded pipe 55 will be embedded in advance during the casting, and the position of the positioning plate 51 is fixed by threading the fixing pin 53 and the threaded pipe 55.
[0026] In the specific implementation process, Figure 2 and Figure 4 As shown, the cushion block 31 abuts against the side wall of the baffle 21 where the through hole 23 is located, and the cushion block 31 closes the opening at one end of the through hole 23, and the anchor rod 33 is inclined downward at a certain angle from right to left.
[0027] The baffle 21 is used to limit the position of the cushion block 31 so that the anchor rod 33 can be embedded in the soil layer at a certain angle through the cushion block 31. Under the fixation of the fixing member 32, the position of the anchor rod 33 is fixed.
[0028] The working principle of the composite mixing pile construction support structure provided by the utility model is as follows:
[0029] When in use, firstly, the inner wall of the foundation pit 7 is fitted to the pouring of the mixing pile 1, so that the mixing pile 1 surrounds the outer supporting soil layer of the foundation pit 7, and the top surface of the mixing is poured with the protrusion 6, and then the baffle 21 is clamped on the side wall of the mixing pile 1 through the limiting groove 22, so that the top surface of the baffle 21 is flush with the top surface of the mixing pile 1, and then the through hole 23 provided on the side wall of the baffle 21 is used to drill a hole at a certain angle downward to the outer soil layer, and then through the deepest position of the hole, a hole is drilled from top to bottom in the ground to make it connected with the bottom end of the previous hole, and then the anchor rod 33 is inserted into the inside of the hole through the through hole 23, and the anchor rod 33 is located in the middle of the hole. The center position is set, and then concrete is poured into the two holes. After the concrete around the anchor rod 33 solidifies, the first concrete layer 34 is formed, and the anchor rod 33 is firmly fixed inside the soil layer. While the concrete is poured in the vertical hole, the threaded pipe 55 is pre-buried so that the top surface of the threaded pipe 55 is level with the ground. After solidification, the second concrete layer 56 is formed, and one end of the first concrete layer and the second concrete layer 56 are fixedly connected together. Then, the pad block 31 corresponding to its inclination angle is inserted from one end of the anchor rod 33 so that it contacts the side wall of the baffle 21, and it is fixed to the side wall of the baffle 21 through the fixing member 32, and then the baffle 2 is fixed through the anchor rod 33. 1 is tightly fixed on the side wall of the mixing pile 1, so that the baffle 21 cooperates with the anchor rod 33 to limit the mixing pile 1, and then the collar 41 is sleeved on the side wall of the protrusion 6, and then the angle of the collar 41 is adjusted so that the connecting plate 42 fixed on the side wall is horizontal and vertical to the baffle 21, and then one end of the connecting plate 42 is connected to the baffle 21 through the fixing bolt 54, and the gap between them is supported by the clamping block 43 to keep it stable, and then the pull rod 52 is fixedly connected to the connecting plate 42 at the other end through the fixing bolt 54, and then the positioning plate 51 is placed according to the position of the second concrete layer 56, and through the The fixing pin 53 passes through the positioning plate 51 and is threadedly connected with the threaded tube 55 to fix the position of the positioning plate 51, and then the other end of the pull rod 52 is vertically crossed with the positioning plate 51, and the other end of the pull rod 52 is fixed to the positioning plate 51 by the fixing bolt 54, so that the position of the pull rod 52 is fixed, and then the baffle 21, the mixing pile 1 and the positioning plate 51 are connected together by the pull rod 52, thereby strengthening the fixation of the mixing pile 1, making the position of the mixing pile 1 more stable, and will not occupy a large amount of space inside the foundation pit 7. This structure has the advantages of facilitating the strengthening of the stability of the composite mixing pile support structure and reducing the area of the foundation pit space occupied by the support structure.
[0030] Compared with the related art, the composite mixing pile construction support structure provided by the utility model has the following beneficial effects:
[0031] The utility model provides a composite mixing pile construction support structure, by pouring the mixing piles 1 at equal intervals on the periphery of the foundation pit 7, the mixing piles 1 can support the soil layer on the periphery of the foundation pit 7 to prevent collapse, in order to prevent the mixing piles 1 from tilting due to soil layer extrusion, the side retaining structure 2 is clamped on the side wall of the mixing pile 1, all the mixing piles 1 in the same row are connected together, and then the through holes 23 provided on the side walls of the side retaining structure 2 are used to punch holes toward the outer soil layer, and the holes are punched at a certain angle and downward, and the holes are just between the two mixing piles 1, and then the anchoring structure 3 is put into the inside of the hole through the through holes 23, and after pouring concrete, it is fixed on the side wall of the side retaining structure 2, and after the concrete is solidified, the side retaining structure 2 will be pulled by the anchoring structure 3, so that the mixing pile 1 will not tilt toward the inside of the foundation pit 7, and in order to enhance the stability of the mixing pile 1, holes are punched in the upward direction through the position of the bottom end of the anchoring structure 3, so that the two holes are close to the ground The shape of a supporting triangle is formed, and then concrete is poured. At the same time, the threaded pipe 55 is pre-buried inside the vertical hole. After solidification, the second concrete layer 56 is formed. One end of the two concrete layers is fixedly connected together, and then the connecting structure 4 is inserted into the protrusion 6 fixed on the top of the mixing pile 1. The position of the connecting structure 4 is adjusted so that one end of the connecting structure 4 is fixedly connected to the baffle 21 structure through the fixing bolt 54, and the other end of the connecting structure 4 is connected to the positioning structure 5 through the fixing bolt 54, and the positioning structure 5 is fixed to the position of the second concrete layer 56 through the fixing pin 53. The mixing pile 1, the side retaining structure 2, the anchor structure 3 and the positioning structure 5 are fixedly connected together, thereby enhancing the stability of the mixing pile 1 and greatly reducing the occupation of the internal space of the foundation pit 7. This structure has the advantages of facilitating the strengthening of the stability of the supporting structure of the composite mixing pile 1 and reducing the space area of the foundation pit 7 occupied by the supporting structure.
[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A composite mixing pile construction support structure, characterized in that: include: Mixing pile (1); A foundation pit (7), wherein the mixing pile (1) is cast on the inner wall of the foundation pit (7); A side retaining structure (2), the side retaining structure (2) being clamped on the outer wall of the mixing pile (1), the side retaining structure (2) comprising a baffle (21), a limiting groove (22) and a through hole (23), the baffle (21) being clamped on the outer wall of the mixing pile (1) via the limiting groove (22) fixed on the side wall, and the through hole (23) being equidistantly arranged on the side wall of the baffle (21); An anchor structure (3), the anchor structure (3) passing through the side wall of the baffle (21), the anchor structure (3) comprising a cushion block (31), a fixing member (32), an anchor rod (33) and a first concrete layer (34), the cushion block (31) abutting against the side wall of the baffle (21), the anchor rod (33) passing through the side wall of the plate, the fixing member (32) being threadedly connected to the side wall at one end of the anchor rod (33), and the first concrete layer (34) being fixed to the side wall at the other end of the anchor rod (33); A convex block (6), wherein the convex block (6) is fixed at a central position of a top surface of the stirring pile (1); A connecting structure (4), wherein the connecting structure (4) is sleeved on a side wall of the protrusion (6); A positioning structure (5), the positioning structure (5) being mounted on one end of the connecting structure (4), the positioning structure (5) comprising a positioning plate (51), a pull rod (52) and a fixing bolt (54), the pull rod (52) being mounted on one end of the connecting structure (4), and the positioning plate (51) being vertically cross-fixed to the other end of the pull rod (52) by means of the fixing bolt (54).
2. The composite mixing pile construction support structure according to claim 1 is characterized in that: The connection structure (4) further comprises a collar (41), a connecting plate (42) and a clamping block (43); the collar (41) is sleeved on the side wall of the protrusion (6); the connecting plate (42) is transversely fixed to the side walls at both ends of the collar (41); and the clamping block (43) abuts against the bottom surface of the connecting plate (42).
3. The composite mixing pile construction support structure according to claim 2 is characterized in that: One end of the connecting plate (42) is fixedly connected to one end of the pull rod (52) via the fixing bolt (54), and the other connecting plate (42) is fixedly connected to the top surface of the baffle (21) via the fixing bolt (54), and the clamping block (43) is clamped between the baffle (21) and the connecting plate (42).
4. The composite mixing pile construction support structure according to claim 1, characterized in that: The positioning structure (5) further comprises a fixing pin (53), a threaded tube (55) and a second concrete layer (56); the fixing pin (53) penetrates the surface of the positioning plate (51); the threaded tube (55) is threadedly connected to the side wall of the bottom end of the fixing pin (53); and the second concrete layer (56) is fixed to the side wall of the threaded tube (55).
5. The composite mixing pile construction support structure according to claim 4 is characterized in that: The length of the positioning plate (51) is the same as that of the positioning plate (51), and the bottom end of the second concrete layer (56) and the bottom end of the first concrete layer (34) are fixedly connected together, and the top surface of the second concrete layer (56) is flush with the top surface of the mixing pile (1).
6. The composite mixing pile construction support structure according to claim 4, characterized in that: The threaded tube (55) is pre-buried inside the second concrete layer (56), and the top surface of the threaded tube (55) is flush with the top surface of the second concrete layer (56), and the positioning plate (51) is fixed to the top surface of the second concrete layer (56) via the fixing pin (53).
7. The composite mixing pile construction support structure according to claim 1, characterized in that: The cushion block (31) contacts the side wall of the baffle (21) at the location of the through hole (23), and the cushion block (31) closes the opening at one end of the through hole (23), and the anchor rod (33) is inclined downward at a certain angle from right to left.