CN112095620A - Foundation pit supporting structure and construction method thereof - Google Patents
Foundation pit supporting structure and construction method thereof Download PDFInfo
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- CN112095620A CN112095620A CN202010979855.9A CN202010979855A CN112095620A CN 112095620 A CN112095620 A CN 112095620A CN 202010979855 A CN202010979855 A CN 202010979855A CN 112095620 A CN112095620 A CN 112095620A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
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Abstract
The utility model relates to a foundation pit supporting structure and a construction method thereof, comprising a plurality of supporting components, wherein each supporting component comprises a bottom plate, a guard plate, a top plate and a supporting component, the bottom plate is fixedly arranged at the bottom of a foundation pit through a preset fixing column, one side of the bottom plate close to the side wall of the foundation pit is provided with a plurality of inserting plates, the inserting plates are inserted into the side wall of the foundation pit, one side of the guard plate close to the bottom of the foundation pit is provided with a plurality of inserting rods, the inserting rods pass through preset avoiding holes of the bottom plate and are inserted into the bottom of the foundation pit, one side of the guard plate far away from the bottom of the foundation pit is; each plugboard is provided with a first through hole, the top plate is provided with a second through hole which is coaxial with the first through hole, and a fixing pile is arranged between the first through hole and the second through hole which are coaxial; the supporting component is connected between the bottom plate and the guard plate. The construction process can be continuous, the construction period of the foundation pit is effectively shortened, and the construction cost is reduced.
Description
Technical Field
The application relates to the technical field of foundation pit engineering, in particular to a foundation pit supporting structure and a construction method thereof.
Background
The foundation pit inevitably causes deformation of surrounding soil bodies in the excavation process, influences surrounding buildings and underground pipelines, and seriously endangers normal use or safety of the foundation pit. The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit.
The existing foundation pit supporting process generally adopts cast-in-situ bored piles, and horizontal reinforced concrete supports are arranged in pits to improve the rigidity and stability of a foundation pit enclosure structure, well control the deformation of the foundation pit and greatly reduce foundation pit accidents.
Aiming at the related technologies, the inventor thinks that the cast-in-place pile drilling mode needs to wait for the solidification forming and maintenance of the cast-in-place pile during construction, so that the construction of a foundation pit supporting structure cannot be continuously carried out, the construction period is prolonged, and the construction cost is increased; therefore, further improvements can be made.
Disclosure of Invention
In order to shorten the construction period of foundation ditch to reduce engineering cost, this application provides a foundation ditch supporting construction.
In a first aspect, the present application provides a foundation pit supporting structure, which adopts the following technical scheme:
a foundation pit supporting structure comprises a plurality of supporting components arranged at intervals along the extension direction of a foundation pit, wherein each supporting component comprises a bottom plate attached to the bottom of the foundation pit, a protective plate attached to the side wall of the foundation pit, a top plate attached to the ground around the foundation pit and a supporting component, the bottom plate is fixedly arranged at the bottom of the foundation pit through a preset fixing column, a plurality of inserting plates are integrally formed on one side, close to the side wall of the foundation pit, of the bottom plate and are inserted into the side wall of the foundation pit, a plurality of inserting rods are integrally formed on one side, close to the bottom of the foundation pit, of the protective plate, the inserting rods penetrate through preset avoiding holes of the bottom plate and are inserted into the bottom of the foundation pit, a plurality of clamping plates are integrally formed on one side, far away from the bottom of the foundation pit, of the protective plate; each plug board is provided with a first through hole, the top board is provided with a second through hole which is coaxial with the first through hole, and a fixing pile is arranged between the first through hole and the second through hole which are coaxial; the supporting component is connected between the bottom plate and the guard plate.
Through adopting above-mentioned technical scheme, the spud pile can be taut through the roof to the one side that the backplate kept away from the foundation ditch bottom, the spud pile can be taut through one side that the plugboard is close to the foundation ditch bottom to the backplate, the bottom plate can support tightly one side that the backplate is close to the foundation ditch bottom through the effort of fixed column, and the bottom plate passes through supporting component and forms certain supporting role to the backplate, make the backplate hug closely on the foundation ditch lateral wall, in order to consolidate the protection to the foundation ditch lateral wall, in order to guarantee the security of underground structure construction and foundation ditch all ring edge borders, and simultaneously, every part in the supporting structure of foundation ditch is the prefab, the work progress can be incessant in succession, thereby can effectively.
Optionally, still include a plurality of backup tubes that set up on the backplate, wherein, every a plurality of infiltration holes have all been seted up to backup tube lateral wall, every a backup tube one end homogeneous body shaping has a conical head, and integrated into one piece has a plurality of joint pieces along its axle center evenly distributed on the lateral wall of the other end, the backplate is seted up and is strutted the pipe and inlay the mounting hole of dress adaptation mutually, every the mounting hole lateral wall all is seted up and is equaled, just along mounting hole axle center evenly distributed's joint groove with joint piece quantity.
Through adopting above-mentioned technical scheme, moisture in the lateral wall of foundation ditch can see through the infiltration hole and flow into in the support pipe to by strutting the pipe inflow foundation ditch, make the moisture of lateral wall of foundation ditch reduce, reach the purpose of consolidating the lateral wall of foundation ditch, and reduced the pressure of lateral wall of foundation ditch to the backplate.
Optionally, an auxiliary baffle is arranged between every two adjacent guard plates, each auxiliary baffle comprises a baffle body and two baffle flanks, wherein the baffle body is embedded between the two adjacent guard plates, the two baffle flanks are respectively integrally formed on two sides of the baffle body, and the two baffle flanks are respectively abutted against the front faces of the two adjacent guard plates; the baffle body is connected with a plurality of supporting rods which are arranged at intervals along the length direction of the baffle body, and each supporting rod is inserted into the side wall of the foundation pit.
Through adopting above-mentioned technical scheme, the baffle body tiling is laminated on the foundation ditch lateral wall between two adjacent backplate under the take-up of bracing piece to consolidate the protection to the foundation ditch lateral wall of this part, and make two baffle flanks respectively with the front looks butt of two adjacent backplate, in order to be used for compressing tightly the backplate, make the backplate hug closely on the foundation ditch lateral wall more firmly.
Optionally, each of the support rods includes a rod body, an expansion head integrally formed at one end of the rod body, a movable sleeve sleeved outside the rod body, and a locking nut, wherein the movable sleeve is integrally formed at one end close to the expansion head with a plurality of expansion pieces, and an external thread adapted to be connected with the locking nut is arranged on the outer circumferential surface of one end of the rod body away from the expansion head; and a third through hole for the expansion head to pass through and limiting the locking nut to pass through is formed in the baffle body.
Through adopting above-mentioned technical scheme, the inflation head, the body of rod, movable sleeve and inflation piece can run through the third through-hole and insert to the foundation ditch lateral wall, at this moment, make it promote movable sleeve to remove through rotating lock nut for the inflation piece receives the extrusion of inflation head and outwards expands and open, makes the fender rod can the chucking at the foundation ditch lateral wall, because lock nut can't pass the third through-hole, lock nut and baffle body looks butt, in order to realize the taut effect to the baffle body.
Optionally, each of the support assemblies includes a first fixed block arranged perpendicular to the guard plate, a second fixed block arranged perpendicular to the base plate, a connecting block, and a support block, wherein one end of the first fixed block close to the guard plate is integrally formed at the bottom end of the second fixed block, the first fixed block is fixedly arranged on the top surface of the base plate, the second fixed block is fixedly arranged on the front surface of the guard plate, one end of the first fixed block far away from the guard plate is connected with the top end of the second fixed block through the connecting block, one end of the support block is connected with the middle of the connecting block, and the other end of the support block is connected to the joint of the first fixed.
Through adopting above-mentioned technical scheme, first fixed block, second fixed block and connecting block can form a right angle triangle-shaped structure jointly to realize the supporting role of supporting component to the backplate, the supporting shoe can make the right angle triangle-shaped structure that is formed jointly by first fixed block, second fixed block and connecting block more stable, with the supporting role of increase supporting component to the backplate.
Optionally, an anchor rod is arranged between every two adjacent bottom plates, a pressing plate is integrally formed on two opposite sides of the top of each anchor rod, the anchor rods are inserted into the bottom of the foundation pit, and the two pressing plates are respectively abutted to the front surfaces of the two bottom plates.
Through adopting above-mentioned technical scheme, when the stock inserted to the foundation ditch bottom, two clamp plates can respectively with two bottom plate looks butt for the bottom plate can hug closely in the foundation ditch bottom more firmly.
Optionally, a plurality of barbs are arranged on the outer circumferential surface of each anchor rod.
Through adopting above-mentioned technical scheme, the barb can make the stock be difficult for extracting at the foundation ditch bottom, increases the stability and the reliability of stock.
Optionally, each roof bottom surface homogeneous body shaping has a plurality of spacing sand grips.
Through adopting above-mentioned technical scheme, when the roof tiling laminate in the peripheral subaerial of foundation ditch, spacing sand grip inserts to the peripheral ground of foundation ditch, is favorable to the roof to keep away from one side of foundation ditch bottom to the backplate and strains.
In a second aspect, the application provides a construction method of a foundation pit supporting structure, which adopts the following technical scheme:
a construction method of a foundation pit supporting structure comprises the following steps:
s1, excavating a foundation pit: excavating a foundation pit through equipment such as an excavator and the like, and repairing and leveling the bottom of the foundation pit and the side wall of the foundation pit through auxiliary equipment or manpower so that the bottom of the foundation pit and the side wall of the foundation pit are arranged vertically;
s2, mounting a bottom plate: the base plate is tiled at the bottom of the foundation pit, the inserting plate integrally formed on the base plate is inserted into the side wall of the foundation pit, and the base plate is fixed at the bottom of the foundation pit through the fixing column;
s3, mounting a guard plate: the guard plate is attached to the side wall of the foundation pit, and the inserting rod integrally formed on the guard plate penetrates through a preset avoidance hole of the bottom plate and then is inserted into the bottom of the foundation pit;
s4, installing a top plate: the top plate is flatly laid on the ground at the periphery of the foundation pit, and the clamping and connecting plate integrally formed on the protective plate is clamped and connected with the through groove preset on the top plate;
s5, mounting a support assembly: the first fixing block of the supporting assembly is locked on the top surface of the bottom plate through a bolt, and the second fixing block of the supporting assembly is locked on the front surface of the guard plate through a bolt;
s6, mounting the fixing pile: adjusting the fixing pile to be in a vertical state, inserting the fixing pile into the ground around the foundation pit after the fixing pile penetrates through the second through hole of the top plate, and penetrating the fixing pile through the first through hole of the inserting plate;
s7, mounting a support pipe: the supporting pipe penetrates through the mounting hole of the guard plate and then is inserted into the side wall of the foundation pit;
s8, mounting an auxiliary baffle: the auxiliary baffle is attached to the side wall of the foundation pit between two adjacent guard plates, and the support rod penetrates through the third through hole of the auxiliary baffle and then is inserted into the side wall of the foundation pit so as to lock and attach the auxiliary baffle to the side wall of the foundation pit.
By adopting the technical scheme, each part related in the foundation pit supporting structure is the prefabricated part, so that the construction process can be continuous, the construction period of the foundation pit can be effectively shortened, and the construction cost is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. each part in the foundation pit supporting structure is a prefabricated part, and the construction process can be continuous, so that the construction period of the foundation pit can be effectively shortened, and the construction cost is reduced;
2. the fixing pile can tighten one side, far away from the bottom of the foundation pit, of the protection plate through the top plate, the fixing pile can tighten one side, close to the bottom of the foundation pit, of the protection plate through the insertion plate, the bottom plate can tightly support one side, close to the bottom of the foundation pit, of the protection plate through the acting force of the fixing column, and the bottom plate forms a certain supporting effect on the protection plate through the supporting assembly, so that the protection plate is tightly attached to the side wall of the foundation pit, the side wall of the foundation pit is reinforced and protected, and the safety of underground structure construction;
3. moisture in the lateral wall of the foundation pit can penetrate through the seepage holes to flow into the supporting pipe and enter the foundation pit through the supporting pipe, so that the moisture of the lateral wall of the foundation pit is reduced, the purpose of reinforcing the lateral wall of the foundation pit is achieved, and the pressure of the lateral wall of the foundation pit to the protection plate is reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a cross-sectional view of an embodiment of the present application.
Fig. 3 is a schematic diagram of an explosive structure according to an embodiment of the present application.
Fig. 4 is an enlarged view of a in fig. 3.
Fig. 5 is a schematic view of the connection structure of the auxiliary baffle and the supporting rod in the embodiment of the application.
Description of reference numerals: 1. a base plate; 11. a plugboard; 12. avoiding holes; 13. a first through hole; 14. fixing a column; 2. a guard plate; 21. a plug rod; 22. a clamping and connecting plate; 23. mounting holes; 24. a clamping groove; 3. a top plate; 31. a through groove; 32. a second through hole; 33. limiting convex strips; 4. a support assembly; 41. a first fixed block; 42. a second fixed block; 43. connecting blocks; 44. a support block; 45. a bolt; 5. fixing the pile; 6. a support tube; 61. a water seepage hole; 62. a conical head; 63. a clamping block; 7. an auxiliary baffle; 71. a baffle body; 72. a baffle flank; 73. a third through hole; 8. a support bar; 81. a rod body; 82. an expansion head; 83. a movable sleeve; 84. locking the nut; 85. an intumescent sheet; 9. an anchor rod; 91. pressing a plate; 92. a barb; 100. and (5) supporting the assembly.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a foundation ditch supporting construction.
Referring to fig. 1 and 2, the foundation pit supporting structure includes a plurality of supporting components 100, the supporting components 100 are arranged at equal intervals along the extending direction of the foundation pit, each supporting component 100 includes a bottom plate 1, a guard plate 2, a top plate 3 and a supporting component 4, wherein the bottom plate 1, the guard plate 2 and the top plate 3 are all rectangular plate-shaped structures, the bottom plate 1 is tiled and attached to the bottom of the foundation pit, insertion plates 11 in the rectangular plate-shaped structures are integrally formed at two ends of the bottom plate 1 near one side of the side wall of the foundation pit, a first through hole 13 is formed in the middle of each insertion plate 11, the insertion plates 11 are inserted into the side wall of the foundation pit, at this time, the bottom plate 1 is attached to the side wall of the foundation pit, a plurality of openings are formed in the bottom plate 1, a fixing column 14 is arranged in each opening, and after the bottom plate 1 completes the above operation, so as to limit the horizontal displacement of the bottom plate 1 and prevent the insertion plate 11 from being separated from the side wall of the foundation pit.
Two second through holes 32 are formed in the top plate 3, after the operation is completed, the axes of the two second through holes 32 are respectively overlapped with the axes of the two first through holes 13, and a fixing pile 5 is arranged between the first through holes 13 and the second through holes 32, wherein the axes of the two second through holes 32 are overlapped with each other, namely, the fixing pile 5 is firstly adjusted to be in a vertical state, the fixing pile 5 penetrates through the second through holes 32 of the top plate 3 and then is inserted into the ground around the foundation pit, and the fixing pile 5 penetrates through the first through holes 13 which are coaxially arranged with the second through holes 32.
The supporting component 4 is connected between the bottom plate 1 and the backplate 2, the supporting component 4 can form the supporting role to the backplate 2, specifically, the supporting component 4 includes first fixed block 41, the second fixed block 42, connecting block 43 and supporting shoe 44, wherein, first fixed block 41 is arranged perpendicularly mutually with the backplate 2, the second fixed block 42 is arranged perpendicularly mutually with the bottom plate 1, and first fixed block 41 is close to the one end integrated into one piece of backplate 2 in second fixed block 42 bottom, the one end of connecting block 43 is connected fixedly with the one end that backplate 2 was kept away from to first fixed block 41, the other end is connected fixedly with the top of second fixed block 42, make first fixed block 41, second fixed block 42 and connecting block 43 form a right angle triangle-shaped structure jointly. The first fixing block 41 is fixedly arranged on the top surface of the bottom plate 1 through a preset bolt 45, and the second fixing block 42 is fixedly arranged on the front surface of the protection plate 2 through a preset bolt 45, so that the support effect of the support component 4 on the protection plate 2 is realized. The one end of supporting shoe 44 is connected with the middle part of connecting block 43, and other end fixed connection is in the junction of first fixed block 41 and second fixed block 42 for the common right triangle structure that forms of first fixed block 41, second fixed block 42 and connecting block 43 can be more stable, with the supporting role of increase supporting component 4 to backplate 2.
At this moment, spud pile 5 is taut through roof 3 to one side that backplate 2 kept away from the foundation ditch bottom, spud pile 5 is taut through plugboard 11 to one side that backplate 2 is close to the foundation ditch bottom, bottom plate 1 supports tightly through the effort of fixed column 14 to one side that backplate 2 is close to the foundation ditch bottom, and bottom plate 1 forms certain supporting role to backplate 2 through supporting component 4, make backplate 2 hug closely on the foundation ditch lateral wall, in order to consolidate the protection to the foundation ditch lateral wall, in order to guarantee the security of underground structure construction and foundation ditch all ring edge borders, and every part in the foundation ditch supporting structure is the prefab, the work progress can be incessant in succession, thereby can effectively shorten the construction period of foundation ditch, reduce engineering cost.
Referring to fig. 3 and 4, in the present embodiment, a plurality of supporting tubes 6 are further included, which are disposed on the protection plate 2, specifically, the supporting tubes 6 are hollow tubular structures, and a plurality of water seepage holes 61 are opened on the side walls of the supporting tubes 6, a conical head 62 is integrally formed on one end of each supporting tube 6, and two clamping blocks 63 are integrally formed on the side wall of the other end of each supporting tube 6 and are uniformly distributed along the axis of the supporting tube. The guard plate 2 is provided with a plurality of mounting holes 23, the inner contour of each mounting hole 23 is matched with the outer contour of any one supporting pipe 6, so that the supporting pipe 6 can penetrate through the mounting hole 23 and then be inserted into the side wall of the foundation pit, and the conical head 62 with the conical structure is convenient for the supporting pipe 6 to be inserted into the side wall of the foundation pit; two clamping grooves 24 capable of being matched with any one clamping block 63 in a clamping mode are formed in the side wall of each mounting hole 23, the two clamping grooves 24 are evenly distributed along the axis of the mounting hole 23, and when the supporting pipe 6 is inserted into the side wall of the foundation pit, the supporting pipe 6 is not prone to being separated from the side wall of the foundation pit and quits from the side wall of the foundation pit through the clamping matching of the clamping grooves 24 and the clamping blocks 63. At this time, moisture in the side wall of the foundation pit can flow into the supporting pipe 6 through the water seepage holes 61, and flows into the foundation pit through the supporting pipe 6, so that the moisture of the side wall of the foundation pit is reduced, the purpose of reinforcing the side wall of the foundation pit is achieved, and the pressure of the side wall of the foundation pit on the protection plate 2 is reduced.
Referring to fig. 1 and 5, since the supporting assemblies 100 are equidistantly arranged along the extending direction of the foundation pit so that a certain distance exists between two adjacent guard plates 2, in this embodiment, an auxiliary baffle 7 is disposed between each two adjacent guard plates 2, specifically, each auxiliary baffle 7 includes a baffle body 71 and two baffle flanks 72, wherein the baffle body 71 is embedded between two adjacent guard plates 2, the two baffle flanks 72 are respectively integrally formed on two sides of the baffle body 71, a plurality of supporting rods 8 are connected to the baffle body 71 and are arranged at intervals along the length direction thereof, and each supporting rod 8 is inserted into the sidewall of the foundation pit so as to tension the baffle body 71, so that the baffle body 71 is flatly laid on the sidewall of the foundation pit between two adjacent guard plates 2, so as to reinforce and protect the sidewall of the foundation pit of the portion, the two baffle side wings 72 are respectively abutted to the front surfaces of the two adjacent guard plates 2 so as to compress the guard plates 2, so that the guard plates 2 can be more firmly attached to the side wall of the foundation pit.
In this embodiment, each supporting rod 8 includes a rod body 81, an expansion head 82, a movable sleeve 83 and a locking nut 84, wherein the expansion head 82 is a circular truncated cone-shaped structure, one end of the expansion head 82 with a relatively smaller end surface is integrally formed at one end of the rod body 81, the movable sleeve 83 is sleeved outside the rod body 81, and a plurality of expansion pieces 85 uniformly distributed along the axis of the movable sleeve 83 are integrally formed at one end of the movable sleeve 83 close to the expansion head 82; the outer peripheral surface of the rod body 81 at one end far away from the expansion head 82 is provided with an external thread matched with the locking nut 84 in a connecting way; the baffle body 71 is provided with a third through hole 73, and the third through hole 73 can be used for the expansion head 82 to pass through and limit the locking nut 84 to pass through. When the expansion head 82, the rod body 81, the movable sleeve 83 and the expansion piece 85 penetrate through the third through hole 73 and are inserted into the side wall of the foundation pit, the movable sleeve 83 is pushed to move by rotating the locking nut 84, the expansion piece 85 is extruded by the expansion head 82 to expand outwards in the moving process of the movable sleeve 83, the supporting rod 8 can be clamped on the side wall of the foundation pit, at the moment, the locking nut 84 cannot penetrate through the third through hole 73, and the locking nut 84 abuts against the baffle body 71 to achieve the tensioning effect on the baffle body 71.
Referring to fig. 3, in this embodiment, an anchor rod 9 is disposed between every two adjacent bottom plates 1, a plurality of barbs 92 are disposed on the outer peripheral surface of each anchor rod 9, a pressing plate 91 is integrally formed on two opposite sides of the top of each anchor rod 9, and the anchor rods 9 are inserted into the bottom of the foundation pit from top to bottom, so that the two pressing plates 91 are respectively abutted to the front surfaces of the two bottom plates 1, and the bottom plates 1 can be more firmly attached to the bottom of the foundation pit.
In this embodiment, the shaping of the bottom surface unity of every roof 3 has a plurality of spacing sand grips 33, and when roof 3 tiling was laminated in the subaerial of foundation ditch periphery, spacing sand grip 33 inserted to the peripheral ground of foundation ditch, was favorable to roof 3 to be taut to the one side that foundation ditch bottom was kept away from to backplate 2.
The embodiment of the application also discloses a construction method of the foundation pit supporting structure.
Referring to fig. 3, the construction method of the foundation pit supporting structure includes the steps of:
s1, excavating a foundation pit: excavating a foundation pit through equipment such as an excavator and the like, and repairing and leveling the bottom of the foundation pit and the side wall of the foundation pit through auxiliary equipment or manpower so that the bottom of the foundation pit and the side wall of the foundation pit are arranged vertically;
s2, mounting a bottom plate: the base plate 1 is tiled at the bottom of the foundation pit, the inserting plate 11 integrally formed on the base plate 1 is inserted into the side wall of the foundation pit, and the base plate 1 is fixed at the bottom of the foundation pit through the fixing column 14;
s3, mounting a guard plate: the guard plate 2 is attached to the side wall of the foundation pit, and the inserting rod 21 integrally formed on the guard plate 2 penetrates through a preset avoidance hole 12 of the bottom plate 1 and then is inserted into the bottom of the foundation pit;
s4, installing a top plate: the top plate 3 is tiled on the ground around the foundation pit, and the clamping and connecting plate 22 integrally formed on the protective plate 2 is clamped with the through groove 31 preset on the top plate 3;
s5, mounting a support assembly: the first fixing block 41 of the supporting component 4 is locked on the top surface of the bottom plate 1 through a bolt 45, and the second fixing block 42 of the supporting component 4 is locked on the front surface of the guard plate 2 through a bolt 45;
s6, mounting the fixing pile: adjusting the fixing pile 5 to be in a vertical state, inserting the fixing pile 5 into the ground around the foundation pit after penetrating through the second through hole 32 of the top plate 3, and penetrating the fixing pile 5 through the first through hole 13 of the inserting plate 11;
s7, mounting a support pipe: the support pipe 6 penetrates through the mounting hole 23 of the guard plate 2 and then is inserted into the side wall of the foundation pit;
s8, mounting an auxiliary baffle: the auxiliary baffle 7 is attached to the side wall of the foundation pit between two adjacent guard plates 2, and the support rod 8 penetrates through the third through hole 73 of the auxiliary baffle 7 and then is inserted into the side wall of the foundation pit so as to lock and attach the auxiliary baffle 7 to the side wall of the foundation pit.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a foundation ditch supporting construction which characterized in that: the foundation pit supporting structure comprises a plurality of supporting components (100) which are arranged at intervals along the extension direction of a foundation pit, wherein each supporting component (100) comprises a bottom plate (1) which is attached to the bottom of the foundation pit, a protective plate (2) which is attached to the side wall of the foundation pit, a top plate (3) which is attached to the ground around the foundation pit and a supporting component (4), the bottom plate (1) is fixedly arranged at the bottom of the foundation pit through a preset fixing column (14), a plurality of inserting plates (11) are integrally formed on one side of the bottom plate (1) close to the side wall of the foundation pit, the inserting plates (11) are inserted into the side wall of the foundation pit, a plurality of inserting rods (21) are integrally formed on one side of the protective plate (2) close to the bottom of the foundation pit, the inserting rods (21) penetrate through preset avoiding holes (12) of the bottom plate (1) and are inserted into the bottom of the foundation pit, the clamping plate (22) is clamped with a through groove (31) preset on the top plate (3); each plug board (11) is provided with a first through hole (13), the top board (3) is provided with a second through hole (32) which is coaxial with the first through hole (13), and a fixing pile (5) penetrates between the first through hole (13) and the second through hole (32) which are coaxial; the supporting component (4) is connected between the bottom plate (1) and the guard plate (2).
2. A foundation pit supporting construction according to claim 1, wherein: still include a plurality of backup tubes (6) that set up on backplate (2), wherein, every a plurality of infiltration holes (61), every have all been seted up to backup tube (6) lateral wall a homogeneous body shaping of backup tube (6) one end has a conical head (62), and integrated into one piece has a plurality of joint pieces (63) along its axle center evenly distributed on the lateral wall of the other end, mounting hole (23) with backup tube (6) looks embeded the adaptation are seted up in backplate (2), every mounting hole (23) lateral wall all seted up with joint piece (63) quantity equal, and along mounting hole (23) axle center evenly distributed's joint groove (24).
3. A foundation pit supporting construction according to claim 1, wherein: an auxiliary baffle (7) is arranged between every two adjacent guard plates (2), each auxiliary baffle (7) comprises a baffle body (71) and two baffle flanks (72), the baffle bodies (71) are embedded between the two adjacent guard plates (2), the two baffle flanks (72) are respectively integrally formed on two sides of the baffle body (71), and the two baffle flanks (72) are respectively abutted to the front surfaces of the two adjacent guard plates (2); the baffle body (71) is connected with a plurality of supporting rods (8) which are arranged at intervals along the length direction of the baffle body, and each supporting rod (8) is inserted into the side wall of the foundation pit.
4. A foundation pit supporting construction according to claim 3, wherein: each supporting rod (8) comprises a rod body (81), an expansion head (82) integrally formed at one end of the rod body (81), a movable sleeve (83) sleeved on the outer side of the rod body (81) and a locking nut (84), wherein a plurality of expansion sheets (85) are integrally formed at one end, close to the expansion head (82), of the movable sleeve (83), and external threads connected with the locking nut (84) in a matched manner are arranged on the outer peripheral surface of one end, far away from the expansion head (82), of the rod body (81); and a third through hole (73) for the expansion head (82) to pass through and limiting the locking nut (84) to pass through is formed in the baffle body (71).
5. A foundation pit supporting construction according to claim 1, wherein: each supporting component (4) comprises a first fixing block (41) which is perpendicular to the protection plate (2), a second fixing block (42) which is perpendicular to the bottom plate (1), a connecting block (43) and a supporting block (44), wherein one end, close to the protection plate (2), of the first fixing block (41) is integrally formed at the bottom end of the second fixing block (42), the first fixing block (41) is fixedly arranged on the top surface of the bottom plate (1), the second fixing block (42) is fixedly arranged on the front surface of the protection plate (2), one end, far away from the protection plate (2), of the first fixing block (41) is connected with the top end of the second fixing block (42) through the connecting block (43), one end of the supporting block (44) is connected with the middle of the connecting block (43), and the other end of the supporting block is connected to the connecting position of the first fixing block (41) and the second fixing block.
6. A foundation pit supporting construction according to claim 1, wherein: every adjacent two all be equipped with an stock (9) between bottom plate (1), every the relative both sides integrated into one piece that sets up in stock (9) top has clamp plate (91), stock (9) are inserted and are located the foundation ditch bottom, and two clamp plate (91) respectively with the front looks butt of two bottom plates (1).
7. A foundation pit supporting construction according to claim 6, wherein: a plurality of barbs (92) are arranged on the peripheral surface of each anchor rod (9).
8. A foundation pit supporting construction according to claim 1, wherein: each top plate (3) bottom surface is integrated into a whole and is provided with a plurality of limiting convex strips (33).
9. A method of constructing a foundation pit supporting structure according to any one of claims 1 to 8, wherein: the method comprises the following steps:
s1, excavating a foundation pit: excavating a foundation pit through equipment such as an excavator and the like, and repairing and leveling the bottom of the foundation pit and the side wall of the foundation pit through auxiliary equipment or manpower so that the bottom of the foundation pit and the side wall of the foundation pit are arranged vertically;
s2, mounting a bottom plate: the base plate (1) is tiled at the bottom of the foundation pit, the insertion plate (11) integrally formed on the base plate (1) is inserted into the side wall of the foundation pit, and the base plate (1) is fixed at the bottom of the foundation pit through the fixing column (14);
s3, mounting a guard plate: the guard plate (2) is attached to the side wall of the foundation pit, and the inserting rod (21) integrally formed on the guard plate (2) penetrates through a preset avoidance hole (12) of the bottom plate (1) and then is inserted into the bottom of the foundation pit;
s4, installing a top plate: the top plate (3) is tiled on the ground at the periphery of the foundation pit, and the clamping and connecting plate (22) integrally formed on the protective plate (2) is clamped with the through groove (31) preset on the top plate (3);
s5, mounting a support assembly: a first fixing block (41) of the supporting component (4) is locked on the top surface of the bottom plate (1) through a bolt (45), and a second fixing block (42) of the supporting component (4) is locked on the front surface of the protection plate (2) through the bolt (45);
s6, mounting the fixing pile: adjusting the fixing pile (5) to be in a vertical state, inserting the fixing pile (5) into the ground around the foundation pit after penetrating through the second through hole (32) of the top plate (3), and penetrating the fixing pile (5) through the first through hole (13) of the insertion plate (11);
s7, mounting a support pipe: the supporting pipe (6) penetrates through the mounting hole (23) of the protective plate (2) and then is inserted into the side wall of the foundation pit;
s8, mounting an auxiliary baffle: the auxiliary baffle (7) is attached to the side wall of the foundation pit between the two adjacent guard plates (2), and the support rod (8) penetrates through the third through hole (73) of the auxiliary baffle (7) and then is inserted into the side wall of the foundation pit so as to lock and attach the auxiliary baffle (7) to the side wall of the foundation pit.
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