CN108951659B - Foundation pit supporting structure based on row piles and inner supports and construction method thereof - Google Patents
Foundation pit supporting structure based on row piles and inner supports and construction method thereof Download PDFInfo
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- CN108951659B CN108951659B CN201810979196.1A CN201810979196A CN108951659B CN 108951659 B CN108951659 B CN 108951659B CN 201810979196 A CN201810979196 A CN 201810979196A CN 108951659 B CN108951659 B CN 108951659B
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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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Abstract
The invention discloses a foundation pit supporting structure based on row piles and inner supports, which comprises a concrete layer arranged on the inner side wall of a foundation pit body, wherein 2 x n-arranged row piles are inserted into the inner bottom of the foundation pit body, one side, close to the concrete layer, of each row pile is connected with the concrete layer through a first limiting mechanism, one side, far away from the concrete layer, of each row pile is connected with a pressing plate through a second limiting mechanism, and the bottom of each pressing plate is inserted into the inner bottom of the foundation pit body. According to the invention, the pile row is vertically inserted into the bottom in the foundation pit through the pile pressing machine, then the top beam is fixedly connected with the pile row by screwing the third fixing screw, and then the supporting rod is fixedly connected with the top beam by screwing the fourth fixing screw, so that the top beam and the pile row are prevented from deflecting, namely the stability of the top beam is ensured, the pressing plate is fixedly connected with the middle part of the top beam by screwing the fifth fixing screw, and the middle part of the top beam is supported, so that the effect of quick installation can be realized.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a foundation pit supporting structure based on row piles and inner supports and a construction method thereof.
Background
At present, in building construction, a foundation at the bottom needs to be built, and a foundation pit is a stable point of the foundation. The foundation ditch is in the in-process of putting up in order to prevent that outer earth from weighing down to fall the foundation ditch, can set up concrete layer at the inside wall of foundation ditch, again at the interior bottom installation campshed of foundation ditch, support concrete layer through the campshed like this, after the campshed installation was accomplished, can pour the concrete at the top of campshed to form the guan liang, then support concrete layer's top through guan liang, thereby prevent that the concrete layer top from causing the phenomenon of collapsing.
However, at present, the row piles and the crown beams are all formed by pouring concrete, so that the construction of the row piles and the crown beams is long and complicated in the actual construction process, particularly for some small foundation pits, the concrete needs long solidification time, so that the construction time is long, and the row piles and the crown beams are not easy to disassemble after the construction is finished, so that the waste of resources is caused, and the construction time is long.
Therefore, a foundation pit supporting structure based on row piles and inner supports and a construction method thereof are designed.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a foundation pit supporting structure based on row piles and inner supports and a construction method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a foundation pit supporting structure based on row piles and inner supports comprises a concrete layer arranged on the inner side wall of a foundation pit body, wherein row piles in 2-x-n arrangement are inserted into the bottom in the foundation pit body, one side, close to the concrete layer, of each row pile is connected with the concrete layer through a first limiting mechanism, one side, far away from the concrete layer, of each row pile is connected with a pressing plate through a second limiting mechanism, the bottom of each pressing plate is inserted into the inner bottom of the foundation pit body, the pressing plate is connected with a connecting plate through a first connecting mechanism, the bottom of each connecting plate is fixedly connected with an inserting rod, the bottom of each inserting rod is inserted into the inner bottom of the foundation pit body, two adjacent row piles in the same row are connected with an L-shaped top beam through first fixing mechanisms, the bottom of each top beam is provided with a clamping groove corresponding to the top of the concrete layer, and a plurality of supporting rods which are horizontally arranged, the tip of bracing piece is connected with two adjacent back timber on same line through second fixed establishment, the lateral wall of bracing piece is fixed to have cup jointed the carriage, the both sides of carriage are rotated and are connected with the second coupling mechanism that 2 x 2 was arranged, the one end and the back timber fixed connection that the carriage was kept away from to second coupling mechanism.
Preferably, first stop gear includes the tool plate, the tool plate is connected with concrete layer's lateral wall through many first fixed screws, the first T type spout that corresponds with the tool plate is seted up to one side that the campshed is close to concrete layer, the inside wall sliding connection of tool plate and first T type spout.
Preferably, the second limiting mechanism comprises a T-shaped plate fixedly connected to the pressing plate, a second T-shaped sliding groove corresponding to the T-shaped plate is formed in one side, close to the pressing plate, of the row pile, and the T-shaped plate is connected with the inner side wall of the second T-shaped sliding groove in a sliding mode.
Preferably, the first connecting mechanism includes a first abutting rod rotatably connected to the top of the connecting plate, one end of the first abutting rod, which is far away from the connecting plate, is rotatably connected with a movable plate, a movable groove corresponding to the movable plate is formed in the outer side wall of the abutting plate, a first mounting seat corresponding to the first abutting rod is fixedly connected to the outer side wall of the movable plate and the top of the connecting plate, a rotating shaft is fixedly connected to the inner side wall of the first mounting seat, the end portion of the first abutting rod is rotatably sleeved on the rotating shaft, a plurality of bolts are connected to the first mounting seat in a threaded manner, a plurality of screw holes corresponding to the bolts are annularly arranged around the end portion of the first abutting rod by taking the axis of the rotating shaft as the center, a plurality of second fixing screws are connected to the movable plate in a threaded manner, and a plurality of thread grooves corresponding to the second fixing screws are formed in.
Preferably, first fixed establishment includes the inserted block of fixed connection bottom in the back timber, the mounting groove has been seted up at the top of campshed, adjacent two the inserted block is located the mounting groove, adjacent two one side that the inserted block is relative offsets, adjacent two one side that the inserted block carried on the back mutually offsets with the inside wall of mounting groove, the top both sides of campshed all are connected with the inserted block through a plurality of third fixed screws.
Preferably, the second fixing mechanism comprises a fixing ring fixedly sleeved at the end part of the supporting rod, the fixing ring is connected with a plurality of fourth fixing screws in a threaded manner, and the outer side wall of the top beam is provided with threaded holes corresponding to the fourth fixing screws.
Preferably, the second connecting mechanism comprises a second abutting rod rotatably connected to the side wall of the supporting frame, one end, far away from the supporting frame, of the second abutting rod is rotatably connected with a pressing plate, the pressing plate and the side wall of the supporting frame are fixedly connected with second mounting seats, a fixing shaft is fixedly connected to the inner side wall of the second mounting seat, the end portion of the second abutting rod is rotatably sleeved on the fixing shaft, and the pressing plate is connected with the top beam through a plurality of fifth fixing screws.
The invention also provides a construction method of the foundation pit supporting structure based on the row piles and the inner supports, which comprises the following steps:
s1, firstly, measuring and setting out the position of the determined row pile on the concrete layer, and then vertically and fixedly connecting the template to the position, corresponding to the row pile, on the concrete layer by screwing a first fixing screw;
s2, inserting the insertion rod into the inner bottom of the foundation pit body through a pile press, then adjusting the position of the first abutting rod to adjust the position of the abutting plate, after the adjustment is finished, adjusting the connecting positions of the bolts and the first abutting rods on the two first mounting seats to ensure the verticality of the movable plate, then vertically inserting the abutting plate into the inner bottom of the foundation pit body through the pile press, and fixedly connecting the movable plate with the abutting plate by screwing a second fixing screw;
s3, inserting a second T-shaped sliding groove and a first T-shaped sliding groove in the bottom of the row pile into the T-shaped plate and the I-shaped plate respectively, and vertically inserting the row pile into the bottom in the foundation pit body through a pile pressing machine;
s4, hoisting the top beam by a crane, placing the top beam between two adjacent row piles, clamping the top beam at the top of the concrete layer through the clamping groove, and then fixedly connecting the insertion block with the top of the row piles by screwing a third fixing screw;
s5, arranging the supporting rod between two rows of piles in the same column through a crane, and then fixedly connecting the fixing ring with the top beam by screwing a fourth fixing screw;
s6, after the supporting rod is stable, the pressing plate is enabled to be abutted against the outer side wall of the top beam by rotating the second abutting-pressing rod, and then the pressing plate is fixedly connected with the top beam by screwing a fifth fixing screw.
The invention has the beneficial effects that:
1. the pile row is vertically inserted into the bottom of the foundation pit through the pile pressing machine, then the top beam and the pile row are fixedly connected by screwing up the third fixing screw, and then the supporting rod and the top beam are fixedly connected by screwing up the fourth fixing screw, so that the top beam and the pile row are prevented from deflecting, namely the stability of the top beam is ensured, the pressing plate and the middle part of the top beam are fixedly connected by screwing up the fifth fixing screw, and the middle part of the top beam is supported, so that the effect of quick installation can be realized;
2. can guarantee through the mating reaction of T template and worker's template that the campshed can be vertical insert the foundation ditch in, support the bottom of clamp plate, first depression bar, connecting plate and inserted bar to carry out the outrigger in the cooperation simultaneously to avoid the campshed to take place the skew of position, then further toppling over of campshed is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a foundation pit supporting structure based on row piles and inner supports according to the present invention;
fig. 2 is a schematic view of a connection structure of a concrete layer and a template plate in a foundation pit supporting structure based on row piles and inner supports, which is provided by the invention;
fig. 3 is a schematic view of a bottom structure of a row pile in a foundation pit supporting structure based on row piles and inner supports according to the present invention;
fig. 4 is a schematic view of a connection structure between a row pile and two adjacent top beams in a foundation pit supporting structure based on the row pile and an inner support, which is provided by the invention;
fig. 5 is a schematic top view of a foundation pit supporting structure based on row piles and inner supports according to the present invention.
In the figure: the foundation pit supporting structure comprises a foundation pit body 1, a concrete layer 2, 3 rows of piles, a first limiting mechanism 4, a tooling plate 41, a first fixing screw 42, a second limiting mechanism 5, a T-shaped plate 51, a second T-shaped sliding groove 52, a pressing plate 6, a first connecting mechanism 7, a first pressing rod 71, a movable plate 72, a connecting plate 8, an inserting rod 9, a first fixing mechanism 10, an inserting block 101, a third fixing screw 102, a top beam 11, a supporting rod 12, a supporting frame 13, a second connecting mechanism 14, a second pressing rod 141, a pressing plate 142, a second fixing mechanism 15, a fixing ring 151 and a fourth fixing screw 152.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a foundation pit supporting structure based on campshed and interior support, including setting up concrete layer 2 on foundation pit body 1 inside wall, foundation pit body 1 bottom is inserted and is equipped with campshed 3 that 2 x n was arranged, one side that campshed 3 is close to concrete layer 2 is connected with concrete layer 2 through first stop gear 4, first stop gear 4 includes template 41, template 41 is connected with concrete layer 2's lateral wall through many first set screws 42, the first T type spout that corresponds with template 41 is seted up to one side that campshed 3 is close to concrete layer 2, template 41 and the inside wall sliding connection of first T type spout, the effect through first stop gear 4 is convenient for fix a position of campshed 3 and guarantees the stability of template 41 like this, thereby guarantee the verticality of campshed 3 through template 41.
Wherein, one side that row's stake 3 kept away from concrete layer 2 is connected with through second stop gear 5 and supports clamp plate 6, second stop gear 5 includes fixed connection and supports T template 51 on clamp plate 6, row's stake 3 is close to the second T type spout 52 that one side of supporting clamp plate 6 is equipped with and corresponds with T template 51, T template 51 and second T type spout 52's inside wall sliding connection, pile 3 is arranged with supporting clamp plate 6 stable connection through the effect of second stop gear 5 like this, the effect through T template 51 simultaneously carries on spacingly to row's stake 3 downstream, guarantee the steady downstream of row's stake 3, then deflection can not appear at the in-process of downstream, row's stake 3 both sides carry out the outrigger to row's stake 3 through T template 51 and tool plate 41 respectively simultaneously.
Wherein, the bottom of the abutting plate 6 is inserted on the inner bottom of the foundation pit body 1, the abutting plate 6 is connected with the connecting plate 8 through the first connecting mechanism 7, the first connecting mechanism 7 comprises a first abutting rod 71 rotatably connected on the top of the connecting plate 8, one end of the first abutting rod 71 far away from the connecting plate 8 is rotatably connected with a movable plate 72, the outer side wall of the abutting plate 6 is provided with a movable groove corresponding to the movable plate 72, the outer side wall of the movable plate 72 and the top of the connecting plate 8 are both fixedly connected with a first mounting seat corresponding to the first abutting rod 71, the inner side wall of the first mounting seat is fixedly connected with a rotating shaft, the end part of the first abutting rod 71 is rotatably sleeved on the rotating shaft, the first mounting seat is in threaded connection with a plurality of bolts, the end part of the first abutting rod 71 is provided with a plurality of screw holes corresponding to the bolts in a surrounding manner by taking the axis of the rotating shaft as the center, the interior bottom of activity groove is equipped with a plurality of thread grooves that correspond with the second fixed screw, the verticality of fly leaf 72 can be guaranteed through the effect of first coupling mechanism 7 like this, guarantee its verticality promptly through rotating fly leaf 72, then guarantee the verticality that supports clamp plate 6 through vertical fly leaf 72, and then guarantee the verticality of row's stake 3 downstream through the vertical T template 51 that supports on the clamp plate 6 that sets up, the while is through the first bottom of supporting depression bar 71 and the position of adjusting connection board 8 of rotating, can be according to the concrete position of the interior condition adjusting connection board 8 of foundation ditch body 1 like this, then the space in the foundation ditch body 1 of utilization that can be reasonable.
Wherein, the bottom of the connecting plate 8 is fixedly connected with an inserting rod 9, the bottom of the inserting rod 9 is inserted on the inner bottom of the foundation pit body 1, two adjacent row piles 3 on the same row are connected with an L-shaped top beam 11 through a first fixing mechanism 10, the first fixing mechanism 10 comprises an inserting block 101 fixedly connected with the inner bottom of the top beam 11, the top of the row pile 3 is provided with a mounting groove, the two adjacent inserting blocks 101 are positioned in the mounting groove, one opposite sides of the two adjacent inserting blocks 101 are abutted, the opposite sides of the two adjacent inserting blocks 101 are abutted with the inner side wall of the mounting groove, both sides of the top of the row pile 3 are connected with the inserting blocks 101 through a plurality of third fixing screws 102, this ensures a fixed connection between the cap 11 and the piles 3 by the action of the first fixing means 10, thereby ensuring the stability of the top beam 11, and not only ensuring the stability of two adjacent row piles 3 through the top beam 11, but also preventing the collapse problem of the top of the concrete layer 2.
Wherein, the bottom of back timber 11 is equipped with the draw-in groove that corresponds with 2 tops on concrete layer, many spinal branchs vaulting pole 12 that the level that is equipped with in the foundation ditch body 1 set up, the tip of bracing piece 12 passes through second fixed establishment 15 and is connected with two adjacent back timber 11 on the same line, second fixed establishment 15 is including fixed solid fixed ring 151 that cup joints at bracing piece 12 tip, gu threaded connection has many fourth fixed screws 152 on the fixed ring 151, the lateral wall of two adjacent back timber 11 is equipped with the screw hole that corresponds with fourth fixed screw 152, fixed connection between bracing piece 12 and the back timber 11 is guaranteed to effect through second fixed establishment 15 like this, thereby two adjacent back timber 11 are supported in the effect through bracing piece 12, thereby prevent that back timber 11 from receiving the extrusion force and to foundation ditch body internal inclination, lead to arranging stake 3 etc. and cave in.
Wherein, the outer side wall of the support rod 12 is fixedly sleeved with the support frame 13, two sides of the support frame 13 are rotatably connected with second connecting mechanisms 14 arranged in 2 x 2, one end of the second connecting mechanism 14 far away from the support frame 13 is fixedly connected with the top beam 11, each second connecting mechanism 14 comprises a second abutting rod 141 rotatably connected on the side wall of the support frame 13, one end of each second abutting rod 141 far away from the support frame 13 is rotatably connected with a press plate 142, the press plate 142 and the side wall of the support frame 13 are both fixedly connected with a second mounting seat, the inner side wall of the second mounting seat is fixedly connected with a fixed shaft, the end part of each second abutting rod 141 is rotatably sleeved on the fixed shaft, the press plate 142 is connected with the top beam 11 through a plurality of fifth fixed screws, so that the support rod 12 is connected with the middle part of the top beam 11 through the action of the second connecting mechanism 14, and the middle part of the top beam 11 is supported, the middle portion of the top beam 11 is prevented from being subjected to an excessive pressing force to cause a breakage of the middle portion of the top beam 11.
The invention also provides a construction method of the foundation pit supporting structure based on the row piles and the inner supports, which comprises the following steps:
s1, firstly, measuring and paying off to determine the position of the row piles 3 on the concrete layer 2, then, screwing down the first fixing screws 42 to vertically and fixedly connect the tool-type plates 41 to the positions, corresponding to the row piles 3, on the concrete layer 2, so that the vertical fixed connection of the tool-type plates 41 and the concrete layer 2 is ensured, because the concrete layer 2 is vertically arranged, and meanwhile, the position of the row piles 3 is determined through the tool-type plates 41, so that the vertical arrangement of the tool-type plates 41 is ensured;
s2, insert the interior bottom of foundation ditch body 1 with inserted bar 9 through the pile driver, adjust first the position that supports depression bar 71 and adjust the position that supports clamp plate 6 after that, the distance that makes the distance of T template 51 and the relative one side of worker 'S board 41 and interior bottom of second T type spout 52 and the interior bottom of first T type spout in the same distance between the bottom like this, then can guarantee that the both sides of later row' S stake 3 are accurate respectively insert on T template 51 and worker 'S board 41, and then guarantee row' S stake 3 stability, after finishing adjusting, adjust two first mount pads on bolt and the first hookup location that supports depression bar 71, the effect through the bolt position of adjusting the first mount pad on connecting plate 8 is promptly: the distance between the first abutting rod 71 and the abutting plate 6 can be conveniently adjusted, so that the space at the bottom in the foundation pit body 1 is reasonably utilized, the inserting positions of the connecting plate 8 and the inserting rod 9 are not affected by the bottom in the foundation pit body 1, the verticality of the movable plate 72 is ensured by adjusting the bolt function of the first mounting seat on the movable plate 72, the abutting plate 6 is vertically inserted into the bottom in the foundation pit body 1 through a pile press machine, because the movable plate 72 is vertically arranged and the movable plate 72 is slidably connected with the abutting plate 6, the abutting plate 6 is limited by the movable plate 72 when moving downwards, so that the abutting plate 6 is ensured to move vertically downwards, then the movable plate 72 is fixedly connected with the abutting plate 6 by screwing the second fixing screw, so that the stability of the first abutting rod 71 is ensured, and the abutting plate 6 is supported by the first abutting rod 71 and the movable plate 72, the vertical stability of the pressing plate 6 is better ensured;
s3, inserting a second T-shaped sliding groove 52 and a first T-shaped sliding groove on the bottom of each row pile 3 into a T-shaped plate 51 and a tool-shaped plate 41 respectively, and vertically inserting the row piles 3 into the bottom of the foundation pit body 1 through a pile pressing machine, wherein the two sides of each row pile 3 are limited when the row piles 3 move downwards through the T-shaped plates 51 and the tool-shaped plates 41 respectively, so that the row piles 3 are ensured to move vertically downwards, and deflection cannot occur when the row piles 3 move downwards;
s4, hoisting the top beam 11 by a crane, placing the top beam 11 between two adjacent row piles 3, clamping the top beam at the top of the concrete layer 2 through a clamping groove, and then fixedly connecting the insertion block 101 with the top of the row pile 3 by screwing up the third fixing screw 102, so that the top beam 11 is stabilized by stabilizing the insertion block 101, the stability of the two adjacent row piles 3 can be ensured by the action of the top beam 11, and the top of the concrete layer 2 can be limited and supported, thereby preventing the top of the concrete layer 2 from collapsing;
s5, the supporting rod 12 is arranged between two piles 3 in the same row by the crane, and then the fixing ring 151 is fixedly connected with the top beam 11 by screwing the fourth fixing screw 152, so as to ensure that the top beam 11 is respectively supported by two ends of the supporting rod 12, thereby preventing the top beam 11 and the piles 3 from toppling due to an excessive horizontal pressure on the top of the concrete layer 2, and then providing a horizontal supporting force for the top beam 11 by the supporting rod 12, and then ensuring the stability of the top beam 11;
s6, after the bracing piece 12 is stabilized, make the clamp plate 142 offset with the lateral wall of back timber 11 through rotating second pressure bar 141, press plate 142 and back timber 11 fixed connection through screwing up fifth fixed screw after that, the cooperation through second pressure bar 141 and clamp plate 142 supports the middle part of back timber 11 like this, thereby avoid the problem that leads to the rupture after the back timber 11 middle part receives pressure, then guarantee that back timber 11 can be stable support the top of concrete layer 2, and then avoid the problem that the top of concrete layer 2 appears collapsing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A foundation pit supporting structure based on row piles and inner supports comprises a concrete layer (2) arranged on the inner side wall of a foundation pit body (1), and is characterized in that row piles (3) arranged in a 2 x n mode are inserted into the inner bottom of the foundation pit body (1), one side, close to the concrete layer (2), of each row pile (3) is connected with the concrete layer (2) through a first limiting mechanism (4), one side, far away from the concrete layer (2), of each row pile (3) is connected with a pressing plate (6) through a second limiting mechanism (5), the bottom of each pressing plate (6) is inserted into the inner bottom of the foundation pit body (1), each pressing plate (6) is connected with a connecting plate (8) through a first connecting mechanism (7), the bottom of each connecting plate (8) is fixedly connected with an inserting rod (9), the bottom of each inserting rod (9) is inserted into the inner bottom of the foundation pit body (1), adjacent two with the line campshed (3) are connected with back timber (11) that are the L type through first fixed establishment (10), the bottom of back timber (11) is equipped with the draw-in groove that corresponds with concrete layer (2) top, many spinal branchs vaulting pole (12) that the level that is equipped with set up in foundation ditch body (1), the tip of bracing piece (12) is connected with two adjacent back timber (11) with the line through second fixed establishment (15), carriage (13) have been fixed to have cup jointed to the lateral wall of bracing piece (12), the both sides of carriage (13) are rotated and are connected with second coupling mechanism (14) of 2 x 2 arrangements, the one end and back timber (11) fixed connection of carriage (13) are kept away from in second coupling mechanism (14).
2. The foundation pit supporting structure based on the campshed and the inner support is characterized in that the first limiting mechanism (4) comprises a tool plate (41), the tool plate (41) is connected with the outer side wall of the concrete layer (2) through a plurality of first fixing screws (42), a first T-shaped sliding groove corresponding to the tool plate (41) is formed in one side, close to the concrete layer (2), of the campshed (3), and the tool plate (41) is in sliding connection with the inner side wall of the first T-shaped sliding groove.
3. The foundation pit supporting structure based on row piles and inner supports as claimed in claim 1, wherein the second limiting mechanism (5) comprises a T-shaped plate (51) fixedly connected to the pressing plate (6), a second T-shaped sliding groove (52) corresponding to the T-shaped plate (51) is formed in one side, close to the pressing plate (6), of the row piles (3), and the T-shaped plate (51) is slidably connected with the inner side wall of the second T-shaped sliding groove (52).
4. The foundation pit supporting structure based on the campshed and the inner support as claimed in claim 1, wherein the first connecting mechanism (7) comprises a first pressing rod (71) rotatably connected to the top of the connecting plate (8), a movable plate (72) is rotatably connected to one end of the first pressing rod (71) far away from the connecting plate (8), a movable groove corresponding to the movable plate (72) is formed in the outer side wall of the pressing plate (6), a first mounting seat corresponding to the first pressing rod (71) is fixedly connected to the outer side wall of the movable plate (72) and the top of the connecting plate (8), a rotating shaft is fixedly connected to the inner side wall of the first mounting seat, the end of the first pressing rod (71) is rotatably sleeved on the rotating shaft, a plurality of bolts are threadedly connected to the first mounting seat, and a plurality of screw holes corresponding to the bolts are annularly formed at the end of the first pressing rod (71) around the axis of the rotating shaft, a plurality of second fixing screws are connected to the movable plate (72) in a threaded mode, and a plurality of thread grooves corresponding to the second fixing screws are formed in the inner bottom of the movable groove.
5. The foundation pit supporting structure based on the campshed and the inner support as claimed in claim 1, wherein the first fixing mechanism (10) comprises an insert block (101) fixedly connected to the bottom of the top beam (11), a mounting groove is formed in the top of the campshed (3), two adjacent insert blocks (101) are located in the mounting groove, one opposite sides of the two adjacent insert blocks (101) abut against each other, the opposite sides of the two adjacent insert blocks (101) abut against the inner side wall of the mounting groove, and both sides of the top of the campshed (3) are connected with the insert blocks (101) through a plurality of third fixing screws (102).
6. The foundation pit supporting structure based on campshed and inner support of claim 1, characterized in that, the second fixing mechanism (15) comprises a fixing ring (151) fixedly sleeved on the end of the supporting rod (12), the fixing ring (151) is connected with a plurality of fourth fixing screws (152) in a threaded manner, and the outer side wall of two adjacent top beams (11) is provided with a threaded hole corresponding to the fourth fixing screw (152).
7. The foundation pit supporting structure based on the row piles and the inner support is characterized in that the second connecting mechanism (14) comprises a second pressure resisting rod (141) rotatably connected to the side wall of the supporting frame (13), one end, away from the supporting frame (13), of the second pressure resisting rod (141) is rotatably connected with a pressure plate (142), the pressure plate (142) and the side wall of the supporting frame (13) are both fixedly connected with a second mounting seat, a fixed shaft is fixedly connected to the inner side wall of the second mounting seat, the end portion of the second pressure resisting rod (141) is rotatably sleeved on the fixed shaft, and the pressure plate (142) is connected with the top beam (11) through a plurality of fifth fixing screws.
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| CN201810979196.1A CN108951659B (en) | 2018-08-27 | 2018-08-27 | Foundation pit supporting structure based on row piles and inner supports and construction method thereof |
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| CN201810979196.1A CN108951659B (en) | 2018-08-27 | 2018-08-27 | Foundation pit supporting structure based on row piles and inner supports and construction method thereof |
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| CN108951659B true CN108951659B (en) | 2020-06-02 |
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| CN110230316A (en) * | 2019-06-13 | 2019-09-13 | 黄河交通学院 | A kind of civil engineering foundation pit support device |
| CN110847002A (en) * | 2019-10-10 | 2020-02-28 | 临沂大学 | Be used for steel fibre concrete bridge reinforcing apparatus |
| CN111101524B (en) * | 2020-01-17 | 2021-05-18 | 顺康基础建设有限公司 | Temporary supporting structure for foundation pit construction and temporary supporting construction method |
| CN111287069B (en) * | 2020-02-23 | 2021-07-16 | 苏州知瑞光电材料科技有限公司 | Connecting member for overcoming non-uniform settlement of bridge |
| CN112726628A (en) * | 2020-12-28 | 2021-04-30 | 冯国艳 | Movable inner supporting device for foundation pit supporting |
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| KR20090091467A (en) * | 2008-02-25 | 2009-08-28 | 코오롱건설주식회사 | Soil retaining method for two rows pile using raker |
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| CN105756070A (en) * | 2016-05-04 | 2016-07-13 | 山东大学 | Assembled type foundation pit supporting and protecting structure system based on prefabricated members |
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