CN111827302A - Foundation pit supporting device - Google Patents

Foundation pit supporting device Download PDF

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Publication number
CN111827302A
CN111827302A CN202010725546.9A CN202010725546A CN111827302A CN 111827302 A CN111827302 A CN 111827302A CN 202010725546 A CN202010725546 A CN 202010725546A CN 111827302 A CN111827302 A CN 111827302A
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CN
China
Prior art keywords
plate
foundation pit
arrangement according
riser
fixedly connected
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CN202010725546.9A
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Chinese (zh)
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CN111827302B (en
Inventor
陈杨
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Shenzhen Daxing Engineering Management Co.,Ltd. Chongqing Branch
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Chongqing Vocational Institute of Engineering
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Priority to CN202010725546.9A priority Critical patent/CN111827302B/en
Publication of CN111827302A publication Critical patent/CN111827302A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Foundations (AREA)

Abstract

The invention relates to the technical field of building construction, and discloses a foundation pit supporting device which comprises a bottom plate, wherein a vertical plate and a reinforcing plate are vertically arranged on the bottom plate, a reinforcing unit is arranged on the reinforcing plate and comprises a plurality of fixing rods which are vertically distributed at intervals, threaded holes for the fixing rods to penetrate through are formed in the vertical plate, the threaded holes are through holes, two ends of each fixing rod vertically penetrate through the reinforcing plate, and the fixing rods are in threaded fit with the threaded holes. The invention can form a stable supporting effect on the side wall of the foundation pit and avoid the soil collapse of the side wall of the foundation pit.

Description

Foundation pit supporting device
Technical Field
The invention relates to the technical field of building construction, in particular to a foundation pit supporting device.
Background
In order to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, the side wall and the surrounding environment of the foundation pit need to be subjected to retaining, reinforcing and protecting measures. Wherein the support to the foundation ditch lateral wall is especially important, after digging the foundation ditch usually, still need construct in the foundation ditch and build, consequently need ensure the safety of the inside construction environment of foundation ditch, avoid the foundation ditch lateral wall to collapse or the stone and soil of foundation ditch lateral wall to drop and injure the workman by a crashing object, cause the incident.
In order to solve the above technical problem, in the prior art, for example, a foundation pit supporting frame with publication number CN109898522A, the foundation pit supporting frame includes: the foundation pit bottom plate is arranged at the bottom of the foundation pit; the supporting piece is arranged in the foundation pit and used for supporting the rock-soil layer, the supporting piece is positioned in the circumferential direction of the foundation pit bottom plate, the supporting piece is cuboid and is constructed to be provided with a cavity, and the bottom end of the supporting piece is lower than the foundation pit bottom plate; enclose the purlin roof beam, should enclose the purlin roof beam and be used for supporting two relative support pieces, enclose the purlin roof beam setting on support piece's upper portion and be connected with two relative support pieces respectively.
Although the above patent can avoid the foundation ditch dado to collapse, support the foundation ditch inner wall through support piece in the above patent, and strengthen the support to the support frame through bearing structure, but this bearing structure includes slider and extensible member, and the extensible member is owing to can produce flexible, changes the position of backup pad very easily, and is relatively poor to the supporting effect of backup pad, receives the effect of pressure of loam layer to it when the backup pad, produces easily and slides and can not play stable supporting role to the lateral wall of foundation ditch.
Disclosure of Invention
The invention provides a foundation pit supporting device, aiming at forming a stable supporting effect on the side wall of a foundation pit and avoiding the collapse of soil on the side wall of the foundation pit.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a foundation pit supporting device, includes the bottom plate, be equipped with riser and gusset plate on the bottom plate perpendicularly, be equipped with the reinforcement unit on the gusset plate, the reinforcement unit includes a plurality of vertical interval distribution's dead lever, be equipped with the screw hole that supplies the dead lever to pass on the riser, the screw hole is the through-hole, the gusset plate is passed perpendicularly at the dead lever both ends, and dead lever and screw hole screw-thread fit.
The principle and the advantages of the scheme are as follows: during practical application, four risers can protect and consolidate around the foundation ditch among this technical scheme, avoid foundation ditch all around stone and soil to collapse and drop and produce harm to the workman that carries out work in the foundation ditch.
In addition, adopt riser and gusset plate can form the effect of dual reinforcement and protection, and the reinforcement unit among this technical scheme includes a plurality of dead levers, and the screw hole screw-thread fit on dead lever and the riser, can make the dead lever pass the riser and insert in the earth layer in the riser outside through the rotating dead lever like this, thereby make the riser realize inseparable contact with the dirt layer in its outside, make the riser form stable supporting role to dirt layer, and can play locking, spacing fixed effect to the riser after the dead lever inserts dirt layer, thereby can strengthen the supporting role to the foundation ditch lateral wall.
Preferably, as an improvement, the reinforcing plate is connected with the bottom plate in a sliding manner, one end of the fixing rod is fixedly connected with the rotating plate, and the other end of the fixing rod is conical.
Gusset plate and bottom plate sliding connection, so set up, can make the gusset plate remove to the riser direction in the rotating dead lever to compress tightly the riser, thereby improve and consolidate the support of foundation ditch lateral wall, the rotor plate that sets up on the dead lever among this technical scheme, the rotating dead lever of being convenient for on the one hand, on the other hand rotor plate can play spacing effect to the gusset plate, make the gusset plate can effectually realize in close contact with the riser, thereby realize the supporting role to the foundation ditch lateral wall.
Preferably, as an improvement, at least two groups of the reinforcing units are arranged on each reinforcing plate, and the two groups of the reinforcing units are arranged in parallel.
So set up, can improve the riser to the support effect of foundation ditch lateral wall.
Preferably, as an improvement, the riser is equipped with four, and four riser mutually perpendicular set up, the gusset plate is equipped with four, four gusset plate mutually perpendicular set up, fixedly connected with a supporting beam between two risers of relative setting.
So set up, a supporting beam can further strengthen the supporting role of riser to the foundation ditch lateral wall, makes the riser can play the effect of outside support to soil layer, avoids soil layer to collapse to foundation ditch inside, and the setting of four risers and four gusset plates can all support the four lateral walls of foundation ditch.
Preferably, as an improvement, the bottom of the bottom plate is vertically and fixedly connected with a plurality of fixing nails distributed at intervals.
The setting of staple can play promptly effect to the foundation ditch bottom among this technical scheme, increases the frictional force of bottom plate and foundation ditch bottom to make the bottom plate more stable, and then can make the riser carry out effective and stable supporting role to the foundation ditch lateral wall.
Preferably, as an improvement, a supporting plate is fixedly connected to the top end of the vertical plate.
So set up, among this technical scheme, the height of riser can be prolonged in the setting of backup pad to the reinforcing is to the supporting role of foundation ditch lateral wall.
Preferably, as an improvement, the backup pad is the expansion plate that can stretch out and draw back, the equal perpendicular fixedly connected with limiting plate in backup pad upper portion.
So set up, the backup pad can produce telescopically among this technical scheme, can be adapted to the foundation ditch that has the different degree of depth like this to improve application range, and improve the bearing area to the foundation ditch, and then improve the support effect to the foundation ditch.
Preferably, as an improvement, the supporting plate comprises a plurality of trapezoidal plates, the cross section of each trapezoidal plate is trapezoidal, a connecting plate is fixedly connected between every two adjacent trapezoidal plates, and the connecting plate is located at the end with the shortest distance between every two adjacent trapezoidal plates.
The trapezoidal plate in this technical scheme and the cooperation of being connected between the connecting plate for the backup pad forms dentate structure, so sets up and to play reinforced (rfd) effect to dirt layer, can play the effect of locking interlock with dirt layer's earth, and is better to dirt layer's fixed stay effect.
Preferably, as an improvement, trapezoidal plate upper portion all is equipped with a drain cylinder, has run through the drain pipe between a plurality of drain cylinders, the wash port has all been seted up at the both ends of drain pipe.
So set up, the setting of a drainage section of thick bamboo among this technical scheme can in time accomodate the intraformational water of earth to discharge through drain pipe and wash port, thereby avoid the soil layer ponding too much and lead to the soft earth of soil layer to collapse.
Preferably, as an improvement, still include the escape canal, the escape canal sets up in the loam layer, it has the drainage pipe to communicate between escape canal and the drain pipe, the drainage pipe downward sloping sets up.
So set up, the setting of drain pipe and escape canal can further discharge the ponding of loam layer through the drain pipe, has further reduced the problem of loam layer ponding.
Drawings
Fig. 1 is a longitudinal sectional view of a first embodiment of a foundation pit supporting device according to the present invention.
Fig. 2 is a longitudinal sectional view of a foundation pit supporting device according to an embodiment of the present invention.
Fig. 3 is a partial top view of a third embodiment of an apparatus for supporting a foundation pit according to the present invention.
Fig. 4 is a partial top view of a fourth embodiment of an apparatus for supporting a foundation pit according to the present invention.
Fig. 5 is a longitudinal sectional view of a fourth embodiment of the foundation pit supporting device according to the present invention.
Fig. 6 is a partial top view of a fifth embodiment of an apparatus for supporting a foundation pit according to the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a soil layer 1, a foundation pit 2, a vertical plate 3, a bottom plate 4, fixing nails 5, a reinforcing plate 6, threaded holes 7, fixing rods 8, a rotating plate 9, a supporting plate 10, a limiting plate 11, a supporting beam 12, a drainage cylinder 13, a drainage pipe 14, a drainage hole 15, a drainage ditch 16, a drainage guide pipe 17, a sliding groove 18, a sliding block 19, a connecting plate 20, a trapezoidal plate 21 and reinforcing rods 22.
Example one
The embodiment is basically as shown in the attached figure 1: the utility model provides a foundation ditch strutting arrangement, foundation ditch strutting arrangement in this embodiment uses the foundation ditch 2 of rectangle form and uses the foundation ditch 2 that degree of depth, width and length are all less as an example, and is specific: this foundation ditch strutting arrangement includes bottom plate 4, and perpendicular and welded fastening has riser 3 and the gusset plate 6 that four mutually perpendicular set up on bottom plate 4, and four risers 3 and four gusset plates 6 all enclose to close the box structure that is the rectangle form, are convenient for support foundation ditch 2 all around.
In this embodiment, the reinforcing plates 6 are provided with at least two groups of reinforcing units, and the reinforcing units are arranged in parallel to each other on each reinforcing plate 6, so that the reinforcing units are arranged in parallel. In this embodiment, the reinforcing unit all includes four vertical interval distribution's dead lever 8, all be equipped with the screw hole 7 that supplies four dead levers 8 to pass on the riser 3, this screw hole 7 is the through-hole, gusset plate 6 is passed perpendicularly at 8 both ends of dead lever, and dead lever 8 and screw hole 7 screw-thread fit, in this embodiment gusset plate 6 all along perpendicular to riser 3's direction and bottom plate 4 sliding connection, specifically, spout 18 has been seted up on bottom plate 4, the equal welded fastening in bottom of gusset plate 6 has slider 19, slider 19 insert in spout 18 and with spout 18 sliding fit.
In this embodiment, the rotating plates 9 are welded and fixed to one ends of the fixing rods 8, the other ends of the rotating plates 9 are conical, the rotating plates 9 are in circular plate structures, and the diameters of the rotating plates 9 are larger than the diameters of the threaded holes 7.
This embodiment has a plurality of interval distribution's staple 5 at bottom welded fastening of bottom plate 4, and staple 5 can insert the bottom of foundation ditch 2 to make the stability that bottom plate 4 can be more, and then strengthen the reliability that whole foundation ditch strutting arrangement supported 2 lateral walls of foundation ditch. In this embodiment, a plurality of supporting beams 12 that set up side by side each other of fixedly connected with between two risers 3 that set up relatively, supporting beam 12's both ends respectively with riser 3 welded fastening, supporting beam 12's setting can further strengthen the supporting role of riser 3 to 2 lateral walls of foundation ditch.
During the use, insert the bottom of foundation ditch 2 with the one end that is equipped with staple 5 on the bottom plate 4, with four riser 3 welded fastening around bottom plate 4, make riser 3 support four sides of foundation ditch 2. Then through rotating the rotor plate 9, and make dead lever 8 insert in the screw hole 7 of riser 3 and with screw hole 7 screw-thread fit, when rotating the in-process of dead lever 8 insertion screw hole 7, will produce thrust to gusset plate 6 and make gusset plate 6 move to riser 3 direction when rotor plate 9 and gusset plate 6 mutually contact, and will insert along with rotor plate 9 constantly to 1 direction in the soil layer, and make gusset plate 6 and riser 3 in close contact with, thereby strengthen the supporting role to soil layer 1.
Example two
As shown in fig. 2, an excavation supporting device is different from the first embodiment in that: the top of riser 3 all welded fastening has backup pad 10, and backup pad 10 is the expansion plate that can stretch out and draw back in this embodiment, and backup pad 10 upper portion all perpendicular welded fastening has limiting plate 11.
The backup pad 10 in this embodiment can adapt to the foundation ditch 2 that has the different degree of depth, only need change the height of backup pad 10 through pulling backup pad 10 during the use to make riser 3 and backup pad 10 can carry out effectual support to the lateral wall of foundation ditch 2 jointly, the setting of limiting plate 11 can play support and spacing effect to backup pad 10 after the flexible height that changes backup pad 10 in this embodiment.
EXAMPLE III
As shown in fig. 3, an excavation supporting device is different from the first embodiment in that: in the present embodiment, the supporting plates 10 each include a plurality of trapezoidal plates 21, a cross section of each trapezoidal plate 21 is trapezoidal, and a connecting plate 20 is welded and fixed between two adjacent trapezoidal plates 21, where in the present embodiment, the connecting plate 20 is located at an end where a distance between two adjacent trapezoidal plates 21 is shortest.
The structure of backup pad 10 forms dentate structure in this embodiment, can play the effect of locking interlock to soil horizon 1 to can strengthen 2 lateral walls of foundation ditch, especially realize stronger holding power to soil horizon 1 on the upper portion of foundation ditch 2, avoid the earth of 2 lateral walls of foundation ditch to appear collapsing.
Example four
As shown in fig. 4 and 5, the difference between the foundation pit supporting device and the third embodiment is that: drainage tube 13 all is equipped with on trapezoidal plate 21 upper portion, has run through between the drainage tube 13 on a plurality of trapezoidal plates 21 to have drain pipe 14, and drainage tube 13 all communicates with each other with drain pipe 14, and wash port 15 has all been seted up at drain pipe 14's both ends, and wash port 15 department can the connecting tube to discharge the water in the drain pipe 14 outside foundation ditch 2.
Referring to fig. 5, a drainage ditch 16 is formed at the top end of the soil layer 1, a drainage conduit 17 is communicated between the drainage ditch 16 and the drainage pipe 14, and the drainage conduit 17 is arranged in a downward inclination manner.
The escape canal 16 provided in this embodiment can avoid water accumulation in the soil layer 1, reduce the water logging of the soil layer 1 to penetrate into the foundation pit 2 and can introduce the water in the soil layer 1 into the drain pipe 14 from the drain pipe 14 to be discharged.
EXAMPLE five
As shown in fig. 6, a foundation pit supporting device is different from the fourth embodiment in that: in this embodiment, two reinforcing rods 22 are welded and fixed to two ends of the supporting beam 12, two reinforcing rods 22 are respectively disposed at two ends of the supporting beam 12, the two reinforcing rods 22 are distributed in a splayed shape, and the two reinforcing rods 22 are respectively welded and fixed to the side walls of two adjacent trapezoidal plates 21.
The setting of stiffener 22 can strengthen the holding power to trapezoidal plate 21 among this technical scheme to make trapezoidal plate 21 play effective and stable supporting role to loam layer 1.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The utility model provides a foundation ditch strutting arrangement which characterized in that: the reinforced concrete floor slab comprises a base plate, be equipped with riser and gusset plate perpendicularly on the bottom plate, be equipped with the reinforcement unit on the gusset plate, the reinforcement unit includes a plurality of vertical interval distribution's dead lever, be equipped with the screw hole that supplies the dead lever to pass on the riser, the screw hole is the through-hole, the gusset plate is passed perpendicularly at the dead lever both ends, and dead lever and screw hole screw-thread fit.
2. A foundation pit bracing arrangement according to claim 1, wherein: the reinforcing plate is connected with the bottom plate in a sliding mode, one end of the fixing rod is fixedly connected with the rotating plate, and the other end of the fixing rod is conical.
3. A foundation pit bracing arrangement according to claim 1, wherein: the reinforcing units on the reinforcing plate are at least two groups, and the two groups of reinforcing units are arranged in parallel.
4. A foundation pit bracing arrangement according to claim 1, wherein: the riser is equipped with four, and four riser mutually perpendicular set up, the gusset plate is equipped with four, four gusset plate mutually perpendicular set up, fixedly connected with a supporting beam between two risers of relative setting.
5. A foundation pit bracing arrangement according to claim 1, wherein: the bottom of the bottom plate is vertically and fixedly connected with a plurality of fixing nails which are distributed at intervals.
6. A foundation pit bracing arrangement according to claim 1, wherein: the top end of the vertical plate is fixedly connected with a supporting plate.
7. A foundation pit bracing arrangement according to claim 6, wherein: the backup pad is the expansion plate that can stretch out and draw back, the equal perpendicular fixedly connected with limiting plate in backup pad upper portion.
8. A foundation pit bracing arrangement according to claim 6, wherein: the backup pad includes a plurality of trapezoidal boards, trapezoidal form is personally submitted in the cross section of trapezoidal board, fixedly connected with connecting plate between two adjacent trapezoidal boards, the connecting plate is located the one end that the distance is shortest between two adjacent trapezoidal boards.
9. A foundation pit bracing arrangement according to claim 8, wherein: the trapezoidal plate upper portion all is equipped with a drain cylinder, has run through between a plurality of drain cylinders to have the drain pipe, the wash port has all been seted up at the both ends of drain pipe.
10. A foundation pit bracing arrangement according to claim 9, wherein: still include the escape canal, the escape canal sets up at loam layer, the intercommunication has the drainage pipe between escape canal and the drain pipe, the drainage pipe downward sloping sets up.
CN202010725546.9A 2020-07-24 2020-07-24 Foundation pit supporting device Active CN111827302B (en)

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Application Number Priority Date Filing Date Title
CN202010725546.9A CN111827302B (en) 2020-07-24 2020-07-24 Foundation pit supporting device

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CN111827302B CN111827302B (en) 2021-09-03

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030066488A (en) * 2003-06-20 2003-08-09 (주) 한림환경산업 Steel panel for preventing drop of soil using guide-rail for a road
CN107740422A (en) * 2017-09-25 2018-02-27 谭增红 A kind of foundation ditch protective stent of high safety performance
CN109898522A (en) * 2019-04-15 2019-06-18 陈林 A kind of foundation pit support frame
CN210658384U (en) * 2019-09-28 2020-06-02 李聪 Building engineering foundation pit supporting device
CN210684727U (en) * 2019-09-17 2020-06-05 刘丽娟 Construction safety supporting construction

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030066488A (en) * 2003-06-20 2003-08-09 (주) 한림환경산업 Steel panel for preventing drop of soil using guide-rail for a road
CN107740422A (en) * 2017-09-25 2018-02-27 谭增红 A kind of foundation ditch protective stent of high safety performance
CN109898522A (en) * 2019-04-15 2019-06-18 陈林 A kind of foundation pit support frame
CN210684727U (en) * 2019-09-17 2020-06-05 刘丽娟 Construction safety supporting construction
CN210658384U (en) * 2019-09-28 2020-06-02 李聪 Building engineering foundation pit supporting device

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Effective date of registration: 20240525

Address after: 400084 Building 4, No. 22 Hurong Road, Dadukou District, Chongqing, China, 15-15

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