CN206495217U - A kind of foundation ditch soil-baffling structure - Google Patents
A kind of foundation ditch soil-baffling structure Download PDFInfo
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- CN206495217U CN206495217U CN201720148018.5U CN201720148018U CN206495217U CN 206495217 U CN206495217 U CN 206495217U CN 201720148018 U CN201720148018 U CN 201720148018U CN 206495217 U CN206495217 U CN 206495217U
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- breast boards
- foundation ditch
- strengthening nail
- strengthening
- nail
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Abstract
The utility model discloses a kind of foundation ditch soil-baffling structure, the foundation ditch soil-baffling structure includes the breast boards for being located at foundation ditch side, the breast boards is provided with multiple reinforced holes, be provided with the strengthening nail for being used for the breast boards being fixed on the foundation pit side-wall through reinforced hole, it is the cement chamber for cement injection inside the strengthening nail, the strengthening nail is provided with the opening for connecting cement chamber with external environment close to one end of breast boards, and the side wall of the strengthening nail is provided with multiple injected holes for connecting the cement chamber with external environment, with less for fixing the space that the mechanism of breast boards occupies inside foundation ditch, position of the breast boards in foundation ditch is stable, the good advantage of the earth-retaining effect of breast boards.
Description
Technical field
The utility model is related to civil engineering structure technical field, more particularly to a kind of foundation ditch soil-baffling structure.
Background technology
Foundation ditch is the heatable adobe sleeping platform excavated in basic engineering position by substrate absolute altitude and basic plane size.Pattern foundation pit supporting structure be for
Ensure the safety of Underground Construction and foundation ditch surrounding enviroment, support, reinforcing and the guarantor used to foundation pit side-wall and surrounding enviroment
Shield measure.The available method for putting side slope of not deep person is excavated, makes Stability of Earth Slopes, its gradient size is determined by relevant construction regulation.Open
The relatively deep and neighbouring person that has building is dug, can use foundation pit walls method for protecting support, gunite concrete wall protecting method, Large Foundation Pit even use
Diaphram wall and the method such as colonnade formula cast-in-situ bored pile is chain, protection outside soil layer collapse into.
The Chinese patent that Authorization Notice No. is CN205116182U, authorized announcement date is on 03 30th, 2016 discloses one
Plant simple foundation pit support system, including breast boards, supporting back cord, support bar group, prefabricated bearing and interim hound group.Existing skill
After art is mainly by the way that breast boards is abutted with foundation pit side-wall when in use, breast boards is pressed on by foundation ditch side by support bar group
Realized on wall for the spacing of breast boards.
Breast boards in use, is mainly pressed on foundation ditch by prior art by the support bar group in foundation ditch
On the wall of side, so that breast boards plays a part of earth-retaining.Support bar group is because will play a supporting role so that support bar is in base
The space occupied in hole is larger, reduces available space in foundation ditch.
Utility model content
The purpose of this utility model is to provide a kind of foundation ditch soil-baffling structure, which solves the support for compressing breast boards
The problem of bar group occupies larger foundation ditch inner space, with for fix the mechanism of breast boards occupy foundation ditch inner space compared with
It is few, and position of the breast boards in foundation ditch is stable, the good advantage of the earth-retaining effect of breast boards.
Above-mentioned technical purpose of the present utility model technical scheme is that:
A kind of foundation ditch soil-baffling structure, including the breast boards of foundation ditch side is located at, the breast boards is reinforced provided with multiple
Hole, is provided with through reinforced hole inside the strengthening nail for being used for being fixed on the breast boards on the foundation pit side-wall, the strengthening nail
For the cement chamber for cement injection, the strengthening nail is provided with opening that cement chamber is connected with external environment close to one end of breast boards
Mouthful, and the side wall of the strengthening nail is provided with multiple injected holes for connecting the cement chamber with external environment.
Using said structure, breast boards is provided with reinforced hole, and being provided with through reinforced hole is used to breast boards being fixed on foundation ditch
Strengthening nail on the wall of side.It is pressed on the side wall of foundation ditch, and is reinforced during strengthening nail fixation breast boards so that breast boards is reinforced to clench
Most of volume of nail is located in foundation pit side-wall, so that the part that strengthening nail is located inside foundation ditch is few so that fixed earth-retaining
It is few that the mechanism of plate occupies foundation ditch inner space.And the inside of strengthening nail is provided with cement chamber, and the side wall of strengthening nail is provided with water
The injected hole that mud intracavitary portion is in communication with the outside.So that user can be located at opening at breast boards to cement intracavitary by cement chamber
Cement injection, cement can fill cement chamber, and from injected hole exits into the soil on strengthening nail periphery, meeting pair adds after cement is dry
Gu nail has certain reinforcement effect, reinforcement effect of the reinforcing strengthening nail to breast boards.
More preferably:The cement intracavitary is plugged with the strengthening core coordinated with the cement chamber.
Using said structure, strengthening core is plugged with cement intracavitary so that strengthening core is removable.So that to foundation pit side-wall
When inside squeezing into strengthening nail, strengthening core can share power that strengthening nail is subject to so that strengthening nail is hardly damaged.And the setting of strengthening core,
So that strengthening nail is when entering in foundation pit side-wall, the soil in foundation pit side-wall can be added when entering the injected hole on the wall of strengthening nail side
Gu nail is blocked, so that the soil in foundation pit side-wall is not easily accessible inside strengthening nail.
More preferably:The strengthening core is provided with pressure block close to one end of opening, and the pressure block is perpendicular to institute
The area for stating strengthening nail axis section is more than the opening and the area of the strengthening nail axis vertical cross-section.
Using said structure, strengthening core is provided with pressure block close to one end of opening, and pressure block can not enter cement intracavitary,
So that strengthening core will not facilitate strengthening nail and squeeze into and strengthening core is taken out after foundation pit side-wall completely into cement intracavitary.Pressure block
Set and active force, when being squeezed into strengthening nail inside foundation ditch by machine or artificial mode, can be applied to by user
On pressure block so that strengthening nail will not be stressed directly.So that strengthening nail when entering in foundation pit side-wall by because external force
The damage caused is less.
More preferably:One end of the breast boards exceedes the upper end of the foundation pit side-wall provided with reinforcing fixed plate, and
The reinforcing fixed plate is connected on the ground outside the foundation ditch;The reinforcing fixed plate is penetrated also to be provided with fixing the reinforcing
The strengthening nail that plate is fixed on the ground.
Using said structure, breast boards exceedes foundation pit side-wall provided with reinforcing fixed plate, and reinforcing fixed plate is connected to foundation ditch
On outer ground, strengthening nail is squeezed into reinforcing fixed plate, strengthening nail gos deep into ground, breast boards has been carried out further solid
It is fixed so that more to stablize the position of breast boards.When strengthening fixed plate and breast boards is wholely set, reinforcing fixed plate may also function as
Earth-retaining effect so that be not easily accessible with the soil on the ground near foundation pit side-wall inside foundation ditch.
More preferably:The lower end of the breast boards is goed deep into the foundation ditch bottom surface and set.
Using said structure, foundation ditch bottom surface is goed deep into the lower end of breast boards so that foundation ditch bottom surface has certain for breast boards
Spacing and fixation, enhances position of the breast boards in foundation ditch.Breast boards is reinforced using foundation ditch bottom surface to it so that
The pressure that breast boards can be born is stronger, further enhances the earth-retaining effect of breast boards.
More preferably:Described breast boards is provided with support bar, and one end of the support bar is fixed on the breast boards
On, the other end of the support bar is fixed on the foundation ditch bottom surface;The support bar is fixed on one end and the earth-retaining of foundation ditch bottom surface
There is distance between plate, and the bearing of support bar and breast boards is set higher than foundation ditch bottom surface.
Using said structure, support bar is provided with breast boards, one end of support bar is located on breast boards, support bar it is another
One end is located at the rear of breast boards and is fixed on foundation ditch bottom surface, and support bar and the junction of foundation ditch bottom surface are located at support bar and earth-retaining
The bottom of plate junction.So that support bar, breast boards, bottom surface composition gusseted, so that support bar is for breast boards
Support force is stronger.Enhance position of the breast boards in foundation ditch so that position of the breast boards in foundation ditch is more stablized, and is enhanced
The earth-retaining effect of breast boards.
More preferably:The side wall of described strengthening nail strengthens tooth, the hangnail type reinforcing provided with multiple hangnail types
Tooth is obliquely installed from the side of the strengthening nail to the cement chamber opening.
Using said structure, tooth is strengthened provided with multiple hangnail types on the side wall of strengthening nail so that strengthening nail is located at foundation ditch
When in the wall of side, hangnail type reinforcing tooth can be acted on the soil in foundation pit side-wall, and soil is strengthened tooth limited location for hangnail type and acted on.
So that strengthening nail is not susceptible to reverse slip after entering foundation ditch inwall, so that strengthening nail is difficult to skid off from foundation pit side-wall.
Stability of the strengthening nail on foundation pit side-wall is enhanced, so that strengthening nail is stronger for the position-limiting action of breast boards, enters one
Step enhances the earth-retaining effect of breast boards.
In summary, the utility model has the advantages that:The one side abutted in breast boards with foundation pit side-wall is set
There is reinforced hole, through reinforced hole is provided with strengthening nail and strengthening nail inside is the cement chamber for cement injection, the side wall of strengthening nail
It is communicated with the injected hole of cement chamber and external environment.So that user can be carried out tentatively by strengthening nail to breast boards
It is spacing.When strengthening nail enters foundation pit side-wall to the cement intra-bladder instillation cement of strengthening nail, cement can fill cement chamber, from slip casting
Hole is exited into the soil body around strengthening nail.One layer of ruggedized construction can be formed after cement is dry to reinforce strengthening nail, strengthened
Position of the strengthening nail in foundation pit side-wall.So as to be reinforced to breast boards, the earth-retaining effect of breast boards is enhanced.On breast boards
End exceedes foundation pit side-wall and is reinforced nail provided with reinforcing fixed plate, and reinforcing fixed plate and is fixed on bottom surface, further to breast boards
It is spacing so that position of the breast boards on foundation pit side-wall is stable.The setting of foundation ditch bottom surface is goed deep into the bottom of breast boards so that breast boards
Bottom cause breast boards is more stablized in foundation ditch to enhance the earth-retaining effect of breast boards by foundation ditch bottom surface is spacing.By reinforcing
Nail breast boards is carried out it is spacing with it is fixed, most of volume is respectively positioned in foundation pit side-wall strengthening nail in itself so that breast boards is consolidated
Determine the space that mechanism occupies in foundation ditch few.Strengthening core is inserted with strengthening nail so that strengthening nail is when being driven into foundation pit side-wall
The hitting power being subject to can be reinforced core and share so that strengthening nail enter foundation pit side-wall in when be subject to from user's
The damage of hitting power is less.Strengthening core can be extracted out out of strengthening nail so that easy to use, the priming petock into strengthening nail of strengthening nail
Mud is convenient.The setting of support bar further enhances the stability of breast boards so that the position of breast boards is stable, enhances earth-retaining
The earth-retaining effect of plate.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment;
Fig. 2 is the schematic elevation view of embodiment strengthening nail;
Fig. 3 is Fig. 2 A-A structural representations;
Fig. 4 is that Fig. 3 removes the structural representation after strengthening core.
In figure, 1, breast boards;2nd, strengthening nail;3rd, cement chamber;4th, injected hole;5th, strengthening core;6th, pressure block;7th, reinforcing is fixed
Plate;8th, ground;9th, foundation pit side-wall;10th, support bar;11st, hangnail type reinforcing tooth;12nd, foundation ditch bottom surface.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in protection domain of the present utility model by Patent Law.
Embodiment:A kind of foundation ditch soil-baffling structure, as shown in figure 1, the breast boards 1 including being located at foundation pit side-wall 9, breast boards
1 exceedes the upper end of foundation pit side-wall 9 provided with reinforcing fixed plate 7, and reinforcing fixed plate 7 is wholely set with breast boards 1, strengthens fixed plate 7
Provided with reinforcing fixing hole(Not shown in figure), and reinforcing fixed plate 7 be connected on the bottom surface outside foundation ditch.Breast boards 1 it is remote
One end of reinforcing fixed plate 7 is goed deep into foundation ditch bottom surface 12 and set.
Reference picture 1, Fig. 2, Fig. 3, Fig. 4, breast boards 1 on the corner of the abutment portion of foundation pit side-wall 9 with being respectively provided with a reinforcing
Hole(Not shown in figure), be provided with the strengthening nail 2 for being used for breast boards 1 being fixed on the foundation pit side-wall 9 through each reinforced hole,
Strengthening nail 2 is welded and fixed with breast boards 1 when breast boards 1 is pressed on foundation pit side-wall 9 by strengthening nail 2.The inside of strengthening nail 2 is provided with
For the cement chamber 3 of cement injection, strengthening nail 2 is provided with the opening for connecting cement chamber 3 with external environment close to the one end of breast boards 1,
The side of strengthening nail 2 is provided with multiple injected holes 4 for connecting cement chamber 3 with external environment.The inside of cement chamber 3 is plugged with and cement
The strengthening core 5 that chamber 3 coordinates, strengthening core 5 is provided with pressure block 6 close to one end that cement chamber 3 is open, and the pressure block 6 is located at cement chamber 3
Outside, and the pressure block 6 is vertically more than face of the opening perpendicular to the axis section of strengthening nail 2 with the area in the section of the axis of strengthening nail 2
Product.The side wall of strengthening nail 2 strengthens tooth 11 provided with multiple hangnail types, and hangnail type strengthens tooth 11 from the side of strengthening nail 2 to cement
The opening of chamber 3 is obliquely installed.Penetrate reinforcing fixed plate 7 and also be provided with strengthening nail 2, strengthening the strengthening nail 2 in fixed plate 7 will strengthen solid
Fixed board 7 is fixed on the ground 8 outside foundation ditch.
The one side away from foundation pit side-wall 9 is fixed with support bar 10 on reference picture 1, breast boards 1, and support bar 10 is away from breast boards
1 one end is fixed on foundation ditch bottom surface 12.Support bar 10 is located at the middle and upper part of breast boards 1, and support with one end that breast boards 1 is fixed
Bar 10 is obliquely installed from breast boards 1 to foundation ditch bottom surface 12.
Installation process:
The positioning pit for being used on and placing the lower end of breast boards 1 is dug before foundation pit side-wall 9 has been excavated(Not shown in figure), by earth-retaining
Plate 1 is put into positioning pit and so that breast boards 1 is connected to foundation pit side-wall 9, reinforcing fixed plate 7 is connected on the ground 8 by foundation ditch.
Filled up into positioning hole with the soil dug out in foundation ditch, and the bottom for the breast boards 1 that soil compaction is caused is fixed on foundation ditch
Bottom surface 12.The reinforced hole for being directed at breast boards 1 taps the pressure block 6 of strengthening nail 2, and strengthening nail 2 is squeezed into foundation ditch bottom surface 12 so that plus
Admittedly nail 2 is progressed into foundation pit side-wall 9, finally strengthening nail 2 is connected on breast boards 1, completes breast boards 1 and foundation pit side-wall
9 abut the fixation of the strengthening nail 2 of one side.Alignment strengthens the reinforcing fixing hole in fixed plate 7 and taps the pressure block 6 of strengthening nail 2
Strengthening nail 2 is squeezed into bottom surface from reinforcing fixing hole, finally causes strengthening nail 2 to be connected in reinforcing fixed plate 7.
Outwards extract the strengthening core 5 in strengthening nail 2 out from strengthening nail 2.Now cement chamber 3 passes through cement chamber 3 with external environment
Open communication.Strengthening nail 2 is welded together with breast boards 1 or strengthening nail 2 with reinforcing fixed plate 7.To the cement chamber of strengthening nail 2
Interior cement injection so that the cement chamber 3 of strengthening nail 2 is filled and exits into strengthening nail out of strengthening nail 2 injected hole 4 by cement
In the soil on 2 peripheries.The higher cement layer of intensity is formed after cement is dry around steel pipe, so as to enhance the reinforcing of strengthening nail 2
Effect.
Support bar 10 is welded in the middle and upper part of breast boards 1 so that one end of support bar 10 is fixed on breast boards 1, will be propped up
In the other end insertion foundation ditch bottom surface 12 of strut 10, and by the soil compaction near support bar 10.Complete the fixation of support bar 10.
Claims (7)
1. a kind of foundation ditch soil-baffling structure, including it is located at the breast boards (1) of foundation ditch side, it is characterised in that the breast boards (1)
Multiple reinforced holes are provided with, being provided with through reinforced hole is used to the breast boards (1) being fixed on adding on the foundation pit side-wall (9)
It is the cement chamber (3) for cement injection inside the strengthening nail (2), the strengthening nail (2) is close to breast boards (1) Gu following closely (2)
One end be provided with opening that cement chamber (3) connect with external environment, and the strengthening nail (2) side wall provided with described in multiple generals
The injected hole (4) that cement chamber (3) is connected with external environment.
2. a kind of foundation ditch soil-baffling structure according to claim 1, it is characterised in that be plugged with the cement chamber (3)
The strengthening core (5) coordinated with the cement chamber (3).
3. a kind of foundation ditch soil-baffling structure according to claim 2, it is characterised in that the strengthening core (5) is close to opening
One end be provided with pressure block (6), area of the pressure block (6) perpendicular to the strengthening nail (2) axis section is more than described
Opening and the area of the strengthening nail (2) axis vertical cross-section.
4. a kind of foundation ditch soil-baffling structure according to claim 1, it is characterised in that the breast boards (1) exceedes described
One end of foundation pit side-wall (9) is provided with reinforcing fixed plate (7), and the reinforcing fixed plate (7) is connected to the ground outside the foundation ditch
(8) on;Penetrate the strengthening nail that the reinforcing fixed plate (7) also is provided with the reinforcing fixed plate (7) being fixed on ground (8)
(2)。
5. a kind of foundation ditch soil-baffling structure according to claim 1, it is characterised in that the lower end of the breast boards (1) is deep
Enter the foundation ditch bottom surface (12) to set.
6. a kind of foundation ditch soil-baffling structure according to claim 1, it is characterised in that described breast boards (1) is provided with branch
Strut (10), one end of the support bar (10) is fixed on the breast boards (1), and the other end of the support bar (10) is fixed
In the foundation ditch bottom surface (12);The support bar (10), which is fixed between one end of foundation ditch bottom surface (12) and breast boards (1), to be present
Distance, and support bar (10) and breast boards (1) bearing higher than foundation ditch bottom surface (12) setting.
7. a kind of foundation ditch soil-baffling structure according to claim 1, it is characterised in that the side wall of described strengthening nail (2)
Provided with multiple hangnail types reinforcing tooth (11), the hangnail type reinforcing tooth (11) is from the side of the strengthening nail (2) to the water
Mud chamber (3) opening is obliquely installed.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108411935A (en) * | 2018-03-15 | 2018-08-17 | 安徽理工大学 | A kind of novel breast boards |
CN109208615A (en) * | 2018-09-18 | 2019-01-15 | 山东大学 | A kind of groove notch supporting construction, construction method and groove pouring procedure |
CN110984168A (en) * | 2019-11-04 | 2020-04-10 | 中国一冶集团有限公司 | Combined foundation pit supporting pile structure |
CN112502161A (en) * | 2020-11-25 | 2021-03-16 | 武汉建工特种工程有限公司 | Deep foundation pit supporting system and construction method thereof |
CN114775687A (en) * | 2022-05-23 | 2022-07-22 | 中铁上海设计院集团有限公司 | Compensation type construction structure for underground engineering construction and construction method thereof |
-
2017
- 2017-02-18 CN CN201720148018.5U patent/CN206495217U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108411935A (en) * | 2018-03-15 | 2018-08-17 | 安徽理工大学 | A kind of novel breast boards |
CN109208615A (en) * | 2018-09-18 | 2019-01-15 | 山东大学 | A kind of groove notch supporting construction, construction method and groove pouring procedure |
CN110984168A (en) * | 2019-11-04 | 2020-04-10 | 中国一冶集团有限公司 | Combined foundation pit supporting pile structure |
CN110984168B (en) * | 2019-11-04 | 2022-03-22 | 中国一冶集团有限公司 | Combined foundation pit supporting pile structure |
CN112502161A (en) * | 2020-11-25 | 2021-03-16 | 武汉建工特种工程有限公司 | Deep foundation pit supporting system and construction method thereof |
CN114775687A (en) * | 2022-05-23 | 2022-07-22 | 中铁上海设计院集团有限公司 | Compensation type construction structure for underground engineering construction and construction method thereof |
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