CN206655225U - A kind of pile foundation back-pressure concrete guard wall construction auxiliary device - Google Patents
A kind of pile foundation back-pressure concrete guard wall construction auxiliary device Download PDFInfo
- Publication number
- CN206655225U CN206655225U CN201720305912.9U CN201720305912U CN206655225U CN 206655225 U CN206655225 U CN 206655225U CN 201720305912 U CN201720305912 U CN 201720305912U CN 206655225 U CN206655225 U CN 206655225U
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- China
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- plate
- semicircular arc
- arc steel
- steel plate
- fixed
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Abstract
The utility model discloses a kind of pile foundation back-pressure concrete guard wall construction auxiliary device, including steel pile casting and the tapered cap that is fixed at the top of steel pile casting, steel pile casting are surrounded by two blocks of semicircular arc steel plates, respectively the first semicircular arc steel plate and the second semicircular arc steel plate；The both sides end face of first semicircular arc steel plate has been respectively fixedly connected with first connecting portion, the both sides end face of second semicircular arc steel plate has been respectively fixedly connected with second connecting portion, the first bolt hole is provided with first connecting portion, the second bolt hole is provided with second connecting portion, bolt is connected between the first bolt hole and the second bolt hole.The utility model have it is safe and reliable, economical, conveniently, it is applied widely the advantages of, there is good practicality and market application value.
Description
Technical field
Piling Technology field is the utility model is related to, constructs and aids in particular to a kind of pile foundation back-pressure concrete guard wall
Device.
Background technology
Its reliable in quality of concrete-pile gene, construction technology is ripe, and ground adaptability is strong, and bearing capacity is good, extensively should
For all kinds of foundation engineerings.During the drilling construction of concrete pipe base, by underground water, rock crushing weathering, underground mud
And the influence factor such as indefinite weak soil interlayer, a variety of possible situations be present causes collapse hole, and collapse hole situation is shadow
The key of pile foundation pore-forming and quality assurance is rung, also directly governs efficiency of construction and the cost control of pile foundation.For pile foundation construction
The collapse hole problem of process, at present using the structure fabrication pile holes protecting wall of back-pressure concrete, prevent collapse hole, but back-pressure concrete
Groundwater increment it is big, rig resistance is big during follow-up retaining wall is formed, and has both caused the increase of construction cost, also not green ring
Protect；And the height of back-pressure retaining wall is small, construction limitation is big.
Utility model content
The purpose of this utility model seeks to the deficiency for solving above-mentioned background technology, there is provided a kind of simple in construction, construction party
And the low pile foundation back-pressure concrete guard wall construction auxiliary device of construction cost just,.
In order to achieve this, the pile foundation back-pressure concrete guard wall construction auxiliary device designed by the utility model, its feature
It is：Including steel pile casting and the tapered cap being fixed at the top of steel pile casting, the steel pile casting is surrounded by two blocks of semicircular arc steel plates, point
Wei not the first semicircular arc steel plate and the second semicircular arc steel plate；The both sides end face of the first semicircular arc steel plate is fixed respectively
First connecting portion is connected with, the both sides end face of the second semicircular arc steel plate has been respectively fixedly connected with second connecting portion, described
The first bolt hole is provided with first connecting portion, the second bolt hole, first bolt hole and are provided with the second connecting portion
Bolt is connected between two bolts hole.
Specifically, the top surface of the top surface of the first semicircular arc steel plate and the second semicircular arc steel plate is respectively along respective
Cambered surface direction be interval with multiple diplopore otic placodes, the bottom of the tapered cap is circumferentially provided with multiple ears corresponding with diplopore otic placode
Plate positioning hole, the diplopore otic placode coordinates through otic placode positioning hole is fixed with shackle, and diplopore otic placode bottom is fixed in the shackle
Lug plate holes in.
Specifically, the first connecting portion includes the first plane for being fixedly connected on the first semicircular arc steel plate both sides end face
Plate and it is fixed on the first surface plate, towards the first L-type plate on the inside of steel pile casting, the first L-type plate includes and the first plane
The first vertical connecting plate of plate and the second vertical with the first connecting plate and parallel with the first surface plate connecting plate, first spiral shell
Keyhole is spaced apart on the length direction of the second connecting plate；The second connecting portion includes being fixedly connected on the second semicircular arc
Second surface plate of steel plate both sides end face and it is fixed on the second surface plate, towards the second L-type plate on the inside of steel pile casting, described the
Two L-type plates include threeth connecting plate vertical with the second surface plate and vertical and parallel with the second surface plate with the 3rd connecting plate
4th connecting plate, second bolt hole are spaced apart on the length direction of the 4th connecting plate.
Preferably, stiffener, the 3rd connecting plate are fixedly connected between first connecting plate and the first surface plate
Stiffener is also fixedly connected between the second surface plate.
Further, being respectively equipped with the first semicircular arc steel plate and the second semicircular arc steel plate makes the first semi arch
The first expansion and cotraction regulator that shape steel plate is expanded to both sides and the second telescopic adjustment for making the second semicircular arc steel plate be expanded to both sides
Device.
Specifically, first expansion and cotraction regulator includes the screw rod being fixed on the both sides inwall of the first semicircular arc steel plate
Fixed seat, is fixed with screw rod in the screw holder, between the end of the screw rod of the both sides of the first semicircular arc steel plate
Inner screw sheath is connected with, the action bars axially vertical with it is fixed with the inner screw sheath；The second expansion and cotraction regulator bag
The screw holder being fixed on the both sides inwall of the second semicircular arc steel plate is included, screw rod is fixed with the screw holder,
Inner screw sheath is connected between the screw rod end of the both sides of the first semicircular arc steel plate, be fixed with the inner screw sheath with
Its axially vertical action bars.
Further, inner support is fixed with the steel pile casting, between first surface plate and the second surface plate
Sealing cloth is fixed with gap, the bottom of the steel pile casting is blade support feet, and the blade support feet is from bottom to top
Thickness increase successively, have acclive steel plate structure.
The beneficial effects of the utility model are：1. safety：Collapse hole risk can be eliminated in advance, simultaneously for collapse hole processing, nothing
Need worker's lower opening, working security is good.It is 2. reliable：Structure meets construction stress requirement.It is 3. economical：Installation cost is low, repeats
Utilize, and save the usage amount of back-pressure concrete, reduce the time of rig drilling, reduce construction cost.4. facilitate：Device
It is assembled in outside pile foundation hole and completes, transverse and longitudinal width adjustment can be achieved, it is easy for installation.It is 5. applied widely：Both applicable pile foundation hole
Shallow-layer is easily caved in the preventing and treating and processing of section, and also applicable deep layer is easily caved in the processing of section.
Brief description of the drawings
Fig. 1 is the top view of steel pile casting in the utility model；
Fig. 2 is the structural representation of the first semicircular arc steel plate junction in the utility model；
Fig. 3 is the structural representation of expansion and cotraction regulator in the utility model；
Fig. 4 is the structural representation that the utility model middle auxiliary device is arranged in pile foundation hole；
Fig. 5 is the schematic enlarged-scale view at A in Fig. 4；
Fig. 6 is the schematic enlarged-scale view at B in Fig. 4；
Wherein 1-steel pile casting (the 1.1-the first semicircular arc steel plate, the 1.2-the second semicircular arc steel plate), 2-tapered cap,
3-the first bolt hole, the 4-the second bolt hole, 5-bolt, 6-diplopore otic placode, 7-otic placode positioning hole, 8-shackle, 9-the first
Surface plate, the 10-the first L-type plate (the 10.1-the first connecting plate, the 10.2-the second connecting plate), the 11-the second surface plate, 12-the
Two L-type plates (the 12.1-the three connecting plate, the 12.2-the four connecting plate), 13-stiffener, the 14-the first expansion and cotraction regulator, 15-
Second expansion and cotraction regulator, 16-screw holder, 17-screw rod, 18-inner screw sheath, 19-action bars, 20-inner support,
21-blade support feet, 22-pile foundation hole, 23-back-pressure concrete, 24-sealing cloth.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Pile foundation back-pressure concrete guard wall construction auxiliary device as shown in Fig. 1-6, including steel pile casting 1 protect with steel is fixed on
The tapered cap 2 at the top of cylinder 1, steel pile casting 1 surrounds by two blocks of semicircular arc steel plates, respectively the first semicircular arc steel plate 1.1 and the
Two semicircular arc steel plates 1.2；The both sides end face of first semicircular arc steel plate 1.1 has been respectively fixedly connected with first connecting portion, and first
Connecting portion includes the first surface plate 9 for being fixedly connected on the both sides end face of the first semicircular arc steel plate 1.1 and is fixed on the first plane
Connect on plate 9, towards the first L-type plate 10 of the inner side of steel pile casting 1, the first L-type plate 10 including vertical with the first surface plate 9 first
Fishplate bar 10.1 and with 10.1 the second vertical and parallel with the first surface plate 9 connecting plate 10.2 of the first connecting plate, the first connecting plate
10.1 and first are fixedly connected with stiffener 13 between surface plate 9, and the first bolt hole 3 is spaced apart located at the second connecting plate 10.2
On length direction.
The both sides end face of second semicircular arc steel plate 1.2 has been respectively fixedly connected with second connecting portion, and second connecting portion includes
It is fixedly connected on the second surface plate 11 of the both sides end face of the second semicircular arc steel plate 1.2 and is fixed on the second surface plate 11, court
To the second L-type plate 12 of the inner side of steel pile casting 1, the second L-type plate 12 includes threeth connecting plate 12.1 vertical with the second surface plate 11
With with 12.1 the 4th vertical and parallel with the second surface plate 11 connecting plate 12.2 of the 3rd connecting plate, the 3rd connecting plate 12.1 and
Also stiffener 13 is fixedly connected between two surface plates 11, the second bolt hole 4 is spaced apart the length located at the 4th connecting plate 12.2
On direction.
Bolt 5 is connected between first bolt hole 3 and the second bolt hole 4.
The top surface of the top surface of first semicircular arc steel plate 1.1 and the second semicircular arc steel plate 1.2 is respectively along respective cambered surface
Direction is interval with multiple diplopore otic placodes 6, and the bottom of tapered cap 2 is circumferentially provided with multiple to be positioned with 6 corresponding otic placode of diplopore otic placode
Hole 7, diplopore otic placode 6 coordinates through otic placode positioning hole 7 is fixed with shackle 8, and the lug plate holes of the bottom of diplopore otic placode 6 are fixed in shackle 8
It is interior.
Being respectively equipped with first semicircular arc steel plate 1.1 and the second semicircular arc steel plate 1.2 makes the first semicircular arc steel plate
1.1 the first expansion and cotraction regulators 14 expanded to both sides and the second flexible tune for making the second semicircular arc steel plate 1.2 be expanded to both sides
Save device 15.First expansion and cotraction regulator 14 includes the screw holder being fixed on the both sides inwall of the first semicircular arc steel plate 1.1
16, screw rod 17 is fixed with screw holder 16, is connected between the end of the screw rod 17 of the both sides of the first semicircular arc steel plate 1.1
There is inner screw sheath 18, the action bars 19 axially vertical with it is fixed with inner screw sheath 18；Second expansion and cotraction regulator 15 includes solid
Screw holder 16 on the both sides inwall of the second semicircular arc steel plate 1.2, screw rod 17 is fixed with screw holder 16,
Inner screw sheath 18 is connected between the end of screw rod 17 of the both sides of first semicircular arc steel plate 1.1, is fixed with inner screw sheath 18
The action bars 19 axially vertical with it.
Inner support 20 is fixed with steel pile casting 1, is fixed with only in the gap between the first surface plate 9 and the second surface plate 11
(sealing cloth 24 has only slurry effect and can reach the effect of complete sealing water cloth 24, avoids water or slurry from producing steel pile casting 1 dry
Disturb), the bottom of steel pile casting 1 is blade support feet 21, and blade support feet 21 increases, had for the thickness from bottom to top successively
The steel plate structure of the gradient.
Based on the construction method of above-mentioned pile foundation back-pressure concrete guard wall construction auxiliary device, comprise the following steps：
1), pile foundation boring is carried out using drill bit 10~20cm bigger than Pile Foundations Design size rig to operate to pile foundation pre-determined bit
Postpone withdraw rig (if rig carry out pile foundation boring operation after, it is small using the internal diameter of steel pile casting 1 when there is collapse hole in pile foundation hole 22
In the auxiliary mould of collapse hole diameter, complete it is assembled and in the external coating releasing agent of steel pile casting 1, and by loop wheel machine by auxiliary mould
Lifting to collapse hole bottom and it is basicly stable after, sky that perfusion back-pressure concrete 23 is filled up between steel pile casting 1 and the hole wall of pile foundation hole
Gap, auxiliary mould is integrally hung out before and after back-pressure concrete 23 reaches the time point of initial set, last rig disposably bores and removes stake
Back-pressure concrete 23 in base intended diameter).
2), using the internal diameter of steel pile casting 1 and Pile Foundations Design diameter identical auxiliary mould, and assembly is completed, and passes through loop wheel machine
Back-pressure concrete 23 is irrigated after auxiliary mould is lifted to the bottom of pile foundation hole 22, reaches the time of initial set in back-pressure concrete 23
Auxiliary mould is integrally hung out before and after point, treats that back-pressure concrete 23 is solidified (when the length of pile foundation hole 22 exceeds the steel of auxiliary mould
During casing 1, after the back-pressure concrete 23 irrigated first solidifies, auxiliary mould is sling by loop wheel machine, is positioned over and irrigates first
Back-pressure concrete 23 top, and 0.5~1m is overlapped with the retaining wall of the back-pressure concrete 23 irrigated first, then in backman
Fill the state being lifted and carry out second of perfusion back-pressure concrete practices, last rig is disposably bored except in Pile Foundations Design diameter
Back-pressure concrete 23).
In the utility model, preventing and treating section of easily being caved in for stake holes shallow-layer：The diameter that steel pile casting 1 uses and Pile Foundations Design diameter
It is identical.Steel pile casting 1 is fulfiled ahead of schedule with the spelling of tapered cap 2 so as to form servicing unit, rig is used than Pile Foundations Design chi first
Very little about 10~20cm drill bit is crept into precalculated position and withdraws rig, and the device then is positioned over into a bottom, perfusion successively
Back-pressure concrete 23, the device is integrally hung out before and after back-pressure concrete 23 reaches the time point of initial set, be finally completed coagulation
The construction of native retaining wall；
For shallow-layer and deep layer collapse hole processing section：The size that steel pile casting 1 uses is less than pile foundation drilling diameter, specifically with collapse hole
Situation is defined.Steel pile casting 1 is fulfiled ahead of schedule with the spelling of tapered cap 2 so as to form servicing unit, the device is then placed in landslide
Bottomed out in stake holes and basicly stable, perfusion back-pressure concrete 23 fills up collapse hole section space, before back-pressure concrete 23 reaches initial set
The device is integrally hung out, rig bores except the back-pressure concrete 23 in collapse hole processing section design stake footpath, is finally completed concrete shield
The construction of wall.
The utility model have it is simple in construction, reliable, it is easy for installation, to the easy collapse hole section of shallow-layer, eliminated by advanced processing
Collapse hole risk, the expense of collapse hole processing is not only eliminated, has also ensured engineering construction progress, for collapse hole processing section, reduced
The dosage of concrete avoids worker lower opening and carries out sump remedy so as to improve construction safety so as to save construction cost
Property, while processing speed there has also been larger lifting.
It is described above, only it is preferred embodiment of the present utility model, not structure of the present utility model is done any
Formal limitation.Every any simple modification made according to the technical essence of the utility model to above example, it is equal
Change and modification, in the range of still falling within the technical solution of the utility model.
Claims (7)
- A kind of 1. pile foundation back-pressure concrete guard wall construction auxiliary device, it is characterised in that：Including steel pile casting (1) and it is fixed on steel shield Tapered cap (2) at the top of cylinder (1), the steel pile casting (1) are surrounded by two blocks of semicircular arc steel plates, respectively the first semicircular arc steel Plate (1.1) and the second semicircular arc steel plate (1.2)；The both sides end face of the first semicircular arc steel plate (1.1) is fixed respectively to be connected First connecting portion is connected to, the both sides end face of the second semicircular arc steel plate (1.2) has been respectively fixedly connected with second connecting portion, institute State and the first bolt hole (3) is provided with first connecting portion, the second bolt hole (4), first spiral shell are provided with the second connecting portion Bolt (5) is connected between keyhole (3) and the second bolt hole (4).
- A kind of 2. pile foundation back-pressure concrete guard wall construction auxiliary device as claimed in claim 1, it is characterised in that：Described first The top surface of the top surface of semicircular arc steel plate (1.1) and the second semicircular arc steel plate (1.2) is respectively along respective cambered surface direction interval Provided with multiple diplopore otic placodes (6), the bottom of the tapered cap (2) is circumferentially provided with multiple otic placodes corresponding with diplopore otic placode (6) and determined Position hole (7), the diplopore otic placode (6) coordinates through otic placode positioning hole (7) is fixed with shackle (8), and the shackle (8) is fixed on double In the lug plate holes of hole otic placode (6) bottom.
- A kind of 3. pile foundation back-pressure concrete guard wall construction auxiliary device as claimed in claim 1, it is characterised in that：Described first Connecting portion includes being fixedly connected on first surface plate (9) of first semicircular arc steel plate (1.1) both sides end face and is fixed on first Include and the first plane on surface plate (9), towards the first L-type plate (10) on the inside of steel pile casting (1), the first L-type plate (10) Vertical the first connecting plate (10.1) of plate (9) and vertical with the first connecting plate (10.1) and parallel with the first surface plate (9) the Two connecting plates (10.2), first bolt hole (3) are spaced apart on the length direction of the second connecting plate (10.2)；The second connecting portion includes being fixedly connected on second surface plate (11) of second semicircular arc steel plate (1.2) both sides end face Be fixed on the second surface plate (11), towards the second L-type plate (12) on the inside of steel pile casting (1), the second L-type plate (12) bag Include threeth connecting plate (12.1) vertical with the second surface plate (11) and it is vertical with the 3rd connecting plate (12.1) and with the second plane The 4th parallel connecting plate (12.2) of plate (11), second bolt hole (4) are spaced apart the length located at the 4th connecting plate (12.2) Spend on direction.
- A kind of 4. pile foundation back-pressure concrete guard wall construction auxiliary device as claimed in claim 3, it is characterised in that：Described first It is fixedly connected with stiffener (13) between connecting plate (10.1) and the first surface plate (9), the 3rd connecting plate (12.1) and the Also stiffener (13) is fixedly connected between two surface plates (11).
- A kind of 5. pile foundation back-pressure concrete guard wall construction auxiliary device as claimed in claim 1, it is characterised in that：Described first Being respectively equipped with semicircular arc steel plate (1.1) and the second semicircular arc steel plate (1.2) makes the first semicircular arc steel plate (1.1) to two The first expansion and cotraction regulator (14) of side expansion and the second expansion and cotraction regulator for making the second semicircular arc steel plate (1.2) be expanded to both sides (15)。
- A kind of 6. pile foundation back-pressure concrete guard wall construction auxiliary device as claimed in claim 5, it is characterised in that：Described first Expansion and cotraction regulator (14) includes the screw holder (16) being fixed on the both sides inwall of the first semicircular arc steel plate (1.1), institute State and screw rod (17) is fixed with screw holder (16), the screw rod (17) of the both sides of the first semicircular arc steel plate (1.1) Inner screw sheath (18) is connected between end, the action bars axially vertical with it (19) is fixed with the inner screw sheath (18)； Second expansion and cotraction regulator (15) includes the screw holder being fixed on the both sides inwall of the second semicircular arc steel plate (1.2) (16) screw rod (17), the screw rod of the both sides of the first semicircular arc steel plate (1.1), are fixed with the screw holder (16) (17) inner screw sheath (18) is connected between end, the action bars axially vertical with it is fixed with the inner screw sheath (18) (19)。
- A kind of 7. pile foundation back-pressure concrete guard wall construction auxiliary device as claimed in claim 3, it is characterised in that：The steel shield Inner support (20) is fixed with cylinder (1), is fixed with only in the gap between first surface plate (9) and the second surface plate (11) Water cloth (24), the bottom of the steel pile casting (1) is blade support feet (21), and the blade support feet (21) is from bottom to top Thickness increase successively, have acclive steel plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720305912.9U CN206655225U (en) | 2017-03-27 | 2017-03-27 | A kind of pile foundation back-pressure concrete guard wall construction auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720305912.9U CN206655225U (en) | 2017-03-27 | 2017-03-27 | A kind of pile foundation back-pressure concrete guard wall construction auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206655225U true CN206655225U (en) | 2017-11-21 |
Family
ID=60316302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720305912.9U Withdrawn - After Issue CN206655225U (en) | 2017-03-27 | 2017-03-27 | A kind of pile foundation back-pressure concrete guard wall construction auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206655225U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836216A (en) * | 2017-03-27 | 2017-06-13 | 中交第二航务工程局有限公司 | A kind of pile foundation back-pressure concrete guard wall construction auxiliary device and its construction method |
| CN109958128A (en) * | 2019-04-01 | 2019-07-02 | 浙江交工路桥建设有限公司 | A kind of pile foundation boring steel pile casting and its recovery method being inserted into land-based area Deep Soil Layers |
| CN114351693A (en) * | 2022-03-02 | 2022-04-15 | 四川志德岩土工程有限责任公司 | Collapse hole underpinning device for rotary excavating cast-in-place pile and underpinning construction method |
-
2017
- 2017-03-27 CN CN201720305912.9U patent/CN206655225U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836216A (en) * | 2017-03-27 | 2017-06-13 | 中交第二航务工程局有限公司 | A kind of pile foundation back-pressure concrete guard wall construction auxiliary device and its construction method |
| CN109958128A (en) * | 2019-04-01 | 2019-07-02 | 浙江交工路桥建设有限公司 | A kind of pile foundation boring steel pile casting and its recovery method being inserted into land-based area Deep Soil Layers |
| CN109958128B (en) * | 2019-04-01 | 2024-02-27 | 浙江交工路桥建设有限公司 | Pile foundation drilling steel casing inserted into land deep soil layer and recovery method thereof |
| CN114351693A (en) * | 2022-03-02 | 2022-04-15 | 四川志德岩土工程有限责任公司 | Collapse hole underpinning device for rotary excavating cast-in-place pile and underpinning construction method |
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Granted publication date: 20171121 Effective date of abandoning: 20220705 |