CN209603113U - A kind of undercrossing tunnel frame bridge foundation-reinforcing device and constructing device - Google Patents
A kind of undercrossing tunnel frame bridge foundation-reinforcing device and constructing device Download PDFInfo
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- CN209603113U CN209603113U CN201822173001.2U CN201822173001U CN209603113U CN 209603113 U CN209603113 U CN 209603113U CN 201822173001 U CN201822173001 U CN 201822173001U CN 209603113 U CN209603113 U CN 209603113U
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- static pressure
- square pile
- pressure square
- frame bridge
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Abstract
This application provides a kind of undercrossing tunnel frame bridge foundation-reinforcing device and constructing device, for several static pressure square piles according to plum blossom formal distribution, the static pressure square pile horizontal layout form is plum blossom arrangement.Undercrossing tunnel frame bridge foundation-reinforcing device and constructing device provided by the present application solve in the prior art in frame because working space is limited, constructional difficulties, complex process, the problem of construction period is long, needs to be operated by external mechanical equipment, is unfavorable for Framed underpass bridge construction, the device has the design feature of flange plate by frame bridge itself, static pressure construction is flexible, pollution-free, and process for sinking is simple, does not use heavy mechanical equipment, practicability is stronger, and overall economic efficiency is preferable.
Description
Technical field
This application involves construction of railways engineering device technique field more particularly to a kind of undercrossing tunnel frame bridge foundation-reinforcing devices
And constructing device.
Background technique
In today of economic rapid development, modernization construction progress like a raging fire, China's urbanization degree is higher and higher, city
The scale in city is increasing.In newly-built road engineering, inevitably there is the problem of intersecting with existing railway, head under frame bridge and wear
Existing railway roadbed is at one of important method to solve this problem.However, the contradiction of urban construction and limited urban land
Increasingly sharpen, " on wear across under " engineering is frequently emerged in large numbers, and the Framed underpass bridge problem on the existing basis of proximity becomes the emphasis of research.Control
The deformation for making existing basis, guarantees the operation security of rail track, simultaneously, it is ensured that frame bridge structure is not damaged, be proximity both
The problem of having the design of Framed underpass bridge undercrossing tunnel, the construction on basis must be taken into consideration.
When the existing level crossing of railway is not able to satisfy road traffic and needs at present, friendship is generally leveled off using jacking constructed frame bridge
For grade separation or on across passing through, frame bridge enters when eating native jacking below railway bed, to avoid " pricking during Framed underpass bridge
Head " improves composite foundation bearing capacity under frame bridge, avoids the excessive influence railway operation safety of settlement after construction, therefore, need to be not
Under the premise of influence railway is normally driven a vehicle, basic soil layer is reinforced.
Currently, foundation stabilization is mostly using cast-in-situ bored pile, deep-mixed pile, powder-spray pile, static pressure grouting, high-pressure rotary-spray
Stake, pressure prefabricated pile etc..Cast-in-situ bored pile, deep-mixed pile, powder-spray pile, static pressure grouting, Construction of High Pressure Jet Grouting Pile reliable in quality, hold
It is big to carry power, but because working space is limited in frame, constructional difficulties, complex process, the construction period is long, needs by external machinery
Equipment is operated, and Framed underpass bridge construction is unfavorable for.
Utility model content
This application provides a kind of undercrossing tunnel frame bridge foundation-reinforcing device and constructing devices, to solve in the prior art
The problem of constructional difficulties in frame, complex process, the construction period is long, is unfavorable for Framed underpass bridge construction, the device and its construction
Method construction noise is small, pollution-free, and process for sinking is simple, and quality is easily controllable, and overall economic efficiency is preferable.
It is as follows that the application solves the technical solution that above-mentioned technical problem is taken:
A kind of undercrossing tunnel frame bridge foundation-reinforcing device, described device include several static pressure square piles, several static pressure
Square pile is distributed according to plum blossom form；Wherein,
The static pressure square pile includes the first static pressure square pile and at least one second static pressure square pile, the first static pressure square pile
End connects successively the second static pressure square pile.
Preferably, in above-mentioned undercrossing tunnel frame bridge foundation-reinforcing device, the first static pressure square pile and the second static pressure side
Stake be C30 concrete andReinforcing bar precast construction.
Preferably, in above-mentioned undercrossing tunnel frame bridge foundation-reinforcing device, the top of the first static pressure square pile is circular cone
Structure.
Preferably, in above-mentioned undercrossing tunnel frame bridge foundation-reinforcing device, the length of the first static pressure square pile is 1m, institute
The tail end section of the first static pressure square pile is stated having a size of 20cm*20cm, the length of the top conical structure of the first static pressure square pile
For 30cm；
The length of the second static pressure square pile is 1m, the sectional dimension 20cm*20cm of the second static pressure square pile.
Preferably, in above-mentioned undercrossing tunnel frame bridge foundation-reinforcing device, the distance of the adjacent static pressure square pile is 2m.
A kind of constructing device for undercrossing tunnel frame bridge foundation-reinforcing device, described device include flange plate, push pipe,
Jack and fork truck；
One end of the jack is used to support connection static pressure square pile, and push pipe support connects the flange plate and very heavy
Top, the fork truck is for fixing the push pipe.
Preferably, in the above-mentioned constructing device for undercrossing tunnel frame bridge foundation-reinforcing device, the constructing device is also
Including wedge-shaped adjusting block, the wedge shape adjusting block supports the push pipe for the flange plate.
The technical scheme provided by the application includes following advantageous effects:
A kind of undercrossing tunnel frame bridge foundation-reinforcing device and constructing device that technical scheme provides, pass through setting
Plum blossom form carries out distribution static pressure square pile, uses 2m square pile for a combining form, uses flange plate, push pipe, jack and fork
Vehicle installs square pile, and fork truck consolidates push pipe, has the design feature of flange plate by frame bridge itself, and static pressure is applied
Work is flexible, pollution-free, and process for sinking is simple, does not use heavy mechanical equipment, practicability is stronger, is conducive to Framed underpass bridge and applies
Work, overall economic efficiency is preferable, solves in the prior art in frame because working space is limited, constructional difficulties, complex process is applied
The problem of work is long in time limit, needs to be operated by external mechanical equipment, is unfavorable for Framed underpass bridge construction.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of static pressure square pile horizontal layout provided by the embodiments of the present application；
Fig. 2 is the structural schematic diagram of static pressure square pile provided by the embodiments of the present application；
Fig. 3 is the constructing device figure of undercrossing tunnel frame bridge foundation-reinforcing device provided by the embodiments of the present application；
Fig. 4 is the construction method flow chart of undercrossing tunnel frame bridge foundation-reinforcing device provided by the embodiments of the present application.
Description of symbols: 1- flange plate, 2- wedge shape adjusting block, 3- push pipe, 4- jack, the second square pile of 5-, 6- first
Square pile, 7- fork truck.
Specific embodiment
It is practical below in conjunction with this in order to make those skilled in the art more fully understand the technical solution in the utility model
Attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described；Obviously, institute
The embodiment of description is only a part of the embodiment of the utility model, instead of all the embodiments.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
The range of the utility model protection all should belong to.
Attached Fig. 1 and 2 shows the structure of undercrossing tunnel frame bridge foundation-reinforcing device provided by the embodiments of the present application and divides
Cloth form.Such as attached Fig. 1 and 2, undercrossing tunnel frame bridge foundation-reinforcing device provided by the embodiments of the present application, including several static pressure sides
Stake, several static pressure square piles are distributed according to plum blossom form.In the embodiment of the present application, each static pressure square pile includes first
Static pressure square pile 6 and several second static pressure square piles 5, i.e. static pressure square pile include at least two sections, such as 1 the first static pressure square pile 6 and 1 the
Two static pressure square piles 5；It can be more piece, such as three sections of first the second static pressure of static pressure square pile 6 and 2 square pile 5, in the application reality
It applies in example and is not specifically limited, can be selected according to actual needs.The end of first static pressure square pile 6 and the second static pressure square pile 5
It is sequentially connected, e.g., when static pressure square pile includes 1 first static pressure square pile 6 and 1 the second static pressure square pile 5, the second static pressure square pile 5
The upper end of first static pressure square pile 6 is set.
In undercrossing tunnel frame bridge foundation-reinforcing device in use, the first static pressure square pile 6 and the second static pressure square pile 5 need to protect
Plumbness is held, as shown in Figure 3.Static pressure square pile is more facilitated consolidated subsoil according to plum blossom form, wears iron under guarantee
The use of road frame bridge ground needs.
In the embodiment of the present application, the first static pressure square pile 6 and the second static pressure square pile 5 are concrete and the prefabricated knot of reinforcing bar
Structure.Optionally, the first static pressure square pile 6 and the second static pressure square pile 5 be C30 concrete andReinforcing bar precast construction.Select C30
Concrete andThe the first static pressure square pile 6 and the second static pressure square pile 5 of reinforcing bar precast construction help to ensure that the strong of static pressure square pile
Degree.But be not limited in the embodiment of the present application C30 concrete andReinforcing bar precast construction, can according to practical application request into
Row selection.
The top of first static pressure square pile 6 is conical structure.The cone tip of first static pressure square pile 6 is being that have in work progress
There is good guiding role, convenient for being quickly pressed into the first static pressure square pile 6 in ground during subsequent construction.
In the embodiment of the present application, preferably the first static pressure square pile 6 is identical with 5 length of the second static pressure square pile and cross section.
Such as, the length of the first static pressure square pile 6 is 1m, and tail end section is 30cm having a size of 20cm*20cm, the length of top conical structure；
The length of second static pressure square pile 5 is 1m, and the distance of sectional dimension 20cm*20cm, two adjacent groups static pressure square pile are 2m, according to plum blossom
Form is distributed, and specifically can refer to Fig. 1 and Fig. 2.
For installing and using convenient for undercrossing tunnel frame bridge foundation-reinforcing device provided by the embodiments of the present application, the application reality
It applies example and additionally provides a kind of constructing device of undercrossing tunnel frame bridge foundation-reinforcing device.With reference to attached drawing 3, the figure shows this Shens
Please embodiment provide undercrossing tunnel frame bridge foundation-reinforcing device constructing device basic structure.
As shown in Fig. 3, a kind of applying for undercrossing tunnel frame bridge foundation-reinforcing device provided by the embodiments of the present application
Tooling is set, including flange plate 1, push pipe 3, jack 4 and fork truck 7；
One end of jack 4 is used to support connection static pressure square pile, the support of push pipe 3 connection flange plate 1 and jack 4, fork truck 7
For fixing push pipe 3, wherein push pipe 3, jack 4, static pressure square pile center are maintained on a vertical line, are pushed up using 7 Duis of fork truck
Pipe 3 is fixed；Constructing device further includes wedge-shaped adjusting block 2, and wedge-shaped adjusting block 2 supports push pipe 3 for flange plate 1.
Based on the constructing device provided by the embodiments of the present application for undercrossing tunnel frame bridge foundation-reinforcing device, the application
Embodiment additionally provides a kind of construction method of undercrossing tunnel frame bridge foundation-reinforcing device.Attached drawing 4 is please referred to, the figure shows
The construction method of undercrossing tunnel frame bridge foundation-reinforcing device provided by the embodiments of the present application.
Specifically to be installed and used convenient for undercrossing tunnel frame bridge foundation-reinforcing device provided by the embodiments of the present application, this Shen
Please embodiment additionally provide a kind of construction method explanation of undercrossing tunnel frame bridge foundation-reinforcing device.With reference to attached drawing 4, the diagram
The construction method of undercrossing tunnel frame bridge foundation-reinforcing device provided by the embodiments of the present application is gone out.
As shown in Fig. 4, the construction method of undercrossing tunnel frame bridge foundation-reinforcing device provided by the embodiments of the present application, packet
Include following steps:
S01: according to several positions of default plum blossom formal notation.
S02: the first static pressure square pile 6 is pre-installed at each stake position, using fork truck 7 in the first static pressure square pile 6
End jack 4 and push pipe 3 be successively installed, the support of the push pipe 3 connection flange plate 1 and the jack 4, starting described thousand
4 static pressure of jin top head into installation the first static pressure square pile 6；
S03: the jack 4 and push pipe 3 are consolidated using the fork truck 7, pick oil return is pushed up, in the first static pressure square pile 6
End place the second static pressure square pile 5；
S04: start 4 static pressure of jack and head into installation the second static pressure square pile 5.
It is specific:
Before constructing first, the embedded ribs at flange plate 1 are needed, wedge-shaped adjusting block 2 is installed, it is then quincunx according to presetting
Formula marks several positions, and the distance between two adjacent groups static pressure square pile is 2m, and preparation carries out installation after completing；
The first static pressure square pile 6 is pre-installed at each position, including push pipe 3 and 1 junction of flange plate setting wedge shape are adjusted
Block 2, wedge-shaped adjusting block 2 support connecting jacking pipe 3 and flange plate 1；
The pit foundation that depth 30cm is excavated at each stake position, the top of the first static pressure square pile 6 is embedded in pit foundation vertically,
Jack 4 and push pipe 3, the support connection flange plate 1 and thousand of push pipe 3 are successively installed in the end of the first static pressure square pile 6 using fork truck 7
Jin top 4, starting 4 static pressure of jack head into the first static pressure square pile 6 of installation；Specifically auxiliary top iron is vertically mounted to fork truck 7
It pushes up above pick, top iron lower end is aligned with top pick, and top iron upper end is fixed on sidewalk's concrete lower edge；Sidewalk's coagulation
Soil should have enough intensity, and be not less than design requirement；The auxiliary installation push pipe 3 of fork truck 7, when use, need to adjust push pipe 3
Verticality, after pushing up pick stress, fork truck 7 is slightly loose to be opened, but not left；
Top pick is started after installation is fixed and carries out just top, is made each preliminary stress in connection component position, is examined the stress of each component of vehicle
Such as there is phenomena such as bias, displacement, should reinstall in situation；In the case that each component connection is without exception, continue to start top pick,
In the ground for keeping square pile indentation weak；Push pipe 3, jack 4 and the first static pressure square pile must be made to hang down at one in the construction process
On straight line；
After the completion of first static pressure square pile 6 heads into, jack 4 and push pipe 3 are consolidated using fork truck 7, pushes up pick oil return, it is quiet first
The end of square pile 6 is pressed to place the second static pressure square pile 5；
Jack 4 and push pipe 3, the support connection wing of push pipe 3 are successively installed in the end of the second static pressure square pile 5 using fork truck 7
Listrium 1 and jack 4, starting 4 static pressure of jack head into the second static pressure square pile 5 of installation, complete the static pressure process an of square pile；
After the completion of second static pressure square pile 5 heads into, it is in place to withdraw next square pile position to, is according to said method sequentially completed quiet with arranging
Press the construction of square pile.
In the prior art, foundation stabilization is mostly using cast-in-situ bored pile, deep-mixed pile, powder-spray pile, static pressure grouting, height
Pressure rotary-spraying stake, pressure prefabricated pile etc., such process requirement carries out constructing operation by external heavy mechanical equipment, implements in the application
Example in, there is the structure of flange plate 1 by means of frame bridge itself, required constructing device is installed using fork truck 7, do not need by
External heavy mechanical equipment, static pressure construction flexibly, have certain particularity.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
It should be understood that the application is not limited to the content for being described above and being shown in the accompanying drawings, and can
To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by the accompanying claims.
Claims (7)
1. a kind of undercrossing tunnel frame bridge foundation-reinforcing device, which is characterized in that described device includes several static pressure square piles, several
The static pressure square pile is distributed according to plum blossom form；Wherein,
The static pressure square pile includes the first static pressure square pile (6) and at least one second static pressure square pile (5), the first static pressure square pile
(6) end is sequentially connected the second static pressure square pile (5).
2. undercrossing tunnel frame bridge foundation-reinforcing device according to claim 1, which is characterized in that the first static pressure side
Stake (6) and the second static pressure square pile (5) be C30 concrete withReinforcing bar precast construction.
3. undercrossing tunnel frame bridge foundation-reinforcing device according to claim 1, which is characterized in that the first static pressure side
The top of stake (6) is conical structure.
4. undercrossing tunnel frame bridge foundation-reinforcing device according to claim 3, which is characterized in that the first static pressure side
The length of stake (6) is 1m, and the tail end section of the first static pressure square pile (6) is having a size of 20cm*20cm, the first static pressure square pile
(6) length of top conical structure is 30cm；
The length of the second static pressure square pile (5) is 1m, the sectional dimension 20cm*20cm of the second static pressure square pile (5).
5. undercrossing tunnel frame bridge foundation-reinforcing device according to claim 1, which is characterized in that the adjacent static pressure side
The distance of stake is 2m.
6. a kind of constructing device for undercrossing tunnel frame bridge foundation-reinforcing device, which is characterized in that described device includes the wing
Listrium (1), push pipe (3), jack (4) and fork truck (7)；
One end of the jack (4) is used to support connection static pressure square pile, and push pipe (3) support connects the flange plate (1)
With jack (4), the fork truck (7) is for fixing the push pipe (3).
7. the constructing device according to claim 6 for undercrossing tunnel frame bridge foundation-reinforcing device, which is characterized in that
The constructing device further includes wedge-shaped adjusting block (2), and the wedge shape adjusting block (2) supports the top for the flange plate (1)
It manages (3).
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| CN201822173001.2U CN209603113U (en) | 2018-12-24 | 2018-12-24 | A kind of undercrossing tunnel frame bridge foundation-reinforcing device and constructing device |
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|---|---|---|---|
| CN201822173001.2U CN209603113U (en) | 2018-12-24 | 2018-12-24 | A kind of undercrossing tunnel frame bridge foundation-reinforcing device and constructing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403309A (en) * | 2018-12-24 | 2019-03-01 | 中交路桥北方工程有限公司 | A kind of undercrossing tunnel frame bridge foundation-reinforcing device, constructing device and construction method |
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- 2018-12-24 CN CN201822173001.2U patent/CN209603113U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403309A (en) * | 2018-12-24 | 2019-03-01 | 中交路桥北方工程有限公司 | A kind of undercrossing tunnel frame bridge foundation-reinforcing device, constructing device and construction method |
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