CN207512620U - Pile foundation of bridge pier ruggedized construction - Google Patents
Pile foundation of bridge pier ruggedized construction Download PDFInfo
- Publication number
- CN207512620U CN207512620U CN201721614743.3U CN201721614743U CN207512620U CN 207512620 U CN207512620 U CN 207512620U CN 201721614743 U CN201721614743 U CN 201721614743U CN 207512620 U CN207512620 U CN 207512620U
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- CN
- China
- Prior art keywords
- pile foundation
- reinforced plastic
- steel
- glass fibre
- fibre cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of Strengthening of Bridge Pile Foundation structure, it includes pier stud and former binder, pier stud position in consolidated subsoil is pile foundation, there are one the cushion caps of reinforced concrete structure for setting around the pile foundation, it is linked into an integrated entity between the cushion cap and pile foundation by steel reinforcement cage, multiple steel-pipe piles are extended downwardly out in the cushion cap, upper end and the cushion cap one of the steel-pipe pile, the steel-pipe pile lower end is inserted into ground and forms mud jacking layer in the lower end of steel-pipe pile.The Strengthening of Bridge Pile Foundation structure that the utility model is announced for simplifying arrangement and method for construction on the basis of disease disposition requirement is met, reduces project scale and investment, and pile foundation bearing capacity has obtained further being promoted.
Description
Technical field
The utility model is related to pile foundation reinforcement technical field, specifically a kind of pile foundation of bridge pier ruggedized construction.
Background technology
Situation that there are mainly two types of pile foundation of bridge pier Common Diseases, the first, in bridge during one's term of military service, riverbed punching month after month throughout the year
Brush, so as to cause pile foundation bearing capacity deficiency, requires supplementation with ground at this time so that effective length reduction；Second, river water washes away
Bridge pier surface concrete is caused to collapse so that reinforcing bar is exposed, it is exposed after reinforcing bar oxidation corrosion, it is dangerous to aggravate bridge pier so that bridge
The bearing capacity of pier declines.
Above-mentioned two classes disease often occurs simultaneously in Practical Project, according to traditional Scheme of Strengthening, for example, using brick
Structure is piled up around pile foundation using brick, synchronous matching concrete construction, then needs to be carried out at the same time reinforced concrete fortifield village
Pile foundation is reinforced and increased to hoop, cushion cap is reinforced, and project scale is big, investment is high.
Applicant obtains a kind of method of rapid reinforcement by research thus.
Utility model content
The utility model proposes a kind of pile foundation of bridge pier ruggedized constructions, provide a kind of novel pile foundation reinforcement scheme, meet disease
Harm is used to simplify arrangement and method for construction on the basis of putting requirement, reduces project scale and investment.
Technical solution is used by the utility model solves its technical problem：
Pile foundation of bridge pier ruggedized construction, goes along with sb. to guard him around pile foundation, which is characterized in that including being located at pile foundation position to be reinforced
Reinforced plastic glass fibre cover, the reinforced plastic glass fibre cover are multiple and enclosing and pile foundation surrounding, are used between reinforced plastic glass fibre cover two-by-two
Spiral connects, and helix tube, the sky between the reinforced plastic glass fibre cover and pile foundation are connected on the reinforced plastic glass fibre cover bottom plate
The concrete and steel reinforcement cage of interior filling, the helix tube lower end are embedded in the screed in soil.
The reinforced plastic glass fibre cover inner surface is provided with reinforcing bar fixed card slot.
The helix tube is clamped by the U-shaped card slot being arranged on reinforced plastic glass fibre cover bottom plate.
The beneficial effects of the utility model are：
This ruggedized construction is convenient for civil construction operation, and operation process need not install installation form, be that a kind of non-dismantling formwork is applied
Work technology.Reinforced plastic glass fibre cover has the function of template, serves as formwork for placing, forms non-dismantling formwork technology, has easy for construction
Property.
Reinforced plastic glass fibre cover has good anti-corrosion effect, can be on active service in water for a long time, avoid corrosional coagulation
Native strength reduction.The effect of the utility model is further explained with reference to embodiment.
Description of the drawings
Fig. 1 is the elevation of the utility model.
Fig. 2 is the stereogram of helix tube.
Fig. 3 is reinforced plastic glass fibre cover stereogram.
Fig. 4 is reinforced plastic glass fibre cover vertical view.
Fig. 5 is construction process figure.
In figure：100 pile foundations, 200 dozens of helix tubes, 210 mortar blocks, 300 reinforced plastic glass fibre covers, 310 bottom plates, 311U shape cards
Slot, 312 reinforcing bar fixed card slots, 320 side plates, 400 casting concretes.
Specific embodiment
As shown in Figures 1 to 4, for existing defect, the present embodiment proposes solution below：
Pile foundation of bridge pier ruggedized construction, specific reinforcement means step are as follows
(1) preparation of construction
This stage is mainly builder's road construction, around pile foundation 100 (in the root of pier stake) place cleaning, be the next stage
Pile foundation reinforcement construction offer condition.
(2) helix tube 200 is broken
Determine helix tube pile driving position, it is deep that helix tube is driven into design by way of spiral press-in using mechanical equipment
Degree.Wherein, helix tube has been internally provided with grouting channel, and the lower end of helix tube is provided with grout hole.
(3) pigging
Helix tube should carry out pigging immediately after squeezing into place.High-pressure water pipe can be used and be inserted into progress water filling scarfing cinder in steel pipe,
Water injection pressure is discharged with that can will design stake bottom slag specimen as standard.
(4) fixation of reinforced plastic glass fibre cover 300
To form a complete cover after two semicircular reinforced plastic glass fibre covers combinations, two reinforced plastic glass fibre covers it
Between fastened using bolt, which includes the bottom plate 310 of annular and the side plate 320 of annular, and bottom plate and side plate that
This is vertical, and a concreting space is formed between bottom plate, side plate and bridge pier.
U-shaped card slot 311 is provided on bottom plate 310, helix tube upper end is fixed by U-shaped card slot, after fixed,
Assembling reinforcement in reinforced plastic glass fibre cover, reinforced plastic glass fibre cover inner surface are provided with reinforcing bar fixed card slot 312, reinforcing bar are facilitated to position,
Form strap-on structure,
(5) mud jacking (being tested containing mud jacking)
Live mud jacking experiment should be carried out before mud jacking, to determine the technical parameters such as pressure, slip casting proportioning, grouting pressure.
Mud jacking construction is carried out according to the technical parameter that field test determines.After the maintenance of a couple of days, slurry is in helix tube
200 bottoms carry out solidification and form mortar block 210, improve ground into intensity, especially improve the support strength of spiral bottom of the tube.
(6) casting concrete
The casting concrete 400 inside the reinforced plastic glass fibre cover where steel reinforcement cage forms a circular coagulation after maintenance
Native protective cover.And reinforced plastic glass fibre cover has the function of waterproof anti-corrosion in itself, and internal concrete can be protected.
Technological process is with reference to figure 5.
Based on the description above, the ruggedized construction of bridge pile foundation provided by the utility model is as follows：
Pier stud and former binder, the pile foundation of wherein pier stud lower end are arranged in river ground, shape around the pile foundation in ground
Protected into a concrete protection pier, and by reinforced plastic glass fibre cover, wherein, the dead weight of concrete protection pier by downside spiral shell
Coil undertakes, and helix tube upper end is embedded in concrete protection pier, and lower end is inserted in screed, and all concrete protection piers exist
A concrete casing is formed around pile foundation, original pile foundation and bridge pier can be protected, river water is avoided to continue to impact
Original pile foundation forms existing pile foundation and protects.
The work progress of the utility model, so omitting model sheetinstallat and removing operation technique, is improved not using template
Construction efficiency.
Reinforced plastic glass fibre plate plays a dual role of formwork for placing and later stage protection, and has to internal casting concrete
Long-Term Protection improves service life.
Helix tube helix tube can be driven underground using smaller power, and form multiple spot after being in the milk convenient for construction
Support, is supported the concrete of top so that concrete protection pier does not generate the relations of dependence to existing pile foundation in itself, not right
Original pile generates gravity and adds, and mitigates bridge pier load.
Reinforced plastic glass fibre cover is bonded using glass fibre and binder resin, also referred to as fiberglass reinforced plastics.It makes
Shell-like structure can bear tensile stress and bearing and be bent, compress and shear stress.This just constitutes glass fiber reinforcement
Plastic base composite material.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
Novel range is defined, and under the premise of the spirit of the design of the utility model is not departed from, relevant technical staff in the field is to this
The various modifications of utility model and improvement should all expand as determined by the utility model claims book in protection domain.
Claims (3)
1. pile foundation of bridge pier ruggedized construction, goes along with sb. to guard him around pile foundation, which is characterized in that including being located at the glass at pile foundation position to be reinforced
Glass steel fibre cover, the reinforced plastic glass fibre cover are multiple and enclosing and pile foundation surrounding, use spiral shell between reinforced plastic glass fibre cover two-by-two
Rotation connection, is connected with helix tube, the space between the reinforced plastic glass fibre cover and pile foundation on the reinforced plastic glass fibre cover bottom plate
The concrete and steel reinforcement cage of interior filling, the helix tube lower end are embedded in the screed in soil.
2. pile foundation of bridge pier ruggedized construction according to claim 1, which is characterized in that the reinforced plastic glass fibre cover inner surface is set
It is equipped with reinforcing bar fixed card slot.
3. pile foundation of bridge pier ruggedized construction according to claim 1, which is characterized in that the helix tube is by being arranged on glass
U-shaped card slot clamping on steel fibre cover bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721614743.3U CN207512620U (en) | 2017-11-28 | 2017-11-28 | Pile foundation of bridge pier ruggedized construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721614743.3U CN207512620U (en) | 2017-11-28 | 2017-11-28 | Pile foundation of bridge pier ruggedized construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207512620U true CN207512620U (en) | 2018-06-19 |
Family
ID=62541830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721614743.3U Expired - Fee Related CN207512620U (en) | 2017-11-28 | 2017-11-28 | Pile foundation of bridge pier ruggedized construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207512620U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322893A (en) * | 2018-12-12 | 2019-02-12 | 保定华铁电气化供电器材设备有限公司 | A kind of bolt anti-corrosion protective device |
| CN111705553A (en) * | 2020-05-20 | 2020-09-25 | 安徽浦进轨道装备有限公司 | Vehicle track supporting component |
| RU2808966C1 (en) * | 2023-04-21 | 2023-12-05 | Общество с ограниченной ответственностью "НПП СК МОСТ" | Method for strengthening bridge supports |
-
2017
- 2017-11-28 CN CN201721614743.3U patent/CN207512620U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322893A (en) * | 2018-12-12 | 2019-02-12 | 保定华铁电气化供电器材设备有限公司 | A kind of bolt anti-corrosion protective device |
| CN111705553A (en) * | 2020-05-20 | 2020-09-25 | 安徽浦进轨道装备有限公司 | Vehicle track supporting component |
| CN111705553B (en) * | 2020-05-20 | 2021-11-02 | 安徽浦进轨道装备有限公司 | Vehicle track supporting component |
| RU2808966C1 (en) * | 2023-04-21 | 2023-12-05 | Общество с ограниченной ответственностью "НПП СК МОСТ" | Method for strengthening bridge supports |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20181128 |