CN205077402U - Reinforced structure of abutment - Google Patents
Reinforced structure of abutment Download PDFInfo
- Publication number
- CN205077402U CN205077402U CN201520875456.2U CN201520875456U CN205077402U CN 205077402 U CN205077402 U CN 205077402U CN 201520875456 U CN201520875456 U CN 201520875456U CN 205077402 U CN205077402 U CN 205077402U
- Authority
- CN
- China
- Prior art keywords
- former
- cushion cap
- bridge
- abutment
- newly
- Prior art date
- 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.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a reinforced structure of abutment for former abutment to the both ends that lie in the arched bridge is reinforced, former abutment includes the former body of a bridge, former cushion cap and former pile foundation the below construction of the former body of a bridge has former cushion cap, and it has former pile foundation to be under construction in the below of former cushion cap, the part is consolidated to first reinforcement subtotal second including locating two former abutment rear sides respectively, first reinforcement subtotal second consolidate the part all including newly -increasedly support, be under construction in increase the newly -increased cushion cap of the top surface of support stake newly and plant in the first reinforcing bar of the former cushion cap trailing flank at place, newly -increased cushion cap passes through first reinforcing bar with the trailing flank of former cushion cap is connected. Above -mentioned reinforced structure of abutment is simple, the reinforcement effect is obvious, has increased fastness, the security of bridge.
Description
Technical field
The utility model relates to a kind of ruggedized construction of abutment.
Background technology
The major bearing structures of arch bridge is arch ring or arch rib, and based on pressurized, under load action, bridge pier or abutment will bear horizontal thrust.If when bridge design completes, bridge pier and abutment have been constructed, before Superstructure Construction during the change of specification load requirement, the ability of abutment or bridge pier opposing horizontal thrust will no longer meet new criteria requirement, then need Abutment Reinforcement.If do not reinforce, so the load of bridge does not reach requirement, and in bridge use procedure from now on, the radian of arch bridge to pressing down, easily can be out of shape, and thus easily occurs quality, security incident, and so relevant unit and individual unavoidably will exist legal risk.For ensureing that bridge is safer after building up, durable, evading the relevant risk of entity and individual simultaneously, must require to carry out consolidation process to bridge abutment according to new criteria.
The Abutment Reinforcement method of tradition arch bridge has two kinds:
One, remove abutment, construct after redesign adjustment.Shortcoming: take a lot of work, time-consuming, expense material, reinforcement cost is high.
Two, batter piling, diagonal brace be set, thicken abutment concrete etc., thus expand unloading of abutment concrete horizontal thrust and put area.Shortcoming: difficulty of construction is large, and reinforcement cost is high.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: provide a kind of globality that can ensure former arch bridge structure, increases the safety of arch bridge, reduces the difficulty of strengthening construction simultaneously, reduce reinforcement cost, ensure the ruggedized construction of the abutment of strengthening quality.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is: the ruggedized construction providing a kind of abutment, for reinforcing the former abutment at the two ends being positioned at arch bridge, described former abutment comprises the former body of a bridge, former cushion cap and former pile foundation, in the below of the described former body of a bridge, construction has former cushion cap, in the below of former cushion cap, construction has former pile foundation, comprises and is located at the first footing on rear side of two former abutments and the second footing respectively; Described first footing and the second footing include newly-increased supporting pile, construct in the end face of described newly-increased supporting pile newly-increased cushion cap and plant the first reinforcing bar of the former cushion cap trailing flank in place, described newly-increased cushion cap is connected by the trailing flank of described first reinforcing bar with described former cushion cap.
As optimization, the end section that the end face of described former cushion cap is positioned at the former part at body of a bridge rear and the trailing flank of the former body of a bridge has also planted the second reinforcing bar, the main support section of the first cover part end face that described newly-increased cushion cap has a former cushion cap covering place being positioned at the part at former body of a bridge rear and the trailing flank being positioned at the first cover part, described first cover part is connected with the end section end face of described former cushion cap being positioned at the part at former body of a bridge rear and the trailing flank of the former body of a bridge by described second reinforcing bar; Described main support section is connected with the trailing flank of described former cushion cap by described first reinforcing bar.
As optimization, the end section that the end face of described former cushion cap is positioned at the position of the two sides of the former body of a bridge and the two sides of the former body of a bridge has also planted the 3rd reinforcing bar, the end face that described newly-increased cushion cap also has a former cushion cap covering place lays respectively at the second cover part of the part of the two sides of the former body of a bridge, and described second cover part is connected with the end section end face of described former cushion cap laying respectively at the part of the both sides of the former body of a bridge and the two sides of the former body of a bridge by the 3rd reinforcing bar.
As optimization, described first cover part, the second cover part all with described main support section one pour-shaping.
As optimization, the thickness of described main support section is greater than the thickness of the former cushion cap at place.
As optimization, the described former body of a bridge is the posterior U-shaped of opening.
As optimization, described newly-increased supporting pile is many, and many newly-increased supporting piles are arranged in the rear of the former cushion cap at place with the direction uniform intervals paralleled with the width of arch bridge.
No matter the ruggedized construction of abutment of the present utility model be hot work in progress bridge or reconstruction bridge, if not enough for the abutment opposing horizontal thrust of arch bridge time this ruggedized construction all can be adopted to reinforce.The opposing horizontal thrust of the abutment at arch bridge two ends can be increased (when namely vehicle travels on arch bridge bridge floor by first footing and the second footing of setting up symmetry at the two ends of arch bridge, the power being applied to bridge floor can make the two ends of arch bridge to abutment applied thrust to a certain extent, now, this thrust makes the radian of arch bridge strengthen, if when the anti-thrust of two abutments is poor, then whole arch bridge is easily made to be out of shape, to occur safety problem).This ruggedized construction does not destroy the globality of original structure, adds the anti-horizontal thrust of abutment, and make the globality of arch bridge, practicality and safety better, the difficulty of construction of this structure is little, and reinforcement cost is lower, and the quality of reinforcing is guaranteed.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the side schematic view of ruggedized construction one embodiment of the utility model abutment.
Fig. 2 is the top view that the ruggedized construction of one of them abutment of the utility model matches with corresponding former cushion cap.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the ruggedized construction of the abutment of the present embodiment, for reinforcing the former abutment at the two ends being positioned at arch bridge, described former abutment comprises the former body of a bridge 11, former cushion cap 12 and former pile foundation 13, in the below of the described former body of a bridge 11, construction has former cushion cap 12, in the below of former cushion cap 12, construction has former pile foundation 13, and described ruggedized construction comprises is located at the first footing on rear side of two former abutments and the second footing respectively; Described first footing and the second footing include newly-increased supporting pile 21, construct in the end face of described newly-increased supporting pile 21 newly-increased cushion cap 22 and plant the first reinforcing bar 23 of former cushion cap 12 trailing flank in place, described newly-increased cushion cap 22 is connected by the trailing flank of described first reinforcing bar 23 with described former cushion cap 12.
In the present embodiment, described former cushion cap 12 is square, and the described former body of a bridge 11 builds the end face in described former cushion cap 12, the posterior U-shaped structure in opening.The section of described former pile foundation 13 is circular, also can be square, same, and the section face of newly-increased supporting pile 21 can be circle and also can be square.The cross-sectional area of newly-increased supporting pile 21 designs according to the size of horizontal thrust under the upper load of defined in different embodiment and load action, if desired its intensity is increased, then can increase the quantity of newly-increased supporting pile 21, increase area of its cross-sectional area and newly-increased cushion cap 22 etc.
The top surface area of cushion cap is enough large, can build completely in end face (auspicious see Fig. 2) for the body of a bridge.Therefore, when the former body of a bridge of U-shaped 11 is built after on the end face of described former cushion cap 12, the end face of former cushion cap 12 has the exposed parts exposing to the described U-shaped body of a bridge.Ruggedized construction in the present embodiment, newly-increased cushion cap 22 is overlapped in the latter half of the end face of described former cushion cap 12, when newly-increased cushion cap 22 overlaps successfully, it is the bow font matched with the trailing flank of the U-shaped body of a bridge towards the leading flank of the U-shaped body of a bridge, lives the U-shaped body of a bridge from rear semi-surrounding.Realize especially by following structure:
The first footing below by way of the wherein one end being positioned at arch bridge is example, is described in detail.
The end section that the end face of described former cushion cap 12 is positioned at the former part at the body of a bridge 11 rear and the trailing flank of the former body of a bridge 11 has also planted the second reinforcing bar 24, the main support section 222 of the first cover part 221 end face that the newly-increased cushion cap 22 of described first ruggedized construction has a former cushion cap 12 covering place being positioned at the part at the former body of a bridge 11 rear and the trailing flank being positioned at the first cover part 221, described first cover part 221 is connected with the end section end face of the former cushion cap 12 at place being positioned at the former part at the body of a bridge 11 rear and the trailing flank of the former body of a bridge 11 by described second reinforcing bar 24, described main support section 222 is connected with the trailing flank of the former cushion cap 12 at place by described first reinforcing bar 23.In the manner, with only compared with the mode of trailing flank kind first reinforcing bar 23 of described former cushion cap 12, newly-increased cushion cap 22 is wider with the faying surface of former cushion cap 12, and fastening strength is stronger.
The end section that the end face of the former cushion cap 12 at place is positioned at the position of the two sides of the former body of a bridge 11 and the two sides of the described former body of a bridge 11 has also planted the 3rd reinforcing bar, the end face that described newly-increased cushion cap 22 also has a former cushion cap 12 covering place lays respectively at the second cover part 223 of the part of the two sides of the former body of a bridge 11, and described second cover part 223 is connected with the end section end face of described former cushion cap 12 laying respectively at the part of the both sides of the former body of a bridge 11 and the two sides of the former body of a bridge 11 by the 3rd reinforcing bar.In this programme, compared with above-mentioned two kinds of overlapping modes, the former cushion cap 12 exposing to the U-shaped body of a bridge latter half of all overlaps by this newly-increased cushion cap 22, makes the integraty of former cushion cap 12 and newly-increased cushion cap 22, globality stronger, strengthens higher, meet code requirement.
In the present embodiment, described first cover part 223, cover part 221, second all with described main support section 222 one pour-shaping.
The thickness of described main support section 222 is greater than the thickness of former cushion cap 12, and so, increase the intensity of intensity higher than former cushion cap 12 of cushion cap 22 newly, anti-weight bearing power is better.
Described newly-increased supporting pile 21 is many, and many newly-increased supporting piles 21 are arranged in the rear of former cushion cap 12 with the direction uniform intervals paralleled with the width of arch bridge.So, evenly spaced newly-increased supporting pile 21 can evenly distribution bridge load, make integral bridge not yielding, the life-span of bridge is longer.
In the present embodiment, newly-increased must take between cushion cap 22 and former cushion cap 12 to plant bar connecting, and former cushion cap 12 surface should dabbing cleaning out, to guarantee the globality of newly-increased cushion cap 22 and the former body of a bridge 11.The strength grade of concrete of newly-increased cushion cap 22 is not less than former cushion cap 12.Long and the cross sectional shape of the stake footpath of newly-increased supporting pile 21, stake calculates to be determined.
The process steps of the present embodiment is as follows:
1, smooth location; 2, the excavation of foundation pit (for providing working face time borehole (pore-forming)) of newly-increased cushion cap 22 part; 3, pore-forming (borehole), can adopt mechanical hole building or manually digging hole as required; 4, pouring reinforcement concrete stake (newly-increased stake); 5, broken pile head and build newly-increased cushion cap 22 bed course after detecting newly-increased pile quality; 6, former cushion cap 12 and the process of newly-increased cushion cap 22 bound fraction dabbing, reinforcing bar planted by the old cushion cap of bound fraction; 7, newly-increased cushion cap 22 assembling reinforcement, installation form concreting; 8, maintenance; 9, the former body of a bridge 11 behind roadbed 3 backfills and recovers road surface.
In the present embodiment, the structure of described second footing is identical with the first footing structure, and it, to be arranged in the rear side of the former abutment of the other end of arch bridge with the mode of the first footing symmetry, therefore, just repeats herein no longer one by one.
No matter the utility model embodiment is hot work in progress bridge or reconstruction bridge, if not enough for the abutment opposing horizontal thrust of arch bridge time this ruggedized construction all can be adopted to reinforce.The opposing horizontal thrust of the abutment at arch bridge two ends can be increased (when namely vehicle travels on arch bridge bridge floor by first footing and the second footing of setting up symmetry at the two ends of arch bridge, the power being applied to bridge floor can make the two ends of arch bridge to abutment applied thrust to a certain extent, now, this thrust makes the radian of arch bridge strengthen, if when the anti-thrust of two abutments is poor, then whole arch bridge is easily made to be out of shape, to occur safety problem).This ruggedized construction does not destroy the globality of original structure, adds the anti-horizontal thrust of abutment, and make the globality of arch bridge, practicality and safety better, the difficulty of construction of this structure is little, and reinforcement cost is lower, and the quality of reinforcing is guaranteed.
These are only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model manual and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. the ruggedized construction of an abutment, for reinforcing the former abutment at the two ends being positioned at arch bridge, described former abutment comprises the former body of a bridge, former cushion cap and former pile foundation, in the below of the described former body of a bridge, construction has former cushion cap, in the below of former cushion cap, construction has former pile foundation, it is characterized in that: comprise and be located at the first footing on rear side of two former abutments and the second footing respectively; Described first footing and the second footing include newly-increased supporting pile, construct in the end face of described newly-increased supporting pile newly-increased cushion cap and plant the first reinforcing bar of the former cushion cap trailing flank in place, described newly-increased cushion cap is connected by the trailing flank of described first reinforcing bar with described former cushion cap.
2. the ruggedized construction of abutment as claimed in claim 1, it is characterized in that: the end section being positioned at the former part at body of a bridge rear and the trailing flank of the former body of a bridge on the end face of described former cushion cap has also planted the second reinforcing bar, the main support section of the first cover part end face that described newly-increased cushion cap has a former cushion cap covering place being positioned at the part at former body of a bridge rear and the trailing flank being positioned at the first cover part, described first cover part is connected with the end section end face of described former cushion cap being positioned at the part at former body of a bridge rear and the trailing flank of the former body of a bridge by described second reinforcing bar; Described main support section is connected with the trailing flank of described former cushion cap by described first reinforcing bar.
3. the ruggedized construction of abutment as claimed in claim 2, it is characterized in that: the end section being positioned at the position of the two sides of the former body of a bridge and the two sides of the former body of a bridge on the end face of described former cushion cap has also planted the 3rd reinforcing bar, the end face that described newly-increased cushion cap also has a former cushion cap covering place lays respectively at the second cover part of the part of the two sides of the former body of a bridge, and described second cover part is connected with the end section end face of described former cushion cap laying respectively at the part of the both sides of the former body of a bridge and the two sides of the former body of a bridge by the 3rd reinforcing bar.
4. the ruggedized construction of abutment as claimed in claim 3, is characterized in that: described first cover part, the second cover part all with described main support section integrally pour-shaping.
5. the ruggedized construction of abutment as claimed in claim 2, is characterized in that: the thickness of described main support section is greater than the thickness of the former cushion cap at place.
6. the ruggedized construction of abutment as claimed in claim 2, is characterized in that: the described former body of a bridge is the posterior U-shaped of opening.
7. the ruggedized construction of abutment as claimed in claim 1, is characterized in that: described newly-increased supporting pile is many, and many newly-increased supporting piles are arranged in the rear of the former cushion cap at place with the direction uniform intervals paralleled with the width of arch bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875456.2U CN205077402U (en) | 2015-11-05 | 2015-11-05 | Reinforced structure of abutment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875456.2U CN205077402U (en) | 2015-11-05 | 2015-11-05 | Reinforced structure of abutment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205077402U true CN205077402U (en) | 2016-03-09 |
Family
ID=55429817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520875456.2U Active CN205077402U (en) | 2015-11-05 | 2015-11-05 | Reinforced structure of abutment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205077402U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184952A (en) * | 2019-06-26 | 2019-08-30 | 中铁八局集团第二工程有限公司 | A kind of reconstruction structure and its construction method of existing abutment |
| CN107794848B (en) * | 2017-10-26 | 2023-03-17 | 南京林业大学 | Treatment method for abutment camber |
-
2015
- 2015-11-05 CN CN201520875456.2U patent/CN205077402U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794848B (en) * | 2017-10-26 | 2023-03-17 | 南京林业大学 | Treatment method for abutment camber |
| CN110184952A (en) * | 2019-06-26 | 2019-08-30 | 中铁八局集团第二工程有限公司 | A kind of reconstruction structure and its construction method of existing abutment |
| CN110184952B (en) * | 2019-06-26 | 2024-01-16 | 中铁八局集团第二工程有限公司 | Modification structure of existing bridge abutment and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209637778U (en) | Deng the ruggedized construction for vcehicular tunnel inverted arch | |
| CN204984441U (en) | It backfills novel section of jurisdiction of quality behind one's back to change single shield TBM section of jurisdiction | |
| CN102352590B (en) | Method for splicing highfill roadbed by adopting pile-sheet retaining wall | |
| CN103924501B (en) | Reinforcement construction method in the cement pavement local failure reparation of a kind of rural area | |
| CN205399237U (en) | Reinforcing apparatus of concrete slab bridge / roof beam | |
| CN104775830B (en) | A kind of swelled ground tunnel arch wall preliminary bracing construction method | |
| CN105804093B (en) | Prefabricated double-row pile foundation pit supporting construction integrated with water-stop curtain and its construction method | |
| CN102359046A (en) | High fill subgrade connection method | |
| CN103726503B (en) | Anchor rod pile reinforcing bearing platform structure used for reinforcing deformed bridge pile and construction method thereof | |
| CN108035376B (en) | Anti-deformation rectification foundation applicable to goaf site wind turbine generator and construction method thereof | |
| CN103088942A (en) | Building structure without form removal | |
| CN204780865U (en) | Precast concrete pile cap | |
| CN103711056A (en) | Steel tool type temporary construction road and construction method thereof | |
| CN109236322A (en) | It a kind of artificial bottom plate preventing soft-rock tunnel pucking and its constructs and method for maintaining | |
| CN210194361U (en) | Splicing structure for widening new and old roadbeds on road | |
| CN210262555U (en) | Light soil road structure | |
| CN205077402U (en) | Reinforced structure of abutment | |
| CN108277750B (en) | Construction method of high-fill deep-thick soft foundation pile-supported large-section porous cast-in-place box culvert | |
| CN108708727A (en) | The shield cutter inspection-pit assembly construction method of jacking after half excavation | |
| CN211713627U (en) | Deep crack grouting structure | |
| CN210341936U (en) | Assembled vertical supporting structure | |
| CN115450250B (en) | Reinforced cement stabilized macadam retaining wall structure and construction method | |
| CN105821759A (en) | Deformation compatibility composite type bridge end transition slab structure and construction method | |
| CN206457838U (en) | A kind of assembling type base for power transmission tower | |
| CN108677985A (en) | A kind of prefabricated binder, mating pile foundation and combinations thereof structure and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |