CN206887757U - Deck installation structure and bridge - Google Patents

Deck installation structure and bridge Download PDF

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Publication number
CN206887757U
CN206887757U CN201720748815.7U CN201720748815U CN206887757U CN 206887757 U CN206887757 U CN 206887757U CN 201720748815 U CN201720748815 U CN 201720748815U CN 206887757 U CN206887757 U CN 206887757U
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China
Prior art keywords
arch
installation structure
leveling layer
deck installation
bridge
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CN201720748815.7U
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Chinese (zh)
Inventor
朱孟君
李玉美
李俊
王晓峰
胡振
郑建民
曹鸿猷
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China Railway Siyuan Survey and Design Group Co Ltd
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China Railway Siyuan Survey and Design Group Co Ltd
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Abstract

It the utility model is related to a kind of deck installation structure and the bridge using the deck installation structure, the deck installation structure includes leveling layer and pave-load layer, in being embedded with multiple arch tubes in leveling layer, two arch springings of each arch tube are respectively positioned on the bottom of the arch tube, and each arch tube encloses in leveling layer to be set to form an arch tubular type cavity;The deck installation structure further may also include the existing deck installation structure being formed at before bridge jacking is transformed on floorings, and leveling layer is layed in the upper surface of existing deck installation structure.By burying arch tube in leveling layer to form arch tubular type cavity, larger hole can be formed, effectively improves the porosity of this deck installation structure, and then effectively reduce concrete amount, reduced bridge and mat formation leveling layer deadweight;Moreover, the domes of arch tube have good mechanical property, leveling layer force request can be met.

Description

Deck installation structure and bridge
Technical field
The utility model belongs to bridge technology field, and in particular to a kind of deck installation structure and includes the deck paving The bridge of structure.
Background technology
With the fast development of transportation, the traffic capacitys of many existing highway bridges can not meet demand, face one Fixed predicament.Substantial amounts of manpower and materials are expended due to removing to rebuild, so quick construction, low cost and the small bridge of social influence Lifting reconstruction technology is arisen at the historic moment and gradually popularized.Bridge jacking technology can be used for the correction of various deviation diseases and bridge changes Make, but existing bridge jacking technology after bridge completes jacking in order to meet bridge traffic safety, rapid, comfortable and attractive in appearance etc. It is required that, it is necessary to certain thickness concrete is poured in existing bridge floor to be fitted Pavement linear.
By existing overlay technology, increased concrete leveling layer can greatly increase the load of bridge so that existing bridge Structure is difficult to meet force request, causes jack lifting technique application difficulty to greatly increase.
Utility model content
The utility model embodiment is related to a kind of deck installation structure and includes the bridge of the deck installation structure, at least Can solve the segmental defect of prior art.
The utility model embodiment is related to a kind of deck installation structure, including leveling layer and is layed in above the leveling layer Pave-load layer, in being embedded with multiple arch tubes in the leveling layer, two arch springings of each arch tube are respectively positioned on the arch tube Bottom, each arch tube encloses in the leveling layer to be set to form an arch tubular type cavity.
As one of embodiment, the axial direction of each arch tube is direction across bridge.
As one of embodiment, the multiple cavity units set gradually in the leveling layer formed with Yan Shunqiao are each The cavity unit includes the multiple arch tubes sequentially coaxially set along direction across bridge.
As one of embodiment, the arch springing of each arch tube is concordant with the leveling layer lower surface, along each described The vertical radial direction of arch tube, have one to mat formation spacing between the top of the arch tube and the leveling layer upper surface, each institute State spacing all same of mating formation.
As one of embodiment, at least one of arch tube is corrugated steel pipe.
As one of embodiment, each arch tube is connected with the position-limit mechanism for limiting its arch springing displacement.
As one of embodiment, the position-limit mechanism includes bar planting in more limit steel bars of bridge floor, each spacing steel Muscle is vertically extending and is embedded in the leveling layer, and each limit steel bar of each position-limit mechanism is correspondingly formed Twice clamping conduit, two arch springings of each arch tube are connected in the corresponding two clamping conduits respectively.
As one of embodiment, transverse prestress structure is provided with the leveling layer.
The utility model embodiment is related to a kind of bridge, including floorings, in the floorings upper berth equipped with as described above Deck installation structure.
The utility model embodiment at least has the advantages that:Encircleed by burying arch tube in leveling layer with being formed Shape tubular type cavity, can form larger hole, effectively improve the porosity of this deck installation structure, and then effectively reduce coagulation Native dosage, reduce bridge mat formation leveling layer deadweight;Moreover, the domes of arch tube have good mechanical property, Ke Yiman Sufficient leveling layer force request.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the deck installation structure for the lifting reconstruction bridge that the utility model embodiment provides;
Fig. 2 is the knot for the deck installation structure that the Varying-thickness for the lifting reconstruction bridge that the utility model embodiment provides is mated formation Structure schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The all other embodiment obtained, belong to the scope of the utility model protection.
Embodiment one
Such as Fig. 1, the utility model embodiment provides a kind of deck installation structure, including leveling layer 2 and is layed in the tune The pave-load layer 3 of the top of flat bed 2, above-mentioned leveling layer 2 are generally cast-in-place concrete layer, and above-mentioned pave-load layer 3 is generally pitch and mixed Solidifying soil layer;In being embedded with multiple arch tubes 4 in the leveling layer 2, two arch springings of each arch tube 4 are respectively positioned on the arch tube 4 bottom, each arch tube 4 encloses in the leveling layer 2 to be set to form an arch tubular type cavity.The present embodiment is by adjusting Arch tube 4 is buried in flat bed 2 to form arch tubular type cavity, larger hole can be formed, effectively improve this deck paving knot The porosity of structure, and then effectively reduce concrete amount, reduce bridge leveling layer 2 of mating formation and conduct oneself with dignity;Moreover, the arch of arch tube 4 Structure has good mechanical property, can meet the force request of leveling layer 2.
The axial direction of above-mentioned arch tube 4 can be to, or direction across bridge along bridge, it is preferable that such as Fig. 1, each arch tube 4 It is axially direction across bridge, in the case where meeting porosity requirement, can preferably meets the force request of leveling layer 2.Further, The multiple cavity units set gradually in the leveling layer 2 formed with Yan Shunqiao, each cavity unit are included along cross-bridges To the multiple arch tubes 4 sequentially coaxially set;Wherein, adjacent two cavity unit is preferably to be arranged at intervals, i.e., therebetween Casting concrete, to ensure the bending-resistant force request of each arch tube 4, avoid the two from directly contacting and cause mutual stress;Often One cavity unit can certainly use a continuous whole arch tube 4, or the cavity unit each arch tube 4 along direction across bridge Contact successively, but be preferably to design the cavity unit to be spaced and set successively along direction across bridge including multiple arch tubes 4 and each arch tube 4 Put, to meet the force request of leveling layer 2, while obtain bigger porosity.
Preferably, above-mentioned each arch tube 4 uses steel pipe, to ensure the mechanical property of body;Height can certainly be used Arch tube 4 made of strength materials etc..Further, at least one of arch tube 4 is corrugated steel pipe, and preferably design is each Arch tube 4 is corrugated steel pipe;Using corrugated steel pipe, compared to common pipe, it has the following advantages that:(1) intensity substantially carries It is high;(2) due to the presence of ripple, excellent stress performance is made it have, the effect of load can be disperseed to a greater degree;(3) steel Bellows interior stress tension and compression are identical, thus have more preferable stress performance, and common pipe inside tension is smaller, compression It is larger;(4) bellows structure causes it to have more preferable snap-in force and frictional force with the concrete of leveling layer 2, and each arch tube 4 is not easy Unnecessary displacement is produced, and there is more preferable load transmission effect between the concrete structure of leveling layer 2, improves leveling layer 2 holistic resistant behaviors.
Further optimize above-mentioned deck installation structure, each arch tube 4 is connected with for limiting its arch springing displacement Position-limit mechanism, the arch springing displacement of each arch tube 4 is limited by position-limit mechanism, may be such that arch tube 4 have more preferable bending-resistant by Power performance, and can accordingly increase its cavity size to adapt to thicker leveling layer 2.Preferably, the position-limit mechanism includes planting For muscle in more limit steel bars of bridge floor, each limit steel bar is vertically extending and is embedded in the leveling layer 2, each Each limit steel bar of the position-limit mechanism is correspondingly formed twice clamping conduit, two arch springings of each arch tube 4 Corresponding to being connected in respectively in the two clamping conduits;Specifically, above-mentioned clamping conduit is surrounded by two limit steel bar rows, Two limit steel bars row along bridge to the arch springing both sides of arch tube 4 corresponding to being respectively in, each limit steel bar row include along direction across bridge according to More limit steel bars of minor tick arrangement.Each arch tube 4 can be entered with the concrete match ratio poured by above-mentioned each limit steel bar Row is preferably spacing, and certainly, each limit steel bar can further be welded with corresponding steel arch tube 4, anchored.Except above-mentioned spacing Outside mode, other structures can be also used, the arch springing displacement of each arch tube 4 can be limited, such as can be below leveling layer 2 Bridge floor on corresponding anchoring positive stop strip etc. is set, specifically no longer repeat one by one herein;For steel construction bridge floor, above-mentioned arch tube 4 Directly it can be welded with the steel construction bridge floor.
Further optimize above-mentioned deck installation structure, such as Fig. 2, be the needs of fitting Pavement linear sometimes in Practical Project, Varying-thickness is needed to mat formation, i.e., along suitable bridge to the thickness of above-mentioned deck installation structure is change, and the thickness of leveling layer 2 is also corresponding It is change.Now, according to Pavement linear be fitted needs, can select using different tube diameters equidimension arch tube 4 and Design different cavity unit spacing;Wherein, the caliber of preferably each arch tube 4 increases with the thickness of leveling layer 2 of corresponding position Increase greatly.It can specifically show as:The arch springing of each arch tube 4 is concordant with the lower surface of leveling layer 2, along each institute The vertical radial direction of arch tube 4 is stated, has one to mat formation spacing between the top of the arch tube 4 and the upper surface of the leveling layer 2, Each spacing all same of mating formation.Furthermore it is also possible to transverse prestress is laid in leveling layer 2, to adapt to larger spacing chamber With broad flange beam stress demand, i.e., transverse prestress structure is provided with described leveling layer 2;Laid in bridge paving structure horizontal It is this area routine techniques to prestressing force, namely above-mentioned transverse prestress structure is that those skilled in the art are easily achieved, such as Transverse prestressed reinforcing steel bar etc. can be laid.
The deck installation structure further provided the present embodiment illustrates:
(1) can by setting the wave amplitude size of rational arch tube 4, wall thickness and corresponding central angle, adjustment arch tube 4 it is anti- Bending stress state, to adapt to the different thickness of leveling layer 2 and force request;
(2) can by adjust arch tube 4 radian and each cavity unit in each arch tube 4 lateral arrangement between Away from realizing the complicated linear requirement to the minimum porosity of pave-load layer 3.
The deck installation structure that the utility model embodiment provides overlays suitable for bridge jacking improvement project to reduce The weight of leveling layer 2, in addition to necessary route vertical curve fitting is carried out to reduce pavement thickness, reduce as far as possible and overlay paving structure Equivalent density be relatively effective means, the present embodiment is in the leveling layer 2 that bridge jacking transformation overlays using meeting structure The hollow-core construction of force request, as far as possible increase empty rate, can effectively reduce the equivalent density for overlaying paving structure, add so as to reduce Spread the weight of paving structure.
Embodiment two
The utility model embodiment provides a kind of bridge, including floorings 1, and above-mentioned reality is housed in the upper berth of floorings 1 Apply the deck installation structure that example one is provided.The deck installation structure that above-described embodiment one is provided can be used for the works such as newly building bridge Cheng Zhong, it is also applied in bridge jacking improvement project.
For bridge jacking rebuilding construction, above-mentioned deck installation structure can be directly paved on existing bridge deck pavement, and one As, to mitigate weight, after can existing deck installation structure be rooted out, then overlay above-mentioned deck installation structure;And for adopting With the lifting reconstruction of steel construction bridge floor, above-mentioned deck installation structure directly can be overlayed on existing steel structural bridge surface layer, this is Those skilled in the art are easy to what is determined, are no longer described in detail herein.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in Protection domain within.

Claims (9)

1. a kind of deck installation structure, including leveling layer and the pave-load layer that is layed in above the leveling layer, it is characterised in that:In Multiple arch tubes are embedded with the leveling layer, two arch springings of each arch tube are respectively positioned on the bottom of the arch tube, each The arch tube encloses in the leveling layer to be set to form an arch tubular type cavity.
2. deck installation structure as claimed in claim 1, it is characterised in that:The axial direction of each arch tube is direction across bridge.
3. deck installation structure as claimed in claim 2, it is characterised in that:In the leveling layer formed with Yan Shunqiao successively The multiple cavity units set, each cavity unit include the multiple arch tubes sequentially coaxially set along direction across bridge.
4. deck installation structure as claimed in claim 2, it is characterised in that:The arch springing of each arch tube with the leveling Layer lower surface is concordant, along the vertical radial direction of each arch tube, the top of the arch tube and the leveling layer upper surface Between have one to mat formation spacing, each spacing all same of mating formation.
5. deck installation structure as claimed in claim 1, it is characterised in that:At least one of arch tube is steel ripple Pipe.
6. deck installation structure as claimed in claim 1, it is characterised in that:Each arch tube is connected with for limiting it The position-limit mechanism of arch springing displacement.
7. deck installation structure as claimed in claim 6, it is characterised in that:The position-limit mechanism includes bar planting in the more of bridge floor Root limit steel bar, each limit steel bar is vertically extending and is embedded in the leveling layer, each position-limit mechanism Each limit steel bar be correspondingly formed twice clamping conduit, two arch springings of each arch tube are connected in correspondingly respectively The two clamping conduits in.
8. deck installation structure as claimed in claim 2, it is characterised in that:Transverse prestress knot is provided with the leveling layer Structure.
9. a kind of bridge, including floorings, it is characterised in that:It is equipped with the floorings upper berth as any in claim 1 to 8 Deck installation structure described in.
CN201720748815.7U 2017-06-26 2017-06-26 Deck installation structure and bridge Active CN206887757U (en)

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CN201720748815.7U CN206887757U (en) 2017-06-26 2017-06-26 Deck installation structure and bridge

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Application Number Priority Date Filing Date Title
CN201720748815.7U CN206887757U (en) 2017-06-26 2017-06-26 Deck installation structure and bridge

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110258284A (en) * 2019-06-28 2019-09-20 沈炜 The safe bridge of protecting against shock
CN112962453A (en) * 2021-02-03 2021-06-15 江西龙正科技发展有限公司 Novel ultra-high strength concrete UHPC light combined bridge deck

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110258284A (en) * 2019-06-28 2019-09-20 沈炜 The safe bridge of protecting against shock
CN110258284B (en) * 2019-06-28 2022-06-07 武汉公路桥梁建设集团有限公司 Anti-impact safety bridge
CN112962453A (en) * 2021-02-03 2021-06-15 江西龙正科技发展有限公司 Novel ultra-high strength concrete UHPC light combined bridge deck

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