CN203947406U - The flexible splicing construction of new and old bridge longitudinal elasticity concrete - Google Patents
The flexible splicing construction of new and old bridge longitudinal elasticity concrete Download PDFInfo
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- CN203947406U CN203947406U CN201420308512.XU CN201420308512U CN203947406U CN 203947406 U CN203947406 U CN 203947406U CN 201420308512 U CN201420308512 U CN 201420308512U CN 203947406 U CN203947406 U CN 203947406U
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Abstract
The utility model relates to the flexible splicing construction of a kind of new and old bridge longitudinal elasticity concrete, is arranged in the groove after splicing grooving chisel between new and old bridge floor and removing, and inside configuration mainly comprises leveling layer, steel plate layer; Elastic concrete layer.The utility model adopts flexible connecting method, overcomes two long-standing problems: the one, due to the discrepancy in elevation sudden change that the settlement difference of new and old bridge brings, the potential safety hazard of bringing to traffic; The 2nd, the vibration that load travels in the above and causes, the structural failure of opposite joint.Make elastic concrete when being subject to the load higher-order of oscillation aobvious elasticity and while being subject to the slow power of low frequency the mechanical characteristics of aobvious plasticity be not fully exerted.Consider construction quality and economy simultaneously, leveling and waterproofing work, the processing of upper face knot face and anti-skidding processing are done in bottom.Not only solved the smooth and easy problem of piece, and anti-skidding problem has also been solved.
Description
Technical field
The utility model relates to a kind of Construction of Civil Engineering structure, is specifically related to the flexible splicing construction of a kind of new and old bridge longitudinal elasticity concrete.
Background technology
Along with the development of China's economic construction, the scale of infrastructure construction is increasing, and wherein road widening and road network perforation project are more and more, and the situation that relates to new and old bridge splicing is more and more.The splicing of new and old bridge, because the difference in new and old bridge sedimentation cannot overcome, easily produces discrepancy in elevation sudden change in stitching portion, affect the intact and traffic safety of bridge deck structure.And in stitching portion, when have load by time can cause larger vibration.Solving stitching portion problem was once becoming " persistent ailment " in bridge construction, needed the new form of structure of innovation badly and solved.
Summary of the invention
The utility model is intended to overcome the above problems, and provides the new and old bridge longitudinal elasticity of a kind of employing concrete flexible splicing construction.Concrete technical scheme is as follows:
The flexible splicing construction of a kind of new and old bridge longitudinal elasticity concrete comprises from bottom to top with subsurface:
Leveling layer, for being laid on the layer of concrete of the groove bottom after the fluting of new and old bridge splicing seams both sides, and on the leveling layer of splicing seams both sides aspect in same level;
Steel plate layer, for being erected at the steel plate on the both sides leveling layer of splicing seams top;
The elastic concrete layer layer of mating formation, is laid on steel plate layer, fills and leads up groove notch, is paved into one with new bridge floor and old bridge floor;
Knot surface layer, comprises and be laid on described elastic concrete the mat formation elaterite of layer upper surface and the rubble of laying on elaterite.It is to be mixed by hard aggregate and elaterite heating that elastic concrete layer is mated formation, and width is between 30 ~ 50cm.
Elastic concrete structural thickness is 10cm ~ 12cm.
Also comprise caulking type waterproofing course, be filled between the splicing seams of new, old bridge pavement, height, lower than the leveling layer of splicing seams both sides, forms lower than both sides leveling layer splicing seams place and forms groove.
Also comprise rubber cortex, what rubber cortex and described groove shapes adapted is closely laid on leveling layer and caulking type waterproofing course, above groove and form waterproof groove.
In waterproof groove, be equipped with water permeability gutter.
Before laying rubber cortex, on leveling layer and caulking type waterproofing course, scribble elastic gum.
Steel plate is galvanized steel plain sheet.
Caulking type waterproofing course is organosilicon material.
The utility model has the advantages that and adopt material seamless splicing structure, mainly pass through elastic concrete, utilize the mechanical characteristic of its excellence, aobvious elasticity during the bearing load higher-order of oscillation and aobvious plasticity while being subject to the slow power of low frequency, meet vehicle when there is Chengjiang settlement difference with new and old bridge simultaneously, stitching portion structure still remains intact, and can meet use function.Again the waterproof of edge joint position has been done to stifled and thin processing simultaneously, guaranteed the not infiltration of edge joint position below.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the flexible splicing construction of the new and old bridge longitudinal elasticity of the utility model concrete.
The specific embodiment
Below with reference to the accompanying drawing that forms this manual part, the various specific embodiment of the present utility model are described.It should be understood that, although use the term that represents direction in the utility model, such as 'fornt', 'back', " on ", D score, " left side ", " right side ", " vertically " or " parallel " etc. describe various example structure part of the present utility model and element, but at this, use just object for convenience of description of these terms, the example orientation based on showing in accompanying drawing and definite.Because embodiment disclosed in the utility model can be according to different direction settings, so these terms that represent direction just should not regarded as restriction as explanation.In following accompanying drawing, same another parts are used same drawing number, and similar another parts are used similar drawing number, are repeated in this description avoiding.
Fig. 1 is the structural representation of the flexible splicing construction of the new and old bridge longitudinal elasticity of the utility model concrete.As shown in Figure 1, newly-built new bridge 102 and old bridge 101 are stitched together, inevitably can form splicing seams 103, two relatively independent bridge floors are new bridge 102 and old bridge 101 structures because the reasons such as the settlement difference of different pile foundation modes, different grounds, different bridge span and supporting construction inevitably can produce longitudinal crack between new and old bridge splicing seams 103, that crack there will be is permeable, accelerate bridge aging, produce the problems such as hidden trouble of traffic.
For addressing this problem, the utility model adopts the flexible splicing construction road surface pavement of new and old bridge longitudinal elasticity concrete on splicing seams 103.Specifically, the groove 100 of digging out on the pitch of new and old bridge jointing seam 103 (or cement etc.) road surface 104, groove 100 generally digs to bridge main body cement layer.Because of two bridge pavement-heights differences, therefore lay first floor with concrete at groove 100 bottoms, be old bridge leveling layer 106 and new bridge leveling layer 108, the thickness that old bridge leveling layer 106 is laid with new bridge leveling layer 108 can be different, to make aspect on old bridge leveling layer 106 and new bridge leveling layer 108 in same level, lay leveling layer (106,108) for convenience of the laying of each layer of structure on upper strata in principle.Between leveling layer (106,108) and new and old bridge main body, brush epoxyn, can increase the caking property of upper and lower double-layer structure.
After leveling layer is laid complete (or concrete setting is qualitative), the interior paving of splicing seams 103, add caulking type waterproofing course 105, caulking type waterproofing course 105 adopts structure glue or organosilicon material to do, and object is to block gap, prevents that splicing seams 103 from leaking.When caulking type waterproofing course 105 is laid, height, lower than the leveling layer (106,108) of both sides, makes splicing seams 103 places form the groove lower than both sides leveling layer.
On old bridge leveling layer 106, new bridge leveling layer 108 and caulking type waterproofing course 105, shape compliance is laid rubber cortex 109 surfacewise, rubber cortex 109 covers caulking type waterproofing course 105, rubber cortex 109 above and below scribble elastic gum (elaterite) simultaneously, old bridge leveling layer 106, new bridge leveling layer 108 and caulking type waterproofing course 105 good bond of the contact of Jiang Yu lower floor, to strengthen fastness and water proofing property.Because of splicing seams, 103 places are fluted, and rubber cortex 109 upper stratas just form waterproof groove with the shape of groove.The wide groove width going out at groove 100 in rubber cortex 109 both sides, upwards digs the edge of rubber cortex 109, prevents the infiltration of rubber cortex 109 both sides.
In waterproof groove, lay drainage pipe 111, drainage pipe 111 is water permeability gutter, and its top can be provided with water-feeding hole (omitting not shown), and the water that makes to infiltrate in rubber cortex 109 can be discharged with drainage pipe from water-feeding hole enters drainage pipe.
On rubber cortex 109 upper stratas, lay steel plate layers 107, because aspect on rubber cortex 109 also scribbles elastic gum, so can and also good bond of steel plate layer 107.Steel plate can be used galvanized steel plain sheet, with antirust.
On groove 100 is interior, fill up elastic concrete and form elastic concrete layer 110, be laid on steel plate layer 107 and rubber cortex 109, until fill and lead up groove 100 notches, be integral with both sides new bridge 101 and old bridge 102 road surfaces 104.Piece width general control is within the scope of 30 ~ 50cm.
On elastic concrete layer 110, with elaterite, tie face, on elaterite, lay rubble, be knot surface layer 120.Knot surface layer 120 is mainly attractive in appearance anti-skidding, increases stone and more increases anti-skidding effect.
The flexible splicing construction of whole new and old bridge longitudinal elasticity concrete is laid complete, and after moulding, thickness H is 10cm ~ 12cm.
In the flexible splicing construction of new and old bridge longitudinal elasticity concrete, elastic concrete layer is to be mixed by hard aggregate and elaterite heating, has the features such as retractility is good, viscosity is large, bearing load is high, good waterproof performance; The good pressure-bearing that simultaneously steel plate layer 107 can be to lower floor's rubber cortex 109 and caulking type waterproofing course 105 etc., also can keep that upper strata elastic concrete layer 110 can not subside simultaneously, sedimentation and cracking; Rubber cortex 109, by the excellent bonds with levels, keeps the water resistance of the flexible splicing construction of whole new and old bridge longitudinal elasticity concrete.Total is applied to bridge jointing formula, when the situations such as new bridge 101 and the 102 generation sedimentations of old bridge or amount of deflection variation, still can keep the deformation with groove 100 adaptability.
Although will be described the utility model with reference to the specific embodiment of showing in accompanying drawing, but be to be understood that, do not deviating under the spirit and scope and background of the utility model instruction, the flexible splicing construction of new and old bridge longitudinal elasticity concrete of the present utility model can have many versions.Art technology those of ordinary skill also has different modes to change the parameter in embodiment disclosed in the utility model by recognizing, for example the type of size, structure or element or material, all falls in the spirit and scope of the utility model and claim.
Claims (10)
1. the flexible splicing construction of new and old bridge longitudinal elasticity concrete, is characterized in that: comprise from bottom to top with subsurface:
Leveling layer, for being laid on the layer of concrete of the groove bottom after the fluting of new and old bridge splicing seams both sides, and on the leveling layer of splicing seams both sides aspect in same level;
Steel plate layer, for being erected at the steel plate on the both sides leveling layer of splicing seams top;
The elastic concrete layer of mating formation, is laid on steel plate layer, fills and leads up groove notch, is paved into one with new bridge floor and old bridge floor;
Knot surface layer, comprises and be laid on described elastic concrete the mat formation elaterite of layer upper surface and the rubble of laying on elaterite.
2. the flexible splicing construction of new and old bridge longitudinal elasticity concrete as claimed in claim 1, is characterized in that: the described elastic concrete layer layer of mating formation is to be mixed by hard aggregate and elaterite heating, and width is between 30 ~ 50cm.
3. the flexible splicing construction of new and old bridge longitudinal elasticity concrete as claimed in claim 1, is characterized in that: the described elastic concrete layer thickness of mating formation is 10cm ~ 12cm.
4. the flexible splicing construction of new and old bridge longitudinal elasticity concrete as claimed any one in claims 1 to 3, it is characterized in that: also comprise caulking type waterproofing course, be filled between described splicing seams, height, lower than the leveling layer of described splicing seams both sides, makes splicing seams place height form groove lower than both sides leveling layer.
5. the flexible splicing construction of new and old bridge longitudinal elasticity concrete as claimed in claim 4, it is characterized in that: also comprise rubber cortex, what rubber cortex and described groove shapes adapted is closely laid on leveling layer and caulking type waterproofing course, above groove and form waterproof groove.
6. the flexible splicing construction of new and old bridge longitudinal elasticity concrete as claimed in claim 5, is characterized in that: in described waterproof groove, be equipped with water permeability gutter.
7. the flexible splicing construction of new and old bridge longitudinal elasticity concrete as claimed in claim 5, is characterized in that: before laying rubber cortex, on leveling layer and caulking type waterproofing course, scribble elastic gum.
8. the flexible splicing construction of new and old bridge longitudinal elasticity concrete as claimed in claim 1, is characterized in that: described steel plate is galvanized steel plain sheet.
9. the flexible splicing construction of the new and old bridge longitudinal elasticity concrete as described in claim 5 to 8 any one, is characterized in that: described caulking type waterproofing course is organosilicon material.
10. the flexible splicing construction of new and old bridge longitudinal elasticity concrete as claimed in claim 4, is characterized in that: described caulking type waterproofing course is organosilicon material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420308512.XU CN203947406U (en) | 2014-06-11 | 2014-06-11 | The flexible splicing construction of new and old bridge longitudinal elasticity concrete |
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| CN201420308512.XU CN203947406U (en) | 2014-06-11 | 2014-06-11 | The flexible splicing construction of new and old bridge longitudinal elasticity concrete |
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| CN203947406U true CN203947406U (en) | 2014-11-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268438A (en) * | 2017-08-11 | 2017-10-20 | 上海市城市建设设计研究总院（集团）有限公司 | Carry out spelling wide bridge floor system fast joint structure using UHPC materials |
| CN107524094A (en) * | 2017-09-26 | 2017-12-29 | 中国水利水电第十工程局有限公司 | A kind of newly building bridge and present situation bridge longitudinal flexible concatenation construction method |
| CN108316137A (en) * | 2018-01-16 | 2018-07-24 | 上海申继交通科技有限公司 | New bridge and old bridge beam longitudinal seam waterproof method and waterproof construction |
| CN113089468A (en) * | 2021-05-14 | 2021-07-09 | 杭州市市政设施管理中心 | Splicing seam structure system of new and old bridges and construction method |
| CN113463525A (en) * | 2021-07-28 | 2021-10-01 | 杨成威 | Wide connecting device is pieced together with steel case roof beam to concrete case roof beam |
-
2014
- 2014-06-11 CN CN201420308512.XU patent/CN203947406U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107268438A (en) * | 2017-08-11 | 2017-10-20 | 上海市城市建设设计研究总院（集团）有限公司 | Carry out spelling wide bridge floor system fast joint structure using UHPC materials |
| CN107524094A (en) * | 2017-09-26 | 2017-12-29 | 中国水利水电第十工程局有限公司 | A kind of newly building bridge and present situation bridge longitudinal flexible concatenation construction method |
| CN107524094B (en) * | 2017-09-26 | 2019-07-05 | 中国水利水电第十一工程局有限公司 | A kind of newly building bridge and status bridge longitudinal flexible concatenation construction method |
| CN108316137A (en) * | 2018-01-16 | 2018-07-24 | 上海申继交通科技有限公司 | New bridge and old bridge beam longitudinal seam waterproof method and waterproof construction |
| CN113089468A (en) * | 2021-05-14 | 2021-07-09 | 杭州市市政设施管理中心 | Splicing seam structure system of new and old bridges and construction method |
| CN113089468B (en) * | 2021-05-14 | 2022-05-03 | 杭州市市政设施管理中心 | Splicing seam structure system of new and old bridges and construction method |
| CN113463525A (en) * | 2021-07-28 | 2021-10-01 | 杨成威 | Wide connecting device is pieced together with steel case roof beam to concrete case roof beam |
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