CN201447662U - Steel grider combined bridge deck system structure of staggered superimposed sheet - Google Patents
Steel grider combined bridge deck system structure of staggered superimposed sheet Download PDFInfo
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- CN201447662U CN201447662U CN 200920034477 CN200920034477U CN201447662U CN 201447662 U CN201447662 U CN 201447662U CN 200920034477 CN200920034477 CN 200920034477 CN 200920034477 U CN200920034477 U CN 200920034477U CN 201447662 U CN201447662 U CN 201447662U
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Abstract
The utility model discloses a steel grider combined bridge deck system structure of a staggered superimposed sheet, which comprises a lower wing panel, a web and an upper wing panel which are fixedly connected, and a bridge deck laying layer laid on the upper wing plate, wherein a wooden bridge deck plate of the bridge deck laying layer is connected together with the upper wing plate through a shearing force connector, which forms a steel-and-wood combined bridge deck type structure, and together bears the load. An asphalt laying layer is laid on the panel of the wooden bridge. The wooden panel is connected with the upper wing plate through a screw bolt. The panel of the wooden bridge is formed through connecting a plurality of same wood strips with the same dimension through gluing or stitching by the CLT technology. The structure has simple and reasonable structure, good forcing performance, not only can reduce the dead weight of the bridge, improves the spanning ability of the bridge, but also can reduce the installing and the maintaining costs, simultaneously has less environment pollution, reduces the deadweight of the bridge surface, and improves the spanning ability and the use efficiency of bridges.
Description
Technical field
The utility model relates to the bridge construction field of engineering technology, especially girder steel and combined bridge deck system based on CLT (Cross-laminated Technology, promptly staggered composite technology) wooden bridge panel.
Background technology
At present, the form that the superstructure of most of steel bridges adopts girder steel to combine with concrete slab usually, and its deck paving technology is ripe, but concrete slab proportion in the bridge superstructure deadweight is excessive, this makes the span ability of bridge be subjected to great restriction, and service efficiency reduces greatly.Moreover cast-in-place bridge deck construction belongs to uphang and faces idle job, the particularly installation of template and dismounting, and difficulty and danger are very big, adjust the bridge floor absolute altitude simultaneously, and the control thickness of slab demands strict technology, and difficulty of construction is bigger.And concrete slab changes that difficulty is big, the cycle is long, expense is high, and discarded concrete can not cycling and reutilization, and resource is caused huge waste, and environment is caused very big pollution.For reducing the bridge deck deadweight, the especially big in recent years bridge of striding has mostly adopted orthotropic steel bridge deck system, still, the paving steel bridge deck technical research is a global difficult problem, its deck paving disease is serious, occurs phenomenons such as corrosion, cracking in a large number, and maintenance costs is huge.
Summary of the invention
It is a kind of based on CLT (Cross-laminated Technology that the utility model provides, promptly staggered composite technology) steel wood combined bridge deck architecture, this is simple and reasonable, stress performance is good, not only can reduce the span ability of bridge deadweight, raising bridge, and easy construction, can reduce and install and maintenance costs, environmental pollution is also little simultaneously.Reduce the bridge deck deadweight, improve the span ability and the service efficiency of bridge.
The technical scheme that its technical problem that solves the utility model adopts is:
The bridge deck pavement that comprises lower wing plate, web and the upper flange that is fixed together and be laid on the upper flange top, the wooden bridge panel of described bridge deck pavement links together by shear connector and upper flange, form steel wood combined bridge deck architecture, bear load jointly.
Asphalt mixture surfacing is equipped with on described wooden bridge panel upper berth.
Be connected with bolt between described wooden bridge panel and the upper flange.
The wooden bridge panel is that the wood lath that polylith is measure-alike connects by CLT technology gummed or stitching.
Lower wing plate, web and upper flange constitute I shape.
The utility model compared with prior art has the following advantages: 1, from heavy and light. the proportion of timber is 1/10 of steel, concrete about 1/4, therefore, the wooden bridge panel can alleviate the bridge dead load greatly, improve the mobile load ratio, make the stronger .2 of span ability of bridge construction, environmental protection and energy saving. compare with concrete material with traditional steel, timber has that to produce the required energy few, little to eco-environmental impact, characteristics such as the high and degradable use of utilization rate again, particularly after the production of timber and utilization enter the benign cycle stage, the just outstanding more .3 of the environment-friendly advantage of timber, anti-fatigue performance is good. and the fatigue strength of timber is the several times of other most of materials, wooden bridge panel anti-fatigue performance is far superior to Orthotropic Steel Bridge Deck .4, easy construction. the processing in factory of wooden bridge panel, the on-the-spot installation, because it is in light weight, therefore transportation, install all very convenient, reduction of erection time .5 greatly, corrosion-resistant. adopt the modern wood structure aseptic technic, the wooden bridge panel is through after the preservative treatment, have very strong waterproof and antiseptic power, can reach .6 more than 50 years service life, economy. it is more cheap that timber is compared other materials, technology is easy, easy to implement, particularly be convenient to gather materials on the spot in the abundant area of timber resources; Consider long-term maintenance costs, because the wooden bridge panel is replaced convenient, the more remarkable .7 of its economy, bridge floor integral working are good. based on the two-way good mechanical performance of solid plank of CLT, and be connected with girder steel and have advantages of good caking property with pavement materials such as bituminous concretes by bolt, its integral working is improved greatly.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is bridge deck and the local structural representation that amplifies of i-shape steel beam junction P among Fig. 1.
1-i shaped steel lower wing plate 2-i shaped steel web 3-i shaped steel upper flange
4-bolt preformed hole 5-wooden bridge panel 6-asphalt mixture surfacing
7-gummed seam 8-bolt
The specific embodiment
As shown in Figure 1, the utility model comprises lower wing plate 1, web 2 and upper flange 3 that is fixed together and the bridge deck pavement that is laid on upper flange 3 tops.Wooden bridge panel 5 is to be formed by three layers of solid plank gummed or screw stitching, and present embodiment adopts gummed seam 7 to connect, and links together by shear connector and i-shape steel beam upper flange 3, and wherein shear connector is a bolt 8.In this specific embodiment, shear connector is a bolt 8, and it is laid by a plurality of bolt preformed holes 4 that correspondence is opened on upper flange 3 and the wooden bridge panel 5.Described bridge deck pavement comprises wooden bridge panel 5 and the laying asphalt mixture surfacing 6 thereon that is positioned at upper flange 3 tops.
As shown in Figure 2, wooden bridge panel 5 is formed through CLT gummed or stitching by the wood lath of three layers, five layers or multilayer certain specification, and it is connected to form common stressed steel wood combined bridge deck architecture by bolt 8 and upper flange 3.
In actual building course, at first, correspondence is offered bolt preformed hole 4 on upper flange 3 and wooden bridge panel 5, connects with bolt 8 between the two, is subjected to climatic effect little, the deadweight of wooden bridge panel is light, the installation contraposition operation of its member is also easy, thus can corresponding simplification some build construction technologies, improve speed of application, shorten the construction period, make construction easier.Secondly, it is too much that the top nut part that it should be noted that bolt 8 should not exceed wooden bridge panel 5, in order to avoid influence road-ability.At last, on wooden bridge panel 5, lay one deck asphalt mixture surfacing 6, thereby finally form whole steel wood combined bridge deck architecture.Like this, because described bridge deck pavement comprises wooden bridge panel 5 and the asphalt mixture surfacing 6 that is positioned at upper flange 3 tops, thereby the layer of being laid of mating formation forms integral body and rigidity is big, fatigue resistance is high, from heavy and light, so reduced bridge dead load shared ratio in total load, improve the span of bridge construction, can solve the problem that present Longspan Bridge main span can't continue to increase.In addition, the use of wooden bridge panel is minimum to eco-environmental impact, recycling rate height, and replacing and maintenance cost are low.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (5)
1. staggered superimposed plank-girder steel combined bridge deck architecture, the bridge deck pavement that comprises lower wing plate (1), web (2) and the upper flange (3) that is fixed together and be laid on upper flange (3) top, it is characterized in that, the wooden bridge panel (5) of described bridge deck pavement links together by shear connector and upper flange (3), form steel wood combined bridge deck architecture, bear load jointly.
2. staggered superimposed plank according to claim 1-girder steel combined bridge deck architecture, it is characterized in that: asphalt mixture surfacing (6) is equipped with on described wooden bridge panel (5) upper berth.
3. according to claim 1 or 2 described staggered superimposed plank-girder steel combined bridge deck architecture, it is characterized in that: be connected with bolt (8) between described wooden bridge panel (5) and the upper flange (3).
4. according to claim 1 or 2 or 3 described staggered superimposed plank-girder steel combined bridge deck architecture, it is characterized in that: wooden bridge panel (5) is that the wood lath that polylith is measure-alike connects by CLT technology gummed or stitching.
5. staggered superimposed plank according to claim 1-girder steel combined bridge deck architecture is characterized in that lower wing plate (1), web (2) and upper flange (3) constitute I shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920034477 CN201447662U (en) | 2009-09-09 | 2009-09-09 | Steel grider combined bridge deck system structure of staggered superimposed sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920034477 CN201447662U (en) | 2009-09-09 | 2009-09-09 | Steel grider combined bridge deck system structure of staggered superimposed sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201447662U true CN201447662U (en) | 2010-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200920034477 Expired - Fee Related CN201447662U (en) | 2009-09-09 | 2009-09-09 | Steel grider combined bridge deck system structure of staggered superimposed sheet |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011364A (en) * | 2010-12-30 | 2011-04-13 | 长安大学 | Integral prefabricated cross-laminated timber (CLT) wooden plate girder bridge based on steel side stiffening |
| CN102367649A (en) * | 2011-11-21 | 2012-03-07 | 长安大学 | Steel-wood combined bridge structure with pored steel plate connecting piece |
| CN102877411A (en) * | 2012-10-16 | 2013-01-16 | 湖南大学 | Assembled-type aluminum alloy bridge deck slab-steel girder combined structure |
| CN104963276A (en) * | 2015-06-23 | 2015-10-07 | 江苏德丰建设集团有限公司 | Steel and bamboo combined box girder |
| CN105672496A (en) * | 2016-03-18 | 2016-06-15 | 沈阳建筑大学 | CLT (Cross Laminated Timber) wall-board connecting structure and connecting method thereof |
| CN108425313A (en) * | 2018-05-15 | 2018-08-21 | 中南林业科技大学 | A kind of wood-ultra-high performance concrete combination beam and its construction method |
| CN114000424A (en) * | 2021-10-28 | 2022-02-01 | 中铁建大桥工程局集团南方工程有限公司 | Steel-wood combined bridge deck structure and paving method thereof |
-
2009
- 2009-09-09 CN CN 200920034477 patent/CN201447662U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011364A (en) * | 2010-12-30 | 2011-04-13 | 长安大学 | Integral prefabricated cross-laminated timber (CLT) wooden plate girder bridge based on steel side stiffening |
| CN102011364B (en) * | 2010-12-30 | 2012-02-29 | 长安大学 | Integral prefabricated cross-laminated timber (CLT) wooden plate girder bridge based on steel side stiffening |
| CN102367649A (en) * | 2011-11-21 | 2012-03-07 | 长安大学 | Steel-wood combined bridge structure with pored steel plate connecting piece |
| CN102367649B (en) * | 2011-11-21 | 2014-04-09 | 长安大学 | Steel-wood combined bridge structure with pored steel plate connecting piece |
| CN102877411A (en) * | 2012-10-16 | 2013-01-16 | 湖南大学 | Assembled-type aluminum alloy bridge deck slab-steel girder combined structure |
| CN104963276A (en) * | 2015-06-23 | 2015-10-07 | 江苏德丰建设集团有限公司 | Steel and bamboo combined box girder |
| CN105672496A (en) * | 2016-03-18 | 2016-06-15 | 沈阳建筑大学 | CLT (Cross Laminated Timber) wall-board connecting structure and connecting method thereof |
| CN108425313A (en) * | 2018-05-15 | 2018-08-21 | 中南林业科技大学 | A kind of wood-ultra-high performance concrete combination beam and its construction method |
| CN108425313B (en) * | 2018-05-15 | 2024-04-26 | 中南林业科技大学 | Wood-ultra-high performance concrete composite beam and construction method thereof |
| CN114000424A (en) * | 2021-10-28 | 2022-02-01 | 中铁建大桥工程局集团南方工程有限公司 | Steel-wood combined bridge deck structure and paving method thereof |
| CN114000424B (en) * | 2021-10-28 | 2023-08-18 | 中铁建大桥工程局集团南方工程有限公司 | Steel-wood combined bridge deck structure and paving method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20120909 |