CN208577942U - Light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction - Google Patents

Light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction Download PDF

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Publication number
CN208577942U
CN208577942U CN201821116670.XU CN201821116670U CN208577942U CN 208577942 U CN208577942 U CN 208577942U CN 201821116670 U CN201821116670 U CN 201821116670U CN 208577942 U CN208577942 U CN 208577942U
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steel plate
sandwich
bridge deck
peg
combined bridge
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黄振宇
符占夏
祝侃
桂松柏
周英武
隋莉莉
邢锋
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Shenzhen University
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Shenzhen University
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Abstract

The utility model discloses a kind of light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam constructions, it include: sandwich combined bridge deck, the sandwich combined bridge deck, include: top steel plate, lower steel plate and the combination peg for being connected to the top steel plate and lower steel plate opposite side, takes shape in the top steel plate and the interior of lower steel plate opposite side fills concrete;Seam construction, the seam construction are connected between the two neighboring sandwich combined bridge deck;The seam construction includes: upper junction steel plate, lower junction steel plate and the combination peg for being connected to the upper junction steel plate and lower junction steel plate opposite side, takes shape in the upper junction steel plate and the interior of lower junction steel plate opposite side fills concrete.The utility model is a kind of easy construction, good mechanical performance, the light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction from heavy and light.

Description

Light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction
Technical field
The utility model relates to technical field of bridge engineering more particularly to a kind of easy construction, good mechanical performance, self weights Light light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction.
Background technique
Currently, the common floorings form of combination beam mainly has reinforced concrete bridge deck plate and prestressed concrete bridge face Plate.Wherein reinforced concrete bridge deck plate is from great, average plate thickness about 28cm, maximum transversal span about 5m, and in vehicle fatigue lotus Easily there is crack and damage under load effect, and at beam fulcrum hogging moment, since the tensile property of concrete is poor, is easy to produce and splits The facing concrete of seam, cracking has transmission characteristic, and chloride or other corrosive mediums are easy to infiltrate into bar list from surface layer Face, then steel bar corrosion generates swelling stress, eventually leads to brittle concrete cover and falls off.The fatigue damage of floorings is not The normal pass of vehicle is only influenced, and influences the safety and durability of substructure.When floorings horizontal span is larger, one As use prestressed concrete bridge panel, but it needs live tensioning transverse prestress, and construction procedure is cumbersome.And prestressed concrete The plate thickness of native floorings is still thicker, about 26cm, is self-possessed larger.If can be on the basis of not reducing floorings bearing capacity and rigidity Mitigate floorings self weight, by the great horizontal span for increasing floorings, improves its scope of application.Therefore, need to design it is a kind of by Power is reasonable, easy construction and using effect are good, good mechanical performance, the assembled beam based on steel reinforced concrete combined bridge deck from heavy and light Bridge and its construction method, installation speed is fast, short construction period.
Therefore, a kind of easy construction, good mechanical performance, the light-duty steel reinforced concrete sandwich sandwich combined bridge deck from heavy and light are needed Plate seam construction.
Utility model content
The purpose of the utility model is to provide a kind of easy construction, good mechanical performance, from light-duty steel reinforced concrete Sanming City of heavy and light Control sandwich combined bridge deck seam construction.
To achieve the goals above, technical solution provided by the utility model are as follows: a kind of light-duty steel reinforced concrete sandwich folder is provided Core combined bridge deck seam construction, comprising:
Sandwich combined bridge deck, the sandwich combined bridge deck, comprising: top steel plate, lower steel plate and be connected to described Top steel plate and the combination peg of lower steel plate opposite side, take shape in the top steel plate and lower steel plate opposite side in fill it is mixed Solidifying soil;
Seam construction, the seam construction are connected between the two neighboring sandwich combined bridge deck;
The seam construction includes: upper junction steel plate, lower junction steel plate and is connected to the upper junction steel plate and lower connection The combination peg of steel plate opposite side, takes shape in the upper junction steel plate and the interior of lower junction steel plate opposite side fills concrete.
The two sides of the upper junction steel plate respectively with the top steel plate of the two neighboring sandwich combined bridge deck Side welding;The two sides of the lower junction steel plate respectively with the lower steel plate of the two neighboring sandwich combined bridge deck Side welding.
The two sides of the upper junction steel plate and the junction of the top steel plate are also horizontally welded with longitudinal lap joint reinforcing bar, The two sides of the lower junction steel plate and the junction of the lower steel plate are also horizontally welded with longitudinal lap joint reinforcing bar.
The combination peg includes: J-type peg and vertical peg;
The opposite side of the top steel plate and lower steel plate is respectively equably laid with the J-type peg and vertical peg, In be laid in the top steel plate the J-type peg and the mutual hook joint of J-type peg being laid on the lower steel plate one It rises, the vertical peg for being laid in the top steel plate and the vertical peg being laid on the lower steel plate mutually stagger;
The opposite side of the upper junction steel plate and lower junction steel plate is respectively equably laid with the J-type peg and vertical bolt Nail, wherein be laid in the upper junction steel plate the J-type peg and the J-type peg being laid on the lower junction steel plate it is mutual Hook joint together, is laid in the vertical peg of the upper junction steel plate and the vertical bolt being laid on the lower junction steel plate Nail mutually staggers.
It is equipped with pouring hole through the upper surface and the lower surface of the upper junction steel plate, the pouring hole is used for the seam Construction fills concrete in pouring.
It is lightweight modified rubber fibre reinforced concrete that slow setting soil is filled in described.
Compared with prior art, due in the light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction of the utility model In, the utility model uses steel-concrete-steel clamp core composite bridge of the lightweight modified rubber fibre reinforced concrete as core layer Panel has good cracking resistance, anti-fatigue performance, inside fills constraint of the concrete by steel plate after molding, whole from heavy and light, Manufacture craft is easy, it can be achieved that prefabrication, assembled in situ are to improve architecture production rate;Top steel plate is in beam fulcrum hogging moment Place can undertake bigger pulling force, inhibit the development of distress in concrete, guarantee the durability of bridge, and the seam construction is connected to On the two neighboring sandwich combined bridge deck, the two neighboring sandwich combined bridge deck can be connected as one well It is whole.The structural elements of formation has from heavy and light, reduces the earthquake response of bridge, and the reduction of self weight also reduces basis and cushion cap Cost realizes considerable economic benefit, in addition, the utility model good integrity, durability is good, and ductility and toughness are high, anti-vehicle The features such as load performance is good, and manufacture craft is easy, reduces manually to improve construction efficiency, top steel plate is in beam fulcrum hogging moment Place can bear very big tensile stress, delay the development of distress in concrete, guarantee that the durability of combined bridge is good.
Through the following description and in conjunction with the attached drawings, the utility model will become more fully apparent, these attached drawings are for explaining this The embodiment of utility model.
Detailed description of the invention
Fig. 1 show one embodiment of the light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction of the utility model Schematic diagram.
Specific embodiment
The embodiments of the present invention are described referring now to the drawings, similar element numbers represent similar member in attached drawing Part.As described above, as shown in Figure 1, light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam provided by the embodiment of the utility model Construction 100, comprising:
Sandwich combined bridge deck 1a, 1b, and described sandwich combined bridge deck 1a, 1b are adjacent two and can be spliced Sandwich combined bridge deck;
The sandwich combined bridge deck 1a or 1b, the structure of the two are identical, include: top steel plate 10, lower part steel Plate 20 and the combination peg for being connected to 20 opposite side of the top steel plate 10 and lower steel plate, take shape in the top steel plate 10 and Concrete (not showing on figure) is filled in 20 opposite side of lower steel plate, it is described in fill concreting in the top steel plate 10, under When portion 20 opposite side of steel plate, the combination peg is coated completely
Seam construction 30, the seam construction 30 are connected between the two neighboring sandwich combined bridge deck 1a and 1b, The specifically described seam construction 30 is welded between the two neighboring heart combined bridge deck 1a and 1b, the seam construction 30 Two mutually independent sandwich combined bridge deck 1a and 1b are attached and are integrated
The seam construction 30 includes: upper junction steel plate 31, lower junction steel plate 32 and is connected to the upper junction steel plate 31 And the combination peg of lower 32 opposite side of junction steel plate, take shape in the interior of 32 opposite side of the upper junction steel plate 31 and lower junction steel plate Fill concrete (not showing on figure).Concrete concreting is filled in 32 phase of the upper junction steel plate 31 and lower junction steel plate in described When opposite side, the combination peg is coated completely, in fact, it is long rectangular-shaped, and interior that the seam construction 30 is seen in shape The internal structure of portion's structure and the sandwich combined bridge deck 1a or 1b, be substantially it is identical,
It should be noted that being connected to the combination peg of 20 opposite side of the top steel plate 10 and lower steel plate, it is connected to The combination peg of 32 opposite side of the upper junction steel plate 31 and lower junction steel plate, is attached by way of welding.
The seam construction 30, antifatigue load performance is strong, while upper junction steel plate 31, lower junction steel plate 32 prevent bottom It leaks outside with the distress in concrete at top, so that the durability of sandwich combined bridge deck is good, while the seam construction 30 is easy Realize prefabrication or pouring concrete in-situ.
It should be noted that the seam construction 30 can using upper junction steel plate 31, the lower junction steel plate 32 of combination peg Bending camber can't cause constructional difficulties.
In embodiment as shown in Figure 1, the two sides of the upper junction steel plate 31 respectively with the two neighboring sandwich combination It welds the side of the top steel plate 10 of floorings 1a, 1b;The two sides of the lower junction steel plate 32 respectively with two neighboring institute State the side welding of the lower steel plate 20 of sandwich combined bridge deck 1a, 1b.It so, it is possible two neighboring described sandwich group The seam of the top steel plate 10 and lower steel plate 20 that close floorings 1a, 1b links together well.
In embodiment as shown in Figure 1, the junction of the two sides of the upper junction steel plate 31 and the top steel plate 10 is also Horizontally it is welded with longitudinal lap joint reinforcing bar 40, the two sides of the lower junction steel plate 32 and the junction also water of the lower steel plate 20 Level land is welded with longitudinal lap joint reinforcing bar 40.By the longitudinal lap joint reinforcing bar 40, the upper junction steel plate can be improved well The connection of 31 two sides and the junction of the top steel plate 10, the two sides of the lower junction steel plate 32 and the lower steel plate 20 The globality at place, antifatigue load.
In embodiment as shown in Figure 1, the combination peg includes J-type peg 50 and vertical peg 60.
In embodiment as shown in Figure 1, the opposite side of the top steel plate 10 and lower steel plate 20 is respectively equably laid with The J-type peg 50 and vertical peg 60, wherein being laid in the J-type peg 50 of the top steel plate 10 and being laid in described The mutual hook joint of J-type peg 50 on lower steel plate 20 together, is laid in vertical 60 He of peg of the top steel plate 10 The vertical peg 60 being laid on the lower steel plate 20 mutually staggers;
In embodiment as shown in Figure 1, each equably cloth in the opposite side of the upper junction steel plate 31 and lower junction steel plate 32 Equipped with the J-type peg 50 and vertical peg 60, wherein being laid in the J-type peg 50 of the upper junction steel plate 31 and laying The mutual hook joint of J-type peg 50 on the lower junction steel plate 32 together, is laid in the described perpendicular of the upper junction steel plate 31 Straight peg 60 and the vertical peg 60 being laid on the lower junction steel plate 32 mutually stagger.
It should be noted that the J-type peg relies primarily on interlocking effect connection top steel plate and lower steel plate, upper connection Steel plate and lower junction steel plate, undertake transverse shearing force, and top steel plate and lower steel plate is prevented to be detached under Vehicle Load, And the vertical peg is primarily subjected to longitudinal shear, improves the compound action degree of sandwich combined bridge deck.
In embodiment as shown in Figure 1, the upper surface and the lower surface through the upper junction steel plate 31 is equipped with pouring hole 70, The pouring hole 70 fills concrete (not showing on figure) in being used to pour to the seam construction 30.
In one embodiment, the interior slow setting soil that fills is lightweight modified rubber fibre reinforced concrete.The lightweight rubber of use Glue modified fibre enhances cement-based material as sandwich layer, improves the tensile strength of concrete core layer, delays fulcrum hogging moment Locate the development of distress in concrete.The lightweight modified rubber fibre reinforced concrete of use has from heavy and light, intensity height (density 1000-1500kg/m3, compression strength are up to 60MPa), sound insulation, good heat-insulation effect, have good cracking resistance, wearability and The features such as deformation performance, anti-aging, impermeabilisation and anti-freezing property are superior, and high temperature anti-spalling is good, and anti-fatigue performance is good;It can Rubber powder made of damaged tire is added in concrete, it can be achieved that pollution-freeization of damaged tire handles and follow bad utilization, rubber Powder mixes effective fill concrete gap in concrete, constrains the development of crackle, improves concrete damped coefficient, and it is anti-dynamic to improve it Carry performance;In addition, rubber powder as elastomer, absorbs strain energy in concrete loading process and consumes energy;By steel fibre or Polypropylene fibre mixes rubber concrete, improves its resistance to compression, tensile strength and resists tough performance;Lightweight modified rubber fiber reinforcement is mixed Solidifying soil mixes peg (J-type peg, vertical peg) by novel with the co-operation performance of steel plate, and J-type peg relies primarily on mutually Lock effective connectivity top steel plate and lower steel plate undertake transverse shearing force, prevent top steel plate and lower steel plate in Vehicle Load Lower to be detached from, vertical peg is primarily subjected to longitudinal shear, makes the compound action journey of steel steel reinforced concrete sandwich sandwich combined bridge deck Degree improves.
Lightweight modified rubber fibre reinforced concrete flyash, silicon ash, rubber powder, ordinary portland cement, PVA fiber With water by mix maintenance molding.
One, prefabrication step: the light-duty steel reinforced concrete three using lightweight modified rubber fibre reinforced concrete as core layer Mingzhi's sandwich combined bridge deck, can be prefabricated in the factory, production order is as follows:
(1) by mixing peg, that is, J-type peg and vertical welding of peg in the opposite side of top steel plate and lower steel plate, wherein J-type peg and vertical peg are uniform weldings on top steel plate and lower steel plate, and J-type peg realizes interlocking by dislocation lap joint Effective connectivity top steel plate and lower steel plate are formed whole;
(2) lightweight modified rubber fibre reinforced concrete is poured as core layer,
(3) maintenance molding.
Two, site operation step:
(1) it by the light-duty steel reinforced concrete sandwich sandwich combined bridge deck piecemeal transporting and hoisting being prefabricated in the factory to bridge location, places In on supporting bridge.
(2) be welded with J-type peg for one piece, the upper junction steel plate of vertical peg accomplishes fluently pouring hole, and wielding neck is adjacent Then the side of the top steel plate of two pieces of sandwich combined bridge decks passes through the lower junction steel plate for being welded with J-type peg, vertical peg Dislocation lap joint mode makes junction steel plate and lower junction steel plate be connected, and wielding neck is in adjacent two pieces of sandwich combined bridge decks The side of lower steel plate, from pouring hole upper pouring lightweight modified rubber fibre reinforced concrete, maintenance molding.
It above disclosure is merely preferred embodiments of the utility model, certainly cannot be practical new to limit this with this The interest field of type, therefore equivalent variations made according to the patent scope of the utility model still belong to the utility model and are covered Range.

Claims (6)

1. a kind of light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction characterized by comprising
Sandwich combined bridge deck, the sandwich combined bridge deck, comprising: top steel plate, lower steel plate and be connected to the top Steel plate and the combination peg of lower steel plate opposite side, take shape in the top steel plate and the interior of lower steel plate opposite side fills coagulation Soil;
Seam construction, the seam construction are connected between the two neighboring sandwich combined bridge deck;
The seam construction includes: upper junction steel plate, lower junction steel plate and is connected to the upper junction steel plate and lower junction steel plate The combination peg of opposite side, takes shape in the upper junction steel plate and the interior of lower junction steel plate opposite side fills concrete.
2. light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction as described in claim 1, which is characterized in that on described It is welded respectively with the side of the top steel plate of the two neighboring sandwich combined bridge deck two sides of junction steel plate;Under described It is welded respectively with the side of the lower steel plate of the two neighboring sandwich combined bridge deck two sides of junction steel plate.
3. light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction as claimed in claim 2, which is characterized in that on described The two sides of junction steel plate and the junction of the top steel plate are also horizontally welded with longitudinal lap joint reinforcing bar, the lower junction steel plate Two sides and the junction of the lower steel plate be also horizontally welded with longitudinal lap joint reinforcing bar.
4. light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction as described in claim 1, which is characterized in that
The combination peg includes: J-type peg and vertical peg;
The opposite side of the top steel plate and lower steel plate is respectively equably laid with the J-type peg and vertical peg, wherein cloth The J-type peg of the top steel plate is located at together with the mutual hook joint of J-type peg being laid on the lower steel plate, cloth The vertical peg for being located at the top steel plate and the vertical peg being laid on the lower steel plate mutually stagger;
The opposite side of the upper junction steel plate and lower junction steel plate is respectively equably laid with the J-type peg and vertical peg, In be laid in the upper junction steel plate the J-type peg and the mutual hook joint of J-type peg being laid on the lower junction steel plate Together, the vertical peg of the upper junction steel plate and the vertical peg phase being laid on the lower junction steel plate are laid in Mutually it is staggered.
5. light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction as described in claim 1, which is characterized in that run through institute The upper surface and the lower surface for stating junction steel plate is equipped with pouring hole, and the pouring hole is mixed for filling in pouring to the seam construction Solidifying soil.
6. light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction as claimed in any one of claims 1 to 5, feature exist In the interior slow setting soil that fills is lightweight modified rubber fibre reinforced concrete.
CN201821116670.XU 2018-07-13 2018-07-13 Light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction Active CN208577942U (en)

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Application Number Priority Date Filing Date Title
CN201821116670.XU CN208577942U (en) 2018-07-13 2018-07-13 Light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction

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Application Number Priority Date Filing Date Title
CN201821116670.XU CN208577942U (en) 2018-07-13 2018-07-13 Light-duty steel reinforced concrete sandwich sandwich combined bridge deck seam construction

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111622182A (en) * 2020-06-05 2020-09-04 深圳大学 Flexible inhaul cable energy dissipation steel-concrete sandwich combined protection system for coastal building
CN113898066A (en) * 2021-10-11 2022-01-07 青岛理工大学 Double-steel-plate concrete composite structure and construction method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111622182A (en) * 2020-06-05 2020-09-04 深圳大学 Flexible inhaul cable energy dissipation steel-concrete sandwich combined protection system for coastal building
CN111622182B (en) * 2020-06-05 2024-04-30 深圳大学 Flexible inhaul cable energy consumption steel-concrete sandwich combined protection system for coastal building
CN113898066A (en) * 2021-10-11 2022-01-07 青岛理工大学 Double-steel-plate concrete composite structure and construction method thereof

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