CN105350445A - Novel efficient assembly-type reinforced concrete composite beam - Google Patents
Novel efficient assembly-type reinforced concrete composite beam Download PDFInfo
- Publication number
- CN105350445A CN105350445A CN201510618403.7A CN201510618403A CN105350445A CN 105350445 A CN105350445 A CN 105350445A CN 201510618403 A CN201510618403 A CN 201510618403A CN 105350445 A CN105350445 A CN 105350445A
- Authority
- CN
- China
- Prior art keywords
- reinforced concrete
- concrete
- steel
- new
- compound beam
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a novel efficient assembly-type reinforced concrete composite beam, and belongs to the technical field of bridge construction. The novel efficient assembly-type reinforced concrete composite beam comprises a concrete bridge deck and a steel girder; the concrete bridge deck is arranged on the steel girder; a top flange plate of the steel girder is fixedly connected with a ribbed plate extending in the vertical direction of the steel girder; the bottom of the concrete bridge deck is provided with a channel extending in the vertical direction of the steel girder; the ribbed plate is arranged in the channel; two side edges of the top flange plate are fixedly connected with rubber sealing strips extending in the vertical direction of the steel girder; the bottom surface of the concrete bridge deck is in lap joint with the rubber sealing strips; the top flange plate, the rubber sealing strips, the bottom surface of the concrete bridge deck, and the channel of the concrete bridge deck defines a grouting channel; and the grouting channel is filled with a high-strength pouring sealant material. According to the invention, a series of problems brought by processing of reinforced concrete connecting pieces and cast-in-place of jointed concrete are effectively avoided, the construction quality is guaranteed, at the same time, the on-site work efficiency is improved, and the novel efficient assembly-type reinforced concrete composite beam is more environmentally friendly, and has good economic benefits.
Description
Technical field
The present invention relates to a kind of novel steel reinforced concrete compound beam, belong to technical field of bridge construction, particularly relate to a kind of efficient assembling steel reinforced concrete compound beam without the need to cast-in-place concrete.
Background technology
In bridge construction field, steel-concrete combined structure effectively can reduce own wt, improves span ability, range of application and having a extensive future.
In steel performance, usually adopt connector both combine figure as shown in Figure 1, Figure 2 with kind of the connector of three shown in Fig. 3: weldering nail connector, perforated plate connector are connected parts with shaped steel, and wherein weldering is followed closely connector and is most widely used.Combination construction in steel-concrete combined structure adopts rear flow welding to follow closely the mode (as shown in Figure 4 and Figure 5) of seam between preformed hole or piecemeal concrete slab usually, lift in advance above girder steel by prefabricated bridge, after by rear pouring concrete realize steel reinforced concrete combine.Practice shows, above-mentioned two kinds of combinations can bring the problem such as bonding surface burn into concrete cracking, the control of rear pouring concrete difficult quality, more crucially will increase cast-in-place operation, extends the site operation cycle.Current, one of prefabricated construction important development direction having become bridge construction field.For composite bridge, because girder steel and concrete slab can manufacture in factory respectively, girder steel can be used as platform and realizes in-site installation and without the need to building template, possess prefabricated construction condition.For this reason, a kind of Novel connection connection technology being conducive to the efficient assembling of steel-concrete combined structure of exploitation is badly in need of.
In Chinese utility model patent manual CN203129439U, disclose a kind of steel-concrete composite beam, it comprises, and comprises girder steel, concrete beam, open pore steel plate and with ribbingly runs through reinforcing bar; It is characterized in that: open pore steel plate is welded on the surface of steel beam flange; The web of girder steel has the circular hole corresponding with open pore steel plate; The reinforcing bar that runs through with ribbing passes from the center of circular hole open pore steel plate and steel beam web plate; Concrete beam is cast in the periphery of girder steel, wraps up described open pore steel plate, with ribbingly runs through reinforcing bar.Although this utility model improves the load assignment state of shear connector in steel-concrete composite beam, the stress distribution of steel-concrete composite beam, and the safety factor of steel-concrete composite beam can be improved, and easy construction, efficiency of construction are high, without the need to the construction equipment of complexity.But pouring concrete is built and is realized steel reinforced concrete combination, so this utility model exists the problems such as steel reinforced concrete bonding surface burn into concrete cracking, the control of rear pouring concrete difficult quality after this steel-concrete composite beam is remained and coordinated by flow welding nail preformed hole; The steel-concrete composite beam of this utility model is that employing is integrally formed simultaneously, and therefore this steel reinforced concrete compound beam is not easy to transport and installs.
In Chinese invention patent manual CN101831869A, disclose a kind of compound beam and concrete support beam connecting structure, it comprises girder steel, concrete bearing cross beam, and wherein, girder steel is interrupted at central bearing point place, is connected with concrete bearing cross beam; End plate is set in girder steel end, end plate is provided with perforated panel or welds nail connection girder steel and concrete bearing cross beam, with this transfer beams body shearing and moment of flexure; Be furnished with distributing bar in concrete bearing cross beam, form reinforcing cage together with main stress reinforcing bar; Concrete pier is arranged bearing support bottom concrete bearing cross beam.Although use the syndeton of this invention can make concrete shrinkage, the decking in the negative moment region tensile stress caused with the temperature difference of creeping reduce, there is power transmission simultaneously succinct, clear and definite, hogging moment area is without the need to Shi Hanzhang, eliminate bent cap, on-the-spot without the need to welding for steel structure, the advantage such as the installation position adjustable of bridge pier is good, but still there is the problems such as steel reinforced concrete bonding surface burn into concrete cracking, the control of rear pouring concrete difficult quality in this invention; And step is various when utilizing this invention assembly beam bridge, first erection is needed to complete girder steel, arrange the reinforcing bar of template and concrete bearing cross beam and bridge deck, first building span centre concrete builds near fulcrum and the concrete of joint portion again, installs permanent bearing, form removal, the frame that falls can form Steel concrete continuous composite beam bridge construction; It is long that this cover operation expends man-hour, and construction intensity is large.
A kind of novel steel-concrete combination beam is disclosed, it concrete slab comprising web, be connected to the bottom wing listrium bottom web and build in web top in Chinese invention patent manual CN101435249A; Build outside web and be enclosed with light aggregate concrete protection layer.Although this invention improves compound beam fire resistance, rigidity and resistance to overturning, but the steel-concrete composite beam preparation method of this invention is loaded down with trivial details, and still there is concrete and contact the problems such as the steel reinforced concrete bonding surface burn into concrete cracking caused with steel beam surface.
Summary of the invention
For the defect that above-mentioned prior art exists, the technical problem to be solved in the present invention is to provide kind of new and effective assembling steel reinforced concrete compound beam and manufactures construction method, it effectively can solve concrete and contact the problems such as the steel reinforced concrete bonding surface burn into concrete cracking caused with steel beam surface, effectively can improve work efficiency under the prerequisite ensureing construction quality simultaneously, and environmental protection more.
For solving the problems of the technologies described above, present invention employs so a kind of new and effective assembling steel reinforced concrete compound beam, it comprises concrete slab and girder steel; Described concrete slab is positioned at above described girder steel; The top flange plate of described girder steel is connected with the floor along girder steel longitudinal extension; The bottom of described concrete slab is provided with the conduit along girder steel longitudinal extension; Described floor is positioned at described conduit; The dual-side of described top flange plate is along the rubber seal strip be connected with along girder steel longitudinal extension; The bottom surface of described concrete slab is overlapped in described rubber seal strip; Bottom surface and the described conduit of described top flange plate, described rubber seal strip, described concrete slab surround a grouting channel; High-strength encapsulating material is filled with in described grouting channel.
In a kind of preferred embodiment that the invention discloses, described concrete slab comprises polylith prefabricated bridge; Connect by glueing joint between described prefabricated bridge.
In a kind of preferred embodiment that the invention discloses, gluedd joint by epoxy resin between described prefabricated bridge.
In a kind of preferred embodiment that the invention discloses, between described polylith prefabricated bridge, be provided with multiple shear connector tooth.
In a kind of preferred embodiment that the invention discloses, above the conduit of described polylith prefabricated bridge, be provided with the grouting mouth be communicated with conduit.
In a kind of preferred embodiment that the invention discloses, the surface of described floor is provided with the decorative pattern that can improve floor surface roughness.
In a kind of preferred embodiment that the invention discloses, described floor is provided with multiple through hole.
In a kind of preferred embodiment that the invention discloses, described conduit is key profile of tooth groove.
In a kind of preferred embodiment that the invention discloses, the surface of described conduit is all by roughening process.
In a kind of preferred embodiment that the invention discloses, described girder steel is i-shape steel beam or grooved girder steel.
The invention has the beneficial effects as follows: the present invention achieves the quick assembling construction of steel reinforced concrete compound beam by injecting high-strength grout in the grouting channel that surrounds at precast concrete bridge deck, rubber seal strip and prefabricated girder steel, because precast concrete bridge deck are prefabricated in factory in advance completing, so without the need to concrete cast-in-situ operation in bridge construction process, thus efficiently solve the problems such as steel reinforced concrete compound beam bonding surface burn into concrete cracking, the control of rear pouring concrete difficult quality; The present invention improves the assembling efficiency of construction of steel reinforced concrete compound beam effectively, reduce simultaneously construction consuming time, reduce construction intensity, avoid the series of problems that machined steel mixed connection fitting and cast in situs joint concrete bring, on-the-spot work efficiency is improved while guarantee construction quality, and more environmental protection, there is good economic benefit.
Accompanying drawing explanation
Fig. 1 is the weldering nail connecting-piece structure schematic diagram that in prior art, steel reinforced concrete compound beam adopts;
Fig. 2 is the perforated plate connector structural representation that in prior art, steel reinforced concrete compound beam adopts;
Fig. 3 is the structural steel connecting member structural representation that in prior art, steel reinforced concrete compound beam adopts;
Fig. 4 is the schematic diagram that after adopting in prior art, flow welding nail preformed hole mode realizes the assembling of steel reinforced concrete compound beam;
Fig. 5 adopts seam arrangements between piecemeal concrete slab to realize the schematic diagram of the assembling of steel reinforced concrete compound beam in prior art;
Fig. 6 is the structural representation of a kind of new and effective assembling steel reinforced concrete compound beam of the embodiment of the present invention;
Fig. 7 is the structural representation of the Novel self-lock connector adopted in a kind of new and effective assembling steel reinforced concrete compound beam of the embodiment of the present invention;
Fig. 8 is the structural representation adopting i-shape steel beam embodiment in a kind of new and effective assembling steel reinforced concrete compound beam of the embodiment of the present invention;
Fig. 9 is the structural representation adopting grooved girder steel embodiment in a kind of new and effective assembling steel reinforced concrete compound beam of the embodiment of the present invention;
Figure 10 is the grouting channel structural representation of a kind of new and effective assembling steel reinforced concrete compound beam of the embodiment of the present invention;
Figure 11 is the structural representation being arranged on shear connector tooth between prefabricated bridge in a kind of new and effective assembling steel reinforced concrete compound beam of the embodiment of the present invention;
Figure 12 is the grouting mouth position view of a kind of new and effective assembling steel reinforced concrete compound beam of the embodiment of the present invention;
Figure 13 is the Novel self-lock connector operating principle schematic diagram be made up of high-strength encapsulating material in a kind of new and effective assembling steel reinforced concrete compound beam of the embodiment of the present invention;
In figure: 1-concrete slab, 2-girder steel, 3-floor, 4-conduit, 5-rubber seal strip, 6-grouting channel, the high-strength encapsulating material of 7-, 8-shear connector tooth, 9-is in the milk mouth, 1a-prefabricated bridge, 2a-top flange plate.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
From the structural representation of a kind of new and effective assembling steel reinforced concrete compound beam shown in Fig. 6 and Fig. 7, new and effective assembling steel reinforced concrete compound beam of the present invention comprises concrete slab 1 and girder steel 2; Concrete slab 1 is installed on above girder steel 2; The top flange plate 2a of girder steel 2 is connected with the floor 3 along girder steel longitudinal extension; The bottom of concrete slab 1 is provided with the conduit 4 along girder steel longitudinal extension, and this conduit 4 is rectangular-shaped, and inwall is all by roughening process, and the method for wherein conduit 4 interface roughness process comprises brushing medicament, hydraulic giant rinses dabbing, sandblasting etc.Several relatively more conventional way is: (1) surface retarders+giant rinses: on reserved groove bed die, be coated with surface retarders, when concrete strength reaches 30% of design strength, remove reserved groove bed die, timely high pressure water washing cement paste, make surface expose stone, reach dabbing effect.(2) reserved groove bed die adopts special roughening template, comprise template and net, net is detachably fixed on template surface, and net is identical with the surface size of template, and the geometry of grid forms closed indent geometry on the surface at reserved conduit interface; Floor 3 is positioned at conduit 4, and floor 3 is provided with multiple through hole, and the surface of floor 3 is processed with the decorative pattern that can improve floor surface roughness; The dual-side of top flange plate 2a is along the rubber seal strip 5 be connected with along girder steel longitudinal extension; The bottom surface of concrete slab 1 is overlapped in described rubber seal strip 5, concrete slab 1 realizes compressing thus ensure that its sealing to rubber seal strip 5 by self gravitation, such as: certain steel reinforced concrete combined box beam employing shore hardness is high resiliency, high density, ageing-resistant, the etch-proof neoprene bar of 60.Rubber strip is compressed to 20mm by thick 35mm under the effect of prefabricated bridge weight, and compression ratio reaches 42.8%.The bottom surface of top flange plate 2a, rubber seal strip 5, concrete slab 1 and conduit 4 four surround an inverted T-shape grouting channel 6 (as shown in Figure 10); High-strength encapsulating material 7 is filled with in grouting channel 6, high-strength encapsulating material 7 forms Novel self-lock connector, and this high-strength encapsulating material 7 is that a kind of cement based of early strong (1d>35MPa), good fluidity (divergence >550mm), compressive strength high (28d>80MPa) is dry mixed material.
In the present invention, it is prefabricated that concrete slab 1 and girder steel 2 all can carry out standardization in processing factory, complete processing and the roughening process of concrete slab 1 bottom channel 4 simultaneously, then transport the prefabricated concrete slab 1 that completes and girder steel 2 to construction and installation on-site consolidation.Therefore concrete slab 1 can pass through prefabricated polylith prefabricated bridge 1a, then concrete slab 1 can be formed by glueing joint connection between prefabricated bridge 1a at the construction field (site), in order to improve the stability that prefabricated bridge 1a glueds joint, splicing face between prefabricated bridge 1a is provided with multiple shear connector tooth 8, as shown in figure 11.Only floor 3 need be inserted bridge deck conduit 4 during installation, realize steel reinforced concrete combination as shown in figure 12 by a kind of high-strength grout 7 of grouting mouth 9 pressure injection on prefabricated bridge 1a, whole installation period is without the need to concrete cast-in-situ operation.Above the conduit 4 of every block prefabricated bridge 1a, all arrange slurry mouth, wherein stock inlet is arranged in initial sections or last sections, and all the other sections all arrange grout outlet.In the present invention, the structure of girder steel 2 can adopt i-shape steel beam or grooved girder steel, as shown in Figure 8 and Figure 9.
A kind of Novel self-lock connector formed by injecting high-strength grout 7 in the grouting channel 6 of an inverted T-shape sealing that surrounds to the bottom surface of top flange plate 2a, rubber seal strip 5, concrete slab 1 and conduit 4 four be the present invention in order to solve the key to the issues such as steel reinforced concrete compound beam bonding surface burn into concrete cracking, the control of rear pouring concrete difficult quality, the form of structure of this Novel self-lock connector is as shown in Figure 7.The operating principle of this Novel self-lock connector is as follows: different from traditional connectors, and this Novel self-lock connector relies on high-strength grout and bridge deck to reserve bonding between groove and steel plate interface, rub to meet longitudinal shear resistance and the vertical stressed demand such as drawing.Figure 13 is the operating principle of Novel self-lock connector opposing longitudinal shear, under longitudinal shear τ effect, steel reinforced concrete interface has the trend of slippage s simultaneously inevitable along with the protuberance separation u between different materials, and this separation u is limited by the normal stress σ that transverse prestress in bridge deck produces, separation trend is larger, and normal stress is also larger.From the mechanism of action, also this efficient type of attachment is fast referred to as self-lock connecting piece.
Use concrete mode of the present invention as follows:
(1) in factory, manufacture girder steel part, comprise the processing contents such as the decorative pattern to floor above girder steel, perforate;
(2) concreting bridge deck in precasting yard.First build initial sections, and using this sections as matching segment, build next bridge deck sections;
(3) sections bridge deck are prefabricated completes, and need carry out roughening process to conduit interface reserved below bridge deck, process means comprise brushing medicament, hydraulic giant rinses dabbing, sandblasting etc.;
(4) at assembled scene, by lifting appliance, the girder steel part in compound beam is installed;
(5) using girder steel as platform for lining, before bridge deck are installed, lateral prestressing tendon and anchorage installation are put in place, until after concrete slab installation and bridge location place be in the milk, jack pair lateral prestressing tendon can be utilized to carry out stretch-draw.Trifle section concrete bridge deck being installed successively, connecting by smearing epoxide-resin glue between sections; Before bridge deck are installed, need in advance at girder steel top board end face along both sides of the edge along bridge to the compressible rubber seal strip of elongated stickup to form the grouting channel between steel reinforced concrete; Prefabricated bridge utilizes own wt rubber strip should be compressed completely, to ensure the sealing of grouting channel;
(6) special high-strength grout is noted in in-passage pressure.First rinsing with pressure clear water before mud jacking will the duct of mud jacking, then be pressed into grouting material one end from stock inlet, from grout outlet discharge rear enclosed; Its concrete steps comprise: first, before grouting, adopt press-in air to carry out hole clearly to grouting channel, and check sealing rubber strip whether can bear grouting pressure; Then, should be mixed uniform according to product operation instruction by grouting material, its degree of mobilization should meet product instructions for use; Then, when being in the milk, grouting material being injected from stock inlet, lasting till that each pulp oral pore continuous stream uses rubber stopper shutoff plasma discharge hole after going out cylindric slurries; After completing grouting; reply compound beam more protection; avoid being subject to shock and vibration; and reach after prescribed strength can carry out subsequent construction until grouting material; it should be noted that in grouting operation process; if there is cannot the situation of pulp, cementing operations should be stopped immediately, ascertain the reason and fix a breakdown in time.
(7) transverse prestress in cable stay bridge panel.
In addition, by taking steel floor Surface Machining to become textured or directly perforate, bridge deck reserve groove and are set to the construction measures such as key flute profile, improve the adhesive property at high-strength grout and steel reinforced concrete interface further, more can meet force request.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a new and effective assembling steel reinforced concrete compound beam, comprises concrete slab (1) and girder steel (2); Described concrete slab (1) is positioned at described girder steel (2) top; The top flange plate (2a) of described girder steel (2) is connected with the floor (3) along girder steel longitudinal extension; It is characterized in that: the bottom of described concrete slab (1) is provided with the conduit (4) along girder steel longitudinal extension; Described floor (3) is positioned at described conduit (4); The dual-side of described top flange plate (2a) is along the rubber seal strip (5) be connected with along girder steel longitudinal extension; The bottom surface of described concrete slab (1) is overlapped in described rubber seal strip (5); Bottom surface and the described conduit (4) four of described top flange plate (2a), described rubber seal strip (5), described concrete slab (1) surround a grouting channel (6); High-strength encapsulating material (7) is filled with in described grouting channel (6).
2. a kind of new and effective assembling steel reinforced concrete compound beam as claimed in claim 1, is characterized in that: described concrete slab (1) comprises polylith prefabricated bridge (1a); Connect by glueing joint between described prefabricated bridge (1a).
3. a kind of new and effective assembling steel reinforced concrete compound beam as claimed in claim 2, be is characterized in that: gluedd joint by epoxy resin between described prefabricated bridge (1a).
4. a kind of new and effective assembling steel reinforced concrete compound beam as claimed in claim 2, is characterized in that: be provided with multiple shear connector tooth (8) between described prefabricated bridge (1a).
5. a kind of new and effective assembling steel reinforced concrete compound beam as claimed in claim 2, is characterized in that: conduit (4) top of described prefabricated bridge (1a) is provided with the grouting mouth (9) be communicated with conduit (4).
6. a kind of new and effective assembling steel reinforced concrete compound beam as claimed in claim 1, is characterized in that: the surface of described floor (3) is provided with the decorative pattern that can improve floor surface roughness.
7. the new and effective assembling steel reinforced concrete of the one as described in claim 1 or 6 compound beam, is characterized in that: (3) are provided with multiple through hole to described floor.
8. a kind of new and effective assembling steel reinforced concrete compound beam as claimed in claim 1, is characterized in that: described conduit (4) is key profile of tooth groove.
9. the new and effective assembling steel reinforced concrete of the one as described in claim 1 or 8 compound beam, is characterized in that: the surface of described conduit (4) is all by roughening process.
10. a kind of new and effective assembling steel reinforced concrete compound beam as claimed in claim 1, is characterized in that: described girder steel (2) is i-shape steel beam or grooved girder steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618403.7A CN105350445A (en) | 2015-09-24 | 2015-09-24 | Novel efficient assembly-type reinforced concrete composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618403.7A CN105350445A (en) | 2015-09-24 | 2015-09-24 | Novel efficient assembly-type reinforced concrete composite beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105350445A true CN105350445A (en) | 2016-02-24 |
Family
ID=55326498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510618403.7A Pending CN105350445A (en) | 2015-09-24 | 2015-09-24 | Novel efficient assembly-type reinforced concrete composite beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105350445A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803939A (en) * | 2016-04-27 | 2016-07-27 | 长安大学 | Open steel tube and reinforced-concrete combined girder bridge structure |
| CN106087741A (en) * | 2016-08-12 | 2016-11-09 | 长安大学 | A kind of seam bolt connects precast concrete floorings and method for prefabricating |
| CN106149546A (en) * | 2016-08-04 | 2016-11-23 | 浙江工业大学 | Steel rubber concrete combined bridge beam slab |
| CN106284047A (en) * | 2016-08-04 | 2017-01-04 | 浙江工业大学 | Steel concrete combined bridge beam slab |
| CN106638254A (en) * | 2016-12-30 | 2017-05-10 | 湖南省交通规划勘察设计院 | Secondary main beam composite beam bridge using prefabricated composite bridge deck slabs and construction method of secondary main beam composite beam bridge |
| CN107620254A (en) * | 2017-09-29 | 2018-01-23 | 中交公路长大桥建设国家工程研究中心有限公司 | Main span span centre region uses the hybrid combining beam bridge of steel lightweight concrete |
| CN108316530A (en) * | 2018-01-11 | 2018-07-24 | 水利部交通运输部国家能源局南京水利科学研究院 | The assembled steel reinforced concrete composite floor and installation method connected using self-locking |
| CN108643449A (en) * | 2018-04-18 | 2018-10-12 | 浙江交通职业技术学院 | A kind of detachably prefabricated assembled Steel-concrete Combined Beam Structures and manufacture craft |
| CN109736201A (en) * | 2019-01-18 | 2019-05-10 | 中铁第四勘察设计院集团有限公司 | Steel-is combined to mix bondbeam and bridge and construction method after wet seam built in one kind |
| CN110055871A (en) * | 2019-05-09 | 2019-07-26 | 周劲宇 | Full assembled B-G connection steel-concrete composite beams bridge |
| CN110685211A (en) * | 2019-11-13 | 2020-01-14 | 中国人民解放军陆军工程大学 | Full composite bridge and erection method |
| CN114438871A (en) * | 2020-11-06 | 2022-05-06 | 深圳市桥博设计研究院有限公司 | Assembled composite structure bridge and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5394667A (en) * | 1993-03-01 | 1995-03-07 | Nystrom; Ron | Flooring construction and method |
| CN101831985A (en) * | 2010-06-04 | 2010-09-15 | 北京万科企业有限公司 | Precast concrete wallboard and preparation method thereof |
| CN201933398U (en) * | 2010-12-10 | 2011-08-17 | 清华大学 | Longitudinal slidable steel-concrete anti-lifting connecting piece |
| CN103452320A (en) * | 2013-09-05 | 2013-12-18 | 中铁上海工程局有限公司 | Concrete dabbing construction method |
| CN203546589U (en) * | 2013-10-24 | 2014-04-16 | 同济大学 | Steel girder-integral lifting arm prefabricated concrete bridge panel combined girder bridge |
| CN204530418U (en) * | 2015-03-19 | 2015-08-05 | 安徽省交通规划设计研究总院股份有限公司 | A kind of steel plate combination beam bridge |
| CN104831617A (en) * | 2015-05-26 | 2015-08-12 | 福州大学 | Steel-super high performance concrete composite beam based on ribbed plate type bridge deck and construction method |
-
2015
- 2015-09-24 CN CN201510618403.7A patent/CN105350445A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5394667A (en) * | 1993-03-01 | 1995-03-07 | Nystrom; Ron | Flooring construction and method |
| CN101831985A (en) * | 2010-06-04 | 2010-09-15 | 北京万科企业有限公司 | Precast concrete wallboard and preparation method thereof |
| CN201933398U (en) * | 2010-12-10 | 2011-08-17 | 清华大学 | Longitudinal slidable steel-concrete anti-lifting connecting piece |
| CN103452320A (en) * | 2013-09-05 | 2013-12-18 | 中铁上海工程局有限公司 | Concrete dabbing construction method |
| CN203546589U (en) * | 2013-10-24 | 2014-04-16 | 同济大学 | Steel girder-integral lifting arm prefabricated concrete bridge panel combined girder bridge |
| CN204530418U (en) * | 2015-03-19 | 2015-08-05 | 安徽省交通规划设计研究总院股份有限公司 | A kind of steel plate combination beam bridge |
| CN104831617A (en) * | 2015-05-26 | 2015-08-12 | 福州大学 | Steel-super high performance concrete composite beam based on ribbed plate type bridge deck and construction method |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803939A (en) * | 2016-04-27 | 2016-07-27 | 长安大学 | Open steel tube and reinforced-concrete combined girder bridge structure |
| CN106149546A (en) * | 2016-08-04 | 2016-11-23 | 浙江工业大学 | Steel rubber concrete combined bridge beam slab |
| CN106284047A (en) * | 2016-08-04 | 2017-01-04 | 浙江工业大学 | Steel concrete combined bridge beam slab |
| CN106087741A (en) * | 2016-08-12 | 2016-11-09 | 长安大学 | A kind of seam bolt connects precast concrete floorings and method for prefabricating |
| CN106638254A (en) * | 2016-12-30 | 2017-05-10 | 湖南省交通规划勘察设计院 | Secondary main beam composite beam bridge using prefabricated composite bridge deck slabs and construction method of secondary main beam composite beam bridge |
| CN107620254B (en) * | 2017-09-29 | 2023-10-31 | 中交公路长大桥建设国家工程研究中心有限公司 | Mixed combined beam bridge adopting steel-light concrete in main span midspan region |
| CN107620254A (en) * | 2017-09-29 | 2018-01-23 | 中交公路长大桥建设国家工程研究中心有限公司 | Main span span centre region uses the hybrid combining beam bridge of steel lightweight concrete |
| CN108316530A (en) * | 2018-01-11 | 2018-07-24 | 水利部交通运输部国家能源局南京水利科学研究院 | The assembled steel reinforced concrete composite floor and installation method connected using self-locking |
| CN108643449A (en) * | 2018-04-18 | 2018-10-12 | 浙江交通职业技术学院 | A kind of detachably prefabricated assembled Steel-concrete Combined Beam Structures and manufacture craft |
| CN109736201A (en) * | 2019-01-18 | 2019-05-10 | 中铁第四勘察设计院集团有限公司 | Steel-is combined to mix bondbeam and bridge and construction method after wet seam built in one kind |
| CN110055871A (en) * | 2019-05-09 | 2019-07-26 | 周劲宇 | Full assembled B-G connection steel-concrete composite beams bridge |
| CN110685211A (en) * | 2019-11-13 | 2020-01-14 | 中国人民解放军陆军工程大学 | Full composite bridge and erection method |
| CN114438871A (en) * | 2020-11-06 | 2022-05-06 | 深圳市桥博设计研究院有限公司 | Assembled composite structure bridge and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105113425A (en) | Novel construction method for efficient fabricated steel-concrete composite beam | |
| CN105350445A (en) | Novel efficient assembly-type reinforced concrete composite beam | |
| CN105239720A (en) | Prefabricated assembled steel-concrete composite beam connected by adopting high-strength bolt | |
| CN110792164B (en) | Transverse assembling device and method for assembled shear wall | |
| CN106481090B (en) | A kind of Shockproof reinforcing method of existing reinforced concrete concrete frame joint | |
| CN205242848U (en) | Adopt prefabricated assembled steel - concrete combination beam of high strength bolt connection | |
| CN109653350B (en) | Mixed reinforcement embedded low-prestress dry beam column node and method | |
| CN109610312A (en) | Prefabrication and assembly construction floorings based on the connection of X-type presstressed reinforcing steel | |
| CN108914778A (en) | The method that the concrete slab of a kind of pair of combination beam top flange applies precompression | |
| CN105133492B (en) | Concrete bridge deck with channels at bottom | |
| CN112942600A (en) | Construction device and construction method for improving construction quality of post-cast joint concrete of prefabricated laminated slab | |
| CN109853802A (en) | It is a kind of whole across precast prestressed flute profile floor, building cover structure and its assembly method | |
| CN109610311A (en) | Prefabrication and assembly construction L-type floorings seam construction and implementation method | |
| CN115369910A (en) | Assembly type column lower independent foundation of post-tensioned pre-stressed assembled transformer substation and design method thereof | |
| CN111455802A (en) | Bridge upper part assembly type combined structure and construction process thereof | |
| CN109667351B (en) | Tooth socket type waterproof connecting structure of prefabricated wallboard horizontal joint grouting method of assembled building | |
| CN205116011U (en) | Bottom has novel concrete bridge panel of channel | |
| CN110539398A (en) | Construction method of prefabricated bridge deck steel-concrete composite beam | |
| CN211714180U (en) | Assembled concrete frame structure | |
| CN108316530A (en) | The assembled steel reinforced concrete composite floor and installation method connected using self-locking | |
| CN113719152A (en) | Steel member externally-wrapped prestressed precast concrete reinforced structure and construction method | |
| CN209779949U (en) | Prefabricated assembled profiled steel sheet concrete shear force wall | |
| CN207048079U (en) | Built-in steel mixed connection fitting water proof structure | |
| CN210086030U (en) | Connecting device of assembled steel-concrete composite beam | |
| CN112281634A (en) | Rib plate hybrid connecting structure with supporting and rear cantilever arms of spine beam bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |
|
| RJ01 | Rejection of invention patent application after publication |