CN110241726A - A kind of prefabricated reinforced concrete combined bridge deck and wet seam construction - Google Patents
A kind of prefabricated reinforced concrete combined bridge deck and wet seam construction Download PDFInfo
- Publication number
- CN110241726A CN110241726A CN201910673428.5A CN201910673428A CN110241726A CN 110241726 A CN110241726 A CN 110241726A CN 201910673428 A CN201910673428 A CN 201910673428A CN 110241726 A CN110241726 A CN 110241726A
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- reinforced concrete
- prefabricated reinforced
- recess
- combined bridge
- concrete combined
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Classifications
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- 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
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/067—Flat continuous joints cast in situ
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to technical field of bridge engineering, more particularly to a kind of prefabricated reinforced concrete combined bridge deck and wet seam construction, the panel includes panel body, being horizontally spaced about on an end face of panel body has multiple recess, multiple overlap joint reinforcing bars are equipped in panel body, the one end for overlapping reinforcing bar is stretched out outside the end face with recess.Wet seam construction includes two prefabricated reinforced concrete combined bridge decks, and there are two prefabricated reinforced concrete combined bridge decks the end surfaces of recess to be oppositely arranged, and the overlap joint reinforcing bar that two prefabricated reinforced concrete combined bridge decks stretch out the end face is staggered.It can be used in accommodating the part concrete poured in the recess of multiple horizontal spacing settings, while so that two opposite prefabricated reinforced concrete combined bridge decks is formed a whole, improve cohesive force between wet seam and prefabricated reinforced concrete combined bridge deck, and the setting of multiple recess by horizontal interval, enhances wet seam crossing level and vertical direction shear behavior.
Description
Technical field
The present invention relates to technical field of bridge engineering more particularly to a kind of prefabricated reinforced concrete combined bridge deck and wet connect
Crack structure.
Background technique
The shear behavior design of the wet seam crossing of steel reinforced concrete composite beam bridge panel is always the difficult point in such Bridge Design.And bridge
Under the action of vehicle traveling load, usually there is crack and causes to destroy panel due to shear behavior deficiency in wet seam crossing.
Currently, having to improve the shear behavior of the wet seam crossing of steel reinforced concrete composite beam bridge panel using end face corrugated bridge floor
Plate is constructed for steel reinforced concrete bridge floor plate, to enhance horizontal direction shear behavior, but the wet seam of floorings also suffer from simultaneously it is vertical
It is influenced to shearing action, and existing floorings and wet joint concrete bond, is completely dependent on reinforcing bar and concrete in wet seam
Cohesive force.
Summary of the invention
(1) technical problems to be solved
The first purpose of the invention is to provide a kind of prefabricated reinforced concrete combined bridge decks, improve using precast reinforced
The both horizontally and vertically shear behavior for the wet seam construction that concrete combined bridge deck is constituted.
A second object of the present invention is to provide a kind of wet seam constructions of prefabricated reinforced concrete combined bridge deck, improve pre-
The both horizontally and vertically shear behavior of the wet seam crossing of reinforced concrete combination floorings processed, and enhance prefabricated reinforced concrete group
Close the globality of floorings and wet seam.
(2) technical solution
In order to realize above-mentioned first purpose, in a first aspect, the present invention provides a kind of prefabricated reinforced concrete combined bridge decks
Plate, including panel body, being horizontally spaced about on an end face of panel body has multiple recess, is equipped in panel body more
A overlap joint reinforcing bar, the one end for overlapping reinforcing bar are stretched out outside the end face with recess.Prefabricated reinforced concrete composite bridge is stated in use
When panel forms wet seam construction, it can be used in accommodating the part concrete poured in the recess of multiple horizontal spacing settings, make
While two opposite prefabricated reinforced concrete combined bridge decks form a whole, enhance the horizontal and vertical of wet seam construction
Histogram is to shear behavior.
With reference to first aspect, the present invention is in the first implementation of first aspect, the area of the cross section of recess by
End face to the direction far from end face gradually becomes smaller, and makes to be easier to demould when manufacturing prefabricated reinforced concrete combined bridge deck.
The first implementation with reference to first aspect, the present invention are described in the first implementation of first aspect
The side tilt angle i of recess meets 30 °≤i≤60 °, and recess is made to have more suitable draft angle.
Second of embodiment of the first implementation or first aspect with reference to first aspect, first aspect present invention
The third embodiment in, the cross section of recess is square, keep structural strength higher, improve shear behavior.
With reference to first aspect the third is implemented, and in the 4th kind of embodiment of the first aspect of the present invention, recess is most
The side length of small cross section is f, and f > 0；
The side length of the maximum cross section of recess is 2g+f, and h/2≤2g+f≤h-2c-2d, wherein g > 0 is f minimum horizontal
The side length in section, h are the thickness of prefabricated reinforced concrete combined bridge deck, and c is thickness of protection tier, and d is overlap joint reinforcing bar
Diameter；
The depth j of recess meetsWherein, g > 0；
The height of the side of recessWherein, g > 0, j are the depth of recess；
The rib of recess is longWherein, g > 0, j are the depth of recess.
In order to realize above-mentioned second purpose, second aspect, the present invention also provides a kind of combinations of prefabricated reinforced concrete
The wet seam construction of floorings, the prefabricated reinforced concrete combined bridge deck including any implementation in two first aspects
There are the end surfaces of recess to be oppositely arranged for plate, two prefabricated reinforced concrete combined bridge decks, two prefabricated reinforced concretes
Combined bridge deck, which stretches out, has the overlap joint reinforcing bar of the end face of recess staggered, after the wet seam crossing casting concrete, after making
The wet joint concrete and prefabricated reinforced concrete combined bridge deck poured forms entirety, improves wet seam and precast reinforced coagulation
Cohesive force between native combined bridge deck, and the setting of multiple recess by horizontal interval enhance wet seam crossing level and hang down
Histogram is to shear behavior.
In conjunction with second aspect, in the first implementation of second aspect of the present invention, two prefabricated reinforced concretes combinations
The length that the overlap joint reinforcing bar of floorings stretches out the end face is identical, and more than two prefabricated reinforced concrete combined bridge decks
The middle line of spacing makes the more reasonable structure of wet seam, and stress more balances, and shear behavior is more preferable.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the advantages that the present invention provides a kind of prefabricated reinforced concrete composite bridges
Panel, including panel body, being horizontally spaced about on an end face of panel body has multiple recess, is equipped in panel body
The end face with recess is stretched out in multiple overlap joint reinforcing bars, the one end for overlapping reinforcing bar.Prefabricated reinforced concrete composite bridge is stated in use
When panel forms wet seam construction, it can be used in accommodating the part concrete poured in the recess of multiple horizontal spacing settings, make
While two opposite prefabricated reinforced concrete combined bridge decks form a whole, enhance the horizontal and vertical of wet seam construction
The shear behavior of straight both direction.
Detailed description of the invention
Attached drawing of the present invention only provides for the purpose of illustration, in figure the ratio Yu quantity of each component not necessarily with actual product one
It causes.
Fig. 1 is a kind of structural schematic diagram of prefabricated reinforced concrete combined bridge deck in the embodiment of the present invention one；
Fig. 2 is another angle schematic diagram of the prefabricated reinforced concrete combined bridge deck of Fig. 1；
Fig. 3 is the A-A cross-sectional view in Fig. 2；
Fig. 4 is the orthographic projection schematic diagram for a side being recessed in Fig. 1；
Fig. 5 is a kind of wet seam construction schematic diagram in the embodiment of the present invention two；
Fig. 6 is the B-B cross-sectional view in Fig. 5.
In figure: 1: prefabricated reinforced concrete combined bridge deck；11: panel body；12: recess；13: overlap joint reinforcing bar.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
As depicted in figs. 1 and 2, prefabricated reinforced concrete combined bridge deck 1 provided in an embodiment of the present invention includes panel sheet
Body 11, being horizontally spaced about on an end face of panel body 11 has multiple recess 12, it is preferable that between adjacent recessed 12
Horizontal interval distance is less than the horizontal width of recess 12.Multiple overlap joint reinforcing bars 13 are equipped in panel body 11, overlap joint reinforcing bar 13
One end is stretched out outside the end face with recess 12.Prefabricated reinforced concrete combined bridge deck 1 is stated in use forms wet seam construction
When, it can be used in the recess 12 of multiple horizontal spacing settings accommodating the part concrete poured, make two opposite pre-manufactured steels
While reinforced concrete combined bridge deck 1 forms a whole, enhance the both horizontally and vertically shear behavior of wet seam construction.
Referring to Figures 1 and 2 shown in, be preferably carried out in mode some, it is each recess 12 be correspondingly arranged there are four overlap joint
Reinforcing bar 13, it is that two overlap joint reinforcing bars 13 in two groups, every group are horizontally spaced about that four overlap joint reinforcing bars 13, which are divided to, wherein one group of overlap joint
The upside of recess 12 is arranged in reinforcing bar 13, and the downside of same recess 12 is arranged in another group of overlap joint reinforcing bar more.
Be preferably carried out in mode referring to shown in Fig. 3 some for the ease of demoulding, be recessed 12 cross section area
It is gradually become smaller by end face to the direction far from end face, i.e., the cross section of recess 12 gradually becomes smaller along the depth direction of recess 12.Cause
This, 12 side of being recessed then has tilt angle.
It is highly preferred that the tilt angle i of the side of recess 12 meets 30 °≤i≤60 °, make in production armored concrete
It is demoulded when combined bridge deck 1 more convenient.
For the ease of demoulding, shear behavior is improved, and guarantees structural strength, referring to shown in Fig. 2, is preferably carried out some
In mode, 12 cross section of being recessed is square.
Referring to fig. 2 shown in-Fig. 4, in the embodiment that is square of cross section of some recess 12, recess 12 meet with
Lower relationship:
The side length of minimum cross-section is f, and f > 0；
The side length of maximum cross section is 2g+f, and h/2≤2g+f≤h-2c-2d, wherein g > 0 is f minimum cross-section
Side length, h are the thickness of prefabricated reinforced concrete combined bridge deck, and c is thickness of protection tier, and d is the diameter for overlapping reinforcing bar；
Depth j meetsWherein, g > 0；
The height of sideWherein, g > 0, j are the depth of recess；
Rib is longWherein, g > 0, j are the depth of recess.
Recess 12 keeps the size of recess 12 suitable, meets the feelings of intensity requirement in the case where meeting above-mentioned size relationship
Under condition, convenient for demoulding when manufacture, and structure is made to reach preferably two-way (both horizontally and vertically) shear behavior.
It should be noted that in the present embodiment, thickness of protection tier refers in prefabricated reinforced concrete combined bridge deck
On the thickness direction of plate 1, the upper edge for overlapping reinforcing bar positioned at 12 upside of recess is apart from prefabricated reinforced concrete combined bridge deck
The size of the upper edge of plate 1, or positioned at recess 12 downside overlap joint reinforcing bar lower edge apart from prefabricated reinforced concrete
The size of the lower edge of combined bridge deck 1.
In use, two intervals of prefabricated reinforced concrete combined bridge deck 1 are oppositely arranged, two 11 fovea superiors of panel body
It is opposite one by one to fall into 12 difference, overlap joint reinforcing bar 13 accordingly staggeredly overlaps, and forms wet seam construction, pours coagulation in wet seam crossing
Soil, concrete fill up wet seam and recess 12, improve cohesive force between wet seam and prefabricated reinforced concrete combined bridge deck, make
The wet joint concrete and prefabricated reinforced concrete combined bridge deck 1 of after-pouring form entirety, and pass through the more of horizontal interval
The setting of a recess 12, enhances wet seam crossing level and vertical direction shear behavior.
Embodiment two
As shown in Figure 5 and Figure 6, the wet seam construction that the present embodiment two provides, including two prefabricated reinforced concrete combinations
There are the end surfaces of recess 12 to be oppositely arranged for floorings 1, two prefabricated reinforced concrete combined bridge decks 1, two pre-manufactured steels
Reinforced concrete combined bridge deck 1 stretches out staggered between the overlap joint reinforcing bar 13 of institute end face, that is to say, that two precast reinforced mixed
The overlap joint reinforcing bar 13 of solidifying soil combined bridge deck 1 some coincidence in the axial direction, so set, pouring coagulation in the wet seam crossing
After soil, make the wet joint concrete of after-pouring and prefabricated reinforced concrete combined bridge deck 1 forms entirety, improves wet seam and pre-
Cohesive force between reinforced concrete combination floorings 1 processed, and the setting of multiple recess 12 by horizontal interval, enhance wet connect
The shear behavior of level and vertical both direction at seam, in embodiment, the recess 12 of multiple horizontal spacing settings makes wet seam
The junction of concrete that place pours and prefabricated reinforced concrete combined bridge deck 1 form multiple horizontal intervals with 12 shapes that are recessed
Protrusion that shape matches is (merely to description is clear, according to pouring concrete that sequencing pours the wet place of connecing as one
Structure description, in fact, the concrete poured at wet type seam can be whole with the formation of prefabricated reinforced concrete combined bridge deck 1 one
Body), concrete, overlap joint reinforcing bar 13 and 1 collective effect of prefabricated reinforced concrete combined bridge deck of the wet seam crossing of after-pouring make
Wet seam crossing has shear behavior preferably both horizontally and vertically.
Appoint it should be noted that prefabricated reinforced concrete combined bridge deck described in this implementation two can be in embodiment one
A kind of prefabricated reinforced concrete combined bridge deck, therefore, details are not described herein.
It is preferably carried out in mode at the present embodiment one, the overlap joint steel of two prefabricated reinforced concrete combined bridge decks 1
The length that muscle 13 stretches out end face is identical, and makes wet more than the middle line of the spacing of two prefabricated reinforced concrete combined bridge decks 1
The more very little balanced and reasonable of seam construction, stress more balance, and shear behavior is more preferable.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it is not each
Embodiment only contains an independent technical solution, mentioned in the various embodiments each in the case where scheduling conflicts are not present
Item technical characteristic can be combined in any way, and form other embodiments that can be understood by those skilled in the art.
In addition, without departing from the scope of the invention, being carried out to technical solution documented by foregoing embodiments
Modification or equivalent replacement of some of the technical features, it does not separate the essence of the corresponding technical solution, and the present invention is each
The spirit and scope of embodiment technical solution.
Claims (8)
1. a kind of prefabricated reinforced concrete combined bridge deck, including panel body, it is characterised in that: the one of the panel body
Being horizontally spaced about on end face has multiple recess；
Multiple overlap joint reinforcing bars are equipped in the panel body, the end with the recess is stretched out in one end of the overlap joint reinforcing bar
Outside face.
2. prefabricated reinforced concrete combined bridge deck according to claim 1, it is characterised in that: the cross section of the recess
Area gradually become smaller by end face to far from the direction of end face.
3. prefabricated reinforced concrete combined bridge deck according to claim 2, it is characterised in that: incline the side of the recess
Rake angle i meets 30 °≤i≤60 °.
4. prefabricated reinforced concrete combined bridge deck according to claim 2 or 3, it is characterised in that: the cross of the recess
Section is square.
5. prefabricated reinforced concrete combined bridge deck according to claim 4, it is characterised in that: the recess:
The side length of minimum cross-section is f, and f > 0；
The side length of maximum cross section is 2g+f, and h/2≤2g+f≤h-2c-2d, wherein g > 0 is the side length of f minimum cross-section,
H is the thickness of prefabricated reinforced concrete combined bridge deck, and c is thickness of protection tier, and d is the diameter for overlapping reinforcing bar；
Depth j meetsWherein, g > 0；
The height of sideWherein, g > 0, j are the depth of recess；
Rib is longWherein, g > 0, j are the depth of recess.
6. prefabricated reinforced concrete combined bridge deck according to claim 1, it is characterised in that: each recess it is upper
Side and downside be all provided with there are two be horizontally spaced about overlap joint reinforcing bar.
7. a kind of wet seam construction, it is characterised in that: including two precast reinforced coagulations as claimed in any one of claims 1 to 6
There are the end surfaces of recess to be oppositely arranged for native combined bridge deck, two prefabricated reinforced concrete combined bridge decks, and two
The overlap joint reinforcing bar that the prefabricated reinforced concrete combined bridge deck stretches out the end face is staggered.
8. wet seam construction according to claim 7, it is characterised in that: two prefabricated reinforced concrete combined bridge decks
The length that the overlap joint reinforcing bar of plate stretches out the end face is identical, and more than two prefabricated reinforced concrete combined bridge decks
The middle line of spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673428.5A CN110241726B (en) | 2019-07-24 | 2019-07-24 | Prefabricated reinforced concrete combined bridge deck and wet joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673428.5A CN110241726B (en) | 2019-07-24 | 2019-07-24 | Prefabricated reinforced concrete combined bridge deck and wet joint structure |
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| Publication Number | Publication Date |
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| CN110241726A true CN110241726A (en) | 2019-09-17 |
| CN110241726B CN110241726B (en) | 2020-05-12 |
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| CN201910673428.5A Active CN110241726B (en) | 2019-07-24 | 2019-07-24 | Prefabricated reinforced concrete combined bridge deck and wet joint structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395383A (en) * | 2020-03-31 | 2020-07-10 | 上海市机械施工集团有限公司 | Equipment basement roof beam |
| CN112127263A (en) * | 2020-08-24 | 2020-12-25 | 山东省交通规划设计院有限公司 | Prefabricated bridge deck wet joint connecting structure, prefabricated bridge and method |
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| KR20130123076A (en) * | 2012-05-02 | 2013-11-12 | 한국건설기술연구원 | Precast concrete module being connected by loop steel and precast concrete member having such module |
| JP2015001045A (en) * | 2013-06-13 | 2015-01-05 | 川田建設株式会社 | Joint structure of precast concrete floor slab |
| KR20170002280A (en) * | 2015-06-29 | 2017-01-06 | 이동찬 | Prefabricated precast concrete bridge deck |
| CN208202272U (en) * | 2018-04-20 | 2018-12-07 | 中交第二公路勘察设计研究院有限公司 | The wet seam steel bar connecting structure of precast concrete beam |
| CN109487686A (en) * | 2018-12-29 | 2019-03-19 | 武汉理工大学 | A kind of unit construction bridge panel transverse joint using UHPC grouting material |
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2019
- 2019-07-24 CN CN201910673428.5A patent/CN110241726B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130123076A (en) * | 2012-05-02 | 2013-11-12 | 한국건설기술연구원 | Precast concrete module being connected by loop steel and precast concrete member having such module |
| JP2015001045A (en) * | 2013-06-13 | 2015-01-05 | 川田建設株式会社 | Joint structure of precast concrete floor slab |
| KR20170002280A (en) * | 2015-06-29 | 2017-01-06 | 이동찬 | Prefabricated precast concrete bridge deck |
| CN208202272U (en) * | 2018-04-20 | 2018-12-07 | 中交第二公路勘察设计研究院有限公司 | The wet seam steel bar connecting structure of precast concrete beam |
| CN109487686A (en) * | 2018-12-29 | 2019-03-19 | 武汉理工大学 | A kind of unit construction bridge panel transverse joint using UHPC grouting material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395383A (en) * | 2020-03-31 | 2020-07-10 | 上海市机械施工集团有限公司 | Equipment basement roof beam |
| CN112127263A (en) * | 2020-08-24 | 2020-12-25 | 山东省交通规划设计院有限公司 | Prefabricated bridge deck wet joint connecting structure, prefabricated bridge and method |
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| CN110241726B (en) | 2020-05-12 |
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