CN105862609A - Steel belt and bolt interlined hooping method for reinforcing hollow slab bridges and hooping system thereof - Google Patents
Steel belt and bolt interlined hooping method for reinforcing hollow slab bridges and hooping system thereof Download PDFInfo
- Publication number
- CN105862609A CN105862609A CN201610350725.2A CN201610350725A CN105862609A CN 105862609 A CN105862609 A CN 105862609A CN 201610350725 A CN201610350725 A CN 201610350725A CN 105862609 A CN105862609 A CN 105862609A
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- anchor ear
- steel plate
- hollow slab
- bolt
- fastening bolt
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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
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling 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
Abstract
The invention discloses a steel belt and bolt interlined hooping system for reinforcing hollow slab bridges. The hooping system is applied to parallel hollow slab beams. Rebate joints are formed between adjacent hollow slab beams. The hooping system comprises a closed hoop and fastening bolts, wherein the closed hoop comprises upper hoop steel plates, lower hoop steel plates and hoop splicing steel plates; the shape of the upper hoop steel plates and the lower hoop steel plates is of a groove with two vertically-bent ends. According to the steel belt and bolt interlined hooping system, the existed hollow slab beams do not need to be abandoned; almost no newly-built structure is needed; the construction period is short; the improvement cost is low; the hooping system can be used for improving and reinforcing the hollow slab beam bridges and can also be used for broadening the hollow slab bridges.
Description
Technical field
The invention belongs to blank board bridge reinforcement technique field, be specifically related to steel band-bolt chain of rings cuff method that a kind of hollow slab bridge is reinforced.
Background technology
The section form of assembled Hollow Slab Beam Bridge includes unitary solid rectangular slab, assembled cored slab, sketch plate, there is the plurality of advantages such as version is simple, section form is various, engineering cost is low, convenient and quick construction so that it is used widely in highway in China bridge construction.For using assembled steel reinforced concrete, the bridge structure of prefabricated concrete hollow slab girder bridge in highway, urban road, it laterally uses, and ribbet is hinged, the form of keyway connection.But, the transversely hinge of a Transfer of Shear is used when design calculates, the concrete lateral stress etc. of hinge seam cannot be analyzed by the method accurately, and rapidly increase due to the volume of traffic especially overrun and overload vehicle of road in recent years, bridge floor reinforced concrete pavement Rotating fields is weak, the Design of Highway Bridge being open to traffic in early days is different from present newly building bridge mentality of designing, the reasons such as the constructional deficiency of bridge floor reinforced concrete pavement layer, ultimately cause disease between bridge floor and plate seam, lateral ties between cored slab are caused to lose efficacy, single slab bearing phenomenon occurs, bridge structure holistic resistant behavior is caused to decline, there is more problem in serviceability and durability.
Summary of the invention
It is an object of the invention to provide steel band-bolt chain of rings cuff method and cuff system that a kind of hollow slab bridge is reinforced, the holistic resistant behavior improving hollow slab girder is had greatly improved and reinforcement effect, anchor ear steel plate is easy to make, existing hollow slab girder strengthening reconstruction cost can not only be reduced, and to ensureing that bridge structure holistic resistant behavior and prolongation bridge have important effect service life.
The technical scheme is that
A kind of hollow slab bridge is reinforced steel band-bolt a chain of rings hoop body system, for hollow slab girder side by side, the centre of adjacent hollow slab girder is ribbet, and including Guan Bi anchor ear and fastening bolt, Guan Bi anchor ear includes that anchor ear steel plate, lower anchor ear steel plate, anchor ear splice steel plate；Upper anchor ear steel plate, the shape of lower anchor ear steel plate are the flute profile that end, two ends vertically bends, and upper anchor ear steel plate is relative with the opening of lower anchor ear steel plate, and the end of the two ends bending of upper anchor ear steel plate and lower anchor ear steel plate is referred to as kink；The upper and lower side of anchor ear splicing steel plate is the kink welding of kink and adjacent lower anchor ear steel plate respectively with upper anchor ear steel plate, forms the Guan Bi anchor ear of Guan Bi；Spiro keyhole position passes ribbet, and the upper and lower side of spiro keyhole position is connected with upper anchor ear steel plate and lower anchor ear steel plate respectively；
If do not limited by cored slab top, floor space, equal prepared screw-bolt hole position on upper anchor ear steel plate and lower anchor ear steel plate, the position of spiro keyhole position is positioned at the centre position of adjacent hollow slab girder, and the two ends up and down of fastening bolt are each passed through the prepared screw-bolt hole of correspondence and fasten；
If under-clearance is limited, the lower end of fastening bolt is welded in advance lower anchor ear steel plate reserved location, correspondence position prepared screw-bolt hole position on upper anchor ear steel plate, the position of spiro keyhole position is positioned at the centre position of adjacent hollow slab girder, and the upper end of fastening bolt is through corresponding prepared screw-bolt hole and fastens；
If bridge deck pavement is relatively thin, the upper end of fastening bolt being welded in the reserved location of upper anchor ear steel plate in advance, prepared screw-bolt hole position on upper anchor ear steel plate, the upper end of fastening bolt is through the prepared screw-bolt hole position on upper anchor ear steel plate and fastens.
Anchor ear splicing steel plate width is not more than upper anchor ear steel plate and the width of lower anchor ear steel plate.
Spiro keyhole position is arranged along the bearing of trend of corresponding upper anchor ear steel plate or lower anchor ear steel plate.
The quantity of the fastening bolt at each ribbet is two or more.
Steel band-bolt chain of rings cuff method that a kind of hollow slab bridge is reinforced, 1) size and the quantity of anchor ear steel plate is determined according to existing hollow slab bridge present situation, determine anchor ear steel plate thickness of slab, the diameter of fastening bolt simultaneously；
2) upper and lower anchor ear steel plate, anchor ear splicing steel plate are welded in anchor ear plate size processing determined by foundation；According to hollow slab bridge concrete condition, if under-clearance is limited, the lower end of fastening bolt is welded in advance lower anchor ear steel plate reserved location, corresponding reserved fastening bolt holes position on upper anchor ear steel plate, if bridge deck pavement is relatively thin, fastening bolt is welded in advance upper anchor ear steel plate reserved location, corresponding reserved fastening bolt holes position on lower anchor ear steel plate, if do not limited by cored slab top floor space, then reserved fastening bolt holes position on upper and lower anchor ear steel plate；
3) remove existing hollow slab girder bridge floor before strengthening construction to mat formation, clear up hollow slab girder surface；
4) according to fastening bolt diameter, according to encircling the boring of cored slab corresponding ribbet position on the anchor ear steel plate needing boring, in order to penetrate fastening bolt during subsequent reinforcement construction；
5) hollow slab girder bottom surface gluing, installs anchor ear by the lower anchor ear steel plate of welding fabrication and in the bottom surface of hollow slab girder and fixes temporarily, the upper anchor ear steel plate of hollow slab girder end face erecting and welding molding, and anchor ear splicing Plate Welding forms Guan Bi anchor ear in upper and lower anchor ear steel plate；
6) according to field condition, if fastening bolt is welded in anchor ear steel plate or the reserved location of lower anchor ear steel plate in advance, when then installing steel-bolt hoop system, fastening bolt is through the reserved boring of hollow slab girder ribbet, if fastening bolt is by preformed hole on upper and lower anchor ear steel plate, when then installing steel-bolt hoop system, fastening bolt through steel plate preformed hole and penetrates the reserved boring of cored slab ribbet, in any shape, fastening bolt is installed and is fastened complete and guarantee the assembled firm rear bolt hole slip casting of upper and lower anchor ear steel plate；
7) Surfacing Construction, reinforcing completes.
Fastening bolt can take to weld in advance or reserve the mode of keyhole according to the concrete condition of hollow slab bridge.
Steel described in step 6)-bolt hoop system must be connected firm by bolt to be tightened with upper and lower anchor ear steel plate, and upper and lower anchor ear steel plate is in tensioning state grouting behind shaft or drift lining, it is ensured that consolidation effect.
Compared to the prior art, beneficial effects of the present invention:
1) upper and lower anchor ear troughing plate processing technique is ripe, can be according to the troughing plate that spanning difference welding production quantity is different and anchor ear width is different, to facilitate reinforcing.
2) by steel-bolt hoop system, upper and lower anchor ear steel plate is formed Guan Bi hoop by splicing steel plate, improves the overall stress behavior of hollow slab girder after reinforcing.
3) fastening bolt fixes upper and lower anchor ear steel plate and clamped cored slab, improves the holistic resistant behavior of Hollow Slab Beam Bridge further.
4) existing hollow slab girder need not discard, and with little need for newly-built structure, short construction period, improvement cost is low.
5) present invention is suitable for can be not only used for Hollow Slab Beam Bridge transformation reinforcing it can also be used to hollow slab bridge is widened.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is hollow slab girder cross-sectional view after reinforcing.
Detailed description of the invention
Steel band-bolt chain of rings cuff method that a kind of hollow slab bridge of the present invention is reinforced, uses steel band-bolt a chain of rings hoop body system, is called for short: steel-bolt hoop system.
As illustrated in fig. 1 and 2, steel-bolt hoop system includes closing anchor ear and fastening bolt 4, and Guan Bi anchor ear includes that anchor ear steel plate 1, lower anchor ear steel plate 2, anchor ear splice steel plate 3.Upper anchor ear steel plate 1, lower anchor ear steel plate 2 quantity are according to the width setup of beam bridge.Upper anchor ear steel plate 1, the shape of lower anchor ear steel plate 2 are the flute profile that end, two ends vertically bends, and the shape of the two is identical, and upper anchor ear steel plate 1 is relative with the opening of lower anchor ear steel plate 2, respectively in " [" and "] ".The end of the two ends bending of upper anchor ear steel plate 1 and lower anchor ear steel plate 2 is referred to as kink 7.It is bent to the bending of 90 degree.The upper and lower side of anchor ear splicing steel plate 3 welds with upper anchor ear steel plate 1 kink 7 and adjacent lower anchor ear steel plate 2 kink 7 respectively, forms the Guan Bi anchor ear of Guan Bi.Anchor ear splicing steel plate 3 width is not more than upper anchor ear steel plate 1, the width of lower anchor ear steel plate 2.Size and the quantity of anchor ear steel plate are designed selecting according to spanning and bridge headroom, and anchor ear splices steel plate 3 thickness of slab and plate is wide, the diameter of fastening bolt 4 determines according to the situation of anchor ear steel plate.The hoop height of anchor ear steel plate completely determines partially according to the height of hollow slab girder 5；The thickness of anchor ear steel plate determines according to calculating and structure；The upper and lower anchor ear steel plate of anchor ear plate size processing 1 determined by Yi Ju, 2, anchor ear splicing steel plate 4；
It is multiple hollow slab girders 5 side by side between Guan Bi anchor ear, is ribbet 6 in the middle of adjacent hollow slab girder 5.Fastening bolt 4 is positioned at ribbet 6.
According to hollow slab bridge concrete condition, fastening bolt 4 has three kinds of modes will to couple together between upper anchor ear steel plate 1 and lower anchor ear steel plate 2:
The first, if do not limited by cored slab top, floor space, equal prepared screw-bolt hole position on upper anchor ear steel plate 1 and lower anchor ear steel plate 2, the position of spiro keyhole position is positioned at the centre position of adjacent hollow slab girder 5, corresponding to the position of ribbet 6, the two ends up and down of fastening bolt 4 are each passed through the prepared screw-bolt hole of correspondence and anchor.
It two is, if under-clearance is limited, the lower end of fastening bolt 4 is welded in advance lower anchor ear steel plate 2 reserved location, prepared screw-bolt hole position on upper anchor ear steel plate 1, the position of spiro keyhole position is positioned at the centre position of adjacent hollow slab girder 5, and the upper end of fastening bolt 4 is through corresponding prepared screw-bolt hole and anchors.
It three is, if bridge deck pavement is relatively thin, the upper end of fastening bolt 4 is welded in upper anchor ear steel plate 1 reserved location, prepared screw-bolt hole position on upper anchor ear steel plate 1 in advance, and the upper end of fastening bolt 4 is through the prepared screw-bolt hole position on upper anchor ear steel plate 1 and anchors.
Last slip casting.
In the present embodiment, the two lane highways simply supported girder bridge across footpath 20m of 12 hollow slab girder 5 compositions, under-clearance is limited.It is designed as three road steel-bolt hoop system according to span of bridge.The lower end of fastening bolt 4 is welded on lower anchor ear steel plate 2, and the upper end of fastening bolt 4 is through corresponding prepared screw-bolt hole on upper anchor ear steel plate 1 and anchors.The fixing upper anchor ear steel plate 1 of fastening bolt 4, lower anchor ear steel plate 2 and clamped existing hollow slab girder 5, improve the holistic resistant behavior of Hollow Slab Beam Bridge further.
Steel band-bolt chain of rings cuff method that hollow slab bridge is reinforced, comprises the steps:
1) determine size and the quantity of anchor ear steel plate according to existing hollow slab bridge present situation, determine anchor ear steel plate thickness of slab, the diameter of fastening bolt simultaneously；
2) upper and lower anchor ear steel plate, anchor ear splicing steel plate are welded in anchor ear plate size processing determined by foundation；According to hollow slab bridge concrete condition, if under-clearance is limited, the lower end of fastening bolt is welded in advance lower anchor ear steel plate reserved location, corresponding reserved fastening bolt holes position on upper anchor ear steel plate, if bridge deck pavement is relatively thin, fastening bolt is welded in advance upper anchor ear steel plate reserved location, corresponding reserved fastening bolt holes position on lower anchor ear steel plate, if do not limited by cored slab top floor space, then reserved fastening bolt holes position on upper and lower anchor ear steel plate；
Fastening bolt can take to weld in advance or reserve the mode of keyhole according to the concrete condition of hollow slab bridge.
3) remove existing hollow slab girder 5 deck paving before strengthening construction, clear up hollow slab girder 5 surface；
4) according to fastening bolt 4 diameter, according to encircling the boring of cored slab corresponding ribbet position on the anchor ear steel plate needing boring, in order to penetrate fastening bolt 4 during subsequent reinforcement construction；
5) hollow slab girder 5 bottom surface gluing, the lower anchor ear steel plate 2 of welding fabrication is installed anchor ear in hollow slab girder 5 bottom surface and fix temporarily, the upper anchor ear steel plate 1 of hollow slab girder 5 end face erecting and welding molding, anchor ear splicing steel plate 3 is welded in upper and lower anchor ear steel plate 1,2 and forms Guan Bi anchor ear；
6) according to field condition, if fastening bolt 4 is welded in anchor ear steel plate 1 or the reserved location of lower anchor ear steel plate 2 in advance, when then installing steel-bolt hoop system, fastening bolt 4 is through the reserved boring of hollow slab girder 5 ribbet, if fastening bolt 4 is by preformed hole on upper and lower anchor ear steel plate 1,2, when then installing steel-bolt hoop system, fastening bolt 4 through steel plate preformed hole and penetrates the reserved boring of cored slab ribbet, in any shape, fastening bolt 4 is installed and is fastened complete and guarantee the assembled firm rear bolt hole slip casting of upper and lower anchor ear steel plate 1,2；
Steel described in step 6)-bolt hoop system must be connected firm by bolt 4 to be tightened with upper and lower anchor ear steel plate 1,2, and upper and lower anchor ear steel plate 1,2 is in tensioning state grouting behind shaft or drift lining, it is ensured that consolidation effect.
7) Surfacing Construction, reinforcing completes.
The specific embodiment of the inventive method is:
As illustrated in fig. 1 and 2, step is as follows:
1) according to the present situation of existing hollow slab girder 5, the thickness of slab of upper anchor ear steel plate 1, lower anchor ear steel plate 2 and anchor ear splicing steel plate 3 all takes 10mm, upper anchor ear steel plate 1, the plate width of lower anchor ear steel plate 2 take 150mm, the plate width of anchor ear splicing steel plate 3 takes 100mm, the diameter of fastening bolt 4 is taken as 16mm, in order to fasten reliably in enforcement, longitudinally also can set two fastening bolts 4 along bridge ribbet, the present embodiment sets one.
2) anchor ear plate size determined by foundation makes upper anchor ear steel plate 1, lower anchor ear steel plate 2 and anchor ear splicing steel plate 3；Owing to under-clearance is limited, fastening bolt 4 is welded in advance the reserved location of lower anchor ear steel plate 2；
3) remove the deck paving of existing hollow slab girder 5 before strengthening construction, clear up hollow slab girder 5 surface；
4) according to fastening bolt 4 diameter, the boring of hollow slab girder 5 corresponding ribbet 6 position is encircled at anchor ear steel plate, in order to during subsequent reinforcement construction, penetrate fastening bolt 4 and follow-up slip casting；
5) hollow slab girder 5 bottom surface gluing, installs anchor ear by the lower anchor ear steel plate 2 of welding fabrication and in the bottom surface of hollow slab girder 5 and fixes temporarily, and wherein reserved fastening bolt 4 is through the boring of ribbet 6；
6) end face of hollow slab girder 5 installs anchor ear steel plate 1, and anchor ear splicing steel plate 3 is welded in anchor ear steel plate 1, lower anchor ear steel plate 2 forms Guan Bi anchor ear, tightens fastening bolt 4 and guarantees the assembled firm rear keyhole slip casting of upper and lower anchor ear steel plate 1,2；
7) Surfacing Construction, reinforcing completes.
By the Guan Bi anchor ear steel plate effect of steel-bolt hoop system, strengthening hollow slab girder entirety stress behavior, the holistic resistant behavior improving hollow slab girder is had greatly improved and reinforcement effect, anchor ear steel plate is easy to make, existing hollow slab girder strengthening reconstruction cost can not only be reduced, and to ensureing that bridge structure holistic resistant behavior and prolongation bridge have important effect service life.Steel band-bolt chain of rings cuff method that the hollow slab bridge of the present invention is reinforced, discarded existing structure is need not when hollow slab girder strengthening reconstruction, only need to weld upper and lower anchor ear troughing plate, processing corresponding splicing steel plate and fastening bolt, processing technology and technology maturation, formed the purpose of the Guan Bi overall stress of anchor ear realization by welding and fastening bolt, plate makes and strengthening construction is convenient, to ensureing that bridge structure holistic resistant behavior has important effect with extending bridge service life.Can improve and improve the holistic resistant behavior of existing hollow slab girder.
Claims (7)
1. the steel band that a hollow slab bridge is reinforced-bolt a chain of rings hoop body system, for hollow slab girder side by side, the centre of adjacent hollow slab girder is ribbet, it is characterised in that: including closing anchor ear and fastening bolt, Guan Bi anchor ear includes that anchor ear steel plate, lower anchor ear steel plate, anchor ear splice steel plate；Upper anchor ear steel plate, the shape of lower anchor ear steel plate are the flute profile that end, two ends vertically bends, and upper anchor ear steel plate is relative with the opening of lower anchor ear steel plate, and the end of the two ends bending of upper anchor ear steel plate and lower anchor ear steel plate is referred to as kink；The upper and lower side of anchor ear splicing steel plate is the kink welding of kink and adjacent lower anchor ear steel plate respectively with upper anchor ear steel plate, forms the Guan Bi anchor ear of Guan Bi；Spiro keyhole position passes ribbet, and the upper and lower side of spiro keyhole position is connected with upper anchor ear steel plate and lower anchor ear steel plate respectively；
If do not limited by cored slab top, floor space, equal prepared screw-bolt hole position on upper anchor ear steel plate and lower anchor ear steel plate, the position of spiro keyhole position is positioned at the centre position of adjacent hollow slab girder, and the two ends up and down of fastening bolt are each passed through the prepared screw-bolt hole of correspondence and fasten；
If under-clearance is limited, the lower end of fastening bolt is welded in advance lower anchor ear steel plate reserved location, correspondence position prepared screw-bolt hole position on upper anchor ear steel plate, the position of spiro keyhole position is positioned at the centre position of adjacent hollow slab girder, and the upper end of fastening bolt is through corresponding prepared screw-bolt hole and fastens；
If bridge deck pavement is relatively thin, the upper end of fastening bolt being welded in the reserved location of upper anchor ear steel plate in advance, prepared screw-bolt hole position on upper anchor ear steel plate, the upper end of fastening bolt is through the prepared screw-bolt hole position on upper anchor ear steel plate and fastens.
Hollow slab bridge the most according to claim 1 is reinforced steel band-bolt a chain of rings hoop body system, it is characterised in that: anchor ear splicing steel plate width is not more than upper anchor ear steel plate and the width of lower anchor ear steel plate.
Hollow slab bridge the most according to claim 1 is reinforced steel band-bolt a chain of rings hoop body system, it is characterised in that: spiro keyhole position is arranged along the bearing of trend of corresponding upper anchor ear steel plate or lower anchor ear steel plate.
Hollow slab bridge the most according to claim 1 is reinforced steel band-bolt a chain of rings hoop body system, it is characterised in that: the quantity of the fastening bolt at each ribbet is two or more.
5. steel band-bolt chain of rings cuff method that a hollow slab bridge is reinforced, it is characterised in that: 1) size and the quantity of anchor ear steel plate is determined according to existing hollow slab bridge present situation, determine anchor ear steel plate thickness of slab, the diameter of fastening bolt simultaneously；
2) upper and lower anchor ear steel plate, anchor ear splicing steel plate are welded in anchor ear plate size processing determined by foundation；According to hollow slab bridge concrete condition, if under-clearance is limited, the lower end of fastening bolt is welded in advance lower anchor ear steel plate reserved location, corresponding reserved fastening bolt holes position on upper anchor ear steel plate, if bridge deck pavement is relatively thin, fastening bolt is welded in advance upper anchor ear steel plate reserved location, corresponding reserved fastening bolt holes position on lower anchor ear steel plate, if do not limited by cored slab top floor space, then reserved fastening bolt holes position on upper and lower anchor ear steel plate；
3) remove existing hollow slab girder bridge floor before strengthening construction to mat formation, clear up hollow slab girder surface；
4) according to fastening bolt diameter, according to encircling the boring of cored slab corresponding ribbet position on the anchor ear steel plate needing boring, in order to penetrate fastening bolt during subsequent reinforcement construction；
5) hollow slab girder bottom surface gluing, installs anchor ear by the lower anchor ear steel plate of welding fabrication and in the bottom surface of hollow slab girder and fixes temporarily, the upper anchor ear steel plate of hollow slab girder end face erecting and welding molding, and anchor ear splicing Plate Welding forms Guan Bi anchor ear in upper and lower anchor ear steel plate；
6) according to field condition, if fastening bolt is welded in anchor ear steel plate or the reserved location of lower anchor ear steel plate in advance, when then installing steel-bolt hoop system, fastening bolt is through the reserved boring of hollow slab girder ribbet, if fastening bolt is by preformed hole on upper and lower anchor ear steel plate, when then installing steel-bolt hoop system, fastening bolt through steel plate preformed hole and penetrates the reserved boring of cored slab ribbet, in any shape, fastening bolt is installed and is fastened complete and guarantee the assembled firm rear bolt hole slip casting of upper and lower anchor ear steel plate；
7) Surfacing Construction, reinforcing completes.
Steel band-bolt chain of rings cuff method that hollow slab bridge the most according to claim 5 is reinforced, it is characterised in that: fastening bolt can take to weld in advance or reserve the mode of keyhole according to the concrete condition of hollow slab bridge.
Steel band-bolt chain of rings cuff method that hollow slab bridge the most according to claim 5 is reinforced, it is characterized in that: the steel described in step 6)-bolt hoop system must bolt to be tightened be connected with upper and lower anchor ear steel plate firm, upper and lower anchor ear steel plate is in tensioning state grouting behind shaft or drift lining, it is ensured that consolidation effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610350725.2A CN105862609A (en) | 2016-05-25 | 2016-05-25 | Steel belt and bolt interlined hooping method for reinforcing hollow slab bridges and hooping system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610350725.2A CN105862609A (en) | 2016-05-25 | 2016-05-25 | Steel belt and bolt interlined hooping method for reinforcing hollow slab bridges and hooping system thereof |
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| CN105862609A true CN105862609A (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740353A (en) * | 2017-09-28 | 2018-02-27 | 浙江交工宏途交通建设有限公司 | The longitudinal spliced structure of highway hollow slab girder and joining method |
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| CN205653709U (en) * | 2016-05-25 | 2016-10-19 | 郑州大学 | Reinforced (rfd) a chain of cuff device of hollow slab bridge |
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| KR101024369B1 (en) * | 2008-04-11 | 2011-03-23 | 주식회사 아이비엘이앤씨 | Construction method of hollow slab bridge |
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| CN102926331A (en) * | 2012-10-30 | 2013-02-13 | 商丘市豫东公路勘察设计有限公司 | Concrete hollow slab bridge strengthened by transverse integral clamping connection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107740353A (en) * | 2017-09-28 | 2018-02-27 | 浙江交工宏途交通建设有限公司 | The longitudinal spliced structure of highway hollow slab girder and joining method |
| CN107740353B (en) * | 2017-09-28 | 2019-03-05 | 浙江交工宏途交通建设有限公司 | The longitudinal spliced structure of highway hollow slab girder and joining method |
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Inventor after: Chen Huai Inventor after: Ji Tonggeng Inventor after: Li Jie Inventor after: Chen Daihai Inventor after: Ge Sujuan Inventor after: Ma Peipei Inventor after: Wang Yan Inventor before: Chen Huai Inventor before: Ji Tonggeng Inventor before: Li Jie Inventor before: Chen Daihai Inventor before: Ge Sujuan Inventor before: Ma Peipei |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |