CN113430915A - High stability hollow slab beam - Google Patents
High stability hollow slab beam Download PDFInfo
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- CN113430915A CN113430915A CN202110734385.4A CN202110734385A CN113430915A CN 113430915 A CN113430915 A CN 113430915A CN 202110734385 A CN202110734385 A CN 202110734385A CN 113430915 A CN113430915 A CN 113430915A
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- 238000010276 construction Methods 0.000 abstract description 17
- 210000001503 joint Anatomy 0.000 abstract description 3
- 230000008520 organization Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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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
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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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
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Abstract
The invention belongs to the technical field of bridge erection application, and particularly discloses a high-stability hollow slab beam which comprises a strip-shaped hollow slab beam, through grooves, a group of first waist-shaped through grooves, a group of second waist-shaped through grooves, a group of first clamping blocks, a first limiting clamping groove, a second clamping block, a third clamping block, a second limiting clamping groove, a third limiting clamping groove, a group of first positioning clamping blocks, a first limiting clamping block, a second positioning clamping block, a third positioning clamping block, a second limiting clamping block, a third limiting clamping block and the like. The high-stability hollow slab beam has the beneficial effects that: its project organization is reasonable, solves current prefabricated hollow slab roof beam construction consuming time, problem with high costs when erectting, when erectting the construction, adjacent prefabricated hollow slab roof beam is connected the face and can be accomplished high-efficient, accurate butt joint fixed, has practiced thrift the engineering time, has reduced construction cost, erects simultaneously that construction back adjacent prefabricated hollow slab roof beam is connected the face and is connected stably, reliably, long service life.
Description
Technical Field
The invention belongs to the technical field of bridge erection application, and particularly relates to a high-stability hollow slab beam.
Background
Bridge superstructure mainly has board roof beam and case roof beam and T type roof beam, refers to bridge girder section form, and beam type bridge cross section form generally has: the steel plate comprises plates (hollow plates and solid plates), T-shaped beams, box beams (prefabricated and cast-in-place small box beams and box beams) and the like, wherein the plates comprise I-shaped plate beams, hollow plate beams and the like according to forms.
The hollow slab beam bridge has the advantages of simple prefabrication process, convenience in installation, low manufacturing cost, small building height and the like, so that the hollow slab beam bridge is widely applied to various highway projects.
When the prefabricated hollow slab beam is constructed and erected, the connection surface of the prefabricated hollow slab beam of the existing structure is not provided with auxiliary installation fixing parts, and in order to ensure that the connection of the adjacent erected hollow slab beams is stable and reliable, the connection surface of the erected prefabricated hollow slab beam needs to be fixed, so that the construction period time is increased, and the construction economic cost is also increased.
Therefore, in view of the above problems, the present invention provides a high-stability hollow slab beam.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a high-stability hollow slab beam, which solves the problems of time consumption and high cost in the construction and erection of the existing prefabricated hollow slab beam.
The technical scheme is as follows: the invention provides a high-stability hollow plate girder, which comprises a strip-shaped hollow plate girder, a through groove arranged in the strip-shaped hollow plate girder, a group of first waist-shaped through grooves, a group of second waist-shaped through grooves, a group of first clamping blocks, first limiting clamping grooves, second clamping blocks, third clamping blocks, second limiting clamping grooves, third limiting clamping grooves, a group of first positioning clamping blocks and first limiting clamping blocks, wherein the group of first waist-shaped through grooves, the group of second waist-shaped through grooves, the group of first clamping blocks, the group of first limiting clamping blocks, the second clamping blocks, the third clamping blocks, the second limiting clamping grooves, the third limiting clamping grooves, the group of first positioning clamping blocks, the group of first positioning clamping blocks and the first limiting clamping blocks are symmetrically arranged in one surface of the strip-shaped hollow plate girder and are positioned in two side walls of the through groove, and the second positioning fixture block and the third positioning fixture block are respectively arranged in the other end of the strip-shaped hollow plate beam and are positioned on the side walls of the first waist-shaped through groove and the second waist-shaped through groove, and the second positioning fixture block and the third positioning fixture block are respectively arranged on the outer walls of one surface of the second fixture block and one surface of the third fixture block and are matched with the second limiting clamping groove and the third limiting clamping groove for use.
This technical scheme, high stability hollow slab beam still includes the bar spacing groove that sets up respectively at bar hollow slab beam both sides upper portion outer wall, and set up at bar hollow slab beam one end upper portion outer wall and be located the bar spacing inslot first supplementary fixed stopper, and set up the swivel nut in the first supplementary fixed stopper in first supplementary fixed stopper respectively, and set up the second supplementary fixed stopper that just is located the bar spacing inslot at bar hollow slab beam other end upper portion outer wall, and set up the swivel nut in the supplementary fixed stopper of second respectively, and through the swivel nut in the first supplementary fixed stopper, the swivel nut will be adjacent bar hollow slab beam in the supplementary fixed stopper of second, the bolt, the nut of the fastening connection of first supplementary fixed stopper, the supplementary fixed stopper of second.
According to the technical scheme, the strip-shaped limiting groove is of a horizontal U-shaped structure, the first auxiliary fixed limiting block and the second auxiliary fixed limiting block are of concrete structures respectively, and the inner screw sleeve of the first auxiliary fixed limiting block and the inner screw sleeve of the second auxiliary fixed limiting block are prefabricated in the first auxiliary fixed limiting block and the second auxiliary fixed limiting block respectively.
According to the technical scheme, the first limiting clamping groove and the first limiting clamping block are of rectangular structures or square structures which are matched with each other for use, wherein the sizes of the connecting surfaces of the first clamping block and the first positioning clamping block are the same; the second limiting clamping groove, the third limiting clamping groove, the second limiting clamping block and the third limiting clamping block are respectively arranged into semicircular structures which are matched for use, wherein the sizes of the connecting surfaces of the second clamping block, the third clamping block, the second positioning clamping block and the third positioning clamping block are the same; the first auxiliary fixed limiting block and the second auxiliary fixed limiting block are the same in size.
Compared with the prior art, the high-stability hollow slab beam has the beneficial effects that: its project organization is reasonable, solves current prefabricated hollow slab roof beam construction consuming time, problem with high costs when erectting, when erectting the construction, adjacent prefabricated hollow slab roof beam is connected the face and can be accomplished high-efficient, accurate butt joint fixed, has practiced thrift the engineering time, has reduced construction cost, erects simultaneously that construction back adjacent prefabricated hollow slab roof beam is connected the face and is connected stably, reliably, long service life.
Drawings
FIG. 1 is a schematic structural view of a high stability hollow slab beam according to the present invention;
FIG. 2 is a schematic top view of a high stability hollow slab beam according to the present invention;
fig. 3 is a schematic diagram of a construction assembly structure of a first auxiliary fixing limiting block inner threaded sleeve, a second auxiliary fixing limiting block inner threaded sleeve, a strip-shaped hollow plate beam, a first auxiliary fixing limiting block, a second auxiliary fixing limiting block, a bolt, a nut and the like of the high-stability hollow plate beam.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Example one
As shown in figures 1, 2 and 3, the high-stability hollow plate girder comprises a strip-shaped hollow plate girder 1, a through groove 2 arranged in the strip-shaped hollow plate girder 1, a group of first waist-shaped through grooves 5, a group of second waist-shaped through grooves 8 arranged in the strip-shaped hollow plate girder 1 and positioned at two sides of the through groove 2, a group of first clamping blocks 3 symmetrically arranged in one end of the strip-shaped hollow plate girder 1 and positioned at two side inner walls of the through groove 2, first limiting clamping grooves 4 respectively arranged in one surface of the first clamping blocks 3, second clamping blocks 6, third clamping blocks 9 respectively arranged in one end of the strip-shaped hollow plate girder 1 and positioned at two side walls of the first waist-shaped through groove 5 and the second waist-shaped through groove 8, second limiting clamping grooves 7, third limiting clamping grooves 10 respectively arranged in one surfaces of the second clamping blocks 6 and the third clamping blocks 9, and a group of first positioning clamping blocks 11 symmetrically arranged in the other end of the strip-shaped hollow plate girder 1 and positioned at two side inner walls of the through groove 2, and a first limiting clamping block 12 which is respectively arranged on one outer wall of the first positioning clamping block 11 and is matched with the first limiting clamping groove 4 for use, a second positioning clamping block 13 and a third positioning clamping block 15 which are respectively arranged in the other end of the strip-shaped hollow plate beam 1 and are positioned on the side walls of the first waist-shaped through groove 5 and the second waist-shaped through groove 8, and a second limiting clamping block 14 and a third limiting clamping block 16 which are respectively arranged on one outer wall of the second clamping block 6 and the third clamping block 9 and are matched with the second limiting clamping groove 7 and the third limiting clamping groove 10 for use.
Example two
As shown in figures 1, 2 and 3, the high-stability hollow plate girder comprises a strip-shaped hollow plate girder 1, a through groove 2 arranged in the strip-shaped hollow plate girder 1, a group of first waist-shaped through grooves 5, a group of second waist-shaped through grooves 8 arranged in the strip-shaped hollow plate girder 1 and positioned at two sides of the through groove 2, a group of first clamping blocks 3 symmetrically arranged in one end of the strip-shaped hollow plate girder 1 and positioned at two side inner walls of the through groove 2, first limiting clamping grooves 4 respectively arranged in one surface of the first clamping blocks 3, second clamping blocks 6, third clamping blocks 9 respectively arranged in one end of the strip-shaped hollow plate girder 1 and positioned at two side walls of the first waist-shaped through groove 5 and the second waist-shaped through groove 8, second limiting clamping grooves 7, third limiting clamping grooves 10 respectively arranged in one surfaces of the second clamping blocks 6 and the third clamping blocks 9, and a group of first positioning clamping blocks 11 symmetrically arranged in the other end of the strip-shaped hollow plate girder 1 and positioned at two side inner walls of the through groove 2, and a first limit block 12 disposed on an outer wall of one side of the first position block 11 and used in cooperation with the first limit slot 4, a second position block 13 and a third position block 15 disposed in the other end of the bar-shaped hollow beam 1 and located on the first waist-shaped through slot 5 and the side wall of the second waist-shaped through slot 8, a second limit block 14 and a third limit block 16 disposed on an outer wall of one side of the second block 6 and the third block 9 and used in cooperation with the second limit slot 7 and the third limit slot 10, a bar-shaped limit slot 17 disposed on an outer wall of an upper portion of two sides of the bar-shaped hollow beam 1, a first auxiliary fixed limit block 18 disposed on an outer wall of an upper portion of one end of the bar-shaped hollow beam 1 and located in the bar-shaped limit slot 17, a first auxiliary fixed limit block inner screw 19 disposed in the first auxiliary fixed limit block 18, and a second auxiliary fixed limit block screw 19 disposed on an outer wall of an upper portion of the other end of the bar-shaped hollow beam 1 and located in the limit slot 17 The block 20, the second auxiliary fixed limiting block inner threaded sleeve 21 respectively arranged in the second auxiliary fixed limiting block 20, and the bolt 22 and the nut 23 which are used for tightly connecting the adjacent strip-shaped hollow plate beam 1, the first auxiliary fixed limiting block 18 and the second auxiliary fixed limiting block 20 through the first auxiliary fixed limiting block inner threaded sleeve 19 and the second auxiliary fixed limiting block inner threaded sleeve 21.
In the high-stability hollow slab beam according to the first or second structural embodiment, the bar-shaped limiting groove 17 is formed in a horizontal U-shaped structure, the first auxiliary fixed limiting block 18 and the second auxiliary fixed limiting block 20 are respectively of a concrete structure, and the inner thread sleeve 19 of the first auxiliary fixed limiting block and the inner thread sleeve 21 of the second auxiliary fixed limiting block are respectively prefabricated in the first auxiliary fixed limiting block 18 and the second auxiliary fixed limiting block 20.
In the high-stability hollow slab beam according to the first or second structural embodiment, the first limiting clamping groove 4 and the first limiting clamping block 12 are of a rectangular structure or a square structure which are used in a matched manner, wherein the sizes of the connecting surfaces of the first clamping block 3 and the first positioning clamping block 11 are the same; the second limiting clamping groove 7, the third limiting clamping groove 10, the second limiting clamping block 14 and the third limiting clamping block 16 are respectively arranged into semicircular structures which are matched for use, wherein the sizes of the connecting surfaces of the second clamping block 6, the third clamping block 9, the second positioning clamping block 13 and the third positioning clamping block 15 are the same; the first auxiliary fixed limiting block 18 and the second auxiliary fixed limiting block 20 have the same size.
The method specifically comprises the following steps: a first limiting fixture block 12, a second limiting fixture block 14 and a third limiting fixture block 16 at one end of each strip-shaped hollow plate beam 1 are respectively clamped into a first limiting clamping groove 4, a second limiting clamping groove 7 and a third limiting clamping groove 10 at the other end of each adjacent strip-shaped hollow plate beam 1 during construction and assembly; after the parts are aligned one by one, the second auxiliary fixing limiting block 20 at one end of the outer wall of the upper part of the strip-shaped hollow plate beam 1 corresponds to the first auxiliary fixing limiting block 18 at one end of the outer wall of the upper part of the adjacent strip-shaped hollow plate beam 1 in position and is fixedly connected with the first auxiliary fixing limiting block by the bolt 22 and the nut 23 through the inner thread sleeve 19 of the first auxiliary fixing limiting block and the inner thread sleeve 21 of the second auxiliary fixing limiting block.
This high stability hollow slab beam of structural embodiment one or embodiment two, its project organization is reasonable, solves current prefabricated hollow slab beam construction consuming time, problem with high costs when erectting, when erectting the construction, and adjacent prefabricated hollow slab beam is connected the face and can be accomplished high-efficient, accurate butt joint fixed, has practiced thrift the engineering time, has reduced construction cost, erects simultaneously that construction back adjacent hollow slab beam is connected the face and is connected stably, reliably, long service life.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (4)
1. The utility model provides a high stability hollow slab beam which characterized in that: the clamping device comprises a strip-shaped hollow plate girder (1), a set of through grooves (2) arranged in the strip-shaped hollow plate girder (1), a set of first waist-shaped through grooves (5) and a set of second waist-shaped through grooves (8) which are arranged in the strip-shaped hollow plate girder (1) and located on two sides of the through grooves (2), a set of first clamping blocks (3) which are symmetrically arranged in one end of the strip-shaped hollow plate girder (1) and located on two side inner walls of the through grooves (2), first limiting clamping grooves (4) which are respectively arranged in one surface of the first clamping blocks (3), second clamping blocks (6) and third clamping blocks (9) which are respectively arranged in one end of the strip-shaped hollow plate girder (1) and located on one side wall of the first waist-shaped through grooves (5), the second waist-shaped through grooves (8), and second limiting clamping grooves (7) and third clamping grooves (10) which are respectively arranged in the second clamping blocks (6) and the one surface of the third clamping blocks (9), and a set of first limiting clamping grooves (10) which are symmetrically arranged in the other end of the strip-shaped hollow plate girder (1) and located on two side inner walls of the through grooves (2) A positioning fixture block (11), a first limiting fixture block (12) which is respectively arranged on one outer wall of the first positioning fixture block (11) and is matched with the first limiting clamping groove (4) for use, a second positioning fixture block (13) and a third positioning fixture block (15) which are respectively arranged in the other end of the strip-shaped hollow plate beam (1) and are positioned on the side walls of the first waist-shaped through groove (5) and the second waist-shaped through groove (8), and a second limiting fixture block (14) and a third limiting fixture block (16) which are respectively arranged on one outer wall of the second fixture block (6) and the third fixture block (9) and are matched with the second limiting clamping groove (7) and the third limiting clamping groove (10) for use.
2. The high-stability hollow slab beam as claimed in claim 1, wherein: the high-stability hollow plate beam further comprises a bar-shaped limiting groove (17) which is respectively arranged on the outer walls of the upper parts of two sides of the bar-shaped hollow plate beam (1), a first auxiliary fixed limiting block (18) which is arranged on the outer wall of the upper part of one end of the bar-shaped hollow plate beam (1) and is positioned in the bar-shaped limiting groove (17), a first auxiliary fixed limiting block inner threaded sleeve (19) which is respectively arranged in the first auxiliary fixed limiting block (18), a second auxiliary fixed limiting block (20) which is arranged on the outer wall of the upper part of the other end of the bar-shaped hollow plate beam (1) and is positioned in the bar-shaped limiting groove (17), a second auxiliary fixed limiting block inner threaded sleeve (21) which is respectively arranged in the second auxiliary fixed limiting block (20), and a first auxiliary fixed limiting block (18) and a second auxiliary fixed limiting block inner threaded sleeve (21) which are respectively arranged on the adjacent bar-shaped hollow plate beam (1), The second auxiliary fixing limiting block (20) is fixedly connected with a bolt (22) and a nut (23).
3. The high-stability hollow slab beam as claimed in claim 1, wherein: the bar-shaped limiting groove (17) is of a horizontal U-shaped structure, the first auxiliary fixed limiting block (18) and the second auxiliary fixed limiting block (20) are of concrete structures respectively, and the threaded sleeve (19) in the first auxiliary fixed limiting block and the threaded sleeve (21) in the second auxiliary fixed limiting block are prefabricated in the first auxiliary fixed limiting block (18) and the second auxiliary fixed limiting block (20) respectively.
4. A high stability hollow slab beam as claimed in claim 2, wherein: the first limiting clamping groove (4) and the first limiting clamping block (12) are of rectangular structures or square structures which are matched with each other for use, wherein the sizes of the connecting surfaces of the first clamping block (3) and the first positioning clamping block (11) are the same; the second limiting clamping groove (7), the third limiting clamping groove (10), the second limiting clamping block (14) and the third limiting clamping block (16) are respectively arranged into semicircular structures which are matched with each other for use, wherein the sizes of the connecting surfaces of the second clamping block (6), the third clamping block (9), the second positioning clamping block (13) and the third positioning clamping block (15) are the same; the first auxiliary fixed limiting block (18) and the second auxiliary fixed limiting block (20) are the same in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110734385.4A CN113430915A (en) | 2021-06-30 | 2021-06-30 | High stability hollow slab beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110734385.4A CN113430915A (en) | 2021-06-30 | 2021-06-30 | High stability hollow slab beam |
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| Publication Number | Publication Date |
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| CN113430915A true CN113430915A (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110734385.4A Pending CN113430915A (en) | 2021-06-30 | 2021-06-30 | High stability hollow slab beam |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201151969Y (en) * | 2008-01-21 | 2008-11-19 | 李延新 | Light weight foamed hollow partition board |
| JP2010236206A (en) * | 2009-03-30 | 2010-10-21 | Nippon Steel & Sumikin Metal Products Co Ltd | Column-beam joint part core and column-beam joint part structure using it |
| CN102561169A (en) * | 2012-03-06 | 2012-07-11 | 郑州大学 | Hollow slab bridge and construction method thereof |
| CN103572884A (en) * | 2012-07-31 | 2014-02-12 | 初明进 | Prefabricated concrete hollow component |
| CN105484142A (en) * | 2015-10-30 | 2016-04-13 | 河海大学 | Assembling type sectional precast concrete hollow plate girder structure and manufacturing method thereof |
| CN207498814U (en) * | 2017-09-28 | 2018-06-15 | 浙江交工宏途交通建设有限公司 | The longitudinal spliced structure of highway hollow slab girder and fixture |
| CN208251444U (en) * | 2018-05-30 | 2018-12-18 | 泉州天泉信息科技有限公司 | A kind of plate cored slab for building |
| CN209854527U (en) * | 2019-04-01 | 2019-12-27 | 西南交通大学 | Assembled hollow slab bridge structure |
| CN110820533A (en) * | 2019-10-18 | 2020-02-21 | 同济大学 | Bridge design method capable of realizing repeated disassembly and assembly and novel bridge thereof |
| CN211873083U (en) * | 2020-01-19 | 2020-11-06 | 姚超 | Prefabricated assembled underground comprehensive pipe gallery |
| CN212078270U (en) * | 2020-03-19 | 2020-12-04 | 扬州中兴绿色建筑科技有限公司 | Prestressed hollow slab |
| CN112064661A (en) * | 2020-09-27 | 2020-12-11 | 浙江中天建筑产业化有限公司 | Novel prefabricated accessory of overpass approach bridge |
-
2021
- 2021-06-30 CN CN202110734385.4A patent/CN113430915A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201151969Y (en) * | 2008-01-21 | 2008-11-19 | 李延新 | Light weight foamed hollow partition board |
| JP2010236206A (en) * | 2009-03-30 | 2010-10-21 | Nippon Steel & Sumikin Metal Products Co Ltd | Column-beam joint part core and column-beam joint part structure using it |
| CN102561169A (en) * | 2012-03-06 | 2012-07-11 | 郑州大学 | Hollow slab bridge and construction method thereof |
| CN103572884A (en) * | 2012-07-31 | 2014-02-12 | 初明进 | Prefabricated concrete hollow component |
| CN105484142A (en) * | 2015-10-30 | 2016-04-13 | 河海大学 | Assembling type sectional precast concrete hollow plate girder structure and manufacturing method thereof |
| CN207498814U (en) * | 2017-09-28 | 2018-06-15 | 浙江交工宏途交通建设有限公司 | The longitudinal spliced structure of highway hollow slab girder and fixture |
| CN208251444U (en) * | 2018-05-30 | 2018-12-18 | 泉州天泉信息科技有限公司 | A kind of plate cored slab for building |
| CN209854527U (en) * | 2019-04-01 | 2019-12-27 | 西南交通大学 | Assembled hollow slab bridge structure |
| CN110820533A (en) * | 2019-10-18 | 2020-02-21 | 同济大学 | Bridge design method capable of realizing repeated disassembly and assembly and novel bridge thereof |
| CN211873083U (en) * | 2020-01-19 | 2020-11-06 | 姚超 | Prefabricated assembled underground comprehensive pipe gallery |
| CN212078270U (en) * | 2020-03-19 | 2020-12-04 | 扬州中兴绿色建筑科技有限公司 | Prestressed hollow slab |
| CN112064661A (en) * | 2020-09-27 | 2020-12-11 | 浙江中天建筑产业化有限公司 | Novel prefabricated accessory of overpass approach bridge |
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Application publication date: 20210924 |