CN110130212A - A kind of assembled steel reinforced concrete pier and its construction method - Google Patents
A kind of assembled steel reinforced concrete pier and its construction method Download PDFInfo
- Publication number
- CN110130212A CN110130212A CN201910312898.9A CN201910312898A CN110130212A CN 110130212 A CN110130212 A CN 110130212A CN 201910312898 A CN201910312898 A CN 201910312898A CN 110130212 A CN110130212 A CN 110130212A
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- Prior art keywords
- stirrup
- concrete
- bridge pier
- shell
- pier
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 71
- 239000010959 steel Substances 0.000 title claims abstract description 71
- 238000010276 construction Methods 0.000 title claims abstract description 54
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 33
- 230000002787 reinforcement Effects 0.000 claims abstract description 83
- 239000004567 concrete Substances 0.000 claims abstract description 73
- 238000005266 casting Methods 0.000 claims abstract description 8
- 239000003351 stiffener Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000011376 self-consolidating concrete Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229910017435 S2 In Inorganic materials 0.000 claims 2
- 238000007493 shaping process Methods 0.000 abstract description 4
- 230000015271 coagulation Effects 0.000 abstract description 3
- 238000005345 coagulation Methods 0.000 abstract description 3
- 230000032258 transport Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 239000011178 precast concrete Substances 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling 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 present invention provides a kind of assembled steel reinforced concrete pier, and including hollow bridge pier shell and the cast-in-place core concrete being set in bridge pier shell, bridge pier shell includes concrete layer and steel reinforcement cage, and steel reinforcement cage is set to inside concrete layer;Steel reinforcement cage includes several circumferential stirrup mesh sheet and several vertical reinforcements, and equidistant interval is arranged several circumferential direction stirrup mesh sheet in the vertical direction, and circumferentially stirrup mesh sheet equidistant interval is arranged several vertical reinforcements.The present invention provides a kind of construction method of assembled steel reinforced concrete pier, steel reinforcement cage and template construct is good, then concrete coagulation is poured between template to be integrated to form integrated bridge pier shell, bridge pier shell is transported to construction site, and the cast-in-place core concrete of casting in the hollow hole of bridge pier shell.The present invention provide it is a kind of it is light-weight, the construction period is short, mitigate transport significantly and hoisting difficulty, provides the overall performance after a variety of construction approach and shaping structures good assembled steel reinforced concrete pier and its construction method.
Description
Technical field
The present invention relates to science of bridge building field more particularly to a kind of assembled steel reinforced concrete pier and its construction methods.
Background technique
Traditional bridge construction generally uses cast-in-place concrete construction mode and precast concrete form of construction work both sides
Method.Existing cast-in-place concrete construction mode is that binding vertical reinforcement and stirrup are connect first with forming steel reinforcement cage at the construction field (site)
Around the section of bridge pier support set up template, casting concrete is finally removed after concrete setting to preset intensity
The template of bridge pier surrounding, therefore, cast-in-place concrete construction mode have the following disadvantages: that (1) construction period is too long, construction efficiency
It is low;(2) construction procedure is more, and process is complicated;(3) construction quality is unfavorable for controlling.
Existing precast concrete form of construction work is to complete the making step of cast-in-place concrete construction mode in the factory, so
The solid concrete bridge pier completed in factory is transported to construction site afterwards, lifting peace finally is carried out to solid concrete bridge pier
Dress, therefore, precast concrete form of construction work have the following disadvantages: that the weight of the bridge pier after the completion of (1) is prefabricated is larger, to transport and
Hanging belt comes very big cost and safety problem;(2) it also needs to pour component after laying built-in fitting and concrete in prefabrication process,
To form bridge pier entirety, connecting structure is complicated, while the stress performance of entire bridge pier and overall performance be not good enough.
Summary of the invention
Based on this, the purpose of the present invention is to provide a kind of assembled steel reinforced concrete pier and its construction methods, to mention
Construction is applied for one kind is light-weight, the construction period is short, mitigate transport and hoisting difficulty significantly, Bridge Pier Construction installation is greatly lowered
The requirement of the elevating capacity of construction equipment and the good assembled steel reinforced concrete pier and its construction of overall performance after shaping structures
Method.
The technical solution of the present invention is as follows: a kind of assembled steel reinforced concrete pier, which is characterized in that including hollow bridge pier
Shell and the cast-in-place core concrete being set in bridge pier shell, the bridge pier shell include concrete layer and steel reinforcement cage, described
Steel reinforcement cage is set to inside the concrete layer;
The steel reinforcement cage includes several circumferential stirrup mesh sheet and several vertical reinforcements, and several circumferential direction stirrup mesh sheet are in vertical side
Upward equidistant interval setting, circumferentially stirrup mesh sheet equidistant interval is arranged several vertical reinforcements.
Optionally, the ring-shaped stirrup mesh sheet includes outer circumferential stirrup, interior circumferential stirrup and radial stiffener, the diameter
It is set on the outer circumferential stirrup and the interior circumferential stirrup to stiffener.
Optionally, assembled steel reinforced concrete pier of the invention includes several outer vertical reinforcements and several are interior vertical
Reinforcing bar, several described outer vertical reinforcement equi-angularly spaces are set to the outer circumferential stirrup, several described interior vertical reinforcements etc.
Angular spacing is set to interior circumferential stirrup.
Optionally, the circumferential stirrup mesh sheet further includes middle circumferential stirrup, and the middle circumferential stirrup is located at the outer circumferential direction
Between stirrup and the interior circumferential stirrup, the radial direction stiffener be set to the outer circumferential stirrup, the middle circumferential stirrup and
On the interior circumferential stirrup.
Optionally, the concrete layer and the steel reinforcement cage are integrated molding structure.
Optionally, the cross section of the bridge pier shell is ring-like or oval type.
In order to reach identical purpose, the present invention also provides a kind of assembled steel reinforced concrete piers as described above
Construction method comprising following steps:
S1, by each stirrup mesh sheet longitudinal arrangement, then by the outside of stirrup mesh sheet and inside respectively with it is described outer
Vertical reinforcement and the interior Vertical bar connection, to form the steel reinforcement cage;
S2, template is respectively set in the inner side and outer side of the steel reinforcement cage;
S3, it is poured concrete toward between two templates, to form concrete layer;
S4, the template is removed, to form the integrated bridge pier shell;
S5, the bridge pier shell is transported to construction site, and installation fixation is carried out to the bridge pier shell;
S6, the cast-in-place core concrete of casting in the hollow hole of the bridge pier shell, to form solid concrete bridge pier.
Optionally, the cast-in-place core concrete uses self-compacting concrete.
Optionally, in the step S2, the template is internal model and external mold.
Optionally, in the step S2, the template is internal model perhaps external mold and using centrifugal process preparation molding or outer
The molding of portion's gunite concrete.
The implementation of the embodiments of the present invention has the following beneficial effects:
Assembled steel reinforced concrete pier of the invention has the advantages that
(1) since bridge pier shell includes concrete layer and steel reinforcement cage, steel reinforcement cage is set to inside concrete layer, so that steel
Muscle cage is integrated with concrete layer, so that bridge pier shell has the characteristics that light-weight, can not only accelerate work
Progress, and can reduce the work load of hanging device, and save project cost;
(2) cast-in-place core concrete is set to the inside of bridge pier shell, and bridge pier shell and cast-in-place core concrete form one
It is whole, by the way that cast-in-place core concrete is set as cast-in-place structural, so that between cast-in-place core concrete and bridge pier shell
Connection reliability and waterproof resistance is improved;
(3) steel reinforcement cage includes several circumferential stirrup mesh sheet and several vertical reinforcements, and vertical reinforcement and circumferential stirrup mesh sheet connect
It connects, consequently facilitating the production of steel reinforcement cage and accelerating Production Time of steel reinforcement cage;
Therefore, assembled steel reinforced concrete pier of the invention have it is light-weight, the construction period is short, significantly mitigate transport and
Hoisting difficulty, be greatly lowered Bridge Pier Construction installation to construction construction equipment elevating capacity requirement and shaping structures after it is whole
The good feature of body performance;
The construction method of assembled steel reinforced concrete pier of the invention has the advantages that
The construction method of assembled steel reinforced concrete pier of the invention, steel reinforcement cage and template construct is good, then in mould
It is poured concrete coagulation between plate to be integrated to form integrated bridge pier shell, bridge pier shell is transported to construction site, and
And the cast-in-place core concrete of casting is in the hollow hole of bridge pier shell to form solid concrete bridge pier, and therefore, dress of the invention
Speed of application can not only be accelerated with formula reinforced concrete bridge pier construction method and shorten the construction period, but also bridge pier can be improved
Overall performance and safety, consequently facilitating being promoted.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that bridge pier of the invention is ring type structure.
Fig. 2 is the structural schematic diagram that bridge pier of the invention is waist type structure.
Fig. 3 is the attachment structure schematic diagram of bridge pier shell of the invention.
Fig. 4 is the structural schematic diagram of steel reinforcement cage of the invention.
Description of symbols:
1, bridge pier shell;11, concrete layer;12, steel reinforcement cage;121, circumferential stirrup mesh sheet;1211, outer circumferential stirrup;
1212, interior circumferential stirrup;1213, radial stiffener;122, outer vertical reinforcement;123, interior vertical reinforcement;2, core concrete.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right", "top", "bottom" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
As shown in figures 1-4, a kind of assembled steel reinforced concrete pier provided by the embodiment of the present invention, which is characterized in that
Including hollow bridge pier shell 1 and the cast-in-place core concrete 2 being set in bridge pier shell 1, bridge pier shell 1 includes concrete layer
11 and steel reinforcement cage 12, steel reinforcement cage 12 is set to inside concrete layer 11;
Steel reinforcement cage 12 includes several circumferential stirrup mesh sheet 121 and several vertical reinforcements, and several circumferential direction stirrup mesh sheet 121 are being erected
The upward equidistant interval setting of histogram, circumferentially 121 equidistant interval of stirrup mesh sheet is arranged several vertical reinforcements.
Based on above-mentioned setting, assembled steel reinforced concrete pier of the invention is had the advantages that
(1) since bridge pier shell 1 includes concrete layer 11 and steel reinforcement cage 12, and steel reinforcement cage 12 is set in concrete layer 11
Portion, so that steel reinforcement cage 12 is integrated with concrete layer 11, so that bridge pier shell 1 has light-weight spy
Point can not only accelerate work progress, but also can reduce the work load of hanging device, and save project cost;
(2) cast-in-place core concrete 2 is set to the inside of bridge pier shell 1, bridge pier shell 1 and the formation of cast-in-place core concrete 2
One entirety, by the way that cast-in-place core concrete 2 is set as cast-in-place structural, so that cast-in-place core concrete 2 and bridge pier shell 1
Between connection reliability and waterproof resistance is improved;
(3) steel reinforcement cage 12 includes several circumferential stirrup mesh sheet 121 and several vertical reinforcements, vertical reinforcement and circumferential stirrup net
Piece 121 connects, consequently facilitating the production of steel reinforcement cage 12 and accelerating Production Time of steel reinforcement cage 12;
Therefore, assembled steel reinforced concrete pier of the invention have it is light-weight, the construction period is short, significantly mitigate transport and
Hoisting difficulty, be greatly lowered Bridge Pier Construction installation to construction construction equipment elevating capacity requirement and shaping structures after it is whole
The good feature of body performance.
In the present embodiment, as shown in figures 1-4, for the ease of the production of ring-shaped stirrup mesh sheet, ring-shaped stirrup mesh sheet includes outer
Circumferential stirrup 1211, interior circumferential stirrup 1212 and radial stiffener 1213, radial stiffener 1213 are set to outer circumferential stirrup
1211 and interior circumferential stirrup 1212 on.Specifically, outer circumferential direction stirrup 1211 and interior circumferential stirrup 1212 are able to satisfy vertical reinforcement
Shearing strength, to prevent vertical reinforcement, there is a phenomenon where stress bucklings;Radial stiffener 1213 can be by outer circumferential stirrup
1211 and interior circumferential stirrup 1212 be coupled as one, and can reinforce the strong of outer circumferential direction stirrup 1211 and interior circumferential direction stirrup 1212
Degree.
In the present embodiment, as shown in figures 1-4, the assembled steel reinforced concrete pier of the embodiment of the present invention includes several
Outer vertical reinforcement 122 and several interior vertical reinforcements 123, several outer 122 equi-angularly spaces of vertical reinforcement are set to outer circumferential hoop
Muscle 1211, several interior 123 equi-angularly spaces of vertical reinforcement are set to interior circumferential stirrup 1212.Specifically, outer vertical reinforcement 122 is
Close to the vertical reinforcement of core concrete 2, interior vertical reinforcement 123 is the vertical reinforcement far from core concrete 2, outer vertical reinforcement
122 and interior vertical reinforcement 123 be used as stress main reinforcement, play the role of bearing pressure and pulling force.
In the present embodiment, as shown in figures 1-4, in order to further enhance the shearing strength of steel reinforcement cage 12, circumferential stirrup mesh sheet
121 further include middle circumferential stirrup, and middle circumferential direction stirrup is located between outer circumferential stirrup 1211 and interior circumferential stirrup 1212, radial to reinforce
Reinforcing bar 1213 is set on outer circumferential stirrup 1211, middle circumferential stirrup and interior circumferential stirrup 1212.Specifically, radial stiffener
1213 can not only play the role of enhancing intensity, and also act as by be located at same level height outer circumferential stirrup 1211, in
The effect that circumferential stirrup and interior circumferential stirrup 1212 are connected together.
In the present embodiment, as shown in figures 1-4, for the ease of the transport of bridge pier shell 1, concrete layer 11 and steel reinforcement cage 12
For integrated molding structure, mitigate the work load of hanging device.
In the present embodiment, as shown in figures 1-4, in order to expand the scope of application of bridge pier shell 1 of the invention, bridge pier shell 1
Cross section be ring-like or oval type.Specifically, when the cross section of bridge pier shell 1 is ring-like, several outer vertical reinforcements
122 and several interior vertical reinforcements 123 arrange that therefore, each circumferential direction stirrup mesh sheet 121 is without needing guiding through bridge pier shell 1 in a ring
Hollow hole in, and then be convenient for core concrete 2 casting;
When the cross section of bridge pier shell 1 is waist type, several outer vertical reinforcements 122 and several interior vertical reinforcements 123
It arranges in a ring, therefore, each circumferential direction stirrup net is convenient for core concrete 2 without in the hollow hole for needing guiding through bridge pier shell 1
Casting;
The connection type of circumferential stirrup net and outer vertical reinforcement 122 and interior vertical reinforcement 123 can be to bind or weld,
Constructor can select as needed.
In order to reach identical purpose, as shown in figures 1-4, the present invention also provides a kind of assembled steels as described above
The construction method of reinforced concrete bridge pier comprising following steps:
S1, by each stirrup mesh sheet longitudinal arrangement, then by the outside of stirrup mesh sheet and inside respectively with outer vertical reinforcement
122 connect with interior vertical reinforcement 123, to form steel reinforcement cage 12;
S2, template is respectively set in the inner side and outer side of steel reinforcement cage 12;
S3, it is poured concrete toward between two templates, to form concrete layer 11;
S4, template is removed, to form integrated bridge pier shell 1;
S5, bridge pier shell 1 is transported to construction site, and installation fixation is carried out to bridge pier shell 1;
S6, the cast-in-place core concrete 2 of casting in the hollow hole of bridge pier shell 1, to form solid concrete bridge pier.
Based on above-mentioned setting, the construction method of assembled steel reinforced concrete pier of the invention, by steel reinforcement cage 12 and template
It makes, is then poured concrete coagulation between template and is integrated to form integrated bridge pier shell 1, by bridge pier shell 1
It transports to construction site, and is poured cast-in-place core concrete 2 in the hollow hole of bridge pier shell 1 to form solid concrete bridge
Pier, therefore, assembled steel reinforced concrete pier construction method of the invention can not only accelerate speed of application and shorten construction work
Phase, and overall performance and the safety of bridge pier can be improved, consequently facilitating being promoted.
Cast-in-place core concrete 2 uses self-compacting concrete, to can guarantee that cast-in-place core concrete 2 can be close well
Real, raising pours efficiency, improves building ring and improves the surface quality of cast-in-place core concrete 2.
In step S2, template is internal model and external mold, consequently facilitating constructor is poured concrete toward between two templates.
In step S2, template be internal model perhaps external mold and using centrifugal process preparation molding or outer jet concrete at
Type.
It should be understood that various information are described in the present invention using term " first ", " second " etc., but these information
It should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from the present invention
In the case where range, " first " information can also be referred to as " second " information, and similar, " second " information can also be referred to as
" first " information.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principle of the present invention, several improvement and deformations can also be made, these improvement and deformations are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of assembled steel reinforced concrete pier, which is characterized in that including hollow bridge pier shell and be set to bridge pier shell
Interior cast-in-place core concrete, the bridge pier shell include concrete layer and steel reinforcement cage, and the steel reinforcement cage is set to the concrete
Layer is internal;
The steel reinforcement cage includes several circumferential stirrup mesh sheet and several vertical reinforcements, and several circumferential direction stirrup mesh sheet are in the vertical direction
Equidistant interval setting, circumferentially stirrup mesh sheet equidistant interval is arranged several vertical reinforcements.
2. assembled steel reinforced concrete pier as described in claim 1, which is characterized in that the ring-shaped stirrup mesh sheet includes outer
Circumferential stirrup, interior circumferential stirrup and radial stiffener, the radial direction stiffener are set to the outer circumferential stirrup and described interior
On circumferential stirrup.
3. assembled steel reinforced concrete pier as claimed in claim 2, which is characterized in that including several outer vertical reinforcements and
Several interior vertical reinforcements, several described outer vertical reinforcement equi-angularly spaces are set to the outer circumferential stirrup, described in several
Interior vertical reinforcement equi-angularly space is set to interior circumferential stirrup.
4. assembled steel reinforced concrete pier as claimed in claim 2, which is characterized in that the circumferential direction stirrup mesh sheet further includes
Middle circumferential direction stirrup, the middle circumferential direction stirrup are located between the outer circumferential stirrup and the interior circumferential stirrup, the radial reinforcement
Reinforcing bar is set on the outer circumferential stirrup, the middle circumferential stirrup and the interior circumferential stirrup.
5. assembled steel reinforced concrete pier as described in claim 1, which is characterized in that the concrete layer and the reinforcing bar
Cage is integrated molding structure.
6. assembled steel reinforced concrete pier as described in claim 1, which is characterized in that the cross section of the bridge pier shell is
Ring-like or oval type.
7. a kind of construction method of assembled steel reinforced concrete pier as described in any one of claims 1 to 6, feature exist
In, comprising the following steps:
S1, by each stirrup mesh sheet longitudinal arrangement, then by the outside of stirrup mesh sheet and inside respectively with it is described outer vertical
Reinforcing bar and the interior Vertical bar connection, to form the steel reinforcement cage;
S2, template is respectively set in the inner side and outer side of the steel reinforcement cage;
S3, it is poured concrete toward between two templates, to form concrete layer;
S4, the template is removed, to form the integrated bridge pier shell;
S5, the bridge pier shell is transported to construction site, and installation fixation is carried out to the bridge pier shell;
S6, the cast-in-place core concrete of casting in the hollow hole of the bridge pier shell, to form solid concrete bridge pier.
8. the construction method of assembled steel reinforced concrete pier as claimed in claim 7, which is characterized in that the cast-in-place core
Concrete uses self-compacting concrete.
9. the construction method of assembled steel reinforced concrete pier as claimed in claim 7, which is characterized in that the step S2
In, the template is internal model and external mold.
10. the construction method of assembled steel reinforced concrete pier as claimed in claim 7, which is characterized in that the step S2
In, the template is internal model perhaps external mold and use centrifugal process preparation molding or outer jet concrete formation.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201910312898.9A CN110130212A (en) | 2019-04-18 | 2019-04-18 | A kind of assembled steel reinforced concrete pier and its construction method |
PCT/CN2019/090246 WO2020211175A1 (en) | 2019-04-18 | 2019-06-06 | Fabricated reinforced concrete bridge pier and construction method therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910312898.9A CN110130212A (en) | 2019-04-18 | 2019-04-18 | A kind of assembled steel reinforced concrete pier and its construction method |
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CN110130212A true CN110130212A (en) | 2019-08-16 |
Family
ID=67570124
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CN201910312898.9A Pending CN110130212A (en) | 2019-04-18 | 2019-04-18 | A kind of assembled steel reinforced concrete pier and its construction method |
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CN (1) | CN110130212A (en) |
WO (1) | WO2020211175A1 (en) |
Cited By (5)
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CN110805064A (en) * | 2019-11-07 | 2020-02-18 | 贵州筑信达创科技有限公司 | Construction method of annular underground culvert pipe |
CN110984471A (en) * | 2019-12-06 | 2020-04-10 | 北京工业大学 | Semi-prefabricated reinforced concrete column with shear keys and construction method thereof |
CN113215966A (en) * | 2021-05-12 | 2021-08-06 | 上海市城市建设设计研究总院(集团)有限公司 | Slice type precast concrete bridge pier |
CN114293475A (en) * | 2021-12-31 | 2022-04-08 | 中交路桥华南工程有限公司 | Split ring sleeving construction method for variable-section large-section pier tower reinforcement cage segment |
CN116201003A (en) * | 2023-03-23 | 2023-06-02 | 天津大学 | Novel high-strength steel bar UHPC-high-strength concrete combined hollow pier |
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CN110984471A (en) * | 2019-12-06 | 2020-04-10 | 北京工业大学 | Semi-prefabricated reinforced concrete column with shear keys and construction method thereof |
CN113215966A (en) * | 2021-05-12 | 2021-08-06 | 上海市城市建设设计研究总院(集团)有限公司 | Slice type precast concrete bridge pier |
CN114293475A (en) * | 2021-12-31 | 2022-04-08 | 中交路桥华南工程有限公司 | Split ring sleeving construction method for variable-section large-section pier tower reinforcement cage segment |
CN116201003A (en) * | 2023-03-23 | 2023-06-02 | 天津大学 | Novel high-strength steel bar UHPC-high-strength concrete combined hollow pier |
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