CN108086134B - Assembled hollow steel pipe constraint reinforced concrete column high pier - Google Patents
Assembled hollow steel pipe constraint reinforced concrete column high pier Download PDFInfo
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- CN108086134B CN108086134B CN201611046790.2A CN201611046790A CN108086134B CN 108086134 B CN108086134 B CN 108086134B CN 201611046790 A CN201611046790 A CN 201611046790A CN 108086134 B CN108086134 B CN 108086134B
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- concrete column
- steel pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 163
- 239000010959 steel Substances 0.000 title claims abstract description 163
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000010276 construction Methods 0.000 claims abstract description 19
- 239000004567 concrete Substances 0.000 claims description 135
- 230000002787 reinforcement Effects 0.000 claims description 24
- 239000011796 hollow space material Substances 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 10
- 230000000452 restraining effect Effects 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000011440 grout Substances 0.000 description 7
- 210000005239 tubule Anatomy 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- 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
-
- 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
- E01D2101/268—Composite concrete-metal
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
Abstract
An assembled hollow steel tube restraining reinforced concrete column high pier belongs to a bridge structural member. In order to popularize a novel assembled steel pipe constraint reinforced concrete structure in a bridge structure, exert the structural mechanical property advantage of the structure, fully utilize materials, reduce the material usage amount, improve the economic performance, accelerate the construction progress and the like, the invention provides an assembled steel pipe constraint reinforced concrete single-column high pier. The prefabricated hollow steel pipe restrained reinforced concrete single-column high pier is characterized in that a hollow steel pipe restrained reinforced concrete short column is prefabricated in a factory, is connected with a steel plate through an ear plate on site and is finally connected through grouting. The prefabricated hollow steel tube constraint reinforced concrete circular column has the advantages of full utilization of material strength, good fire resistance and earthquake resistance, good economic benefit and the like. The invention adopts an assembled structure, and has the advantages of high construction speed, high construction quality, improved construction environment, improved labor condition, resource and energy conservation, cost conservation and the like.
Description
Technical Field
The invention belongs to a bridge structural member, and particularly relates to an assembled hollow steel tube confined reinforced concrete single-column high pier and an installation process thereof.
Background
The steel pipe restraining reinforced concrete is a combined component which is formed by filling concrete in a thin-wall steel pipe, and the steel pipe does not directly bear external load, but mainly plays a role in restraining core concrete. The steel tube constraint reinforced concrete column has high bearing capacity and excellent earthquake resistance and fire resistance, and can fully utilize the strength of high-strength steel and concrete. When the steel tube restraining reinforced concrete member wrapping steel tube is round, the steel tube restrains core concrete uniformly, the tensile strength of the steel tube can be fully utilized, and the economic benefit is good. Along with the development of urban traffic, the requirements of the urban bridge on the bridge piers are higher and higher, the hollow section column can save materials, and meanwhile, the bending resistance and the torsion resistance of the bridge piers are improved, so that the bridge piers of the type are widely applied to the urban bridge. At present, the industrialized building is gradually popularized in China, and the industrialized building has the advantages of high construction speed, high construction quality, improved construction environment and the like, and meets the requirement of sustainable development. According to the characteristics of industrialized construction, the assembled hollow steel tube restraining reinforced concrete single-column pier is provided.
Disclosure of Invention
In order to popularize a novel assembled steel pipe restrained reinforced concrete structure in a bridge structure, exert the advantages of mechanical property, fully utilizing materials, improving economic performance, accelerating construction progress and the like, and apply the technology of assembled steel pipe restrained reinforced concrete in a higher bridge, the invention provides an assembled steel pipe restrained reinforced concrete single-column high pier.
The technical scheme adopted for the purpose of the invention is that the prefabricated hollow steel tube confined reinforced concrete column high pier is characterized by comprising a pier bottom concrete column prefabricated in a factory, a plurality of concrete short columns and a foundation part for site construction.
The pier bottom concrete column is internally provided with an annular reinforcement cage. And the concrete column is wrapped with a steel pipe I. The middle of the reinforcement cage is a hollow space with an open lower end and a closed upper end. The lower surface of the pier bottom concrete column is provided with a special grouting sleeve.
Before the special grouting sleeve is formed, two annular grooves are reserved on the lower surface of the concrete column when the concrete column is prefabricated. A plurality of pipelines are communicated between the two annular grooves.
The outer surface of the steel pipe I is provided with a plurality of holes. The holes are communicated with the outer surface of the steel pipe I and an outer annular groove.
The foundation part is poured by concrete, and a plurality of longitudinal steel bars and section steel shear members are embedded in the foundation part. The upper ends of the longitudinal bars are exposed out of the upper surface of the base part and enclose two circular rings. The upper end of the section steel shear member also exposes the upper surface of the base part and is positioned in the center of the two circular rings.
At least one grouting pipeline is reserved in the foundation part.
When the concrete column is hoisted above the foundation portion, the lower end of the steel pipe I is in contact with the upper surface of the foundation portion. A gap is provided between the concrete column and the upper surface of the base portion. The upper ends of the longitudinal steel bars extend into the two annular grooves. The upper end of the section steel shear member extends into the hollow space. One end pipe orifice of the grouting pipeline is covered by the concrete column, and the other end pipe orifice is not covered by the concrete column.
Grouting material I is filled into the space between the concrete column and the foundation part through the holes and/or the grouting pipelines. And filling the grouting material I into the two annular grooves to form a special grouting sleeve. The special grouting sleeve comprises a grouting sleeve I, a grouting sleeve II and a thin pipe. The grouting sleeve I and the grouting sleeve II are respectively positioned in the two annular grooves, and the tubule is grouting material I solidified in a pipeline connecting the two annular grooves.
And the concrete short column is wrapped with a steel pipe II. The concrete short column is internally provided with a reinforcement cage formed by binding short column longitudinal reinforcements and short column stirrups.
And a plurality of lug plates are welded on the outer surface of the lower end of the outer wrapping steel pipe II. And a plurality of lug plates are welded on the outer surface of the upper end of the outer wrapping steel pipe I. And connecting the ear plates of the outer-covered steel pipe I and the outer-covered steel pipe II together through connecting steel plates. And a gap between the concrete short column and the pier bottom concrete column is provided with grouting material II. The grouting material II is poured through a through hole on the wall of the outer-covered steel pipe II.
Another hollow embodiment of the invention is: the assembled hollow steel pipe restraining reinforced concrete column high pier comprises a pier bottom concrete column prefabricated in a factory and a foundation part for site construction.
The pier bottom concrete column is internally provided with an annular reinforcement cage. And the concrete column is wrapped with a steel pipe I. The middle of the reinforcement cage is a hollow space with an open lower end and a closed upper end. The lower surface of the pier bottom concrete column is provided with a special grouting sleeve.
Before the special grouting sleeve is formed, two annular grooves are reserved on the lower surface of the concrete column when the concrete column is prefabricated. A plurality of pipelines are communicated between the two annular grooves.
The outer surface of the steel pipe I is provided with a plurality of holes. The holes are communicated with the outer surface of the steel pipe I and an outer annular groove.
The foundation part is poured by concrete, and a plurality of longitudinal steel bars are embedded in the foundation part. The upper ends of the longitudinal bars are exposed out of the upper surface of the base part and enclose two circular rings. The centers of the two circular rings are provided with basic grooves.
At least one grouting pipeline is reserved in the foundation part.
When the concrete column is hoisted above the foundation portion, the lower end of the steel pipe I is in contact with the upper surface of the foundation portion. A gap is provided between the concrete column and the upper surface of the base portion. The upper ends of the longitudinal steel bars extend into the two annular grooves. The basic groove is positioned below the hollow space. One end pipe orifice of the grouting pipeline is covered by the concrete column, and the other end pipe orifice is not covered by the concrete column.
Grouting material I is filled into the space between the concrete column and the foundation part through the holes and/or the grouting pipelines. And filling the grouting material I into the two annular grooves to form a special grouting sleeve. The special grouting sleeve comprises a grouting sleeve I, a grouting sleeve II and a thin pipe. The grouting sleeve I and the grouting sleeve II are respectively positioned in the two annular grooves, and the tubule is grouting material I solidified in a pipeline connecting the two annular grooves.
And the concrete short column is wrapped with a steel pipe II. The concrete short column is internally provided with a reinforcement cage formed by binding short column longitudinal reinforcements and short column stirrups.
And a plurality of lug plates are welded on the outer surface of the lower end of the outer wrapping steel pipe II. And a plurality of lug plates are welded on the outer surface of the upper end of the outer wrapping steel pipe I. And connecting the ear plates of the outer-covered steel pipe I and the outer-covered steel pipe II together through connecting steel plates. And a gap between the concrete short column and the pier bottom concrete column is provided with grouting material II. The grouting material II is poured through a through hole on the wall of the outer-covered steel pipe II.
Further, there are several overlapping concrete studs; the connection mode between the upper and lower two-stage concrete short columns is the same as the connection mode between the pier bottom concrete column and the concrete short column.
Further, the outer wrapping steel pipe I and the outer wrapping steel pipe II are formed by cold bending welding and are made of Q235 steel, Q345 steel, Q390 steel or Q420 steel.
Further, the longitudinal steel bars and stirrups of the concrete short columns and the pier bottom concrete columns adopt HRB335, HRB400, RRB400 or HRB500 steel bars.
Further, the section steel shear member is made of Q235 steel, Q345 steel, Q390 steel or Q420 steel.
The assembled hollow steel tube restrained reinforced concrete single-column high pier provided by the invention has the following advantages:
1. the hollow steel tube restrains the reinforced concrete round column, can fully utilize the material strength, has good fire resistance and earthquake resistance, good economic benefit and the like.
2. The hollow steel tube restrained reinforced concrete circular column can be used for bridges with larger section requirements, and compared with the hollow section column, the hollow steel tube restrained reinforced concrete circular column can save materials and improve bending resistance and torsion resistance.
3. The assembled structure has the advantages of high construction speed, high construction quality, improved construction environment, improved labor condition, resource and energy conservation, cost conservation and the like.
4. When the bridge pier is installed, the upper section and the lower section of high columns are fixed by adopting lug plates and are fixed by grouting through reserved holes; compared with the existing assembly type long column connection mode, the connection reliability between the upper column and the lower column can be effectively improved, the construction is more convenient, and the connection is more economical and attractive compared with the flange connection.
Drawings
Fig. 1 is a top view of an assembled hollow steel tube confined reinforced concrete single column high pier.
Fig. 2 is a front view (section 1-1 of fig. 1) of an assembled hollow steel tube confined reinforced concrete single column high pier.
Fig. 3 is a sectional view of an pier bottom concrete column (foundation embedded section steel) of an assembled hollow steel tube confined reinforced concrete single-column high pier.
Fig. 4 is a cross-sectional view of a pier bottom concrete column (foundation reserved foundation recess) of an assembled hollow steel tube confined reinforced concrete single-column high pier.
FIG. 5 is a cross-sectional view of an assembled hollow steel tube confined reinforced concrete single-column high pier 2-2.
FIG. 6 is a cross-sectional view of an assembled hollow steel tube confined reinforced concrete single-column high pier 3-3.
FIG. 7 is a schematic view of a split of a tailored grout sleeve;
fig. 8 is a schematic diagram showing the connection of pier bottom concrete column 1 and concrete short column 100 (or upper and lower concrete short columns 100).
In the figure: pier bottom concrete column 1, outsourcing steel pipe I2, outsourcing steel pipe II2, shaped steel shear member 3, vertical reinforcing steel 4, stirrup 5, purpose-made grout sleeve 6, grout I7, grout II70, basic recess 8, grout sleeve I9, grout sleeve II10, tubule 11, grout pipe 12, hole 13, basis part 14, otic placode 15.
Detailed Description
The present invention is further described below with reference to examples, but it should not be construed that the scope of the above subject matter of the present invention is limited to the following examples. Various substitutions and alterations are made according to the ordinary skill and familiar means of the art without departing from the technical spirit of the invention, and all such substitutions and alterations are intended to be included in the scope of the invention.
Hollow example 1:
the assembled hollow steel tube restrained reinforced concrete column high pier is characterized by comprising a pier bottom concrete column 1 and a concrete short column 100 which are prefabricated in a factory and a foundation part 14 for site construction;
the pier bottom concrete column 1 is internally provided with an annular reinforcement cage. And the concrete column 1 is externally wrapped with a steel pipe I2. The middle of the reinforcement cage is a hollow space with an open lower end and a closed upper end. The lower surface of the pier bottom concrete column 1 is provided with a special grouting sleeve 6.
Before the special grouting sleeve 6 is formed, two annular grooves are reserved on the lower surface of the concrete column 1 when the concrete column 1 is prefabricated. A plurality of pipelines are communicated between the two annular grooves.
The outer surface of the steel pipe I2 is provided with a plurality of holes 13. These holes 13 communicate the outer surface of the steel pipe I2 with an outer annular groove.
The foundation part 14 is poured by concrete, and a plurality of longitudinal steel bars 4 and section steel shear members 3 are embedded in the foundation part. The upper ends of the longitudinal bars 4 are exposed to the upper surface of the base portion 14 and are enclosed in two rings. The upper end of the section steel shear member 3 also exposes the upper surface of the base portion 14 and is centered between the two rings. In the hollow embodiment, the section steel shear member 3 is a cross-shaped steel member as shown.
At least one grouting pipe 12 is reserved in the base part 14.
When the concrete column 1 is hoisted above the base portion 14, the lower end of the steel pipe I2 is in contact with the upper surface of the base portion 14. There is a gap between the concrete column 1 and the upper surface of the base part 14. The upper ends of the longitudinal steel bars 4 extend into the two annular grooves. The upper end of the section steel shear member 3 extends into the hollow space. One end nozzle of the grouting pipe 12 is covered by the concrete column 1, and the other end nozzle is not covered by the concrete column 1.
Grouting material I7 is poured into the space between the concrete column 1 and the base part 14 through said holes 13 and/or grouting pipes 12. The grouting material I7 is filled into the two annular grooves to form the special grouting sleeve 6. The special grouting sleeve 6 comprises a grouting sleeve I9, a grouting sleeve II10 and a thin pipe 11. The grouting sleeve I9 and the grouting sleeve II10 are respectively positioned in the two annular grooves, and the thin pipe 11 is grouting material I7 solidified in a pipeline connecting the two annular grooves.
The concrete short column 100 is externally wrapped with a steel pipe II20. The concrete stud 100 has a reinforcement cage formed by binding the longitudinal reinforcement 40 and the stud stirrup 50.
And a plurality of lug plates 15 are welded on the outer surface of the lower end of the outer wrapping steel pipe II20. And a plurality of lug plates 15 are welded on the outer surface of the upper end of the outer wrapping steel pipe I2. The ear plates 15 of the outer steel tube I2 and the outer steel tube 20II are connected together by the connecting steel plates 13. The gap between the concrete short column 100 and the pier bottom concrete column 1 is provided with grouting material II70. The grouting material II70 is poured through a through hole on the wall of the outer-covered steel pipe II20. In the hollow embodiment, there are also several overlapping concrete studs 100; the connection mode between the upper and lower concrete columns 100 is the same as the connection mode between the pier bottom concrete column 1 and the concrete columns 100.
Hollow example 2:
the assembled hollow steel tube restrained reinforced concrete column high pier is characterized by comprising a pier bottom concrete column 1 and a concrete short column 100 which are prefabricated in a factory and a foundation part 14 for site construction;
the pier bottom concrete column 1 is internally provided with an annular reinforcement cage. And the concrete column 1 is externally wrapped with a steel pipe I2. The middle of the reinforcement cage is a hollow space with an open lower end and a closed upper end. The lower surface of the pier bottom concrete column 1 is provided with a special grouting sleeve 6.
Before the special grouting sleeve 6 is formed, two annular grooves are reserved on the lower surface of the concrete column 1 when the concrete column 1 is prefabricated. A plurality of pipelines are communicated between the two annular grooves.
The outer surface of the steel pipe I2 is provided with a plurality of holes 13. These holes 13 communicate the outer surface of the steel pipe I2 with an outer annular groove.
The foundation part 14 is poured by concrete, and a plurality of longitudinal steel bars 4 are embedded in the foundation part. The upper ends of the longitudinal bars 4 are exposed to the upper surface of the base portion 14 and are enclosed in two rings. The center of the two rings has a basic groove 8.
At least one grouting pipe 12 is reserved in the base part 14.
When the concrete column 1 is hoisted above the base portion 14, the lower end of the steel pipe I2 is in contact with the upper surface of the base portion 14. There is a gap between the concrete column 1 and the upper surface of the base part 14. The upper ends of the longitudinal steel bars 4 extend into the two annular grooves. The basic recess 8 is located below the hollow space. One end nozzle of the grouting pipe 12 is covered by the concrete column 1, and the other end nozzle is not covered by the concrete column 1.
Grouting material I7 is poured into the space between the concrete column 1 and the base part 14 through said holes 13 and/or grouting pipes 12. The grouting material I7 is filled into the two annular grooves to form the special grouting sleeve 6. Referring to fig. 7, the tailored grouting sleeve 6 includes a grouting sleeve I9, a grouting sleeve II10, and a tubule 11. The grouting sleeve I9 and the grouting sleeve II10 are respectively positioned in the two annular grooves, and the thin pipe 11 is grouting material I7 solidified in a pipeline connecting the two annular grooves.
The concrete short column 100 is externally wrapped with a steel pipe II20. The concrete stud 100 has a reinforcement cage formed by binding the longitudinal reinforcement 40 and the stud stirrup 50.
And a plurality of lug plates 15 are welded on the outer surface of the lower end of the outer wrapping steel pipe II20. And a plurality of lug plates 15 are welded on the outer surface of the upper end of the outer wrapping steel pipe I2. The ear plates 15 of the outer steel tube I2 and the outer steel tube II20 are connected together by the connecting steel plates 13. The gap between the concrete short column 100 and the pier bottom concrete column 1 is provided with grouting material II70. The grouting material II70 is poured through a through hole on the wall of the outer-covered steel pipe II20. In the hollow embodiment, there are also several overlapping concrete studs 100; the connection mode between the upper and lower concrete columns 100 is the same as the connection mode between the pier bottom concrete column 1 and the concrete columns 100.
Claims (5)
1. The assembled hollow steel tube restrained reinforced concrete column high pier is characterized by comprising a pier bottom concrete column (1) and a concrete short column (100) which are prefabricated in a factory and a foundation part (14) for site construction;
the pier bottom concrete column (1) is internally provided with an annular reinforcement cage; the concrete column (1) is externally wrapped with a steel pipe I (2); the middle of the reinforcement cage is a hollow space with an open lower end and a closed upper end; the lower surface of the pier bottom concrete column (1) is provided with a special grouting sleeve (6);
before the special grouting sleeve (6) is formed, two annular grooves are reserved on the lower surface of the concrete column (1) when the concrete column (1) is prefabricated; a plurality of pipelines are communicated between the two annular grooves;
the outer surface of the outer-covered steel pipe I (2) is provided with a plurality of holes (13); the holes (13) are communicated with the outer surface of the outer-covered steel pipe I (2) and an outer annular groove;
the foundation part (14) is poured by concrete, and a plurality of longitudinal steel bars (4) and profile steel shear members (3) are embedded in the foundation part; the upper ends of the longitudinal steel bars (4) are exposed out of the upper surface of the base part (14) and are enclosed into two circular rings; the upper end of the section steel shear member (3) is exposed out of the upper surface of the base part (14) and is positioned in the center of the two circular rings;
at least one grouting pipeline (12) is reserved in the foundation part (14);
when the concrete column (1) is hoisted above the foundation part (14), the lower end of the outer-covered steel pipe I (2) is contacted with the upper surface of the foundation part (14); -a gap is provided between the concrete column (1) and the upper surface of the base part (14); the upper ends of the longitudinal steel bars (4) extend into the two annular grooves; the upper end of the section steel shear member (3) extends into the hollow space; one end pipe orifice of the grouting pipeline (12) is covered by the concrete column (1), and the other end pipe orifice is not covered by the concrete column (1);
grouting material I (7) is filled into the space between the concrete column (1) and the foundation part (14) through the holes (13) and/or the grouting pipeline (12); filling the grouting material I (7) into the two annular grooves to form a special grouting sleeve (6); the special grouting sleeve (6) comprises a grouting sleeve I (9), a grouting sleeve II (10) and a thin pipe (11); the grouting sleeve I (9) and the grouting sleeve II (10) are respectively positioned in the two annular grooves, and the thin pipe (11) is a grouting material I (7) solidified in a pipeline connecting the two annular grooves;
the concrete short column (100) is wrapped with a steel tube II (20); the concrete short column (100) is internally provided with a reinforcement cage formed by binding short column longitudinal reinforcements (40) and short column stirrups (50);
a plurality of lug plates (15) are welded on the outer surface of the lower end of the outer-covered steel pipe II (20); the outer surface of the upper end of the outer wrapping steel pipe I (2) is also welded with a plurality of lug plates (15); the ear plates (15) of the outer-covered steel pipe I (2) and the outer-covered steel pipe II (20) are connected together through the connecting steel plate (16); the gap between the concrete short column (100) and the pier bottom concrete column (1) is provided with grouting material II (70); the grouting material II (70) is poured through a through hole on the wall of the outer-covered steel pipe II (20);
having a plurality of overlapping concrete studs (100); the connection mode between the upper and lower two-stage concrete short columns (100) is the same as the connection mode between the pier bottom concrete column (1) and the concrete short columns (100).
2. The fabricated hollow steel tube confined reinforced concrete column high pier of claim 1, wherein: the outer-covered steel pipe I (2) and the outer-covered steel pipe II (20) are formed by cold bending welding and are made of Q235 steel, Q345 steel, Q390 steel or Q420 steel.
3. The fabricated hollow steel tube confined reinforced concrete column high pier of claim 1, wherein: longitudinal steel bars and stirrups of the concrete short column (100) and the pier bottom concrete column (1) adopt HRB335, HRB400, RRB400 or HRB500 steel bars.
4. The fabricated hollow steel tube confined reinforced concrete column high pier of claim 1, wherein: the section steel shear member (3) is made of Q235 steel, Q345 steel, Q390 steel or Q420 steel.
5. The assembled hollow steel tube restrained reinforced concrete column high pier is characterized by comprising a pier bottom concrete column (1) and a concrete short column (100) which are prefabricated in a factory and a foundation part (14) for site construction;
the pier bottom concrete column (1) is internally provided with an annular reinforcement cage; the concrete column (1) is externally wrapped with a steel pipe I (2); the middle of the reinforcement cage is a hollow space with an open lower end and a closed upper end; the lower surface of the pier bottom concrete column (1) is provided with a special grouting sleeve (6);
before the special grouting sleeve (6) is formed, two annular grooves are reserved on the lower surface of the concrete column (1) when the concrete column (1) is prefabricated; a plurality of pipelines are communicated between the two annular grooves;
the outer surface of the outer-covered steel pipe I (2) is provided with a plurality of holes (13); the holes (13) are communicated with the outer surface of the outer-covered steel pipe I (2) and an outer annular groove;
the foundation part (14) is poured by concrete, and a plurality of longitudinal steel bars (4) are embedded in the foundation part; the upper ends of the longitudinal steel bars (4) are exposed out of the upper surface of the base part (14) and are enclosed into two circular rings; the centers of the two circular rings are provided with basic grooves (8);
at least one grouting pipeline (12) is reserved in the foundation part (14);
when the concrete column (1) is hoisted above the foundation part (14), the lower end of the outer-covered steel pipe I (2) is contacted with the upper surface of the foundation part (14); -a gap is provided between the concrete column (1) and the upper surface of the base part (14); the upper ends of the longitudinal steel bars (4) extend into the two annular grooves; the basic groove (8) is positioned below the hollow space; one end pipe orifice of the grouting pipeline (12) is covered by the concrete column (1), and the other end pipe orifice is not covered by the concrete column (1);
grouting material I (7) is filled into the space between the concrete column (1) and the foundation part (14) through the holes (13) and/or the grouting pipeline (12); filling the grouting material I (7) into the two annular grooves to form a special grouting sleeve (6); the special grouting sleeve (6) comprises a grouting sleeve I (9), a grouting sleeve II (10) and a thin pipe (11); the grouting sleeve I (9) and the grouting sleeve II (10) are respectively positioned in the two annular grooves, and the thin pipe (11) is a grouting material I (7) solidified in a pipeline connecting the two annular grooves;
the concrete short column (100) is wrapped with a steel tube II (20); the concrete short column (100) is internally provided with a reinforcement cage formed by binding short column longitudinal reinforcements (40) and short column stirrups (50);
a plurality of lug plates (15) are welded on the outer surface of the lower end of the outer-covered steel pipe II (20); the outer surface of the upper end of the outer wrapping steel pipe I (2) is also welded with a plurality of lug plates (15); the ear plates (15) of the outer-covered steel pipe I (2) and the outer-covered steel pipe II (20) are connected together through the connecting steel plate (16); the gap between the concrete short column (100) and the pier bottom concrete column (1) is provided with grouting material II (70); the grouting material II (70) is poured through a through hole on the wall of the outer-covered steel pipe II (20);
having a plurality of overlapping concrete studs (100); the connection mode between the upper and lower two-stage concrete short columns (100) is the same as the connection mode between the pier bottom concrete column (1) and the concrete short columns (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046790.2A CN108086134B (en) | 2016-11-23 | 2016-11-23 | Assembled hollow steel pipe constraint reinforced concrete column high pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046790.2A CN108086134B (en) | 2016-11-23 | 2016-11-23 | Assembled hollow steel pipe constraint reinforced concrete column high pier |
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| Publication Number | Publication Date |
|---|---|
| CN108086134A CN108086134A (en) | 2018-05-29 |
| CN108086134B true CN108086134B (en) | 2024-01-23 |
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| CN201611046790.2A Active CN108086134B (en) | 2016-11-23 | 2016-11-23 | Assembled hollow steel pipe constraint reinforced concrete column high pier |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978448B (en) * | 2018-08-15 | 2020-05-15 | 西安科技大学 | Construction method of anti-seismic bridge pier |
| CN108894100B (en) * | 2018-08-15 | 2020-05-19 | 西安科技大学 | Anti-seismic pier of rigid frame bridge and construction method thereof |
| CN108797322B (en) * | 2018-08-15 | 2020-01-21 | 西安科技大学 | Anti-seismic beam bridge pier |
| CN109457599B (en) * | 2018-11-29 | 2023-07-07 | 福州大学 | Splicing structure of hollow pier and bearing platform and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421223A (en) * | 2015-12-21 | 2016-03-23 | 上海市城市建设设计研究总院 | Prefabricated pier upright column, cushion cap spigot and insertion groove combined connection structure and splicing method |
| CN105803925A (en) * | 2016-03-17 | 2016-07-27 | 浙江大学 | Quick connection method for prefabricated steel pipe constraint type steel concrete pier columns and cover beam |
| CN205444475U (en) * | 2016-03-11 | 2016-08-10 | 中民筑友有限公司 | Prefab and basic connected node |
| CN106088348A (en) * | 2016-07-29 | 2016-11-09 | 初明进 | A kind of precast concrete method of attachment |
| CN206359881U (en) * | 2016-11-23 | 2017-07-28 | 重庆市中科大业建筑科技有限公司 | A kind of assembled hollow steel pipe constrains armored concrete pillar height pier |
-
2016
- 2016-11-23 CN CN201611046790.2A patent/CN108086134B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421223A (en) * | 2015-12-21 | 2016-03-23 | 上海市城市建设设计研究总院 | Prefabricated pier upright column, cushion cap spigot and insertion groove combined connection structure and splicing method |
| CN205444475U (en) * | 2016-03-11 | 2016-08-10 | 中民筑友有限公司 | Prefab and basic connected node |
| CN105803925A (en) * | 2016-03-17 | 2016-07-27 | 浙江大学 | Quick connection method for prefabricated steel pipe constraint type steel concrete pier columns and cover beam |
| CN106088348A (en) * | 2016-07-29 | 2016-11-09 | 初明进 | A kind of precast concrete method of attachment |
| CN206359881U (en) * | 2016-11-23 | 2017-07-28 | 重庆市中科大业建筑科技有限公司 | A kind of assembled hollow steel pipe constrains armored concrete pillar height pier |
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