CN110396920A - The equilateral three limbs composite column structure and its construction method of ultra-high performance concrete sleeve - Google Patents
The equilateral three limbs composite column structure and its construction method of ultra-high performance concrete sleeve Download PDFInfo
- Publication number
- CN110396920A CN110396920A CN201910779801.5A CN201910779801A CN110396920A CN 110396920 A CN110396920 A CN 110396920A CN 201910779801 A CN201910779801 A CN 201910779801A CN 110396920 A CN110396920 A CN 110396920A
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- China
- Prior art keywords
- ultra
- high performance
- performance concrete
- column
- reinforcing bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 67
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 37
- 239000004567 concrete Substances 0.000 claims abstract description 30
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims description 9
- 239000003351 stiffener Substances 0.000 claims description 8
- 230000015271 coagulation Effects 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004574 high-performance concrete Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- E01D2101/268—Composite concrete-metal
Abstract
The present invention relates to the equilateral three limbs composite column structures and its construction method of a kind of ultra-high performance concrete sleeve, column limb including three distributions in equilateral triangle and the reinforcing bar ultra-high performance concrete plate being connected between any two column limbs, column limb includes steel core concrete column and the ultra-high performance concrete sleeve for being set in steel core concrete column peripheral side, steel core concrete column includes H profile steel and column limb concrete, and column limb concrete is cast in the outside of H profile steel using ultra-high performance concrete sleeve as template；Reinforcing bar ultra-high performance concrete plate includes reinforcing bar and filling ultra-high performance concrete layer, and the both ends of reinforcing bar are welded and fixed with adjacent H profile steel respectively.The present invention is by using ultra-high performance concrete sleeve and reinforcing bar ultra-high performance concrete plate, not only increase the intensity in section, and when not changing section, significantly increase the rigidity in section, bearing capacity, corrosion resistance, the rigidity etc. of structure can be improved, the effect of high-strength light, extending structure service life are also acted as simultaneously.
Description
Technical field:
The present invention relates to the equilateral three limbs composite column structures and its construction method of a kind of ultra-high performance concrete sleeve.
Background technique:
The concrete that the equilateral three limbs column of armored concrete is filled out at present is largely from great, tensile strength is not high, early strength
It is low, rigidity is weak, frangible, corrosion-resistant general normal concrete, these disadvantages influence and limit equilateral three limb of armored concrete
Application of the column in large bridge.Thus, it is necessary to improve a kind of novel structure, can either lift structure bearing capacity, just
Degree and durability, and do not increase the area of feature cross-section, mitigate dead load.
Summary of the invention:
The present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., technical problem to be solved by the invention is to provide
A kind of equilateral three limbs composite column structure and its construction method of ultra-high performance concrete sleeve, it is structurally reasonable, easy to operate, it can
Bearing capacity, the corrosion resistance, rigidity of structure are improved, while also acting as the effect of high-strength light.
To achieve the goals above, the technical solution adopted by the present invention is that: a kind of ultra-high performance concrete sleeve it is equilateral
Three limb composite column structures, column limb including three distributions in equilateral triangle and the reinforcing bar being connected between any two column limbs are super
High performance concrete plate, the column limb include concrete column and the ultra-high performance concrete set for being set in concrete column peripheral side
Cylinder, the concrete column includes H profile steel and column limb concrete；The reinforcing bar ultra-high performance concrete plate includes that reinforcing bar and filling are super
High performance concrete layer, the both ends of the reinforcing bar are connected with adjacent H profile steel respectively.
Further, the column limb concrete and ultra-high performance concrete sleeve are circular cross-section.
Further, the junction of the H profile steel and reinforcing bar is provided with ribbed stiffener.
Further, the reinforcing bar is embedded in inside filling ultra-high performance concrete layer, the filling very-high performance coagulation
Soil layer is cast-in-place using penetrating through with ultra-high performance concrete sleeve, forms integral layer outside a ultra-high performance concrete.
Further, the reinforcing bar is in reticular structure.
Further, the reinforcing bar is welded and fixed with H profile steel.
Another technical solution of the invention is: a kind of equilateral three limbs composite column structure of ultra-high performance concrete sleeve
Construction method comprises the following steps:
Step S1: H profile steel and reinforcement welding are fixed, and make the steel skeleton of equilateral three limbs structure, the company of H profile steel and reinforcing bar
Connect place's setting ribbed stiffener；
Step S2: PVC template is first set up on the outside of H profile steel, plank sheathing is then set up on the outside of PVC template, maintains steel
Muscle is connected to H profile steel；
Step S3: production ultra-high performance concrete slurries are carried out according to the match ratio of mixing of steel fiber；
Step S4: ultra-high performance concrete slurries are poured between PVC template and plank sheathing, form ultra-high performance concrete set
Cylinder；
Step S5: when ultra-high performance concrete slurries initial set forms ultra-high performance concrete sleeve, to PVC template and plank sheathing
It is removed, then structure is conserved again；
Step S6: using ultra-high performance concrete sleeve as template, column limb concrete is poured.
Compared with prior art, the present invention has the effect that structure of the invention design rationally, by using very-high performance
Concrete sleeve and reinforcing bar ultra-high performance concrete plate, not only increase the intensity in section, and when not changing section,
Significantly increase the rigidity in section, also have bearing capacity, durability, corrosion resistance, from superior functions such as close property, while also acting as light
The high-strength effect of matter, extending structure service life.
Detailed description of the invention:
Fig. 1 is the horizontal cross-section schematic top plan view of the embodiment of the present invention；
Fig. 2 is the sectional view of Section A-A in Fig. 1.
In figure:
1- column limb；2-H fashioned iron；3- reinforcing bar ultra-high performance concrete plate；4- ribbed stiffener；11- concrete column；12- very-high performance is mixed
Solidifying soil suite cylinder；111- column limb concrete；112-PVC template；113- plank sheathing；31- reinforcing bar.
Specific embodiment:
In order to more clearly explain the present invention, the present invention will be further described with embodiment with reference to the accompanying drawing, it is clear that
Ground, draw figures listed below are only some specific embodiments of the present invention.
As shown in Fig. 1~2, a kind of equilateral three limbs composite column structure of ultra-high performance concrete sleeve of the present invention, including three
The column limb 1 of root distribution in equilateral triangle and the reinforcing bar ultra-high performance concrete plate 3 being connected between any two column limbs 1, institute
Stating column limb 1 includes concrete column 11 and the ultra-high performance concrete sleeve 12 for being set in 11 peripheral side of concrete column, the coagulation
Earth pillar 11 includes H profile steel 2 and column limb concrete 111, and column limb concrete 111 is poured with ultra-high performance concrete sleeve 12 for template
In the outside of H profile steel 2；The reinforcing bar ultra-high performance concrete plate 3 includes reinforcing bar 31 and fills ultra-high performance concrete layer, described
The both ends of reinforcing bar 31 are welded and fixed with adjacent H profile steel respectively.By using ultra-high performance concrete sleeve and reinforcing bar very-high performance
Concrete slab not only increases the intensity in section, and when not changing section, significantly increases the rigidity in section, can mention
Bearing capacity, corrosion resistance, rigidity of high structure etc., while the effect of high-strength light is also acted as, extending structure service life.
In the present embodiment, the column limb concrete 111 and ultra-high performance concrete sleeve 12 are circular cross-section.
In the present embodiment, the H profile steel 2 and the junction of reinforcing bar 31 are provided with ribbed stiffener 4；Junction is using ribbed stiffener
Since placement steel plateelement can be made to be in local stability state.
In the present embodiment, the reinforcing bar 31 is embedded in inside filling ultra-high performance concrete layer, the filling very-high performance
Concrete layer is cast-in-place using penetrating through with ultra-high performance concrete sleeve, forms integral layer outside a ultra-high performance concrete.
In the present embodiment, the reinforcing bar 31 is in reticular structure, specifically includes several transverse steels and several vertical reinforcements are handed over
Mistake distribution is formed.
In the present embodiment, the 111 commodity in use concrete of column limb concrete.
In the present embodiment, when construction, is comprised the following steps:
Step S1: H profile steel 2 and reinforcing bar 31 are welded and fixed, and make the steel skeleton of equilateral three limbs structure, H profile steel 2 and reinforcing bar
Ribbed stiffener 4 is arranged in 31 junction；
Step S2: PVC template 112 first is set up in the outside of H profile steel 2, then sets up plank sheathing in the outside of PVC template 112
113, maintain being connected to for reinforcing bar 31 and H profile steel 2；
Step S3: production ultra-high performance concrete slurries are carried out according to the match ratio of mixing of steel fiber；
Step S4: ultra-high performance concrete slurries are poured between PVC template 112 and plank sheathing 113, form very-high performance coagulation
Soil suite cylinder 12；
Step S5: when ultra-high performance concrete slurries initial set forms ultra-high performance concrete sleeve 12, to 112 He of PVC template
Plank sheathing 113 is removed, and is then conserved again to structure；
Step S6: being template with ultra-high performance concrete sleeve 12, pours column limb concrete 111, forms concrete column.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, is all covered by the present invention.
Claims (7)
1. a kind of equilateral three limbs composite column structure of ultra-high performance concrete sleeve, it is characterised in that: including three in equilateral three
The column limb of angular distribution and the reinforcing bar ultra-high performance concrete plate being connected between any two column limbs, the column limb includes coagulation
Earth pillar and the ultra-high performance concrete sleeve for being set in concrete column peripheral side, the concrete column include that H profile steel and column limb are mixed
Solidifying soil；The reinforcing bar ultra-high performance concrete plate includes reinforcing bar and filling ultra-high performance concrete layer, the both ends point of the reinforcing bar
It is not connected with adjacent H profile steel.
2. the equilateral three limbs composite column structure of ultra-high performance concrete sleeve according to claim 1, it is characterised in that: institute
Stating column limb concrete and ultra-high performance concrete sleeve is circular cross-section.
3. the equilateral three limbs composite column structure of ultra-high performance concrete sleeve according to claim 1, it is characterised in that: institute
The junction for stating H profile steel and reinforcing bar is provided with ribbed stiffener.
4. the equilateral three limbs composite column structure of ultra-high performance concrete sleeve according to claim 1, it is characterised in that: institute
It states reinforcing bar to be embedded in inside filling ultra-high performance concrete layer, the filling ultra-high performance concrete layer and ultra-high performance concrete
Sleeve is cast-in-place using penetrating through, and forms integral layer outside a ultra-high performance concrete.
5. the equilateral three limbs composite column structure of ultra-high performance concrete sleeve according to claim 1, it is characterised in that: institute
Reinforcing bar is stated in reticular structure.
6. the equilateral three limbs composite column structure of ultra-high performance concrete sleeve according to claim 1, it is characterised in that: institute
Reinforcing bar is stated to be welded and fixed with H profile steel.
7. a kind of construction method of the equilateral three limbs composite column structure of ultra-high performance concrete sleeve, it is characterised in that: including adopting
With the equilateral three limbs composite column structure of ultra-high performance concrete sleeve as described in any one of claims 1 to 6, include following step
It is rapid:
Step S1: H profile steel and reinforcement welding are fixed, and make the steel skeleton of equilateral three limbs structure, the company of H profile steel and reinforcing bar
Connect place's setting ribbed stiffener；
Step S2: PVC template is first set up on the outside of H profile steel, plank sheathing is then set up on the outside of PVC template, maintains steel
Muscle is connected to H profile steel；
Step S3: production ultra-high performance concrete slurries are carried out according to the match ratio of mixing of steel fiber；
Step S4: ultra-high performance concrete slurries are poured between PVC template and plank sheathing, form ultra-high performance concrete set
Cylinder；
Step S5: when ultra-high performance concrete slurries initial set forms ultra-high performance concrete sleeve, to PVC template and plank sheathing
It is removed, then structure is conserved again；
Step S6: using ultra-high performance concrete sleeve as template, column limb concrete is poured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779801.5A CN110396920A (en) | 2019-08-22 | 2019-08-22 | The equilateral three limbs composite column structure and its construction method of ultra-high performance concrete sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779801.5A CN110396920A (en) | 2019-08-22 | 2019-08-22 | The equilateral three limbs composite column structure and its construction method of ultra-high performance concrete sleeve |
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| Publication Number | Publication Date |
|---|---|
| CN110396920A true CN110396920A (en) | 2019-11-01 |
Family
ID=68329087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910779801.5A Pending CN110396920A (en) | 2019-08-22 | 2019-08-22 | The equilateral three limbs composite column structure and its construction method of ultra-high performance concrete sleeve |
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| Country | Link |
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| CN (1) | CN110396920A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982147A (en) * | 2021-04-30 | 2021-06-18 | 段文吉 | View bridge |
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| US20080083181A1 (en) * | 2003-07-18 | 2008-04-10 | Pedro Ospina | Integral composite-structure construction system |
| CN105239726A (en) * | 2015-09-01 | 2016-01-13 | 同济大学 | Prefabricated steel-reinforced concrete combined special-shaped energy-dissipating column |
| CN109629403A (en) * | 2019-02-22 | 2019-04-16 | 福州大学 | A kind of concrete support rod structure and preparation method thereof |
| CN109914598A (en) * | 2019-04-18 | 2019-06-21 | 西安建筑科技大学 | A kind of fast spelling formula H profile steel beams of concrete column connected node |
| CN110042749A (en) * | 2019-05-29 | 2019-07-23 | 福州大学 | UHPC steel tube concrete overlap-type lattice column structure and its construction method |
| CN210737345U (en) * | 2019-08-22 | 2020-06-12 | 福州大学 | Equilateral three-limb combined column structure of ultra-high performance concrete sleeve |
-
2019
- 2019-08-22 CN CN201910779801.5A patent/CN110396920A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080083181A1 (en) * | 2003-07-18 | 2008-04-10 | Pedro Ospina | Integral composite-structure construction system |
| CN105239726A (en) * | 2015-09-01 | 2016-01-13 | 同济大学 | Prefabricated steel-reinforced concrete combined special-shaped energy-dissipating column |
| CN109629403A (en) * | 2019-02-22 | 2019-04-16 | 福州大学 | A kind of concrete support rod structure and preparation method thereof |
| CN109914598A (en) * | 2019-04-18 | 2019-06-21 | 西安建筑科技大学 | A kind of fast spelling formula H profile steel beams of concrete column connected node |
| CN110042749A (en) * | 2019-05-29 | 2019-07-23 | 福州大学 | UHPC steel tube concrete overlap-type lattice column structure and its construction method |
| CN210737345U (en) * | 2019-08-22 | 2020-06-12 | 福州大学 | Equilateral three-limb combined column structure of ultra-high performance concrete sleeve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982147A (en) * | 2021-04-30 | 2021-06-18 | 段文吉 | View bridge |
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