CN207727844U - A kind of steel core concrete column of high tensile steel wire mesh sheet enhancing - Google Patents
A kind of steel core concrete column of high tensile steel wire mesh sheet enhancing Download PDFInfo
- Publication number
- CN207727844U CN207727844U CN201721570245.3U CN201721570245U CN207727844U CN 207727844 U CN207727844 U CN 207727844U CN 201721570245 U CN201721570245 U CN 201721570245U CN 207727844 U CN207727844 U CN 207727844U
- Authority
- CN
- China
- Prior art keywords
- wire mesh
- high tensile
- mesh sheet
- steel wire
- tensile steel
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of steel core concrete columns of high tensile steel wire mesh sheet enhancing, including steel pipe (1), the inside of the steel pipe (1) is filled with concrete solid (2), it is distributed with several high tensile steel wire mesh sheet (3) and several longitudinal cableways (4) in the concrete solid (2), the high tensile steel wire mesh sheet (3) and the longitudinal direction cableway (4) intersect setting.The longitudinal equidistant binding of longitudinal direction cableway (4) is on longitudinal cableway (4), the steel pipe (1) is round or rectangle, and the high tensile steel wire mesh sheet (3) is round high tensile steel wire mesh sheet or rectangle high tensile steel wire mesh sheet.The utility model can effectively inhibit lateral deformation of the concrete solid in pressurized process by the bonding interlocking with concrete using high tensile steel wire mesh sheet, concrete solid partial pressing bearing capacity is improved, to achieve the purpose that improve concrete filled steel tube entirety capacity under axial.
Description
Technical field
The utility model is related to the building element in building structure, more particularly to a kind of steel pipe of high tensile steel wire mesh sheet enhancing
Concrete column.
Background technology
With the prosperity and development of China's building trade, the height of building structure is continuously increased, thus required common steel tube
The sectional dimension and thickness of steel pipe of concrete column are increasing, and the strength grade of concrete and steel is also higher and higher.Although increasing
The traditional approach such as sectional dimension, the strength grade for increasing thickness of steel pipe and raising material can improve common steel tube concrete column
Bearing capacity, but new problem is also proposed to its practical application simultaneously：
1, the increase of sectional dimension can lead to the increase of dead load, to increase the heavy burden of basic component, lead to base
Plinth difficult design and cost improve；
2, the increase of volume of concrete improves the performance requirement to pumpcrete machine, influences pump rate to shadow
Ring construction progress；
3, more stringent requirements are proposed for performance and welding quality of the increase of thickness of steel pipe to guarantee thickness direction,
Increase construction cost；
4, the raising of concrete and steel strength increases the manufacture difficulty of processing of material, while to the stabilization of material property
Property proposes new challenge.When the intensity of concrete improves, Brittleness will be apparent from, and ductility is deteriorated, and is pouring
Building the contraction distortion in hardening process also will further increase, and not only will produce influence to concrete bearing capacity itself, also will
Influence the stability that concrete is contacted with steel pipe.When the intensity of steel improves to a certain extent, its same brittleness significantly carries
Height, ductility are deteriorated, and in its practical engineering application, there is great security risks.
Based on above-mentioned 4 points, seek a kind of not increasing steel core concrete column scantling and do not improving the feelings of the strength of materials
The method that its Compressive Bearing Capacity is promoted under condition becomes the direction that many structure correlation practitioners endeavour.
Utility model content
The purpose of this utility model is that not increasing steel core concrete column scantling and not improving the feelings of the strength of materials
The technical method of its Compressive Bearing Capacity is promoted under condition, is based on this, it is proposed that a kind of concrete filled steel tube of high tensile steel wire mesh sheet enhancing
Column.
Technical solution used by the utility model：A kind of steel core concrete column of high tensile steel wire mesh sheet enhancing, including steel
It manages (1), the inside of the steel pipe (1) is filled with concrete solid (2), is distributed in the concrete solid (2) several high-strength
Steel fabric sheet (3) and several longitudinal cableways (4), the high tensile steel wire mesh sheet (3) and longitudinal cableway (4) are mutual
It is arranged in a crossed manner.
Preferably, the longitudinal equidistant binding of longitudinal cableway (4) is on longitudinal cableway (4).
Preferably, the steel pipe (1) is round or rectangle.
Preferably, the high tensile steel wire mesh sheet (3) is round high tensile steel wire mesh sheet or rectangle high tensile steel wire mesh sheet.
Preferably, gap is equipped between the steel pipe (1) and the high tensile steel wire mesh sheet (3).
Preferably, the quantity of longitudinal cableway (4) is four.
Preferably, the high tensile steel wire mesh sheet (3) is bound by the elimination compressor wire with spiral ribs or indentation.
Preferably, when the steel pipe (1) is round, the high tensile steel wire mesh sheet (3) is round high tensile steel wire mesh sheet.
Preferably, when the steel pipe (1) is rectangle, the high tensile steel wire mesh sheet (3) is rectangle high tensile steel wire mesh sheet.
Compared with prior art, the utility model has the beneficial effects that：(1) the utility model is different from conventional steel coagulation
The enhancing of steel pipe or stirrup to concrete solid confined effect in earth pillar, the utilized high tensile steel wire mesh sheet of the utility model can lead to
It crosses and effectively inhibits lateral deformation of the concrete solid in pressurized process with the bonding interlocking of concrete, improve concrete
Entity partial pressing bearing capacity, to achieve the purpose that improve concrete filled steel tube entirety capacity under axial.(2) the utility model exists
Neither increase the thickness of column cross-section size and steel pipe, and be not necessarily in the case of improving the strength of materials, by matching to core concrete
Transverse steel wire mesh sheet is set to improve the Compressive Bearing Capacity of steel core concrete column, effectively avoids the design of common steel tube concrete column
It is middle to improve the limitation of column compression strength by sectional dimension, steel pipe thickness and the strength of materials, it can not only effectively save
Project cost, and in terms of the safety of structure, also there is better guarantee.(3) common steel tube concrete column axle center by
In the case of pressure, core concrete will generate vertical and transverse strain simultaneously, and since the cuff of steel pipe acts on, steel core concrete column is gathered around
There are larger Compressive Bearing Capacity, but further increasing with pressure, the transverse strain of core concrete to be continuously increased, steel pipe
Transverse pressure also increases therewith, and final steel pipe is surrendered, this also means that steel core concrete column reaches the bearing capacity limit.In steel
Lateral high tensile reinforcement mesh sheet is set in pipe concrete column, it is therefore an objective to be inhibited in steel core concrete column using the tensile property of reinforcing bar
The lateral deformation of core concrete reduces steel tube place by lateral pressure, expands steel pipe working stress section, mixed to improve steel pipe
The Compressive Bearing Capacity of solidifying earth pillar.The Compressive Bearing Capacity of the steel core concrete column of high tensile steel wire mesh sheet enhancing is apparently higher than equal conditions
Common steel tube concrete column.(4) easy to operate during the utility model practice of construction, it is highly practical.(5) the utility model
Load-bearing pillar is can be used as, all kinds of high-rise, super high rise structures are widely used in.
Description of the drawings
The cross-sectional view that Fig. 1 is the utility model high tensile steel wire mesh sheet (3) when being round high tensile steel wire mesh sheet；
Fig. 2 is that the utility model high tensile steel wire mesh sheet (3) is rectangle high tensile steel wire mesh sheet cross-sectional view.
Fig. 3 is under the concrete-filled circular steel tube column and equal conditions of the enhancing of 1 high tensile steel wire mesh sheet of the utility model structure example
Common steel tube concrete column concentrated force and displacement curve figure.
Fig. 4 is the rectangular steel-tube concrete column and equal conditions of 2 high tensile steel wire mesh sheet of the utility model structure example enhancing
Lower common steel tube concrete column concentrated force and displacement curve figure.
Specific implementation mode
The technical solution of the utility model is further illustrated with reference to specific embodiment.
As shown in Figs. 1-2, a kind of steel core concrete column of high tensile steel wire mesh sheet enhancing, including steel pipe (1), the steel pipe
(1) inside is filled with concrete solid (2), several high tensile steel wire mesh sheet (3) are distributed in the concrete solid (2) and if
Dry longitudinal direction cableway (4), the high tensile steel wire mesh sheet (3) and longitudinal cableway (4) intersect setting.
In the specific technical solution of the utility model, the quantity of the longitudinal direction cableway (4) is four, the longitudinal direction
The longitudinal equidistant binding of cableway (4) is placed on coagulation on longitudinal cableway (4) in steel pipe (1) center
In native entity (2), concrete solid (2) is a cylinder, is filled in rectangle or round steel pipe (1).The steel pipe (1) is circle
Or rectangle, the high tensile steel wire mesh sheet (3) are round high tensile steel wire mesh sheet or rectangle high tensile steel wire mesh sheet, the high tensile steel wire
Mesh sheet (3) is bound by the elimination compressor wire with spiral ribs or indentation.The steel pipe (1) and the high tensile steel wire mesh sheet
(3) gap is equipped between.When the steel pipe (1) is round, the high tensile steel wire mesh sheet (3) is round high tensile steel wire mesh sheet, institute
State steel pipe (1) be rectangle when, the high tensile steel wire mesh sheet (3) be rectangle high tensile steel wire mesh sheet；The rectangle high-strength steel mesh,
Vertically and horizontally divided two layers by isometric steel wire and is equidistantly bound, the circle high-strength steel mesh is vertically and horizontally divided two layers by a circle etc.
Steel wire away from arrangement is bound.
Specification, the strength grade of steel pipe (1) is needed to be not higher than Q345；The strength grade of concrete solid (2) is not
Higher than C60；High tensile steel wire mesh sheet (3) strength standard value is not less than 1570N/mm2, high tensile steel wire mesh sheet (3) outer edge and steel pipe
Inner wall reserves the gaps 20mm, and clear spacing is not less than 30mm in high tensile steel wire mesh sheet (3) plane；Longitudinal cableway (4) is common
Hot-rolled reinforced bar, strength grade are not higher than HRB 335.
The utility model is according to the analysis to steel core concrete column axial compression principle, built in the steel core concrete column
High tensile steel wire mesh sheet, effect can effectively inhibit coagulation similar to the transverse steel net in bridge pier bearing pad or pile foundation support table
Transversely deforming when soil is pressurized improves concrete partial pressing bearing capacity, while slowing down the side from concrete that steel pipe is subject to
To pressure, expand the stress operation interval of steel pipe, to improve the Compressive Bearing Capacity of steel core concrete column.
Embodiment 1
The cross section of the steel core concrete column of high tensile steel wire mesh sheet enhancing provided in this embodiment is as shown in Figure 1, round cut
The steel core concrete column of face high tensile steel wire mesh sheet enhancing include round steel pipe 1, concrete solid 2, round high tensile steel wire mesh sheet 3,
Longitudinal cableway 4；Several longitudinal equidistant bindings of circle high tensile steel wire mesh sheet 3 are on 4 longitudinal cableways, and in steel pipe 1
Center is placed in concrete solid 2, and concrete solid 2 is a cylinder, is filled in round steel pipe 1.
The strength grade of the steel core concrete column of high tensile steel wire mesh sheet enhancing, steel used in steel pipe 1 is Q345,
Outer diameter of steel pipes is 351mm, thickness 7mm, pillar height 800mm；The strength grade of concrete is C40；High tensile steel wire mesh sheet 3 is by band spiral shell
The elimination compressor wire of rotation rib is bound, and strength standard value is 1570 N/mm2,3 outer edge of steel fabric sheet and steel pipe inner wall
The gaps 20mm are reserved, clear spacing is 50 mm, longitudinal pitch 100mm in steel wire plane；Cableway 4 is common hot-rolled reinforced bar,
Strength grade is HRB 335, a diameter of 8mm.
The construction method of the concrete filled steel tube of above-mentioned built-in high-strength steel mesh enhancing, includes the following steps：
The processing of steel pipe is completed in factory；
At the construction field (site), steel pipe is fixed in the corresponding position of building structure；
Steel fabric sheet has been bound as requested and has equidistantly been fixed according to 100mm by four bearing rods, it is solid by lifting
Determine to the center of steel pipe；
Commerical ready-mixed concrete is poured, forms the steel core concrete column of high tensile steel wire mesh sheet enhancing after molding.
It is determined by finite element analysis, the Compressive Bearing Capacity of the steel core concrete column of high-strength steel mesh enhancing is
5610kN, and it is 4940kN, strength enhancing to have the common steel tube concrete column capacity under axial of identical size with it
11.36.%.
Embodiment 2
The cross section of the steel core concrete column of high-strength steel mesh enhancing provided in this embodiment is as shown in Fig. 2, rectangular section
The steel core concrete column of high tensile steel wire mesh sheet enhancing includes rectangular steel pipe 1, concrete solid 2, rectangle high tensile steel wire mesh sheet 3, indulges
To cableway 4；The longitudinal equidistant binding of several rectangle high tensile steel wire mesh sheet 3 is on 4 longitudinal cableways 4, and in steel pipe 1
Center is placed in concrete solid 2, and concrete solid 2 is a cuboid, is filled in rectangular steel pipe 1.
The strength grade of the steel core concrete column of high tensile steel wire mesh sheet enhancing, steel used in steel pipe 1 is Q345,
It is 350*350mm, thickness 7mm, pillar height 800mm outside steel pipe；The strength grade of concrete 2 is C40；High tensile steel wire mesh sheet 3
It is bound by the elimination compressor wire with spiral ribs, strength standard value 1570N/mm2, steel fabric sheet outer edge and steel
Inside pipe wall reserves the gaps 20mm, and clear spacing is 50mm, longitudinal pitch 100mm in steel wire plane；Cableway 4 is common hot rolling
Reinforcing bar, strength grade are HRB 335, a diameter of 8mm.
The construction method of the concrete filled steel tube of above-mentioned rectangle high-strength steel mesh enhancing is identical as example 1.
It is determined by finite element analysis, the ultimate bearing capacity of the steel core concrete column of high-strength steel mesh enhancing is
7150kN, and it is 6410 kN, strength enhancing to have the common steel tube concrete ultimate axial compressive strength of identical size with it
11.15%.
For those skilled in the art, technical solution that can be as described above and design are made other each
Kind is corresponding to be changed and deforms, and all these change and deform the guarantor that should all belong to the utility model claims
Within the scope of shield.
Claims (9)
1. a kind of steel core concrete column of high tensile steel wire mesh sheet enhancing, it is characterised in that：Including steel pipe (1), the steel pipe (1)
Inside is filled with concrete solid (2), and several high tensile steel wire mesh sheet (3) are distributed in the concrete solid (2) and several indulge
To cableway (4), the high tensile steel wire mesh sheet (3) and longitudinal cableway (4) intersect setting.
2. a kind of steel core concrete column of high tensile steel wire mesh sheet enhancing according to claim 1, it is characterised in that：It is described vertical
To the longitudinal equidistant binding of cableway (4) on longitudinal cableway (4).
3. a kind of steel core concrete column of high tensile steel wire mesh sheet enhancing according to claim 1, it is characterised in that：The steel
It is round or rectangle to manage (1).
4. a kind of steel core concrete column of high tensile steel wire mesh sheet enhancing according to claim 1, it is characterised in that：The height
Strong steel fabric sheet (3) is round high tensile steel wire mesh sheet or rectangle high tensile steel wire mesh sheet.
5. a kind of steel core concrete column of high tensile steel wire mesh sheet enhancing according to claim 1, it is characterised in that：The steel
It manages and is equipped with gap between (1) and the high tensile steel wire mesh sheet (3).
6. a kind of steel core concrete column of high tensile steel wire mesh sheet enhancing according to claim 1, it is characterised in that：It is described vertical
It it is four to the quantity of cableway (4).
7. a kind of steel core concrete column of high tensile steel wire mesh sheet enhancing according to claim 1, it is characterised in that：The height
Strong steel fabric sheet (3) is bound by the elimination compressor wire with spiral ribs or indentation.
8. a kind of steel core concrete column of high tensile steel wire mesh sheet enhancing according to claim 1, it is characterised in that：The steel
When pipe (1) is round, the high tensile steel wire mesh sheet (3) is round high tensile steel wire mesh sheet.
9. a kind of steel core concrete column of high tensile steel wire mesh sheet enhancing according to claim 1, it is characterised in that：The steel
When pipe (1) is rectangle, the high tensile steel wire mesh sheet (3) is rectangle high tensile steel wire mesh sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570245.3U CN207727844U (en) | 2017-11-22 | 2017-11-22 | A kind of steel core concrete column of high tensile steel wire mesh sheet enhancing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570245.3U CN207727844U (en) | 2017-11-22 | 2017-11-22 | A kind of steel core concrete column of high tensile steel wire mesh sheet enhancing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207727844U true CN207727844U (en) | 2018-08-14 |
Family
ID=63088302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721570245.3U Active CN207727844U (en) | 2017-11-22 | 2017-11-22 | A kind of steel core concrete column of high tensile steel wire mesh sheet enhancing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207727844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961033A (en) * | 2022-05-25 | 2022-08-30 | 广州大学 | Steel pipe concrete frame combination shear wall |
-
2017
- 2017-11-22 CN CN201721570245.3U patent/CN207727844U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961033A (en) * | 2022-05-25 | 2022-08-30 | 广州大学 | Steel pipe concrete frame combination shear wall |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104963415B (en) | A kind of round steel pipe binding type steel concrete column and steel beam joint structure | |
| CN102071747A (en) | Joint of square steel tube concrete column and reinforced concrete floor and production method thereof | |
| CN106284844A (en) | A kind of concrete-filled double skin steel tube superposed column and preparation method thereof | |
| CN205894488U (en) | Double -deck stirrup restraint high -strength concrete composite columns | |
| CN207727844U (en) | A kind of steel core concrete column of high tensile steel wire mesh sheet enhancing | |
| CN208815772U (en) | A kind of prompt about column with cross ribbed stiffener | |
| CN103334427A (en) | Irregularly-shaped prefabricated high-strength concrete thin-wall steel pipe pile (TSC) | |
| CN106930436A (en) | A kind of reinforced concrete shear wall of built-in prestress steel diagonal brace | |
| CN204715540U (en) | A kind of round steel pipe binding type steel concrete column and steel beam joint structure | |
| CN204715539U (en) | A kind of round steel pipe binding type steel concrete column and reinforced concrete beam node structure | |
| CN105239724B (en) | A kind of huge concrete filled steel rectangular tubes post | |
| Chen et al. | Experimental study and mechanism analysis of concrete-filled square steel tubular columns reinforced by rhombic stirrups under axial compression | |
| CN204849737U (en) | A stake of pre -buried formula combination stand for foundation ditch | |
| CN208310001U (en) | A kind of built-in lattice stem concrete-filled steel square tubular column | |
| CN105040828B (en) | A kind of round steel pipe binding type steel concrete column and steel beam joint structure | |
| CN105937266A (en) | Structure of reinforced circular steel tube confined concrete column-beam joint | |
| CN106639347A (en) | Two-way prestressing semicircular steel plate online flawless stabilizing concrete cylinder method | |
| CN203347018U (en) | T-shaped-end-head pre-buried rebar | |
| CN108301560A (en) | A kind of steel core concrete column and its construction method of built-in high-strength angle steel | |
| KR101075273B1 (en) | Construction Method of Centrifugally Concrete Filled Hollow Core Tube Column with Pre-reinforced Double Skin Panel Zone | |
| CN204715537U (en) | A kind of round steel pipe binding type steel concrete column and reinforced concrete beam node structure | |
| CN208280650U (en) | A kind of concrete column that steel pipe is reinforced | |
| CN209620405U (en) | Steel plate-ultra high strength concrete composite column structure | |
| CN107299721A (en) | A kind of precast concrete open tubular column node connecting structure and its construction method | |
| CN207193949U (en) | A kind of pile for prestressed pipe of convenient construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |