CN104314232A - Seawater corrosion resistant composite material combination column adopting seawater and sea sand concrete - Google Patents
Seawater corrosion resistant composite material combination column adopting seawater and sea sand concrete Download PDFInfo
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- CN104314232A CN104314232A CN201410568708.7A CN201410568708A CN104314232A CN 104314232 A CN104314232 A CN 104314232A CN 201410568708 A CN201410568708 A CN 201410568708A CN 104314232 A CN104314232 A CN 104314232A
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Abstract
The invention discloses a seawater corrosion resistant composite material combination column adopting seawater and sea sand concrete. The seawater corrosion resistant composite material combination column comprises a composite material pipe and a composite material extrusion profile, wherein the composite material extrusion profile is embedded in the composite material pipe in an extended mode along the axial direction of the composite material pipe and is fixed through the seawater and sea sand concrete; the composite material extrusion profile comprises at least one branch plate with resisting moment. According to the seawater corrosion resistant composite material combination column adopting seawater and sea sand concrete disclosed by the embodiment of the invention, a phenomenon that the seawater corrosion resistant composite material combination column adopting seawater and sea sand concrete is instable during the construction stage can be avoided, the bending resistance of the combination column is greatly improved, the branch plate of the composite material extrusion profile is conveniently connected with other profiles, and force transfer is uniform. Moreover, the seawater corrosion resistant composite material combination column adopting seawater and sea sand concrete disclosed by the embodiment of the invention can directly use the seawater and sea sand concrete, is environmentally friendly and contributes to sustainable development.
Description
Technical field
The present invention relates to building structure technology field, particularly, relate to a kind of seawater corrosion resistance composite material combination post adopting seawater marine sand concrete.
Background technology
Composite material is generally made up of high-performance fiber and resin matrix, has very strong corrosion resistance, also has the advantages such as lightweight, high-strength, convenient formation simultaneously, has been widely used in now in Structural Engineering, has shown good mechanical property and durability.It can be jointly stressed by rational combining form with traditional material (concrete, steel, timber etc.), and one of typical apply is wherein exactly composite material pipe concrete column.
Composite material pipe concrete column is with prefabricated composite material tube for template, and in pipe, concreting forms composite material pipe concrete column.Composite material tube plays effect of contraction to inner concrete, greatly can improve concrete Strength and Dformation ability, and concrete also can prevent the buckling failure of composite material tube simultaneously.But the application of current composite material pipe concrete column in engineering is also more limited, mainly contain following three reasons:
(1) in work progress, the ratio of rigidity that composite material tube provides as resistance to side pressure template is separately more limited, and when component slenderness ratio is comparatively large or composite material tube wall is thinner, the deadweight of water-bearing concreae may make pillar overall collapse and produce excessive distortion.
(2) in current composite material pipe concrete column, main consideration utilizes composite material tube to concrete hoop constraint effect, in pipe, fiber mainly circumferentially or close to hoop is arranged, the bearing capacity and stiffness of Structure Under Axial Compression lower member is all very high, but under press-bending effect, composite material tube is not remarkable to concrete effect of contraction, and the bending performance of component is lower.
(3) connected mode in existing technology between composite material pipe concrete column and beam is less, and reason is that outside composite material tube is unfavorable for that node connects, the especially composite material tube of circular cross-section.
In addition, the engineering construction of current China consumes the fresh water of 10,000,000,000 tons of sandstone aggregates and 20 billion cubic meters every year, brings very large burden to land resources and environment.And occurring in nature seawater and seawater resources abundanter, but due to corrosion of steel bar can be caused and then cause structural deterioration, so, also cannot be directly used at present in concrete.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, the present invention proposes a kind of seawater corrosion resistance composite material combination post adopting seawater marine sand concrete, and the anti-bendability of the seawater corrosion resistance composite material combination post of described employing seawater marine sand concrete is strong, stable performance.
According to the seawater corrosion resistance composite material combination post of the employing seawater marine sand concrete of the embodiment of the present invention, comprising: composite material tube; Composite material drawing and extruding section bar, described composite material drawing and extruding section bar to be embedded in described composite material tube along the axis of described composite material tube and to be fixed by seawater marine sand concrete with extending, and described composite material drawing and extruding section bar has point support plate of at least one resist torque.
According to the seawater corrosion resistance composite material combination post of the employing seawater marine sand concrete of the embodiment of the present invention, composite material drawing and extruding section bar is set in composite material tube, can avoid adopting the seawater corrosion resistance composite material combination post of seawater marine sand concrete, in the construction stage, unstability occurs, substantially increase the bending-resistant performance of coupled column, a point support plate for composite material drawing and extruding section bar is convenient to be connected with other section bar, power transmission is even, be conducive to this component to apply together with high performance composite material drawing and extruding section bar beam, seawater marine sand concrete can be gathered materials on the spot, job mix seawater marine sand concrete can be poured into a mould, decrease freight volume and the cost of material, greatly reduce the carbon emission amount in building course, be conducive to sustainable development.
In addition, according to the seawater corrosion resistance composite material combination post of the employing seawater marine sand concrete of the embodiment of the present invention, following additional technical characteristic can also be had:
According to one embodiment of present invention, described composite material tube is prepared from by being wound around or pulling around technique, and in described composite material tube, fiber longitudinally and lateral arrangement, and the volume ratio of longitudinal fiber and transverse fiber is 1:2.
According to one embodiment of present invention, the cross section of described composite material tube is circular.
According to one embodiment of present invention, described composite material drawing and extruding section bar has point support plate described in two, and described in two, a point support plate is vertically connected.
According to one embodiment of present invention, described composite material drawing and extruding section bar has point support plate described in four, wherein described in two, a point support plate is connected to form right angle, and described in two other, a point support plate is connected to form right angle, and two right angles that described in two groups, point support plate is formed are towards opposing.
According to one embodiment of present invention, described composite material drawing and extruding section bar has point support plate described in four, point support plate across arrangement described in four.
According to one embodiment of present invention, described composite material drawing and extruding section bar has point support plate described in eight, wherein point support plate across arrangement described in four, described in four that described in other four, point support plate arranges with across respectively, the free end of point support plate is vertical is connected.
According to one embodiment of present invention, the cross section of described composite material tube is oval, and the cross section of described composite material drawing and extruding section bar is I-shaped, grooved, in-line or rectangle.
According to one embodiment of present invention, the cross section of described composite material tube is rectangle or round rectangle, and the cross section of described composite material drawing and extruding section bar is I-shaped, T-shaped or grooved.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to an embodiment of the invention;
Fig. 2 is the schematic cross-section of the seawater corrosion resistance composite material combination post of the employing seawater marine sand concrete according to an embodiment of the invention of Fig. 1;
Fig. 3 is the schematic cross-section of the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to an embodiment of the invention;
Fig. 4 is the schematic cross-section of the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to still a further embodiment;
Fig. 5 is the schematic cross-section of the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to still another embodiment of the invention.
Reference numeral:
Adopt the seawater corrosion resistance composite material combination post 100 of seawater marine sand concrete;
Composite material tube 10; Composite material drawing and extruding section bar 20; Divide support plate 21; Seawater marine sand concrete 30.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
First by reference to the accompanying drawings 1-Fig. 5 specifically describes the seawater corrosion resistance composite material combination post 100 according to the employing seawater marine sand concrete of the embodiment of the present invention below.
Seawater corrosion resistance composite material combination post 100 according to the employing seawater marine sand concrete of the embodiment of the present invention comprises composite material tube 10 and composite material drawing and extruding section bar 20.Specifically, composite material drawing and extruding section bar 20 to be embedded in composite material tube 10 along the axis of composite material tube 10 and to be fixed by seawater marine sand concrete 30 with extending, and composite material drawing and extruding section bar 20 has point support plate 21 of at least one resist torque.
In other words, the seawater corrosion resistance composite material combination post 100 of seawater marine sand concrete is adopted to form primarily of composite material tube 10 and composite material drawing and extruding section bar 20, particularly, composite material drawing and extruding section bar 20 has point support plate 21 of at least one resist torque, composite material drawing and extruding section bar 20 along the axis of composite material tube 10 to be located at extending in composite material tube 10 and with the spaced apart from inner walls of composite material tube 10, seawater marine sand concrete 30 can be directly used to pour into a mould to make composite material drawing and extruding section bar 20 be fixed in composite material tube 10 in composite material tube 10, in cavity between the composite material drawing and extruding section bar 20 that the concrete of namely not treated seawater and the configuration of extra large sand directly can be cast in composite material tube 10 and inside.
Thus, according to the seawater corrosion resistance composite material combination post 100 of the employing seawater marine sand concrete of the embodiment of the present invention, composite material drawing and extruding section bar 20 is set in composite material tube 10, can avoid component, in the construction stage, unstability occurs, substantially increase the bending-resistant performance of component, a point support plate 21 for composite material drawing and extruding section bar 20 is convenient to be connected with other section bar, power transmission is even, be conducive to this component to apply together with high performance composite material drawing and extruding section bar beam, seawater marine sand concrete 30 can be gathered materials on the spot, job mix seawater marine sand concrete 30 can be poured into a mould, decrease freight volume and the cost of material, greatly reduce the carbon emission amount in building course, be conducive to sustainable development.
According to one embodiment of present invention, composite material tube 10 is prepared from by being wound around or pulling around technique, and in composite material tube 10, fiber longitudinally and lateral arrangement, and the volume ratio of longitudinal fiber and transverse fiber is 1:2.
That is, composite material tube 10 adopts winding or novel pultrude process to make, and in composite material tube 10, fiber is main longitudinally arranges with hoop, and preferably, the volume ratio of the transverse fiber that longitudinal fiber and hoop are arranged is 1:2.Thus, in composite material tube 10, arrange a certain proportion of longitudinal fiber and transverse fiber, be conducive to adopting the seawater corrosion resistance composite material combination post 100 of seawater marine sand concrete to bear press-bending effect.
Be described in detail below by the seawater corrosion resistance composite material combination post 100 of multiple embodiment to employing seawater marine sand concrete according to the present invention.
Embodiment one
As shown in Figure 3, the cross section of composite material tube 10 is circular, and composite material drawing and extruding section bar 20 to be embedded in composite material tube 10 and fixing by seawater marine sand concrete 30 along the axis of composite material tube 10 with extending.
In an example of the embodiment of the present invention, composite material drawing and extruding section bar 20 has two points of support plates, 21, two point support plates 21 and is vertically connected.
That is, composite material drawing and extruding section bar 20 to be embedded in composite material tube 10 along the axis of composite material tube 10 and to be fixed by seawater marine sand concrete 30 with extending, composite material drawing and extruding section bar 20 has two points of support plates 21, each point of support plate 21 extends to form plate body along the axis of composite material tube 10, a point of support plate 21 along axially extended one end of composite material tube 10 and axially extended one end along composite material tube 10 of another point of support plate 21 is vertical is connected, the cross section of the seawater corrosion resistance composite material combination post 100 of employing seawater marine sand concrete is made to be first cross section as shown in Figure 3, wherein, two points of support plates 21 of composite material drawing and extruding section bar 20 can be integrally formed.
In the Still another example of the embodiment of the present invention, composite material drawing and extruding section bar 20 has four points of support plates 21, wherein two points of support plates 21 are connected to form right angle, and two other point of support plate 21 is connected to form right angle, and two right angles that two component support plates 21 are formed are towards opposing.
In other words, composite material drawing and extruding section bar 20 to be embedded in composite material tube 10 along the axis of composite material tube 10 and to be fixed by seawater marine sand concrete 30 with extending, composite material drawing and extruding section bar 20 comprises four points of support plates 21, each point of support plate 21 extends to form plate body along the axis of composite material tube 10, particularly, four points of support plates 21 of composite material drawing and extruding section bar 20 one group between two, the axially extended one end along composite material tube 10 of two points of support plates 21 often organized is orthogonal to be connected, two opposing settings in right angle that two component support plates 21 are formed, the cross section of the seawater corrosion resistance composite material combination post 100 of employing seawater marine sand concrete is made to be second cross section as shown in Figure 3.
In another example of the embodiment of the present invention, composite material drawing and extruding section bar 20 has 21, four point support plate 21 across arrangements of four points of support plates.
In other words, composite material drawing and extruding section bar 20 to be embedded in composite material tube 10 along the axis of composite material tube 10 and to be fixed by seawater marine sand concrete 30 with extending, composite material drawing and extruding section bar 20 has four points of support plates 21, each point of support plate 21 extends to form plate body along the axis of composite material tube 10, and axially extended one end along composite material tube 10 of four points of support plates 21 is orthogonal is connected to make the cross section of composite material drawing and extruding section bar 20 form cross.
In another example of the embodiment of the present invention, composite material drawing and extruding section bar 20 has eight points of support plates 21, wherein four points of support plate 21 across arrangements, and the free end of four points of support plates 21 that other four points of support plates 21 arrange with across is respectively vertical to be connected.
That is, composite material drawing and extruding section bar 20 comprises eight points of support plates 21, each point of support plate 21 extends to form plate body along the axis of composite material tube 10, wherein axially extended one end along composite material tube 10 of four points of support plates 21 is vertically connected to make its cross sectional shape for cross mutually, the other end of four points of support plates 21 that other four points of support plates 21 arrange with across is respectively vertical to be connected, the cross section of eight points of support plates 21 of composite material drawing and extruding section bar 20 forms the matrix pattern at scarce four angles, eight points of support plates 21 of composite material drawing and extruding section bar 20 can be integrally formed the stability ensureing whole component.
Thus, in work progress, the composite material drawing and extruding section bar 20 be embedded in composite material tube 10 can as resistance to side pressure template together with composite material tube 10, point support plate 21 combination for the multiple section of composite material drawing and extruding section bar 20 provides enough rigidity of section, can avoid adopting the seawater corrosion resistance composite material combination post 100 of seawater marine sand concrete, in the construction stage, overall collapse occurs, moreover, under press-bending effect, embedded composite material drawing and extruding section bar 20 can increase substantially the stress performance of the seawater corrosion resistance composite material combination post 100 adopting seawater marine sand concrete as stiff skeleton.
Embodiment two
As shown in Figure 4, the cross section of composite material tube 10 is oval, and the cross section of composite material drawing and extruding section bar 20 is I-shaped, grooved, in-line or rectangle.
That is, composite material drawing and extruding section bar 20 to be embedded in composite material tube 10 along the axis of composite material tube 10 and to be fixed by seawater marine sand concrete 30 with extending, wherein, composite material drawing and extruding section bar 20 has point support plate 21 of resist torque, and point support plate 21 extends to form plate body along the axis of composite material tube 10.Particularly, the cross section of composite material drawing and extruding section bar 20 can become in-line, a point support plate 21 for composite material drawing and extruding section bar 20 also can comprise three, the cross section of three points of support plates 21 becomes I-shaped, grooved arrangement, a point support plate 21 for composite material drawing and extruding section bar 20 can also comprise four, and the cross section of four points of support plates 21 becomes square shape arrangement.
Embodiment three
The cross section of composite material tube 10 is rectangle or round rectangle, and the cross section of composite material drawing and extruding section bar 20 is I-shaped, T-shaped or grooved.In other words, the cross section of the seawater corrosion resistance composite material combination post 100 of employing seawater marine sand concrete can be cross section as shown in Figure 5, namely the cross section of composite material tube 10 is rectangle or round rectangle, composite material drawing and extruding section bar 20 has point support plate 21 of resist torque, support plate 21 is divided to extend to form plate body along the axis of composite material tube 10, the cross section of composite material drawing and extruding section bar 20 can become I-shaped, T-shaped or grooved arrangement, also can become I-shaped, the assembled arrangement of T-shaped or grooved.
First composite material drawing and extruding section bar 20 and composite material tube 10 are arranged on the position of design code during construction, keep axis vertical between the two, when composite material tube 10 and composite material drawing and extruding section bar 20 are when vertically all needing spreading, the seam of composite material drawing and extruding section bar 20 and composite material tube 10 should be avoided to be in same plane, to ensure construction quality.
It should be noted that, composite material drawing and extruding section bar 20 to be embedded in composite material tube 10 and to be fixed by seawater marine sand concrete 30, wherein, composite material drawing and extruding section bar 20 is mainly used in resist torque effect, its cross sectional shape can be selected according to requirement of engineering, and the cross sectional shape of composite material drawing and extruding section bar 20 is not limited to I-shaped, flute profile, T-shaped, cross, in-line, matrix pattern, circular or square, and composite material tube 10 is mainly used in constraint seawater marine sand concrete 30 to improve its Compressive Bearing Capacity and ductility, can according to architectural appearance, using function, the requirements such as required bearing capacity and stiffness, select the composite material tube 10 of suitable cross-section.
Because cross section is that the effect of contraction of composite material tube 10 pairs of seawater marine sand concretes 30 of circle is the strongest, preferably, composite material tube 10 according to the seawater corrosion resistance composite material combination post 100 of the employing seawater marine sand concrete of the embodiment of the present invention can adopt circular cross-section, also can select any one or other in ellipse, rectangle and circle angular moment shape according to requirement of engineering.
According to the seawater corrosion resistance composite material combination post 100 of the employing seawater marine sand concrete of the embodiment of the present invention other form and operation be all known for those of ordinary skills, be not described in detail here.
In the description of this manual, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (9)
1. adopt a seawater corrosion resistance composite material combination post for seawater marine sand concrete, it is characterized in that, comprising:
Composite material tube;
Composite material drawing and extruding section bar, described composite material drawing and extruding section bar to be embedded in described composite material tube along the axis of described composite material tube and to be fixed by seawater marine sand concrete with extending, and described composite material drawing and extruding section bar has point support plate of at least one resist torque.
2. the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to claim 1, it is characterized in that, described composite material tube is prepared from by being wound around or pulling around technique, in described composite material tube, fiber longitudinally and lateral arrangement, and the volume ratio of longitudinal fiber and transverse fiber is 1:2.
3. the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to claim 1, is characterized in that, the cross section of described composite material tube is circular.
4. the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to claim 3, is characterized in that, described composite material drawing and extruding section bar has point support plate described in two, and described in two, a point support plate is vertically connected.
5. the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to claim 3, it is characterized in that, described composite material drawing and extruding section bar has point support plate described in four, wherein described in two, a point support plate is connected to form right angle, described in two other, a point support plate is connected to form right angle, and two right angles that described in two groups, point support plate is formed are towards opposing.
6. the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to claim 3, is characterized in that, described composite material drawing and extruding section bar has point support plate described in four, point support plate across arrangement described in four.
7. the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to claim 3, it is characterized in that, described composite material drawing and extruding section bar has point support plate described in eight, wherein point support plate across arrangement described in four, described in four that described in other four, point support plate arranges with across respectively, the free end of point support plate is vertical is connected.
8. the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to claim 3, it is characterized in that, the cross section of described composite material tube is oval, and the cross section of described composite material drawing and extruding section bar is I-shaped, grooved, in-line or rectangle.
9. the seawater corrosion resistance composite material combination post of employing seawater marine sand concrete according to claim 3, it is characterized in that, the cross section of described composite material tube is rectangle or round rectangle, and the cross section of described composite material drawing and extruding section bar is I-shaped, T-shaped or grooved.
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| CN110056130A (en) * | 2019-04-16 | 2019-07-26 | 武汉大学 | FRP pipe profile sea sand fast hardening concrete coupled column |
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| Publication number | Publication date |
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| CN104314232B (en) | 2018-11-09 |
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