CN106522470A - Injection molded steel pipe and sea sand regenerated concrete member - Google Patents
Injection molded steel pipe and sea sand regenerated concrete member Download PDFInfo
- Publication number
- CN106522470A CN106522470A CN201611066460.XA CN201611066460A CN106522470A CN 106522470 A CN106522470 A CN 106522470A CN 201611066460 A CN201611066460 A CN 201611066460A CN 106522470 A CN106522470 A CN 106522470A
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- steel pipe
- sea sand
- injection molded
- molded steel
- regeneration concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The invention relates to an injection molded steel pipe and sea sand regenerated concrete column. The injection molded steel pipe and sea sand regenerated concrete column comprises an injection molded steel pipe, the injection molded steel pipe is filled with sea sand regenerated concrete, and end caps are arranged at two ends of the injection molded steel pipe. The injection molded steel pipe comprises a steel pipe and a plastic layer, and the plastic layer is arranged on the inner wall of the steel pipe. The internal surface of the injection molded steel pipe has good elastoplasticity, strength and anticorrosion performance. Sea sands are directly applied to the regenerated concrete in the injection molded steel tube without processing the sea sands, the injection molded steel pipe is perfused with the sea sand regenerated concrete to form the injection molded steel pipe and sea sand regenerated concrete column, and two ends of the injection molded steel pipe are sealed by seal covers with plastic gaskets. The injection molded steel pipe provides confining stress for the regenerated concrete to realize close combination of the sea sand regenerated concret; and additionally, the anticorrosion layer in the injection molded steel pipe has good elastoplasticity and strength, and the flexural and compressive strength of the injection molded steel pipe is 3.5 times that of a common steel pipe, the anticorrosive layer plays a role in anticorrosion and isolation, the injection molded steel pipe and the regenerated concrete are closely combined, and the column has good function effects.
Description
Technical field
The present invention relates to a kind of injection steel pipe sea sand recycled concrete component, more particularly in one kind, fill out sea sand regeneration coagulation
The injection steel pipe sea sand regeneration concrete post of soil.
Background technology
China's industrialization and its building manufacturing industry are also in an extensive source material and the development of the big consumption of the energy
In the stage, substantial amounts of fluvial sand in process of construction, is needed, while substantial amounts of building castoff is also generated, how using discarded coagulation
Soil, improves its intensity so that renewable resource utilization, while substituting fluvial sand with sea sand, and carries out criticizing for industrialized building component
Amount manufacture, the always emphasis of people's research, steel tube regeneration concrete column are had a wide range of applications with architectural in industry.
And because sea sand is corrosive to steel, pre-treatment often need to be carried out to sea sand, reach the requirement of building function.Place of the tradition to sea sand
Reason method wastes substantial amounts of human and material resources, with high costs.It is of the prior art mixed using untreated original sea sand
When solidifying soil forms steel core concrete column, for steel pipe corrosion-proof, FRP or river sand are set between steel pipe inner wall and sea sand used as isolating
Layer, then fill out sea sand.Although the method can directly use sea sand, specially various costs are accordingly increased with FRP structure isolation schemes,
And fluvial sand isolation scheme is used, and steel pipe two ends need first to be carried out filling and leading up with the measured river sand concrete of matter processing, then with welding
Pick and steel lid two ends are welded with technical staff, various complex manufacturing technologies, difficult quality control, and easily cause a small amount of
Sea, fluvial sand are mixed together, steel pipe is formed and is corroded, and program intensity is not also high.
The content of the invention
In order to solve the problems of the prior art, the invention provides a kind of injection steel pipe sea sand recycled concrete component.
The present invention is effectively utilized sea sand, regeneration concrete, abundant energy saving and utilizes regenerated resources, is capable of achieving green manufacturing and can
The strategic objective of sustainable development.
The technical scheme is that：The injection steel pipe sea sand regeneration concrete post of the present invention, including injection steel pipe, it is described
Sea sand regeneration concrete is filled with injection steel pipe, the injection steel pipe two ends are provided with end cap.
The injection steel pipe includes steel pipe, plastic layer, and plastic layer is arranged on the inwall of steel pipe.
The sea sand regeneration concrete includes sea sand, fluvial sand, regeneration concrete, normal concrete, sea sand, fluvial sand, again
Growing concrete, normal concrete mix homogeneously.
The invention has the beneficial effects as follows：The present invention is led in injection steel pipe filled with sea sand regeneration concrete, and is molded steel
Pipe two ends are provided with end cap, wherein the manufacture that steel pipe, end cap can realize the building component of industrial mass is molded, low cost,
Technique can realize standardization and simplification, and quality is controlled well, and injection steel pipe internal-surface has good elastoplasticity and intensity, with
And antiseptic property.Sea sand is directly applied in the regeneration concrete of injection steel pipe, without the need for processing to sea sand, by sea sand again
Growing concrete forms injection steel tube regeneration concrete column in being filled into the injection steel pipe, then to being molded steel pipe two ends band plastics
The closure of packing ring is sealed to steel pipe.So, on the one hand injection steel pipe provides clamping force for regeneration concrete so that sea sand
Combine closely between regeneration concrete；On the other hand, the anticorrosive coat elastoplasticity and intensity being molded in steel pipe is good, bending and compressive strength
It is 3.5 times of common steel tube, can have both played anti-corrosion buffer action, injection steel pipe and the even closer knot of regeneration concrete can be made again
Close, functional effect is more preferable.The present invention is effectively utilized sea sand, regeneration concrete, abundant energy saving and renewable resource utilization, real
Existing green manufacturing and the strategic objective of sustainable development.The sea sand regeneration concrete post of the injection built-in stiffener of steel pipe makes
With can directly substitute traditional steel pipe and armored concrete.
Description of the drawings
Fig. 1 is the schematic cross-section of present invention injection steel pipe sea sand recycled concrete component,
Fig. 2 is that present invention injection steel pipe and its sealing cap assemblies with plastic washer are intended to.
Specific embodiment
Further detailed description, but embodiments of the present invention not limited to this are done to the present invention with reference to embodiment.
Embodiment：
The present invention is further described for 1 explanation and specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, below in conjunction with the accompanying drawings 1 explanation and specific embodiment the present invention is further described.
As shown in figure 1, injection steel pipe sea sand regeneration concrete post component, including injection steel pipe, wherein the injection steel pipe
It is interior filled with sea sand regeneration concrete 4, the injection steel pipe two ends are provided with end cap 5.
In the present embodiment, the injection steel pipe includes steel pipe 1, plastic layer 2, and plastic layer 2 is arranged on the inwall of steel pipe 1.
In the present embodiment, the end cap 5 is threadedly secured to the two ends for being molded steel pipe, or end cap 5 is consolidated by connector 6
It is scheduled on the two ends of injection steel pipe.In the present embodiment, the connector 6 is screw.
To further ensure that sealing, the end cap 5 is also equiped with packing ring 7 with the contact surface of injection steel pipe.The present embodiment
In, the plastic washer 7 is plastic washer.
In the present embodiment, the sea sand regeneration concrete 4 includes sea sand, fluvial sand, regeneration concrete, normal concrete,
Sea sand, fluvial sand, regeneration concrete, normal concrete mix homogeneously.Sea sand of the present invention is directly applied to be molded steel tube regeneration coagulation
The method of native component is will to make sea sand regeneration concrete without the chemically treated sea sand such as desalination and regeneration concrete, by sea sand
Regeneration concrete is cast in the internal injection steel pipe with corrosion-resistant coating.
In the present embodiment, the regeneration concrete is referred to discarded concrete block after broken, cleaning, classification, is pressed
Certain proportion replaces the natural aggregates (mainly coarse aggregate) such as sandstone with level with mixing, partly or entirely, adds cement, water etc.
With novel concrete.Wherein, without the need for processing to sea sand, sea sand regeneration concrete is filled in the injection steel pipe
Form injection steel tube regeneration concrete column.In the present embodiment, using 70% regeneration concrete, 30% concrete is comprehensively prepared
The mixed regeneration concrete of Cheng Xin.
In the present embodiment, it is the intensity for further strengthening steel pipe 1, the inwall of the steel pipe 1 is additionally provided with strengthens steel wire 3.
The outer contour shape of the steel pipe 1 is circular and rectangle.In the present embodiment, the outer contour shape of steel pipe 1 is circle,
The steel pipe 1 is placed in the tool, the inner surface in steel pipe 1 same section is close at the two of upper and lower end face, isogonism is installed
Strengthen steel wire 3, in the present embodiment, reinforcement steel wire 3 is finer wire, then to 1 inner surface of steel pipe to carrying out injection-moulded plastic layer 2, can
In case the plastic layer 2 of the chemical classes such as salt corrosion is injection molding melt and dissolved in steel pipe inner wall, the plastic layer of steel wire, and and steel pipe are formed with
Form an entirety, that is, be molded steel pipe, it is this can be not high with the injection steel pipe cost of industrial mass production, improving intensity
While with plasticity, a corrosion-resistant coating is formed, directly undressed original sea sand can be filled with again in injection steel pipe
Growing concrete post.
Additionally, to avoid corrosion of the sea sand regeneration concrete 4 to steel pipe 1, the sea sand regeneration concrete 4 from being additionally added anti-
Rust agent.
The present invention is molded melt and dissolved plastic layer 2 and near upper and lower position for strengthen in the inwall of steel pipe 1 when making
The short steel wire 3 of plastics Rotating fields, be molded in the hollow area surrounded by melt and dissolved plastic layer be cast with it is original unprocessed
Sea sand made by sea sand regeneration concrete 4；Closure 8 is set at the injection steel pipe two ends, closure 8 is ordinary carbon steel material
Material.
Present invention injection steel pipe can be produced in batches as requested in manufacturer, and steel pipe inner wall is molded melt and dissolved plastic layer about
0.5-1.4mm, steel pipe sizes are D × L × t (diameter × length × thickness), according to functional requirement, can be set according to functional requirement
Count its physical dimension.This application, can use size is=180 × 500 × 6mm, and wherein bottom size is (diameter × length)
The sealing cap assemblies of 180mm × 5mm.
Built-in FRP steel stiffener of the present invention, can be produced in batches as requested in manufacturer.FRP shaped steel adds
Strong component may be provided at the center of sea sand regeneration concrete.Improve the stress performance of steel pipe sea sand regeneration concrete.
After making injection steel pipe, sea sand regeneration concrete is directly cast in injection steel pipe to scene.When steel pipe is mixed
Solidifying soil is poured after being poured in, it may appear that the contraction in the range of error of about 2mm or so, at this moment can be polished after its solidification using mortar,
Assembling sealing is carried out to being molded steel pipe two ends with sealing cap assemblies again.
, in the presence of axial compressive force, injection steel pipe is to internal regeneration concrete for injection steel pipe sea sand recycled concrete component
Hoop constraint effect is provided, is made core concrete in the pressurized state of multiaspect, is greatly improved its resistance to compression, rupture strength, carries
Good corrosion resistance, steel duct filling regeneration concrete, it is to avoid steel pipe occurs unstability, so as to improve the overall mechanics of component
Performance.
One kind that the present invention is provided is molded steel pipe sea sand recycled concrete component, and its advantage is：
1) with the fluvial sand of original sea sand alternate resources shortage, energy-conservation and economize on resources, cost is reduced.
2) regeneration concrete is adopted, together with sea sand, is fabricated to marine sand concrete, energy-conservation and economized on resources, cost is reduced.
3) as steel pipe inner wall is molded melt and dissolved plastic layer, the uniform finer wire composition installed in plastic layer can improve plastics
Layer intensity effect, and core regeneration concrete is in injection steel pipe so that the chloride ion of sea sand regeneration concrete and regeneration are mixed
The corrosion to steel pipe such as a small amount of chemical analysis in solidifying soil is restricted, while being molded the application of steel pipe, improves its resistance to compression, resists
Folding intensity, raising resistance to corrosion.
In traditional steel pipe, the chemical analysis of the undressed original sea sand of injection and discarded concrete can cause steel pipe
Corrosion product volumetric expansion causes concrete cracking, accelerates the corrosion of steel, causes reinforced concrete structure be broken
It is bad.Therefore, inwall is molded melt and dissolved plastic layer, and is provided with finer wire, and the intensity of fitting of plastic layer and steel is improved, and is not easy to
With come off and deform.
4) the assembled sealing cap assemblies of plastic washer play strict sealing function installed in steel pipe both ends of the surface.Plastic mattress
The closure modular construction advantage of circle, can be made as standard component, to in-site installation, provide for batch micro operations building component
Design and manufacture advantage and the advantage of processing cost, the elasticity of built-in plastic washer and plasticity, on the one hand play to steel pipe axle
To the cushioning effect of pressure distortion, antisepsises are on the other hand played.Compare with traditional human weld's sealing cap assemblies, reduce
Welding equipment and solder technologist, are also greatly reduced cost.
Plastic washer sealing cap assemblies injection steel pipe with unlike ordinary reinforced concrete, be molded steel pipe in mixing
The two ends of solidifying soil inner concrete are mounted with combination seal, and in the internal environment in a sealing, corrosion is limited, and interior
The expansion of portion's material also can have advantageous effect to the combination between steel pipe and core sea sand regeneration concrete.
5) it is molded steel pipe sea sand regeneration concrete to be widely used, is mainly used in compression member, such as single or multiple lift industry factory
The pillars of a house is sub, send power transformation prefabricated components, high-rise or Super High civil buildings post etc., it is also possible to do flexural member, such as highway or city
Arch rib in bridge etc..
A kind of injection steel pipe sea sand regeneration concrete that the present invention is provided is widely used, and is mainly used in compression member, such as single
Layer, send power transformation prefabricated components, high-rise civil building post etc. at multi storied industrial factory building pillar, it is also possible to do flexural member, such as highway
Or the arch rib in Urban Bridge etc..
Claims (8)
1. a kind of injection steel pipe sea sand regeneration concrete post component, including injection steel pipe, it is characterised in that in the injection steel pipe
Filled with sea sand regeneration concrete, the injection steel pipe two ends are provided with end cap.
It is 2. according to claim 1 to be molded steel pipe sea sand regeneration concrete post component, it is characterised in that：The injection steel pipe
Steel pipe, plastic layer are included, plastic layer is arranged on the inwall of steel pipe.
3. it is according to claim 1 to be molded steel pipe sea sand regeneration concrete post component, it is characterised in that the end cap passes through
The two ends of injection steel pipe are threadedly secured in, or end cap is fixed on the two ends of injection steel pipe by connector.
4. it is according to claim 1 to be molded steel pipe sea sand regeneration concrete post component, it is characterised in that the end cap and note
The contact surface of Plastic Steel Pipe is also equiped with packing ring.
It is 5. according to claim 1 to be molded steel pipe sea sand regeneration concrete post component, it is characterised in that：The steel pipe 1
Inwall is additionally provided with reinforcement steel wire.
6. the injection steel pipe sea sand regeneration concrete post component according to any one of claim 1 to 5, it is characterised in that described
Sea sand regeneration concrete includes sea sand, fluvial sand, regeneration concrete, normal concrete, sea sand, fluvial sand, regeneration concrete, common
Concrete mix homogeneously.
It is 7. according to claim 6 to be molded steel pipe sea sand regeneration concrete post component, it is characterised in that：Outside the steel pipe
Contour shape is circular and rectangle.
8. steel pipe sea sand regeneration concrete post component is molded according to claim 6, it is characterised in that the sea sand regeneration is mixed
Solidifying soil has been additionally added antirust agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066460.XA CN106522470A (en) | 2016-11-28 | 2016-11-28 | Injection molded steel pipe and sea sand regenerated concrete member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066460.XA CN106522470A (en) | 2016-11-28 | 2016-11-28 | Injection molded steel pipe and sea sand regenerated concrete member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522470A true CN106522470A (en) | 2017-03-22 |
Family
ID=58357727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611066460.XA Pending CN106522470A (en) | 2016-11-28 | 2016-11-28 | Injection molded steel pipe and sea sand regenerated concrete member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522470A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453851A (en) * | 2019-07-23 | 2019-11-15 | 长江大学 | A kind of steel core concrete column and preparation method thereof |
| CN110714577A (en) * | 2019-11-08 | 2020-01-21 | 南京林业大学 | Steel pipe concrete structure with built-in composite pipe seawater sea sand concrete |
-
2016
- 2016-11-28 CN CN201611066460.XA patent/CN106522470A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453851A (en) * | 2019-07-23 | 2019-11-15 | 长江大学 | A kind of steel core concrete column and preparation method thereof |
| CN110714577A (en) * | 2019-11-08 | 2020-01-21 | 南京林业大学 | Steel pipe concrete structure with built-in composite pipe seawater sea sand concrete |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |