CN203905296U - Sea-sand recycled concrete column with reinforcing component arranged inside injection-molded steel pipe - Google Patents
Sea-sand recycled concrete column with reinforcing component arranged inside injection-molded steel pipe Download PDFInfo
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- CN203905296U CN203905296U CN201420108038.6U CN201420108038U CN203905296U CN 203905296 U CN203905296 U CN 203905296U CN 201420108038 U CN201420108038 U CN 201420108038U CN 203905296 U CN203905296 U CN 203905296U
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- steel pipe
- injection moulding
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- regeneration concrete
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Abstract
The utility model relates to a sea-sand recycled concrete column with a reinforcing component arranged inside an injection-molded steel pipe. The sea-sand recycled concrete column comprises the injection-molded steel pipe, wherein the injection-molded steel pipe is filled with sea-sand recycled concrete; end covers are arranged at two ends of the injection-molded steel pipe; and the FRP (fiber reinforced plastic) structural steel reinforcing component is also arranged in the sea-sand recycled concrete. The inner surface of the injection-molded steel pipe has the good elastoplasticity, the good strength and the anti-corrosion performance. Sea sand is directly applied to recycled concrete of the injection-molded steel pipe and is not required to be treated, the sea-sand recycled concrete is injected into the injection-molded steel pipe to form the recycled concrete column provided with the injection-molded steel pipe, and then the sealing covers provided with plastic washers are arranged at two ends of the injection-molded steel pipe to seal the steel pipe body. The injection-molded steel pipe provides the clamping force for the recycled concrete, so that the sea sand and the recycled concrete are bonded closely; besides, an anti-corrosion layer in the injection-molded steel pipe is good in elastoplasticity and strength, the bending and compressive strength is 3.5 times that of an ordinary steel pipe, anti-corrosion and isolating roles can be played, the injection-molded steel pipe and the recycled concrete can be bonded more closely, and function effects are better.
Description
Technical field
The utility model relates to the extra large sand regeneration concrete post of the built-in stiffener of a kind of injection moulding steel pipe, relate in particular to a kind of built-in FRP i shaped steel and optimize reinforcing rib and in fill out the extra large sand regeneration concrete post of the built-in stiffener of injection moulding steel pipe of untreated extra large sand regeneration concrete.
Background technology
China's industrialization and building manufacturing industry thereof be the developing stage in an extensive source material and the large consumption of the energy also, in process of construction, need a large amount of river sand, also produced a large amount of building castoffs simultaneously, how to utilize discarded concrete, improve its intensity, make renewable resource utilization, with extra large sand, substitute river sand simultaneously, and carry out the batch manufacture of industrialized building component, and be the emphasis that people study always, steel tube regeneration concrete column is industry and architectural having a wide range of applications.And because extra large sand is corrosive to steel, often need carry out pre-treatment to extra large sand, reach the requirement of building function.Tradition has been wasted a large amount of human and material resources to the processing method of extra large sand, with high costs.When the untreated original marine sand concrete of employing of the prior art forms steel core concrete column, for steel pipe corrosion-proof, river sand or FRP are set between steel pipe inner wall and extra large sand as separation layer, then fill out extra large sand.Although the method can directly be used extra large sand, special-purpose FRP makes its cost up as separation layer, and the scheme of isolating with river sand, processing need to first be filled and led up with the measured river sand concrete of matter in steel pipe two ends, skilled worker also needs to weld with bonding machine with steel lid two ends, various complex manufacturing technology, difficult quality is controlled.If misoperation, mixes together a small amount of sea, river sand, steel pipe is formed to corrosion, this scheme intensity is also not high.In addition, in order to improve the various performances of member, the feature such as that FRP composite material has is high-strength, lightweight, anticorrosive and endurance, temperature action stability inferior are good is applied to rod structure and is reinforced, form FRP shaped steel, but stress distribution, also need further to optimize the structure of built-in FRP shaped steel, reduce stress, improve better its intensity and plasticity.
Summary of the invention
In order to solve the problems of the prior art, the utility model provides the extra large sand regeneration concrete post of the built-in stiffener of a kind of injection moulding steel pipe.The utility model has effectively utilized extra large sand, regeneration concrete, and fully energy conservation and utilize regenerated resources, can realize the strategic objective of green manufacturing and sustainable development.
The technical solution of the utility model is: the extra large sand regeneration concrete post of the built-in stiffener of injection moulding steel pipe of the present utility model, comprise injection moulding steel pipe, in described injection moulding steel pipe, be filled with extra large sand regeneration concrete, described injection moulding steel pipe two ends are provided with end cap, in described extra large sand regeneration concrete, also lay FRP shaped steel stiffener.
Described FRP shaped steel stiffener includes FRP i shaped steel, left FRP steel reinforcing rib, right FRP steel reinforcing rib, and left FRP steel reinforcing rib and right FRP steel reinforcing rib are separately fixed at the both sides of FRP i shaped steel.
Described injection moulding steel pipe includes steel pipe 1, plastic layer 2, and plastic layer 2 is arranged on the inwall of steel pipe 1.
The beneficial effects of the utility model are: the utility model leads to and in injection moulding steel pipe, is filled with extra large sand regeneration concrete, and injection moulding steel pipe two ends are provided with end cap, wherein injection moulding steel pipe, end cap can be realized the manufacture of the building component of industrial mass, cost is low, technique can realize standardization and simplification, quality is controlled well, and injection moulding steel pipe internal-surface has good elastoplasticity and intensity, and antiseptic property.Extra large sand is directly applied in the regeneration concrete of injection moulding steel pipe, without extra large sand is processed, extra large sand regeneration concrete is filled into and in described injection moulding steel pipe, forms injection moulding steel tube regeneration concrete column, then injection moulding steel pipe two ends are sealed steel pipe with the seal cover with plastic washer.Like this, injection moulding steel pipe, for regeneration concrete provides clamping force, makes to combine closely between extra large sand regeneration concrete on the one hand; On the other hand, anticorrosive coat elastoplasticity and intensity in injection moulding steel pipe are good, and bending and compressive strength is 3.5 times of common steel tube, both can play anticorrosion buffer action, can make again injection moulding steel pipe and regeneration concrete more combine closely, and functional effect is better.In addition, also lay FRP shaped steel stiffener in extra large sand regeneration concrete, described built-in FRP steel stiffener can improve the stress performance of steel pipe sea sand regeneration concrete.The utility model has effectively utilized extra large sand, regeneration concrete, and fully energy conservation and renewable resource utilization are realized the strategic objective of green manufacturing and sustainable development.The use of the extra large sand regeneration concrete post of the built-in stiffener of injection moulding steel pipe can directly substitute traditional steel pipe and steel concrete.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of the utility model injection moulding steel pipe sea sand recycled concrete component;
Fig. 2 is the utility model injection moulding steel pipe and with the seal cover assembly intention of plastic washer.
In figure: 1 steel pipe; 2 plastic layers; 3 finer wires; 4 extra large sand regeneration concretes; 5 FRP shaped steel; 6 left FRP steel reinforcing ribs; 7 right FRP steel reinforcing ribs.
The specific embodiment
Below in conjunction with embodiment, the utility model is done to further detailed description, but embodiment of the present utility model is not limited to this.
Embodiment:
Below in conjunction with accompanying drawing 1 explanation and the specific embodiment, the utility model is further illustrated.
As shown in Figure 1, injection moulding steel pipe sea sand regeneration concrete post member, comprise injection moulding steel pipe, in wherein said injection moulding steel pipe, be filled with extra large sand regeneration concrete 4, described injection moulding steel pipe two ends are provided with end cap 8, in described extra large sand regeneration concrete 4, also lay FRP shaped steel stiffener, described built-in FRP steel stiffener can improve the stress performance of steel pipe sea sand regeneration concrete.
In the present embodiment, described FRP shaped steel stiffener includes FRP i shaped steel 5, left FRP steel reinforcing rib 6, right FRP steel reinforcing rib 7, and left FRP steel reinforcing rib 6 and right FRP steel reinforcing rib 7 are separately fixed at the both sides of FRP i shaped steel 5.FRP shaped steel stiffener of the present utility model is FRP i shaped steel structure to be optimized to the FRP shaped steel stiffener of rear composition, described FRP shaped steel stiffener has improved conventional standard I-shaped structure, increase FRP steel reinforcing rib, optimized i shaped steel structure, strengthen the intensity at barycenter place, middle part, because the stressed the weakest point of the I-shaped structure of standard is at I-shaped barycenter place.Therefore, for the stressed problem of barycenter, increased left and right FRP steel reinforcing rib (or claim stiffening rib) in i shaped steel bottom, height and surpass barycenter position, has improved FRP steel I-beam barycenter intensity and has improved comprehensive stressing conditions.
In the present embodiment, described injection moulding 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, described end cap 8 is fixed on the two ends of injection moulding steel pipe by screw thread, or end cap 8 is fixed on the two ends of injection moulding steel pipe by connector 9.In the present embodiment, described connector 9 is screw.
For further guaranteeing sealing, described end cap 8 is also equiped with packing ring 10 with the contact surface of injection moulding steel pipe.In the present embodiment, described plastic washer 10 is plastic washer.
In the present embodiment, described extra large sand regeneration concrete 4 includes extra large sand, river sand, regeneration concrete, ordinary concrete, and extra large sand, river sand, regeneration concrete, ordinary concrete mix.The method that the utility model sea sand is directly applied in injection moulding steel tube regeneration concrete component is to make extra large sand regeneration concrete without the chemically treated extra large sand such as desalination and regeneration concrete, and extra large sand regeneration concrete is cast in the injection moulding steel pipe that inside has corrosion-resistant coating.
In the present embodiment, described regeneration concrete refers to discarded concrete block after fragmentation, cleaning, classification, mix with grating by a certain percentage, partly or entirely replace the natural aggregates such as sandstone (being mainly coarse aggregate), then add cement, water etc. to join the as placed concrete forming.Wherein, without extra large sand is processed, extra large sand regeneration concrete is filled into and in described injection moulding steel pipe, forms injection moulding steel tube regeneration concrete column.In the present embodiment, adopt 70% regeneration concrete, 30% concrete is comprehensively mixed with new mixed regeneration concrete.
In the present embodiment, for further strengthening the intensity of steel pipe 1, the inwall of described steel pipe 1 is also provided with strengthens steel wire 3.
The outer contour shape of described steel pipe 1 is circle and rectangle.In the present embodiment, the outer contour shape of steel pipe 1 is circular, described steel pipe 1 is placed in instrument, two places that approach upper and lower end face at the inner surface in steel pipe 1 same cross section, isogonism is installed and is strengthened steel wire 3, in the present embodiment, strengthening steel wire 3 is finer wire, then to steel pipe 1 inner surface to carrying out injection-moulded plastic layer 2, can be in case the plastic layer 2 of the chemical classes corrosion such as salt be injection molding melt and dissolved at steel pipe inner wall, be formed with the plastic layer of steel wire, and form an integral body with steel pipe, it is injection moulding steel pipe, this injection moulding steel pipe cost that can industrialized mass is not high, when improving intensity and plasticity, form a corrosion-resistant coating, can directly in injection moulding steel pipe, be filled with undressed original extra large sand regeneration concrete post.
In addition,, for avoiding the corrosion of 4 pairs of steel pipes 1 of extra large sand regeneration concrete, described extra large sand regeneration concrete 4 also adds rust protection agent.
The utility model is when making; the short steel wire 3 for reinforced plastics layer structure at the melt and dissolved plastic layer 2 of the inwall injection moulding of steel pipe 1 and close upper and lower position, is cast with the extra large sand regeneration concrete 4 that original undressed extra large sand is made at the melt and dissolved plastic layer of injection moulding in the hollow area surrounding; At described injection moulding steel pipe two ends, seal cover 8 is set, seal cover 8 is ordinary carbon steel material.
The utility model injection moulding steel pipe Ke manufacturing works produce in batches as requested, the about 0.5-1.4mm of plastic layer that steel pipe inner wall injection moulding is melt and dissolved,, steel pipe sizes is D * L * t(diameter * length * thickness), according to functional requirement, can design its physical dimension according to functional requirement.This application, desirable being of a size of=180 * 500 * 6mm, wherein the seal cover assembly that is of a size of (diameter * length) 180mm * 5mm for bottom.
Built-in FRP steel stiffener described in the utility model, can produce in batches as requested in manufacturing works.FRP shaped steel stiffener can be arranged on the center of extra large sand regeneration concrete.Improve the stress performance of steel pipe sea sand regeneration concrete.
Make after injection moulding steel pipe, to scene, extra large sand regeneration concrete is directly cast in injection moulding steel pipe.After concrete filled steel tube is poured into a mould, there will be the contraction in the error range about about 2mm, at this moment can adopt mortar to polish after it solidifies, then with seal cover assembly, fitting tight be carried out in injection moulding steel pipe two ends.
Injection moulding steel pipe sea sand recycled concrete component is under the effect of axial compression, injection moulding steel pipe provides hoop constraint effect to inner regeneration concrete, make the state of core concrete in multiaspect pressurized, can greatly improve its resistance to compression, rupture strength, raising resistance to corrosion, steel duct is filled regeneration concrete, avoid steel pipe generation unstability, thereby improved the whole mechanical property of member.
The extra large sand recycled concrete component of the built-in FRP shaped steel of a kind of injection moulding steel pipe stiffener that the utility model provides, its advantage is:
1) with the river sand of original extra large sand alternate resources shortage, energy-conservation and economize on resources, cost.
2) adopt regeneration concrete, together with extra large sand, be made into marine sand concrete, energy-conservation and economize on resources, cost.
3) due to the melt and dissolved plastic layer of steel pipe inner wall injection moulding, the uniform finer wire that is arranged on plastic layer forms can improve the effect of plastic layer intensity, and core regeneration concrete is in injection moulding steel pipe, the chlorion of extra large sand regeneration concrete and a small amount of chemical analysis in regeneration concrete etc. are restricted the corrosion of steel pipe, the application of the steel pipe of injection moulding simultaneously, has improved its resistance to compression, rupture strength, raising resistance to corrosion.
In traditional steel pipe, inject undressed original extra large sand and discarded concrete chemical analysis can make the volume expansion of steel pipe corrosion product cause concrete cracking, accelerated the corrosion of steel, cause the reinforced concrete structure will soon be destroyed.Therefore, the plastic layer that inwall injection moulding is melt and dissolved, and finer wire is installed, the laminating intensity of plastic layer and steel improves, and is not easy to and comes off and be out of shape.
4) described built-in FRP steel stiffener, can produce in batches as requested in manufacturing works.Improve the stress performance of steel pipe sea sand regeneration concrete, particularly FRP i shaped steel structure is optimized the FRP shaped steel stiffener of rear composition.Described FRP i shaped steel stiffener, has improved conventional standard i-beam structure, increases FRP steel reinforcing rib, has optimized i-beam structure, strengthens the intensity at barycenter place, middle part.For the stressed problem of barycenter, in i iron bottom, increased left and right FRP steel reinforcing rib (or claim stiffening rib), height and surpass barycenter position, has improved FRP i iron barycenter intensity and has improved comprehensive stressing conditions.
5) the assembling seal cover assembly of plastic washer is arranged on steel pipe both ends of the surface and plays strict sealing function.The seal cover modular construction advantage of plastic washer, can be made as standard component, to on-the-spot, install, for manufacturing in batches the advantage that building component provides design and manufacture advantage and processing cost, the elasticity of built-in plastic washer and plasticity, play the cushioning effect to pressure distortion to steel shaft on the one hand, play on the other hand antisepsis.Artificial welded seal cap assemblies comparison with traditional, has reduced welding equipment and solder technology personnel, also greatly reduces cost.
6) what the injection moulding steel pipe of the seal cover assembly of plastic washer was different from ordinary reinforced concrete is, combination seal has been installed at the two ends of the concrete inner concrete in injection moulding steel pipe, in the inner environment in a sealing, corrosion is limited, and the expansion of internal material also can have advantageous effect to the combination between steel pipe and core sea sand regeneration concrete.
7) injection moulding steel pipe sea sand regeneration concrete is widely used, be mainly used in compressed member, as single or multiple lift industrial premises pillar, send power transformation prefabricated units, high level or Super High civilian construction post etc., also can be used as flexural member, as arch rib in highway or Urban Bridge etc.
A kind of injection moulding steel pipe sea sand regeneration concrete that the utility model provides is widely used, be mainly used in compressed member, as single or multiple lift industrial premises pillar, send power transformation prefabricated units, high-rise civil building post etc., also can be used as flexural member, as arch rib in highway or Urban Bridge etc.
Claims (8)
1. the extra large sand regeneration concrete post of the built-in stiffener of injection moulding steel pipe, comprise injection moulding steel pipe, it is characterized in that being filled with extra large sand regeneration concrete in described injection moulding steel pipe, described injection moulding steel pipe two ends are provided with end cap, in described extra large sand regeneration concrete, also lay FRP shaped steel stiffener; Described injection moulding steel pipe includes steel pipe, plastic layer, and plastic layer is arranged on the inwall of steel pipe.
2. the extra large sand regeneration concrete post of the built-in stiffener of injection moulding steel pipe according to claim 1, it is characterized in that described FRP shaped steel stiffener includes FRP i shaped steel, left FRP steel reinforcing rib, right FRP steel reinforcing rib, left FRP steel reinforcing rib and right FRP steel reinforcing rib are separately fixed at the both sides of FRP i shaped steel.
3. according to the extra large sand regeneration concrete post of the built-in stiffener of injection moulding steel pipe described in claim 2, it is characterized in that described end cap is fixed on the two ends of injection moulding steel pipe by screw thread, or end cap is fixed on the two ends of injection moulding steel pipe by connector.
4. the extra large sand regeneration concrete post of the built-in stiffener of injection moulding steel pipe according to claim 2, is characterized in that the contact surface of described end cap and injection moulding steel pipe is also equiped with packing ring.
5. according to the extra large sand regeneration concrete post of the built-in stiffener of injection moulding steel pipe described in claim 1, it is characterized in that: the inwall of described steel pipe is also provided with reinforcement steel wire.
6. according to the extra large sand regeneration concrete post of the built-in stiffener of injection moulding steel pipe described in claim 1, it is characterized in that: the shape of cross section of described steel pipe is circle and rectangle.
7. according to the extra large sand regeneration concrete post of the built-in stiffener of injection moulding steel pipe described in claim 1 to 6 any one, it is characterized in that described extra large sand regeneration concrete includes extra large sand, river sand, regeneration concrete, ordinary concrete, extra large sand, river sand, regeneration concrete, ordinary concrete mix.
8. the extra large sand regeneration concrete post of the built-in stiffener of injection moulding steel pipe according to claim 7, is characterized in that described extra large sand regeneration concrete also adds and has rust protection agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108038.6U CN203905296U (en) | 2014-03-11 | 2014-03-11 | Sea-sand recycled concrete column with reinforcing component arranged inside injection-molded steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108038.6U CN203905296U (en) | 2014-03-11 | 2014-03-11 | Sea-sand recycled concrete column with reinforcing component arranged inside injection-molded steel pipe |
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| CN203905296U true CN203905296U (en) | 2014-10-29 |
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| CN201420108038.6U Expired - Fee Related CN203905296U (en) | 2014-03-11 | 2014-03-11 | Sea-sand recycled concrete column with reinforcing component arranged inside injection-molded steel pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924732A (en) * | 2014-03-11 | 2014-07-16 | 广东工业大学 | Injection molded steel-tube sea sand recycled concrete column with built-in stiffening member |
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2014
- 2014-03-11 CN CN201420108038.6U patent/CN203905296U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924732A (en) * | 2014-03-11 | 2014-07-16 | 广东工业大学 | Injection molded steel-tube sea sand recycled concrete column with built-in stiffening member |
| CN103924732B (en) * | 2014-03-11 | 2016-08-17 | 广东工业大学 | A kind of sea sand regeneration concrete post being molded the built-in stiffener of steel pipe |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20190311 |