CN203080935U - Device for preventing tube wall of steel tube concrete structure steel tube and concrete from generating stripping damage of preheating steel tube - Google Patents
Device for preventing tube wall of steel tube concrete structure steel tube and concrete from generating stripping damage of preheating steel tube Download PDFInfo
- Publication number
- CN203080935U CN203080935U CN 201320024283 CN201320024283U CN203080935U CN 203080935 U CN203080935 U CN 203080935U CN 201320024283 CN201320024283 CN 201320024283 CN 201320024283 U CN201320024283 U CN 201320024283U CN 203080935 U CN203080935 U CN 203080935U
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- steel pipe
- concrete
- steel tube
- tube wall
- heating part
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Abstract
Disclosed is a device for preventing the tube wall of a steel tube concrete structure steel tube and concrete from generating stripping damage of a preheating steel tube. The device is composed of a heating part, a thermal insulation part and a temperature measurement part, wherein the heating part is evenly laid on the tube wall of the steel tube concrete structure steel tube, the thermal insulation part covers the outer side of the heating part, and the temperature measurement part is arranged on the tube wall of the steel tube concrete structure steel tube. According to the device for preventing the tube wall of the steel tube concrete structure steel tube and the concrete from generating the stripping damage of the preheating steel tube, the temperature of the steel tube in a steel tube concrete structure is controlled, pre-expansion is generated, so that the stripping damage due to inconformity of deformation of the steel tube and the concrete is effectively avoided, and namely the problem that the stripping damage can occur to a junction surface of the steel tube and the concrete due to concrete contraction is solved.
Description
Technical field
The utility model relates to construction technology of concrete filled steel tubular.
Background technology
At present, in the architectural engineering construction technique field, especially in the superelevation layer project construction, encased structures is widely used.Encased structures can be with steel pipe and concrete advantages together, make concrete be in the side loaded state, its compressive strength can significantly improve, simultaneously because concrete existence, improved the rigidity of steel pipe, both play a role jointly, thereby have improved structural-load-carrying capacity widely, have improved structural seismic performance and fireproof performance etc.
But, that the encased structures system is often followed is high-strength, self-compacting concrete uses simultaneously, because the concrete self-constriction is bigger, in the process of hardening of concrete and self-constriction, steel pipe and concrete deformation are inconsistent, very easily produce between steel pipe in the encased structures and concrete and peel off damage, closely influence the stress of structural system.This technical problem does not still have solution at present.
The utility model content
The purpose of this utility model provides a kind of preheated steel pipe and prevents that steel pipe concrete structural iron tube wall and concrete from producing and peel off the device of damage, solve easily to produce between steel pipe in the encased structures and concrete to peel off the technical problem of damage.
For achieving the above object, the utility model adopts following technical scheme: a kind of preheated steel pipe prevents that steel pipe concrete structural iron tube wall and concrete from producing and peels off the device of damage, it is characterized in that: form by heating part, insulating sections and temperature measurement fraction, described heating part evenly is laid on the tube wall of steel pipe concrete structured steel pipe, described insulating sections covers the outside of heating part, and described temperature measurement fraction is arranged on the tube wall of described steel pipe concrete structured steel pipe.
Described heating part can be heating wire, ribbon heater, electric blanket, electric heating bar, heat conduction coil pipe, ceramic heater, crawler belt heater or electromagnetic heater.
Described heating part can by paste, on the tube wall of strong magnets absorption, bolt connects or welding manner evenly is laid in steel pipe concrete structured steel pipe.
Described insulating sections can be insulation quilt or the cotton felt of accumulation of heat.
Described temperature measurement fraction can be the surface-mount type temperature transducer.
Compared with prior art the utlity model has following characteristics and beneficial effect: the utility model has been expanded structure and has been peeled off the means of damage control, by means such as in the past Passive Control concrete mix, concrete casting building technologies, become ACTIVE CONTROL steel pipe temperature, adjusted the means of steel pipe temperature synchronously in conjunction with concrete self-constriction rule simultaneously.
The utility model is by the temperature of steel pipe in the control encased structures, make it produce pre-the expansion, thereby effectively controlled the damage of peeling off that produces owing to steel pipe and concrete deformation are inconsistent, steel pipe and the concrete joint surface promptly having avoided causing because of concrete shrinkage produce the problem of damage of peeling off.
The utility model makes steel pipe produce certain precompressed effect to concrete when preventing that damage is peeled off in generation between steel pipe and concrete, and the bearing capacity that improves structural entity is had very great help.
The utility model utilizes heat energy, electric energy that steel pipe is preheated and temperature control, and equipment is simple, be convenient to operation.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present utility model.
Reference numeral: 1-steel pipe, 2-concrete, 3-heating part, 4-insulating sections, 5-temperature measurement fraction.
The specific embodiment
Embodiment is referring to shown in Figure 1, and this preheated steel pipe prevents that steel pipe concrete structural iron tube wall and concrete from producing and peels off the device of damage, is made up of heating part 3, insulating sections 4 and temperature measurement fraction 5.
Described heating part 3 evenly is laid on the tube wall of steel pipe concrete structured steel pipe 1, and described insulating sections 4 covers the outside of heating part 3, and described temperature measurement fraction 5 is arranged on the tube wall of described steel pipe concrete structured steel pipe 1.
Described heating part 3 can be heating wire, ribbon heater, electric blanket, electric heating bar, heat conduction coil pipe, ceramic heater, crawler belt heater or electromagnetic heater etc.
Described heating part 3 can be by paste, on the tube wall of strong magnets absorption, bolt connects or mode such as welding evenly is laid in steel pipe concrete structured steel pipe 1.
Described insulating sections 4 can be insulation quilt, the cotton felt of accumulation of heat etc., and the outside of the heating part that is laid in can consider whether add according to actual conditions, and can carry out as required freely adding and removing.
As most preferred embodiment, described temperature measurement fraction 5 is the surface-mount type temperature transducer, and it closely contacts with the steel pipe concrete structured steel pipe, and the collecting temperature data also can read in real time automatically.
Use said system and prevent that steel pipe concrete structured steel pipe and concrete generation from peeling off the method for damage, its step is as follows.
Step 1, according to the wall thickness of environment temperature, steel pipe concrete structured steel pipe, diameter, concrete strength, concrete temperature rise rate and the thermal insulation warming of steel pipe concrete structured steel pipe, determine the efficiency of heating surface and the corresponding insulation measure of heating part 3.
After steel pipe concrete structured steel pipe 1 installation in step 2, the steel pipe concrete structure (promptly lift, weld finish after), heating part 3 is applied on the tube wall of steel pipe concrete structured steel pipe 1, heating part 3 is closely contacted with steel pipe concrete structured steel pipe 1, on the tube wall of steel pipe concrete structured steel pipe 1, arrange temperature measurement fraction 5, according to the outer side covers insulating sections 4 of heat demand at heating part 3.
Step 3, the steel pipe concrete structured steel pipe is preheated processing, promptly heat with 3 pairs of steel pipe concrete structured steel pipes 1 of heating part, the variations in temperature of observing the steel pipe concrete structured steel pipe by temperature measurement fraction 5 makes steel pipe concrete structured steel pipe 1 reach design temperature and produce in advance and expands simultaneously.
Step 4, concreting 2 by the effect of heating part 3, insulating sections 4 and temperature measurement fraction 5, make steel pipe concrete structured steel pipe 1 be in design temperature simultaneously always.
Above disclose only for preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this.Therefore, the equivalent variations according to the utility model claim is done still belongs to the scope that the utility model is contained.
Claims (5)
1. a preheated steel pipe prevents that steel pipe concrete structural iron tube wall and concrete from producing and peels off the device of damage, it is characterized in that: form by heating part (3), insulating sections (4) and temperature measurement fraction (5), described heating part (3) evenly is laid on the tube wall of steel pipe concrete structured steel pipe (1), described insulating sections (4) covers the outside of heating part (3), and described temperature measurement fraction (5) is arranged on the tube wall of described steel pipe concrete structured steel pipe (1).
2. preheated steel pipe according to claim 1 prevents that steel pipe concrete structural iron tube wall and concrete from producing and peels off the device of damage that it is characterized in that: described heating part (3) is heating wire, ribbon heater, electric blanket, electric heating bar, heat conduction coil pipe, ceramic heater, crawler belt heater or electromagnetic heater.
3. preheated steel pipe according to claim 1 prevents that steel pipe concrete structural iron tube wall and concrete from producing and peels off the device of damage, it is characterized in that: described heating part (3) by paste, on the tube wall of strong magnets absorption, bolt connects or welding manner evenly is laid in steel pipe concrete structured steel pipe (1).
4. preheated steel pipe according to claim 1 prevents that steel pipe concrete structural iron tube wall and concrete from producing and peels off the device of damage that it is characterized in that: described insulating sections (4) is insulation quilt or the cotton felt of accumulation of heat.
5. preheated steel pipe according to claim 1 prevents that steel pipe concrete structural iron tube wall and concrete from producing and peels off the device of damage that it is characterized in that: described temperature measurement fraction (5) is the surface-mount type temperature transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024283 CN203080935U (en) | 2013-01-17 | 2013-01-17 | Device for preventing tube wall of steel tube concrete structure steel tube and concrete from generating stripping damage of preheating steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024283 CN203080935U (en) | 2013-01-17 | 2013-01-17 | Device for preventing tube wall of steel tube concrete structure steel tube and concrete from generating stripping damage of preheating steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203080935U true CN203080935U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320024283 Expired - Lifetime CN203080935U (en) | 2013-01-17 | 2013-01-17 | Device for preventing tube wall of steel tube concrete structure steel tube and concrete from generating stripping damage of preheating steel tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203080935U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653437A (en) * | 2019-01-14 | 2019-04-19 | 沈阳建筑大学 | A kind of preparation method of the strength round steel pipe concrete column using steel pipe active constraint |
| CN111501520A (en) * | 2020-05-08 | 2020-08-07 | 重庆交通大学 | Pouring process for preventing concrete filled steel tube from being emptied |
| CN116657573A (en) * | 2021-02-05 | 2023-08-29 | 成都蜂装钢构集团有限公司 | Offshore platform structure |
| CN116732859A (en) * | 2021-02-05 | 2023-09-12 | 成都蜂装钢构集团有限公司 | Assembled elevated road and bridge mounting structure |
-
2013
- 2013-01-17 CN CN 201320024283 patent/CN203080935U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653437A (en) * | 2019-01-14 | 2019-04-19 | 沈阳建筑大学 | A kind of preparation method of the strength round steel pipe concrete column using steel pipe active constraint |
| CN111501520A (en) * | 2020-05-08 | 2020-08-07 | 重庆交通大学 | Pouring process for preventing concrete filled steel tube from being emptied |
| CN116657573A (en) * | 2021-02-05 | 2023-08-29 | 成都蜂装钢构集团有限公司 | Offshore platform structure |
| CN116732859A (en) * | 2021-02-05 | 2023-09-12 | 成都蜂装钢构集团有限公司 | Assembled elevated road and bridge mounting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
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| CX01 | Expiry of patent term |