CN204199692U - A kind of steel pipe making concrete hole - Google Patents
A kind of steel pipe making concrete hole Download PDFInfo
- Publication number
- CN204199692U CN204199692U CN201420617230.8U CN201420617230U CN204199692U CN 204199692 U CN204199692 U CN 204199692U CN 201420617230 U CN201420617230 U CN 201420617230U CN 204199692 U CN204199692 U CN 204199692U
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- steel pipe
- ribbing
- iron sheet
- concrete
- concrete hole
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Abstract
The utility model discloses a kind of steel pipe making concrete hole, and steel tube surface is the protruding rough surface of band.Because the interim overlap joint adopted forms the mode of steel pipe, after concreting completes, be easy to steel pipe to remove, avoid current steel pipe in work progress owing to being not easy to remove, be reserved in cause in concrete get rusty, the problem such as subsequent construction inconvenience; The steel pipe of interim overlap joint, iron sheet with ribbing is adopted to be formed with protruding rough surface, convex-concave surface is formed after concreting completes, the existence of convex-concave surface is more conducive to increasing the caking property between first concreting and the concrete of after-pouring, avoid after-pouring concrete to fall, ensure construction effect; Iron sheet with ribbing can also be reused according to Specific construction situation, economizes on resources, reduces costs.
Description
Technical field
The utility model relates to a kind of construction steel pipe, particularly relates to the preparation of a kind of steel pipe for concrete slab preformed hole.
Background technology
At present at the construction field (site), the especially scene of Precast Concrete Segmental Bridges bridge, need at bridge surface preformed hole, so that facilities such as temporary fixed Hanging Baskets.Usually these reserving holes are realized by embedded steel tube, and diameter, about about 5cm-10cm, after complete dismounting Hanging Basket is constructed in bridge local, crams this reserving hole (as shown in Figure 1, 2) with concrete.But these steel pipes for the preparation of preformed hole are stayed in hole, are not drawn out easily, in the bridge operation in later stage, this steel pipe easily gets rusty, and due to New-old concrete joint surface smoother, fill concrete easily falls, construction effect is undesirable, causes the later stage to run in maintenance and there are problems.
Therefore, study a kind of steel pipe for the preparation of preformed hole, to the construction important in inhibiting of civil engineering.
Utility model content
Main purpose of the present utility model is, overcome the defect that existing preformed hole steel pipe exists, and a kind of steel pipe of novel making concrete hole is provided, conveniently remove and the bond strength that can increase between concrete, thus be more suitable for practicality, and there is the value in industry.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.According to the steel pipe of the making concrete hole that the utility model proposes, described steel tube surface is the protruding rough surface of band.Wherein iron sheet adopts commercially available iron sheet, and the THICKNESS CONTROL of iron sheet is at about 2 ~ 5mm, and be preferably 3mm, also adjust its thickness as required, iron sheet can make the steel cylindrical tube surrounded not produce lateral deformation.
Further, the steel pipe of aforesaid making concrete hole, described steel pipe is wound around cylindrical die by iron sheet with ribbing and forms hollow cylinder steel pipe, steel pipe is originally as a kind of temporary structure, wherein iron sheet screw with ribbing is wound around, the width of iron sheet with ribbing is 5 ~ 15cm, wherein the bottom of the projection of iron sheet last layer with ribbing and the protruding apex of lower one deck are in same level, iron sheet with ribbing on screw and the angle formed between horizontal plane are 15 ~ 30 degree, spacing between two adjacent projections is 4 ~ 7cm, protruding cross section is a circular shape, radian is 0.25 ~ 0.5rad, the angle of iron sheet overlap joint is reasonably set, can ensure to form the steel pipe with sufficient intensity, again can be for convenience detach.
Make the preparation method of the steel pipe of concrete hole, comprise the steps,
Iron sheet with ribbing is wrapped in cylindrical die surface, and iron sheet lap-joint with ribbing is interim connection, after steel pipe forming, is separated by steel pipe with cylindrical die, obtains described steel pipe.
Further, the preparation method of the steel pipe of aforesaid making concrete hole, the interim connection of described iron sheet lap-joint with ribbing is formed by suppressing form, and the faying surface between iron sheet with ribbing is mutual links together temporarily, overall formation steel tubular structure.
By steel pipe for the preparation of concrete slab preformed hole.
Make the using method of the steel pipe of concrete hole, comprise the steps,
1) steel pipe is prepared by the mode of iron sheet winding cylindrical die with ribbing;
2) according to the concrete degree of depth adjustment steel pipe length of Specific construction position;
3) steel pipe is imbedded the position of corresponding preformed hole, concreting;
4) after concrete setting, by by the iron sheet with ribbing on steel pipe top to pull-up, be overlap owing to forming the iron sheet with ribbing faying surface each other of steel pipe, under the effect of pulling force, pipe deformation is iron sheet with ribbing, more easily steel pipe is extracted temporarily;
5) after extracting steel pipe, by fill concrete in preformed hole, construct complete.
Further, the using method of the steel pipe of aforesaid making concrete hole, steel pipe is extracted rear concrete and form convex-concave surface, the concrete being more conducive to first building is connected with between the concrete of rear casting, ensures construction effect.
By technique scheme, the steel pipe that the utility model makes concrete hole at least has following advantages:
Compared with the steel pipe of making concrete hole of the present utility model and the conventional steel pipe of prior art, because the interim overlap joint adopted forms the mode of steel pipe, after concreting completes, be easy to steel pipe to remove, avoid current steel pipe in work progress due to be not easy remove, be reserved in cause in concrete get rusty, subsequent construction inconvenience etc. problem; The steel pipe of interim overlap joint, iron sheet with ribbing is adopted to be formed with protruding rough surface, convex-concave surface is formed after concreting completes, the existence of convex-concave surface is more conducive to increasing the caking property between first concreting and the concrete of after-pouring, avoid after-pouring concrete to fall, ensure construction effect; Iron sheet with ribbing can also be reused according to Specific construction situation, economizes on resources, reduces costs.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of manual, be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is prior art steel pipe preformed hole schematic diagram;
Fig. 2 is prior art concreting schematic diagram;
Fig. 3 is iron sheet sectional drawing with ribbing;
Fig. 4 is iron sheet plan view with ribbing;
Fig. 5 is iron sheet with ribbing overlap joint schematic diagram;
Fig. 6 is that schematic diagram prepared by the steel pipe making concrete hole;
Fig. 7 is the steel pipe preformed hole schematic diagram that the utility model makes concrete hole;
Fig. 8 is the utility model concreting schematic diagram;
Mark implication in figure: 101. preformed holes, 102. steel pipes, 103. fill concretes, 104. iron sheets with ribbing, 105. is protruding, 106. faying surfaces, 107. cylindrical dies, 108. convex-concave surfaces.
Detailed description of the invention
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, to according to its detailed description of the invention of steel pipe of the making concrete hole that the utility model proposes, feature and effect thereof, be described in detail as follows.
Embodiment 1
The steel pipe of making concrete hole of the present utility model as shown in Figure 6, steel pipe 102 surface is band rib roughened surface, and steel pipe 102 is wound around cylindrical die 107 by iron sheet 104 with ribbing and forms hollow cylinder steel pipe 102.As shown in Figure 3, as shown in Figure 4, iron sheet 104 with ribbing is the middle iron sheet with projection 105 to plan view to iron sheet 104 sectional drawing with ribbing.
Prepare steel pipe 102 and adopt following steps:
Iron sheet 104 with ribbing is wrapped in the surface of cylindrical die 107, wherein in winding process, adjacent iron sheet with ribbing 104 faying surface 106 of two circles is interim connection, a kind of pressure (being similar to the preparation method of steel pipe pile) of fast powerful is passed through by the iron sheet with ribbing that two circles are adjacent, iron sheet is piled up fast, the interim effect connected can be reached.As shown in Figure 5, Figure 6, one encloses and is upwards wound around, and forms steel pipe 102, until steel pipe 102 shaping firm after, cylindrical die 107 is separated from shaping steel pipe 102, obtains target steel pipe 102.
Steel pipe 102 is comprised the steps for the preparation of concrete slab preformed hole 101, as shown in Figure 7, Figure 8:
1) above-mentioned steps is adopted to prepare steel pipe 102 by iron sheet 104 with ribbing;
2) according to concrete degree of depth adjustment steel pipe 102 length of construction position;
3) steel pipe 102 is imbedded the position of corresponding preformed hole 101, concreting;
4) after concrete setting, by by the iron sheet with ribbing 104 on steel pipe 102 top to pull-up, steel pipe 102 is extracted, after steel pipe 102 is extracted concrete surface formed convex-concave surface 108.
5) after extracting steel pipe 102, by preformed hole fill concrete 103, construct complete.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. make a steel pipe for concrete hole, it is characterized in that: described steel pipe (102) surface is protruding (105) rough surface of band.
2. the steel pipe of making concrete hole according to claim 1, is characterized in that: described steel pipe (102) is wound around cylindrical die (107) by iron sheet with ribbing (104) and forms hollow cylinder steel pipe (102).
3. the steel pipe of making concrete hole according to claim 2, it is characterized in that: described iron sheet with ribbing (104) screw is wound around, the bottom of the projection (105) of described iron sheet with ribbing (104) last layer and projection (105) top of lower one deck are in same level, and the iron sheet with ribbing (104) on screw and the angle formed between horizontal plane are 15 ~ 30 degree.
4. the steel pipe of making concrete hole according to claim 2, is characterized in that: the thickness of described iron sheet with ribbing (104) is 2 ~ 5mm.
5. the steel pipe of making concrete hole according to claim 2, is characterized in that: the width of described iron sheet with ribbing (104) is 5 ~ 15cm.
6. the steel pipe of making concrete hole according to claim 3, is characterized in that: the spacing between two adjacent projections (105) is 4 ~ 7cm.
7. the steel pipe of making concrete hole according to claim 3, is characterized in that: the cross section of described projection (105) is a circular shape, and radian is 0.25 ~ 0.5rad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617230.8U CN204199692U (en) | 2014-10-23 | 2014-10-23 | A kind of steel pipe making concrete hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617230.8U CN204199692U (en) | 2014-10-23 | 2014-10-23 | A kind of steel pipe making concrete hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204199692U true CN204199692U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420617230.8U Active CN204199692U (en) | 2014-10-23 | 2014-10-23 | A kind of steel pipe making concrete hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204199692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328912A (en) * | 2014-10-23 | 2015-02-04 | 江苏省交通科学研究院股份有限公司 | Steel pipe for manufacturing of concrete hole, preparation method and purpose thereof |
-
2014
- 2014-10-23 CN CN201420617230.8U patent/CN204199692U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328912A (en) * | 2014-10-23 | 2015-02-04 | 江苏省交通科学研究院股份有限公司 | Steel pipe for manufacturing of concrete hole, preparation method and purpose thereof |
| CN104328912B (en) * | 2014-10-23 | 2016-07-20 | 苏交科集团股份有限公司 | The preparation method of a kind of steel pipe making concrete hole and using method |
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