CN202401668U - Concrete column structure of steel pipe - Google Patents
Concrete column structure of steel pipe Download PDFInfo
- Publication number
- CN202401668U CN202401668U CN2011205680658U CN201120568065U CN202401668U CN 202401668 U CN202401668 U CN 202401668U CN 2011205680658 U CN2011205680658 U CN 2011205680658U CN 201120568065 U CN201120568065 U CN 201120568065U CN 202401668 U CN202401668 U CN 202401668U
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- steel pipe
- concrete
- partition board
- transverse partition
- concrete column
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Abstract
The utility model relates to a concrete column structure of a steel pipe, which aims at solving the technical problems that after a transverse partition board of the like product is arranged, compactness of concrete under the partition board is poor, and construction is inconvenient. The concrete column structure of the steel pipe comprises the steel pipe, and a transverse partition board with pouring holes is arranged in the steel pipe. The concrete column structure of the steel pipe is characterized in that a water seepage hole is arranged on the wall of the steel pipe and located below the connection portion of the transverse partition board and the wall of the steel pipe, the water seepage hole is connected with the periphery of the bottom of the transverse partition board, and a triangular ventilating hole is arranged on the transverse partition board. By means of the water seepage hole structure, air cavities are not apt to form under the transverse partition board in pouring, and air and surplus water can be drained conveniently. The concrete column structure is simple in structure and convenient to construct, can effectively improve pouring compactness of concrete in the steel pipe, can further reduce construction difficulty and improve construction efficiency and is particularly suitable for concrete pouring of the existing steel pipes with transverse stiffening plates or structure improvement of concrete columns of the same kind.
Description
Technical field
The utility model relates to steel core concrete column, is a kind of concrete filled steel tube rod structure.
Background technology
The construction of domestic city super highrise building development at present is very swift and violent; Steel core concrete column be a kind of be the combining structure of one with steel tubular structure and reinforced concrete structure advantages, it has been widely used in the super-high building structure as important bearing carrier.Steel core concrete column mainly bears the vertical load of building, and up to hundreds of even last kiloton, so the compactness of steel pipe inner concrete is related to the safety of whole super-high building structure system supporting capacity.
Because structure stress or structure need, need in steel pipe, to be provided with the certain thickness steel plate of laterally putting more energy into of multiple tracks (or claiming lateral partitions) in the structure design, its cross section is identical with steel tube section, stiffener periphery and steel pipe inside wall full weld.Laterally in the middle of the stiffener pouring hole of certain size is set so that concrete pours into and vibrating spear stretches into and carries out concrete compaction in the steel pipe and vibrate.
Application for a patent for invention publication No. CN 101956457 A like Chinese patent document publication; Date of publication on January 26th, 2011; Denomination of invention is " a kind of rectangular steel-tube concrete column construction ", and in this construction, the steel pipe inner concrete takes vertical craft to water the method for smashing; Placement layer by layer, vibrate lift height 1 ~ 1.5m.And when clapboard spacing during less than 1m, this casting method can not guarantee the compactness of dividing plate base concrete.And for example application for a patent for invention publication number CN 101319550 A of Chinese patent document publication disclose day on December 10th, 2008, and denomination of invention is " casting method of steel core concrete column "; This method is to adopt in the steel pipe to pour water earlier; Again with conduit at the bottom of the stake, concrete vibrates with vibrator while pouring into a mould in conduit pours into steel pipe; Repeat to promote, pour into a mould, until being poured into the stake top.The straight pipe that the method for smashing is applicable to no dividing plate in the steel pipe is watered in this vertical craft, and has the after-treatment to priming petock, and construction sequence is comparatively loaded down with trivial details.Notice of authorization CN 201835439 U that also publish just like the Chinese patent document; May 18 2011 notice of authorization day; The utility model name is called " a kind of steel core concrete column "; Its major technique is a welding transversely strengthening plate between steel pipe and interior stay pipe, and concreting, and cavity is threaded a pipe.This theoretical method is feasible, can implement but to have tangible drawback, and gusset plate and steel pipe, interior stay pipe welding quality are difficult for guaranteeing in the pipe, and the comparatively difficulty of welding of constructing, and concrete density also is difficult to guarantee under the gusset plate.
In sum, the constructing structure of existing steel core concrete column is further improved.
Summary of the invention
For overcoming above-mentioned deficiency, the purpose of the utility model is to this area a kind of concrete filled steel tube rod structure to be provided, and is after lateral partitions is set, to be prone to the technical problem that concrete density is relatively poor, construction is comparatively inconvenient to solving existing like product.Its objective is and realize through following technical scheme.
This concrete filled steel tube rod structure comprises steel pipe, is provided with the lateral partitions in Strip casting hole in the steel pipe; Its structural feature is that said steel pipe walls is provided with the bleeding hole, and the bleeding hole is positioned at the below of lateral partitions and steel pipe walls joint, and the bottom edge of bleeding hole and lateral partitions is joined.Through this kind bleeding pore structure is set, make lateral partitions below when building, be difficult for forming air chamber, be convenient to the discharge of gas and excessive moisture, help improving the safety of concrete compactness when building and construction.
Said bleeding hole is that the side face along steel pipe walls evenly distributes, and makes that steel pipe inner concrete compactness is comparatively even after moisture and the air scavenge.Said bleeding hole is provided with at least four, and under the permissive condition of steel strength influence, suitably increase in the bleeding hole, helps draining, exhaust.
The side face of said lateral partitions is laid with the triangle air-vent; Through side face the triangle air-vent is set in lateral partitions; Its main purpose is not form air chamber in order to make between dividing plate and the steel pipe inwall, thereby in concreting process, helps the abundant release of gas.In addition, this design also is that the bleeding hole that is provided with the steel pipe wall adapts, to reach better exhaust effect.Also meet when building simultaneously, concrete be from the plug hole of lateral partitions to around process of flowing.
The aperture in said bleeding hole is 15～25mm, and through practice, effect was better when the aperture was 20mm.
The casting method of this concrete filled steel tube rod structure is: during said concreting, adopt placement layer by layer, build at every turn and highly be controlled at 0.8～1.0m, when treating that first floor concreting finishes, carry out vibrating the first time, carry out the second layer after vibrating and build; Carry out the second layer when building; One deck LIFT 10～20cm deep-seated was put and is vibrated before vibrating spear inserted, and built beginning from the second layer, whenever building to apart from 10～20cm place, lateral partitions below the time; Time-out vibrates; After treating that bubble is fully discharged in the concrete, proceed to build and the operation of vibrating, ensuing build and vibrate the operation identical with the mode of building the second layer; When building to the steel pipe column top, treat this time vibrate finish after, wait for and to build, to mend behind 20～40min flat, promptly accomplish the work progress of this concrete filled steel tube rod structure.This casting method is applied widely, and it is comparatively convenient to build.
The utility model structure and form of construction work are comparatively simple; Can not only effectively improve the compactness that the steel pipe inner concrete is built, can also reduce the difficulty of construction, improve efficiency of construction; Especially be fit to existing concreting with horizontal stiffener steel pipe, or the architecture advances of similar concrete column.
Description of drawings
Fig. 1 is the structural representation that the steel pipe of the utility model is connected with lateral partitions, and part has been done to analyse and observe among the figure.
Fig. 2 is the steel duct sectional structure sketch map of the utility model.
The name of sequence number is called among the figure: 1, steel pipe, 101, the bleeding hole, 2, lateral partitions, 201, plug hole, 202, the triangle air-vent.
The specific embodiment
Combine accompanying drawing at present, the utility model is further described.
As shown in Figure 1; This concrete filled steel tube rod structure comprises steel pipe 1; And place in the steel pipe lateral partitions 2 with the steel pipe walls welding; Along the circumferential direction be uniformly distributed with 4～16 bleeding holes 101 on the steel pipe walls, the lateral partitions middle part is provided with plug hole 201, and the lateral partitions side face is provided with 6～20 triangle air-vents 202.Fig. 2 is the embodiment as the utility model, and among this embodiment, the bleeding hole is the joint below that is arranged at lateral partitions and steel pipe, and bleeding hole and lateral partitions bottom edge are joined.In the process of building, because concrete is the plug hole injection from lateral partitions, concrete is mobile along all around from the plug hole of lateral partitions; Fill gradually; Because of leaving the triangle air-vent that can ventilate in the lateral partitions and the steel pipe welding position of the utility model, and steel pipe walls is provided with the bleeding hole adjacent with lateral partitions, so lateral partitions and steel pipe walls do not form air chamber in the welding position; Gas in the concrete discharges through triangle air-vent, bleeding hole; And the excessive moisture in the concrete also can be discharged from the bleeding hole, thereby effectively improves the compactness of concreting, guarantees construction quality.
In conjunction with above-mentioned concrete filled steel tube rod structure, the casting method of concrete filled steel tube rod structure is done corresponding the description.
The casting method of the utility model is mainly: at first, build the concrete of removing stone with label apart from bottom 10cm place toward steel pipe.Next the high casting method of throwing of employing, and combination vibrating spear is assisted and is built.When building, adopt placement layer by layer, build at every turn and highly be controlled at 80～100cm, when treating that first floor concreting finishes, carry out vibrating the first time, vibrating time is 1min, with no bubble emerge, concrete surface no longer obviously descends and is as the criterion.When the beginning second layer when building, vibrating spear is inserted into following LIFT (first LIFT) 10～20cm place vibrates, let the bubble in the concrete of following LIFT fully drain, let the concrete of two-step pouring better combine simultaneously.From building for the second time beginning, vibrate whenever building to suspend to apart from lateral partitions below 20cm height the time, be beneficial in the concrete bubble and fully discharge.The mode of more next, building according to the second layer continues to build.When building, and vibrate for the last time when finishing, wait for and do the last flat operation of building, mend behind the 30min, to accomplish the whole process of building of this concrete column to steel pipe top.
Because outside temperature is higher when building steel core concrete column, utilize gunnysack to swathe steel pipe before therefore building, and water the water-wet gunnysack and make the steel tube surface cooling, fully guarantee the concrete quality in the steel pipe column.Build and accomplish continuous water seasoning 3～7 d in back, can be delivered for use.
Claims (5)
1. concrete filled steel tube rod structure, this concrete filled steel tube rod structure comprises steel pipe (1), is provided with the lateral partitions (2) of Strip casting hole (201) in the steel pipe; It is characterized in that said steel pipe (1) wall is provided with bleeding hole (101), the bleeding hole is positioned at the below of lateral partitions (2) and steel pipe walls joint, and the bottom edge of bleeding hole and lateral partitions is joined.
2. according to the said concrete filled steel tube rod structure of claim 1, it is characterized in that said bleeding hole (101) evenly distributes along the side face of steel pipe (1) wall.
3. according to claim 1 or 2 said concrete filled steel tube rod structures, it is characterized in that said bleeding hole (101) is provided with at least four.
4. according to the said concrete filled steel tube rod structure of claim 1, it is characterized in that the side face of said lateral partitions (2) is laid with triangle air-vent (202).
5. according to the said concrete filled steel tube rod structure of claim 1, the aperture that it is characterized in that said bleeding hole (101) is 15～25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205680658U CN202401668U (en) | 2011-12-30 | 2011-12-30 | Concrete column structure of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205680658U CN202401668U (en) | 2011-12-30 | 2011-12-30 | Concrete column structure of steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202401668U true CN202401668U (en) | 2012-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205680658U Expired - Fee Related CN202401668U (en) | 2011-12-30 | 2011-12-30 | Concrete column structure of steel pipe |
Country Status (1)
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| CN (1) | CN202401668U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535746A (en) * | 2011-12-30 | 2012-07-04 | 宁波建工股份有限公司 | Concrete-filled steel tube column and casting method thereof |
| CN102877596A (en) * | 2012-10-17 | 2013-01-16 | 太原理工大学 | Steel pipe and concrete combined anti-collision column and preparation method thereof |
| CN105064578A (en) * | 2015-08-12 | 2015-11-18 | 广东省建筑设计研究院 | Full-web type steel box transfer beam and connecting structure of full-web type steel box transfer beam and reinforced concrete shear wall |
| CN110306806A (en) * | 2019-07-25 | 2019-10-08 | 中国三冶集团有限公司 | A kind of steel pipe column concrete lifting tamping equipment and pouring method |
| CN117627278A (en) * | 2024-01-24 | 2024-03-01 | 中国船舶集团国际工程有限公司 | Concrete filled steel tubular column with concrete shrinkage ring resisting device and installation method |
| CN117627278B (en) * | 2024-01-24 | 2024-04-26 | 中国船舶集团国际工程有限公司 | Concrete filled steel tubular column with concrete shrinkage ring resisting device and installation method |
-
2011
- 2011-12-30 CN CN2011205680658U patent/CN202401668U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535746A (en) * | 2011-12-30 | 2012-07-04 | 宁波建工股份有限公司 | Concrete-filled steel tube column and casting method thereof |
| CN102877596A (en) * | 2012-10-17 | 2013-01-16 | 太原理工大学 | Steel pipe and concrete combined anti-collision column and preparation method thereof |
| CN105064578A (en) * | 2015-08-12 | 2015-11-18 | 广东省建筑设计研究院 | Full-web type steel box transfer beam and connecting structure of full-web type steel box transfer beam and reinforced concrete shear wall |
| CN110306806A (en) * | 2019-07-25 | 2019-10-08 | 中国三冶集团有限公司 | A kind of steel pipe column concrete lifting tamping equipment and pouring method |
| CN110306806B (en) * | 2019-07-25 | 2023-12-26 | 中国三冶集团有限公司 | Steel pipe column concrete jacking and vibrating device and jacking and pouring method |
| CN117627278A (en) * | 2024-01-24 | 2024-03-01 | 中国船舶集团国际工程有限公司 | Concrete filled steel tubular column with concrete shrinkage ring resisting device and installation method |
| CN117627278B (en) * | 2024-01-24 | 2024-04-26 | 中国船舶集团国际工程有限公司 | Concrete filled steel tubular column with concrete shrinkage ring resisting device and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170206 Address after: Jiangdong District 315040 Zhejiang city of Ningbo Province Ning Chuan Road No. 538 Patentee after: NINGBO JIANGONG ENGINEERING GROUP CO., LTD. Address before: 315040 Zhejiang Province, Ningbo City Jiangdong District Xingning Road No. 46 Patentee before: Ningbo Construction Co., Ltd. |
|
| 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: 20120829 Termination date: 20191230 |