CN202248279U - Concrete overflow time controlling rod for steel pipe concrete jacking construction process - Google Patents
Concrete overflow time controlling rod for steel pipe concrete jacking construction process Download PDFInfo
- Publication number
- CN202248279U CN202248279U CN2011204113763U CN201120411376U CN202248279U CN 202248279 U CN202248279 U CN 202248279U CN 2011204113763 U CN2011204113763 U CN 2011204113763U CN 201120411376 U CN201120411376 U CN 201120411376U CN 202248279 U CN202248279 U CN 202248279U
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- concrete
- steel pipe
- rod
- overflow
- connecting line
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Abstract
The utility model discloses a concrete overflow time controlling rod for a steel pipe concrete jacking construction process. The controlling rod comprises a rod body and a connecting line, wherein the connecting line is arranged on the top of the rod body; and the bottom of the rod body is sealed. Through the designed concrete overflow time controlling rod special for the steel pipe concrete jacking construction process, the time that concrete overflows from an overflow hole can be conveniently pre-controlled by an operator, problems caused by overflow of the concrete are solved, meanwhile, site construction is facilitated, and the construction efficiency is improved.
Description
Technical field
The utility model relates to a kind of parts that are used for concrete filled steel tube jack-up construction technology, is specifically related to a kind of concrete overflow time control lever that is used for concrete filled steel tube jack-up construction technology.
Background technology
Concrete filled steel tube jack-up construction technology is a kind of concrete placing of in steel pipe, filling out, and utilizes the pumping pressure of concrete pump that self-compacting concrete is poured into from the steel pipe column bottom, until a kind of concrete without vibration job practices of filling with whole steel pipe column.This construction technology need not to vibrate when construction, relies on jacking extruding nature closely knit, leaves the without vibration method with a high position and compares, and can effectively avoid defectives such as steel pipe column inner concrete leakiness, segregation, guarantees that concrete quality adheres to specification; In addition, this technology can be disposable with the concrete lift-up in the steel core concrete column to desired height, can reduce process links, reduce labour intensity, accelerating construction progress.The concrete filled steel tubular member that makes has thus overcome the danger of the easy local buckling of steel pipe column, and rust-proofing simultaneously, fire resistance also strengthen greatly, have good stress performance and workability; And easy construction, the duration shortens greatly; Help the anti-fire and the fire prevention of steel pipe; Decay resistance is superior to steel work.Therefore, the application in high level and large-sized workshop engineering construction of concrete filled steel tube jack-up construction technology and concrete filled steel tubular member more and more widely.
Existing concrete filled steel tube jack-up construction technology is: concrete pump selection → design of concrete → fabrication and installation feed conduit → concrete fixed pump is connected with feed conduit → stop 2 ~ 3min after jacking → voltage stabilizing after material loading pumping, jacking concrete → concrete overflows, close charging aperture valve → dismantling concrete delivery pump → dismounting bleed off pipe, hole floating → remove charging aperture valve → repair welding shrouding after the concrete final set.Generally speaking, before construction, need open 2 steam vents by design drawing, and 2 length are installed is the steel pipe about 250 mm, as steam vent and spout hole in the concrete filled steel tube column top.The effect of spout hole is that unnecessary concrete overflows after supplying concrete to fill up steel pipe, thereby judges the construction completion.
Yet, find that in actual job because the length of existing steel pipe is generally all longer, and according to different construction sites and condition, concrete rate of pumping also has difference, therefore is difficult to confirm the time of concrete lift-up.And in the jacking process; Concrete is " gush shape " and rises in steel pipe, in case do not note observing, concrete will overflow from steel pipe; Not only influenced construction; Cause concrete waste, and the concrete that overflows also can pollute surrounding environment and mounted steel work, and make troubles for follow-up removing.
Summary of the invention
The utility model purpose provides a kind of concrete overflow time control lever that is used for concrete filled steel tube jack-up construction technology, overflows to prevent concrete.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of concrete overflow time control lever that is used for concrete filled steel tube jack-up construction technology, comprise the body of rod and connecting line, and said connecting line is located at the top of the body of rod; The bottom seal of the body of rod.
In the preceding text, an end of said connecting line is connected with the body of rod, and the other end can be connected in the top of steel pipe or overflow on the steel pipe, thereby the body of rod is hung in steel pipe, plays and whether surveys concrete near the effect of overflowing.
In the technique scheme, the bottom of the said body of rod is provided with the chassis.The effect on chassis is to increase lifting surface area, makes the body of rod be easier to eject, and prevents that the body of rod from sinking in the concrete.Preferably, the shape on chassis is the circular arc of indent.
In the technique scheme, the length of the said body of rod is 0.8 ~ 1.5 m.
In the technique scheme, the length of said connecting line is 0.2 ~ 0.3 m.
The operating principle of the utility model is: before concrete lift-up; The body of rod of the utility model hung through connecting line (end of connecting line is connected with the body of rod in steel pipe; The other end can be connected in the top of steel pipe or overflow on the steel pipe), and make the top of the body of rod concordant with spout hole; Need only the top of observing steel pipe at any time in the work progress; When the body of rod of concrete overflow time control lever is slowly ejected; Operating personnel just can be controlled the time that concrete overflows in advance from spout hole, when concrete overflows back voltage stabilizing 1 ~ 2min from the overflow hole, stop pumping, jacking and build.
Because the technique scheme utilization, the advantage that the utility model compared with prior art has is:
1, the utility model design has obtained being specifically designed to the concrete overflow time control lever of concrete filled steel tube jack-up construction technology, can the handled easily personnel control the time that concrete overflows in advance from spout hole, has avoided concrete to overflow and has brought problem; Simultaneously also make things convenient for site operation, improved efficiency of construction.
2, the utility model is simple in structure, is easy to preparation, is specially adapted to the superelevation large diameter steel pipe, has active operation significance.
Description of drawings
Fig. 1 is the user mode figure of the utility model embodiment one.
Wherein: 1, the body of rod; 2, connecting line; 3, steel pipe; 4, spout hole.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Embodiment one
Referring to shown in Figure 1, a kind of concrete overflow time control lever that is used for concrete filled steel tube jack-up construction technology comprises the body of rod 1 and connecting line 2, and said connecting line is located at the top of the body of rod; The bottom seal of the body of rod.
The length of the said body of rod is 1 m.The length of said connecting line is 0.25 m.
The said body of rod can adopt the PVC plastic pipe of diameter 25cm, and an end of plastic pipe is fastened the long nylon rope (being connecting line) of 25 cm that hangs with counterweight, and the other end seals with plastic cap.
Before the jacking concrete, hang over overflow steel pipe mouth in it, the time of coming control concrete in advance from the overflow hole, to overflow.
Concrete operations are following: before the jacking concrete, in steel pipe 3, put into overflow time control lever; Make the control lever upper end suitable for reading concordant with spout hole; When the slowly emersion from overfall of 1 meter long concrete overflow time control lever; Operating personnel just can be controlled the time that concrete overflows in advance from the overflow hole, when concrete overflows back voltage stabilizing 1 ~ 2min from spout hole 4, stop pumping, jacking and build.Treat the back flashboard of insertion flow-stop valve fast, the concrete lift-up pouring construction finishes, and simultaneously at flexible pipe of overflow steel pipe termination, prevents that the overflow concrete from spraying, and pollutes mounted steel work everywhere.Concreting finishes behind 30 min, observes the capital concrete and has or not and fall after rise, and if any sinking, adopts artificial teeming capital concrete.Treat back dismounting overflow steel pipe, after concreting finishes 30 min, observe this engineering capital concrete and all do not have the sinking of falling after rise, close a position floating to the capital concrete by the operative employee.
Claims (4)
1. concrete overflow time control lever that is used for concrete filled steel tube jack-up construction technology, it is characterized in that: comprise the body of rod (1) and connecting line (2), said connecting line is located at the top of the body of rod; The bottom seal of the body of rod.
2. the concrete overflow time control lever that is used for concrete filled steel tube jack-up construction technology according to claim 1, it is characterized in that: the bottom of the said body of rod is provided with the chassis.
3. the concrete overflow time control lever that is used for concrete filled steel tube jack-up construction technology according to claim 1, it is characterized in that: the length of the said body of rod is 0.8 ~ 1.5 m.
4. the concrete overflow time control lever that is used for concrete filled steel tube jack-up construction technology according to claim 1, it is characterized in that: the length of said connecting line is 0.2 ~ 0.3 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204113763U CN202248279U (en) | 2011-10-25 | 2011-10-25 | Concrete overflow time controlling rod for steel pipe concrete jacking construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204113763U CN202248279U (en) | 2011-10-25 | 2011-10-25 | Concrete overflow time controlling rod for steel pipe concrete jacking construction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202248279U true CN202248279U (en) | 2012-05-30 |
Family
ID=46109541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204113763U Expired - Lifetime CN202248279U (en) | 2011-10-25 | 2011-10-25 | Concrete overflow time controlling rod for steel pipe concrete jacking construction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202248279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147578A (en) * | 2013-03-22 | 2013-06-12 | 中冶南方工程技术有限公司 | Concrete filled steel tube factory building column excessively grouted cylinder |
| CN112359655A (en) * | 2020-09-27 | 2021-02-12 | 北京鸿锐嘉科技发展有限公司 | Ballastless track self-compacting concrete pouring intelligent management system and pouring method |
-
2011
- 2011-10-25 CN CN2011204113763U patent/CN202248279U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147578A (en) * | 2013-03-22 | 2013-06-12 | 中冶南方工程技术有限公司 | Concrete filled steel tube factory building column excessively grouted cylinder |
| CN112359655A (en) * | 2020-09-27 | 2021-02-12 | 北京鸿锐嘉科技发展有限公司 | Ballastless track self-compacting concrete pouring intelligent management system and pouring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 215008, No. 380 Tong Jing North Road, Suzhou District, Jiangsu, Suzhou Patentee after: ZHONGYIFENG CONSTRUCTION GROUP CO., LTD. Address before: 215131 No. 88, Yang Cheng Road, Xiangcheng Economic Development Zone, Jiangsu, Suzhou Patentee before: Suzhou Erjian Construction Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |