CN103541551A - Construction structure suitable for super high-rise concrete-filled steel tubes and side throwing vibration-free method - Google Patents
Construction structure suitable for super high-rise concrete-filled steel tubes and side throwing vibration-free method Download PDFInfo
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- CN103541551A CN103541551A CN201210238576.2A CN201210238576A CN103541551A CN 103541551 A CN103541551 A CN 103541551A CN 201210238576 A CN201210238576 A CN 201210238576A CN 103541551 A CN103541551 A CN 103541551A
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Abstract
The invention discloses a side throwing vibration-free method suitable for super high-rise concrete-filled steel tubes. The method comprises the steps that multiple sections of steel tubes are fixed on a super high-rise building structure, and a pouring hole is formed in the side wall of the top of each section of steel tube; one end of each bend is extended into the corresponding pouring hole, and the other end of each bend is connected with a pumping system; concrete is poured in the steel tubes to a certain height; after a first time limit, the hardness of the concrete is detected, and maintenance liquid is injected; after a second time limit, the concrete is detected, and cleaning and plugging are conducted. The side throwing construction method of the super high-rise concrete-filled steel tubes is used in a side throwing construction structure of the super high-rise concrete-filled steel tubes. The side throwing construction structure comprises the multiple sections of steel tubes which are fixed on the super high-rise building structure, the pouring holes are formed in the top ends of the steel tubes, at least one ring plate is arranged on the inner sides of the steel tubes in the vertical direction, and a circle of air holes are formed in the ring plate. One end of each bend is placed in the steel tubes, the other end of each bend is connected with the pumping system, and monitoring devices are mounted on the inner sides of the steel tubes.
Description
Technical field
The present invention relates to building field, relate in particular to a kind of constructing structure and side throwing that is applicable to Super High steel pipe concrete and exempt from method of slight.
Background technology
Concrete filled steel tubular member, owing to having excellent strength and stiffness mechanical property, is applied among super highrise building in recent years more and more.At present the job practices of concrete filled steel tube mainly contains following three kinds: (1) vertical craft method of vibrating; (2) high throwing method; (3) press down lift-up method.For Super High encased structures, at present domestic is to adopt above-mentioned second method, i.e. " high position leaves method " more.---by tower crane and hopper, concrete handling to a steel tubular structure top high position is left, tamp.
This simple process, easy to operate, but but not completely applicable for Super High construction: first adopt tower crane handling concrete to occupy vertical transport resource, greatly affect the high-altitude handling efficiency of other goods and materials; Secondly steel framework lifting must wait for concrete all leave complete and reach some strength after can carry out, this will greatly affect the construction speed of main building critical circuits, increase along with height, the method on the duration to affect drawback more and more significant, for the encased structures that surpasses 200m, adopt " high position leaves method " technique will increase by 20% wait duration, this has also restricted the application of encased structures in super highrise building to a certain extent.
Summary of the invention
For the problem of above-mentioned existence, the present invention proposes a kind of new side throwing that is applicable to the construction of Super High steel pipe concrete and exempt from method of slight.Side throwing method is built concrete filled steel tube, has utilized pumped systems in floor to replace hopper, has reduced the dependence to tower crane, improved the vertical transport efficiency of material, it is built position and generally falls behind steel structure hoisting face and can not affected by steel structure hoisting, realizes interchange operation, accelerating construction progress.
The object of the invention is to be achieved through the following technical solutions:
The side of Super High steel pipe concrete is thrown and is exempted from a method of slight, wherein, comprises the following steps:
More piece is built to steel pipe in advance and be vertically fixed on successively on super-high building structure, at every joint, build in advance the top sidewall of steel pipe and open a pouring hole;
Make bend pipe, one end of described bend pipe is stretched in described pouring hole, the other end of bend pipe is connected with pumping system;
To described, build in advance concreting in steel pipe and, to predetermined altitude, stop pumping, take out described bend pipe;
After very first time boundary, check described hardness of building in advance steel pipe inner concrete, and inject maintenance liquid in described steel pipe;
After the second event horizon, check is built in advance the concrete in steel pipe and clears up and shutoff.
The above-mentioned side that is applicable to Super High steel pipe concrete is thrown and is exempted from method of slight, wherein, the described length of building in advance steel pipe of every joint is arranged on to 10-14m, and the diameter of described pouring hole is 180mm-220mm.
The above-mentioned side that is applicable to Super High steel pipe concrete is thrown and is exempted from method of slight, wherein, to described, is building in advance before steel pipe builds, and described building in advance, a camera head is set in steel pipe.
The above-mentioned side that is applicable to Super High steel pipe concrete is thrown and is exempted from method of slight, wherein, in the making step of described bend pipe, choose one section of pump line, in the one end near described pump line, to depart from the radially certain angle of described pump line, described pump line is cut into two sections, described two sections of pump lines are vertically connected, and the cut surface of described two sections of pump lines overlaps.
The side of steel pipe concrete is thrown a constructing structure, and wherein, described side is thrown constructing structure and used the side of above-mentioned arbitrary described Super High steel pipe concrete to throw job practices, and described side is thrown constructing structure and comprised:
More piece is built steel pipe in advance, and described more piece is built in advance steel pipe and is vertically fixed on successively on super-high building structure, on the top of described steel pipe, is provided with a pouring hole;
Ring flat-plate arranges at least one described ring flat-plate in described inner side vertical direction of building in advance steel pipe, at described ring flat-plate, is provided with a circle air-vent;
Bend pipe, one end of described bend pipe is placed in described steel pipe, and the other end of described bend pipe is connected with pumping system.
Monitoring device, described monitoring device is arranged on the described steel pipe inner side of building in advance, and described monitoring device is connected with described monitoring center.
The side of above-mentioned Super High steel pipe concrete is thrown constructing structure, wherein, also comprises liner plate, and described liner plate and described pouring hole are suitable, and described liner plate is arranged on the periphery of described pouring hole.
The side of above-mentioned Super High steel pipe concrete is thrown constructing structure, wherein, also comprises a plurality of excessive slurries hole, and described excessive slurry pore size distribution is built on steel pipe in advance described.
The side of above-mentioned Super High steel pipe concrete is thrown constructing structure, and wherein, the diameter in described excessive slurry hole is 20mm.
The side of above-mentioned Super High steel pipe concrete is thrown constructing structure, and wherein, the diameter of described air-vent is 40mm.
The present invention is that a kind of side of Super High steel pipe concrete is thrown constructing structure, and compared with the prior art, beneficial effect of the present invention is:
The first, adopt side throwing method to build concrete filled steel tube, its operating platform is positioned on the concrete floor of having built, and can greatly guarantee operator's safety.
The second, adopt side throwing method to build concrete filled steel tube, it is built position and generally falls behind steel structure hoisting face multilayer, therefore can not affected by steel structure hoisting, realizes interchange operation, accelerating construction progress.
The 3rd, adopt side throwing method to build concrete filled steel tube, utilized pumped systems in floor to replace hopper, reduced the dependence to tower crane, improved the vertical transport efficiency of material.
The 4th, utilize special elbow, to concrete, go out to manage direction and guide, guarantee that concrete falls along steel pipe center line, avoid Guan inner ring plate district to produce and pile up, affect compactness.
The 5th, utilize camera to building situation monitoring in managing, find in time special circumstances, and can monitor interior closely knit situation.
Accompanying drawing explanation
Fig. 1 is that method of slight FB(flow block) is exempted from the side throwing of a kind of Super High steel pipe concrete in the present invention;
Fig. 2 A-Fig. 2 C is the bend pipe preparation method step decomposing state schematic diagram in the present invention;
Fig. 3 is that the side of the Super High steel pipe concrete in the present invention is thrown the penstock installation schematic diagram in constructing structure;
Fig. 4 is the steel tubular structure schematic diagram that the side of the Super High steel pipe concrete in the present invention is thrown constructing structure;
Fig. 5 is that the side of the Super High steel pipe concrete in the present invention is thrown constructing structure schematic diagram.
The specific embodiment
Below in conjunction with schematic diagram and concrete operations embodiment, the invention will be further described.
As shown in fig. 1, a kind of side that is applicable to Super High steel pipe concrete is thrown and is exempted from method of slight, wherein, comprises the following steps:
Step S1: according to the height of building with build the factors such as demand, in the design stage of building in advance steel pipe, determine the length of each joint steel pipe, for example, at a super high rise building high building, carrying out steel pipe concrete builds, can using every three layers as the foundation of determining the length of a joint steel pipe, in one embodiment of the invention, every floor height of this high building is about 4m, three floors are high as the foundation of removing top steel pipe, the length of every joint steel pipe can be determined in the scope of 10m to 14m; Then, more piece is built to steel pipe in advance and be vertically fixed on super-high building structure successively, and open a pouring hole at the top of every joint steel pipe sidewall, its diameter is about 180mm-220mm;
Step S2 a: camera head is set in steel pipe, for monitoring steel duct situation;
Step S3: make a bend pipe, this bend pipe carries out side throwing concreting for realizing to steel pipe, one end of this bend pipe is stretched in the pouring hole of building in advance steel pipe, the other end of this bend pipe is connected with pumping system, by pumping system, to bend pipe, transport concrete, and concrete one end by bend pipe pours into steel duct the most at last;
In this step, can use the common pump line of a joint, on pump line, select a bit, to depart from the certain angle of diameter, cut tiltedly this pump line is divided into two sections, then these two sections of pump lines are vertically connected, and the cut surface of the inclined plane shape forming on every section of section pump line overlaps.As shown in Fig. 2 A-Fig. 2 C, in one embodiment of the invention, angle of inclination with 45 degree cuts into two sections of pump lines by pump line 6---the first pump line 61 and the second pump line 62, wherein, the first pump line 61 comprises one first inclined-plane 611, the second pump line 62 comprises one second inclined-plane 621, then by the upside of the first pump line 61 or any side of downside, be axle center, first pump line 180 degree that overturn are placed, then the first pump line 62 90-degree rotations, the first inclined-plane 611 is coincided and is connected with the second inclined-plane 621, and the angle of this first pump line 61 and the second pump line 62 is that 90 degree are vertically connected.
Step S4, waits for a period of time, and greatly after 6-8 hour, the hardness of check steel pipe inner concrete, carries out plucking processing and as maintenance liquid, carry out fencing lawn to the clear water that injects about 500ml in this concrete;
Step S5: more after a period of time, after 24-36 hour, the concrete surface quality in check steel pipe, carries out removing surface, then utilizes the steel plate of suitable size to carry out shutoff to this pouring hole greatly.
The present invention also comprises a kind of side throwing constructing structure of Super High steel pipe concrete, and wherein, this side is thrown the side throwing job practices that constructing structure is applicable to above-mentioned Super High steel pipe concrete, and particularly, this side is thrown constructing structure and comprised:
Shown in Fig. 1 and Fig. 2, more piece is built steel pipe 1 in advance, this more piece is built in advance steel pipe 1 and is vertically fixed on successively on super-high building structure 2, at the top of every joint steel pipe 1 sidewall, one pouring hole 3 is set, also comprise liner plate 31, this liner plate 31 is suitable with pouring hole 3, this liner plate 31 is arranged on to the periphery of pouring hole 3.In enforcement, according to the height of building with build the factors such as demand, in the design stage of building in advance steel pipe, determine the length of each joint steel pipe, for example, at a super high rise building high building, carry out steel pipe concrete and build, can using every three layers as the foundation of determining the length of a joint steel pipe, in one embodiment of the invention, every floor height of this high building is 4m left and right, using the high foundation as determining every joint steel pipe length of three floors, for example, the length of every joint steel pipe can be determined in the scope of 10m to 14m; Then, more piece is built to steel pipe 1 to be in advance vertically fixed on super-high building structure 2 successively, and the top sidewall of building in advance steel pipe 1 at every joint is opened a pouring hole, its diameter is about 180mm-220mm, periphery at pouring hole 3 arranges the annular liner plate 31 that an outer ring diameter is 700mm, and the endoporus of this liner plate 31 is aimed at setting with this pouring hole 3; In addition, this is built in advance on steel pipe 1 and also distributes and be provided with the excessive slurry hole 32 that a plurality of diameters are 20mm, can alleviate concrete and build in advance the interior mobile air pressure of steel pipe 1, and contribute to observe the situation of concreting by this slurry hole 32 of overflowing.
Further, this side is thrown constructing structure and is also comprised ring flat-plate 4, at least one this ring flat-plate 4 is set building in advance in the inner side vertical direction of steel pipe 1, and on ring flat-plate 4, be also provided with a circle air-vent 41, this air-vent 41 is approximately the hole of diameter 40mm, for reaching in concreting process, can make the concrete effect of secret room more.
Further, as shown in Figure 3, this side is thrown structure and is also comprised bend pipe 5, and one end of this bend pipe 5 is placed in builds in steel pipe 1 in advance, the other end is connected with pumping system, and, monitoring device (not shown) is also set in building in advance steel pipe 1, for example, one camera head, this camera head is arranged on the inner side of building in advance steel pipe 1, and this camera head is connected with monitoring center's (not indicating in figure), can monitor in real time steel pipe inner concrete build situation and casting process by this monitoring device.
Above specific embodiments of the invention be have been described in detail, but the present invention is not restricted to specific embodiment described above, it is just as example.To those skilled in the art, any equivalent modifications and alternative also all among category of the present invention.Therefore, equalization conversion and the modification done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (9)
1. a method of slight is exempted from the side throwing that is applicable to Super High steel pipe concrete, it is characterized in that, comprises the following steps:
More piece is built to steel pipe in advance and be vertically fixed on successively on super-high building structure, at every joint, build in advance the top sidewall of steel pipe and open a pouring hole;
Make bend pipe, one end of described bend pipe is stretched in described pouring hole, the other end of bend pipe is connected with pumping system;
To described, build in advance concreting in steel pipe and, to predetermined altitude, stop pumping, take out described bend pipe;
After very first time boundary, check described hardness of building in advance steel pipe inner concrete, and inject maintenance liquid in described steel pipe;
After the second event horizon, check is built in advance the concrete in steel pipe and clears up and shutoff.
2. the side that is applicable to Super High steel pipe concrete according to claim 1 is thrown and is exempted from method of slight, it is characterized in that, the described length of building in advance steel pipe of every joint is arranged on to 10-14m, and the diameter of described pouring hole is 180mm-220mm.
3. the side that is applicable to Super High steel pipe concrete according to claim 1 is thrown and is exempted from method of slight, it is characterized in that, to described, is building in advance before steel pipe builds, and described building in advance, a camera head is set in steel pipe.
4. the side that is applicable to Super High steel pipe concrete according to claim 1 is thrown and is exempted from method of slight, it is characterized in that, in the making step of described bend pipe, choose one section of pump line, in the one end near described pump line, to depart from the radially certain angle of described pump line, described pump line is cut into two sections, described two sections of pump lines are vertically connected, and the cut surface of described two sections of pump lines overlaps.
5. the side of Super High steel pipe concrete is thrown a constructing structure, it is characterized in that, described side is thrown constructing structure and used the side of arbitrary described Super High steel pipe concrete in the claims 1-4 to throw job practices, and described side is thrown constructing structure and comprised:
More piece is built steel pipe in advance, and described more piece is built in advance steel pipe and is vertically fixed on successively on super-high building structure, on the top of described steel pipe, is provided with a pouring hole;
Ring flat-plate arranges at least one described ring flat-plate in described inner side vertical direction of building in advance steel pipe, at described ring flat-plate, is provided with a circle air-vent;
Bend pipe, one end of described bend pipe is placed in described steel pipe, and the other end of described bend pipe is connected with pumping system;
Monitoring device, described monitoring device is arranged on the described steel pipe inner side of building in advance, and described monitoring device is connected with described monitoring center.
6. the side of Super High steel pipe concrete according to claim 5 is thrown constructing structure, it is characterized in that, also comprise liner plate, described liner plate and described pouring hole are suitable, and described liner plate is arranged on the periphery of described pouring hole.
7. the side of Super High steel pipe concrete according to claim 5 is thrown constructing structure, it is characterized in that, also comprise a plurality of excessive slurries hole, described excessive slurry pore size distribution is built on steel pipe in advance described.
8. the side of Super High steel pipe concrete according to claim 7 is thrown constructing structure, it is characterized in that, the diameter in described excessive slurry hole is 20mm.
9. the side of Super High steel pipe concrete according to claim 5 is thrown constructing structure, it is characterized in that, the diameter of described air-vent is 40mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210238576.2A CN103541551B (en) | 2012-07-11 | 2012-07-11 | Construction structure suitable for super high-rise concrete-filled steel tubes and side throwing vibration-free method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210238576.2A CN103541551B (en) | 2012-07-11 | 2012-07-11 | Construction structure suitable for super high-rise concrete-filled steel tubes and side throwing vibration-free method |
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| CN103541551A true CN103541551A (en) | 2014-01-29 |
| CN103541551B CN103541551B (en) | 2015-06-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681137A (en) * | 2020-12-15 | 2021-04-20 | 中建五局土木工程有限公司 | Concrete distribution method for post-cast strip of track beam |
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| CN201554155U (en) * | 2009-07-31 | 2010-08-18 | 广州市建筑机械施工有限公司 | Steel pipe concrete column structure |
| CN202039606U (en) * | 2011-04-27 | 2011-11-16 | 中天建设集团有限公司 | Concrete pump pipe fixing structure of super high rise building construction |
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Patent Citations (3)
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| CN201554155U (en) * | 2009-07-31 | 2010-08-18 | 广州市建筑机械施工有限公司 | Steel pipe concrete column structure |
| CN202039606U (en) * | 2011-04-27 | 2011-11-16 | 中天建设集团有限公司 | Concrete pump pipe fixing structure of super high rise building construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112681137A (en) * | 2020-12-15 | 2021-04-20 | 中建五局土木工程有限公司 | Concrete distribution method for post-cast strip of track beam |
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