CN107663927B - A kind of regeneration concrete steel structural upright column and its construction technology - Google Patents
A kind of regeneration concrete steel structural upright column and its construction technology Download PDFInfo
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- CN107663927B CN107663927B CN201710856169.0A CN201710856169A CN107663927B CN 107663927 B CN107663927 B CN 107663927B CN 201710856169 A CN201710856169 A CN 201710856169A CN 107663927 B CN107663927 B CN 107663927B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
- C04B18/167—Recycled materials, i.e. waste materials reused in the production of the same materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
A kind of regeneration concrete steel structural upright column, including substrate, erectting on substrate has steel pipe, several branch pipes are distributed in the circumferential surface of steel pipe, and branch pipe is connected with steel duct, and the lower end of branch pipe is mutually fixed with substrate, the inside of steel pipe is filled with regeneration concrete, is fixed with the plate that binds at the top of steel pipe.Since the flexibility of steel pipe is stronger, and regeneration concrete is filled into steel pipe, in this way can one side steel pipe can envelope regeneration concrete, be conducive to that concrete block is overcome to impact the solidification of regeneration concrete, on the other hand after regeneration concrete solidification, its intensity that can enhance steel pipe and hardness, to also be advantageous for improving steel pipe weight bearing ability.Furthermore since branch pipe and steel pipe are perforations, such regeneration concrete can also be entered in branch pipe by steel pipe, to can also enhance the intensity of branch pipe.And since branch pipe is arranged along the circumferential surface of steel pipe, so that branch pipe can also play a supporting role to steel pipe, further enhance the weight bearing ability of branch pipe.
Description
Technical field
The present invention relates to building structure field, in particular to a kind of regeneration concrete steel structural upright column and its construction technology.
Background technique
With the fast development of this several years domestic real estate industries, the building of house tear open be in it is a kind of quickly update when
Phase.However during this, during old house is pushed over dismounting, a large amount of building waste will be often generated, wherein just
Significant portion is concrete block.
If the direct entrucking of these concrete blocks to be transported to remote sites and carries out toppling over landfill, will often it occupy
A large amount of land area to will result in being largely lost for land resource, and is also easy to make water source, soil and environment etc.
At different degrees of pollution.
In addition, China's building trade is quickly grown now, concrete is huge as main construction material consumption, and mixes
Aggregate in solidifying soil raw material needs to take stone, the naughty river sand that digs to obtain by cutting into a mountain.The consumption of a large amount of aggregate can not be kept away
That exempts from will lead to environmental disruption and resource consumption.And cement required for concrete is manufactured, can be discharged in process of production big
The polluted gas and powder of amount, to will also result in environmental pollution.
Therefore, how to re-apply concrete block is major issue urgently to be resolved in present building trade.
Summary of the invention
The purpose of the present invention is to provide a kind of regeneration concrete steel structural upright column and its construction technologies, can not only mention
The regeneration efficiency of high concrete block, while decreasing the pollution to environment.
Above-mentioned purpose of the invention has the technical scheme that a kind of regeneration concrete steel construction is vertical
Column, it is characterised in that: including substrate, erectting on the substrate has steel pipe, and several branch pipes are distributed in the circumferential surface of the steel pipe, described
Branch pipe is connected with steel duct, and the lower end of the branch pipe is mutually fixed with substrate, and the inside of the steel pipe is filled with regeneration coagulation
Soil is fixed with the plate that binds at the top of the steel pipe.
By using above-mentioned technical proposal, since the flexibility of steel pipe itself compares strong, and regeneration concrete is inserted
Into steel pipe, in this way can one side steel pipe can envelope regeneration concrete, be conducive to overcome concrete block to regeneration coagulation
The solidification of soil impacts, and on the other hand after regeneration concrete solidifies, can enhance the intensity and hardness of steel pipe, thus
Also it is advantageous for improving steel pipe weight bearing ability.
Furthermore since branch pipe and steel pipe are perforations, such regeneration concrete can also be entered in branch pipe by steel pipe,
To can also enhance the intensity of branch pipe.And since branch pipe is arranged along the circumferential surface of steel pipe, so that branch pipe also can to steel pipe
It enough plays a supporting role, further enhances the weight bearing ability of branch pipe.
Preferably, accessory plate is equipped between the top of the steel pipe and the plate that binds, the accessory plate is made into integration with steel pipe,
The accessory plate connects with steel duct, and the accessory plate is mutually fixed with the plate that binds.
By using above-mentioned technical proposal, it is on the one hand capable of increasing the fixed-area to bind between plate and steel pipe in this way, separately
On the one hand binding plate and steel pipe can be more by the way of during fixation, and operating space is bigger, thus operates
Also with regard to enhanced convenience.
Preferably, the accessory plate is obliquely installed to the nozzle inside of steel pipe equipped with guide plate, and the guide plate is along steel pipe
Nozzle it is equally distributed.
By using above-mentioned technical proposal, such regeneration concrete can obtain drawing for guide plate when being added in steel pipe
It leads, regeneration concrete is laid in steel pipe more uniform, to reduce the time of subsequent construction.
Preferably, the guide plate is less than the length of steel pipe inside radius along the length of steel pipe radial direction.
By using above-mentioned technical proposal, accordingly even when guide card in the pushing by regeneration concrete and on translate into plane,
Guide card will not be caused to impact push rod course of exerting pressure, to be conducive to facilitate being normally carried out for the pressure of push rod.
Preferably, the regeneration concrete, according to parts by weight, including following components, 230~380 parts of cement, miberal powder 42
~73 parts, 55~105 parts of flyash, 40~80 parts of bentonite, 56~94 parts of vermiculite rubble, 860~1040 parts of concrete block, sand
Sub 530~750 parts, 53~87 parts of grinding wheel ash, 7~11 parts of composite water-reducing agent, 3~5 parts of air entraining agent, 2~4 parts of accelerator, water 200
~300 parts.
Preferably, the regeneration concrete, according to parts by weight, including following components, 300 parts of cement, 58 parts of miberal powder, powder
80 parts of coal ash, 60 parts of bentonite, 75 parts of vermiculite rubble, 950 parts of concrete block, 640 parts of sand, grinding wheel grey 70 parts, compound diminishing
9 parts of agent, 4 parts of air entraining agent, 3 parts of accelerator, 250 parts of water.
By using above-mentioned technical proposal, by bentonite together with cement mixing, the dosage of cement can be reduced in this way.
Also, after bentonite is with cement mixing, so that concrete has stronger plasticity and cohesiveness before unhardened, thus
Whole tensile strength after concrete hardening can be enhanced, reduce the difficulty of construction of concrete.
Simultaneously as the main ingredient of grinding wheel ash is corundum, silicon carbide and ferroso-ferric oxide, and corundum is a kind of air-tightness
Good material, and since grinding wheel ash is grinding wheel to generating after metal polishing, so its fineness is substantially on a 300 mesh left side
The right side is inserted in this way in the raw material of concrete, and random seam between cement, bentonite and kaolin can be fully filled up
Gap is just more advantageous to form a large amount of small, closings, stable bubble in this way after air entraining agent introduces air into concrete, from
And also just improve the cryoprotective effects of concrete.And corundum is due to itself having that intensity is big, hardness is high and good heat insulating etc.
Feature not only increases concrete integral strength in this way, while also reducing probability of the concrete internal temperature by external interference.
Preferably, the composite water-reducing agent is the mixed of sodium gluconate, calcium gluconate and melamino-formaldehyde condensation polymer
Object is closed, the weight ratio of the sodium gluconate, calcium gluconate and melamino-formaldehyde condensation polymer is 5: 3: 2.
By using above-mentioned technical proposal, herein, other than sodium gluconate is good water-reducing agent, melamino-formaldehyde
Condensation polymer is also a kind of good water-reducing agent, and its at low temperature in the case of also have rush for the ability to cure of regeneration concrete
Into.Also, along with calcium gluconate also has a good induration, three's substance with weight ratio be 5: 3: 2 form into
Row mixing, can suitably overcome the stronger deferred action of sodium gluconate, such regeneration concrete after short distance transportation,
It can guarantee good plasticity.And can be hardened faster again within the short time after construction, to ensure that regeneration is mixed
Solidifying soil can also have good anti-freezing property in cold environment.
Preferably, the accelerator be polyaluminium sulfate, sodium aluminate and calcium carbonate mixture, the polyaluminium sulfate,
The weight ratio of sodium aluminate and calcium carbonate is 4: 2: 3.
By using above-mentioned technical proposal, polyaluminium sulfate is composite polymer polymer, and molecular structure is huge, and
It all has strong characterization of adsorption with sodium aluminate, so as to which the raw material of regeneration concrete gathers together, to be conducive to again
Growing concrete can harden faster under cold environment, reduce excessive difference variation and be solidified into regeneration concrete
Shape impacts.And calcium carbonate not only plays the role of rapid hardening, while being also easy to decompose during preparing concrete
It reacts and generates carbon dioxide gas, to also just reduce the use of air entraining agent.In addition, calcium carbonate also have it is good heat-insulated
Effect, thus the energy that the temperature resistance for also just improving the heat insulation of concrete surface, and then also just improving inside concrete becomes
Power, and then also just improve the anti-freezing property of concrete.
Preferably, the air entraining agent be sodium abietate and neopelex mixture, the sodium abietate and
The weight ratio of neopelex is 3: 2.
By using above-mentioned technical proposal, since two kinds of air entraining agents are the organic salt of sodium ion, so according to phase patibhaga-nimitta
The principle of dissolubility, the two can mix relatively uniformly, and due to neopelex itself be also yin from
Sub- surfactant, so it can cooperate with sodium abietate equably to be penetrated into the gathering materials of regeneration concrete together, thus
The uniform generation for advantageously ensuring that minute bubbles in regeneration concrete is conducive to the anti-freezing property for improving regeneration concrete.
A kind of construction technology of regeneration concrete steel structural upright column, comprising the following steps:
S1, cement, miberal powder, flyash, bentonite are added in blender by regulation deal, and 1/3 total amount is added
Water is stirred with the revolving speed of 500rpm, mixing time 20min；
S2, it is to be mixed completion and then the water of vermiculite rubble, concrete block, sand and 2/5 total amount is added by regulation deal
Enter into blender, is stirred with the revolving speed of 300rpm, mixing time 30min；
S3, grinding wheel ash, composite water-reducing agent, air entraining agent and accelerator are added to blender by regulation deal and remaining water
In, it is stirred with the revolving speed of 500rpm, until being uniformly mixed, obtains regeneration concrete；
S4, regeneration concrete is filled into steel duct from the nozzle of steel pipe, and will vibration when inserting regeneration concrete
Lever, which is extend into steel pipe, vibrates regeneration concrete；
S5, when the regeneration concrete of filling is in contact with the lowest edge of guide plate, using push rod into steel pipe
Regeneration concrete squeezes, so that the height of the regeneration concrete on steel pipe periphery increases, and jacks up guide plate；
S6, after maintaining an equal level to guide plate, steel pipe is stood into 3h, then the plate that binds is overlying on to the top of steel pipe, and the plate that will bind
It is fixed up at the top of steel pipe.
By using above-mentioned technical proposal, different material is put into blender be in batches stirred first, had in this way
It can be adequately uniformly mixed conducive to each raw material of guarantee.Meanwhile applying thrust to the center of steel pipe using push rod, work as guide plate in this way
Under the extruding force effect of regeneration concrete and after down tilt, guide plate can also play reaction force to regeneration concrete, thus
Be conducive to guide plate and pressure is generated to regeneration concrete, ensure that density with higher after regeneration concrete solidification, and then also have
Conducive to the intensity for improving steel pipe.
In conclusion the invention has the following advantages:
1, concrete block is added in regeneration concrete, regeneration concrete is filled into steel pipe again later, so not
The intensity of steel pipe can only be enhanced, while being also beneficial to reduce the waste of resource and the pollution of environment；
2, it during regeneration concrete is filled into steel pipe, is guided using guide plate, can make to regenerate in this way
Concrete is evenly distributed in steel pipe；
3, when the filling amount of regeneration concrete is in contact with the lower edge of guide plate fastly, using push rod to steel pipe center
Regeneration concrete pushed, enable to regeneration concrete to be squeezed to periphery in this way, thus can by guide plate to
Upper jack-up, such guide plate also will play the role of extruding to regeneration concrete, regeneration concrete be had higher close
Degree, and be also beneficial to improve the efficiency of curing molding.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the regeneration concrete steel structural upright column of embodiment one；
Fig. 2 is the cross-sectional view of the regeneration concrete steel structural upright column of embodiment one；
Fig. 3 is the top view of the regeneration concrete steel structural upright column of embodiment one；
Fig. 4 is the process flow chart of the regeneration concrete steel structural upright column of embodiment two.
In figure, 1, substrate；2, steel pipe；21, accessory plate；22, guide plate；3, branch pipe；4, bind plate；5a, bolt；5b, nut；
6, regeneration concrete.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one:
As shown in attached drawing 1 to attached drawing 3, a kind of regeneration concrete steel structural upright column, the substrate 1 including a rectangle, substrate 1
Erectting at center has a steel pipe 2, and the size of steel pipe 2 can determine according to the actual situation.And it is also uniform on the circumferential surface of steel pipe 2
Equipped with several branch pipes 3, the quantity of branch pipe 3 can determine according to the actual situation, here for can more effectively rise to steel pipe 2
To supporting role, and improve the weight bearing energy of steel pipe 2, thus the quantity of branch pipe 3 be three, and the inside of each branch pipe 3 with
The inside of steel pipe 2 is mutually communicated, and the fixed bit of branch pipe 3 and steel pipe 2 is set at the 1/3 of 2 height of steel pipe, lower end and base
The welding of 1 phase of plate.
In addition, the top of steel pipe 2 has been made into integration accessory plate 21, the shape of accessory plate 21 is identical as substrate 1, meanwhile, it is auxiliary
The center of plate 21 and the inside of steel pipe 2 is helped to connect, and the opening at 21 center of accessory plate is equal with the nozzle of steel pipe 2.Herein,
The opening inward flange of accessory plate 21 is provided inwardly with guide plate 22 diagonally downward, and guide plate 22 be it is equally distributed, moreover, guide plate
22 are less than the length of the inside radius of 2 steel pipe 2 of steel pipe along the radial length of steel pipe 2, and herein, the length of guide plate 22 is half in steel pipe 2
The 1/2 of electrical path length.To which when translating into horizontality on guide plate 22, guide plate 22 can just become an annulus.And
Regeneration concrete 6 is filled with inside steel pipe 2 can effectively improve the intensity of steel pipe 2 after such regeneration concrete 6 solidifies
And load capacity.
Also, be further fixed on one block of plate 4 that binds in the top of accessory plate 21, bind plate 4 can directly with 21 phase of accessory plate
Welding, can be also directly secured together by bolt 5a nut 5b.Moreover, the plate 4 that binds compare it is smooth, so also facilitating it
He overlaps steel construction above it, to be also beneficial to improve the construction efficiency of monolithic architecture steel construction.
Embodiment two:
As shown in Fig. 4, a kind of construction technology of regeneration concrete steel structural upright column, comprising the following steps:
S1,230Kg cement, 42Kg miberal powder, 55Kg flyash, 40Kg bentonite are added in blender, and are added 1/3
The water of total amount, i.e. 67Kg water, are stirred with the revolving speed of 500rpm, and mixing time continues 20min；
S2, completion to be mixed and then by 56Kg vermiculite rubble, 860Kg concrete block, 530Kg sand and 2/5 total amount
Water, i.e. 80Kg water are added in blender, and are stirred with the revolving speed of 300rpm, and mixing time continues 30min；
S3, by 53Kg grinding wheel ash, 7Kg composite water-reducing agent, 3Kg air entraining agent and 2Kg accelerator and remaining water, i.e. 53kg water
It is added in blender, is stirred with the revolving speed of 500rpm, until being uniformly mixed, obtain regeneration concrete 6；
S4, regeneration concrete 6 is filled into inside steel pipe 2 from the nozzle of steel pipe 2, and when inserting regeneration concrete 6
Vibrating arm is extend into steel pipe 2, regeneration concrete 6 is vibrated, enables the gap in regeneration concrete 6 abundant
Ground filling；
S5, when the regeneration concrete 6 of filling is in contact with the lowest edge of guide plate 22, using push rod to steel pipe 2
In regeneration concrete 6 squeeze so that increasing the height of 2 periphery regeneration concrete 6 of steel pipe, and jack up guide plate 22；
S6, it after maintaining an equal level to guide plate 22, fills up regeneration concrete 6 again into the trace that push rod presses through, and stands steel pipe 2
Then the plate 4 that binds is overlying on the top of steel pipe 2, and four corners of bind plate 4 and accessory plate 21 is passed through bolt 5a and spiral shell by 3h
Female 5b is fixed together.
Herein, composite water-reducing agent is the mixture of sodium gluconate, calcium gluconate and melamino-formaldehyde condensation polymer, and
The weight ratio of sodium gluconate, calcium gluconate and melamino-formaldehyde condensation polymer is 5: 3: 2.
Accelerator is the mixture of polyaluminium sulfate, sodium aluminate and calcium carbonate, and polyaluminium sulfate, sodium aluminate and calcium carbonate
Weight ratio be 4: 2: 3.
Air entraining agent is the mixture of sodium abietate and neopelex, sodium abietate and neopelex
Weight ratio be 3:2.
According to the construction technology of embodiment two, the operation of embodiment three to embodiment six is carried out in conjunction with following table data:
According to " building structure inspection technical standard " GB/T50344-2004 to embodiment two to embodiment six, and comparison
Example is tested without the steel pipe of filling regeneration concrete 6, obtains following tests result:
From upper table result, it is apparent that regeneration concrete steel structural upright column of the invention is for common column
With stronger weight bearing ability, to not only reduce the waste of resource but also environment can be protected.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. a kind of regeneration concrete steel structural upright column, it is characterised in that: including substrate (1), erectting on the substrate (1) has steel pipe
(2), the circumferential surface of the steel pipe (2) is distributed with several branch pipes (3), is connected inside the branch pipe (3) and steel pipe (2), the branch
The lower end of pipe (3) is mutually fixed with substrate (1), and the inside of the steel pipe (2) is filled with regeneration concrete (6), the steel pipe (2)
Top is fixed with the plate that binds (4), is equipped with accessory plate (21) between the top and the plate that binds (4) of the steel pipe (2), the accessory plate
(21) be made into integration with steel pipe (2), connect inside the accessory plate (21) and steel pipe (2), the accessory plate (21) with it is described
The plate (4) that binds mutually is fixed, and is obliquely installed on the inside of the nozzle of accessory plate (21) Xiang Gangguan (2) equipped with guide plate (22), described to lead
Plate (22) is equally distributed along the nozzle of steel pipe (2).
2. a kind of regeneration concrete steel structural upright column according to claim 1, it is characterised in that: the guide plate (22) along
The length of steel pipe (2) radial direction is less than the length of steel pipe (2) inside radius.
3. a kind of regeneration concrete steel structural upright column according to claim 1, it is characterised in that: the regeneration concrete
(6), according to parts by weight, including following components,
230~380 parts of cement
42~73 parts of miberal powder
55~105 parts of flyash
40~80 parts of bentonite
56~94 parts of vermiculite rubble
860~1040 parts of concrete block
530~750 parts of sand
53~87 parts of grinding wheel ash
7~11 parts of composite water-reducing agent
3~5 parts of air entraining agent
2~4 parts of accelerator
200~300 parts of water.
4. a kind of regeneration concrete steel structural upright column according to claim 3, it is characterised in that: the regeneration concrete
(6), according to parts by weight, including following components,
300 parts of cement
58 parts of miberal powder
80 parts of flyash
60 parts of bentonite
75 parts of vermiculite rubble
950 parts of concrete block
640 parts of sand
70 parts of grinding wheel ash
9 parts of composite water-reducing agent
4 parts of air entraining agent
3 parts of accelerator
250 parts of water.
5. a kind of regeneration concrete steel structural upright column according to claim 3 or 4, it is characterised in that: the compound diminishing
Agent is the mixture of sodium gluconate, calcium gluconate and melamino-formaldehyde condensation polymer, the sodium gluconate, gluconic acid
The weight ratio of calcium and melamino-formaldehyde condensation polymer is 5:3:2.
6. a kind of regeneration concrete steel structural upright column according to claim 3 or 4, it is characterised in that: the accelerator is
The weight ratio of the mixture of polyaluminium sulfate, sodium aluminate and calcium carbonate, the polyaluminium sulfate, sodium aluminate and calcium carbonate is 4:2:
3。
7. a kind of regeneration concrete steel structural upright column according to claim 3 or 4, it is characterised in that: the air entraining agent is
The weight ratio of the mixture of sodium abietate and neopelex, the sodium abietate and neopelex is 3:
2。
8. a kind of construction work of regeneration concrete steel structural upright column as described in any one of claim 1 to 7 claim
Skill, comprising the following steps:
S1, cement, miberal powder, flyash, bentonite are added in blender by regulation deal, and the water of 1/3 total amount is added, with
The revolving speed of 500rpm is stirred, mixing time 20min；
S2, it is to be mixed completion and then the water of vermiculite rubble, concrete block, sand and 2/5 total amount is added to by regulation deal
It in blender, is stirred with the revolving speed of 300rpm, mixing time 30min；
S3, grinding wheel ash, composite water-reducing agent, air entraining agent and accelerator are added in blender by regulation deal and remaining water,
It is stirred with the revolving speed of 500rpm, until being uniformly mixed, obtains regeneration concrete (6)；
S4, regeneration concrete (6) is filled into steel pipe (2) inside from the nozzle of steel pipe (2), and regeneration concrete is inserted on side
(6) vibrating arm extend into steel pipe (2) and vibrates to regeneration concrete (6) by side；
S5, when the regeneration concrete (6) of filling is in contact with the lowest edge of guide plate (22), using push rod to steel pipe
(2) regeneration concrete (6) in squeezes, so that the height of the regeneration concrete (6) on steel pipe (2) periphery increases, and jacks up guide plate
(22)；
S6, after maintaining an equal level to guide plate (22), steel pipe (2) being stood into 3h, the plate (4) that then will bind is overlying on the top of steel pipe (2), and
It will bind and be fixed up at the top of plate (4) and steel pipe (2).
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| CN103669724A (en) * | 2012-08-31 | 2014-03-26 | 浙江江鑫钢网桁架有限公司 | Steel pipe concrete column |
| CN203514640U (en) * | 2013-09-11 | 2014-04-02 | 天津市津莆钢结构有限公司 | H section steel column structure |
| CN203867072U (en) * | 2014-04-02 | 2014-10-08 | 山东同圆设计集团有限公司 | Space stress shear key for concrete filled steel tubular column |
| CN105442755A (en) * | 2015-07-30 | 2016-03-30 | 孙晓林 | Recycled concrete column |
| CN105155841A (en) * | 2015-09-29 | 2015-12-16 | 赵春樵 | External bone prefabricated thin wall component and assembled construction reinforced concrete pier and column and construction method thereof |
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