CN111364731B - Reinforced concrete ground seamless construction device and method - Google Patents
Reinforced concrete ground seamless construction device and method Download PDFInfo
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- CN111364731B CN111364731B CN202010178462.8A CN202010178462A CN111364731B CN 111364731 B CN111364731 B CN 111364731B CN 202010178462 A CN202010178462 A CN 202010178462A CN 111364731 B CN111364731 B CN 111364731B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
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- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/0263—Hardening promoted by a rise in temperature
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/20—Implements for finishing work on buildings for laying flooring
- E04F21/24—Implements for finishing work on buildings for laying flooring of masses made in situ, e.g. smoothing tools
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Abstract
The invention relates to a reinforced concrete ground seamless construction device and a method, which relate to the technical field of concrete construction and comprise supports and a heat insulation assembly, wherein a plurality of supports are distributed in a polygonal shape, a concrete construction area is positioned in the polygonal area, a conveying channel is arranged on each support in a penetrating mode, the heat insulation assembly comprises a plurality of side membranes arranged on the supports, covering membranes arranged above the polygonal area, a heating element arranged on each support, a gas generation element connected with the supports and communicated with the conveying channel, and connecting elements for connecting the side membranes and the covering membranes and the supports, two ends of each side membrane are respectively connected with two adjacent supports, the edges of the covering membranes are detachably and hermetically connected with the top edges of the side membranes, and when the gas generation element and the heating element are started, gas enters the concrete construction area after being heated by the heating element through the conveying channel. The invention has the effect of reducing cracks generated by temperature difference so as to realize seamless construction of concrete.
Description
Technical Field
The invention relates to the technical field of concrete construction, in particular to a reinforced concrete ground seamless construction device and method.
Background
At present, concrete construction mainly comprises template building, concrete pouring, form removal and maintenance and the like, wherein the concrete pouring refers to a process from concrete pouring into a mold to plasticizing or a process from concrete and other materials into the mold to manufacture a preset shape.
The modern buildings often involve mass concrete construction, such as high-rise building foundations, large equipment foundations, water conservancy dams and the like. The bulk concrete is mainly characterized by a large volume, typically with a solid minimum dimension greater than or equal to 1 m. The surface coefficient of the large-volume concrete is smaller, the cement hydration heat is released more intensively, and the internal temperature rise is faster. Therefore, when the temperature difference between the inside and the outside of the concrete is large, the concrete can generate temperature cracks, and the structural safety and the normal use are influenced.
The large-volume concrete structure is thick, the concrete quantity is large, the cement hydration heat is large, the predicted temperature rise exceeds 25 ℃, and the structure is easy to generate temperature deformation. The large-volume concrete has certain regulations on the minimum section and the internal and external temperatures, and also has certain limitations on the plane size. Because the plane size is too large, the temperature force generated by the restraint effect is larger, and if the adopted temperature control measures are improper, and the temperature stress exceeds the tensile force limit value which can be born by the concrete, cracks are easy to generate.
The above prior art solutions have the following drawbacks: in a construction environment such as northeast where the winter period low temperature can reach twenty degrees below zero, the temperature difference between the inside and the outside of the concrete is difficult to control, so that the generation of concrete cracks is difficult to avoid.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a reinforced concrete ground seamless construction device which can reduce cracks generated by temperature difference and realize concrete seamless construction.
The above object of the present invention is achieved by the following technical solutions:
a reinforced concrete ground seamless construction device comprises at least three supports which are detachably arranged on the ground on the peripheral side of a concrete construction area and a heat insulation assembly for reducing the temperature difference between the inside and the outside of the concrete, wherein the supports are distributed in a polygonal shape, the concrete construction area is positioned in the polygonal area, a conveying channel facing the concrete construction area is arranged on each support in a penetrating mode, the heat insulation assembly comprises a plurality of side membranes arranged on the supports, covering membranes arranged above the polygonal area, a heating piece arranged on the supports, a gas generating piece connected with the supports and communicated with the conveying channel, and connecting pieces for connecting the side membranes, the covering membranes and the supports, two ends of each side membrane are respectively connected with two adjacent supports, the side membranes are distributed at intervals along the edge of the polygonal area to divide the space inside and the outside of the polygonal area, and the edge of each covering membrane is detachably and hermetically connected with the top edge of each side membrane, when concrete pouring is finished and the concrete is in a hardening stage, the cover film and the side film are connected with the support, and when the gas generating piece and the heating piece are started, gas enters a concrete construction area after being heated by the heating piece through the conveying channel.
By adopting the technical scheme, when concrete is poured and is in a hardening stage, the side membrane surrounds a polygonal area formed by surrounding of the support for a circle, the side membrane is fixed through the connecting piece, then the cover membrane covers the polygonal area, and the edge of the cover membrane is hermetically connected with the edge of the top of the side membrane, so that the concrete construction area is isolated from the outside; starting the temperature rising piece and the gas generating piece, wherein the gas generating piece conveys gas into the conveying channel, the temperature rising piece heats the gas, the heated gas enters a concrete construction area, the surface of the concrete is insulated, and the temperature difference between the inside and the outside of the concrete is reduced, so that cracks generated by the temperature difference are reduced, and the seamless construction of the concrete is realized; and the side film and the cover film can reduce sundries entering a concrete construction area, and reduce the influence caused by external wind power, so that the flatness and cleanliness of the concrete ground are improved.
The present invention in a preferred example may be further configured to: the transfer passage includes that the opening is towards keeping away from the inlet port of concrete construction region side and a plurality of openings towards the diffluence pass of concrete construction region side, a plurality of diffluence passes along support direction of height interval distribution and with the inlet port intercommunication, the heating piece is including setting up the heating wire in the inlet port.
Through adopting above-mentioned technical scheme, in gaseous piece that takes place delivered gas to the inlet port, the electric heat wire heated gas, and gas after the intensification evenly shunts everywhere in to concrete construction area through a plurality of diffluence openings to this keeps warm to the concrete surface, reduces the inside and outside difference in temperature of concrete, thereby reduces the crack that the difference in temperature produced, realizes concrete seamless construction.
The present invention in a preferred example may be further configured to: the support is provided with a winding drum in a rotating mode, the side films are wound and distributed on the winding drum, and when the winding drum rotates, the side films are spread to extend to the adjacent support.
Through adopting above-mentioned technical scheme, make things convenient for spreading and accomodating of side membrane through the reel to this makes things convenient for the transportation and the dismouting of support, side membrane, promotes the efficiency of construction.
The present invention in a preferred example may be further configured to: one of them all be provided with the trip on support rather than an adjacent support, the cooperation of pegging graft has the axis of rotation on the trip, forms relative rotating-structure when axis of rotation and trip are pegged graft, the winding has the epiphragma in the axis of rotation.
Through adopting above-mentioned technical scheme, form rotating-structure with the trip when the axis of rotation inserts in the trip, the axis of rotation expandes the epiphragma or accomodates the epiphragma when rotating to this makes things convenient for the transportation and the dismouting of support, epiphragma, promotes the efficiency of construction.
The present invention in a preferred example may be further configured to: the support is provided with a reset piece, and when the side film is disconnected with the adjacent support, the reset piece drives the side film to reset and enables the side film to be wound on the winding drum.
Through adopting above-mentioned technical scheme, reset through torsional spring etc. and make the reel accumulate elastic potential energy when spreading, reset when side membrane and adjacent support disconnection the piece drive the side membrane and reset to this reduces accomodates the required time, promotes to accomodate and the efficiency of construction.
The present invention in a preferred example may be further configured to: the tectorial membrane all is provided with the magnetic stripe on the border except that with the rotation axis connection side, the top of side membrane is provided with the magnetic conduction piece, and the magnetic stripe and the magnetic conduction piece at its border adsorb each other when the tectorial membrane covers in the construction area top.
Through adopting above-mentioned technical scheme, after the side membrane is built, when covering the tectorial membrane in the construction area top, tectorial membrane border and the top border contact of side membrane, the magnetic stripe adsorbs each other with the magnetic conduction piece this moment to this is connected side membrane and tectorial membrane, reduces thermal scattering and disappearing.
The present invention in a preferred example may be further configured to: the magnetic stripe has a plurality ofly and evenly spaced distribution along the epiphragma border, the magnetic conduction piece has a plurality ofly and evenly spaced distribution along side membrane top border.
Through adopting above-mentioned technical scheme, the magnetic stripe is the interval with the magnetic conduction piece and sets up to this winding of making things convenient for epiphragma and side membrane to accomodate the operation, reduces the deformation degree of magnetic stripe and magnetic conduction piece, and produces the clearance between the adjacent magnetic stripe and between the adjacent magnetic conduction piece, with this avoid the too big and influence construction quality of atmospheric pressure difference in the construction region.
The present invention in a preferred example may be further configured to: the gas generating piece comprises a carbon dioxide generator, and an air outlet of the carbon dioxide generator is communicated with the conveying channel.
Through adopting above-mentioned technical scheme, produce carbon dioxide gas through carbon dioxide generator, carbon dioxide gas has the effect of accelerating concrete hardening and promoting concrete hardness to this reduces the engineering time, promotes the efficiency of construction.
The present invention in a preferred example may be further configured to: the connecting piece is including setting up in the side membrane and keeping away from the rings of axis of rotation one side, sliding the bolt of setting on the support is worn to locate on the support and set up the gim peg on the support by lifting hook, screw thread, lifting hook has two and is located the top edge and the bottom edge of side membrane respectively, the lifting hook is pegged graft the cooperation with rings and the opening of two lifting hooks respectively up, down, the bolt rotates with the lifting hook to be connected just its axis of rotation direction unanimous with the slip direction of lifting hook, and the slip direction of two lifting hooks is personally submitted the contained angle and is followed horizontal plane symmetry with the level, its opening border of lifting hook forms closed loop structure with the gim peg butt when sliding so that lifting hook, support and.
By adopting the technical scheme, the lifting rings are connected with the side film, the side film is in a vertical state when the upper lifting ring and the lower lifting ring are respectively spliced with the upper lifting hook and the lower lifting hook, and the lifting hooks are driven to slide when the bolt rotates; when the bolt drives the lifting hook to slide, the edge of the side film is tightly attached to the side wall of the bracket, so that air leakage is reduced; when the lifting hook slides to the opening edge of the lifting hook and is abutted to the fixing bolt, the lifting hook, the support and the fixing bolt form a closed ring structure, so that the lifting ring is locked, the phenomenon that the lifting ring slips under external force factors such as wind and the like to cause the heat insulation assembly to lose efficacy is avoided, and the stability is improved.
Aiming at the defects in the prior art, the second purpose of the invention is to provide a reinforced concrete ground seamless construction method, which can reduce cracks generated by temperature difference and realize concrete seamless construction.
The above object of the present invention is achieved by the following technical solutions:
a seamless construction method for reinforced concrete ground comprises the following steps:
s100: building a template, placing reinforcing steel bars and fillers in the template, injecting concrete into the built template, and vibrating the concrete to compact the concrete and level the surface;
s200: installing a plurality of supports on the periphery of the concrete construction area, wherein the supports surround the concrete construction area for one circle, and fixing the bottom ends of the supports with the ground through screws or rivets;
s300: vertically spreading the side membranes, respectively connecting two ends of each side membrane to two adjacent supports, and sequentially installing the side membranes on the rest supports until the side membranes surround the concrete construction area for a circle;
s400: spreading the cover film above the concrete construction area, and connecting the edge of the cover film with the top edge of the side film to enable the cover film and the side film to completely cover the concrete construction area;
s500: installing a gas generating piece to be communicated with the conveying pipeline;
s600: starting the temperature rising piece and the gas generating piece to enable the gas heated by the temperature rising piece to enter the concrete construction area;
s700: and after the concrete is completely hardened, sequentially removing the gas generating piece, the cover film, the side film and the bracket to finish the seamless construction of the concrete.
Through adopting above-mentioned technical scheme, in gaseous piece that takes place delivered gas to transfer passage, the piece that heaies up heated up gas and heated, and gas after the intensification gets into in the concrete construction area, because the existence of side membrane and epiphragma makes the concrete construction area sealed relatively to this keeps warm to the concrete surface, reduces the inside and outside difference in temperature of concrete, thereby reduces the crack that the difference in temperature produced, realizes concrete seamless construction.
In summary, the invention includes at least one of the following beneficial technical effects:
1. fixing the side membrane through a connecting piece, covering the cover membrane above the polygonal area, and hermetically connecting the edge of the cover membrane with the edge of the top of the side membrane so as to isolate the concrete construction area from the outside; when the temperature rising piece and the gas generating piece are started, the gas generating piece conveys gas into the conveying channel, the temperature rising piece heats the gas, the heated gas enters a concrete construction area, the surface of the concrete is insulated, and the temperature difference between the inside and the outside of the concrete is reduced, so that cracks generated by the temperature difference are reduced, and seamless construction of the concrete is realized;
2. after the side film is built, when the cover film covers the top of the construction area, the edge of the cover film is in contact with the edge of the top of the side film, and the magnetic strip and the magnetic conductive sheet are adsorbed to each other so as to connect the side film and the cover film, so that heat loss is reduced;
3. when the bolt rotates, the lifting hooks are driven to slide, and the sliding directions of the two lifting hooks form an included angle with the horizontal plane and are symmetrical along the horizontal plane, so that the distance between the two lifting hooks is increased, the side film is stretched, the coverage area of the side film is increased, and the inside and outside air is conveniently isolated; when the bolt drives the lifting hook to slide, the edge of the side film is tightly attached to the side wall of the bracket, so that air leakage is reduced; when the lifting hook slides to the opening edge of the lifting hook and is abutted to the fixing bolt, the lifting hook, the support and the fixing bolt form a closed ring structure, so that the lifting ring is locked, the phenomenon that the lifting ring slips under external force factors such as wind and the like to cause the heat insulation assembly to lose efficacy is avoided, and the stability is improved.
Drawings
FIG. 1 is a schematic overall structure diagram of the first embodiment;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is a partial structural view of the first embodiment, mainly showing the connecting members;
FIG. 4 is an enlarged partial schematic view of portion C of FIG. 3;
FIG. 5 is a schematic top view of the first embodiment, mainly showing the cover film;
fig. 6 is a schematic view of a partial cross-sectional view taken along line B-B in fig. 5, mainly illustrating the conveying channel.
Reference numerals: 1. a support; 11. a reel; 12. a hook is clamped; 13. a rotating shaft; 131. a housing; 14. a reset member; 141. a first torsion spring; 142. a second torsion spring; 2. a heat preservation assembly; 21. a delivery channel; 211. an air inlet; 212. a shunt port; 22. a side film; 221. a magnetic conductive sheet; 23. covering a film; 231. a magnetic strip; 24. a heating member; 241. an electric heating wire; 25. a gas generating member; 3. a connecting member; 31. a hoisting ring; 32. a hook; 33. a bolt; 34. and (6) fixing the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows: referring to fig. 1, the reinforced concrete ground seamless construction device disclosed by the invention comprises four brackets 1 which are detachably arranged on the ground on the peripheral side of a concrete construction area and a heat insulation assembly 2. The support 1 is cylindrical and is made of aluminum alloy materials, the bottom of the support is vertically distributed, and the bottom of the support is fixed to the ground through screws or rivets, so that the heat preservation assembly 2 is conveniently supported. The heat insulation component 2 is used for reducing the temperature difference between the inside and the outside of the concrete, so that concrete cracks caused by the temperature difference between the inside and the outside are reduced. The four supports 1 are distributed in a quadrilateral shape, and the concrete construction area is located in the quadrilateral area so as to cover the concrete construction area.
Referring to fig. 1 and 2, the heat-insulating assembly 2 includes a plurality of side films 22 disposed on the support 1, a cover film 23 disposed above the polygonal region, and a connecting member 3 connecting the side films 22, the cover film 23, and the support 1. The side film 22 and the cover film 23 are rectangular and both adopt PO heat insulation films, so as to reduce the heat dissipation. Two ends of each side film 22 are respectively connected to two adjacent brackets 1, the side films 22 are distributed at intervals along the edges of the quadrilateral areas in a surrounding mode, and the edges of the cover films 23 are detachably connected with the top edges of the side films 22 in a sealing mode, so that the inner space and the outer space of the quadrilateral areas are divided.
The holder 1 is rotatably provided with a roll 11, and the roll 11 is cylindrical and one end of the side film 22 is bonded and fixed to the peripheral side wall of the roll 11. Side membrane 22 winding distributes on reel 11, and side membrane 22 can spread or accomodate when reel 11 rotates to this makes things convenient for spreading and accomodating of side membrane 22, with this transportation and the dismouting of making things convenient for support 1, side membrane 22, promotes the efficiency of construction. And the length of the side film 22 is larger than the distance between two adjacent brackets 1, so that the side film 22 can extend to the adjacent brackets 1 when being spread. Each support 1 is provided with a winding drum 11 and side films 22, and all the side films 22 are unfolded clockwise or anticlockwise along the circumference of the quadrilateral area, so that a constructor can conveniently unfold all the side films 22 sequentially around one circumference, and the construction efficiency is improved.
The support 1 is provided with a reset piece 14, the reset piece 14 comprises a first torsion spring 141 arranged at one end of the winding drum 11, one end of the first torsion spring 141 is welded and fixed with the winding drum 11, and the other end of the first torsion spring 141 is welded and fixed with the support 1. When the winding drum 11 is spread, the first torsion spring 141 accumulates elastic potential energy, and when the side film 22 is disconnected from the adjacent bracket 1, the first torsion spring 141 drives the side film 22 to reset, so that the time required for storage is reduced, and the storage and construction efficiency is improved.
All welded fastening has trip 12 on one of them support 1 and adjacent another support 1, and trip 12 is the U-shaped and its opening side inclines towards concrete construction region outside top, and the grafting cooperation has round bar shape axis of rotation 13 on trip 12, forms relative rotating structure when axis of rotation 13 pegs graft with trip 12 to this realizes the relative rotation of axis of rotation 13 and support 1. One end of the cover film 23 is fixedly bonded with the peripheral side wall of the rotating shaft 13, the cover film 23 is wound on the rotating shaft 13, and the cover film 23 can be unfolded or the cover film 23 can be stored when the rotating shaft 13 rotates, so that the support 1 and the cover film 23 can be conveniently transported and disassembled, and the construction efficiency is improved.
The outer side of the rotating shaft 13 is rotatably sleeved with a housing 131 through a bearing, the cover film 23 is positioned in the housing 131, and an opening for the cover film 23 to enter and exit is formed in one side of the housing 131. The restoring member 14 further includes a second torsion spring 142 provided at one end of the rotational shaft 13. One end of the second torsion spring 142 is welded to the rotating shaft 13, and the other end is welded to the housing 131. When the cover film 23 is stretched to cover the concrete, the second torsion spring 142 is deformed and accumulates elastic potential energy, and one side edge of the cover film 23 is fixed with the two brackets 1 far away from one side of the rotating shaft 13 through screws. When the screws are loosened, the cover film 23 is stored in the shell 131 under the action of the second torsion spring 142, so that the support 1 and the cover film 23 are convenient to transport and disassemble, and the construction efficiency is improved.
And the edge of the cover film 23 except the side connected with the rotating shaft 13 is provided with a magnetic strip 231, the magnetic strip 231 adopts a magnet and is fixedly bonded with the cover film 23, the top edge of the side film 22 is provided with a magnetic conductive sheet 221, the magnetic conductive sheet 221 is fixedly bonded with the side film 22, and when the cover film 23 covers the upper part of the construction area, the magnetic strip 231 and the magnetic conductive sheet 221 at the edge are mutually adsorbed, so that the side film 22 and the cover film 23 are connected, and the heat loss is reduced. And magnetic stripe 231 has a plurality ofly and evenly distributed along the even interval in tectorial membrane 23 border, and magnetic conduction piece 221 has a plurality ofly and evenly distributed along side membrane 22 top border to this makes things convenient for the winding of tectorial membrane 23 and side membrane 22 to accomodate the operation, reduces the deformation degree of magnetic stripe 231 and magnetic conduction piece 221. And gaps are formed between the adjacent magnetic strips 231 and between the adjacent magnetic conductive sheets 221, so that the air pressure balance inside and outside the construction area is kept, and the influence on the construction quality caused by overlarge air pressure difference inside and outside the construction area is avoided.
Referring to fig. 3 and 4, the connecting member 3 includes a hanging ring 31 disposed on a side of the side film 22 away from the rotating shaft 13, a hook 32 slidably disposed on the bracket 1, a bolt 33 disposed on the bracket 1, and a fixing bolt 34 disposed on the bracket 1. The hanging ring 31 is circular, two hanging rings are respectively adhered and fixed with the top corner and the bottom corner of the side film 22, and the hanging hook 32 is matched with the hanging ring 31 in an inserting mode. The lifting hooks 32 correspond to the lifting rings 31 one by one and are J-shaped, the opening of one lifting hook 32 faces upwards, the opening of the other lifting hook 32 faces downwards, the two lifting rings 31 are sleeved on the lifting hooks 32 from the upper part and the lower part respectively so as to connect the side films 22 with the lifting hooks 32, and the side films 22 are in a vertical state when the upper lifting ring 31 and the lower lifting ring 31 are respectively spliced with the upper lifting hook 32 and the lower lifting hook 32 so as to improve the coverage rate of the side films 22.
The bolt 33 is threaded through the bracket 1, is connected with the lifting hook 32 in a rotating manner and is axially fixed with the lifting hook 32, the rotating axis direction of the bolt is consistent with the sliding direction of the lifting hook 32, and the sliding directions of the two lifting hooks 32 form an included angle with the horizontal plane and are symmetrical along the horizontal plane. Therefore, when the bolt 33 rotates, the hook 32 is driven to slide, and when the hook 32 slides, the distance between the two hooks 32 is increased, so that the side film 22 is stretched, the coverage area of the side film 22 is increased, and the inside and outside air is conveniently isolated. When the bolt 33 drives the hook 32 to slide, the edge of the side film 22 is tightly attached to the side wall of the bracket 1, thereby reducing air leakage. The fixing bolt 34 is welded and fixed with the bracket 1, and when the lifting hook 32 slides to the opening edge and abuts against the fixing bolt 34, the lifting hook 32, the bracket 1 and the fixing bolt 34 form a closed loop structure, so that the lifting ring 31 is locked, the phenomenon that the lifting ring 31 slips under external force factors such as wind and the like to influence the heat preservation effect is avoided, and the stability is improved.
Referring to fig. 5 and 6, a conveying channel 21 facing the concrete construction area is formed in the support 1 in a penetrating manner, the conveying channel 21 includes an air inlet 211 with an opening facing away from the concrete construction area side and a plurality of branch ports 212 with openings facing the concrete construction area side, and the branch ports 212 are distributed at intervals along the height direction of the support 1 and are communicated with the air inlet 211. The heat preservation assembly 2 further comprises a heating member 24 arranged on the support 1 and a gas generating member 25 connected with the support 1 and communicated with the conveying channel 21. The gas generating part 25 comprises a carbon dioxide generator, the carbon dioxide generator is arranged on one side of the support 1 far away from the concrete construction area, and an air outlet of the carbon dioxide generator is communicated with the air inlet 211. The warming member 24 includes a heating wire 241 disposed in the air intake hole 211, and the heating wire 241 generates heat when it is energized.
The carbon dioxide generator is used for generating carbon dioxide gas and conveying the carbon dioxide gas to the air inlet 211, the heating wire 241 heats the gas, the gas after heating up is evenly shunted to everywhere in the concrete construction area through a plurality of shunting ports 212 to this keeps warm to the concrete surface, reduces the inside and outside difference in temperature of concrete, thereby reduces the crack that the difference in temperature produced, realizes concrete seamless construction. And the carbon dioxide gas has the effects of accelerating the hardening of the concrete and improving the hardness of the concrete, so that the construction time is reduced, and the construction efficiency is improved.
The implementation principle of the embodiment is as follows: when the concrete is poured and is in a hardening stage, constructors firstly erect the support 1 around a concrete construction area. And surrounding the quadrilateral area for a circle, sequentially unfolding the side membranes 22, connecting the lifting hooks 32 on the side membranes with the lifting rings 31, locking the side membranes 22 by screwing bolts 33 and matching with fixing bolts 34, and surrounding the concrete construction area for a circle after all the side membranes 22 are completely unfolded. Then, two ends of the rotating shaft 13 are inserted into the hooks 12, the cover film 23 is unfolded until the upper part of the quadrilateral area is covered, one side of the cover film 23 is fixed through screws, and the magnetic strips 231 at the edge of the cover film 23 are arranged, so that the magnetic conducting sheets 221 on the side film 22 and the magnetic strips 231 are mutually adsorbed, and the concrete construction area is isolated from the outside.
Afterwards, the constructor energizes the heating wire 241 again, and starts the carbon dioxide generator, the carbon dioxide generator conveys gas into the conveying channel 21, the heating wire 241 heats the gas, the heated gas enters the concrete construction area, the heat preservation is carried out on the surface of the concrete, so that the temperature difference inside and outside the concrete is reduced, cracks generated by the temperature difference are reduced, the seamless construction of the concrete is realized, the side film 22 and the cover film 23 can reduce sundries entering the concrete construction area, the influence caused by external wind power is reduced, and the flatness and the cleanliness of the concrete ground are improved.
Example two: a seamless construction method for reinforced concrete ground comprises the following steps:
s100: building a template, placing reinforcing steel bars and fillers in the template, injecting concrete into the built template, and vibrating the concrete to compact the concrete and level the surface;
s200: installing a plurality of supports 1 on the periphery of a concrete construction area, wherein the supports 1 surround the concrete construction area for one circle, and fixing the bottom ends of the supports 1 with the ground through screws or rivets;
s300: vertically spreading the side membranes 22, enabling the two ends of each side membrane 22 to be connected to two adjacent supports 1 respectively, and sequentially installing the side membranes 22 on the rest supports 1 until the side membranes 22 surround the concrete construction area for a circle;
s400: spreading the cover film 23 above the concrete construction area, and connecting the edge of the cover film 23 with the top edge of the side film 22 to enable the cover film 23 and the side film 22 to completely cover the concrete construction area;
s500: installing a carbon dioxide generator to be communicated with the conveying pipeline;
s600: electrifying the heating wire 241 and starting the carbon dioxide generator to make the gas heated by the heating wire 241 enter the concrete construction area;
s700: and after the concrete is completely hardened, sequentially removing the gas generating piece 25, the cover film 23, the side film 22 and the bracket 1 to finish the seamless construction of the concrete.
The implementation principle of the embodiment is as follows: carbon dioxide generator carries gas to transfer passage 21 in, and intensification piece 24 heats gas, and gas after the intensification gets into in the concrete construction area, because the existence of side membrane 22 and epiphragma 23 makes the concrete construction area sealed relatively, cooperates external thermal supply to keep warm to this concrete surface, reduces the inside and outside difference in temperature of concrete, thereby reduces the crack that the difference in temperature produced, realizes the seamless construction of concrete.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. A seamless construction device for reinforced concrete ground is characterized by comprising at least three supports (1) which are detachably arranged on the ground on the peripheral side of a concrete construction area and a heat insulation assembly (2) for reducing the temperature difference between the inside and the outside of the concrete, wherein the supports (1) are distributed in a polygonal shape, the concrete construction area is positioned in the polygonal area, a conveying channel (21) facing the concrete construction area is arranged on each support (1) in a penetrating manner, the heat insulation assembly (2) comprises a plurality of side membranes (22) arranged on the supports (1), cover membranes (23) arranged above the polygonal area, heating pieces (24) arranged on the supports (1), gas generating pieces (25) which are connected with the supports (1) and communicated with the conveying channel (21), and connecting pieces (3) for connecting the side membranes (22), the cover membranes (23) and the supports (1), the two ends of each side membrane (22) are respectively connected to two adjacent supports (1), the side membranes (22) are distributed at intervals along the edges of the polygonal areas in a surrounding mode to divide the inner space and the outer space of the polygonal areas, the edges of the cover membranes (23) are detachably and hermetically connected with the edges of the tops of the side membranes (22), when concrete is poured and is in a hardening stage, the cover membranes (23) and the side membranes (22) are connected with the supports (1), and when the gas generating pieces (25) and the temperature rising pieces (24) are started, gas enters a concrete construction area after being heated by the temperature rising pieces (24) through the conveying channels (21);
a winding drum (11) is rotatably arranged on the support (1), the side film (22) is wound and distributed on the winding drum (11), and when the winding drum (11) rotates, the side film (22) is spread to extend to the adjacent support (1);
a clamping hook (12) is arranged on one of the supports (1) and the adjacent support (1), a rotating shaft (13) is inserted and matched on the clamping hook (12), a relative rotating structure is formed when the rotating shaft (13) is inserted and connected with the clamping hook (12), and a cover film (23) is wound on the rotating shaft (13);
the epiphragma (23) all are provided with magnetic stripe (231) except that being connected the outer border of side with axis of rotation (13), the top of side membrane (22) is provided with magnetic conduction piece (221), and magnetic stripe (231) and magnetic conduction piece (221) mutual absorption at its border when epiphragma (23) cover in construction area top.
2. The reinforced concrete ground seamless construction device according to claim 1, wherein the conveying passage (21) comprises an air inlet hole (211) opened to the side far away from the concrete construction area and a plurality of branch flow ports (212) opened to the side of the concrete construction area, the plurality of branch flow ports (212) are spaced apart in the height direction of the bracket (1) and communicate with the air inlet hole (211), and the warming member (24) comprises a heating wire (241) disposed in the air inlet hole (211).
3. A reinforced concrete ground seamless construction device according to claim 1, wherein a reset member (14) is provided on the bracket (1), and the reset member (14) drives the side film (22) to reset and wind it on the reel (11) when the side film (22) is disconnected from the adjacent bracket (1).
4. The seamless construction device for reinforced concrete ground as claimed in claim 1, wherein said magnetic strips (231) are plural and uniformly spaced along the edge of the cover film (23), and said magnetic conductive sheets (221) are plural and uniformly spaced along the top edge of the side film (22).
5. A reinforced concrete ground seamless construction device according to claim 1, wherein said gas generating member (25) comprises a carbon dioxide generator, the outlet of which communicates with the conveying channel (21).
6. The seamless construction device for the reinforced concrete ground according to claim 1, wherein the connecting member (3) comprises a hanging ring (31) arranged on one side of the side film (22) far away from the rotating shaft (13), a lifting hook (32) arranged on the bracket (1) in a sliding manner, a bolt (33) threaded through the bracket (1) and a fixing bolt (34) arranged on the bracket (1), the hanging ring (31) is provided with two hanging rings (31) respectively positioned at the top corner and the bottom corner of the side film (22), the lifting hook (32) is in inserting fit with the hanging ring (31) and the openings of the two lifting hooks (32) are respectively upward and downward, the bolt (33) is rotatably connected with the lifting hook (32) and the rotating axis direction of the bolt is consistent with the sliding direction of the lifting hook (32), the sliding directions of the two lifting hooks (32) form an included angle with the horizontal plane and are symmetrical along the horizontal plane, when the lifting hook (32) slides, the opening edge of the lifting hook is abutted to the fixing bolt (34) so that the lifting hook (32), the bracket (1) and the fixing bolt (34) form a closed loop structure.
7. A reinforced concrete ground seamless construction method applied to the reinforced concrete ground seamless construction device of any one of claims 1 to 6, characterized by comprising the steps of:
s100: building a template, placing reinforcing steel bars and fillers in the template, injecting concrete into the built template, and vibrating the concrete to compact the concrete and level the surface;
s200: a plurality of brackets (1) are arranged on the peripheral side of the concrete construction area, the brackets (1) surround the concrete construction area for one circle, and the bottom ends of the brackets (1) are fixed with the ground through screws or rivets;
s300: vertically spreading the side membranes (22), enabling the two ends of each side membrane to be connected to two adjacent supports (1) respectively, and sequentially installing the side membranes (22) on the rest supports (1) until the side membranes (22) surround the concrete construction area for a circle;
s400: spreading the cover film (23) above the concrete construction area, and connecting the edge of the cover film (23) with the top edge of the side film (22) to enable the cover film (23) and the side film (22) to completely cover the concrete construction area;
s500: installing a gas generating member (25) in communication with the delivery conduit;
s600: starting the temperature rising piece (24) and the gas generating piece (25) to enable the gas heated by the temperature rising piece (24) to enter a concrete construction area;
s700: and after the concrete is completely hardened, sequentially removing the gas generating piece (25), the cover film (23), the side film (22) and the bracket (1) to finish the seamless construction of the concrete.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971612Y (en) * | 2006-09-27 | 2007-11-07 | 邓可库 | Moisting maintaining non-weaved fibric for concrete |
| KR100834792B1 (en) * | 2007-04-02 | 2008-06-05 | 손병태 | Cover mounting for concrete slab |
| CN202462596U (en) * | 2012-03-09 | 2012-10-03 | 中铁十一局集团有限公司 | Multilayer curing shed for curing track bed concrete of ballastless track |
| CN103266772A (en) * | 2013-05-20 | 2013-08-28 | 山东恒建工程监理咨询有限公司 | Curing method used for highway engineering construction concrete in winter |
| CN110359718A (en) * | 2019-07-23 | 2019-10-22 | 江苏兆通工程技术有限公司 | A kind of foam concrete curing means |
-
2020
- 2020-03-14 CN CN202010178462.8A patent/CN111364731B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971612Y (en) * | 2006-09-27 | 2007-11-07 | 邓可库 | Moisting maintaining non-weaved fibric for concrete |
| KR100834792B1 (en) * | 2007-04-02 | 2008-06-05 | 손병태 | Cover mounting for concrete slab |
| CN202462596U (en) * | 2012-03-09 | 2012-10-03 | 中铁十一局集团有限公司 | Multilayer curing shed for curing track bed concrete of ballastless track |
| CN103266772A (en) * | 2013-05-20 | 2013-08-28 | 山东恒建工程监理咨询有限公司 | Curing method used for highway engineering construction concrete in winter |
| CN110359718A (en) * | 2019-07-23 | 2019-10-22 | 江苏兆通工程技术有限公司 | A kind of foam concrete curing means |
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