CN108952171B - Method for carrying out concrete pouring construction by civil engineering pouring device - Google Patents

Method for carrying out concrete pouring construction by civil engineering pouring device Download PDF

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CN108952171B
CN108952171B CN201811029952.0A CN201811029952A CN108952171B CN 108952171 B CN108952171 B CN 108952171B CN 201811029952 A CN201811029952 A CN 201811029952A CN 108952171 B CN108952171 B CN 108952171B
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concrete
pouring
channel steel
steel
main
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CN108952171A (en
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韩春静
刘俊峰
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韩春静
刘俊峰
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast

Abstract

The invention provides a civil construction irrigation device, which comprises: the channel steel (1) is used as a concrete buckling track, and the bottom of the channel steel (1) and the top surface of the structure are positioned at the same height level; the tie bars (5) and the support bars (6), the tie bars (5) penetrate through the wood wedge (4) and are arranged at the upper part and the lower part and are respectively provided with 2 symmetrical tie bars, the support bars (6) are arranged at the bottom of the main buckle mold (2), and the tie bars (5) and the support bars (6) are effectively welded with the structural main bars (7) to fix the channel steel (1); the main buckling mold (2) is clamped into a groove of the channel steel (1) and tightly attached to the lower bottom, the rubber pipe (3) is clamped into the top, a wood wedge (4) is wedged into a track of the channel steel (2) above the rubber pipe (3), the wood wedge is wedged tightly, and the height of the main buckling mold (2) is increased along with the pouring height of concrete under the pouring condition of concrete. A corresponding concrete pouring construction method is also disclosed. The construction efficiency is improved, the material consumption and the engineering cost are reduced, the vibration is convenient, the concrete pouring quality is ensured, and no slurry leakage exists.

Description

Method for carrying out concrete pouring construction by civil engineering pouring device
Technical Field
The invention relates to a civil engineering technical method, in particular to a civil engineering pouring device and a concrete pouring construction method.
Background
Concrete is a hydraulic material, and concrete curing is an important process for ensuring the construction quality of concrete. In the concrete strength increasing period, in order to avoid surface evaporation and water loss caused by other reasons, the hydration of the concrete is fully carried out. In some engineering constructions, most of the inclined concrete pouring adopts the traditional steel pipe buckling mould, the construction process is complicated, the number of holes on the template is large, the material loss is serious, the use amount of tie bars, steel pipe surrounding purlins and the like is large, the material consumption is large, the time of the formwork erecting process is long, the construction slurry leakage is serious, and the construction cost is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a civil construction pouring device.
The invention aims to provide a civil construction pouring device, which comprises:
the channel steel (1) is used as a concrete buckling track, and the bottom of the channel steel (1) and the top surface of the structure are positioned at the same height level;
the steel bar fixing structure comprises tie bars (5) and supporting bars (6), wherein the tie bars (5) penetrate through a wood wedge (4) and are arranged at the upper part and the lower part and are respectively provided with 2 symmetrical tie bars, the supporting bars (6) are arranged at the bottom of a main buckling die (2), and the tie bars (5) and the supporting bars (6) are effectively welded with a structural main bar (7) to fix the channel steel (1);
the main buckling die (2) is clamped into the groove of the channel steel (1) and tightly attached to the bottom, the rubber pipe (3) is clamped into the top of the main buckling die (2), a wood wedge (4) is wedged into the track of the channel steel (2) above the rubber pipe (3) and is wedged tightly, and the height of the main buckling die is increased along with the pouring height of concrete under the pouring condition of concrete.
Preferably, the channel steel (1) is 10 #.
Preferably, the main buckle die (2) is a 3015 template.
Preferably, the diameter of the lacing wire (5) is 6.5mm, and the diameter of the bracing wire (6) is 22 mm.
Preferably, the top and the bottom of the lacing wire (5) are respectively provided with a reinforcing steel bar pull ring (8) with the diameter of 22 mm.
Preferably, still include the watering mouth that main knot mould (2) one end set up, watering mouth department sets up plank sheathing (9), plank sheathing (9) lower part sets up structure line (10), sets up basic anchor (11) on structure line (10), prop muscle (6) with basic anchor (11) rigid connection.
Preferably, a steel molding surface is formed between the main buckle die (2) and the wood wedge (4).
The invention also aims to provide a method for carrying out concrete pouring construction by adopting the civil engineering construction pouring device, which comprises the following steps:
firstly, construction preparation, examining a design drawing, familiarizing with relevant data and knowing a design intention; determining a reasonable construction method and determining a mixing proportion according to a design drawing and site construction conditions; establishing a measurement control network, and accurately performing paying-off measurement; performing site engineering technology, and performing safe first-level and second-level technology intersection; arranging a mixing station and a reinforcing steel bar processing field on site according to the construction length provided by an owner;
secondly, measurement and paying-off are carried out in the construction process, after slope virtual slag is cleaned, field constructors carry out measurement and paying-off, the position of technical parameters such as the width and the height of the slope is determined, a vertically upward reinforcing steel bar is welded on a structural main rib wound to serve as an identification rib, toe board pouring elevations are marked on the identification rib by red paint, and the corresponding channel steel installation elevation and the toe board pouring elevations are the same height;
thirdly, manufacturing and installing the steel bars, constructing the steel bars after the steel bars are accepted and accepted, calculating and blanking the steel bars by professional technicians in a steel bar processing field according to the designed size, transporting the steel bars to a construction site by adopting a 5t flat car for installation, welding the steel bars on a single side, and binding and overlapping the steel bars for 10d and 35 d;
fixing channel steel, in order to ensure that the channel steel does not deviate due to external force effects such as vibration and extrusion in the pouring process to cause toe board pouring to meet the quality requirement, fixing the position of the channel steel, spot-welding a supporting rib (6) with the diameter of 22mm on a main structural rib (7) to support the position of the channel steel (1), wherein the height of the channel steel is the same as the pouring height of concrete, aligning the bottom of the channel steel (1) with the top of the supporting rib (6), spot-welding the channel steel (1) and the supporting rib (6) at a corresponding distance to ensure that the channel steel (1) is stable and does not sink, measuring the installation height of the pay-off rechecking channel steel (1) again after welding is finished, and ensuring that the installation height of the channel steel (1) is consistent with the pouring height of a designed toe board, namely the size of the concrete structure meets the design requirement;
welding the tie bars (5) with the structural main bars (7), making a steel bar penetrating ring (8) at the top, wherein the diameter of the steel bar penetrating ring is 22mm, and downwards buckling the channel steel (1);
sixthly, pouring concrete, conveying the concrete to a chute by a concrete transportation tank car, putting the concrete into the chute for pouring, installing a main buckling mold (2) along with the rising of the pouring height of the concrete, sealing the upper part of the concrete by adopting a pressing surface of a rubber pipe (3), prefabricating the rubber pipe (3), flattening the prefabricated rubber pipe (3), inserting the rubber pipe (3) into the channel steel (1) from one side, gradually drawing the main buckling molds (2) at two sides close and tightly adhering the rubber pipe (3), enabling the rubber pipe (3) to be in a completely extruded state at the moment, enabling the joint between the main rib (7) and the main buckling mold (2) of the structure to be almost completely occupied, enabling the slurry concrete not to leak, wedging a wood wedge (4) into the rubber pipe (3), repeating the step six to the pouring along with the increase of the pouring height of the concrete, and compacting the concrete by adopting a vibrating rod with the diameter of 30mm and the diameter of 50mm, vibrating a steel bar dense area around the water stop embedded part and the main buckling mould by adopting a vibrating rod with the diameter of 30mm, wherein the vibrating time is 25 s;
seventhly, pouring by adopting a guide pipe with the diameter of 250-300mm, wherein the diameter is not less than 8 times of the maximum aggregate grain diameter, each section is 3m long, the guide pipe is connected by a quick connector, a funnel is arranged at the top, the guide pipe is hoisted by hoisting equipment and can be lifted, before pouring, the lower opening of the guide pipe is firstly blocked by a water-proof plug, the water-proof plug is hoisted by an iron wire, then a certain amount of concrete is poured in the guide pipe, the funnel before opening the guide pipe and the concrete in the guide pipe are ensured to be enough to seal and be higher than the pipe opening after the concrete with the amount is flushed out, the guide pipe is inserted into water, the distance between the lower opening and the bottom surface is about 300mm, pouring is carried out, after the volume and the height of the concrete in the guide pipe meet the requirements, the iron wire for hoisting the water-proof plug is cut off, the concrete enters the water under the action of self-weight, the concrete after pouring, the guide pipe is slowly lifted, the lower opening of the guide pipe is, after the pouring is finished, removing a layer of soft part of the upper layer of the channel steel (1) which is contacted with water or slurry;
step eight, curing is started after concrete pouring is finished and initial setting is finished, geotextile is laid on the surface of the concrete, watering perforated pipes are installed, curing is carried out by adopting long flowing water, and the curing time of the concrete is not less than 28 days;
and step nine, dismantling the main buckling mold (2) when the concrete construction is finished and the concrete strength reaches 75% of the design strength, dismantling the main buckling mold (2) in a later installation sequence, firstly dismantling the main buckling mold (2), and cutting off the tie bars (5) on the channel steel when the channel steel (1) is dismantled, and then dismantling the channel steel (1).
The invention has the beneficial effects that: the channel steel is adopted as the buckling mould track to carry out slope concrete pouring, so that the construction efficiency is improved, the construction time is shortened, the material consumption and the engineering cost are reduced, the construction method is simple and convenient, and the materials are common materials in the construction site and can be recycled for secondary use; the method has the advantages that the applicability is wide, the width can be freely combined, the limit value of the slope surface steepness degree is avoided, the concrete pouring and the formwork erecting process are synchronously carried out, the formwork erecting time is saved, the construction efficiency is improved by more than 1 time, the vibration is convenient, and the concrete pouring quality is guaranteed.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. The objects and features of the present invention will become more apparent in view of the following description taken in conjunction with the accompanying drawings, in which:
fig. 1 is a structural view of a civil engineering irrigation apparatus according to an embodiment of the present invention;
fig. 2 is a view showing the installation of a main formwork of the civil engineering irrigation apparatus according to the embodiment of the present invention.
Detailed Description
Referring to fig. 1-2, a civil construction watering device, comprising: the No. 10 channel steel 1 is used as a slope concrete buckling track, and the bottom of the channel steel and the top surface of a structural slope are positioned at the same height level; the tie bars 5 with the diameter of 6.5mm and the support bars 6 with the diameter of 22mm are arranged, the tie bars 5 penetrate through the wood wedge 4 and are arranged up and down symmetrically by 2, the support bars 6 are arranged at the bottom of the main buckle die 2, the tie bars 5 and the support bars 6 are effectively welded with the structural main bars 7 to fix the channel steel 1, and the channel steel 1 is convenient to remove and is firm without bursting during welding; the main mould 2 that detains, the main mould 2 card that detains is gone into in 1 recess of channel-section steel and is pasted tightly with lower bottom, the rubber tube 3 is gone into to main mould 2 top card that detains, and adopt wooden wedge 4 wedge in the track of channel-section steel 2 above the rubber tube 3, wedge, concrete placement under the circumstances along with the height increase main mould that detains of concrete placement, in this embodiment, main mould 2 that detains adopts 3015 template, the top and the bottom of lacing wire 5 set up reinforcing bar pull ring 8 respectively, its diameter is 22mm, the watering mouth that 2 one end of main mould 2 set up, watering mouth department sets up wooden template 9, wooden template 9 lower part sets up construction line 10, set up basic anchor bar 11 on the construction line 10, prop muscle 6 and basic anchor bar 11 rigid connection, form the steel die pressure face between main mould 2 and the wooden wedge 4.
This embodiment adopts this civil engineering watering device to changeable abrupt slope widen face inclined plane construction, including the step as follows:
firstly, construction preparation, examining a design drawing, familiarizing with relevant data and knowing a design intention; determining a reasonable construction method and determining a mixing proportion according to a design drawing and site construction conditions; establishing a measurement control network, and accurately performing paying-off measurement; performing site engineering technology, and performing safe first-level and second-level technology intersection; arranging a mixing station and a reinforcing steel bar processing field on site according to the construction length provided by an owner;
secondly, measurement and paying-off are carried out in the construction process, after slope virtual slag is cleaned, field constructors carry out measurement and paying-off, the position of technical parameters such as the width and the height of the slope is determined, a vertically upward reinforcing steel bar is welded on a structural main rib wound to serve as an identification rib, toe board pouring elevations are marked on the identification rib by red paint, and the corresponding channel steel installation elevation and the toe board pouring elevations are the same height;
step three, manufacturing and installing steel bars, constructing after the steel bars are accepted and accepted, uniformly calculating and blanking the steel bars by professional technicians in a steel bar processing field according to the design size, transporting the steel bars to a construction site by adopting a 5t flat car for installation, welding the steel bars on one side, and binding and overlapping the steel bars for 10d and 35d, wherein the steel bar installation meets the design and related standard requirements, and the welding line is full and flat, and has no bubble and no undercut phenomenon;
step four, fixing channel steel, in order to ensure that the channel steel does not deviate due to external force effects such as vibration and extrusion in the pouring process, and toe board pouring does not meet quality requirements, fixing the position of the channel steel, under the premise of ensuring that later-stage disassembly is convenient, spot welding a supporting rib 6 with the diameter of 22mm on a main structural rib 7 to support the position of the channel steel 1, wherein the height of the supporting rib is the same as the pouring height of concrete, aligning the bottom of the channel steel 1 with the top of the supporting rib 6, taking corresponding distances to spot weld the channel steel 1 and the supporting rib 6, ensuring that the channel steel 1 is stable and does not sink, measuring the mounting height of the pay-off rechecking channel steel 1 again after welding is finished, and ensuring that the mounting height of the channel steel 1 is matched with the pouring height of a;
step five, effectively welding the tie bars 5 with the structural main bars 7, making reinforcing steel bar penetrating pull rings 8 on the tops, wherein the diameters of the tie bars are 22mm, and downwards buckling the channel steel 1, so that the channel steel 1 and the main buckling die 2 are prevented from deforming or die slipping due to the lateral pressure of concrete in the concrete pouring process;
sixthly, pouring concrete, conveying the concrete to a chute by a concrete transportation tank car, putting the concrete into the chute for pouring, installing a main buckling mold (2) along with the rising of the pouring height of the concrete, sealing the upper part of the concrete by adopting a pressing surface of a rubber pipe (3), prefabricating the rubber pipe (3), flattening the prefabricated rubber pipe (3), inserting the rubber pipe (3) into the channel steel (1) from one side, gradually drawing the main buckling molds (2) at two sides close and tightly adhering the rubber pipe (3), enabling the rubber pipe (3) to be in a completely extruded state at the moment, enabling the joint between the main rib (7) and the main buckling mold (2) of the structure to be almost completely occupied, enabling the slurry concrete not to leak, wedging a wood wedge (4) into the rubber pipe (3), repeating the step six to the pouring along with the increase of the pouring height of the concrete, and compacting the concrete by adopting a vibrating rod with the diameter of 30mm and the diameter of 50mm, vibrating a steel bar dense area around the water stop embedded part and the main buckling mould by adopting a vibrating rod with the diameter of 30mm, wherein the vibrating time is 25 s;
seventhly, a guide pipe with the diameter of 250-300mm is adopted for pouring, the diameter is not less than 8 times of the maximum aggregate particle diameter, each section is 3m long, a quick connector is used for connecting, a funnel is arranged at the top, the guide pipe is hoisted by hoisting equipment and can be lifted, before pouring, the lower opening of the guide pipe is firstly blocked by a water-proof plug, the water-proof plug is hoisted by iron wires, then a certain amount of concrete is poured in the guide pipe, the condition that the amount of the concrete in the funnel and the pipe before opening the pipe is enough to seal and be higher than the pipe opening after the concrete is flushed out is ensured, the guide pipe is inserted into water, the pouring is carried out when the distance between the lower opening and the bottom surface is about 300mm, the pipe is easily blocked when the distance is too small, the amount of the concrete in the funnel and the pipe is more when the size and the height of the concrete in the guide pipe meet the requirements, the iron wires for hanging the water-proof plug are cut to, after that, when the concrete is evenly poured, the guide pipe is slowly lifted, the lower opening of the guide pipe is always kept below the surface of the concrete and is not less than 1-1.5m, the deeper the lower opening is buried, the flatter the top surface of the concrete is, the better the quality is, the harder the concrete is poured, and after pouring is finished, a layer of soft part of the upper layer of the channel steel, which is in contact with water or slurry, is removed;
step eight, curing is started after concrete pouring is finished and initial setting is finished, geotextile is laid on the surface of the concrete, watering perforated pipes are installed, curing is carried out by adopting long flowing water, and the curing time of the concrete is not less than 28 days;
and step nine, removing the main buckling mold 2 when the concrete construction is finished and the concrete strength reaches 75% of the design strength, removing the main buckling mold 2 which is installed later in the removing sequence, removing the main buckling mold 2 firstly, cutting off the lacing wire 5 with the diameter of 6.5mm on the channel steel when the channel steel 1 is removed, and removing the channel steel 1.
The channel steel of the embodiment is adopted as the buckling mould track to carry out slope concrete pouring, so that the construction efficiency is improved, the construction time is shortened, the material consumption and the engineering cost are reduced, the construction method is simple and convenient, and the materials are common materials in the construction site and can be recycled for secondary use; the method has the advantages that the applicability is wide, the width can be freely combined, the limit value of the slope surface steepness degree is avoided, the concrete pouring and the formwork erecting process are synchronously carried out, the formwork erecting time is saved, the construction efficiency is improved by more than 1 time, the vibration is convenient, and the concrete pouring quality is guaranteed.
While the present invention has been described with reference to the particular illustrative embodiments, it is not to be restricted by the embodiments but only by the appended claims. It will be understood by those skilled in the art that variations and modifications of the embodiments of the present invention can be made without departing from the scope and spirit of the invention.

Claims (1)

1. A method for carrying out concrete pouring construction by adopting a civil engineering pouring device is characterized by comprising the following steps: civil engineering watering device includes: the channel steel (1) is used as a concrete buckling track, and the bottom of the channel steel (1) and the top surface of the structure are positioned at the same height level; the steel bar fixing structure comprises tie bars (5) and supporting bars (6), wherein the tie bars (5) penetrate through a wood wedge (4) and are arranged at the upper part and the lower part and are respectively provided with 2 symmetrical tie bars, the supporting bars (6) are arranged at the bottom of a main buckling die (2), and the tie bars (5) and the supporting bars (6) are effectively welded with a structural main bar (7) to fix the channel steel (1); the main buckling die (2) is clamped into the groove of the channel steel (1) and is tightly attached to the lower bottom, the top of the main buckling die (2) is clamped into the rubber pipe (3), the main buckling die is wedged into a track of the channel steel (2) above the rubber pipe (3) by a wood wedge (4), and the height of the main buckling die is increased along with the pouring height of concrete under the pouring condition of the concrete; the channel steel (1) is 10 #; the main buckle die (2) is a 3015 template; the diameter of the lacing wire (5) is 6.5mm, and the diameter of the bracing wire (6) is 22 mm; the top and the bottom of the lacing bar (5) are respectively provided with a reinforcing steel bar pull ring (8), and the diameter of the reinforcing steel bar pull ring is 22 mm; the mould is characterized by further comprising a pouring opening arranged at one end of the main buckling mould (2), a wood formwork (9) is arranged at the pouring opening, a structure line (10) is arranged at the lower part of the wood formwork (9), a foundation anchor bar (11) is arranged on the structure line (10), and the support bar (6) is rigidly connected with the foundation anchor bar (11); a steel die pressing surface is formed between the main buckling die (2) and the wood wedge (4);
the method comprises the following steps:
firstly, construction preparation, examining a design drawing, familiarizing with relevant data and knowing a design intention; determining a reasonable construction method and determining a mixing proportion according to a design drawing and site construction conditions; establishing a measurement control network, and accurately performing paying-off measurement; performing site engineering technology, and performing safe first-level and second-level technology intersection; arranging a mixing station and a reinforcing steel bar processing field on site according to the construction length provided by an owner;
secondly, measurement and paying-off are carried out in the construction process, after slope virtual slag is cleaned, field constructors carry out measurement and paying-off, the position of technical parameters such as the width and the height of the slope is determined, a vertically upward reinforcing steel bar is welded on a structural main rib wound to serve as an identification rib, toe board pouring elevations are marked on the identification rib by red paint, and the corresponding channel steel installation elevation and the toe board pouring elevations are the same height;
thirdly, manufacturing and installing the steel bars, constructing the steel bars after the steel bars are accepted and accepted, calculating and blanking the steel bars by professional technicians in a steel bar processing field according to the designed size, transporting the steel bars to a construction site by adopting a 5t flat car for installation, welding the steel bars on a single side, and binding and overlapping the steel bars for 10d and 35 d;
fixing channel steel, in order to ensure that the channel steel does not deviate due to external force effects such as vibration and extrusion in the pouring process to cause toe board pouring to meet the quality requirement, fixing the position of the channel steel, spot-welding a supporting rib (6) with the diameter of 22mm on a main structural rib (7) to support the position of the channel steel (1), wherein the height of the channel steel is the same as the pouring height of concrete, aligning the bottom of the channel steel (1) with the top of the supporting rib (6), spot-welding the channel steel (1) and the supporting rib (6) at a corresponding distance to ensure that the channel steel (1) is stable and does not sink, measuring the installation height of the pay-off rechecking channel steel (1) again after welding is finished, and ensuring that the installation height of the channel steel (1) is consistent with the pouring height of a designed toe board, namely the size of the concrete structure meets the design requirement;
welding the tie bars (5) with the structural main bars (7), making a steel bar penetrating ring (8) at the top, wherein the diameter of the steel bar penetrating ring is 22mm, and downwards buckling the channel steel (1);
sixthly, pouring concrete, conveying the concrete to a chute by a concrete transportation tank car, putting the concrete into the chute for pouring, installing a main buckling mold (2) along with the rising of the pouring height of the concrete, sealing the upper part of the concrete by adopting a pressing surface of a rubber pipe (3), prefabricating the rubber pipe (3), flattening the prefabricated rubber pipe (3), inserting the rubber pipe (3) into the channel steel (1) from one side, gradually drawing the main buckling molds (2) at two sides close and tightly adhering the rubber pipe (3), enabling the rubber pipe (3) to be in a completely extruded state at the moment, enabling the joint between the main rib (7) and the main buckling mold (2) of the structure to be almost completely occupied, enabling the slurry concrete not to leak, wedging a wood wedge (4) into the rubber pipe (3), repeating the step six to the pouring along with the increase of the pouring height of the concrete, and compacting the concrete by adopting a vibrating rod with the diameter of 30mm and the diameter of 50mm, vibrating a steel bar dense area around the water stop embedded part and the main buckling mould by adopting a vibrating rod with the diameter of 30mm, wherein the vibrating time is 25 s;
seventhly, pouring by adopting a guide pipe with the diameter of 250-300mm, wherein the diameter is not less than 8 times of the maximum aggregate grain diameter, each section is 3m long, the guide pipe is connected by a quick connector, a funnel is arranged at the top, the guide pipe is hoisted by hoisting equipment and can be lifted, before pouring, the lower opening of the guide pipe is firstly blocked by a water-proof plug, the water-proof plug is hoisted by an iron wire, then a certain amount of concrete is poured in the guide pipe, the funnel before opening the guide pipe and the concrete in the guide pipe are ensured to be enough to seal and be higher than the pipe opening after the concrete in the amount is flushed out, the guide pipe is inserted into water, the distance from the lower opening to the bottom surface is about 300mm, pouring is carried out, after the volume and the height of the concrete in the guide pipe meet the requirements, the iron wire for hoisting the water-proof plug is cut off to open the guide pipe, the concrete enters the water under the action of self weight, after the concrete is poured uniformly, the guide pipe is slowly lifted, the lower opening, after the pouring is finished, removing a layer of soft part of the upper layer of the channel steel (1) which is contacted with water or slurry;
step eight, curing is started after concrete pouring is finished and initial setting is finished, geotextile is laid on the surface of the concrete, watering perforated pipes are installed, curing is carried out by adopting long flowing water, and the curing time of the concrete is not less than 28 days;
and step nine, dismantling the main buckling mold (2) when the concrete construction is finished and the concrete strength reaches 75% of the design strength, dismantling the main buckling mold (2) in a later installation sequence, firstly dismantling the main buckling mold (2), and cutting off the tie bars (5) on the channel steel when the channel steel (1) is dismantled, and then dismantling the channel steel (1).
CN201811029952.0A 2018-09-05 2018-09-05 Method for carrying out concrete pouring construction by civil engineering pouring device Active CN108952171B (en)

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Publication number Priority date Publication date Assignee Title
CN203878589U (en) * 2014-06-12 2014-10-15 中国水利水电第五工程局有限公司 Buckling formwork concrete pouring device used for changeable abrupt slope variable-width inclined plane
CN104963289B (en) * 2015-06-09 2016-11-02 沈阳市政集团有限公司 A kind of abnormity pier stud mass concrete overall time pouring construction method
CN105178322B (en) * 2015-08-28 2017-09-26 上海市政工程设计研究总院(集团)有限公司 A kind of grouting construction method

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