CN111070379B - Production method of high-bearing easy-to-install composite beam - Google Patents
Production method of high-bearing easy-to-install composite beam Download PDFInfo
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- CN111070379B CN111070379B CN201911403552.6A CN201911403552A CN111070379B CN 111070379 B CN111070379 B CN 111070379B CN 201911403552 A CN201911403552 A CN 201911403552A CN 111070379 B CN111070379 B CN 111070379B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
- B28B23/024—Supporting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
- B28B7/384—Treating agents
Abstract
The invention belongs to the technical field of constructional engineering, and particularly relates to a production method of a high-bearing easy-to-mount composite beam. The invention comprises the following steps in sequence: the method comprises the steps of assembling and cleaning a mould, marking, painting a release agent, distributing a reinforcement cage, fixing an embedded part, pouring and vibrating concrete, maintaining, demoulding and lifting. In the process of producing the composite beam, each intersection point of the reinforcement cage is bound and fixed by using the binding wires, the binding method is that two adjacent binding wires are in a splayed shape or an inverted splayed shape, and the tips of the binding wires are bent inwards after binding is finished, so that the thickness of a poured concrete layer is ensured, the stability of the reinforcement cage is improved, and the composite beam has better strength and bearing capacity.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a production method of a high-bearing easy-to-mount composite beam.
Background
The superposed beam is a beam which is cast and tamped with concrete twice, and is made into a precast beam in a precast yard for the first time; and the second time is carried out on the construction site, and after the hoisting and the placement of the precast beam are finished, the concrete at the upper part is poured and tamped to be connected into a whole. The composite beam is applied to the building field, the height occupied by the structure can be reduced, the building clearance is increased, and the functions of bearing and supporting are achieved.
For example, the chinese invention patent application discloses a prefabricated laminated slab side form slurry leakage prevention device [ application number: 201711009729.5], the invention comprises a die assembly, the die assembly comprises a beam top die, a beam bottom die and beam end dies which are vertically arranged above the trolley, the beam top die and the beam bottom die are arranged in parallel, the beam end dies are arranged at two sides of the beam top die and the beam bottom die, the beam top die, the beam bottom die and the beam end dies at two sides are enclosed to form a frame type die cavity with an upper end opening, and a row of parallel stirrup grooves is arranged on the beam top die.
The invention has the advantages of simple structure, convenient use and capability of improving the production efficiency and the production quality of the component, but the invention still does not solve the problems.
Disclosure of Invention
The invention aims to solve the problems and provides a production method of a high-bearing easy-to-mount composite beam.
In order to achieve the purpose, the invention adopts the following technical scheme:
a production method of a high-bearing easy-to-mount composite beam comprises the following steps:
the method comprises the following steps: cleaning the mold assembly, taking out the mold assembly, polishing and cleaning the rusty area of the mold surface by using sand paper or a polishing machine to ensure that the surface gloss of the component is free of foreign matters, and then completing the mold assembly according to a mold assembly drawing;
step two: marking, confirming a reference point, and marking out a reserved embedded position;
step three: coating a release agent, namely uniformly coating the release agent on the surface of the bottom film and the two side surfaces of the mold;
step four: laying a reinforcement cage, marking the reinforcement cage according to the marking in the first step, binding a protective layer cushion block on the side face of the reinforcement cage, binding each vertical plane reinforcement mesh intersection of the reinforcement cage by using a binding wire, wherein the inclination directions of two adjacent binding wires are opposite, and after binding is finished, bending the end of the binding wire towards the inside of the reinforcement cage;
step five: fixing the embedded part, and adsorbing the mounting nut with the magnetic chassis on the positioning point according to the marking in the second step;
step six: concrete pouring and vibrating, namely transporting the stirred concrete to a superposed beam pouring station, opening a vibrating rod to start uniform-speed vibration after the concrete is injected into a mould, cleaning the concrete at the periphery of the mould and at the reinforcement outlet part of a stirrup by using a brush and a plastering knife after the vibrating is finished, and manually roughening after the pouring is finished to obtain a superposed beam rough blank;
step seven: curing, namely feeding the superposed beam rough blank obtained in the step six into a curing kiln, and curing for 8-12h by steam;
step eight: and demolding and lifting, taking the cured rough blank of the superposed beam out of the curing kiln, tapping the die until the die is separated from the components to obtain a finished product of the superposed beam, and lifting the finished product of the superposed beam to a stacking area.
In the production method of the high-bearing easy-to-mount composite beam, the reinforcement cage comprises the transverse reinforcement, the longitudinal reinforcement and the vertical reinforcement which extend towards three mutually perpendicular directions respectively, the intersection point position between two remaining reinforcements in the transverse reinforcement, the longitudinal reinforcement and the vertical reinforcement is bound and fixed through the binding wires, and the inclination directions of two adjacent binding wires are opposite.
In the production method of the high-bearing easy-to-mount composite beam, the transverse steel bars, the longitudinal steel bars and the vertical steel bars enclose to form a reinforcing space, a reinforcing member is arranged in the reinforcing space, and the reinforcing member is connected with a mounting member fixedly connected to the inner side of the vertical steel bars.
In the production method of the high-bearing easy-to-mount composite beam, the reinforcing member comprises two integrally-formed reinforcing plates extending in a staggered manner, the end parts of the reinforcing plates are connected with the mounting part, and the reinforcing member further comprises reinforcing rods, the two ends of each reinforcing rod are respectively connected with the end parts of different reinforcing plates located on the same side.
In the production method of the high-bearing easy-to-install composite beam, the included angle between one side of the two reinforcing plates close to the reinforcing rods is 30-45 degrees.
In the production method of the high-bearing easy-to-install composite beam, the axial leads of all the reinforcing rods are parallel to each other.
In the production method of the high-bearing easy-to-mount composite beam, the mold release agent in the third step comprises 1-2 parts by mass of sodium octadecyl toluene sulfonate, 20-40 parts by mass of waste diesel oil, 30-50 parts by mass of deionized water, 9-15 parts by mass of nano silicon dioxide, 0.01-0.1 part by mass of sodium dihydrogen phosphate, 0.01-0.1 part by mass of citric acid and 10-20 parts by mass of ethanol.
In the production method of the high-bearing easy-to-mount composite beam, the release agent comprises 1.5 parts by mass of sodium octadecyl toluene sulfonate, 30 parts by mass of waste diesel oil, 40 parts by mass of deionized water, 12 parts by mass of nano silicon dioxide, 0.05 part by mass of sodium dihydrogen phosphate, 0.051 part by mass of citric acid and 15 parts by mass of ethanol.
In the production method of the high-bearing easy-to-mount composite beam, the particle size of the nano silicon dioxide is 40-80 nm.
In the production method of the high-bearing easy-to-mount composite beam, the steam temperature of steam curing in the seventh step is lower than 80 ℃, and the steam pressure is lower than 60 kPa.
Compared with the prior art, the invention has the advantages that:
1. in the process of producing the composite beam, each intersection of the reinforcement cage is bound and fixed by using the binding wires, the binding method is that two adjacent binding wires are in a splayed shape or an inverted splayed shape, and the tips of the binding wires are bent inwards after the binding is finished, so that the thickness of a poured concrete layer is ensured, the stability of the reinforcement cage is improved, and the composite beam has better strength and bearing capacity.
2. The mold release agent has a good mold release effect, prevents the superposed beam from being adhered to a mold assembly, ensures the flatness of the surface of the prepared superposed beam, and facilitates the installation and connection of the superposed beam and a superposed floor slab.
Drawings
FIG. 1 is a front view of a reinforcement cage;
FIG. 2 is a right side view of the reinforcement cage;
FIG. 3 is a schematic illustration of a reinforcement structure;
in the figure: the steel reinforcement cage comprises a steel reinforcement cage 1, a binding wire 2, transverse steel bars 11, longitudinal steel bars 12, vertical steel bars 13, a reinforcing space 14, reinforcing members 15, mounting members 16, reinforcing plates 17 and reinforcing rods 18.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
The embodiment provides a production method of a high-bearing easy-to-mount composite beam, which is shown in fig. 1-3 and comprises the following steps:
the method comprises the following steps: cleaning the mold assembly, taking out the mold assembly, polishing and cleaning the rusty area of the mold surface by using sand paper or a polishing machine to ensure that the surface gloss of the component is free of foreign matters, and then completing the mold assembly according to a mold assembly drawing;
step two: marking, confirming a reference point, and marking out a reserved embedded position;
step three: coating a release agent, uniformly coating the release agent on the bottom film surface and two side surfaces of a mold, wherein the release agent comprises 1 part by mass of sodium octadecyl toluene sulfonate, 20 parts by mass of waste diesel oil, 50 parts by mass of deionized water, 9 parts by mass of nano-silica with the particle size of 40nm, 0.01 part by mass of sodium dihydrogen phosphate, 0.01 part by mass of citric acid and 10 parts by mass of ethanol, the waste diesel oil can be used for secondary utilization of the diesel oil, the cost is saved, the sodium dihydrogen phosphate and the citric acid are a pair of acid-base buffer pair, the pH value can be stabilized between 2 and 4, the dispersion stability of the nano-silica in the deionized water is improved, after the nano-silica is added into the release agent, a layer of film can be formed on the surface of the mold component after coating volatilization of the release agent, so that the success rate of mold release is greatly improved, namely, the release agent has a good mold release effect, and adhesion between a superposed beam and the mold component is prevented, the flatness of the surface of the manufactured superposed beam can be ensured, the installation and connection between the superposed beam and a superposed floor slab are facilitated, and meanwhile, the release agent is removed conveniently during later-stage die table cleaning;
step four: laying a reinforcement cage 1, placing the reinforcement cage 1 according to the marking marks in the step one, binding a protective layer cushion block on the side face of the reinforcement cage 1, binding each vertical face reinforcement mesh intersection of the reinforcement cage 1 by using a binding wire 2, wherein the inclination directions of two adjacent binding wires 2 are opposite, namely the two adjacent binding wires are in a splayed shape or an inverted splayed shape, and after the binding is finished, bending the tip of the binding wire 2 towards the inside of the reinforcement cage 1, so that in the process of producing the superposed beam, each intersection of the reinforcement cage is bound and fixed by using the binding wire, and after the binding is finished, the tip of the binding wire is bent inwards, so that the thickness of a poured concrete layer is ensured, the stability of the reinforcement cage is improved, and the superposed beam is ensured to have better strength and bearing capacity;
step five: fixing the embedded part, and adsorbing the mounting nut with the magnetic chassis on the positioning point according to the marking in the second step;
step six: concrete pouring and vibrating, namely transporting the stirred concrete to a superposed beam pouring station, opening a vibrating rod to start uniform-speed vibration after the concrete is injected into a mould, cleaning the concrete at the periphery of the mould and at the reinforcement outlet part of a stirrup by using a brush and a plastering knife after the vibrating is finished, and manually roughening after the pouring is finished to obtain a superposed beam rough blank;
step seven: curing, namely feeding the superposed beam rough blank obtained in the step six into a curing kiln, and performing steam curing for 8 hours under the conditions that the steam temperature is 70 ℃ and the steam pressure is 50 kPa;
step eight: and demolding and lifting, taking the cured rough blank of the superposed beam out of the curing kiln, tapping the die until the die is separated from the components to obtain a finished product of the superposed beam, and lifting the finished product of the superposed beam to a stacking area.
Referring to fig. 1 and 2, the reinforcement cage 1 includes transverse reinforcement bars 11, longitudinal reinforcement bars 12 and vertical reinforcement bars 13 extending in three mutually perpendicular directions, wherein intersection positions between two reinforcement bars of the transverse reinforcement bars 11, the longitudinal reinforcement bars 12 and the vertical reinforcement bars 13 are bound and fixed by binding wires 2, inclination directions of two adjacent binding wires 2 are opposite, the transverse reinforcement bars 11, the longitudinal reinforcement bars 12 and the vertical reinforcement bars 13 enclose a reinforcement space 14, a reinforcement member 15 is arranged in the reinforcement space 14, the reinforcement member 15 is connected with a mounting member 16 fixedly connected to an inner side of the vertical reinforcement bars 13, most of the reinforcement cages 1 in the prior art are woven by the reinforcement bars in the three directions, and a larger supporting force can be provided by the longer transverse reinforcement bars 11 in the transverse direction, but the longitudinal reinforcement bars 12 are less arranged, because the required length of the longitudinal reinforcement bars 12 is shorter, further shearing processing of the reinforcement bars is required, therefore, the arrangement of a large number of longitudinal reinforcements 12 results in a large workload, which causes the reinforcement cage 1 in the prior art to have a low longitudinal strength, and if the composite beam is subjected to a longitudinal impact force for a long time, the reinforcement cage 1 and the composite beam are damaged as a whole, so the present invention solves the above problem by arranging a reinforcement member 15 in the reinforcement space 14.
As shown in fig. 3, the reinforcing member 15 includes two reinforcing plates 17 formed integrally and extending in a staggered manner, the ends of the reinforcing plates 17 are connected to the mounting members 16, and the reinforcing member 15 further includes reinforcing rods 18 having two ends connected to the ends of the different reinforcing plates 17 on the same side, so that the reinforcing member 15 is cut to form two triangular regions, thereby further ensuring stability and longitudinal strength.
Preferably, the included angle between the two reinforcing plates 17 and the side close to the reinforcing rod 18 is 30-45 degrees, so that the opening degree between the two reinforcing plates 17 is in a proper range, the proper reinforcing force is provided for the reinforcement cage 1, and meanwhile, the included angle is matched with the shape of the inner space of the reinforcement cage 1, namely the reinforcing cavity 14, so that the installation of the reinforcing member 15 is facilitated.
Preferably, the axes of each of the reinforcing rods 18 are parallel to each other, which ensures that the forces provided by each of the reinforcing rods 18 are parallel to each other to form a large resultant force.
Example 2
The embodiment provides a production method of a high-bearing easy-to-mount composite beam, which is shown in fig. 1-3 and comprises the following steps:
the method comprises the following steps: cleaning the mold assembly, taking out the mold assembly, polishing and cleaning the rusty area of the mold surface by using sand paper or a polishing machine to ensure that the surface gloss of the component is free of foreign matters, and then completing the mold assembly according to a mold assembly drawing;
step two: marking, confirming a reference point, and marking out a reserved embedded position;
step three: coating a release agent, namely uniformly coating the release agent on the surface of a bottom film and two side surfaces of a mold, wherein the release agent comprises 1 part by mass of sodium octadecyl toluene sulfonate, 20 parts by mass of waste diesel oil, 50 parts by mass of deionized water, 9 parts by mass of nano silicon dioxide with the particle size of 40nm, 0.01 part by mass of sodium dihydrogen phosphate, 0.01 part by mass of citric acid and 10 parts by mass of ethanol;
step four: laying a reinforcement cage 1, placing the reinforcement cage 1 according to the marking marks in the step one, binding a protective layer cushion block on the side face of the reinforcement cage 1, binding each vertical-face reinforcement mesh intersection of the reinforcement cage 1 by using a binding wire 2, wherein the inclination directions of two adjacent binding wires 2 are opposite, and after binding is finished, bending the tail end of the binding wire 2 towards the interior of the reinforcement cage 1;
step five: fixing the embedded part, and adsorbing the mounting nut with the magnetic chassis on the positioning point according to the marking in the second step;
step six: concrete pouring and vibrating, namely transporting the stirred concrete to a superposed beam pouring station, opening a vibrating rod to start uniform-speed vibration after the concrete is injected into a mould, cleaning the concrete at the periphery of the mould and at the reinforcement outlet part of a stirrup by using a brush and a plastering knife after the vibrating is finished, and manually roughening after the pouring is finished to obtain a superposed beam rough blank;
step seven: curing, namely feeding the superposed beam rough blank obtained in the step six into a curing kiln, and performing steam curing for 12 hours under the conditions that the steam temperature is 75 ℃ and the steam pressure is 55 kPa;
step eight: and demolding and lifting, taking the cured rough blank of the superposed beam out of the curing kiln, tapping the die until the die is separated from the components to obtain a finished product of the superposed beam, and lifting the finished product of the superposed beam to a stacking area.
The concrete structure of the reinforcement cage 1 is the same as that of embodiment 1, and therefore, the detailed description thereof is omitted.
Example 3
The embodiment provides a production method of a high-bearing easy-to-mount composite beam, which is shown in fig. 1-3 and comprises the following steps:
the method comprises the following steps: cleaning the mold assembly, taking out the mold assembly, polishing and cleaning the rusty area of the mold surface by using sand paper or a polishing machine to ensure that the surface gloss of the component is free of foreign matters, and then completing the mold assembly according to a mold assembly drawing;
step two: marking, confirming a reference point, and marking out a reserved embedded position;
step three: coating a release agent, namely uniformly coating the release agent on the surface of a bottom film and two side surfaces of a mold, wherein the release agent comprises 1 part by mass of sodium octadecyl toluene sulfonate, 20 parts by mass of waste diesel oil, 50 parts by mass of deionized water, 9 parts by mass of nano silicon dioxide with the particle size of 40nm, 0.01 part by mass of sodium dihydrogen phosphate, 0.01 part by mass of citric acid and 10 parts by mass of ethanol;
step four: laying a reinforcement cage 1, placing the reinforcement cage 1 according to the marking marks in the step one, binding a protective layer cushion block on the side face of the reinforcement cage 1, binding each vertical-face reinforcement mesh intersection of the reinforcement cage 1 by using a binding wire 2, wherein the inclination directions of two adjacent binding wires 2 are opposite, and after binding is finished, bending the tail end of the binding wire 2 towards the interior of the reinforcement cage 1;
step five: fixing the embedded part, and adsorbing the mounting nut with the magnetic chassis on the positioning point according to the marking in the second step;
step six: concrete pouring and vibrating, namely transporting the stirred concrete to a superposed beam pouring station, opening a vibrating rod to start uniform-speed vibration after the concrete is injected into a mould, cleaning the concrete at the periphery of the mould and at the reinforcement outlet part of a stirrup by using a brush and a plastering knife after the vibrating is finished, and manually roughening after the pouring is finished to obtain a superposed beam rough blank;
step seven: curing, namely feeding the superposed beam rough blank obtained in the step six into a curing kiln, and performing steam curing for 10 hours under the conditions that the steam temperature is 80 ℃ and the steam pressure is 60 kPa;
step eight: and demolding and lifting, taking the cured rough blank of the superposed beam out of the curing kiln, tapping the die until the die is separated from the components to obtain a finished product of the superposed beam, and lifting the finished product of the superposed beam to a stacking area.
The concrete structure of the reinforcement cage 1 is the same as that of embodiment 1, and therefore, the detailed description thereof is omitted.
Example 4
The embodiment provides a production method of a high-bearing easy-to-mount composite beam, which is shown in fig. 1-3 and comprises the following steps:
the method comprises the following steps: cleaning the mold assembly, taking out the mold assembly, polishing and cleaning the rusty area of the mold surface by using sand paper or a polishing machine to ensure that the surface gloss of the component is free of foreign matters, and then completing the mold assembly according to a mold assembly drawing;
step two: marking, confirming a reference point, and marking out a reserved embedded position;
step three: coating a release agent, namely uniformly coating the release agent on the surface of a bottom film and two side surfaces of a mold, wherein the release agent comprises 2 parts by mass of sodium octadecyl toluene sulfonate, 40 parts by mass of waste diesel oil, 30 parts by mass of deionized water, 15 parts by mass of nano silicon dioxide with the particle size of 80nm, 0.1 part by mass of sodium dihydrogen phosphate, 0.1 part by mass of citric acid and 20 parts by mass of ethanol;
step four: laying a reinforcement cage 1, placing the reinforcement cage 1 according to the marking marks in the step one, binding a protective layer cushion block on the side face of the reinforcement cage 1, binding each vertical-face reinforcement mesh intersection of the reinforcement cage 1 by using a binding wire 2, wherein the inclination directions of two adjacent binding wires 2 are opposite, and after binding is finished, bending the tail end of the binding wire 2 towards the interior of the reinforcement cage 1;
step five: fixing the embedded part, and adsorbing the mounting nut with the magnetic chassis on the positioning point according to the marking in the second step;
step six: concrete pouring and vibrating, namely transporting the stirred concrete to a superposed beam pouring station, opening a vibrating rod to start uniform-speed vibration after the concrete is injected into a mould, cleaning the concrete at the periphery of the mould and at the reinforcement outlet part of a stirrup by using a brush and a plastering knife after the vibrating is finished, and manually roughening after the pouring is finished to obtain a superposed beam rough blank;
step seven: curing, namely feeding the superposed beam rough blank obtained in the step six into a curing kiln, and performing steam curing for 8 hours under the conditions that the steam temperature is 70 ℃ and the steam pressure is 50 kPa;
step eight: and demolding and lifting, taking the cured rough blank of the superposed beam out of the curing kiln, tapping the die until the die is separated from the components to obtain a finished product of the superposed beam, and lifting the finished product of the superposed beam to a stacking area.
The concrete structure of the reinforcement cage 1 is the same as that of embodiment 1, and therefore, the detailed description thereof is omitted.
Example 5
The embodiment provides a production method of a high-bearing easy-to-mount composite beam, which is shown in fig. 1-3 and comprises the following steps:
the method comprises the following steps: cleaning the mold assembly, taking out the mold assembly, polishing and cleaning the rusty area of the mold surface by using sand paper or a polishing machine to ensure that the surface gloss of the component is free of foreign matters, and then completing the mold assembly according to a mold assembly drawing;
step two: marking, confirming a reference point, and marking out a reserved embedded position;
step three: coating a release agent, namely uniformly coating the release agent on the surface of a bottom film and two side surfaces of a mold, wherein the release agent comprises 2 parts by mass of sodium octadecyl toluene sulfonate, 40 parts by mass of waste diesel oil, 30 parts by mass of deionized water, 15 parts by mass of nano silicon dioxide with the particle size of 80nm, 0.1 part by mass of sodium dihydrogen phosphate, 0.1 part by mass of citric acid and 20 parts by mass of ethanol;
step four: laying a reinforcement cage 1, placing the reinforcement cage 1 according to the marking marks in the step one, binding a protective layer cushion block on the side face of the reinforcement cage 1, binding each vertical-face reinforcement mesh intersection of the reinforcement cage 1 by using a binding wire 2, wherein the inclination directions of two adjacent binding wires 2 are opposite, and after binding is finished, bending the tail end of the binding wire 2 towards the interior of the reinforcement cage 1;
step five: fixing the embedded part, and adsorbing the mounting nut with the magnetic chassis on the positioning point according to the marking in the second step;
step six: concrete pouring and vibrating, namely transporting the stirred concrete to a superposed beam pouring station, opening a vibrating rod to start uniform-speed vibration after the concrete is injected into a mould, cleaning the concrete at the periphery of the mould and at the reinforcement outlet part of a stirrup by using a brush and a plastering knife after the vibrating is finished, and manually roughening after the pouring is finished to obtain a superposed beam rough blank;
step seven: curing, namely feeding the superposed beam rough blank obtained in the step six into a curing kiln, and performing steam curing for 12 hours under the conditions that the steam temperature is 75 ℃ and the steam pressure is 55 kPa;
step eight: and demolding and lifting, taking the cured rough blank of the superposed beam out of the curing kiln, tapping the die until the die is separated from the components to obtain a finished product of the superposed beam, and lifting the finished product of the superposed beam to a stacking area.
The concrete structure of the reinforcement cage 1 is the same as that of embodiment 1, and therefore, the detailed description thereof is omitted.
Example 6
The embodiment provides a production method of a high-bearing easy-to-mount composite beam, which is shown in fig. 1-3 and comprises the following steps:
the method comprises the following steps: cleaning the mold assembly, taking out the mold assembly, polishing and cleaning the rusty area of the mold surface by using sand paper or a polishing machine to ensure that the surface gloss of the component is free of foreign matters, and then completing the mold assembly according to a mold assembly drawing;
step two: marking, confirming a reference point, and marking out a reserved embedded position;
step three: coating a release agent, namely uniformly coating the release agent on the surface of a bottom film and two side surfaces of a mold, wherein the release agent comprises 2 parts by mass of sodium octadecyl toluene sulfonate, 40 parts by mass of waste diesel oil, 30 parts by mass of deionized water, 15 parts by mass of nano silicon dioxide with the particle size of 80nm, 0.1 part by mass of sodium dihydrogen phosphate, 0.1 part by mass of citric acid and 20 parts by mass of ethanol;
step four: laying a reinforcement cage 1, placing the reinforcement cage 1 according to the marking marks in the step one, binding a protective layer cushion block on the side face of the reinforcement cage 1, binding each vertical-face reinforcement mesh intersection of the reinforcement cage 1 by using a binding wire 2, wherein the inclination directions of two adjacent binding wires 2 are opposite, and after binding is finished, bending the tail end of the binding wire 2 towards the interior of the reinforcement cage 1;
step five: fixing the embedded part, and adsorbing the mounting nut with the magnetic chassis on the positioning point according to the marking in the second step;
step six: concrete pouring and vibrating, namely transporting the stirred concrete to a superposed beam pouring station, opening a vibrating rod to start uniform-speed vibration after the concrete is injected into a mould, cleaning the concrete at the periphery of the mould and at the reinforcement outlet part of a stirrup by using a brush and a plastering knife after the vibrating is finished, and manually roughening after the pouring is finished to obtain a superposed beam rough blank;
step seven: curing, namely feeding the superposed beam rough blank obtained in the step six into a curing kiln, and performing steam curing for 10 hours under the conditions that the steam temperature is 80 ℃ and the steam pressure is 60 kPa;
step eight: and demolding and lifting, taking the cured rough blank of the superposed beam out of the curing kiln, tapping the die until the die is separated from the components to obtain a finished product of the superposed beam, and lifting the finished product of the superposed beam to a stacking area.
The concrete structure of the reinforcement cage 1 is the same as that of embodiment 1, and therefore, the detailed description thereof is omitted.
Example 7
The embodiment provides a production method of a high-bearing easy-to-mount composite beam, which is shown in fig. 1-3 and comprises the following steps:
the method comprises the following steps: cleaning the mold assembly, taking out the mold assembly, polishing and cleaning the rusty area of the mold surface by using sand paper or a polishing machine to ensure that the surface gloss of the component is free of foreign matters, and then completing the mold assembly according to a mold assembly drawing;
step two: marking, confirming a reference point, and marking out a reserved embedded position;
step three: coating a release agent, namely uniformly coating the release agent on the surface of a bottom film and two side surfaces of a mold, wherein the release agent comprises 1.5 parts by mass of sodium octadecyl toluene sulfonate, 30 parts by mass of waste diesel oil, 40 parts by mass of deionized water, 12 parts by mass of nano silicon dioxide with the particle size of 60nm, 0.05 part by mass of sodium dihydrogen phosphate, 0.051 part by mass of citric acid and 15 parts by mass of ethanol;
step four: laying a reinforcement cage 1, placing the reinforcement cage 1 according to the marking marks in the step one, binding a protective layer cushion block on the side face of the reinforcement cage 1, binding each vertical-face reinforcement mesh intersection of the reinforcement cage 1 by using a binding wire 2, wherein the inclination directions of two adjacent binding wires 2 are opposite, and after binding is finished, bending the tail end of the binding wire 2 towards the interior of the reinforcement cage 1;
step five: fixing the embedded part, and adsorbing the mounting nut with the magnetic chassis on the positioning point according to the marking in the second step;
step six: concrete pouring and vibrating, namely transporting the stirred concrete to a superposed beam pouring station, opening a vibrating rod to start uniform-speed vibration after the concrete is injected into a mould, cleaning the concrete at the periphery of the mould and at the reinforcement outlet part of a stirrup by using a brush and a plastering knife after the vibrating is finished, and manually roughening after the pouring is finished to obtain a superposed beam rough blank;
step seven: curing, namely feeding the superposed beam rough blank obtained in the step six into a curing kiln, and performing steam curing for 8 hours under the conditions that the steam temperature is 70 ℃ and the steam pressure is 50 kPa;
step eight: and demolding and lifting, taking the cured rough blank of the superposed beam out of the curing kiln, tapping the die until the die is separated from the components to obtain a finished product of the superposed beam, and lifting the finished product of the superposed beam to a stacking area.
The concrete structure of the reinforcement cage 1 is the same as that of embodiment 1, and therefore, the detailed description thereof is omitted.
Example 8
The embodiment provides a production method of a high-bearing easy-to-mount composite beam, which is shown in fig. 1-3 and comprises the following steps:
the method comprises the following steps: cleaning the mold assembly, taking out the mold assembly, polishing and cleaning the rusty area of the mold surface by using sand paper or a polishing machine to ensure that the surface gloss of the component is free of foreign matters, and then completing the mold assembly according to a mold assembly drawing;
step two: marking, confirming a reference point, and marking out a reserved embedded position;
step three: coating a release agent, namely uniformly coating the release agent on the surface of a bottom film and two side surfaces of a mold, wherein the release agent comprises 1.5 parts by mass of sodium octadecyl toluene sulfonate, 30 parts by mass of waste diesel oil, 40 parts by mass of deionized water, 12 parts by mass of nano silicon dioxide with the particle size of 60nm, 0.05 part by mass of sodium dihydrogen phosphate, 0.051 part by mass of citric acid and 15 parts by mass of ethanol;
step four: laying a reinforcement cage 1, placing the reinforcement cage 1 according to the marking marks in the step one, binding a protective layer cushion block on the side face of the reinforcement cage 1, binding each vertical-face reinforcement mesh intersection of the reinforcement cage 1 by using a binding wire 2, wherein the inclination directions of two adjacent binding wires 2 are opposite, and after binding is finished, bending the tail end of the binding wire 2 towards the interior of the reinforcement cage 1;
step five: fixing the embedded part, and adsorbing the mounting nut with the magnetic chassis on the positioning point according to the marking in the second step;
step six: concrete pouring and vibrating, namely transporting the stirred concrete to a superposed beam pouring station, opening a vibrating rod to start uniform-speed vibration after the concrete is injected into a mould, cleaning the concrete at the periphery of the mould and at the reinforcement outlet part of a stirrup by using a brush and a plastering knife after the vibrating is finished, and manually roughening after the pouring is finished to obtain a superposed beam rough blank;
step seven: curing, namely feeding the superposed beam rough blank obtained in the step six into a curing kiln, and performing steam curing for 12 hours under the conditions that the steam temperature is 75 ℃ and the steam pressure is 55 kPa;
step eight: and demolding and lifting, taking the cured rough blank of the superposed beam out of the curing kiln, tapping the die until the die is separated from the components to obtain a finished product of the superposed beam, and lifting the finished product of the superposed beam to a stacking area.
The concrete structure of the reinforcement cage 1 is the same as that of embodiment 1, and therefore, the detailed description thereof is omitted.
Example 9
The embodiment provides a production method of a high-bearing easy-to-mount composite beam, which is shown in fig. 1-3 and comprises the following steps:
the method comprises the following steps: cleaning the mold assembly, taking out the mold assembly, polishing and cleaning the rusty area of the mold surface by using sand paper or a polishing machine to ensure that the surface gloss of the component is free of foreign matters, and then completing the mold assembly according to a mold assembly drawing;
step two: marking, confirming a reference point, and marking out a reserved embedded position;
step three: coating a release agent, namely uniformly coating the release agent on the surface of a bottom film and two side surfaces of a mold, wherein the release agent comprises 1.5 parts by mass of sodium octadecyl toluene sulfonate, 30 parts by mass of waste diesel oil, 40 parts by mass of deionized water, 12 parts by mass of nano silicon dioxide with the particle size of 60nm, 0.05 part by mass of sodium dihydrogen phosphate, 0.051 part by mass of citric acid and 15 parts by mass of ethanol;
step four: laying a reinforcement cage 1, placing the reinforcement cage 1 according to the marking marks in the step one, binding a protective layer cushion block on the side face of the reinforcement cage 1, binding each vertical-face reinforcement mesh intersection of the reinforcement cage 1 by using a binding wire 2, wherein the inclination directions of two adjacent binding wires 2 are opposite, and after binding is finished, bending the tail end of the binding wire 2 towards the interior of the reinforcement cage 1;
step five: fixing the embedded part, and adsorbing the mounting nut with the magnetic chassis on the positioning point according to the marking in the second step;
step six: concrete pouring and vibrating, namely transporting the stirred concrete to a superposed beam pouring station, opening a vibrating rod to start uniform-speed vibration after the concrete is injected into a mould, cleaning the concrete at the periphery of the mould and at the reinforcement outlet part of a stirrup by using a brush and a plastering knife after the vibrating is finished, and manually roughening after the pouring is finished to obtain a superposed beam rough blank;
step seven: curing, namely feeding the superposed beam rough blank obtained in the step six into a curing kiln, and performing steam curing for 10 hours under the conditions that the steam temperature is 80 ℃ and the steam pressure is 60 kPa;
step eight: and demolding and lifting, taking the cured rough blank of the superposed beam out of the curing kiln, tapping the die until the die is separated from the components to obtain a finished product of the superposed beam, and lifting the finished product of the superposed beam to a stacking area.
The concrete structure of the reinforcement cage 1 is the same as that of embodiment 1, and therefore, the detailed description thereof is omitted.
Comparative example 1
The 20 same assembly molds are equally divided into an A group and a B group by 0.5m multiplied by 3m, and the method described in the embodiment 9 is used for casting and producing the superposed beam, wherein, the A group adopts a commercial concrete mold release agent, the B group adopts the mold release agent described in the embodiment 9, the mold release is carried out after the casting is finished, the adhesion is determined to exist when concrete is adhered on the side mold and the mold table, the adhesion is determined to be serious when the area of the concrete adhered on the side mold and the mold table accounts for more than 3 percent of the total area of the mold table and the side mold, and the statistics of the experimental results are shown in the following table:
and (4) analyzing results: the experimental results show that the release agent provided by the invention has a good release effect, and the expected purpose of the invention is achieved.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms reinforcement cage 1, binding wire 2, transverse reinforcement 11, longitudinal reinforcement 12, vertical reinforcement 13, reinforcement space 14, reinforcement 15, mounting 16, reinforcement plate 17, reinforcement bar 18, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (6)
1. A production method of a high-bearing easy-to-mount composite beam is characterized by comprising the following steps:
the method comprises the following steps: cleaning the mold assembly, taking out the mold assembly, polishing and cleaning the rusty area of the mold surface by using sand paper or a polishing machine to ensure that the surface gloss of the component is free of foreign matters, and then completing the mold assembly according to a mold assembly drawing;
step two: marking, confirming a reference point, and marking out a reserved embedded position;
step three: coating a release agent, namely uniformly coating the release agent on the surface of the bottom film and the two side surfaces of the mold;
step four: laying a reinforcement cage (1), placing the reinforcement cage (1) according to the marking marks in the step one, binding a protective layer cushion block on the side face of the reinforcement cage (1), binding each vertical-face reinforcement mesh intersection of the reinforcement cage (1) by using a binding wire (2), wherein the inclination directions of two adjacent binding wires (2) are opposite, and after binding is finished, bending the tip of the binding wire (2) towards the interior of the reinforcement cage (1);
step five: fixing the embedded part, and adsorbing the mounting nut with the magnetic chassis on the positioning point according to the marking in the second step;
step six: concrete pouring and vibrating, namely transporting the stirred concrete to a superposed beam pouring station, opening a vibrating rod to start uniform-speed vibration after the concrete is injected into a mould, cleaning the concrete at the periphery of the mould and at the reinforcement outlet part of a stirrup by using a brush and a plastering knife after the vibrating is finished, and manually roughening after the pouring is finished to obtain a superposed beam rough blank;
step seven: curing, namely feeding the superposed beam rough blank obtained in the step six into a curing kiln, and curing for 8-12h by steam;
step eight: demoulding and hoisting, taking out the cured rough blank of the superposed beam from the curing kiln, tapping the die until the die is separated from the components to obtain a finished product of the superposed beam, and hoisting the finished product of the superposed beam to a stacking area;
the release agent in the third step comprises 1-2 parts by mass of sodium octadecyl toluene sulfonate, 20-40 parts by mass of waste diesel oil, 30-50 parts by mass of deionized water, 9-15 parts by mass of nano silicon dioxide, 0.01-0.1 part by mass of sodium dihydrogen phosphate, 0.01-0.1 part by mass of citric acid and 10-20 parts by mass of ethanol;
the reinforcement cage (1) comprises transverse reinforcements (11), longitudinal reinforcements (12) and vertical reinforcements (13) which extend towards three mutually perpendicular directions respectively, the intersection point positions of two reinforcements in the transverse reinforcements (11), the longitudinal reinforcements (12) and the vertical reinforcements (13) are bound and fixed through binding wires (2), and the inclination directions of two adjacent binding wires (2) are opposite;
the transverse steel bars (11), the longitudinal steel bars (12) and the vertical steel bars (13) are enclosed to form a reinforcing space (14), reinforcing members (15) are arranged in the reinforcing space (14), and the reinforcing members (15) are connected with mounting pieces (16) fixedly connected to the inner sides of the vertical steel bars (13);
the reinforcing member (15) comprises two reinforcing plates (17) which are integrally formed and extend in a staggered mode, the end portions of the reinforcing plates (17) are connected with the mounting parts (16), and the reinforcing member (15) further comprises reinforcing rods (18) of which the two ends are connected with the end portions of the same side of different reinforcing plates (17).
2. The method for producing a high load-bearing easy-to-mount composite beam as claimed in claim 1, wherein: the included angle of one side of the two reinforcing plates (17) close to the reinforcing rod (18) is 30-45 degrees.
3. The method for producing a high load-bearing easy-to-mount composite beam as claimed in claim 1, wherein: the axial leads of each reinforcing rod (18) are all parallel to each other.
4. The method for producing a high load-bearing easy-to-mount composite beam as claimed in claim 1, wherein: the release agent comprises 1.5 parts of sodium octadecyl toluene sulfonate, 30 parts of waste diesel oil, 40 parts of deionized water, 12 parts of nano silicon dioxide, 0.05 part of sodium dihydrogen phosphate, 0.051 part of citric acid and 15 parts of ethanol in parts by weight.
5. The method for producing a high load-bearing easy-to-mount composite beam as claimed in claim 1, wherein: the particle size of the nano silicon dioxide is 40-80 nm.
6. The method for producing a high load-bearing easy-to-mount composite beam as claimed in claim 1, wherein: and the steam temperature of the steam curing in the seventh step is lower than 80 ℃, and the steam pressure is lower than 60 kPa.
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| US8532815B1 (en) * | 2012-09-25 | 2013-09-10 | Romeo Ilarian Ciuperca | Method for electronic temperature controlled curing of concrete and accelerating concrete maturity or equivalent age of concrete structures and objects |
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