CN113982261A - Constructional column compensation type combined aluminum mould and formwork supporting construction method thereof - Google Patents
Constructional column compensation type combined aluminum mould and formwork supporting construction method thereof Download PDFInfo
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- CN113982261A CN113982261A CN202111133070.0A CN202111133070A CN113982261A CN 113982261 A CN113982261 A CN 113982261A CN 202111133070 A CN202111133070 A CN 202111133070A CN 113982261 A CN113982261 A CN 113982261A
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- upper plate
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- 238000009415 formwork Methods 0.000 title claims abstract description 78
- 238000010276 construction Methods 0.000 title claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 67
- 229910052742 iron Inorganic materials 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/005—Strips for covering joints between form sections, e.g. to avoid burring or spilling of laitance
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/10—Forming or shuttering elements for general use with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a constructional column compensation type combined aluminum mould and a formwork supporting construction method thereof, wherein the aluminum mould comprises a bottom formwork, a middle formwork, a top formwork and a horn mouth combined formwork which are sequentially spliced upwards, the horn mouth combined formwork comprises a front formwork, a rear formwork, a left formwork and a right formwork, the front formwork is provided with a horn mouth and a baffle capable of sliding up and down, the front side of the horn mouth is provided with an open slot and a pull plate inserted in the open slot, after pouring, the baffle slides upwards to a proper position to separate the horn mouth, a transverse supporting rod is horizontally inserted on the upper plate of the front formwork to support the baffle, the pull plate is taken off, concrete in the horn mouth is removed, a back plate is placed in the horn mouth and attached to the back surface of the baffle, a back plate support is installed on the upper plate of the front formwork, and the back plate support extends into the horn mouth through the open slot and supports the back plate. The method has the advantages that the horn mouth does not need to be chiseled off in the later period, the wall body does not need to be grooved, the method is suitable for brickworks with different heights and height differences between the brickworks and beams, the operation is simple, the efficiency is high, and the method can be repeatedly used.
Description
Technical Field
The invention belongs to the field of constructional engineering structure construction, and particularly relates to a constructional column compensation type combined aluminum mould and a formwork supporting construction method thereof.
Technical Field
In the construction of the traditional constructional column, a construction site is reinforced by using a wood formwork and battens, the sizes are measured, the battens are processed from a batten processing room and transported to the construction site, woodworkers are used for installing and fixing, size correction, fixing between the formwork and the battens, connection between the formwork and the formwork, fixing between the whole body and a masonry body and the like are carried out. Most of connection and fixing modes between the formwork and the masonry include that the masonry is grooved, two sides of the formwork are reinforced by 'step-by-step' tightening, concrete is to be poured, the forming effect of the bottom of a constructional column cannot be guaranteed due to integral pouring, honeycomb, pitted surface, exposed ribs and the like occur, after the strength meets the formwork removal requirement, formwork removal is carried out, after the formwork removal is completed, the original grooved masonry is sealed and repaired, but according to the regulations, the masonry is forbidden to be drilled, but the sealing and repairing technology in the current stage is not perfect, the sealing and repairing in the later stage are not tight, the problems exist in the later use stage, meanwhile, the surplus concrete of a horn mouth is removed, the whole process is time-consuming, the workload of workers is low, the construction progress is relatively influenced, and the quality problem exists in the later stage relative to the process.
Disclosure of Invention
The invention aims to provide a constructional column compensation type combined aluminum mould and a formwork supporting construction method thereof.
The technical scheme adopted by the invention is as follows:
a constructional column compensation type combined aluminum mould comprises a bottom template, a middle template, a top template and a horn mouth combined template which are sequentially spliced upwards, wherein the bottom template, the middle template and the top template are respectively clamped on two sides of a masonry body by iron wires penetrating through a reserved hole and are screwed down, sealing strips are respectively arranged on the pressing edges, the bottom template is butted with the middle template and the middle template, the middle template is butted with the top template through interfaces which are inserted up and down, the top template is stretched and retracted by the upper and lower templates, the middle of the top of the upper template is flush with the top surface of the masonry body, two ends of the top template are supported and overlapped on the top surface of the masonry body through clamping pieces, the horn mouth combined template comprises a front template, a rear template, a left template and a right template which are stretched and retracted by the upper and lower plates, the front template and the rear template are respectively placed in the middle of the tops of the upper templates on two sides, the left template and the right template are placed on the top surface of the masonry body and are butted with the front template and the rear template through the interfaces which are inserted horizontally, the left template and the right template are penetrated through the reserved hole and screwed down by the iron wires, locking components capable of locking the height are arranged between the upper plate and the lower plate of the rear template, the left template and the right template, a horn mouth and a baffle capable of sliding up and down are arranged on the upper plate of the front template, an open slot and a pull plate inserted into the open slot are arranged on the front side of the horn mouth, a chisel-free component used after pouring is matched with the horn mouth combined template, and the chisel-free component comprises a transverse support rod, a back plate and a back plate bracket; after pouring, the baffle slides upwards to place to separate the horn mouth, the transverse supporting rods are horizontally inserted into the upper plate of the front template to support the baffle, the pull plate is taken off, concrete in the horn mouth is removed, the back plate is placed in the horn mouth and attached to the back face of the baffle, a back plate support is installed on the upper plate of the front template, and the back plate support stretches into the horn mouth through the open slot and backs up the back plate.
Further, the back plate support comprises a cross rod, a supporting rod and a back support rod, the supporting rod and the back support rod are arranged on the same side of the cross rod, the supporting rod is located at two ends of the cross rod and is connected with an upward groove in the upper plate of the front template in a matched mode through a downward clamping hook at the end portion of the supporting rod, and the back support rod extends into the horn mouth through an open slot and backs up the back plate through a vertical rod at the end portion of the supporting rod.
Further, the locking assembly comprises a screw rod arranged on the upper plate, a locking plate arranged on the lower plate and a nut matched on the screw rod, the screw rod penetrates through the locking plate, and the nut pair is clamped on two sides of the locking plate during locking.
Furthermore, in the top template, the lower part of the upper plate is narrowed and inserted on the lower plate, after the top template is stretched in place, the narrowed parts exposed at two sides are pasted with two layers of sealing strips, and the rest parts are pasted with one layer of sealing strip.
Furthermore, the backs of the bottom template, the middle template and the top template are provided with keels, and iron wires act on the keels during butt clamping.
Further, the sealing strip is a sponge strip.
The formwork construction method of the constructional column compensation type combined aluminum formwork comprises the following steps:
s1, after the masonry is built, attaching sealing strips to the bottom and the front two sides of a bottom template, penetrating iron wires through a reserved hole and screwing down to clamp the bottom template on the two sides of the masonry, and pouring concrete to the position near an upper opening after the masonry is firmly checked;
s2, attaching sealing strips to two sides of the front surface of the middle formwork, inserting the middle formwork downwards for butt joint installation, penetrating iron wires through the reserved holes and screwing down to clamp the middle formwork on two sides of the masonry, and pouring concrete to the position near an upper opening after the middle formwork is firmly checked;
s3, repeating the step S2 until the mounting position of the top template is reserved at the top of the masonry;
s4, firstly, placing two ends of the top of an upper plate of a top template on the top surface of the masonry through the lap supported by a clamping piece, inserting the lower plate downwards for butt joint, recording the stretching length, attaching sealing strips on two sides of the front surface of the top template according to the stretching length, then installing the top template, penetrating iron wires through a reserved hole and screwing down so as to clamp the top template on two sides of the masonry, and pouring concrete to the position near an upper opening after the top template is checked to be firm;
s5, installing a horn mouth combined template: firstly, respectively placing a front template and a rear template in the middle of the tops of upper plates of top templates at two sides, placing a left template and a right template on the top surface of a masonry, enabling iron wires to only penetrate through preformed holes of the left template and the right template without being screwed, horizontally inserting the left template and the right template on the front template and the rear template to enable the front template, the rear template, the left template and the right template to surround and be butted into a whole, screwing the iron wires, then lifting the upper plates of the horn mouth combined templates to the bottom of a beam, locking the heights through locking assemblies on the rear template, the left template and the right template, pouring concrete until the concrete is level with the plane of the horn mouth after the concrete is checked to be firm;
s6, after pouring is completed and before concrete is initially set, pushing the baffle to slide upwards to a proper position to separate the bell mouths, horizontally inserting the transverse support rods on the upper plate of the front template to support the baffle, taking off the pull plate and removing the concrete in the bell mouths, placing the back plate in the bell mouths to be attached to the back of the baffle, mounting a back plate support on the upper plate of the front template, and extending the back plate support into the bell mouths through the open slots to back-support the back plates;
and S7, after the strength of the concrete of the constructional column meets the requirement, cutting off the iron wire, removing the left template and the right template, retracting and removing the front template and the rear template, cutting off the iron wire, and removing the top template, the middle template and the bottom template from top to bottom.
Further, in steps S1 to S5, after the concrete pouring is completed, the keel of the formwork at the pouring surface is knocked to ensure the compactness.
Further, in steps S1 to S5, the iron wire is tightened by a power tightener.
The invention has the beneficial effects that:
according to the invention, the horn mouth combined template is convenient to assemble, and the key is that the horn mouth can be separated by using the baffle plate, and the back support is provided for the baffle plate by using the chisel-free assembly, so that concrete in the horn mouth can be removed before initial setting, the influence on a constructional column can be avoided, and the horn mouth does not need to be chiseled off at the later stage; according to the invention, the top template and the horn mouth combined template are telescopic, are suitable for brickworks with different heights, are suitable for height differences between different brickworks and beams, and meet the requirements of on-site actual construction; the combined aluminum mould is adopted, so that the rigidity is good, the conditions of mould expansion, slurry leakage and the like are effectively improved, the stability is good, the bearing capacity is high, the steel wire is used for reinforcement, the construction operation is simple, the efficiency is high, and the combined aluminum mould can be repeatedly used; the invention can be spliced and poured in an upward subsection way, thereby effectively avoiding the situations of honeycomb, pitted surface, structural column rib exposure and the like, and the butt joint is provided with the inserted interface, thereby effectively avoiding the slurry leakage and mold expansion at the splicing seam; the invention does not need to open a groove on the wall body, thereby avoiding the problems of water leakage and the like caused by untight plugging in the later period; after the construction and the form removal, no garbage exists on the site, and the construction environment is safe, clean and tidy.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention after installation of a bottom form.
FIG. 2 is a schematic view of an upper interface of a bottom form in an embodiment of the present invention.
Fig. 3 is a schematic view of a first intermediate form according to an embodiment of the present invention.
Fig. 4 is a schematic view of a second intermediate form of an embodiment of the present invention after installation.
Fig. 5 is a schematic view of the top form after installation in an embodiment of the present invention.
FIG. 6 is a schematic illustration of a top template in an embodiment of the invention.
Fig. 7 is a first schematic view after a flare-combining template is installed in the embodiment of the invention.
Fig. 8 is a second schematic diagram after the flare-combining template is installed in the embodiment of the invention.
Fig. 9 is a schematic diagram of the joint of the left and right templates and the front and rear templates in the embodiment of the invention.
FIG. 10 is a schematic view of the installation of the locking assembly in an embodiment of the present invention.
FIG. 11 is a first schematic diagram of a front template in an embodiment of the invention.
FIG. 12 is a second schematic diagram of a front template in an embodiment of the invention.
Fig. 13 is a schematic view showing the installation position of the traverse bar in the embodiment of the present invention.
Fig. 14 is a schematic view of a cross brace in an embodiment of the invention.
Fig. 15 is a schematic view of the installation of a spreader bar in an embodiment of the invention.
FIG. 16 is a schematic view of a back plate in an embodiment of the invention.
FIG. 17 is a schematic view of a backing plate holder in an embodiment of the invention.
Figure 18 is a schematic illustration of the installation of a chisel-free assembly in an embodiment of the invention.
In the figure: 1-bottom template; 2-iron wire; 3-constructing a column main rib; 4-brickwork; 5-interface; 6-middle template; 7-a fastener; 8-top template; 9-front template; 10-left template; 11-right template; 12-a beam; 13-bell mouth; 14-rear template; 15-a nut; 16-a baffle plate; 17-mounting position of the end of the cross brace; 18-a transverse strut; 19-a screw; 20-a back plate; 21-a back plate holder; 22-a groove; 23-locking plate; 24-a drawing plate; a-a cross bar; b-a support bar; c-a hook; d-a back stay; e-a vertical rod.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in figures 1 to 18, a constructional column compensation type combined aluminum mould comprises a bottom template 1, a middle template 6, a top template 8 and a bell mouth combined template which are sequentially spliced upwards, wherein the bottom template 1, the middle template 6 and the top template 8 are all clamped at two sides of a masonry 4 by iron wires 2 which penetrate through reserved holes and are screwed tightly, sealing strips are arranged on the pressing edges, the bottom template 1 is butted with the middle template 6 and the middle template 6, the middle template 6 is butted with the top template 8 through interfaces 5 which are inserted up and down, the top template 8 is stretched by an upper plate and a lower plate, the middle of the top of the upper plate is flush with the top surface of the masonry 4, two ends of the top template are supported by clamping pieces 7 and are placed on the top surface of the masonry 4, the bell mouth combined template comprises a front template, a rear template, a left template and a right template (9, 14, 10 and 11) which are stretched by the upper plate and the lower plate, the front template and the rear template (9 and the rear template (14) are respectively placed in the middle of the top templates 8 at two sides, the left and right templates (10, 11) are all placed on the top surface of a masonry 4 and are in surrounding butt joint with the front and rear templates (9, 14) through a horizontally inserted interface 5, the left and right templates (10, 11) penetrate through a reserved hole by iron wires 2 and are screwed tightly, locking components capable of locking the height are arranged between the upper and lower plates of the rear, left and right templates (14, 10, 11), a horn mouth 13 and a baffle 16 capable of sliding up and down are arranged on the upper plate of the front template 9, an open slot and a pull plate 24 inserted in the open slot are arranged on the front side of the horn mouth 13, a chisel-free component used after pouring is matched with the horn mouth combined template, and the chisel-free component comprises a transverse support rod 18, a backboard 20 and a backboard support 21; after pouring, the baffle 16 slides upwards to a certain position to separate the bell mouth 13, the transverse support rods 18 are horizontally inserted into the upper plate of the front template 9 to support the baffle 16, the drawing plate 24 is taken off, concrete in the bell mouth 13 is removed, the back plate 20 is placed in the bell mouth 13 and attached to the back of the baffle 16, the back plate support 21 is installed on the upper plate of the front template 9, and the back plate support 21 extends into the bell mouth 13 through the open slot and supports the back plate 20.
As shown in fig. 1 to 6, in the present embodiment, keels are provided on the back surfaces of the bottom formwork 1, the middle formwork 6 and the top formwork 8, and the iron wires 2 act on the keels when the two formworks are clamped.
As shown in fig. 6, in the top form 8, the lower portion of the upper plate is narrowed and inserted into the lower plate, and after the top form 8 is extended to a proper position, the narrowed portions exposed at both sides are attached with two layers of sealing strips, and the rest is attached with one layer of sealing strip.
As shown in fig. 10, in the present embodiment, the locking assembly includes a screw rod 19 provided on the upper plate, a locking plate 23 provided on the lower plate, and a nut 15 fitted on the screw rod 19, the screw rod 19 passes through the locking plate 23, and the pair of nuts 15 is clamped on both sides of the locking plate 23 when locking.
As shown in fig. 17 and 18, in the present embodiment, the back plate support 21 includes a cross bar a, and a support rod b and a back support rod which are arranged on the same side of the cross bar a, the support rod b is located at two ends of the cross bar a and is connected with an upward groove 22 on the upper plate of the front template 9 in a matching manner through a downward hook c at its end, and the back support rod d extends into the bell mouth 13 through an open slot and backs up the back plate 20 through a vertical rod e at its end.
In this embodiment, the sealing strip may be a sponge strip.
The formwork construction method of the constructional column compensation type combined aluminum formwork comprises the following steps:
s1, as shown in figure 1, after masonry 4 is built, sealing strips are adhered to the bottom and the front sides of a bottom template 1, iron wires 2 penetrate through reserved holes and are screwed down, so that the bottom template 1 is clamped on the two sides of the masonry 4, after the masonry is firmly checked, concrete is poured to the position near an upper opening;
s2, as shown in figure 3, attaching sealing strips to two sides of the front face of the middle formwork 6, inserting the middle formwork 6 downwards, butting and installing, penetrating the iron wires 2 through the reserved holes and screwing down to clamp the middle formwork 6 on two sides of the masonry 4, and pouring concrete to the position near the upper opening after the inspection is firm;
s3, as shown in FIG. 4, repeating the step S2 until the installation position of the top template 8 is reserved at the top of the masonry 4;
s4, as shown in FIG. 5, firstly, two ends of the top of an upper plate of a top template 8 are supported by clamping pieces 7 to be placed on the top surface of a masonry 4, and a lower plate is downwards inserted, butted and installed, the stretching length is recorded, sealing strips are attached to two sides of the front surface of the top template 8 according to the stretching length, then the top template 8 is installed, iron wires 2 penetrate through reserved holes and are screwed down, so that the top template 8 is clamped on two sides of the masonry 4, and after the concrete is firmly checked, the concrete is poured to the position near an upper opening;
s5, as shown in the figures 7 to 10, installing a horn mouth combined template: firstly, respectively placing a front template (9) and a rear template (14) in the middle of the top of an upper plate of a top template 8 at two sides, placing a left template (10) and a right template (11) on the top surface of a masonry 4, enabling an iron wire 2 to only pass through a reserved hole of the left template (10) and the right template (11) without being screwed down, horizontally inserting the left template (10) and the right template (11) on the front template (9) and the rear template (14), enabling the front template (9), the rear template (14), the left template (10) and the right template (11) to surround and butt into a whole, screwing down the iron wire 2, then lifting the upper plate of the horn mouth combined template to the bottom of a beam 12, locking the height through locking assemblies on the rear template (14), the left template (10) and the right template (11), and pouring concrete until the upper plate is level with the plane of the horn mouth 13 after checking is firm;
s6, as shown in the figures 11 to 18, after pouring is completed and before concrete is initially set, pushing the baffle 16 to slide upwards to a position to separate the bell mouths 13, horizontally inserting the transverse support rods 18 on the upper plate of the front template 9 so as to support the baffle 16, taking down the pull plate 24, clearing away concrete in the bell mouths 13, placing the back plates 20 in the bell mouths 13 to be attached to the back surfaces of the baffle 16, installing the back plate supports 21 on the upper plate of the front template 9, and extending the back plate supports 21 into the bell mouths 13 through open slots to back the back plates 20;
s7, after the strength of the concrete of the constructional column meets the requirement, firstly cutting off the iron wire 2, removing the left template and the right template (10 and 11), then retracting and removing the front template and the rear template (9 and 14), then cutting off the iron wire 2, and removing the top template 8, the middle template 6 and the bottom template 1 from top to bottom.
In steps S1 to S5, after the concrete pouring is completed, the keel of the formwork at the pouring surface may be knocked to ensure the compactness; the iron wire 2 may be tightened by a power tightener.
According to the invention, the horn mouth combined template is convenient to assemble, and the key is that the horn mouth 13 can be separated by using the baffle 16, and the back support is provided for the baffle 16 by using the chiseling-free component, so that concrete in the horn mouth 13 can be removed before initial setting, the influence on a constructional column can be avoided, and the horn mouth does not need to be chiseled off at the later stage; in the invention, the top template 8 and the bell mouth combined template are telescopic, are suitable for brickworks 4 with different heights, are suitable for height differences between different brickworks 4 and beams, and meet the requirements of actual construction on site; the combined aluminum mould is adopted, so that the rigidity is good, the conditions of mould expansion, slurry leakage and the like are effectively improved, the stability is good, the bearing capacity is high, the steel wire 2 is used for reinforcement, the construction operation is simple, the efficiency is high, and the combined aluminum mould can be repeatedly used; the invention can be spliced and poured in an upward subsection way, thereby effectively avoiding the situations of honeycomb, pitted surface, structural column rib exposure and the like, and the butt joint is provided with the inserted interface 5, thereby effectively avoiding the slurry leakage and mold expansion at the splicing seam; the invention does not need to open a groove on the wall body, thereby avoiding the problems of water leakage and the like caused by untight plugging in the later period; after the construction and the form removal, no garbage exists on the site, and the construction environment is safe, clean and tidy.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a constructional column compensation formula combination aluminium mould which characterized in that: the combined formwork comprises a bottom formwork, a middle formwork, a top formwork and a bell mouth combined formwork which are sequentially spliced upwards, wherein the bottom formwork, the middle formwork and the top formwork are all clamped on two sides of a masonry body in an opposite mode through iron wires penetrating through a reserved hole and are screwed down, sealing strips are arranged on the pressing edges, the bottom formwork, the middle formwork and the top formwork are in butt joint through interfaces which are inserted from top to bottom, the top formwork is stretched and contracted through an upper plate and a lower plate, the middle of the top of the upper plate is flush with the top of the masonry body, two ends of the top formwork are supported and placed on the top of the masonry body through clamping pieces, the bell mouth combined formwork comprises a front formwork, a rear formwork, a left formwork and a right formwork which are stretched and contracted through the upper plate and the lower plate, the front formwork and the rear formwork are respectively placed in the middle of the tops of the upper plate and the upper plate on two sides, the left formwork and the right formwork are placed on the top of the masonry body through interfaces which are horizontally inserted and are simultaneously in surrounding and in butt joint with the front formwork and the rear formwork, the left formwork and the right formwork are penetrated through the reserved hole and screwed down through iron wires, locking components capable of locking the height are arranged between the upper plate and the lower plate of the rear template, the left template and the right template, a horn mouth and a baffle capable of sliding up and down are arranged on the upper plate of the front template, an open slot and a pull plate inserted into the open slot are arranged on the front side of the horn mouth, a chisel-free component used after pouring is matched with the horn mouth combined template, and the chisel-free component comprises a transverse support rod, a back plate and a back plate bracket; after pouring, the baffle slides upwards to place to separate the horn mouth, the transverse supporting rods are horizontally inserted into the upper plate of the front template to support the baffle, the pull plate is taken off, concrete in the horn mouth is removed, the back plate is placed in the horn mouth and attached to the back face of the baffle, a back plate support is installed on the upper plate of the front template, and the back plate support stretches into the horn mouth through the open slot and backs up the back plate.
2. The constructional column compensating modular aluminum mould as set forth in claim 1, wherein: the back plate support comprises a cross rod, a supporting rod and a back supporting rod, wherein the supporting rod and the back supporting rod are arranged on the same side of the cross rod, the supporting rod is arranged at two ends of the cross rod and is connected with an upward groove on an upper plate of the front template in a matched mode through a downward clamping hook at the end part of the supporting rod, and the back supporting rod stretches into the horn mouth through an open slot and backs up the back plate through a vertical rod at the end part of the supporting rod.
3. The constructional column compensating modular aluminum mould as set forth in claim 1, wherein: the locking assembly comprises a screw rod arranged on the upper plate, a locking plate arranged on the lower plate and a nut matched on the screw rod, the screw rod penetrates through the locking plate, and the nut is clamped on two sides of the locking plate in a pair mode during locking.
4. The constructional column compensating modular aluminum mould as set forth in claim 1, wherein: in the top template, the lower part of the upper plate is narrowed and inserted on the lower plate, after the top template is stretched in place, two layers of sealing strips are adhered to the narrowed parts exposed at two sides, and one layer of sealing strip is adhered to the other parts.
5. The constructional column compensating modular aluminum mould as set forth in claim 1, wherein: the backs of the bottom template, the middle template and the top template are all provided with keels, and iron wires act on the keels during butt-clamping.
6. The constructional column compensating modular aluminum mould as set forth in claim 1, wherein: the sealing strip is a sponge strip.
7. A formwork construction method of a constructional column compensation type combined aluminum formwork as claimed in any one of claims 1 to 6, wherein: comprises the steps of (a) carrying out,
s1, after the masonry is built, attaching sealing strips to the bottom and the front two sides of a bottom template, penetrating iron wires through a reserved hole and screwing down to clamp the bottom template on the two sides of the masonry, and pouring concrete to the position near an upper opening after the masonry is firmly checked;
s2, attaching sealing strips to two sides of the front surface of the middle formwork, inserting the middle formwork downwards for butt joint installation, penetrating iron wires through the reserved holes and screwing down to clamp the middle formwork on two sides of the masonry, and pouring concrete to the position near an upper opening after the middle formwork is firmly checked;
s3, repeating the step S2 until the mounting position of the top template is reserved at the top of the masonry;
s4, firstly, placing two ends of the top of an upper plate of a top template on the top surface of the masonry through the lap supported by a clamping piece, inserting the lower plate downwards for butt joint, recording the stretching length, attaching sealing strips on two sides of the front surface of the top template according to the stretching length, then installing the top template, penetrating iron wires through a reserved hole and screwing down so as to clamp the top template on two sides of the masonry, and pouring concrete to the position near an upper opening after the top template is checked to be firm;
s5, installing a horn mouth combined template: firstly, respectively placing a front template and a rear template in the middle of the tops of upper plates of top templates at two sides, placing a left template and a right template on the top surface of a masonry, enabling iron wires to only penetrate through preformed holes of the left template and the right template without being screwed, horizontally inserting the left template and the right template on the front template and the rear template to enable the front template, the rear template, the left template and the right template to surround and be butted into a whole, screwing the iron wires, then lifting the upper plates of the horn mouth combined templates to the bottom of a beam, locking the heights through locking assemblies on the rear template, the left template and the right template, pouring concrete until the concrete is level with the plane of the horn mouth after the concrete is checked to be firm;
s6, after pouring is completed and before concrete is initially set, pushing the baffle to slide upwards to a proper position to separate the bell mouths, horizontally inserting the transverse support rods on the upper plate of the front template to support the baffle, taking off the pull plate and removing the concrete in the bell mouths, placing the back plate in the bell mouths to be attached to the back of the baffle, mounting a back plate support on the upper plate of the front template, and extending the back plate support into the bell mouths through the open slots to back-support the back plates;
and S7, after the strength of the concrete of the constructional column meets the requirement, cutting off the iron wire, removing the left template and the right template, retracting and removing the front template and the rear template, cutting off the iron wire, and removing the top template, the middle template and the bottom template from top to bottom.
8. The formwork construction method of claim 7, wherein: in steps S1 to S5, after the concrete pouring is completed, the keel of the formwork at the pouring surface is knocked to ensure the compactness.
9. The formwork construction method of claim 7, wherein: in steps S1 to S5, the iron wire is tightened by the electric tightener.
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Application publication date: 20220128 |