CN115419260B - Permanent prefabricated combined template system and construction method - Google Patents
Permanent prefabricated combined template system and construction method Download PDFInfo
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- CN115419260B CN115419260B CN202211201280.3A CN202211201280A CN115419260B CN 115419260 B CN115419260 B CN 115419260B CN 202211201280 A CN202211201280 A CN 202211201280A CN 115419260 B CN115419260 B CN 115419260B
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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
- E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
-
- 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
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a permanent prefabricated combined template system and a construction method, and belongs to the technical field of building construction. The technical proposal is as follows: the beam template comprises a beam bottom template and beam side templates symmetrically arranged on two sides of the beam bottom template; a plurality of side die connecting sheets for connecting the front end face and the rear end face of the beam side template are arranged on the inner wall of the beam side template; the inner wall of the beam bottom template is provided with a plurality of bottom die connecting pieces for connecting the front end face and the rear end face of the beam bottom template; the beam template further comprises a plurality of U-shaped stirrups arranged between the side die connecting pieces and the bottom die connecting pieces, and the U-shaped stirrups are fixed on the side die connecting pieces and the bottom die connecting pieces; the floor carrier plate template comprises a plate bottom template, a plurality of steel bar trusses arranged on the plate bottom template, a reinforcing assembly of a plurality of precast beam templates, and a precast beam template and a support assembly of a precast floor carrier plate. The beneficial effects of the invention are as follows: the beam template and the floor support plate template can be prefabricated in advance and do not need to be disassembled after concrete is poured.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a permanent prefabricated combined template system and a construction method.
Background
When a main structure is constructed in the construction engineering, the construction sequence of the column and the beam slab is generally adopted. Firstly, binding column steel bars, and supporting a column template to the elevation of the bottom of a beam; then building a beam slab scaffold and binding beam slab steel bars; and finally, the beam slab concrete pouring is completed according to the elevation.
At present, in the construction process of a beam slab main body structure, the procedures of erecting a support frame by adopting a scaffold, paving a beam bottom and a Liang Yice template by adopting a wood template, binding beam steel bars, installing a beam template on the other side, installing a beam template by adopting a batten and a opposite-pulling screw rod, erecting a slab template, binding the slab steel bars, pouring concrete, dismantling the beam and slab template and the like are needed. The above process has the following problems: the scaffold is adopted as the supporting frame, so that the procedures of the mounting and dismounting process are more, the potential safety hazards are more, and the large and small accidents occur for a long time; the number of the opposite-pull screws is large, and the templates are required to be completely removed, so that the construction efficiency is affected; the beam and the plate of the building structure have very large sizes, and the wood templates and the wood Fang Yifa are worn out and can not be used repeatedly, a large number of wood templates are required to be manufactured and disassembled in the construction process, a large amount of building rubbish is generated, and the environment protection, cost control and the like are not facilitated.
Disclosure of Invention
The invention aims to provide a permanent prefabricated combined template system which can be prefabricated in advance and is not required to be disassembled after concrete is poured, and a construction method.
The invention is realized by the following measures: the permanent prefabricated combined template system is characterized by comprising a prefabricated beam template and prefabricated building carrier plate templates, wherein the beam template comprises a beam bottom template and beam side templates symmetrically arranged on two sides of the beam bottom template;
a plurality of side die connecting pieces which are connected with the front end face and the rear end face of the beam side template are arranged on the inner wall of the beam side template, and the side die connecting pieces are mutually parallel and horizontally arranged;
the inner wall of the beam bottom template is provided with a plurality of bottom die connecting pieces connected with the front end face and the rear end face of the beam bottom template, and the bottom die connecting pieces are mutually parallel and horizontally arranged;
the beam template further comprises a plurality of U-shaped stirrups arranged between the side die connecting pieces and the bottom die connecting pieces, and the U-shaped stirrups are fixed on the side die connecting pieces and the bottom die connecting pieces; the interval between two adjacent U-shaped stirrups is 500-600mm;
the building carrier plate template comprises a plate bottom template and a plurality of steel bar trusses arranged on the plate bottom template, wherein each steel bar truss comprises an upper chord steel bar, lower chord steel bars symmetrically arranged on two sides of the upper chord steel bar and web bars for connecting the upper chord steel bar and the lower chord steel bar;
the prefabricated beam formwork comprises a prefabricated beam formwork body and a plurality of prefabricated beam formwork plates.
The beam bottom template, the beam side template and the plate bottom template are all steel plates or profiled steel plates.
The side die connecting piece and the bottom die connecting piece can be T-shaped or L-shaped, the horizontal part is parallel to the die plate, and the connecting part between the side die connecting piece and the die plate is perpendicular to the die plate.
Two ends of the upper part of the two beam side templates and the middle position are respectively provided with a plurality of reinforcing angle steels for connecting the two beam side templates. The reinforcing angle steel is generally 3-5, and the interval can be determined according to the length of the template.
And a leakage-proof gasket is arranged at the joint of the outer edge of the uppermost end of the beam side template and the template at the bottom of the template.
The reinforcing assembly comprises a bottom supporting batten, a U-shaped bottom plate is symmetrically arranged on the bottom supporting batten in a sliding mode, two opposite end edges of a top plate of the U-shaped bottom plate are respectively provided with a vertical U-shaped plate, the open ends of the vertical U-shaped plates are oppositely arranged, side supporting battens are respectively arranged in grooves of the vertical U-shaped plates, fixing plates are respectively arranged on two side plates of the U-shaped bottom plate, two fixing plates on the same side of the U-shaped bottom plate are connected through a screw rod, and the screw rod is sleeved on the fixing plates and the extending ends of the screw rod are respectively provided with a nut.
The two side plates of the U-shaped bottom plate extend towards the beam bottom template, and the vertical U-shaped plate is fixedly connected with the extension plate.
The vertical U-shaped plate is connected with the U-shaped bottom plate through an inclined strut.
The supporting component comprises an outer sleeve rod, an inner sleeve rod is sleeved in the outer sleeve rod, a threaded part is arranged on the outer wall of the upper part of the outer sleeve rod, an adjusting nut is arranged on the threaded part in a threaded connection mode, a plurality of adjusting holes are formed in the inner sleeve rod at intervals, and strip holes matched with the adjusting holes are formed in the threaded part;
the fixing bolt can be inserted into the adjusting hole and the strip hole, and is positioned above the adjusting nut;
the bottom plate is arranged below the outer sleeve rod, and the jacking is arranged at the upper end of the inner sleeve rod.
The construction method of the permanent prefabricated combined template system is characterized by comprising the following specific steps of:
s1, prefabricating a beam template and a floor support plate template according to design requirements, and compiling identification cards of the beam template and the plate template;
the identification card information of the beam template comprises construction position, size, length, number and the like, and the beam template identification card is bound at the end stirrup;
the identification card information of the plate template comprises construction positions, sizes, lengths, reinforcing bars, types and the like, the identification card of the plate template is hung at the steel bar truss, the plate template can be used as units according to packaging batches, and one identification card is arranged in one unit.
S2, hoisting the beam templates, wherein the two ends of the beam templates are respectively embedded into the column templates for 10-30mm during hoisting; the column template is cut into a U-shaped opening matched with the beam template, the beam template stretches into the column template from the U-shaped opening, and folded edges which are turned outwards by 90 degrees are arranged in the left and right lower 3 directions of the stretching end, so that the folded edges can prevent the beam template from being separated from the column template, and the folded edges can be welded on the column template for ensuring the connection strength;
when the girder and the secondary girder are arranged in a time sharing mode, the girder and the secondary girder are constructed in sequence, the secondary girder template stretches into the girder template by 10-30mm, a U-shaped opening matched with the secondary girder template is formed in the girder template, the secondary girder template stretches into the girder template from the U-shaped opening, a folded edge which is outwards turned by 90 degrees is arranged in the left and right lower 3 directions of the stretching end, the folded edge can prevent the secondary girder template from being separated from the girder template, and the folded plate can be welded on the girder template for ensuring the connection strength.
Before the hoisting of the beam template, the beam template with the length larger than 6m is decomposed into 2 sections and is hoisted after being transported to the field for splicing, the connecting end of the 2 sections of beam templates is provided with a connecting plate made of the same material with the width of 300mm, the connecting plate is arranged at the longer 1 section end part of the connecting plate, and the 2 sections of connecting sections are connected at the central position of the connecting plate by adopting a spot welding connection mode. The lower part of the 2-section beam template is protected by a sleeper, butt joint is finished by opposite force from two ends, spot welding is carried out after seamless butt joint, and assembly of the 2-section beam template is finished. In the assembling process, the force points, the beam templates and the prefabricated stirrups are welded, and only 4-5 reinforcing angle steel supports the overall rigidity of the beam templates, so that the beam templates are not favorable for bearing torque.
S3, reinforcing components are arranged on two sides of the beam template; assembling two symmetrical fixing plates into a whole by using a screw rod, and tightening nuts on the bolt rods to complete the reinforcement of the beam template;
s4, arranging support assemblies at the bottoms of the reinforcement assemblies, wherein 3-4 groups of support assemblies are generally arranged below one group of reinforcement assemblies; the jacking of the supporting component is fixed on the bottom supporting batten through nails; according to practical conditions, a supporting component can be properly installed below the plate template;
s5, hanging the plate bottom template, wherein the plate bottom template is positioned below the leakage-proof gasket and is tightly attached to the leakage-proof gasket during hanging, so that slurry leakage during concrete pouring is prevented; the junction between board template and the board template is connected through the buckle, and board template one end sets up the last buckle of roll over, and the other end is provided with the lower buckle of roll over down.
S6, binding beam and plate steel bars; when holes and site holes are reserved on the beam templates and the plate templates, reinforcing ribs are required to be additionally arranged at the corresponding holes;
s7, pouring concrete. The method specifically comprises the following steps: cleaning up sundries, dust, grease and other substances which disturb the combination of concrete on the template; paving a pump pipe, wherein the placement position of the pump pipe is selected at the erection position of the supporting component; the concrete is selected from a mixing ratio with lower slump, casting is started from a beam column joint at one end, the concrete is dispersed and cast during floor casting, and casting elevation is controlled as the concrete is cast and smeared; in the pouring process, the vibration is standardized, the contact between a vibrating rod and a beam and plate template is reduced, and the occurrence of slurry leakage caused by the rupture of a welding point is prevented; in the pouring process, special persons observe abnormal phenomena such as template deformation, slurry leakage and the like in a safety area of the next layer; and the concrete is maintained by sprinkling water, so that flaws such as surface cracks and the like are avoided.
S8, removing the reinforcing component and the supporting component. After the concrete curing strength reaches 100% of the design strength, the support assemblies and the beam template reinforcing members are removed in the order of the plates and the beams, but 10% of the support assemblies of the beams and the plate templates are reserved until the rest 10% of the support assemblies are removed after 28 days of curing, and the removed reinforcement assemblies and the independent support systems are respectively arranged and stacked to a designated area, so that the next use is facilitated.
The S1 specifically comprises the following steps:
s11, selecting a steel plate or profiled steel plate coiled material with the thickness of 1mm as a raw material according to design parameters, and processing a beam template and a floor support plate template by welding;
s12, welding the side die connecting pieces and the bottom die connecting pieces, wherein the distance between two adjacent side die connecting pieces and the distance between two adjacent bottom die connecting pieces are 150-250m, and the width of each connecting piece is 25-35 mm;
s13, welding U-shaped stirrups, wherein the distance between every two adjacent U-shaped stirrups is 500-600mm;
s14, welding reinforcing angle steels at the two ends and the middle position of the upper parts of the two beam side templates, wherein 3-5 reinforcing angle steels are arranged;
and S15, welding a leakage-proof gasket at the outer edge of the uppermost end of the beam side template, wherein the width of the leakage-proof gasket is 20-30mm.
The leak protection gasket is connected with the die block board of board die block board every 100mm position spot welding, guarantees interconnect firm, improves whole steadiness.
When binding beams and floor steel bars, a plurality of U-shaped reverse stirrups are additionally arranged at the U-shaped stirrups.
Compared with the prior art, the invention has the beneficial effects that: the prefabricated templates and a simple supporting system are adopted, so that the assembly and disassembly efficiency of the templates and the supporting frame bodies is improved, the site manual investment is saved, and the use of building materials is reduced; the construction waste is reduced by adopting the metal raw materials, and the operation construction quality is improved; the simple construction method reduces construction procedures, saves labor investment and reduces potential safety hazards; the outer surface of the template is directly used as the surface of the beam and the plate, so that the surface is more attractive and does not need to be treated excessively in the later period; be provided with the split bolt among the prior art, can produce the bolt hole after leading to the roof beam to pour, the bolt hole needs to be shutoff, wastes time and energy, and this device is because the outside reinforcing of template is adopted to can not produce the bolt hole, reduced the shutoff flow, improved the efficiency of construction.
Drawings
FIG. 1 is a schematic view of a beam form;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the structure of a plate template;
FIG. 4 is a schematic view of a structure at a different angle from that of FIG. 3;
FIG. 5 is a schematic structural view of a fixing assembly;
FIG. 6 is a schematic structural view of a support assembly;
FIG. 7 is a usage state reference diagram;
FIG. 8 is a schematic view of a structure at a different angle from that of FIG. 7;
FIG. 9 is a partial enlarged view at B in FIG. 8;
FIG. 10 is an enlarged view of a portion of FIG. 8 at C;
wherein, the reference numerals are as follows: 1. a beam template; 2. a plate template; 3. a reinforcement assembly; 4. a support assembly; 5. a leak-proof gasket; 6. reinforcing angle steel; 7. a column template; 8. folding edges; 101. a beam bottom template; 102. a beam side form; 103. a side die connecting piece; 104. a bottom die connecting piece; 105. u-shaped stirrups; 201. a template at the bottom of the plate; 202. winding a steel bar; 203. lower chord steel bars; 204. a web rib; 205. an upper buckle; 206. a lower buckle; 301. a bottom supporting batten; 302. a U-shaped bottom plate; 303. a vertical U-shaped plate; 304. a fixing plate; 305. a screw; 306. an extension plate; 307. diagonal bracing; 401. an outer sleeve rod; 402. an inner loop bar; 403. a nut; 404. a fixing bolt; 405. an adjustment aperture; 406. a slit hole; 407. jacking; 408. a bottom plate.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
Referring to fig. 1-10, a permanent prefabricated combined formwork system comprises a prefabricated beam formwork 1 and a prefabricated building carrier plate formwork 2, wherein the beam formwork 1 comprises a beam bottom formwork 101 and beam side formworks 102 symmetrically arranged on two sides of the beam bottom formwork 101;
a plurality of side die connecting pieces 103 for connecting the front end face and the rear end face of the beam side die plate 102 are arranged on the inner wall of the beam side die plate 102, and the side die connecting pieces 103 are mutually parallel and horizontally arranged;
a plurality of bottom die connecting pieces 104 which are connected with the front end face and the rear end face of the beam bottom template 101 are arranged on the inner wall of the beam bottom template 101, and the bottom die connecting pieces 104 are mutually parallel and horizontally arranged;
the beam template 1 further comprises a plurality of U-shaped stirrups 105 arranged between the side die connecting piece 103 and the bottom die connecting piece 104, and the U-shaped stirrups 105 are fixed on the side die connecting piece 304 and the bottom die connecting piece 104; the interval between two adjacent U-shaped stirrups 105 is 500-600mm;
the floor support plate template 2 comprises a plate bottom template 201 and a plurality of steel bar trusses arranged on the plate bottom template 201, wherein each steel bar truss comprises an upper chord steel bar 202, lower chord steel bars 203 symmetrically arranged on two sides of the upper chord steel bar 202 and web bars 204 connecting the upper chord steel bar 202 and the lower chord steel bars 203;
the system also comprises a reinforcing component 3 of the precast beam templates 1, and a supporting component 4 of the precast beam templates 1 and precast floor slabs.
The beam bottom forms 101, beam side forms 102, and plate bottom forms 201 are steel plates or profiled steel plates.
The side die connecting piece 103 and the bottom die connecting piece 104 may be T-shaped or L-shaped with the horizontal portion parallel to the die plate and the connecting portion with the die plate perpendicular to the die plate.
Both ends and the middle position of the upper part of the two beam side templates 102 are respectively provided with a plurality of reinforcing angle steels 6 for connecting the two beam side templates 102. The reinforcing angle steel 6 is generally 3-5, and the interval can be determined according to the length of the template.
The connection of the uppermost outer edge of the beam side form 102 and the form floor form 201 is provided with a leakage-proof gasket 5.
The reinforcement assembly 3 comprises a bottom support batten 301, a U-shaped bottom plate 302 is symmetrically arranged on the bottom support batten 301 in a sliding mode, vertical U-shaped plates 303 are arranged at edges of one ends, opposite to top plates, of the two U-shaped bottom plates 302, the open ends of the vertical U-shaped plates 303 are arranged oppositely, side support battens are arranged in grooves of the vertical U-shaped plates 303, fixing plates 304 are arranged on two side plates of the U-shaped bottom plates 302, two fixing plates 304 on the same side of the two U-shaped bottom plates 302 are connected through a screw 305, and the screw 305 is sleeved on the fixing plates 304 and the extending ends of the screw 305 are provided with nuts 403.
The two side plates of the U-shaped bottom plate 302 extend towards the beam bottom template 101, and the vertical U-shaped plate 303 is fixedly connected with the extension plate 306.
The vertical U-shaped plate 303 and the U-shaped bottom plate 302 are connected through a diagonal brace 307.
The support assembly 4 comprises an outer sleeve rod 401, an inner sleeve rod 402 is sleeved in the outer sleeve rod 401, a threaded part is arranged on the outer wall of the upper part of the outer sleeve rod 401, an adjusting nut 403 is arranged on the threaded part in a threaded connection manner, a plurality of adjusting holes 405 are formed in the inner sleeve rod 402 at intervals, and strip holes 406 matched with the adjusting holes 405 are formed in the threaded part;
also comprises a fixed bolt 404 which can be inserted into the adjusting hole 405 and the strip hole 406, wherein the fixed bolt 404 is positioned above the adjusting nut 403;
a bottom plate 408 is arranged below the outer sleeve rod 401, and a jacking 407 is arranged at the upper end of the inner sleeve rod 402.
The construction method of the permanent prefabricated combined template system is characterized by comprising the following specific steps of:
s1, prefabricating a beam template 1 and a floor support plate template 2 according to design requirements, and compiling identification cards of the beam template 1 and the floor support plate template 2;
the identification card information of the beam template 1 comprises construction positions, sizes, lengths, numbers and the like, and the identification card of the beam template 1 is bound at the stirrup at the end part;
the identification card information of the plate template 2 comprises construction positions, sizes, lengths, reinforcing bars, types and the like, the identification card of the plate template 2 is hung at the steel bar truss, the plate template 2 can be taken as a unit according to a packaging batch, and one identification card is arranged in one unit.
S2, hoisting the beam template 1, wherein the two ends of the beam template 1 are respectively embedded into the column templates 710-30mm during hoisting; the column template 7 is cut with a U-shaped opening matched with the beam template 1, the beam template 1 stretches into the column template 7 from the U-shaped opening, a folded edge 8 which is turned outwards by 90 degrees is arranged in the left and right lower 3 directions of the stretching end, the folded edge 8 can prevent the beam template 1 from being separated from the column template 7, and in order to ensure the connection strength, the folded edge can be welded on the column template 7;
when the girder and the secondary girder are arranged in a time sharing mode, the girder and the secondary girder are constructed in sequence, the secondary girder template 1 stretches into the girder template 110-30mm, a U-shaped opening matched with the secondary girder template 1 is formed in the girder template 1, the secondary girder template 1 stretches into the girder template 1 from the U-shaped opening, a folded edge 8 which is turned outwards by 90 degrees is arranged in the left-right lower 3 directions of the stretching end, the folded edge 8 can prevent the secondary girder template 1 from being separated from the girder template 1, and the folded plate can be welded on the girder template 1 for ensuring the connection strength.
Before the hoisting of the beam template 1, the beam template 1 with the length larger than 6m is decomposed into 2 sections, the 2 sections are hoisted after being transported to the field for splicing, the connecting end of the 2 sections of beam templates 1 is provided with a connecting plate made of the same material and 300mm wide, the connecting plate is arranged at the longer 1 section end part, and the 2 sections of connecting sections are connected at the center of the connecting plate by adopting a spot welding connection mode. The lower part of the 2-section beam template 1 is protected by a sleeper, butt joint is finished by opposite force from two ends, and the 2-section beam template 1 is assembled after seamless butt joint and spot welding fixation. In the assembling process, the stress points are noted, the beam template 1 and the prefabricated stirrups are welded, and only 4-5 reinforcing angle steels 6 support the integral rigidity of the beam template 1, so that the bearing of torque is not facilitated.
S3, arranging reinforcing components 3 on two sides of the beam template 1; two symmetrical fixing plates 304 are assembled into a whole by using a screw 305, and nuts 403 on the bolt rods are screwed to complete the reinforcement of the beam template 1;
s4, arranging support assemblies 4 at the bottoms of the reinforcement assemblies 3, wherein 3-4 groups of support assemblies 4 are generally arranged below one group of reinforcement assemblies 3; the jacking 407 of the supporting component 4 is fixed on the bottom supporting batten 301 through nails; according to the actual situation, the supporting component 4 can be properly installed below the plate template 2;
s5, hoisting the plate template 2, wherein the plate bottom template 201 is guaranteed to be positioned below the leakage-proof gasket 5 and is tightly attached to the leakage-proof gasket 5 during hoisting, so that slurry leakage during concrete pouring is prevented; the connection between the board template 2 and the board template 2 is connected through a buckle, one end of the board template 2 is provided with an upper buckle 205 which is folded upwards, and the other end is provided with a lower buckle 206 which is folded downwards.
S6, binding beam and plate steel bars; when holes and site holes are reserved on the beam template 1 and the plate template 2, reinforcing ribs are required to be additionally arranged at the corresponding holes;
s7, pouring concrete. The method specifically comprises the following steps: cleaning up sundries, dust, grease and other substances which disturb the combination of concrete on the template; laying a pump pipe, wherein the placement position of the pump pipe is selected at the erection position of the support component 4; the concrete is selected from a mixing ratio with lower slump, casting is started from a beam column joint at one end, the concrete is dispersed and cast during floor casting, and casting elevation is controlled as the concrete is cast and smeared; in the pouring process, vibration is standardized, the contact between a vibrating rod and a beam and plate template 2 is reduced, and the occurrence of slurry leakage caused by the rupture of a welding point is prevented; in the pouring process, special persons observe abnormal phenomena such as template deformation, slurry leakage and the like in a safety area of the next layer; and the concrete is maintained by sprinkling water, so that flaws such as surface cracks and the like are avoided.
S8, removing the reinforcing component 3 and the supporting component 4. After the concrete curing strength reaches 100% of the design strength, the support assemblies 4 and the reinforcing members of the beam template 1 are removed in the order of the plates and the beams, but 10% of the support assemblies 4 of the beam and the plate template 2 are reserved until the rest 10% of the support assemblies 4 are removed after 28 days of curing, and the removed reinforcement assemblies 3 and the independent support systems are respectively arranged and stacked to a designated area, so that the next use is facilitated.
S1 specifically comprises the following steps:
s11, selecting a steel plate or profiled steel plate coiled material with the thickness of 1mm as a raw material according to design parameters, and processing a beam template 1 and a floor support plate template 2 by welding;
s12, welding a side die connecting piece 103 and a bottom die connecting piece 104, wherein the distance between two adjacent side die connecting pieces 103 and the distance between two adjacent bottom die connecting pieces 104 are 150-250m, and the width of each connecting piece is 25-35 mm;
s13, welding U-shaped stirrups, wherein the distance between every two adjacent U-shaped stirrups is 500-600mm;
s14, welding reinforcing angle steels 6 at two ends and the middle position of the upper parts of the two beam side templates 102, wherein 3-5 reinforcing angle steels 6 are arranged;
and S15, welding a leakage-proof gasket 5 at the outer edge of the uppermost end of the beam side template 102, wherein the width of the leakage-proof gasket 5 is 20-30mm.
The leak-proof gasket 5 is in spot welding connection with the bottom template of the plate bottom template 201 at every 100mm position, so that firm connection is ensured, and the overall stability is improved.
When binding beams and floor steel bars, a plurality of U-shaped reverse stirrups are additionally arranged at the U-shaped stirrups 105.
Embodiment two:
a construction method of a permanent prefabricated combined template system comprises the following specific steps:
s1, prefabricating a beam template 1 and a floor support plate template 2 according to design requirements, and compiling identification cards of the beam template 1 and the floor support plate template 2;
the identification card information of the beam template 1 comprises construction positions, sizes, lengths, numbers and the like, and the identification card of the beam template 1 is bound at the stirrup at the end part;
the identification card information of the plate template 2 comprises construction positions, sizes, lengths, reinforcing bars, types and the like, the identification card of the plate template 2 is hung at the steel bar truss, the plate template 2 can be taken as a unit according to a packaging batch, and one identification card is arranged in one unit.
S2, hoisting the beam template 1, wherein the two ends of the beam template 1 are respectively embedded into the column templates 710-30mm during hoisting; the column template 7 is cut with a U-shaped opening matched with the beam template 1, the beam template 1 stretches into the column template 7 from the U-shaped opening, a folded edge 8 which is turned outwards by 90 degrees is arranged in the left and right lower 3 directions of the stretching end, the folded edge 8 can prevent the beam template 1 from being separated from the column template 7, and in order to ensure the connection strength, the folded edge can be welded on the column template 7;
when the girder and the secondary girder are arranged in a time sharing mode, the girder and the secondary girder are constructed in sequence, the secondary girder template 1 stretches into the girder template 110-30mm, a U-shaped opening matched with the secondary girder template 1 is formed in the girder template 1, the secondary girder template 1 stretches into the girder template 1 from the U-shaped opening, a folded edge 8 which is turned outwards by 90 degrees is arranged in the left-right lower 3 directions of the stretching end, the folded edge 8 can prevent the secondary girder template 1 from being separated from the girder template 1, and the folded plate can be welded on the girder template 1 for ensuring the connection strength.
Before the hoisting of the beam template 1, the beam template 1 with the length larger than 6m is decomposed into 2 sections, the 2 sections are hoisted after being transported to the field for splicing, the connecting end of the 2 sections of beam templates 1 is provided with a connecting plate made of the same material and 300mm wide, the connecting plate is arranged at the longer 1 section end part, and the 2 sections of connecting sections are connected at the center of the connecting plate by adopting a spot welding connection mode. The lower part of the 2-section beam template 1 is protected by a sleeper, butt joint is finished by opposite force from two ends, and the 2-section beam template 1 is assembled after seamless butt joint and spot welding fixation. In the assembling process, the stress points are noted, the beam template 1 and the prefabricated stirrups are welded, and only 4-5 reinforcing angle steels 6 support the integral rigidity of the beam template 1, so that the bearing of torque is not facilitated.
S3, arranging reinforcing components 3 on two sides of the beam template 1; two symmetrical fixing plates 304 are assembled into a whole by using a screw 305, and nuts 403 on the bolt rods are screwed to complete the reinforcement of the beam template 1;
s4, arranging support assemblies 4 at the bottoms of the reinforcement assemblies 3, wherein 3-4 groups of support assemblies 4 are generally arranged below one group of reinforcement assemblies 3; the jacking 407 of the supporting component 4 is fixed on the bottom supporting batten 301 through nails; according to the actual situation, the supporting component 4 can be properly installed below the plate template 2;
s5, hoisting the plate template 2, wherein the plate bottom template 201 is guaranteed to be positioned below the leakage-proof gasket 5 and is tightly attached to the leakage-proof gasket 5 during hoisting, so that slurry leakage during concrete pouring is prevented; the connection between the board template 2 and the board template 2 is connected through a buckle, one end of the board template 2 is provided with an upper buckle 205 which is folded upwards, and the other end is provided with a lower buckle 206 which is folded downwards.
S6, binding beam and plate steel bars; when holes and site holes are reserved on the beam template 1 and the plate template 2, reinforcing ribs are required to be additionally arranged at the corresponding holes;
s7, pouring concrete. The method specifically comprises the following steps: cleaning up sundries, dust, grease and other substances which disturb the combination of concrete on the template; laying a pump pipe, wherein the placement position of the pump pipe is selected at the erection position of the support component 4; the concrete is selected from a mixing ratio with lower slump, casting is started from a beam column joint at one end, the concrete is dispersed and cast during floor casting, and casting elevation is controlled as the concrete is cast and smeared; in the pouring process, vibration is standardized, the contact between a vibrating rod and a beam and plate template 2 is reduced, and the occurrence of slurry leakage caused by the rupture of a welding point is prevented; in the pouring process, special persons observe abnormal phenomena such as template deformation, slurry leakage and the like in a safety area of the next layer; and the concrete is maintained by sprinkling water, so that flaws such as surface cracks and the like are avoided.
S8, removing the reinforcing component 3 and the supporting component 4. After the concrete curing strength reaches 100% of the design strength, the support assemblies 4 and the reinforcing members of the beam template 1 are removed in the order of the plates and the beams, but 10% of the support assemblies 4 of the beam and the plate template 2 are reserved until the rest 10% of the support assemblies 4 are removed after 28 days of curing, and the removed reinforcement assemblies 3 and the independent support systems are respectively arranged and stacked to a designated area, so that the next use is facilitated.
S1 specifically comprises the following steps:
s11, selecting a steel plate or profiled steel plate coiled material with the thickness of 1mm as a raw material according to design parameters, and processing a beam template 1 and a floor support plate template 2 by welding;
s12, welding a side die connecting piece 103 and a bottom die connecting piece 104, wherein the distance between two adjacent side die connecting pieces 103 and the distance between two adjacent bottom die connecting pieces 104 are 150-250m, and the width of each connecting piece is 25-35 mm;
s13, welding U-shaped stirrups, wherein the distance between every two adjacent U-shaped stirrups is 500-600mm;
s14, welding reinforcing angle steels 6 at two ends and the middle position of the upper parts of the two beam side templates 102, wherein 3-5 reinforcing angle steels 6 are arranged;
and S15, welding a leakage-proof gasket 5 at the outer edge of the uppermost end of the beam side template 102, wherein the width of the leakage-proof gasket 5 is 20-30mm.
The leak-proof gasket 5 is in spot welding connection with the bottom template of the plate bottom template 201 at every 100mm position, so that firm connection is ensured, and the overall stability is improved.
When binding beams and floor steel bars, a plurality of U-shaped reverse stirrups are additionally arranged at the U-shaped stirrups 105.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
The technical features of the present invention that are not described in the present invention may be implemented by or using the prior art, and are not described in detail herein, but the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, but is also intended to be within the scope of the present invention by those skilled in the art.
Claims (5)
1. The permanent prefabricated combined template system is characterized by comprising a prefabricated beam template and prefabricated building carrier plate templates, wherein the beam template comprises a beam bottom template and beam side templates symmetrically arranged on two sides of the beam bottom template;
a plurality of side die connecting pieces which are connected with the front end face and the rear end face of the beam side template are arranged on the inner wall of the beam side template, and the side die connecting pieces are mutually parallel and horizontally arranged;
the inner wall of the beam bottom template is provided with a plurality of bottom die connecting pieces connected with the front end face and the rear end face of the beam bottom template, and the bottom die connecting pieces are mutually parallel and horizontally arranged;
the beam template further comprises a plurality of U-shaped stirrups arranged between the side die connecting pieces and the bottom die connecting pieces, and the U-shaped stirrups are fixed on the side die connecting pieces and the bottom die connecting pieces;
the building carrier plate template comprises a plate bottom template and a plurality of steel bar trusses arranged on the plate bottom template, wherein each steel bar truss comprises an upper chord steel bar, lower chord steel bars symmetrically arranged on two sides of the upper chord steel bar and web bars for connecting the upper chord steel bar and the lower chord steel bar;
the system also comprises a plurality of reinforcement assemblies of the precast beam templates and support assemblies of the precast beam templates and precast floor slabs;
the side die connecting piece and the bottom die connecting piece can be T-shaped or L-shaped, the horizontal part is parallel to the die plate, and the connecting part between the side die connecting piece and the die plate is perpendicular to the die plate;
two ends of the upper part of the two beam side templates and the middle position are respectively provided with a plurality of reinforcing angle steels connected with the two beam side templates;
a leakage-proof gasket is arranged at the joint of the outer edge of the uppermost end of the beam side template and the template at the bottom of the template;
the construction method of the permanent prefabricated combined template system is characterized by comprising the following specific steps of:
s1, prefabricating a beam template and a floor support plate template according to design requirements, and compiling identification cards of the beam template and the plate template;
s2, hoisting the beam templates, wherein the two ends of the beam templates are respectively embedded into the column templates for 10-30mm during hoisting; the column template is cut into a U-shaped opening matched with the beam template, the beam template stretches into the column template from the U-shaped opening, folded edges which are turned outwards by 90 degrees are arranged in the left and right lower 3 directions of the stretching end, and the folded edges are welded on the column template;
before hoisting the beam templates, splicing the beam templates, wherein the length of the beam templates is more than 6m, the beam templates are decomposed into 2 sections, the 2 sections of beam templates are transported to the site for hoisting after being spliced, the connecting ends of the 2 sections of beam templates are provided with a connecting plate made of the same material with the width of 300mm, the connecting plate is arranged at the longer 1 section end part of the connecting plate, and the 2 section connecting sections are connected at the central position of the connecting plate in a spot welding connection mode;
s3, reinforcing components are arranged on two sides of the beam template;
s4, arranging support assemblies at the bottoms of the reinforcement assemblies, wherein 3-4 groups of support assemblies are generally arranged below one group of reinforcement assemblies;
s5, hoisting the plate template, wherein the bottom template on the plate template is ensured to be positioned below the leakage-proof gasket and is tightly attached to the leakage-proof gasket during hoisting;
s6, binding beam and plate steel bars;
s7, pouring concrete;
s8, dismantling the reinforcing component and the supporting component;
the S1 specifically comprises the following steps:
s11, selecting a steel plate or profiled steel plate coiled material with the thickness of 1mm as a raw material according to design parameters, and processing a beam template and a floor support plate template by welding;
s12, welding the side die connecting pieces and the bottom die connecting pieces, wherein the distance between two adjacent side die connecting pieces and the distance between two adjacent bottom die connecting pieces are 150-250m, and the width of each connecting piece is 25-35 mm;
s13, welding U-shaped stirrups, wherein the distance between every two adjacent U-shaped stirrups is 500-600mm;
s14, welding reinforcing angle steels at the two ends and the middle position of the upper parts of the two beam side templates, wherein 3-5 reinforcing angle steels are arranged;
s15, welding a leakage-proof gasket at the outer edge of the uppermost end of the beam side template, wherein the width of the leakage-proof gasket is 20-30mm; the leak-proof gasket is connected with the bottom template of the plate template by spot welding every 100 mm.
2. The permanent prefabricated composite form system of claim 1, wherein the beam bottom form, beam side form and the plate bottom form are each steel or profiled steel.
3. The permanent prefabricated combined formwork system according to claim 1, wherein the reinforcement assembly comprises a bottom support batten, a U-shaped bottom plate is symmetrically arranged on the bottom support batten in a sliding mode, two opposite end edges of top plates of the U-shaped bottom plate are respectively provided with a vertical U-shaped plate, open ends of the vertical U-shaped plates are oppositely arranged, side support battens are respectively arranged in grooves of the vertical U-shaped plates, fixing plates are respectively arranged on two side plates of the U-shaped bottom plate, the two fixing plates on the same side of the U-shaped bottom plate are connected through a screw rod, and the screw rod is sleeved on the fixing plates and the extending ends of the screw rod are respectively provided with a nut.
4. A permanent prefabricated composite formwork system as claimed in claim 3, wherein; the supporting component comprises an outer sleeve rod, an inner sleeve rod is sleeved in the outer sleeve rod, a threaded part is arranged on the outer wall of the upper part of the outer sleeve rod, an adjusting nut is arranged on the threaded part in a threaded connection mode, a plurality of adjusting holes are formed in the inner sleeve rod at intervals, and strip holes matched with the adjusting holes are formed in the threaded part;
the fixing bolt can be inserted into the adjusting hole and the strip hole, and is positioned above the adjusting nut;
the bottom plate is arranged below the outer sleeve rod, and the jacking is arranged at the upper end of the inner sleeve rod.
5. The system of claim 4, wherein a plurality of U-shaped reverse stirrups are added at the U-shaped stirrups when binding beams and floor steel bars.
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