CN115419260A - Permanent prefabricated combined template system and construction method - Google Patents
Permanent prefabricated combined template system and construction method Download PDFInfo
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- CN115419260A CN115419260A CN202211201280.3A CN202211201280A CN115419260A CN 115419260 A CN115419260 A CN 115419260A CN 202211201280 A CN202211201280 A CN 202211201280A CN 115419260 A CN115419260 A CN 115419260A
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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
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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
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
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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
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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
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
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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
- 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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- Civil Engineering (AREA)
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- 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 scheme is as follows: the prefabricated floor support plate template comprises a prefabricated beam template and prefabricated floor support 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; the inner wall of the beam side template is provided with a plurality of side template connecting sheets for connecting the front end surface and the rear end surface of the beam side template; a plurality of bottom die connecting sheets for connecting the front end surface and the rear end surface of the beam bottom template are arranged on the inner wall of the beam bottom template; the beam template also comprises a plurality of U-shaped stirrups arranged between the side die connecting sheets and the bottom die connecting sheets, and the U-shaped stirrups are fixed on the side die connecting sheets and the bottom die connecting sheets; the floor bearing 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, a precast beam template and a supporting assembly of the precast floor bearing plate. The invention has the beneficial effects that: the beam formwork and the floor support plate formwork can be prefabricated in advance and do not need to be detached 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 in a building engineering is constructed, the construction sequence of columns and beams and slabs is usually adopted. Firstly, binding column steel bars, and erecting a column template to a beam bottom elevation; then erecting a beam-slab scaffold and binding beam-slab steel bars; and finally, finishing beam plate concrete pouring according to the elevation.
At present, in the construction process of a beam slab main body structure, processes 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 reinforcing steel bars, installing a beam template at the other side, installing a batten and counter-pull screw to fix the beam template, erecting the slab template, binding the slab reinforcing steel bars, pouring concrete, dismantling the beam and the slab template and the like are needed. The above process has the following problems: the support frame adopts a scaffold erecting body, so that the mounting and dismounting processes are multiple, the potential safety hazard is multiple, and large and small accidents occur in long time; the number of the counter-pulling screws is large, and the templates need to be completely removed, so that the construction efficiency is influenced; the building structure's roof beam, board size are very many, and plank sheathing and flitch easily take place the loss and can't have enough to meet the need the use many times, need make in the work progress, ann tears a large amount of plank sheathing open, produces a large amount of building rubbish, is unfavorable for uses such as environmental protection, cost control.
Disclosure of Invention
The invention aims to provide a permanent prefabricated combined template system and a construction method, wherein a beam template and a floor support plate template can be prefabricated in advance, and the permanent prefabricated combined template system and the construction method do not need to be disassembled after concrete is poured.
The invention is realized by the following measures: a permanent prefabricated combined template system is characterized by comprising a prefabricated beam template and prefabricated floor support 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;
the inner wall of the beam side template is provided with a plurality of side template connecting sheets which are connected with the front end surface and the rear end surface of the beam side template, and the side template connecting sheets are parallel to each other and are horizontally arranged;
the inner wall of the beam bottom template is provided with a plurality of bottom template connecting sheets connected with the front end surface and the rear end surface of the beam bottom template, and the bottom template connecting sheets are parallel to each other and horizontally arranged;
the beam template also comprises a plurality of U-shaped stirrups arranged between the side die connecting sheets and the bottom die connecting sheets, and the U-shaped stirrups are fixed on the side die connecting sheets and the bottom die connecting sheets; the interval between two adjacent U-shaped hoops is 500-600mm;
the floor support 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 at two sides of the upper chord steel bar and web bars connecting the upper chord steel bar and the lower chord steel bar;
the prefabricated beam formwork support structure further comprises a plurality of reinforcing assemblies of the prefabricated beam formwork and support assemblies of the prefabricated beam formwork and the prefabricated floor bearing plate.
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 sheet and the bottom die connecting sheet can be T-shaped or L-shaped, and the horizontal part is vertical to the template and the connecting part of the template is vertical to the template.
And a plurality of reinforcing angle steels for connecting the two beam side templates are arranged at the two ends of the upper part of the two beam side templates and in the middle. The number of the reinforcing angle steels is generally 3-5, and the distance can be determined according to the length of the template.
And a leakproof gasket is arranged at the joint of the outer edge of the uppermost end of the beam side template and the bottom template.
The reinforcing component comprises a bottom support batten, the bottom support batten is symmetrically and slidably provided with a U-shaped bottom plate and two vertical U-shaped plates are arranged at the edge of one end, opposite to a top plate, of the U-shaped bottom plate, the open end of each vertical U-shaped plate is arranged oppositely, side support battens are arranged in grooves of the vertical U-shaped plates, fixing plates and two fixing plates are arranged on two side plates of the U-shaped bottom plate and connected through screw rods, the screw rods are sleeved on the fixing plates, and nuts are arranged at the extending ends of the fixing plates.
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 and the U-shaped bottom plate are connected through an inclined strut.
The support assembly 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 through threaded connection, a plurality of adjusting holes are arranged on the inner sleeve rod at intervals, and long 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;
a bottom plate is arranged below the outer loop bar, and a jacking support is arranged at the upper end of the inner loop bar.
A construction method of a permanent prefabricated combined template system is characterized by comprising the following specific steps:
s1, prefabricating a beam template and a floor support plate template according to design requirements, and weaving identification cards of the beam template and the floor support plate template;
the identification card information of the beam template comprises construction position, size, length, serial number and the like, and the identification card of the beam template is bound at the end stirrup;
the identification card information of the plate template comprises construction position, size, length, reinforcing bars, type and the like, the identification card of the plate template is hung at the steel bar truss, the plate template can be used as a unit according to the packaging batch, and one identification card is arranged in one unit.
S2, hoisting the beam template, wherein the two ends of the beam template are respectively embedded into the column templates by 10-30mm during hoisting; the column template is cut with a U-shaped opening matched with the beam template, the beam template extends into the column template from the U-shaped opening, and folded edges which are turned outwards by 90 degrees are arranged in the left direction, the right direction and the lower direction of the extending end, the folded edges can prevent the beam template from being separated from the column template, and the folded plates can be welded on the column template in order to ensure the connection strength;
when the main beam and the secondary beam are arranged, the construction is carried out in the sequence of firstly constructing the main beam and then constructing the secondary beam, the secondary beam template extends into the main beam template by 10-30mm, a U-shaped opening matched with the secondary beam template is formed in the main beam template, the secondary beam template extends into the main beam template from the U-shaped opening, and folded edges which are turned outwards by 90 degrees are arranged in the left direction and the right direction of the extending end and the lower direction of the extending end, the folded edges can prevent the secondary beam template from being separated from the main beam template, and the folded plates can be welded on the main beam template in order to ensure the connection strength.
Before carrying out the hoist and mount of beam template, still include the concatenation of beam template, length is greater than the beam template of 6m and decomposes into 2 sections, transports to hoist after the on-the-spot concatenation, and 2 sections beam template link sets up the same material connecting plate of a 300mm width, and the connecting plate is established at 1 section tip that wherein is longer, and 2 sections linkage segments are connected at the connecting plate central point, adopt spot welding connected mode. And (3) protecting the lower part of the 2-section beam template by using sleepers, exerting force in opposite directions from two ends to complete butt joint, and performing spot welding and fixing after seamless butt joint to complete assembly of the 2-section beam template. In the assembling process, attention should be paid to the force application point, the beam template and the prefabricated stirrups are all welded, and only 4-5 reinforcing angle steel support beam templates have integral rigidity, so that the beam template is not beneficial to bearing torque.
S3, arranging reinforcing components on two sides of the beam template; assembling the two symmetrical fixing plates into a whole by using a screw, and screwing nuts on the bolt rods to finish the reinforcement of the beam template;
s4, arranging support assemblies at the bottoms of the reinforcing assemblies, and generally arranging 3-4 groups of support assemblies below one group of reinforcing assemblies; the top support of the supporting component is fixed on the bottom supporting batten through nails; according to actual conditions, a support component can be properly installed below the plate formwork;
s5, hoisting the plate template, wherein the plate bottom template is ensured to be positioned below the leakage-proof gasket and tightly attached to the leakage-proof gasket during hoisting, so that slurry leakage during concrete pouring is prevented; the connection between the plate template and the plate template is connected through a buckle, one end of the plate template is provided with an upper buckle which is folded upwards, and the other end of the plate template is provided with a lower buckle which is folded downwards.
S6, binding the beam and the plate steel bar; when the beam template and the plate template need to be reserved with holes and opened on site, reinforcing ribs need to be additionally arranged at the corresponding opened positions;
and S7, pouring concrete. The method specifically comprises the following steps: cleaning up sundries, dust, grease and other substances which can hinder the combination of concrete on the template; laying a pump pipe, wherein the placement position of the pump pipe is selected from the erection position of the support component; selecting a mixing proportion with low slump, pouring from the joint of the beam column at one end, dispersing and pouring the concrete during floor slab pouring, and controlling the pouring elevation along with plastering; in the pouring process, the vibration is standard, the contact between a vibrating rod and a beam and a plate template is reduced, and the slurry leakage caused by the fracture of a welding point is prevented; in the pouring process, a specially-assigned person observes abnormal phenomena such as template deformation, slurry leakage and the like in a safe area of the next layer; the concrete is maintained by sprinkling water, so that flaws such as surface cracks are avoided.
S8, removing the reinforcing component and the supporting component. After the concrete curing strength reaches 100% of design strength, the supporting assemblies and the beam template reinforcing members are dismantled in the order of plate first and beam second, but 10% of the supporting assemblies of the beams and the plate templates are reserved, the rest 10% of the supporting assemblies are dismantled until 28 days of curing, and the dismantled reinforcing assemblies and the independent supporting systems are respectively arranged and stacked to a specified area, so that the concrete can be used next time.
The S1 specifically comprises the following steps:
s11, according to design parameters, selecting a steel plate or a profiled steel sheet coiled material with the thickness of 1mm as a raw material, and processing a beam template and a floor support plate template through welding;
s12, welding the side die connecting sheets and the bottom die connecting sheets, wherein the distance between two adjacent side die connecting sheets and the distance between two adjacent bottom die connecting sheets are 150-250m, and the width of each connecting sheet is 25-35 mm;
s13, welding U-shaped stirrups, wherein the distance between every two adjacent U-shaped stirrups is 500-600mm;
s14, welding 3-5 reinforcing angle steels at the two ends and the middle position of the upper parts of the two beam side templates;
s15, welding a leakage-proof gasket on 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 every 100mm position spot welding of the die block board of board die block board, guarantees interconnect firmly, improves whole steadiness.
When the reinforcing steel bars of the beam and the floor slab are bound, 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 template and the simple support system are adopted, the installing and detaching efficiency of the template and the support frame body is improved, the field labor input is saved, and the use of building materials is reduced; the construction waste is reduced by adopting metal raw materials, and the operation construction quality is improved; the simple construction method, the reduced construction procedures, the saved labor input and the reduced potential safety hazard; the outer surface of the template is directly used as the surface of the beam and the plate, so that the template is more attractive and does not need to be treated too much in the later period; be provided with the split bolt among the prior art, lead to the roof beam to pour and to produce the bolt hole, the bolt hole needs to carry out the shutoff, wastes time and energy, and this device is because adopt the template outside to consolidate to can not produce the bolt hole, has reduced the shutoff flow, has improved the efficiency of construction.
Drawings
FIG. 1 is a schematic structural view of a beam form;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural view of a plate template;
FIG. 4 is a schematic view of the 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 the support assembly;
FIG. 7 is a reference diagram of a use state;
FIG. 8 is a schematic view of the structure at a different angle from that of FIG. 7;
FIG. 9 is an enlarged view of a portion of FIG. 8 at B;
FIG. 10 is an enlarged view of a portion of FIG. 8 at C;
wherein the reference numerals are: 1. a beam form; 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 template; 103. connecting sheets for side molds; 104. connecting a bottom die; 105. u-shaped stirrups; 201. a plate bottom template; 202. upper chord steel bars; 203. a lower chord steel bar; 204. abdominal muscle; 205. an upper buckle; 206. a lower buckle; 301. bottom support battens; 302. a U-shaped bottom plate; 303. a vertical U-shaped plate; 304. a fixing plate; 305. a screw; 306. an extension plate; 307. bracing; 401. an outer loop bar; 402. an inner loop bar; 403. a nut; 404. a fixing bolt; 405. an adjustment hole; 406. a strip hole; 407. jacking; 408. a base plate.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1-10, a permanent prefabricated combined formwork system includes a prefabricated beam formwork 1 and a prefabricated floor deck formwork 2, wherein the beam formwork 1 includes a beam bottom formwork 101 and beam side formworks 102 symmetrically disposed at both sides of the beam bottom formwork 101;
a plurality of side mold connecting pieces 103 for connecting the front end face and the rear end face of the beam side mold 102 are arranged on the inner wall of the beam side mold 102, and the side mold connecting pieces 103 are parallel to each other and are horizontally arranged;
a plurality of bottom die connecting pieces 104 for connecting the front end surface and the rear end surface 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 parallel to each other and are horizontally arranged;
the beam template 1 also comprises a plurality of U-shaped stirrups 105 arranged between the side die connecting sheets 103 and the bottom die connecting sheets 104, and the U-shaped stirrups 105 are fixed on the side die connecting sheets 304 and the bottom die connecting sheets 104; the interval between two adjacent U-shaped hoops 105 is 500-600mm;
the floor bearing 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 at 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 prefabricated floor slab further comprises a plurality of reinforcing components 3 of the prefabricated beam formworks 1, and supporting components 4 of the prefabricated beam formworks 1 and the prefabricated floor slab.
The beam bottom template 101, the beam side template 102 and the plate bottom template 201 are all steel plates or profiled steel plates.
The side die connecting pieces 103 and the bottom die connecting pieces 104 may be T-shaped or L-shaped and have horizontal portions perpendicular to the die plates and connecting portions with the die plates perpendicular to the die plates.
The two ends and the middle position of the upper parts 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 number of the reinforcing angle steels 6 is generally 3-5, and the distance can be determined according to the length of the template.
And a leakproof gasket 5 is arranged at the joint of the outer edge of the uppermost end of the beam side template 102 and the bottom template 201.
Consolidate subassembly 3 includes bottom sprag flitch 301, the symmetry slides on the bottom sprag flitch 301 and is provided with U type bottom plate 302, the one end edge that the roof of two U type bottom plates 302 is relative all is provided with vertical U template 303, the beginning of vertical U template 303 sets up relatively, the inslot of vertical U template 303 all is provided with the side support flitch, all be provided with fixed plate 304 on two curb plates of U type bottom plate 302, connect through screw rod 305 between two fixed plates 304 of two U type bottom plates 302 homonymies, screw rod 305 cup joints on fixed plate 304 and stretches out the end and all is provided with nut 403.
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 an inclined strut 307.
The support component 4 comprises an outer loop bar 401, an inner loop bar 402 is sleeved in the outer loop bar 401, a threaded portion is arranged on the outer wall of the upper portion of the outer loop bar 401, an adjusting nut 403 is arranged on the threaded portion in a threaded connection mode, a plurality of adjusting holes 405 are arranged on the inner loop bar 402 at intervals, and long holes 406 matched with the adjusting holes 405 are formed in the threaded portion;
the adjusting device also comprises a fixing bolt 404 which can be inserted into the adjusting hole 405 and the long hole 406, wherein the fixing bolt 404 is positioned above the adjusting nut 403;
a bottom plate 408 is arranged below the outer loop bar 401, and a top support 407 is arranged at the upper end of the inner loop bar 402.
A construction method of a permanent prefabricated combined template system is characterized by comprising the following specific steps:
s1, prefabricating a beam template 1 and a floor support plate template 2 according to design requirements, and weaving 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 position, size, length, number and the like, and the identification card of the beam template 1 is bound at the end stirrup;
the identification card information of the plate template 2 comprises construction position, size, length, reinforcing bars, type and the like, the identification card of the plate template 2 is hung at the steel bar truss, the plate templates 2 can be used as units according to the packaging batch, and one identification card is arranged in each unit.
S2, hoisting the beam template 1, wherein the two ends of the beam template 1 are respectively embedded into the column templates by 710-30mm during hoisting; a U-shaped opening matched with the beam template 1 is cut on the column template 7, the beam template 1 extends into the column template 7 from the U-shaped opening, and folded edges 8 which are turned out for 90 degrees are arranged in the left direction, the right direction and the lower direction of the extending end of the beam template 1, the folded edges 8 can prevent the beam template 1 from being separated from the column template 7, and the folded plates can be welded on the column template 7 in order to ensure the connection strength;
when the main beam and the secondary beam are arranged, the construction is carried out in the sequence of the main beam and the secondary beam, the secondary beam template 1 extends into the main beam template by 110-30mm, a U-shaped opening matched with the secondary beam template 1 is formed in the main beam template 1, the secondary beam template 1 extends into the main beam template 1 from the U-shaped opening, and folded edges 8 which are turned outwards by 90 degrees are arranged in the left direction and the right direction and the lower direction of the extending end, the folded edges 8 can prevent the secondary beam template 1 from being separated from the main beam template 1, and the folded plates can be welded on the main beam template 1 in order to ensure the connection strength.
Before carrying out the hoist and mount of beam template 1, still include the concatenation of beam template 1, 2 sections are decomposed into to beam template 1 that length is greater than 6m, transport to hoist after the on-the-spot concatenation, 2 sections 1 link of beam template set up a 300mm wide connecting plate with the material, the connecting plate is established at 1 section tip that wherein is longer, and 2 sections linkage segments are connected at the connecting plate central point, adopt spot welding connected mode. And the lower part of the 2-section beam template 1 is protected by sleepers, the butt joint is completed by exerting force in opposite directions from two ends, and the 2-section beam template 1 is assembled by spot welding and fixing after seamless butt joint. In the assembling process, attention should be paid to the point of force, the beam template 1 and the prefabricated stirrups are all welded, only 4-5 reinforcing angle steels 6 support the overall rigidity of the beam template 1, and the beam template is not beneficial to bearing torque.
S3, arranging reinforcing components 3 on two sides of the beam template 1; assembling two symmetrical fixing plates 304 into a whole by using a screw 305, and tightening nuts 403 on bolt rods to finish the reinforcement of the beam template 1;
s4, arranging supporting components 4 at the bottoms of the reinforcing components 3, and generally arranging 3-4 groups of supporting components 4 below one group of reinforcing components 3; the top support 407 of the support component 4 is fixed on the bottom support batten 301 through nails; according to actual conditions, the supporting component 4 can be properly installed below the plate formwork 2;
s5, hoisting the template 2, and ensuring that the template bottom 201 is positioned below the leakage-proof gasket 5 and clings to the leakage-proof gasket 5 during hoisting to prevent slurry leakage during concrete pouring; the connection between the plate template 2 and the plate template 2 is connected by a buckle, one end of the plate 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 the beam and the plate steel bar; when the beam template 1 and the plate template 2 need to be provided with holes and holes on site, reinforcing ribs need to be additionally arranged at the corresponding holes;
and S7, pouring concrete. The method specifically comprises the following steps: cleaning up sundries, dust, grease and other substances which can hinder the combination of concrete on the template; laying a pump pipe, wherein the placement position of the pump pipe is selected from the position where the support component 4 is erected; selecting a mixing proportion with low slump, pouring from the joint of the beam column at one end, dispersing and pouring the concrete during floor slab pouring, and controlling the pouring elevation along with plastering; the vibration is standard in the pouring process, the contact between a vibrating rod and the beam and plate templates 2 is reduced, and the slurry leakage caused by the fracture of a welding point is prevented; in the pouring process, a specially-assigned person observes abnormal phenomena such as template deformation, slurry leakage and the like in a safe area of the next layer; the concrete is maintained by sprinkling water, so that defects 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 designed strength, the supporting components 4 and the reinforcing members of the beam template 1 are removed in the order of plate first and beam second, but 10% of the supporting components 4 of the beam and the plate template 2 are remained, the rest 10% of the supporting components 4 are removed until 28 days of curing, and the removed reinforcing components 3 and the independent supporting system are respectively arranged and stacked to a specified area for use next time.
S1 specifically comprises the following steps:
s11, according to design parameters, selecting a steel plate or a profiled steel plate coiled material with the thickness of 1mm as a raw material, and welding a beam template 1 and a floor support plate template 2;
s12, welding the side die connecting sheets 103 and the bottom die connecting sheets 104, wherein the distance between two adjacent side die connecting sheets 103 and the distance between two adjacent bottom die connecting sheets 104 are 150-250m, and the width of each connecting sheet is 25-35 mm;
s13, welding U-shaped stirrups, wherein the distance between every two adjacent U-shaped stirrups is 500-600mm;
s14, welding 3-5 reinforcing angle steels 6 at two ends and the middle position of the upper parts of the two beam side templates 102;
s15, welding a leakage-proof gasket 5 on 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.
Every 100mm position spot welding of leak protection gasket 5 and the die block board of board die block board 201 is connected, guarantees interconnect firmly, improves whole steadiness.
When the reinforcing steel bars of the beam and the floor slab are bound, a plurality of U-shaped reverse stirrups are additionally arranged at the positions 105 of the U-shaped stirrups.
Example 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 weaving 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 position, size, length, number and the like, and the identification card of the beam template 1 is bound at the end stirrup;
the identification card information of the plate template 2 comprises construction position, size, length, reinforcing bars, type and the like, the identification card of the plate template 2 is hung at the steel bar truss, the plate templates 2 can be used as units according to the packaging batch, and one identification card is arranged in each unit.
S2, hoisting the beam template 1, wherein the two ends of the beam template 1 are respectively embedded into the column templates by 710-30mm during hoisting; a U-shaped opening matched with the beam template 1 is cut on the column template 7, the beam template 1 extends into the column template 7 from the U-shaped opening, and folded edges 8 which are turned out for 90 degrees are arranged in the left direction, the right direction and the lower direction of the extending end of the beam template 1, the folded edges 8 can prevent the beam template 1 from being separated from the column template 7, and the folded plates can be welded on the column template 7 in order to ensure the connection strength;
when the main beam and the secondary beam are arranged, the construction is carried out in the sequence of the main beam and the secondary beam, the secondary beam template 1 extends into the main beam template by 110-30mm, a U-shaped opening matched with the secondary beam template 1 is formed in the main beam template 1, the secondary beam template 1 extends into the main beam template 1 from the U-shaped opening, and folded edges 8 which are turned outwards by 90 degrees are arranged in the left direction and the right direction and the lower direction of the extending end, the folded edges 8 can prevent the secondary beam template 1 from being separated from the main beam template 1, and the folded plates can be welded on the main beam template 1 in order to ensure the connection strength.
Before carrying out the hoist and mount of beam template 1, still include the concatenation of beam template 1, 2 sections are decomposed into to beam template 1 that length is greater than 6m, transport to hoist after the on-the-spot concatenation, 2 sections 1 link of beam template set up a 300mm wide connecting plate with the material, the connecting plate is established at 1 section tip that wherein is longer, and 2 sections linkage segments are connected at the connecting plate central point, adopt spot welding connected mode. And the lower part of the 2-section beam template 1 is protected by sleepers, the butt joint is completed by exerting force in opposite directions from two ends, and the 2-section beam template 1 is assembled by spot welding and fixing after seamless butt joint. In the assembling process, attention should be paid to the point of force, the beam template 1 and the prefabricated stirrups are all welded, only 4-5 reinforcing angle steels 6 support the overall rigidity of the beam template 1, and the beam template is not beneficial to bearing torque.
S3, arranging reinforcing components 3 on two sides of the beam template 1; assembling two symmetrical fixing plates 304 into a whole by using a screw 305, and tightening nuts 403 on bolt rods to finish the reinforcement of the beam template 1;
s4, arranging supporting components 4 at the bottoms of the reinforcing components 3, and generally arranging 3-4 groups of supporting components 4 below one group of reinforcing components 3; the top support 407 of the support component 4 is fixed on the bottom support batten 301 through nails; according to actual conditions, the supporting component 4 can be properly installed below the plate formwork 2;
s5, hoisting the template 2, and ensuring that the template bottom 201 is positioned below the leakage-proof gasket 5 and clings to the leakage-proof gasket 5 during hoisting to prevent slurry leakage during concrete pouring; the connection between the plate template 2 and the plate template 2 is connected by a buckle, one end of the plate 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 the beam and the plate steel bar; when the beam template 1 and the plate template 2 need to be reserved with holes and opened on site, reinforcing ribs need to be additionally arranged at corresponding opened positions;
and S7, pouring concrete. The method specifically comprises the following steps: cleaning up sundries, dust, grease and other substances which can hinder the combination of concrete on the template; laying a pump pipe, wherein the placement position of the pump pipe is selected from the position where the support component 4 is erected; selecting a mixing proportion with lower slump, pouring from the joint of the beam column at one end, and controlling the pouring elevation by scattering and smearing the concrete during the floor slab pouring; the vibration is standard in the pouring process, the contact between a vibrating rod and the beam and plate templates 2 is reduced, and the slurry leakage caused by the fracture of a welding point is prevented; in the pouring process, a specially-assigned person observes abnormal phenomena such as template deformation, slurry leakage and the like in a safe area of the next layer; the concrete is maintained by sprinkling water, so that defects 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 design strength, the supporting components 4 and the reinforcing members of the beam template 1 are removed in the order of plate first and beam second, but 10% of the supporting components 4 of the beam and the plate template 2 are reserved, the rest 10% of the supporting components 4 are removed until the concrete is cured for 28 days, and the removed reinforcing components 3 and the independent supporting systems are respectively arranged and stacked to a specified area for use next time.
S1 specifically comprises the following steps:
s11, according to design parameters, selecting a steel plate or a profiled steel sheet coiled material with the thickness of 1mm as a raw material, and welding a beam template 1 and a floor support plate template 2;
s12, welding the side die connecting sheets 103 and the bottom die connecting sheets 104, wherein the distance between two adjacent side die connecting sheets 103 and the distance between two adjacent bottom die connecting sheets 104 are 150-250m, and the width of each connecting sheet is 25-35 mm;
s13, welding U-shaped stirrups, wherein the distance between every two adjacent U-shaped stirrups is 500-600mm;
s14, welding 3-5 reinforcing angle steels 6 at two ends and the middle position of the upper parts of the two beam side templates 102;
s15, welding a leakage-proof gasket 5 on 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.
Every 100mm position spot welding of leak protection gasket 5 and the die block board of board die block board 201 is connected, guarantees interconnect firmly, improves whole steadiness.
When the reinforcing steel bars of the beam and the floor slab are bound, a plurality of U-shaped reverse stirrups are additionally arranged at the positions 105 of the U-shaped stirrups.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 through specific situations.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (10)
1. A permanent prefabricated combined template system is characterized by comprising a prefabricated beam template and prefabricated floor support 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;
the inner wall of the beam side template is provided with a plurality of side template connecting sheets which are connected with the front end surface and the rear end surface of the beam side template, and the side template connecting sheets are parallel to each other and are horizontally arranged;
a plurality of bottom die connecting sheets connected with the front end surface and the rear end surface of the beam bottom die plate are arranged on the inner wall of the beam bottom die plate, and the bottom die connecting sheets are parallel to each other and are horizontally arranged;
the beam template also comprises a plurality of U-shaped stirrups arranged between the side die connecting sheets and the bottom die connecting sheets, and the U-shaped stirrups are fixed on the side die connecting sheets and the bottom die connecting sheets;
the floor support 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 at two sides of the upper chord steel bar and web bars connecting the upper chord steel bar and the lower chord steel bar;
the prefabricated beam formwork support structure further comprises a plurality of reinforcing assemblies of the prefabricated beam formwork and support assemblies of the prefabricated beam formwork and the prefabricated floor bearing plate.
2. The permanent prefabricated modular formwork system of claim 1 wherein the beam bottom formwork, the beam side formwork and the slab bottom formwork are all steel plates or profiled steel plates.
3. The permanent prefabricated combined formwork system according to claim 1, wherein a plurality of reinforcing angle steels for connecting the two beam-side formworks are arranged at both ends of the upper parts of the two beam-side formworks and in the middle position.
4. The system of claim 1, wherein the joint between the uppermost outer edge of the beam-side formwork and the bottom formwork is provided with a leakage-proof gasket.
5. The permanent prefabricated combined template system according to claim 1, wherein the reinforcing component comprises bottom supporting battens, U-shaped bottom plates are symmetrically arranged on the bottom supporting battens in a sliding mode, vertical U-shaped plates are arranged at the edges of the opposite ends of the top plates of the two U-shaped bottom plates, the open ends of the vertical U-shaped plates are arranged oppositely, side supporting battens are arranged in grooves of the vertical U-shaped plates, fixed plates are arranged on two side plates of each U-shaped bottom plate, the two fixed plates on the same side of the two U-shaped bottom plates are connected through a screw rod, and the screw rod is sleeved on the fixed plates and the extending ends of the screw rod are provided with nuts.
6. The permanent prefabricated composite formwork system of claim 5, wherein; the support assembly 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 through threaded connection, a plurality of adjusting holes are arranged on the inner sleeve rod at intervals, and long 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;
a bottom plate is arranged below the outer loop bar, and a jacking support is arranged at the upper end of the inner loop bar.
7. The construction method of the permanent prefabricated combined formwork system according to claim 4 is characterized by comprising the following specific steps:
s1, prefabricating a beam template and a floor support plate template according to design requirements, and weaving identification cards of the beam template and the floor support plate template;
s2, hoisting the beam template, wherein the two ends of the beam template are respectively embedded into the column templates by 10-30mm during hoisting;
s3, arranging reinforcing components on two sides of the beam template;
s4, arranging supporting components at the bottoms of the reinforcing components, and generally arranging 3-4 groups of supporting components below one group of reinforcing components;
s5, hoisting the plate template, wherein a bottom template on the plate template is ensured to be positioned below the leakage-proof gasket and tightly attached to the leakage-proof gasket during hoisting;
s6, binding the beam and the plate steel bar;
s7, pouring concrete;
s8, removing the reinforcing component and the supporting component.
8. The construction method of the permanent prefabricated combined formwork system according to claim 7, wherein S1 is specifically:
s11, according to design parameters, selecting a steel plate or a profiled steel sheet coiled material with the thickness of 1mm as a raw material, and processing a beam template and a floor support plate template through welding;
s12, welding the side die connecting sheets and the bottom die connecting sheets, wherein the distance between two adjacent side die connecting sheets and the distance between two adjacent bottom die connecting sheets are 150-250m, and the width of each connecting sheet is 25-35 mm;
s13, welding U-shaped stirrups, wherein the distance between every two adjacent U-shaped stirrups is 500-600mm;
s14, welding 3-5 reinforcing angle steels at the two ends and the middle position of the upper parts of the two beam side templates;
s15, welding a leakage-proof gasket on the outer edge of the uppermost end of the beam side template, wherein the width of the leakage-proof gasket is 20-30mm.
9. The construction method of the permanent prefabricated combined formwork system according to claim 7, wherein the leakage-proof gasket is spot-welded to the bottom formwork of the slab formwork at every 100mm position.
10. The construction method of the permanent prefabricated combined formwork system according to claim 7, wherein when the beam and the floor slab steel bars are bound, a plurality of U-shaped reverse stirrups are additionally arranged at the U-shaped stirrups.
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