CN111827673B - ECC (error correction code) enhanced coal gangue concrete beam column joint template and application thereof - Google Patents
ECC (error correction code) enhanced coal gangue concrete beam column joint template and application thereof Download PDFInfo
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- CN111827673B CN111827673B CN202010701060.1A CN202010701060A CN111827673B CN 111827673 B CN111827673 B CN 111827673B CN 202010701060 A CN202010701060 A CN 202010701060A CN 111827673 B CN111827673 B CN 111827673B
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- 239000003245 coal Substances 0.000 title claims abstract description 46
- 238000012937 correction Methods 0.000 title abstract description 5
- 238000005192 partition Methods 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims description 25
- 238000009415 formwork Methods 0.000 claims description 19
- 230000002265 prevention Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
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- 239000006004 Quartz sand Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
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- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- 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
-
- 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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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention provides an ECC (error correction code) reinforced coal gangue concrete beam column joint template and application thereof, wherein the template comprises a beam bottom template, a column bottom template, two beam end templates, two column end templates, four L-shaped side templates, four partition plates and two overflow preventing plates; the beam bottom die, the parallel intersection of post bottom die is "ten" font, two beam-ends mould set up in the front of beam bottom die, back both ends, two post end mould set up the left and right both ends at the post bottom die, four "L" type limit moulds set up at two adjacent beam-ends moulds, between the post end mould, the both ends edge of limit mould respectively with the beam-ends mould, the vertical edge connection of post end mould, four baffles correspond the joint perpendicularly respectively and are being close to the beam bottom die, between the relative limit mould of post bottom die cross section, the both sides of the vertical direction of baffle are provided with two vertical joints respectively, it is provided with an anti-overflow board to cover respectively between the upper end of two baffles that are located the beam bottom die and the limit mould upper end. The template has simple structure and convenient assembly.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an ECC (error correction code) reinforced coal gangue concrete beam column joint template and application thereof.
Background
The coal gangue is the mining solid waste with the largest discharge amount in the coal production process, and the stacking of the coal gangue also brings about serious troubles of environmental pollution, land occupation and the like, so the development and utilization of the coal gangue are urgent. The method for preparing the concrete aggregate by using the coal gangue is a reasonable approach for using the coal gangue, is more sufficient and thorough compared with other recycling methods, and has very obvious economic benefit. However, the direct application of the coal gangue concrete to the frame structure leads to excessive shear deformation and too wide cracks in the node area, even the peeling of the concrete sheets, and under the action of reciprocating load, the ductility and the energy consumption capability of the beam-column node are lower than those of a common concrete frame, which are determined by the mechanical properties of the material with poor shear resistance and low elastic modulus of the coal gangue concrete. The former earthquake damage also shows that the beam-column joint is a weak part of the structure for earthquake resistance, and the joint area is easy to generate cross inclined cracks and shear damage and is not easy to repair. Therefore, the application of the gangue concrete in a frame structure is severely limited due to the defects of the mechanical property of the gangue concrete.
Therefore, the problem of environmental pollution caused by accumulation of solid waste coal gangue into mountains is solved, and the current crisis of concrete aggregate shortage in the construction industry is relieved; the application of the coal gangue concrete in a frame structure is limited due to the material characteristics of low shear strength and the like; in a reinforced concrete structure, the arrangement of steel bars at the node of a beam column is excessive, so that the concrete is not vibrated and the construction is inconvenient; the problems that the traditional concrete is easy to generate brittle fracture in a node area and the crack development is difficult to control are solved urgently.
The main component of the coal gangue is Al2O3、SiO2Etc., light weight, porous, dry volume weight generally less than 1900kg/m3. Research shows that the concrete prepared by using the coal gangue as the aggregate has the advantages of small self weight, high specific strength and capability of reducing earthquake inertia force, but the shearing resistance is poor, and particularly, the coal gangue aggregate made of sedimentary rock materials can cause the concrete to be easy to crack and has low elastic modulus.
ECC is a high-toughness disorderly-distributed short fiber reinforced cement-based composite material, and generally takes cement, quartz sand and mineral admixture as a matrix and PVA fiber as a reinforcing material. ECC is prepared without using coarse aggregate, the crack propagation of the ECC is different from the single crack propagation mode of common concrete, and the maximum width of the crack does not grow after being developed to 100 mu m, but develops in a mode of a plurality of fine cracks. Research shows that compared with common concrete, ECC not only has high compressive strength, but also has excellent tensile and bending resistance. However, the cost of the ECC material is high at present, and the ECC material is obviously unrealistic to use in the whole frame structure, so that the ECC is only used for beam-column joints, the seismic performance of the beam-column joints can be obviously improved, and the excellent anti-cracking and anti-bending performances of the beam-column joints can be fully exerted.
Based on the advantages and disadvantages of the coal gangue and the ECC material, the scheme that the ECC material with high toughness and stable cracking characteristics is adopted for pouring in beam column nodes and plastic hinge areas of a frame structure, and coal gangue concrete is used for pouring in other positions is provided.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the defects of the mechanical property of the existing gangue concrete, the ECC-reinforced gangue concrete beam-column joint template and the application thereof provided by the invention have the advantages that the template is simple in structure and convenient to assemble, and the ECC-reinforced gangue concrete poured by the template can fully exert the good deformability and high toughness of an ECC material, can make up the poor crack resistance of the gangue concrete and promote the application of the gangue concrete in the building engineering.
The invention adopts the following technical scheme: an ECC (error correction code) reinforced gangue concrete beam column joint template comprises a beam bottom template, a left and right direction column bottom template, two beam end templates, two column end templates, four L-shaped side templates, four partition plates and two anti-overflow plates, wherein the beam bottom template, the left and right direction column bottom templates, the two beam end templates, the two column end templates, the four L-shaped side templates, the four partition plates and the two anti-overflow plates are arranged in the front and back direction; the beam bottom die and the column bottom die are crossed in parallel in a cross shape, two beam end dies are arranged at the front end and the rear end of the beam bottom die relatively and vertically, two column end dies are arranged at the left end and the right end of the column bottom die relatively and vertically, four L-shaped side dies are respectively and vertically arranged between the two adjacent beam end dies and the column end dies, the edges of the two ends of the side dies are respectively connected with the vertical edges of the beam end dies and the column end dies, the L-shaped bottom ends of the side dies are correspondingly connected with the edges of the beam bottom die and the column bottom die which are also formed into an L shape, the four partition plates are respectively and vertically clamped between the opposite side dies close to the crossing part of the beam bottom die and the column bottom die correspondingly, two vertical seams are respectively arranged at the two sides of the partition plate in the vertical direction, an anti-overflow plate is respectively covered and arranged between the upper ends of the two partition plates on the beam bottom die and the upper ends of the side dies, and a baffle plate far away from one vertical edge of the corresponding partition plate is arranged, the left side and the right side of each baffle are provided with a side plate perpendicular to the edge of the anti-overflow plate, and the two baffles are respectively flush with the front edge and the rear edge of the column bottom die; the joints of the beam bottom die and the column bottom die, the beam bottom die and the beam end die, the column bottom die and the column end die, the beam bottom die and the side die, the column bottom die and the side die, and the anti-overflow plate and the side die are all fixed through bolts.
And supporting plates with equal height are vertically welded on the left edge and the right edge of the beam bottom die and the lower parts of the front edge and the rear edge of the column bottom die.
And a plurality of stiffening ribs a are vertically welded on the side surfaces of the beam-end mould and the column-end mould back to the intersection of the beam bottom mould and the column bottom mould.
And flanges a are vertically arranged on the upper and lower edges of the beam end mould and the column end mould towards one side of the stiffening rib a, and the flanges a positioned below are respectively fixed with the beam bottom mould and the column bottom mould through bolts.
And a plurality of stiffening ribs b are vertically welded on the side surface of the side mold back to the intersection of the beam bottom mold and the column bottom mold.
Flanges b are vertically arranged on the upper edge and the lower edge of each side mould towards one side of each stiffening rib b, and the flange b positioned below is fixed with the beam bottom mould and the column bottom mould through bolts; the flange b positioned at the right angle of the L-shaped side die is triangular.
The clapboard is in a flat plate shape, a triangular tooth shape, a sine arc shape or a cosine arc shape.
The upper end of the partition board is welded with a flat board perpendicular to the partition board, a handle is welded above the flat board, and two sides of the flat board are fixed with the flange b above the side formwork through bolts.
The ECC-reinforced coal gangue concrete beam column node template is applied to pouring of ECC-reinforced coal gangue concrete.
The pouring process comprises the following steps:
the first step is as follows: fixing and fixing the beam bottom die, the column bottom die, the two beam end dies, the two column end dies, the four L-shaped side dies and the four partition plates firmly by using bolts to form a pouring template;
the second step is that: while pouring ECC material into the middle of the node formed among the four partition plates, the four L-shaped side molds, the beam bottom mold and the column bottom mold, pouring gangue concrete into the beam and the column formed by the beam bottom mold and the side molds, the column bottom mold and the side molds, arranging magnetic vibrators around the side molds for vibrating, and pouring till the height of the plane of the beam;
the third step: when the height of the column template is greater than that of the beam template, the two anti-overflow plates and the side mold are firmly fixed by bolts, ECC materials are continuously poured in the nodes, and gangue concrete is poured in the columns to reach the plane height of the columns;
the fourth step: and (4) removing the partition plate, vibrating the slurry filling at the edge by using a magnetic vibrator, removing the mold after 48 hours, and moving to a curing room to finish the pouring process.
Compared with the prior art, the invention has the following beneficial effects:
the ECC-reinforced coal gangue concrete beam column joint template and the application thereof provided by the invention have the following beneficial effects:
1. the application of the coal gangue concrete in the frame structure is promoted, so that not only can the coal gangue piled up into a mountain be changed into valuable, but also the problem of aggregate shortage in the construction industry can be relieved, the comprehensive utilization of industrial solid wastes is promoted, and a certain effect on environmental protection is achieved;
2. by utilizing the good ductility and excellent shearing and bending resistance of the ECC material, the ECC material is used at the coal gangue concrete frame node, so that a 'strong node' can be manufactured, the ductility requirement of the node is met, the hoop ratio of a node area can be reduced, the problems of reinforcing bar congestion and uncompacted concrete vibration of common concrete in the node area are effectively solved, and the construction difficulty of the node area is reduced;
3. ECC materials are adopted in the beam-column joint plastic hinge area, and light coal gangue concrete is used in other places, so that the reasonable combination not only can give full play to the good deformability and high strength and toughness of the ECC materials, but also can make up the poor crack resistance of the coal gangue concrete, and promotes the application of the coal gangue concrete in the building engineering;
4. in the aspect of anti-seismic design, the volume weight of the coal gangue concrete is generally lower than 1900kg/m3The volume weight of the common concrete is generally 2400kg/m3On the left and right, it can be seen that the coal gangue concrete has an obvious light weight advantage, the earthquake inertia force can be obviously reduced when the coal gangue concrete is used in a large range, the ECC of the node and the plastic hinge area bears the peak value of the beam-column structure bending moment under the action of horizontal earthquake load, the residual deformation of the structure after the earthquake is small, and the advantages of the coal gangue concrete and the node against the earthquake can be simultaneously exerted by the design;
5. because the coal gangue is the mining solid waste with the largest discharge amount in the coal production process, and is one of six types of industrial solid waste in the catalog of national industrial solid waste resource comprehensive utilization products, and the stacking of the coal gangue also brings serious environmental pollution problems, the method for preventing and treating the environmental pollution caused by the solid waste of the people's republic of China cancels the arrangement of permanent gangue dump, and the patent just promotes the development and utilization of the coal gangue, so that the mass application of the coal gangue concrete in the frame structure can be supported and encouraged by national policies;
6. the invention also designs a template for pouring the beam-column joint by using two concrete materials, the template has sufficient strength, rigidity and stability, simple structure, convenient assembly, tight joint and no slurry leakage, and the type of the partition plate in the template is rich, thus meeting the requirements of different shear strengths at the interface;
7. the beam column joint construction process designed by the patent is convenient to operate, simple in process and high in construction speed.
Drawings
Fig. 1 is a schematic view of a beam-column joint formwork of the present invention, in which a reinforcement cage is added to the formwork.
Fig. 2 is a schematic view of a beam bottom mold and a column bottom mold.
Fig. 3 is a schematic view of an edge mold.
Fig. 4 is a schematic view of a beam end mode.
Fig. 5 is a schematic view of a separator.
Fig. 6 is a schematic view of the anti-overflow plate.
FIG. 7 is a schematic diagram of the ECC reinforced coal gangue concrete pouring process of the present invention, in which ECC material is arranged in the middle of the node, and coal gangue concrete is arranged in the beam and the column.
In the figure: 1. a beam bottom die; 2. a column bottom die; 3. a beam-end form; 4. a column end mold; 5. side forms; 6. a partition plate; 61. vertically sewing; 7. an overflow prevention plate; 71. a baffle plate; 72. a side plate; 8. a support plate; 9. a stiffening rib a; 10. a flange a; 11. a stiffening rib b; 12. a flat plate; 13. a handle; 14. and (b) a flange b.
Detailed Description
As shown in fig. 1 to 6, the present embodiment provides an ECC-reinforced coal gangue concrete beam-column joint formwork, which includes a beam bottom formwork 1, a left-right direction column bottom formwork 2, two beam end formworks 3, two column end formworks 4, four "L" -shaped side formworks 5, four partition plates 6, and two anti-overflow plates 7, which are arranged in the front-back direction; the beam bottom die 1 and the column bottom die 2 are crossed in parallel in a cross shape, two beam end dies 3 are relatively and vertically arranged at the front end and the rear end of the beam bottom die 1, two column end dies 4 are relatively and vertically arranged at the left end and the right end of the column bottom die 2, four L-shaped side dies 5 are respectively and vertically arranged between the two adjacent beam end dies 3 and the column end dies 4, the edges of the two ends of each side die 5 are respectively connected with the vertical edges of the beam end dies 3 and the column end dies 4, the L-shaped bottom ends of the side dies 5 are correspondingly connected with the edges of the beam bottom die 1 and the column bottom die 2 which are also in an L shape, four partition plates 6 are respectively and vertically clamped between the opposite side dies 5 which are close to the crossed part of the beam bottom die 1 and the column bottom die 2, two vertical seams 61 are respectively arranged at the two sides of the vertical direction of the partition plates 6, one flow preventing plate 7 is respectively covered between the upper ends of the two partition plates 6 on the beam bottom die 1 and the upper ends of the side dies 5, baffle plates 71 are vertically arranged on the edge of one side of the anti-overflow plate 7 away from the corresponding partition plate 6, side plates 72 are vertically arranged on the left side and the right side of each baffle plate 71 and on the edge of the anti-overflow plate 7, and the two baffle plates 71 are respectively flush with the front edge and the rear edge of the column bottom die 2; the beam bottom die 1 and the column bottom die 2, the beam bottom die 1 and the beam end die 3, the column bottom die 2 and the column end die 4, the beam bottom die 1 and the side die 5, the column bottom die 2 and the side die 5, and the overflow prevention plate 7 and the side die 5 are fixed through bolts.
Preferably, support plates 8 with equal height are vertically welded on the left edge and the right edge of the beam bottom die 1 and the lower parts of the front edge and the rear edge of the column bottom die 2. The beam bottom die 1 and the column bottom die 2 are supported off the ground conveniently, so that the beam bottom die 1 and the column bottom die 2 are connected with the side die 5 and the end die 4 through bolts.
The beam bottom die 1 can be divided into two blocks which are respectively connected with two sides in the middle of the column bottom die 2. Such an arrangement facilitates installation.
The lower ends of the beam bottom die 1 and the column bottom die 2 can also be provided with a plurality of stiffening ribs to increase the strength.
Preferably, a plurality of stiffening ribs a 9 are vertically welded on the side surfaces of the beam-end mold 3 and the column-end mold 4, which are back to the intersection of the beam bottom mold 1 and the column bottom mold 2. The provision of the stiffeners a 9 enhances the strength of the beam-end mold 3 and the column-end mold 4.
Preferably, flanges a 10 are vertically arranged on the upper and lower edges of the beam-end mold 3 and the column-end mold 4 towards one side of the stiffening rib a 9, and the flange a 10 located below is respectively fixed with the beam bottom mold 1 and the column bottom mold 2 through bolts. The flange a 10 is convenient to arrange and fix.
Preferably, a plurality of stiffening ribs b11 are vertically welded on the side of the side forms 5 opposite to the intersection of the beam bottom form 1 and the column bottom form 2. The provision of the stiffening ribs b11 enhances the strength of the side form 5.
Preferably, flanges b 14 are vertically arranged on the upper and lower edges of the side forms 5 on the sides facing the stiffening ribs b11, and the flange b 14 positioned below is fixed with the beam bottom form 1 and the column bottom form 2 through bolts; the flange b 14 at the right angle of the L-shaped side form 5 is triangular. The flange b 14 is convenient to fix, and the arrangement of the triangular flange b 14 enables the whole formwork to be more stable.
Preferably, the partition 6 is flat, triangular, sine-arc or cosine-arc. Therefore, the partition plate 6 with the proper shape is convenient to select according to the specific requirements of the interface shear resistance of the coal gangue concrete and the ECC material, so as to meet different requirements of the shear strength of the interface of the coal gangue concrete and the ECC material.
Preferably, the width of the vertical slit 61 on the partition plate 6 is slightly larger than the diameter of the longitudinal bar in the reinforcement cage, so that the partition plate can be conveniently inserted into and pulled out of the reinforcement cage.
Preferably, a flat plate 12 is welded to the upper end of the partition 6 perpendicular to the partition 6, a handle 13 is welded to the upper side of the flat plate 12, and both sides of the flat plate 12 are fixed to a flange b 14 above the side form 5 by bolts. The arrangement of the handle 13 facilitates the lifting of the partition board 6, and the arrangement of the flange b 14 facilitates the fixation.
As shown in fig. 7, the steps of pouring the ECC reinforced coal gangue concrete by using the beam-column node formwork are as follows:
the first step is as follows: fixing and fixing the beam bottom die 1, the column bottom die 2, the two beam end dies 3, the two column end dies 4, the four L-shaped side dies 5 and the four partition plates 6 by using bolts to form a pouring template;
the second step is that: while pouring ECC material into the middle of the node formed among the four partition plates 6, the four L-shaped side molds 5, the beam bottom mold 1 and the column bottom mold 2, pouring coal gangue concrete into the beam and the column formed by the beam bottom mold 1 and the side molds 5, and the column bottom mold 2 and the side molds 5, arranging magnetic vibrators around the side molds 5 for vibrating, and pouring till the height of the plane of the beam;
the third step: when the height of the column template is greater than that of the beam template, the two anti-overflow plates 7 and the side mold 5 are firmly fixed by bolts, ECC materials are continuously poured in the nodes, and coal gangue concrete is poured in the columns to reach the plane height of the columns;
the fourth step: and (4) dismantling the partition plate 6, vibrating with a magnetic vibrator while filling the slurry, removing the mold after 48 hours, and moving to a curing room to finish the pouring process.
According to the invention, the gangue concrete and the ECC material are ingeniously combined in the frame structure, so that the advantages of the two materials in the building structure are fully exerted, and the construction process, the working procedure and the construction are simple and convenient; meanwhile, the adopted template for pouring the beam-column joint is simple in structure and convenient to assemble.
While the embodiments of the present invention have been described in detail, those skilled in the art will recognize that the embodiments of the present invention can be practiced without departing from the spirit and scope of the claims.
Claims (9)
1. The utility model provides an ECC reinforcing coal gangue concrete beam column node template which characterized in that: the template comprises a beam bottom template (1) arranged in the front-back direction, a left-right direction column bottom template (2), two beam end templates (3), two column end templates (4), four L-shaped side templates (5), four partition plates (6) and two anti-overflow plates (7); the beam bottom die (1) and the column bottom die (2) are parallelly crossed in a cross shape, two beam end dies (3) are relatively and vertically arranged at the front end and the rear end of the beam bottom die (1), two column end dies (4) are relatively and vertically arranged at the left end and the right end of the column bottom die (2), four L-shaped side dies (5) are respectively and vertically arranged between the two adjacent beam end dies (3) and the column end dies (4), the edges of the two ends of each side die (5) are respectively and vertically connected with the vertical edges of the beam end dies (3) and the column end dies (4), the L-shaped bottom ends of the side dies (5) are respectively and vertically and correspondingly connected with the edges of the beam bottom die (1) and the column bottom die (2) which also form an L shape, four partition plates (6) are respectively and vertically and correspondingly clamped between the opposite side dies (5) close to the crossing position of the beam bottom die (1) and the column bottom die (2), and two vertical seams (61) are respectively arranged at the two sides of the partition plates (6) in the vertical direction, one anti-overflow plate (7) is respectively covered between the upper ends of two partition plates (6) positioned on the beam bottom die (1) and the upper ends of the side dies (5), a baffle plate (71) is vertically arranged on one side edge of the anti-overflow plate (7) far away from the corresponding partition plate (6), side plates (72) are vertically arranged on the left side and the right side of the baffle plate (71) and are perpendicular to the edge of the anti-overflow plate (7), and the two baffle plates (71) are respectively flush with the front edge and the rear edge of the column bottom die (2); the joints of the beam bottom die (1) and the column bottom die (2), the beam bottom die (1) and the beam end die (3), the column bottom die (2) and the column end die (4), the beam bottom die (1) and the side die (5), the column bottom die (2) and the side die (5), and the overflow prevention plate (7) and the side die (5) are fixed through bolts; the partition plates (6) are flat plates, triangular tooth shapes, sine arcs or cosine arcs, ECC materials are poured among nodes formed among the four partition plates (6), the four L-shaped side molds (5), the beam bottom mold (1) and the column bottom mold (2), and gangue concrete is poured in beams and columns formed by the beam bottom mold (1) and the side molds (5) and formed by the column bottom mold (2) and the side molds (5).
2. The ECC-reinforced gangue concrete beam column joint formwork of claim 1, which is characterized in that: and supporting plates (8) with equal height are vertically welded below the left edge and the right edge of the beam bottom die (1) and the front edge and the rear edge of the column bottom die (2).
3. The ECC-reinforced gangue concrete beam column joint formwork of claim 1, which is characterized in that: and a plurality of stiffening ribs a (9) are vertically welded on the side surface of the intersection of the beam end mould (3) and the column end mould (4) back to the beam bottom mould (1) and the column bottom mould (2).
4. The ECC-reinforced gangue concrete beam column joint formwork of claim 3, which is characterized in that: the upper edge and the lower edge of the beam end mould (3) and the column end mould (4) are both vertically provided with a flange a (10) towards one side of the stiffening rib a (9), and the flange a (10) positioned below is respectively fixed with the beam bottom mould (1) and the column bottom mould (2) through bolts.
5. The ECC-reinforced gangue concrete beam column joint formwork of claim 1, which is characterized in that: and a plurality of stiffening ribs b (11) are vertically welded on the side surface of the intersection of the side mold (5) back to the beam bottom mold (1) and the column bottom mold (2).
6. The ECC-reinforced gangue concrete beam column joint formwork of claim 5, wherein: flanges b (14) are vertically arranged on the upper edge and the lower edge of the side mold (5) towards one side of the stiffening rib b (11), and the flange b (14) positioned below is fixed with the beam bottom mold (1) and the column bottom mold (2) through bolts; the flange b (14) positioned at the right angle of the L-shaped side form (5) is triangular.
7. The ECC-reinforced gangue concrete beam column joint formwork of claim 1, which is characterized in that: the welding of the perpendicular baffle (6) in upper end of baffle (6) has dull and stereotyped (12), and the welding has handle (13) dull and stereotyped (12) top, and the both sides of dull and stereotyped (12) are fixed with flange b (14) above side forms (5) through the bolt.
8. The use of the ECC-reinforced gangue concrete beam-column joint formwork of claim 1 in the casting of ECC-reinforced gangue concrete.
9. The use of the ECC-reinforced gangue concrete beam-column joint formwork of claim 8 in the casting of ECC-reinforced gangue concrete, wherein the casting process comprises the following steps:
the first step is as follows: fixing and fixing the beam bottom die (1), the column bottom die (2), the two beam end dies (3), the two column end dies (4), the four L-shaped side dies (5) and the four partition plates (6) firmly by using bolts to form a pouring template;
the second step is that: while pouring ECC materials into the middle of joints formed among the four partition plates (6), the four L-shaped side molds (5), the beam bottom mold (1) and the column bottom mold (2), pouring gangue concrete into beams and columns formed by the beam bottom mold (1) and the side molds (5) and the column bottom mold (2) and the side molds (5), distributing magnetic vibrators around the side molds (5) for vibrating, and pouring until the height of the plane of the beam is reached;
the third step: when the height of the column template is greater than that of the beam template, the two anti-overflow plates (7) and the side forms (5) are firmly fixed by bolts, ECC materials are continuously poured in the nodes, and gangue concrete is poured in the columns to reach the plane height of the columns;
the fourth step: and (4) detaching the partition plate (6), vibrating the edge grout filling by using a magnetic vibrator, removing the mold after 48 hours, and moving to a curing room to finish pouring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701060.1A CN111827673B (en) | 2020-07-20 | 2020-07-20 | ECC (error correction code) enhanced coal gangue concrete beam column joint template and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010701060.1A CN111827673B (en) | 2020-07-20 | 2020-07-20 | ECC (error correction code) enhanced coal gangue concrete beam column joint template and application thereof |
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| CN111827673B true CN111827673B (en) | 2021-08-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204435542U (en) * | 2015-01-26 | 2015-07-01 | 济南轨道交通集团有限公司 | Integration bean column node formwork structure |
| CN106592759A (en) * | 2016-12-02 | 2017-04-26 | 上海理工大学 | Assembly type reinforced concrete frame beam column joint and preparation method |
| CN107842107A (en) * | 2017-11-29 | 2018-03-27 | 长安大学 | A kind of part uses the profile steel concrete column steel beam joint of fibre reinforced concrete |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2591994C1 (en) * | 2015-11-03 | 2016-07-20 | Евгений Викторович Автономов | Connection node for column and floor slab for beamless non-column cap building frame |
| CN108798055A (en) * | 2018-05-31 | 2018-11-13 | 昆明理工大学 | A kind of reinforcement means for the frame structure bean column node that ECC is combined with encased steel plate |
| CN210134666U (en) * | 2019-05-08 | 2020-03-10 | 福州大学 | Prefabricated prestressed beam column node structure reinforced by mixed fiber concrete |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204435542U (en) * | 2015-01-26 | 2015-07-01 | 济南轨道交通集团有限公司 | Integration bean column node formwork structure |
| CN106592759A (en) * | 2016-12-02 | 2017-04-26 | 上海理工大学 | Assembly type reinforced concrete frame beam column joint and preparation method |
| CN107842107A (en) * | 2017-11-29 | 2018-03-27 | 长安大学 | A kind of part uses the profile steel concrete column steel beam joint of fibre reinforced concrete |
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