CN109518950B - Support-free tool-based template system applied to assembled cast-in-place section and use method thereof - Google Patents
Support-free tool-based template system applied to assembled cast-in-place section and use method thereof Download PDFInfo
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- CN109518950B CN109518950B CN201811477319.8A CN201811477319A CN109518950B CN 109518950 B CN109518950 B CN 109518950B CN 201811477319 A CN201811477319 A CN 201811477319A CN 109518950 B CN109518950 B CN 109518950B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 85
- 239000010959 steel Substances 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 210000001503 joint Anatomy 0.000 claims abstract description 13
- 238000009415 formwork Methods 0.000 claims description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 25
- 239000000463 material Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000009467 reduction Effects 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
- E04G13/04—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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/18—Devices for suspending or anchoring form elements to girders placed in ceilings, e.g. hangers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
Aiming at the problems that the construction period is long, the labor and material investment are large and the construction space occupied by the support bent frame is overlarge due to the fact that the support bent frame needs to be erected below a cast-in-place section in the prior art, the invention discloses a support-free tool-based template system applied to an assembly type cast-in-place section and a using method thereof, wherein a lower hanging mechanism is arranged on two prefabricated nodes needing butt joint of a cast-in-place concrete beam section, the weight of two ends of a hanging I-shaped steel, a hoop, a template and the cast-in-place concrete beam section is borne by the I-shaped steel, and the I-shaped steel is transmitted to the two prefabricated nodes through the lower hanging mechanisms at the two ends, so that the support bent frame is not required to be erected below the cast-in-place section, the construction operation space and the time and workload for erecting and dismantling the support bent frame are effectively saved, the investment of manpower and material resources in the previous construction process is greatly reduced, and the requirement of green buildings is met.
Description
Technical Field
The invention relates to the technical field of prefabricated construction, in particular to a support-free tooled template system applied to a prefabricated cast-in-place section and a using method thereof.
Background
With the development of modern industrial technology, building houses can be manufactured in batches and sets like machine production. The prefabricated house components are transported to a construction site to be assembled. The construction is called a fabricated construction, which is constructed by using a factory-made prefabrication process for a part of the construction, and then pouring a part of the prefabricated part on site by using a specific connection mode or using concrete on site.
However, the prefabricated parts are connected in a construction site pouring mode, but the original construction modes such as a wood formwork bent frame in the site are adopted, and today under the social progress and development, the concept of green buildings cannot be met.
Disclosure of Invention
The invention aims to provide a support-free tooled template system applied to an assembled cast-in-place section and a using method thereof.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a be applied to cast-in-place section of assembled and do not have support instrument ization template system for pour between two prefabricated nodes and be used for connecting cast in-place concrete beam section of two prefabricated nodes, include an I-steel, be used for pouring cast in-place concrete beam section's template and be fixed in the clamp in the template outside, the both ends of I-steel lead to respectively hang down the mechanism hang in the below of two prefabricated nodes, the clamp set up in on the I-steel.
Preferably, in the above-mentioned unsupported modular system applied to the fabricated cast-in-place section, the lower hanging mechanism comprises a pair of U-shaped steel plates and a pair of bolt assemblies, the bolt assembly comprises a bolt and a movable nut, a pair of bolt holes for the corresponding bolt to pass through are formed at the butt joint end of the prefabricated node, the U-shaped steel plate comprises two side walls and a bottom wall, the bottom wall is connected with the lower ends of the two side walls to form a U-shaped groove for containing the I-shaped steel, the upper ends of the two side walls are respectively provided with a connecting part which extends horizontally outwards, the connecting part is provided with a through hole for the bolt to pass through, the upper end of the bolt is provided with a fixed nut, the lower end of the bolt is provided with an external thread matched with the internal thread of the movable nut, and the lower end of the bolt sequentially penetrates through the corresponding bolt hole of the prefabricated node and the corresponding connecting part of the U-shaped steel plate and then is locked by the movable nut.
Preferably, in the above mentioned support-free tool-based formwork system applied to the fabricated cast-in-place section, the lower hanging mechanism further includes a horizontal base plate, a pair of through holes for the bolts to pass through are formed in the horizontal base plate, and the lower ends of the bolts sequentially pass through the horizontal base plate, the reserved bolt holes of the prefabricated nodes and the corresponding connecting parts of the U-shaped steel plates and are locked by the movable nuts.
Preferably, in the above unsupported tooled formwork system applied to the fabricated cast-in-place section, the formwork is an aluminum formwork.
Preferably, in the above support-free tool-based formwork system applied to the fabricated cast-in-place section, the length of the cast-in-place concrete beam section is 1400-1600 mm.
Preferably, in the above unsupported modular formwork system applied to the fabricated cast-in-place section, the prefabricated node is a cross structure.
Preferably, in the above-mentioned support-free tooled template system applied to the fabricated cast-in-place section, the inner diameter of the bolt hole is 18mm, the bolt is a phi 16mm bolt, the thickness of the U-shaped steel plate is 10mm, the size of the horizontal spacer plate is 200 x 100 x 10mm, and the i-steel is No. 16 i-steel.
The invention also discloses a use method of the assembled cast-in-place section unsupported tool template system, which comprises the following steps:
step one, reserving a pair of bolt holes for bolts to pass through at the butt joint ends of two prefabricated nodes respectively;
step two, arranging a supporting bent frame below the two prefabricated nodes;
hanging two ends of the I-shaped steel below the two prefabricated nodes through a lower hanging mechanism by utilizing the bolt holes;
binding the steel bars of the cast-in-place concrete beam section, arranging a template of the cast-in-place concrete beam section, arranging a hoop on the outer side of the template, wherein the steel bars, the template and the hoop of the cast-in-place concrete beam section to be poured are all supported by the I-shaped steel;
and fifthly, pouring a cast-in-place section concrete section.
Preferably, in the above method of using the unsupported modular formwork system for prefabricated cast-in-place sections, the lower hanging mechanism comprises a pair of U-shaped steel plates and a pair of bolt assemblies, the bolt assemblies comprise bolts and movable nuts, the butt joint end of the prefabricated node is provided with a pair of bolt holes for corresponding bolts to pass through, the U-shaped steel plate comprises two side walls and a bottom wall, the bottom wall is connected with the lower ends of the two side walls to form a U-shaped groove for containing the I-shaped steel, the upper ends of the two side walls are respectively provided with a connecting part which extends horizontally outwards, the connecting part is provided with a through hole for the bolt to pass through, the upper end of the bolt is provided with a fixed nut, the lower end of the bolt is provided with an external thread matched with the internal thread of the movable nut, and the lower end of the bolt sequentially penetrates through the corresponding bolt hole of the prefabricated node and the corresponding connecting part of the U-shaped steel plate and then is locked by the movable nut.
Preferably, in the above method for using the assembled cast-in-place section unsupported modular slab system, the lower hanging mechanism further includes a horizontal backing plate, the horizontal backing plate is provided with a pair of through holes for the bolts to pass through, and the lower ends of the bolts sequentially pass through the horizontal backing plate, the reserved bolt holes of the prefabricated nodes and the corresponding connecting parts of the U-shaped steel plates and are then locked by the movable nuts.
According to the technical scheme disclosed above, compared with the prior art, the invention has the following beneficial effects:
according to the support-free tooled template system applied to the assembled cast-in-place section, the lower hanging mechanisms are arranged on the two prefabricated nodes needing butt joint of the cast-in-place concrete beam sections, the two ends of the hanging I-steel, the weight of the hoop, the template and the cast-in-place concrete beam sections is borne by the I-steel, and the I-steel is transmitted to the two prefabricated nodes through the lower hanging mechanisms at the two ends, so that the support-free tooled template system has the advantages of convenience in construction and high efficiency, is good in stability and high in bearing capacity, does not have a support bent frame at the lower parts of the I-steel, namely the support bent frame does not need to be arranged below the cast-in-place concrete beam sections, effectively saves construction operation space, time and workload for erecting and dismantling the support bent frame, greatly reduces investment of manpower and material resources in.
The use method applied to the assembled cast-in-place section support-free tooled template system provided by the invention is characterized in that a pair of bolt holes for bolts to pass through are reserved at the butt joint ends of two prefabricated nodes respectively; only arranging a support bent frame below the two prefabricated nodes; hanging two ends of the I-shaped steel below the two prefabricated nodes through a lower hanging mechanism by utilizing the bolt holes; the concrete beam section cast-in-place structure comprises a steel bar binding device, a formwork binding device, a clamp, a support bent frame and a support bent frame, wherein the steel bar binding device is used for binding the steel bar of the cast-in-place concrete beam section, the formwork binding device is used for arranging the formwork of the cast-in-place concrete beam section, the clamp is arranged on the outer side of the formwork, and the steel bar, the formwork and the clamp of the cast-in-place concrete beam section to be poured are all supported by the I-shaped steel, so that the support bent frame is not required to be arranged below the cast-in-place concrete beam section, the support-free tool-type formwork system.
Drawings
FIG. 1 is a schematic structural diagram of an unsupported tooling formwork system for an assembled cast-in-place section according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic perspective view of an unsupported tooling formwork system for an assembled cast-in-place section according to an embodiment of the present invention.
In the figure: 1-prefabricated node, 2-cast-in-place concrete beam section, 3-I-steel, 4-template, 5-hoop, 6-U-shaped steel plate, 61-side wall, 62-bottom wall, 63-connecting part, 7-bolt, 8-movable nut, 9-horizontal base plate and 10-support bent.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. The technical contents and features of the present invention will be described in detail below with reference to the embodiments illustrated in the accompanying drawings. It is further noted that the drawings are in greatly simplified form and are not to precise scale, merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
Referring to fig. 1 to 3, the embodiment provides a support-free tooled formwork system applied to an assembled cast-in-place section, which is used for pouring a cast-in-place concrete beam section 2 used for connecting two prefabricated nodes 1 between the two prefabricated nodes 1, and includes an i-steel 3, a formwork 4 used for pouring the cast-in-place concrete beam section 2, and a hoop 5 fixed on the outer side of the formwork 4, wherein two ends of the i-steel 3 are respectively suspended below the two prefabricated nodes 1 through a suspension mechanism, and the hoop 5 is arranged on the i-steel 3.
According to the support-free tooled template system applied to the assembled cast-in-place section, the lower hanging mechanisms are arranged on the two prefabricated nodes 1 which need to be butted with the cast-in-place concrete beam sections 2, the two ends of the hanging I-steel 3, the hoops 5, the templates 4 and the cast-in-place concrete beam sections 2 are supported by the I-steel 3, and the I-steel 3 is transmitted to the two prefabricated nodes 1 through the lower hanging mechanisms at the two ends, so that the advantages of convenience in construction and high efficiency are achieved, the stability is good, the bearing capacity is high, a support bent does not need to be arranged below the I-steel 3, namely below the cast-in-place concrete beam sections 2, and the construction operation space, the setting and dismantling time and workload of the support bent are effectively saved.
The engineering applied by the embodiment is an integrated structure of a sewage treatment facility of a full underground drainage basin, a PC prefabricated assembly type technology is adopted for underground sewage treatment for the first time, the use of a support bent frame is reduced for improving the requirements of prefabricated assembly type green buildings, and the traditional support bent frame is reformed and innovated to form a cast-in-place section unsupported tool template system, namely a template support system of the unsupported bent frame under a cast-in-place concrete beam section.
Preferably, in the above template system applied to the fabricated cast-in-place section without support tool, the lower hanging mechanism includes a pair of U-shaped steel plates 6 and a pair of bolt assemblies, each bolt assembly includes a bolt 7 and a movable nut 8, the butt end of the prefabricated node 1 is provided with a pair of bolt holes for the corresponding bolt 7 to pass through, each U-shaped steel plate 6 includes two side walls 61 and a bottom wall 62, the bottom wall 62 is connected to the lower ends of the two side walls 61 to form a U-shaped groove for accommodating the i-shaped steel 3, the upper ends of the two side walls 61 are respectively provided with a connecting portion 63 extending horizontally outward, the connecting portion 63 is provided with a through hole for the bolt 7 to pass through, the upper end of the bolt 7 is provided with a fixed nut, the lower end of the bolt 7 is provided with an external thread matched with the internal thread of the movable nut 8, and the lower end of the bolt 7 sequentially passes through the corresponding bolt hole of the prefabricated node 1 Via said movable nut 8. The lower hanging mechanism adopts a pair of U-shaped steel plates 6 and a pair of bolt assemblies, a pair of bolt holes for the corresponding bolts 7 to pass through are formed in the butt joint end of the prefabricated node 1, and the lower ends of the bolts 7 sequentially pass through the corresponding bolt holes of the prefabricated node 1 and the corresponding connecting parts 63 of the U-shaped steel plates 6 and then are locked by the movable nuts 8, so that the support-free tooled template system applied to the assembled cast-in-place section can be reused, the number of times of reuse is large, and the average use cost is low. The template 4 can be overturned for more than 300 times in standard construction. The purchase price of one set of templates 4 is greatly saved compared with the traditional templates 4.
Preferably, in the above-mentioned support-free tooled formwork system applied to the fabricated cast-in-place section, the lower hanging mechanism further includes a horizontal base plate 9, a pair of through holes for the bolts 7 to pass through are formed in the horizontal base plate 9, and the lower ends of the bolts 7 sequentially pass through the horizontal base plate 9, the reserved bolt holes of the prefabricated nodes 1 and the corresponding connecting portions 63 of the U-shaped steel plates 6 and are then locked by the movable nuts 8. Through setting up horizontal backing plate 9, can transmit the load from I-steel 3 for corresponding prefabricated node 1 through horizontal backing plate 9, enlarge prefabricated node 1's lifting surface, avoid stress concentration, protect prefabricated node 1 to improve whole security and the stability of being applied to cast-in-place section of assembled and not having support instrumentization template system.
Preferably, the form 4 is modified in the above-mentioned unsupported tooled form system applied to the fabricated cast-in-place section, wherein the form 4 is an aluminum form. The template 4 in the invention adopts an aluminum template, on one hand, the assembly is simpler and more convenient, the average weight is about 20kg, the template is completely carried and assembled by manpower without the assistance of any mechanical equipment, the system design is simple, and the hand-on speed of workers and the overturning speed of the template 4 are very high. Skilled installation workers can install the water in the water tank by 20-30 square meters each day, and labor cost is greatly saved. On the other hand, the aluminum template can improve the construction quality of the cast-in-place concrete beam section 2, and the effect of the fair-faced concrete can be achieved due to the fact that the apparent quality of the aluminum template is improved. On the other hand, the aluminum template is light in weight, is suitable for a lower hanging mechanism and I-steel supports, and ensures the safety and stability of the unsupported tool template system applied to the assembled cast-in-place section.
In this embodiment, in the above-mentioned support-free tooled formwork system applied to the fabricated cast-in-place section, the prefabricated node 1 is a cross structure. The length of the cast-in-place concrete beam section 2 is 1400-1600 mm. The inner diameter of the bolt hole is 18 mm. The bolt 7 is a phi 16mm bolt 7. The thickness of the U-shaped steel plate 6 is 10 mm. The horizontal pads 9 have a size of 200 x 100 x 10 mm. The I-steel 3 is a 16-size I-steel 3.
With continuing reference to fig. 1 to 3, the present invention further discloses a method for using the above-mentioned unsupported modular system for cast-in-place section, comprising the following steps:
step one, reserving a pair of bolt holes for bolts 7 to pass through respectively at the butt joint ends of two prefabricated nodes 1;
step two, arranging a supporting bent frame below the two prefabricated nodes 1;
hanging two ends of the I-shaped steel 3 below the two prefabricated nodes 1 through a lower hanging mechanism by using the bolt holes;
binding the steel bars of the cast-in-place concrete beam section 2, arranging a template 4 of the cast-in-place concrete beam section 2, arranging a hoop 5 on the outer side of the template 4, and supporting the steel bars, the template 4 and the hoop of the cast-in-place concrete beam section 2 to be poured by the I-shaped steel 3;
and fifthly, pouring a cast-in-place section concrete section.
The use method applied to the assembled cast-in-place section support-free tooled template system provided by the invention is characterized in that a pair of bolt holes for the bolts 7 to pass through are reserved at the butt joint ends of two prefabricated nodes 1 respectively; a support bent frame is arranged below the two prefabricated nodes 1; two ends of the I-shaped steel 3 are hung below the two prefabricated nodes 1 through a lower hanging mechanism by utilizing the bolt holes; the steel bars of the cast-in-place concrete beam section 2 are bound, the template 4 of the cast-in-place concrete beam section 2 is arranged, the clamp is arranged on the outer side of the template 4, the steel bars, the template 4 and the clamp of the cast-in-place concrete beam section 2 to be poured are supported by the I-shaped steel 3, so that a support bent frame does not need to be arranged below the cast-in-place concrete beam section 2, the support-free tool-type template 4 system of the cast-in-place concrete beam section 2 is supported, construction convenience is achieved, construction efficiency is high, stability is good, bearing capacity is high, and construction operation space below the cast-in-place concrete beam section 2 is effectively saved.
Preferably, in the above method for using the assembled cast-in-place section unsupported modular formwork system, the lower hanging mechanism includes a pair of U-shaped steel plates 6 and a pair of bolt assemblies, each bolt assembly includes a bolt 7 and a movable nut 8, the butt end of the prefabricated node 1 is provided with a pair of bolt holes for the corresponding bolt 7 to pass through, each U-shaped steel plate 6 includes two side walls 61 and a bottom wall 62, the bottom wall 62 is connected to the lower ends of the two side walls 61 to form a U-shaped groove for accommodating the i-shaped steel 3, the upper ends of the two side walls 61 are respectively provided with a connecting portion 63 extending horizontally outwards, the connecting portion 63 is provided with a through hole for the bolt 7 to pass through, the upper end of the bolt 7 is provided with a fixed nut, the lower end of the bolt 7 is provided with an external thread matched with the internal thread of the movable nut 8, and the lower end of the bolt 7 sequentially passes through the corresponding bolt hole of the prefabricated node 1 and the The connection 63 is then locked by means of said movable nut 8. The lower hanging mechanism adopts a pair of U-shaped steel plates 6 and a pair of bolt assemblies, a pair of bolt holes for the corresponding bolts 7 to pass through are formed in the butt joint end of the prefabricated node 1, and the lower ends of the bolts 7 sequentially pass through the corresponding bolt holes of the prefabricated node 1 and the corresponding connecting parts 63 of the U-shaped steel plates 6 and then are locked by the movable nuts 8, so that the support-free tooled template system applied to the assembled cast-in-place section can be reused, the number of times of reuse is large, and the average use cost is low. The template 4 can be overturned for more than 300 times in standard construction. The purchase price of one set of templates 4 is greatly saved compared with the traditional templates 4.
Preferably, in the above method for using the assembled cast-in-place section unsupported modular formwork system, the lower hanging mechanism further includes a horizontal backing plate 9, the horizontal backing plate 9 is provided with a pair of through holes for the bolts 7 to pass through, and the lower ends of the bolts 7 sequentially pass through the horizontal backing plate 9, the reserved bolt holes of the prefabricated nodes 1 and the corresponding connecting portions 63 of the U-shaped steel plates 6 and are locked by the movable nuts 8. Through setting up horizontal backing plate 9, can transmit the load from I-steel 3 for corresponding prefabricated node 1 through horizontal backing plate 9, enlarge prefabricated node 1's lifting surface, avoid stress concentration, protect prefabricated node 1 to improve whole security and the stability of being applied to cast-in-place section of assembled and not having support instrumentization template system.
Preferably, in the above support-free tooled formwork system applied to the fabricated cast-in-place section, the formwork 4 is an aluminum formwork 4, and the formwork 4 is disposed on the front side, the rear side and the bottom of the cast-in-place concrete beam section 2. The template 4 in the invention adopts an aluminum template, on one hand, the assembly is simpler and more convenient, the average weight is about 20kg, the template is completely carried and assembled by manpower without the assistance of any mechanical equipment, the system design is simple, and the hand-on speed of workers and the overturning speed of the template 4 are very high. Skilled installation workers can install the water in the water tank by 20-30 square meters each day, and labor cost is greatly saved. On the other hand, the aluminum template can improve the construction quality of the cast-in-place concrete beam section 2, and the effect of the fair-faced concrete can be achieved due to the fact that the apparent quality of the aluminum template is improved. On the other hand, the aluminum template is light in weight, is suitable for a lower hanging mechanism and I-steel supports, and ensures the safety and stability of the unsupported tool template system applied to the assembled cast-in-place section.
In conclusion, the beneficial effects of the invention are as follows:
1. the repeated use times are many, and the average use cost is low. The template can be used for more than 300 times in a standard construction mode. The purchase price of a set of templates is shared, so that the cost is greatly saved compared with that of the traditional templates;
2. construction is convenient and efficient. The template system is simple and convenient to assemble, the average weight is about 20kg, the template system is completely carried and assembled by manpower without the assistance of any mechanical equipment, the system design is simple, and the hand-on speed of workers and the template overturning speed are high. Skilled installation workers can install the water in the amount of 20-30 square meters per person every day, so that the labor cost is greatly saved;
3. the stability is good, the bearing capacity is high, the abutted seams are few, the precision is high, all materials are renewable materials, and the national regulations on energy conservation, environmental protection, low carbon and emission reduction of building projects are met.
4. The screw rod hanging I-shaped steel supporting template has high efficiency, good effect, no support at the lower part and large construction operation space.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (6)
1. A support-free instrumental template system applied to an assembled cast-in-place section is characterized in that a cast-in-place concrete beam section for connecting two prefabricated nodes is poured between the two prefabricated nodes and comprises an I-shaped steel, a template for pouring the cast-in-place concrete beam section and a hoop fixed on the outer side of the template, two ends of the I-shaped steel are respectively connected with a lower hanging mechanism and hung below the two prefabricated nodes, the hoop is arranged on the I-shaped steel, the outer sides of the butt joint ends of the prefabricated nodes are respectively sleeved with the hoop, the lower hanging mechanism comprises a pair of U-shaped steel plates and a pair of bolt assemblies, each bolt assembly comprises a bolt and a movable nut, the butt joint ends of the prefabricated nodes are provided with a pair of bolt holes for the corresponding bolts to pass through, each U-shaped steel plate comprises two side walls and a bottom wall, and the bottom walls are connected to the lower ends of, a U-shaped groove for accommodating the I-shaped steel is formed, the upper ends of the two side walls are respectively provided with a connecting part which extends horizontally outwards, the connecting part is provided with a through hole for the bolt to pass through, the upper end of the bolt is provided with a fixing nut, the lower end of the bolt is provided with an external thread matched with the internal thread of the movable nut, the lower end of the bolt sequentially passes through the corresponding bolt hole of the prefabricated node and the corresponding connecting part of the U-shaped steel plate and then is locked by the movable nut, the lower hanging mechanism also comprises a horizontal base plate, a pair of through holes for the bolts to pass through are arranged on the horizontal base plate, the lower end of the bolt sequentially penetrates through the horizontal base plate, the reserved bolt hole of the prefabricated node and the corresponding connecting portion of the U-shaped steel plate and then is locked by the movable nut, and the horizontal base plate is arranged on the upper side of the hoop.
2. The unsupported instrumented formwork system applied to an assembled cast-in-place section of claim 1, wherein the formwork is an aluminum formwork.
3. The unsupported modular system for an assembled cast-in-place section according to claim 1, wherein the length of the cast-in-place concrete beam section is 1400-1600 mm.
4. The unsupported modular system for an assembled cast-in-place section according to claim 1 wherein the prefabricated nodes are cross structures.
5. The system of claim 1, wherein the bolt holes have an inner diameter of 18mm, the bolts are phi 16mm bolts, the thickness of the U-shaped steel plate is 10mm, the size of the horizontal spacer plate is 200 x 100 x 10mm, and the I-shaped steel is 16I-shaped steel.
6. The use method of the assembled cast-in-place section unsupported modular panel system according to claim 1, comprising the steps of:
step one, reserving a pair of bolt holes for bolts to pass through at the butt joint ends of two prefabricated nodes respectively;
step two, arranging a supporting bent frame below the two prefabricated nodes;
hanging two ends of the I-shaped steel below the two prefabricated nodes through a lower hanging mechanism by utilizing the bolt holes;
binding the steel bars of the cast-in-place concrete beam section, arranging a template of the cast-in-place concrete beam section, arranging a hoop on the outer side of the template, wherein the steel bars, the template and the hoop of the cast-in-place concrete beam section to be poured are all supported by the I-shaped steel;
and fifthly, pouring a cast-in-place section concrete section.
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| CN201811477319.8A CN109518950B (en) | 2018-12-05 | 2018-12-05 | Support-free tool-based template system applied to assembled cast-in-place section and use method thereof |
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| CN201811477319.8A CN109518950B (en) | 2018-12-05 | 2018-12-05 | Support-free tool-based template system applied to assembled cast-in-place section and use method thereof |
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| CN109518950B true CN109518950B (en) | 2021-04-13 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| AU2018200667A1 (en) * | 2018-01-29 | 2019-08-15 | Inquik Ip Holdings Pty Ltd | Formwork Brace |
| AU2019322781A1 (en) * | 2018-08-17 | 2021-03-11 | Krzysztof Smela | Multicompartment system of nanocapsule-in-nanocapsule type, for encapsulation of a lipophilic and hydrophilic compound, and the related production method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100897501B1 (en) * | 2008-12-22 | 2009-05-15 | 문경철 | Form fixing apparatus |
| CN201627362U (en) * | 2010-01-25 | 2010-11-10 | 郑蓉军 | Suspended formwork support device for construction of steel structured concrete slabs |
| CN203394027U (en) * | 2013-01-05 | 2014-01-15 | 贺育安 | Semi-assembled construction system for frame-shear wall tube structure |
| CN203755677U (en) * | 2014-01-26 | 2014-08-06 | 中铁建工集团有限公司 | Lower suspension hoisting type hoisting device for reinforced concrete floor construction |
| CN104947719B (en) * | 2015-05-20 | 2016-10-05 | 宁波建工股份有限公司 | The rear pouring tape construction method of formwork erecting structure is hung in basement roof post-cast strip |
| CN206530050U (en) * | 2017-02-27 | 2017-09-29 | 中建八局第三建设有限公司 | A kind of super large reserved opening hanging mould structure |
| CN209760799U (en) * | 2018-12-05 | 2019-12-10 | 上海建工二建集团有限公司 | Be applied to cast-in-place section of assembled and do not have support instrument template system |
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