CN114809606B - Method for installing adjustable assembly type prefabricated primary and secondary beam support-free mold sealing device - Google Patents
Method for installing adjustable assembly type prefabricated primary and secondary beam support-free mold sealing device Download PDFInfo
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- CN114809606B CN114809606B CN202210667563.0A CN202210667563A CN114809606B CN 114809606 B CN114809606 B CN 114809606B CN 202210667563 A CN202210667563 A CN 202210667563A CN 114809606 B CN114809606 B CN 114809606B
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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
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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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- 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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Abstract
The invention discloses an installation method of an adjustable assembly type prefabricated primary and secondary beam support-free mold sealing device, and belongs to the field of prefabricated components of building engineering. The installation method comprises the following steps: s1, primarily fixing a left die sealing plate (1) and a right die sealing plate (2); s2, hoisting a prefabricated main beam (13); s3, hoisting the prefabricated secondary beam (14); s4, finally fixing the left die sealing plate (1) and the right die sealing plate (2); and S5, sealing the die of the bottom adjusting piece (3). By the installation method, the prefabricated secondary beam is sealed and supported by the complete unsupported mold sealing device formed by the left sealing template, the right sealing template and the bottom adjusting piece without adding an additional supporting structure, and the installation method has the characteristics of adjustability, convenience and simplicity in installation and disassembly and recyclability.
Description
Technical Field
The invention relates to an installation method of an adjustable assembly type prefabricated primary and secondary beam support-free mold sealing device.
Background
Along with the building industrialization, the development of industrialization, the assembly type building is increasing day by day, prefabricated primary and secondary beam node is as common node in the assembly type building, often need a large amount of bearing structure and plank sheathing to seal the mould and support the node at the job site, it is narrow and small to use a large amount of bearing structure can make lower floor's space, constructor can't freely walk, when plank sheathing carries out the mould sealing to prefabricated primary and secondary beam node of node, it is inseparable to appear the mould sealing easily, cause quality problems such as slurry leakage and leakage, a large amount of bearing structure and plank sheathing simultaneously, no matter be the work load of installation demolition or reuse ratio all be unsatisfactory, can't satisfy assembly type building green, sustainable development's theory.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an installation method of an adjustable assembly type prefabricated primary and secondary beam support-free mold sealing device.
To achieve the above object, the installation method of the present invention is as follows:
the method comprises the following steps:
s1, preliminarily fixing a left sealing template and a right sealing template: inserting a high-strength connecting bolt into a screw hole of an adjusting bolt gasket, penetrating the high-strength connecting bolt through oval connecting holes in adjustable prefabricated main beam connecting grooves distributed on a left sealing template and a right sealing template, screwing the high-strength connecting bolt into a prefabricated main beam reserved sleeve in a prefabricated main beam, preliminarily clamping the adjustable bolt gasket and the adjustable prefabricated main beam connecting grooves through the sawtooth-shaped ripples of the adjustable bolt gasket and the sawtooth-shaped ripples of the adjustable prefabricated main beam connecting grooves, and preliminarily fixing the left sealing template and the right sealing template with a bottom adjusting part on the prefabricated main beam;
s2, hoisting of the prefabricated girder: hoisting the prefabricated main beam fixed with the left sealing template and the right sealing template with the bottom adjusting piece to a preset position;
s3, hoisting the prefabricated secondary beam: hoisting the prefabricated secondary beam right above a preset position, adjusting the horizontal positions of the left sealing template and the right sealing template, and accurately placing the prefabricated secondary beam on a left transverse sealing template of the left sealing template, a right transverse sealing template of the right sealing template and a bottom adjusting piece fixed at the outer end of the right transverse sealing template after the prefabricated secondary beam is hoisted to the preset position, wherein the left transverse sealing template, the right transverse sealing template and the bottom adjusting piece form the bottom of a concave structure;
s4, final fixing of the left sealing template and the right sealing template: adjusting the horizontal positions of the left sealing template and the right sealing template again to enable the left vertical sealing template and the right vertical sealing template to clamp two sides of the prefabricated secondary beam, screwing up the high-strength connecting bolt, and completely clamping the adjustable bolt gasket and the adjustable prefabricated main beam connecting groove through the sawtooth-shaped corrugation of the adjustable bolt gasket and the sawtooth-shaped corrugation of the adjustable prefabricated main beam connecting groove to enable the left sealing template and the right sealing template with the bottom adjusting part to be completely fixed on the prefabricated main beam;
s5, sealing the mold of the bottom adjusting piece: a sealing rubber strip is arranged at a gap between a left transverse sealing template of the left sealing template and a fixing plate of the bottom adjusting piece, which is fixed at the end part of the right transverse sealing template, a rotary adjuster in the bottom adjusting piece is rotated, and a movable plate which is rotatably connected to one end, close to the left sealing template, of the rotary adjuster is tightly connected with the left transverse sealing template of the left sealing template.
In S1, when the position of the prefabricated main beam reserved sleeve in the prefabricated main beam is not correct, the position of the high-strength connecting bolt in the oval connecting hole can be adjusted, so that the high-strength connecting bolt is aligned and screwed in.
And S3, the distance between the left vertical sealing template and the right vertical sealing template is slightly larger than the horizontal size of the prefabricated secondary beam, so that the prefabricated secondary beam is convenient to hoist.
And S4, when the left vertical sealing template and the right vertical sealing template do not clamp the prefabricated secondary beam, adjusting the horizontal positions of the left sealing template and the right sealing template under the condition that the adjustable bolt gasket and the high-strength connecting bolt do not need to be moved, and screwing the high-strength connecting bolt to clamp the prefabricated secondary beam.
According to the invention, the prefabricated main beam reserved sleeve, the high-strength connecting bolt, the adjustable bolt gasket and the adjustable prefabricated main beam connecting groove are utilized to fix the left sealing template and the right sealing template on the prefabricated main beam, and the left sealing template, the right sealing template and the bottom adjusting part form a complete unsupported sealing device, so that an additional supporting structure is not required to be added, the device can be adjusted adaptively according to the actual construction condition, is convenient and simple to install and dismantle, and can be recycled; meanwhile, due to the arrangement of the sealing rubber strips, the sealing performance between the mold sealing device and the prefabricated main beam and between the mold sealing device and the prefabricated secondary beam is guaranteed, slurry leakage and slurry overflow are prevented, and the high practical value and the high economic value are achieved.
Drawings
Fig. 1 is a schematic diagram of the construction of a left sealing template and a right sealing template used in the present invention.
Fig. 2 is an exploded view of the bottom adjustment member.
Fig. 3 is a front view of the bottom adjustment member.
FIG. 4 is a schematic view of the sawtooth corrugation of the adjustable bolt washer.
Fig. 5 is a schematic diagram of the matching use of the adjustable bolt washer and the adjustable prefabricated main beam connecting groove.
Fig. 6 is a schematic view of the present invention after installation.
Fig. 7 is an exploded view of fig. 6.
Fig. 8 is a diagram of the steps of the installation method of the present invention.
The attached drawings are as follows: 1. a left sealing template; 2. a right sealing template; 3. a bottom adjustment member; 41. a left vertical support plate; 42. a right vertical support plate; 51. a left vertical sealing template; 52. a right vertical sealing template; 61. a left transverse sealing template; 62. a right transverse sealing template; 71. a left top stiffener; 72. a right top stiffener; 8. a fixing plate; 9. moving the plate; 10. a stopper; 11. a rotation adjuster; 12. a screw; 13. prefabricating a main beam; 14. prefabricating a secondary beam; 15. prefabricating a main beam reserved sleeve; 16. adjustable prefabricated main beam connecting grooves; 17. an elliptical connecting hole; 18. an adjustable bolt washer; 19. a screw hole; 20. a high-strength connecting bolt; 21. and sealing rubber strips.
Detailed description of the preferred embodiments
The mounting method of the present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 to 5 show the structures of a left seal form and a right seal form, fig. 6 shows a structural view after installation, and fig. 7 shows an exploded view of fig. 6. The left mold sealing plate 1 comprises a left vertical supporting plate 41, a left vertical mold sealing plate 51, a left transverse mold sealing plate 61 and a left top stiffening plate 71, and the right mold sealing plate 1 comprises a right vertical supporting plate 42, a right vertical mold sealing plate 52, a right transverse mold sealing plate 62 and a right top stiffening plate 72; the left vertical supporting plate 41 is vertically erected on the front side, the left vertical sealing template 51 is vertically erected at the right end of the left vertical supporting plate 41 and is vertically connected and fixed with the right vertical supporting plate, the right outer side of the bottom of the left vertical sealing template 51 is vertically connected with a horizontally arranged left transverse sealing template 61 to form an L-shaped structure, the top surfaces of the left vertical supporting plate 41 and the left vertical sealing template 51 are connected and fixed with a horizontally arranged left top stiffening plate 71, 4 adjustable prefabricated main beam connecting grooves 16 are uniformly distributed on the left vertical supporting plate 41, connecting holes 17 are formed in the adjustable prefabricated main beam connecting grooves 16, the left sealing template 1 and the right sealing template 2 are symmetrically arranged, only the right vertical sealing template 52 is arranged at the left end of the right vertical supporting plate 42, and the right transverse sealing template 62 is arranged at the left outer side of the right vertical sealing template 52; the bottom adjusting piece 3 is fixed at the left end of the right transverse sealing template 62 of the right sealing template 2. The bottom adjusting part 3 comprises a fixed plate 8, a movable plate 9, stoppers 10, a rotary adjuster 11 and a screw 12, the top of the fixed plate 8 which is of an inverted L-shaped structure is staggered to cover the top of the movable plate 9 to form a square space, and a staggered notch at the top edge of the square space formed by the movable plate 9 and the fixed plate 8 is also a notch, namely, the notch between the left transverse sealing template 61 of the left sealing template 1 and the fixed plate 8 is sealed by a sealing rubber strip 21, 2 screws 12 are horizontally fixed on the inner wall of the fixed plate 8, the screws 12 are provided with threads with certain length, the screws 12 are in threaded connection with the right end of the rotary adjuster 11, two stoppers 10 are arranged at positions corresponding to the 2 screws 12 on the right side of the movable plate 9, a space slightly larger than the stoppers 10 is arranged in the left end of the rotary adjuster 11, and the horizontally arranged stoppers 10 are embedded in the left end of the rotary adjuster.
The bottom adjusting part 3 is fixedly connected with the left end of a right transverse sealing template 62 of the right sealing template 2, and the bottom adjusting part 3 tightly contacts the moving plate 9 with a left transverse sealing template 61 of the left sealing template 1 by rotating the rotary adjuster 11; the left die sealing plate 1, the right die sealing plate 2 and the bottom adjusting piece 3 form a concave structure to seal and support the prefabricated secondary beam 14.
The adjustable prefabricated girder connecting groove 16 is provided with sawtooth-shaped ripples, the middle part of the adjustable prefabricated girder connecting groove 16 is provided with an oval-shaped connecting hole 17, the oval-shaped connecting hole 17 is used for being connected with a connecting device, the connecting device comprises a high-strength connecting bolt 20 and an adjustable bolt gasket 18 with a screw hole 19, the adjustable bolt gasket 18 is provided with the sawtooth-shaped ripples matched with the adjustable prefabricated girder connecting groove 16, the area of the adjustable prefabricated girder connecting groove 16 is slightly larger than that of the adjustable bolt gasket 18, the high-strength connecting bolt 20 is inserted into the screw hole 19 of the adjustable bolt gasket 18 and penetrates through the oval-shaped connecting hole 17 in the adjustable prefabricated girder connecting groove 16 to be screwed into the prefabricated girder reserved sleeve 15 in the prefabricated girder 13, the adjustable bolt gasket 18 is tightly clamped with the adjustable prefabricated girder connecting groove 16, and the left sealing template 1 and the right sealing template 2 with the bottom adjusting part 3 are fixed on the prefabricated girder 13.
The left die sealing plate 1 and the right die sealing plate 2 are arranged in a mirror image mode, and the vertical supporting plates 41 and 42, the vertical die sealing plates 51 and 52, the transverse die sealing plates 61 and 62 and the top stiffening plates 71 and 72 contained in the left die sealing plate 1 and the right die sealing plate 2 are consistent in shape and size. Preferably, the left sealing template 1 and the right sealing template 2 are aluminum templates which are light in weight, high in strength, easy to see in a conventional way, convenient to process and install and recyclable.
The foregoing is the structure of the left template 1 and the right template 2, and fig. 8 shows their installation method, which includes the following steps:
s1, primarily fixing a left sealing template 1 and a right sealing template 2: inserting a high-strength connecting bolt 20 into a screw hole 19 of an adjusting bolt gasket 18, penetrating the high-strength connecting bolt through oval connecting holes 17 in adjustable prefabricated girder connecting grooves 16 distributed on a left formwork sealing plate 1 and a right formwork sealing plate 2, screwing the high-strength connecting bolt into a prefabricated girder reserved sleeve 15 in a prefabricated girder 13, preliminarily clamping the adjustable bolt gasket 18 and the adjustable prefabricated girder connecting grooves 16 through the sawtooth-shaped ripples of the adjustable bolt gasket 18 and the sawtooth-shaped ripples of the adjustable prefabricated girder connecting grooves 16, and preliminarily fixing the left formwork sealing plate 1 and the right formwork sealing plate 2 with a bottom adjusting part 3 on the prefabricated girder 13;
s2, hoisting the prefabricated girder 13: hoisting a prefabricated main beam 13 fixed with a left sealing template 1 and a right sealing template 2 with a bottom adjusting piece 3 to a preset position;
s3, hoisting the prefabricated secondary beam 14: hoisting the prefabricated secondary beam 14 right above a preset position, adjusting the horizontal positions of the left template sealing 1 and the right template sealing 2, and accurately placing the prefabricated secondary beam 14 on the left transverse template sealing 61 of the left template sealing 1, the right transverse template sealing 62 of the right template sealing 2 and the bottom adjusting part 3 fixed at the outer end of the right transverse template sealing 62 after being hoisted to the preset position, wherein the left transverse template sealing 61, the right transverse template sealing 62 and the bottom adjusting part 3 form the bottom of a concave structure;
s4, final fixing of the left sealing template 1 and the right sealing template 2: adjusting the horizontal positions of the left sealing template 1 and the right sealing template 2 again to enable the left vertical sealing template 51 and the right vertical sealing template 52 to clamp two sides of the prefabricated secondary beam 14, screwing the high-strength connecting bolt 20, and completely clamping the adjustable bolt gasket 18 and the adjustable prefabricated main beam connecting groove 16 through the sawtooth-shaped corrugation of the adjustable bolt gasket 18 and the sawtooth-shaped corrugation of the adjustable prefabricated main beam connecting groove 16 to enable the left sealing template 1 and the right sealing template 2 with the bottom adjusting part 3 to be completely fixed on the prefabricated main beam 13;
s5, sealing the mold of the bottom adjusting piece 3: a sealing rubber strip 21 is arranged at a gap between a left transverse die sealing plate 61 of the left die sealing plate 1 and a fixed plate 8 fixed at the end part of a right transverse die sealing plate 62 by a bottom adjusting part 3, a rotary adjuster 11 in the bottom adjusting part 3 is rotated, and a movable plate 9 which is rotatably connected to one end, close to the left die sealing plate 1, of the rotary adjuster 11 is tightly connected with the left transverse die sealing plate 61 of the left die sealing plate 1.
In S1, when the position of the prefabricated girder preformed sleeve 15 in the prefabricated girder 13 is not correct, the position of the high-strength connecting bolt 20 in the oval connecting hole 17 is adjusted to be aligned and screwed.
In the step S3, the distance between the left vertical sealing template 51 and the right vertical sealing template 52 is slightly larger than the horizontal size of the prefabricated secondary beam 14, so that the prefabricated secondary beam 14 can be conveniently hoisted.
In S4, when the left vertical sealing template 51 and the right vertical sealing template 52 do not clamp the prefabricated secondary beam 14, the horizontal positions of the left sealing template 1 and the right sealing template 2 are adjusted under the condition that the adjustable bolt gasket 18 and the high-strength connecting bolt 20 do not need to be moved, and the high-strength connecting bolt 20 is screwed down to clamp the prefabricated secondary beam 14.
Although the present invention has been described with reference to the preferred embodiments, the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or modifications within the technical spirit of the present invention without departing from the technical scope of the present invention.
Claims (4)
1. The mounting method of the adjustable assembly type prefabricated primary and secondary beam support-free mold sealing device is characterized in that: the method comprises the following steps:
s1, preliminarily fixing a left die sealing plate (1) and a right die sealing plate (2): inserting a high-strength connecting bolt (20) into a screw hole (19) of an adjusting bolt gasket (18), penetrating an oval connecting hole (17) in an adjustable prefabricated girder connecting groove (16) distributed on a left formwork sealing plate (1) and a right formwork sealing plate (2) and screwing the oval connecting hole into a prefabricated girder reserved sleeve (15) in a prefabricated girder (13), and preliminarily clamping the adjustable bolt gasket (18) and the adjustable prefabricated girder connecting groove (16) through the sawtooth-shaped ripples of the adjustable bolt gasket (18) and the sawtooth-shaped ripples of the adjustable prefabricated girder connecting groove (16) to preliminarily fix the left formwork sealing plate (1) and the right formwork sealing plate (2) with a bottom adjusting part (3) on the prefabricated girder (13);
s2, hoisting the prefabricated main beam (13): hoisting a prefabricated main beam (13) fixed with a left die sealing plate (1) and a right die sealing plate (2) with a bottom adjusting piece (3) to a preset position;
s3, hoisting the prefabricated secondary beam (14): hoisting the prefabricated secondary beam (14) to the position right above a preset position, adjusting the horizontal positions of the left die sealing plate (1) and the right die sealing plate (2), enabling the prefabricated secondary beam (14) to be accurately placed on a left transverse die sealing plate (61) of the left die sealing plate (1), a right transverse die sealing plate (62) of the right die sealing plate (2) and a bottom adjusting piece (3) fixed at the outer end of the right transverse die sealing plate (62) after being hoisted to the preset position, and enabling the left transverse die sealing plate (61), the right transverse die sealing plate (62) and the bottom adjusting piece (3) to form the bottom of a concave structure;
s4, final fixation of the left die sealing plate (1) and the right die sealing plate (2): adjusting the horizontal positions of the left die sealing plate (1) and the right die sealing plate (2) again, enabling the left vertical die sealing plate (51) and the right vertical die sealing plate (52) to clamp the two sides of the precast secondary beam (14), screwing a high-strength connecting bolt (20), completely clamping the adjustable bolt gasket (18) and the adjustable precast main beam connecting groove (16) through the sawtooth-shaped corrugation of the adjustable bolt gasket (18) and the sawtooth-shaped corrugation of the adjustable precast main beam connecting groove (16), and enabling the left die sealing plate (1) and the right die sealing plate (2) with the bottom adjusting part (3) to be completely fixed on the precast main beam (13);
s5, sealing the die of the bottom adjusting piece (3): the gap between the left transverse sealing template (61) of the left sealing template (1) and the fixing plate (8) fixed at the end part of the right transverse sealing template (62) is fixed with the bottom adjusting part (3) to form a sealing rubber strip (21), the rotating adjuster (11) in the bottom adjusting part (3) is rotated, and the rotating adjuster (11) is connected to the moving plate (9) close to one end of the left sealing template (1) and the left transverse sealing template (61) of the left sealing template (1) in a rotating mode.
2. The method for installing the unsupported mold sealing device of the adjustable assembled prefabricated primary and secondary beams according to claim 1, is characterized in that: in the S1, when the position of a prefabricated main beam reserved sleeve (15) in a prefabricated main beam (13) is not correct, the position of a high-strength connecting bolt (20) in an oval connecting hole (17) is adjusted to be aligned and screwed.
3. The method for installing the adjustable assembly type prefabricated primary and secondary beam support-free mold sealing device according to claim 1 or 2, wherein the method comprises the following steps: in S3, the distance between the left vertical sealing template (51) and the right vertical sealing template (52) is larger than the horizontal size of the prefabricated secondary beam (14), so that the prefabricated secondary beam (14) can be conveniently hoisted.
4. The method for installing the adjustable assembly type prefabricated primary and secondary beam support-free mold sealing device according to claim 1 or 2, wherein the method comprises the following steps: in S4, when the left vertical sealing template (51) and the right vertical sealing template (52) do not clamp the prefabricated secondary beam (14), the horizontal positions of the left sealing template (1) and the right sealing template (2) are adjusted under the condition that the adjustable bolt gasket (18) and the high-strength connecting bolt (20) do not need to be moved, and the high-strength connecting bolt (20) is screwed down to clamp the prefabricated secondary beam (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210667563.0A CN114809606B (en) | 2022-06-14 | 2022-06-14 | Method for installing adjustable assembly type prefabricated primary and secondary beam support-free mold sealing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210667563.0A CN114809606B (en) | 2022-06-14 | 2022-06-14 | Method for installing adjustable assembly type prefabricated primary and secondary beam support-free mold sealing device |
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| CN114809606A CN114809606A (en) | 2022-07-29 |
| CN114809606B true CN114809606B (en) | 2023-03-28 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681728A (en) * | 2020-12-21 | 2021-04-20 | 中建八局第一建设有限公司 | Integrated prefabricated giant column steel formwork supporting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB147234A (en) * | 1917-10-01 | 1920-07-22 | Henry Albert Penelton | Improvements in and relating to concrete construction |
| JPH0932125A (en) * | 1995-07-20 | 1997-02-04 | Tanakamarushige Kensetsu Kk | Connecting fitting for wooden building |
| CN202672716U (en) * | 2012-06-08 | 2013-01-16 | 中厦建设集团有限公司 | Connecting mechanism with reusable support frame |
| EP3366853B1 (en) * | 2017-02-24 | 2020-04-22 | New World China Land Limited | Prefabricated structural system and assembling method thereof |
| CN107299710A (en) * | 2017-06-21 | 2017-10-27 | 中天建设集团浙江钢构有限公司 | Integrated assembled type light floor and its construction method |
| CN108999297A (en) * | 2018-09-19 | 2018-12-14 | 安徽建筑大学 | A kind of novel fabricated primary and secondary beam connecting node and attaching method thereof |
| CN210066493U (en) * | 2019-01-19 | 2020-02-14 | 广西建工集团第四建筑工程有限责任公司 | Hoop mold for trestle hanging mold construction |
| CN209907931U (en) * | 2019-01-31 | 2020-01-07 | 广州建筑股份有限公司 | Support-free primary and secondary beam joint mold sealing system based on assembly type structure |
| CN209907927U (en) * | 2019-01-31 | 2020-01-07 | 广州建筑股份有限公司 | Assembled beam column node mold sealing system capable of being installed and dismantled quickly |
| CN209907932U (en) * | 2019-01-31 | 2020-01-07 | 广州建筑股份有限公司 | Assembled primary and secondary beam joint mold sealing system capable of being quickly installed and dismantled |
| CN111270765A (en) * | 2020-04-07 | 2020-06-12 | 沈阳促晋科技有限公司 | Assembled concrete frame structure primary and secondary beam node connection |
| CN113323149B (en) * | 2021-06-28 | 2022-11-15 | 同济大学建筑设计研究院(集团)有限公司 | Laminated wood prestressed casing bolt joint and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681728A (en) * | 2020-12-21 | 2021-04-20 | 中建八局第一建设有限公司 | Integrated prefabricated giant column steel formwork supporting system |
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