CN115341701A - High-altitude overhanging steel bar truss floor support plate hanging formwork construction method - Google Patents
High-altitude overhanging steel bar truss floor support plate hanging formwork construction method Download PDFInfo
- Publication number
- CN115341701A CN115341701A CN202210997002.7A CN202210997002A CN115341701A CN 115341701 A CN115341701 A CN 115341701A CN 202210997002 A CN202210997002 A CN 202210997002A CN 115341701 A CN115341701 A CN 115341701A
- Authority
- CN
- China
- Prior art keywords
- steel
- overhanging
- shaped steel
- bar truss
- truss floor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 323
- 239000010959 steel Substances 0.000 title claims abstract description 323
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 238000009415 formwork Methods 0.000 title claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000003466 welding Methods 0.000 claims abstract description 39
- 229910052742 iron Inorganic materials 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
- E04G11/50—Girders, beams, or the like as supporting members for forms
Abstract
The invention belongs to the technical field of installation of assembled steel structure floor bearing plates, and particularly relates to a high-altitude overhanging steel bar truss floor bearing plate mould hanging construction method which comprises the following steps: 1. welding the lower I-shaped steel and the upper I-shaped steel; 2. mounting a cantilever I-shaped steel and I-shaped steel connecting beam; 3. installing a square steel pipe inclined strut and a steel wire rope; 4. steel bar truss floor carrier plate of encorbelmenting is hung to the iron wire. Compared with the prior art, the method solves the key technical problem that the floor support of the high-altitude overhanging steel bar truss floor support plate cannot meet the requirement, and the overhanging I-shaped steel, the square steel pipe inclined strut and the steel wire rope are arranged to form a triangular self-stabilizing structural system, bear force together and fully ensure the structural safety. The invention has safe construction, low cost and strong operability, meets the green construction requirement of high efficiency and energy saving, and has great popularization and application value.
Description
Technical Field
The invention relates to a high-altitude overhanging steel bar truss floor bearing plate hanging formwork construction method, belongs to the technical field of assembly type steel structure floor bearing plate installation, and is suitable for construction of high-altitude overhanging steel bar truss floor bearing plates.
Background
In recent years, the number of fabricated steel structures has increased greatly, and the steel bar truss floor deck is the most common floor slab structure type in the fabricated steel structure. For the requirements of modeling or function, the floor bearing plate of the overhanging steel bar truss is often designed, and the overhanging length is 500 mm-3300 mm.
Aiming at the overhanging steel bar truss floor support plate, a construction method of supporting the steel bar truss floor support plate by falling to the ground at the lower part is generally adopted in design drawings so as to prevent the deformation of the steel bar truss floor support plate from exceeding the limit under the action of load. However, the construction method of the lower landing support has the following two defects: firstly, if the steel bar truss building carrier plate of encorbelmenting is higher apart from the height of current natural terrace, the lower part falls to the ground the bracing frame aspect ratio transfinites, and the adverse effect of wind load in addition has great safe risk, and construction cost is high, and is unfavorable to time limit for a project control. Secondly, the field working condition is complicated, the operation condition of setting up a ground support frame is not provided, and the popularization and application value is not universal.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the construction method for the high-altitude overhanging steel bar truss floor bearing plate hanging mold fully ensures that the loaded deflection deformation of the overhanging steel bar truss floor bearing plate is within the range of 1/180 of the allowable plate span and less than or equal to 200mm, is safe and reliable, has low cost, meets the green construction requirement, and solves the technical problem that the overhanging steel bar truss floor bearing plate falls to the ground and supports the overhanging steel bar truss floor bearing plate and does not meet the requirement.
The invention relates to a high-altitude overhanging steel bar truss floor bearing plate mould hanging construction method, which comprises the following steps of:
1. welding the lower I-shaped steel and the upper I-shaped steel:
1.1 welding the lower I-steel
Welding lower I-shaped steel on the section steel column, wherein the welding seam meets the requirement of a three-level welding seam; the distance between the lower I-steel and the upper surface of the steel bar truss floor support plate is 200-400 mm;
1.2 welding the upper I-steel
1) Welding upper I-shaped steel on the section steel column, wherein the welding seam meets the requirement of a three-level welding seam;
2) Arranging a welding plate with the size of 200mm multiplied by 200 mm-300 mm multiplied by 300mm at the inner flange of the upper I-shaped steel;
2. installing an overhanging I-shaped steel and I-shaped steel connecting beam:
2.1 mounting overhanging I-steel
1) Mounting and welding and fixing the overhanging I-beam on the surface of the upper flange of the lower I-beam, which is vertical to the overhanging I-beam;
2) The longitudinal distance between the overhanging I-shaped steel bars is 3 m-4 m;
3) A steel wire rope tie-up hanging ring is arranged at the bottom of the inward 100-300 mm position of the outer end of the overhanging I-steel;
2.2 mounting I-steel connecting beam
1) Mounting an I-steel connecting beam on the surface of the upper flange of the overhanging I-steel, and connecting and fixing the I-steel connecting beam and the overhanging I-steel by using a steel beam fastener;
2) The horizontal distance between the inner row of I-steel connecting beams and the outer row of I-steel connecting beams and the horizontal distance between the inner row of I-steel connecting beams and the lower I-steel connecting beams are respectively 1/3 and 2/3 of the overhanging length of the outer side of the overhanging I-steel;
3. installing a square steel pipe inclined strut and a steel wire rope:
3.1 installing the diagonal brace of the square steel tube
1) A square steel pipe inclined strut is arranged at the top of the position, 100-300 mm inwards, of the inner end of the cantilever I-shaped steel; the upper end and the lower end of the diagonal brace of the square steel pipe are respectively welded with the welding plate and the overhanging I-shaped steel groove, and the requirement of a three-level welding seam is met;
2) The length-to-fineness ratio limit value of the inclined strut of the square steel pipe is 180;
3.2 installing the wire rope
1) The lower end of the steel wire rope is tied with the hanging ring, and the upper end of the steel wire rope is fixed after being wound with the upper I-shaped steel for a circle;
2) The steel wire ropes are symmetrically arranged at the positions of the hanging rings, so that the overhanging I-shaped steel is prevented from being twisted after being loaded;
4. steel bar truss floor carrier plate of encorbelmenting is hung to iron wire:
and (3) hanging the steel bar truss floor support plate on the I-steel connecting beam by using No. 8 or No. 10 iron wires according to the space between 3 and 4 steel bar trusses on the I-steel connecting beam.
The lifting ring is made of round steel and is welded with the overhanging I-shaped steel in a compatible mode; a rubber pad is coated outside a contact point of the steel wire rope and the upper I-shaped steel.
The cantilever I-shaped steel, the square steel pipe diagonal brace and the steel wire rope form a self-stabilizing structural system, wherein included angles between the cantilever I-shaped steel and the square steel pipe diagonal brace and between the cantilever I-shaped steel and the steel wire rope are 45-60 degrees.
When the steel wire rope is installed, the rope tightener is adopted for tightening, the outer end of the overhanging I-shaped steel is arched by 10-15 mm, the steel wire rope and the overhanging I-shaped steel are ensured to work together, and the steel bar truss floor bearing plate is prevented from deforming beyond the limit along with the loaded deflection of the overhanging I-shaped steel.
The iron wire is firmly bound at the upper end of the I-shaped steel connecting beam after passing through the lower chord steel bars on two sides of the steel bar truss in the process of being hung and bound with the steel bar truss floor support plate.
When the strength of the concrete of the steel bar truss floor support plate reaches the form removal condition, the iron wire is cut at a position 20mm inside the surface of the concrete, and the hole is filled with polymer mortar.
The steel beam fastener comprises a bolt and a steel plate, the bolt and the steel plate are fastened in an assembling mode, and the cantilever I-shaped steel and the I-shaped steel connecting beam are fixedly connected.
The wooden scaffold board is paved on the surface of the upper flange of the overhanging I-shaped steel.
Before the iron wire of the steel bar truss floor bearing plate of the overhanging section is hung, the stud construction is firstly carried out on the H-shaped steel beam according to the design drawing requirements, so that the steel bar truss floor bearing plate and the H-shaped steel beam are ensured to be reliably fixed.
The direction of the central line of the web plate of the upper I-shaped steel is the same as the horizontal load of the steel wire rope and the diagonal bracing of the square steel pipe, so that the lateral movement resisting rigidity of the upper I-shaped steel is fully exerted.
The beneficial effects of the invention are:
1) The construction method for the high-altitude overhanging steel bar truss floor bearing plate hanging mold is creatively provided, and the problem that the traditional floor support frame cannot be constructed is effectively solved;
2) The lower I-steel and the upper I-steel are creatively welded on the section steel column, a platform is provided for the overhanging I-steel, the construction of the non-overhanging section steel bar truss floor bearing plate is not influenced, and a hanging support is provided for the construction of the overhanging section steel bar truss floor bearing plate;
3) The overhanging I-shaped steel, the square steel pipe inclined strut and the steel wire rope form a triangular self-stabilizing structural system, and the triangular self-stabilizing structural system is stressed together, so that the structural safety is fully ensured;
4) The construction method of the steel wire hanging overhanging steel bar truss floor support plate is adopted, so that the construction is convenient, and meanwhile, the concrete pouring construction and the later iron wire cutting treatment are convenient;
5) The steel beam fastener is formed by combining a bolt and a steel plate, and the overhanging I-shaped steel and the I-shaped steel connecting beam are connected and fixed by adopting an assembly type means, so that the mounting and dismounting are simple, and the operability is strong;
6) The lifting ring is made of round steel, so that the lifting ring can be conveniently welded with the overhanging I-shaped steel in a compatible manner, and the welding quality is improved;
7) The steel wire ropes are symmetrically arranged at the positions of the hanging rings, and the steel wire ropes are tensioned by a rope tensioner when being installed, so that the outer end of the overhanging I-shaped steel is arched by 10-15 mm, and the steel wire ropes and the overhanging I-shaped steel are ensured to work together.
The method is safe in construction, convenient to operate and low in cost, solves the technical problem that the floor support of the cantilever steel bar truss floor support plate cannot meet the requirements, meets the efficient and energy-saving green construction requirements, and has great popularization and application values.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view schematic of the structure of fig. 1.
In the figure: 1. a section steel column; 2. welding the plate; 3. upper I-steel; 4. a square steel pipe diagonal bracing; 5. overhanging I-shaped steel; 6. iron wires; 7. i-steel connecting beams; 8. lower I-steel; 9. a steel bar truss floor support plate; 10. an H-shaped steel beam; 11. a wire rope; 12. a hoisting ring; 13. a steel beam fastener.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-2, the construction method of the high-altitude overhanging steel bar truss floor bearing plate hanging mold comprises the following steps:
1. welding the lower I-beam 8 and the upper I-beam 3:
1.1, welding the lower I-shaped steel 8
Welding a lower I-shaped steel 8 on the section steel column 1, wherein a welding seam meets the requirement of a three-level welding seam; the distance between the lower I-steel 8 and the upper surface of the steel bar truss floor bearing plate 9 is 200 mm-400 mm;
1.2 welding the upper I-steel 3
1) Welding an upper I-shaped steel 3 on the section steel column 1, wherein a welding seam meets the requirement of a three-level welding seam;
2) Arranging a welding plate 2 with the size of 200mm multiplied by 200 mm-300 mm multiplied by 300mm at the inner flange position of the upper I-beam 3 so as to weld and fix the square steel pipe inclined strut 4 and the groove of the upper I-beam 3;
2. installation I-steel 5 and I-steel tie beam 7 of encorbelmenting:
2.1, mounting overhanging I-steel 5
1) Mounting overhanging I-beams 5 on the surface of the upper flange of the lower I-beam 8 and welding and fixing the overhanging I-beams;
2) The longitudinal distance between the overhanging I-shaped steel 5 and the cantilever is 3 m-4 m;
3) A hanging ring 12 is arranged at the bottom of the inward 100 mm-300 mm position of the outer end of the overhanging I-shaped steel 5 so as to facilitate the drawing of a steel wire rope 11;
4) The lifting ring 12 is made of round steel, so that the lifting ring is conveniently compatible with the overhanging I-shaped steel 5 for welding, and the welding quality is improved;
2.2 installing I-steel connecting beam 7
1) An I-steel connecting beam 7 is arranged on the surface of the upper flange of the overhanging I-steel 5 and is vertical to the overhanging I-steel, and the I-steel connecting beam and the overhanging I-steel are connected and fixed by a steel beam fastener 13;
2) The horizontal distance between the inner row of I-steel connecting beams 7 and the outer row of I-steel connecting beams and the horizontal distance between the lower I-steel 8 are respectively 1/3 and 2/3 of the overhanging length of the outer side of the overhanging I-steel 5;
3. installing a square steel pipe inclined strut 4 and a steel wire rope 11:
3.1 installing the diagonal brace 4 of the square steel pipe
1) A square steel pipe inclined strut 4 is arranged at the top of the inward 100-300 mm position of the inner end of the overhanging I-steel 5; the upper end and the lower end of the square steel pipe inclined strut 4 are respectively welded with the welding plate 2 and the overhanging I-shaped steel 5 groove, and the requirement of a three-level welding seam is met;
2) The length-to-thickness ratio limit of the square steel pipe inclined strut 4 is 180;
3.2 installing the steel wire rope 11
1) The lower end of the steel wire rope 11 is tied with the hanging ring 12, and the upper end of the steel wire rope is fixed after being wound with the upper I-shaped steel 3 for a circle;
2) The steel wire ropes 11 are symmetrically arranged at the positions of the hanging rings 12, so that the overhanging I-shaped steel 5 is prevented from twisting after being loaded;
3) A rubber pad is wrapped at the contact point of the steel wire rope 11 and the upper I-shaped steel 3 to prevent the steel wire rope 11 from being worn and broken;
4. iron wire 6 is hung and is encorbelmented steel bar truss floor carrier plate 9:
hanging a steel bar truss floor support plate 9 on the I-shaped steel connecting beam 7 by using 8 or 10 iron wires 6 according to the interval of 3-4 steel bar trusses on the I-shaped steel connecting beam 7;
the cantilever I-steel 5, the square steel pipe diagonal brace 4 and the steel wire rope 11 form a self-stabilizing structural system, wherein an included angle between the cantilever I-steel 5 and the square steel pipe diagonal brace 4 and the steel wire rope 11 is 45-60 degrees. The steel wire rope 11 and the overhanging I-shaped steel 5 are tensioned by a rope tensioner when the steel wire rope 11 is installed, the outer end of the overhanging I-shaped steel 5 is arched by 10-15 mm, the steel wire rope 11 and the overhanging I-shaped steel 5 are ensured to work together, and the steel bar truss floor bearing plate 9 is prevented from deforming beyond the limit along with the loaded deflection of the overhanging I-shaped steel 5. In the process that the iron wire 6 is hung and bound with the steel bar truss floor support plate 9, the iron wire 6 is firmly bound at the upper end of the I-shaped steel connecting beam 7 after passing through the lower chord steel bars on the two sides of the steel bar truss. When the strength of the concrete of the steel bar truss floor support plate 9 reaches the form removal condition, the iron wire 6 needs to be cut at a position 20mm below the surface of the concrete, and the hole is filled with polymer mortar. The steel beam fastener 13 is formed by combining bolts and steel plates, and the overhanging I-shaped steel 5 and the I-shaped steel connecting beam 7 are connected and fixed by adopting an assembly type means, so that the installation and the disassembly are convenient; and a wooden scaffold board is laid on the surface of the upper flange of the overhanging I-shaped steel 5, so that an operator can conveniently install the I-shaped steel connecting beam 7 and bind the iron wire 6. Before carrying out the section of encorbelmenting steel bar truss floor carrier plate 9 iron wire 6 and hanging, need carry out the stud construction on H shaped steel roof beam 10 earlier according to the design drawing requirement, ensure that steel bar truss floor carrier plate 9 and H shaped steel roof beam 10 are reliably fixed. The central line direction of the web plate of the upper I-shaped steel 3 is the same as the horizontal load of the steel wire rope 11 and the square steel pipe inclined strut 4, so that the lateral movement resisting rigidity of the upper I-shaped steel 3 is fully exerted.
Claims (10)
1. A high-altitude overhanging steel bar truss floor bearing plate hanging mold construction method is characterized by comprising the following steps:
1. welding the lower I-steel (8) and the upper I-steel (3):
1.1, welding lower I-steel (8)
Welding a lower I-shaped steel (8) on the section steel column (1); the distance between the lower I-shaped steel (8) and the upper surface of the steel bar truss floor bearing plate (9) is 200-400 mm;
1.2, welding upper I-shaped steel (3)
1) Welding an upper I-shaped steel (3) on the section steel column (1);
2) Arranging a welding plate (2) with the size of 200mm multiplied by 200 mm-300 mm multiplied by 300mm on the inner side flange of the upper I-shaped steel (3);
2. installing an overhanging I-shaped steel (5) and an I-shaped steel connecting beam (7):
2.1 mounting overhanging I-steel (5)
1) Mounting overhanging I-shaped steel (5) on the surface of the upper flange of the lower I-shaped steel (8) and welding and fixing;
2) The longitudinal distance between the overhanging I-shaped steel (5) is 3 m-4 m;
3) A steel wire rope (11) tying hanging ring (12) is arranged at the bottom of the inward 100-300 mm position of the outer end of the overhanging I-shaped steel (5);
2.2 mounting I-steel tie beam (7)
1) An I-steel connecting beam (7) is arranged on the surface of the upper flange of the overhanging I-steel (5) and is vertical to the overhanging I-steel (5), and the I-steel connecting beam and the overhanging I-steel are connected and fixed by a steel beam fastener (13);
2) The horizontal distance between the inner row of I-steel connecting beams (7) and the outer row of I-steel connecting beams and the horizontal distance between the lower I-steel (8) are respectively 1/3 and 2/3 of the overhanging length of the outer side of the overhanging I-steel (5);
3. installing a square steel pipe inclined strut (4) and a steel wire rope (11):
3.1, mounting square steel tube diagonal brace (4)
1) A square steel pipe inclined strut (4) is arranged at the top of a position 100-300 mm inward from the inner end of the cantilever I-shaped steel (5); the upper end and the lower end of the square steel pipe inclined strut (4) are respectively welded with the welding plate (2) and the overhanging I-shaped steel (5) in a groove way;
2) The length-to-fineness ratio limit of the square steel pipe inclined strut (4) is 180;
3.2, mounting wire rope (11)
1) the lower end of a steel wire rope (11) is tied with a hanging ring (12), and the upper end of the steel wire rope is wound with an upper I-shaped steel (3) for a circle and then fixed;
2) The steel wire ropes (11) are symmetrically arranged at the position of the hanging ring (12) to prevent the overhanging I-shaped steel (5) from twisting after being loaded;
4. hang steel bar truss floor carrier plate (9) of encorbelmenting in iron wire (6):
and (3) hanging the steel bar truss floor bearing plate (9) on the I-steel connecting beam (7) by using No. 8 or No. 10 iron wires (6) according to the interval of 3-4 steel bar trusses on the I-steel connecting beam (7).
2. The high-altitude overhanging steel bar truss floor bearing plate hanging formwork construction method according to claim 1, characterized in that: the hoisting ring (12) is made of round steel and is welded with the overhanging I-shaped steel (5) in a compatible mode; the contact point of the steel wire rope (11) and the upper I-shaped steel (3) is externally coated with a rubber pad.
3. The high-altitude overhanging steel bar truss floor bearing plate hanging formwork construction method according to claim 1, characterized in that: the cantilever I-shaped steel (5), the square steel tube inclined strut (4) and the steel wire rope (11) form a self-stabilizing structure system, wherein included angles between the cantilever I-shaped steel (5) and the square steel tube inclined strut (4) and between the cantilever I-shaped steel and the steel wire rope (11) are 45-60 degrees.
4. The high-altitude overhanging steel bar truss floor bearing plate hanging formwork construction method according to claim 1, characterized in that: when the steel wire rope (11) is installed, the rope tightener is adopted for tightening, the outer end of the overhanging I-shaped steel (5) is arched by 10-15 mm upwards, the steel wire rope (11) and the overhanging I-shaped steel (5) are ensured to work together, and the steel bar truss floor bearing plate (9) is prevented from deforming beyond the limit along with the loaded deflection of the overhanging I-shaped steel (5).
5. The high-altitude overhanging steel bar truss floor bearing plate hanging formwork construction method according to claim 1, characterized in that: in the process that the iron wire (6) is hung and bound with the steel bar truss floor bearing plate (9), the iron wire (6) is firmly bound at the upper end of the I-shaped steel connecting beam (7) after passing through the lower chord steel bars on the two sides of the steel bar truss.
6. The high-altitude overhanging steel bar truss floor support plate hanging mould construction method according to claim 1, characterized in that: when the strength of the concrete of the steel bar truss floor bearing plate (9) reaches the form removal condition, the iron wire (6) is cut at a position 20mm below the surface of the concrete, and the hole is filled with polymer mortar.
7. The high-altitude overhanging steel bar truss floor support plate hanging mould construction method according to claim 1, characterized in that: the steel beam fastener (13) comprises a bolt and a steel plate, the bolt and the steel plate are fastened in an assembling mode, and the cantilever I-shaped steel (5) and the I-shaped steel connecting beam (7) are connected and fixed.
8. The high-altitude overhanging steel bar truss floor bearing plate hanging formwork construction method according to claim 1, characterized in that: and a wooden scaffold board is paved on the surface of the upper flange of the overhanging I-shaped steel (5).
9. The high-altitude overhanging steel bar truss floor support plate hanging mould construction method according to claim 1, characterized in that: before iron wire (6) of the steel bar truss floor bearing plate (9) of the section of encorbelmenting hang, need carry out the stud construction on H shaped steel roof beam (10) earlier according to the design drawing requirement, ensure that steel bar truss floor bearing plate (9) and H shaped steel roof beam (10) are reliably fixed.
10. The high-altitude overhanging steel bar truss floor bearing plate hanging formwork construction method according to claim 1, characterized in that: the direction of the central line of the web plate of the upper I-shaped steel (3) is the same as the horizontal load of the steel wire rope (11) and the square steel pipe inclined strut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210997002.7A CN115341701A (en) | 2022-08-19 | 2022-08-19 | High-altitude overhanging steel bar truss floor support plate hanging formwork construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210997002.7A CN115341701A (en) | 2022-08-19 | 2022-08-19 | High-altitude overhanging steel bar truss floor support plate hanging formwork construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115341701A true CN115341701A (en) | 2022-11-15 |
Family
ID=83953380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210997002.7A Pending CN115341701A (en) | 2022-08-19 | 2022-08-19 | High-altitude overhanging steel bar truss floor support plate hanging formwork construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115341701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071913A (en) * | 2023-07-27 | 2023-11-17 | 山东金城建设有限公司 | Steel construction cantilever steel bar truss building carrier plate hanging die construction device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538896A (en) * | 2009-04-03 | 2009-09-23 | 标力建设集团有限公司 | Construction method for jettied structure at high attitude of high-rise building |
| KR20090126819A (en) * | 2008-06-05 | 2009-12-09 | (주)영구조엔지니어링 | Continuous support type truss-deck construction system |
| CN105672678A (en) * | 2016-01-26 | 2016-06-15 | 江苏南通三建集团有限公司 | Method for mounting overall steel protective shed cantilever frame |
| CN107152160A (en) * | 2017-06-22 | 2017-09-12 | 中国五冶集团有限公司 | A kind of shuttering supporting builder's jack operation platform erection method |
| CN108643544A (en) * | 2018-04-02 | 2018-10-12 | 中国十七冶集团有限公司 | A kind of high-altitude overhanging operation platform strutting system and construction method |
| CN214574606U (en) * | 2021-02-03 | 2021-11-02 | 中建科工集团有限公司 | Mounting structure of air conditioning plate of assembled residential building |
| CN216787878U (en) * | 2021-12-27 | 2022-06-21 | 中铁三局集团建筑安装工程有限公司 | Construction structure of steel bar truss floor support plate |
-
2022
- 2022-08-19 CN CN202210997002.7A patent/CN115341701A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090126819A (en) * | 2008-06-05 | 2009-12-09 | (주)영구조엔지니어링 | Continuous support type truss-deck construction system |
| CN101538896A (en) * | 2009-04-03 | 2009-09-23 | 标力建设集团有限公司 | Construction method for jettied structure at high attitude of high-rise building |
| CN105672678A (en) * | 2016-01-26 | 2016-06-15 | 江苏南通三建集团有限公司 | Method for mounting overall steel protective shed cantilever frame |
| CN107152160A (en) * | 2017-06-22 | 2017-09-12 | 中国五冶集团有限公司 | A kind of shuttering supporting builder's jack operation platform erection method |
| CN108643544A (en) * | 2018-04-02 | 2018-10-12 | 中国十七冶集团有限公司 | A kind of high-altitude overhanging operation platform strutting system and construction method |
| CN214574606U (en) * | 2021-02-03 | 2021-11-02 | 中建科工集团有限公司 | Mounting structure of air conditioning plate of assembled residential building |
| CN216787878U (en) * | 2021-12-27 | 2022-06-21 | 中铁三局集团建筑安装工程有限公司 | Construction structure of steel bar truss floor support plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071913A (en) * | 2023-07-27 | 2023-11-17 | 山东金城建设有限公司 | Steel construction cantilever steel bar truss building carrier plate hanging die construction device |
| CN117071913B (en) * | 2023-07-27 | 2024-03-19 | 山东金城建设有限公司 | Steel construction cantilever steel bar truss building carrier plate hanging die construction device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101839070B (en) | Construction method for temporarily supporting and strengthening reinforced concrete structured beam by using steel column | |
| CN102535845A (en) | Construction method of bearing frame of corridor structure | |
| CN111335610A (en) | High-altitude large-span cantilever formwork operation platform and erection method thereof | |
| CN114482280A (en) | Hexagonal-section assembled annular supporting system and installation method thereof | |
| CN113175091A (en) | Fully assembled prestressed frame cable system combined structure | |
| CN115627935A (en) | Double-splicing cabin-jumping type construction method for pipe truss type roof structure | |
| CN115341701A (en) | High-altitude overhanging steel bar truss floor support plate hanging formwork construction method | |
| CN111218987A (en) | Bearing type net rack construction method | |
| CN113914223A (en) | High-pier arc-shaped upper cross beam light-weight bracket system and mounting method thereof | |
| CN113585828A (en) | Installation method of large-span inverted triangular pipe truss slope roof workshop | |
| CN206607506U (en) | A kind of through type adds the capping construction support of passive stress trapezoid block | |
| CN212077660U (en) | Large-span wide width bridge girder rhombus hanging basket construction structure | |
| CN212101770U (en) | Double-rail device convenient to install and detach quickly and used for hoisting curtain wall unit plate | |
| CN108867548B (en) | Construction platform and construction platform erection method for on-site watering high pile wharf | |
| CN102259794A (en) | Method for installing overall combined type crane beam | |
| CN206844680U (en) | Steel vestibule installation on ground load transfer device | |
| CN220395134U (en) | High-rise building high-altitude cantilever supporting structure | |
| CN110805261A (en) | Steel platform steel beam structure based on prestress reinforcement and construction method | |
| CN219794710U (en) | Cantilever type unloading platform | |
| CN108343251A (en) | A kind of continuance lifting method without bearing large space Steel Truss Beam | |
| CN216640271U (en) | High mound arc entablature light weight volume support system | |
| CN220319075U (en) | Guy rope hanging basket assembling platform | |
| CN217325044U (en) | Cast-in-place crossbeam bracket of reassembling type | |
| CN220431975U (en) | Super-high adhesion structure of construction elevator | |
| CN211257922U (en) | Suspension type bow member amount of deflection controlling means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |