CN114876209A - Steel reinforced beam sectional construction method for limited hoisting - Google Patents
Steel reinforced beam sectional construction method for limited hoisting Download PDFInfo
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- CN114876209A CN114876209A CN202210735448.2A CN202210735448A CN114876209A CN 114876209 A CN114876209 A CN 114876209A CN 202210735448 A CN202210735448 A CN 202210735448A CN 114876209 A CN114876209 A CN 114876209A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 129
- 239000010959 steel Substances 0.000 title claims abstract description 129
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000009415 formwork Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- 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
- E04B1/38—Connections for building structures in general
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/388—Separate connecting elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
-
- 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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/02—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means
- E04G1/04—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means the members being exclusively poles, rods, beams, or other members of similar form and simple cross-section
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/007—Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/16—Struts or stiffening rods, e.g. diagonal rods
-
- 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
- E04G7/00—Connections between parts of the scaffold
- E04G7/02—Connections between parts of the scaffold with separate coupling elements
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
- E04G7/12—Clamps or clips for crossing members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
- E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0452—H- or I-shaped
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a steel rib beam segmented construction method for limited hoisting, and relates to the technical field of steel rib beam installation. The method comprises the following steps: the steel skeleton beam is made in sections, and the whole section of steel skeleton beam is divided into a side steel skeleton beam and a middle steel skeleton beam. Connect the scaffold frame horizontal pole in the scaffold frame pole setting, make the scaffold frame horizontal pole flush with the bottom surface that the position was preset to the reinforcing bar roof beam. And hoisting the side steel reinforced beam to the side mounting position, and connecting the side steel reinforced beam to the steel column by using a first mounting bolt. And hoisting the middle steel rib beam to the middle mounting position, and connecting the two ends of the middle steel rib beam with the end parts of the side steel rib beams at the two sides respectively by using second mounting bolts. And correcting the positions of the side steel rib beams and the middle steel rib beam. And respectively welding an upper flange plate and a lower flange plate on the side steel skeleton beam and the middle steel skeleton beam to finish the installation of the steel skeleton beams. By means of the method for installing the steel reinforced beams in sections, the problem that hoisting of the steel reinforced beams is limited is solved, construction efficiency is improved, and construction cost is reduced.
Description
Technical Field
The invention relates to the technical field of steel reinforced beam installation, in particular to a steel reinforced beam sectional construction method for limited hoisting.
Background
At present, with the continuous development of national economy, infrastructure construction is vigorously developed in various places of China in recent years, steel structures gradually enter the visual field of people, various steel structures are generated at the same time, and the steel skeleton beam is one of the structural forms.
In the prior art, the traditional steel reinforced beam installation is generally carried out by directly hoisting machinery such as a truck crane, a crawler crane, a tower crane and the like with hoisting capacity to an installation position. The steel skeleton beam has the characteristics of large volume and heavy weight, so that the hoisting is difficult. Many lifting device hoist simultaneously probably need, but when the construction site was limited, can further increase the hoist and mount degree of difficulty, lead to some reinforcing bar roof beam can't use supporting hoist and mount machinery to install.
Disclosure of Invention
In view of the above, the present invention provides a steel reinforced beam segment construction method for limited hoisting, so as to solve the above problems.
Based on the purpose, the invention provides a steel reinforced beam segmented construction method for limited hoisting, which comprises the following steps:
s1, manufacturing the steel skeleton beam in sections, and manufacturing the whole section of steel skeleton beam into a side steel skeleton beam and a middle steel skeleton beam.
And S2, connecting the scaffold cross rod to the scaffold upright rod to enable the scaffold cross rod to be flush with the bottom surface of the preset position of the steel rib beam.
S3, hoisting the side steel rib beam to the side mounting position, and connecting the side steel rib beam to the steel column by using a first mounting bolt.
And S4, hoisting the middle steel rib beam to the middle mounting position, and connecting the two ends of the middle steel rib beam with the end parts of the side steel rib beams at the two sides respectively by using second mounting bolts.
And S5, correcting the positions of the side steel rib beams and the middle steel rib beam.
And S6, welding upper and lower flange plates on the side steel skeleton beams and the middle steel skeleton beam respectively to complete the installation of the steel skeleton beams.
Compared with the prior art, the invention has the beneficial effects that:
1. the whole section of steel rib beam is divided into the side steel rib beam and the middle steel rib beam, so that the weight of each section of steel rib beam is within the hoisting capacity range of the tower crane, the hoisting difficulty is reduced, the site construction condition is met, and the problem of hoisting limitation is solved.
2. Use the scaffold frame as the support, install each section reinforcing bar roof beam respectively, convenient operation, the installation degree of difficulty is low, can effectively improve the efficiency of construction, reduces construction cost, practices thrift the time limit for a project.
Further, the specific step of S2 includes: connecting the fasteners to the scaffold cross bars and the scaffold upright bars; lifting the cross rod of the scaffold through the fastener to enable the elevation of the cross rod of the scaffold to be flush with the bottom surface of the preset position of the steel reinforced beam; and tightening the fasteners to fix the cross rods of the scaffold on the vertical rods of the scaffold.
Further, the specific step of S5 includes: correcting the connecting center lines of the side steel rib beams, the middle steel rib beam and the steel columns; and correcting the elevation of the side steel rib beam and the middle steel rib beam.
Further, before S6, the method further includes: replacing the first mounting bolt with a first high-strength bolt; and replacing the second mounting bolt with a second high-strength bolt.
Further, after S6, the method further includes: and adjusting the position of the cross rod of the scaffold, and restoring the elevation of the cross rod of the scaffold to the set elevation of the formwork.
Drawings
Fig. 1 is a schematic mounting diagram of a scaffold for a segmented construction method of a hoisting-limited steel skeleton beam according to an embodiment of the present invention;
FIG. 2 is a schematic side steel-reinforced beam installation diagram for a steel-reinforced beam sectional construction method with limited hoisting according to an embodiment of the present invention;
FIG. 3 is a schematic view of the installation of the middle steel skeleton beam for the sectional construction method of the steel skeleton beam with limited hoisting provided by the embodiment of the invention;
FIG. 4 is a schematic elevation view of a section construction method for a steel reinforced beam with limited hoisting according to an embodiment of the present invention;
FIG. 5 is a schematic sectional view of the sectional construction method for steel reinforced beams with limited hoisting according to the embodiment of the present invention;
fig. 6 is a schematic elevation view of a scaffold cross bar elevation restoration for a hoisting-limited steel skeleton beam segmental construction method according to an embodiment of the present invention;
fig. 7 is a schematic view of a cross section of a scaffold cross bar for a hoisting-limited steel skeleton beam segmental construction method according to an embodiment of the present invention, which is restored to an elevation.
Labeled as: 1. a steel column; 2. a side steel skeleton beam; 3. an intermediate steel skeleton beam; 4. erecting a scaffold; 5. a scaffold rail; 6. a fastener; 7. stepping on the foot plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.
As shown in FIG. 1, the steel reinforced beam sectional construction method for limited hoisting provided by the invention comprises the following steps:
s1, manufacturing the steel skeleton beam in sections, and manufacturing the whole section of steel skeleton beam into the side steel skeleton beam 2 and the middle steel skeleton beam 3, so that the weight of each section of steel skeleton beam is within the hoisting capacity range of the tower crane. In the embodiment, the steel skeleton beam is divided into two side steel skeleton beams 2 and a middle steel skeleton beam 3.
S2, erecting steel columns 1 and scaffolds, symmetrically arranging the two steel columns 1, and respectively and fixedly installing the two steel columns 1 on the ground. The scaffold is by scaffold frame pole setting 4, scaffold frame horizontal pole 5 and step on sole 7 etc. and constitute, and scaffold frame pole setting 4 is installed between two steel columns 1, and scaffold frame stand fixed connection is subaerial, along the central line symmetric distribution of two steel columns 1. Scaffold cross-bar 5 perpendicular to scaffold pole setting 4 sets up, wears the dress respectively in fastener 6 with scaffold cross-bar 5 and scaffold pole setting 4, and scaffold cross-bar 5 and scaffold pole setting 4 all can slide in fastener 6 this moment. The scaffold cross rod 5 is lifted, so that the elevation of the scaffold cross rod 5 is flush with the bottom surface of the preset position of the steel rib beam. The fastener 6 is screwed up after the position of the scaffold cross rod 5 is adjusted, the scaffold cross rod 5 is fixed on the scaffold upright rod 4, and the foot treading plate 7 is installed above the scaffold cross rod 5.
S3, as shown in fig. 2, hoisting the side steel skeleton beam 2 to a side mounting position above the scaffold cross rod 5 and close to the steel column 1 by using a tower crane, connecting the side steel skeleton beam 2 to the steel column 1 by using a first mounting bolt, and connecting the two side steel skeleton beams 2 with the steel columns 1 at two sides respectively. During operation, the worker can perform an operation on the footstep plate 7.
And S4, as shown in figure 3, hoisting the middle steel rib beam 3 to the middle mounting position between the two side steel rib beams 2 by using a tower crane, and respectively connecting the two ends of the middle steel rib beam 3 with the end parts of the side steel rib beams 2 at the two sides by using second mounting bolts. The three sections of steel skeleton beams are connected together to form an integral steel skeleton beam.
And S5, correcting the connecting center lines of the side steel rib beams 2, the middle steel rib beam 3 and the steel column 1, and enabling the three steel rib beams to be located on the same horizontal line. And (3) correcting and correcting the elevations of the side steel rib beams 2 and the middle steel rib beam 3, and enabling the steel rib beams to be located at preset positions as shown in figures 4 and 5.
S6, the mounting bolts of each node are replaced from the center to the two ends in sequence, the first mounting bolts are replaced by the first high-strength bolts, the second mounting bolts are replaced by the second high-strength bolts, the high-strength bolts are used for guaranteeing the mounting stability of the steel reinforced beam, and the bearing capacity is enhanced. After the replacement of the bolts is finished, the upper flange plate and the lower flange plate are respectively welded on the side steel rib beams 2 and the middle steel rib beam 3, and the construction of the steel rib beams is finished.
As shown in fig. 6 and 7, the fastener 6 is loosened, the position of the scaffold cross bar 5 is adjusted, the elevation of the scaffold cross bar 5 is restored to the set elevation of the formwork, and after the position of the scaffold cross bar 5 is adjusted, the fastener 6 is screwed down, and the position of the scaffold cross bar 5 is fixed.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. A steel reinforced beam sectional construction method for limited hoisting is characterized by comprising the following steps:
s1, manufacturing the steel skeleton beam in sections, and manufacturing the whole section of steel skeleton beam into a side steel skeleton beam and a middle steel skeleton beam;
s2, connecting the scaffold cross bar to the scaffold upright post to enable the scaffold cross bar to be flush with the bottom surface of the preset position of the steel rib beam;
s3, hoisting the side steel rib beam to a side mounting position, and connecting the side steel rib beam to the steel column by using a first mounting bolt;
s4, hoisting the middle steel rib beam to a middle mounting position, and connecting two ends of the middle steel rib beam with the end parts of the side steel rib beams at two sides respectively by using second mounting bolts;
s5, correcting the positions of the side steel rib beams and the middle steel rib beam;
and S6, welding upper and lower flange plates on the side steel skeleton beams and the middle steel skeleton beam respectively to complete the installation of the steel skeleton beams.
2. The segmented construction method for hoisting limited steel reinforced beams as claimed in claim 1, wherein the specific steps of S2 include:
connecting fasteners to the scaffold cross rods and the scaffold upright rods;
lifting the cross rod of the scaffold by a fastener to enable the elevation of the cross rod of the scaffold to be flush with the bottom surface of the preset position of the steel reinforced beam;
and tightening the fasteners to fix the cross rods of the scaffold on the vertical rods of the scaffold.
3. The segmented construction method for hoisting limited steel reinforced beams as claimed in claim 1, wherein the specific steps of S5 include:
correcting the central lines of the connection of the side steel rib beams, the middle steel rib beam and the steel columns;
and correcting the elevation of the side steel rib beam and the middle steel rib beam.
4. The method of claim 1, further comprising, before S6:
replacing the first mounting bolt with a first high-strength bolt;
and replacing the second mounting bolt with a second high-strength bolt.
5. The method of claim 1, further comprising, after S6: and adjusting the position of the cross rod of the scaffold, and restoring the elevation of the cross rod of the scaffold to the set elevation of the formwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210735448.2A CN114876209A (en) | 2022-06-27 | 2022-06-27 | Steel reinforced beam sectional construction method for limited hoisting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210735448.2A CN114876209A (en) | 2022-06-27 | 2022-06-27 | Steel reinforced beam sectional construction method for limited hoisting |
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| CN114876209A true CN114876209A (en) | 2022-08-09 |
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| CN202210735448.2A Pending CN114876209A (en) | 2022-06-27 | 2022-06-27 | Steel reinforced beam sectional construction method for limited hoisting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263000A (en) * | 2022-08-29 | 2022-11-01 | 中建八局第一建设有限公司 | Device for in-situ correction of super-long steel beam after high-position segmented hoisting and construction method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905218A (en) * | 2019-11-12 | 2020-03-24 | 江苏南通三建集团股份有限公司 | Sectional hoisting process for super-large-span box-shaped steel beam |
| CN112324131A (en) * | 2020-10-29 | 2021-02-05 | 杭州二建建设有限公司 | One-frame dual-purpose large-span stiff beam construction structure and construction method thereof |
| CN114293783A (en) * | 2021-12-22 | 2022-04-08 | 中国建筑第八工程局有限公司 | High-altitude large-span steel beam mounting method |
-
2022
- 2022-06-27 CN CN202210735448.2A patent/CN114876209A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905218A (en) * | 2019-11-12 | 2020-03-24 | 江苏南通三建集团股份有限公司 | Sectional hoisting process for super-large-span box-shaped steel beam |
| CN112324131A (en) * | 2020-10-29 | 2021-02-05 | 杭州二建建设有限公司 | One-frame dual-purpose large-span stiff beam construction structure and construction method thereof |
| CN114293783A (en) * | 2021-12-22 | 2022-04-08 | 中国建筑第八工程局有限公司 | High-altitude large-span steel beam mounting method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263000A (en) * | 2022-08-29 | 2022-11-01 | 中建八局第一建设有限公司 | Device for in-situ correction of super-long steel beam after high-position segmented hoisting and construction method |
| CN115263000B (en) * | 2022-08-29 | 2023-06-20 | 中建八局第一建设有限公司 | Device for in-situ correction after high-level sectional hoisting of ultra-long steel beam and construction method |
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Application publication date: 20220809 |