CN114635572A - Steel beam sliding construction method for steel reinforced concrete composite structure - Google Patents
Steel beam sliding construction method for steel reinforced concrete composite structure Download PDFInfo
- Publication number
- CN114635572A CN114635572A CN202210294603.1A CN202210294603A CN114635572A CN 114635572 A CN114635572 A CN 114635572A CN 202210294603 A CN202210294603 A CN 202210294603A CN 114635572 A CN114635572 A CN 114635572A
- Authority
- CN
- China
- Prior art keywords
- steel
- bailey
- sliding
- steel beam
- welding
- 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 195
- 239000010959 steel Substances 0.000 title claims abstract description 195
- 238000010276 construction Methods 0.000 title claims abstract description 58
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 35
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 238000003466 welding Methods 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 41
- 230000008569 process Effects 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 238000007689 inspection Methods 0.000 claims abstract description 7
- 238000013461 design Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 9
- 238000009415 formwork Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 235000014121 butter Nutrition 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000004567 concrete Substances 0.000 description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- E04G21/162—Handles to carry construction blocks
-
- 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
- E04G21/1841—Means for positioning building parts or elements
Abstract
The invention discloses a steel beam sliding construction method of a steel reinforced concrete composite structure, which solves the technical problems that a tower crane needs to be occupied for a long time in the processes of assembling, welding and installing stirrups of a steel beam and the construction efficiency is low. The invention comprises the following steps: step 1, designing and assembling a bailey truss; step 2, reinforcing a bailey frame support; step 3, setting a sliding track; step 4, hoisting and sliding the section steel beam; step 5, mounting the beam stirrups; step 6, construction of the supporting cushion blocks of the section steel beams; step 7, assembling and welding the segmented steel beams; step 8, nondestructive inspection; and 9, dismantling the bailey frames and constructing subsequent processes. According to the invention, in the construction process of the steel reinforced concrete composite beam structure, the bailey truss sliding construction technology is adopted during installation of the section steel beam, so that the technical problem that a tower crane needs to be occupied for a long time in the processes of assembling, welding and stirrup installation of the steel beam can be effectively solved, the construction efficiency can be effectively improved, the field welding engineering quantity is reduced, and the construction period is shortened.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a steel beam sliding construction method of a steel reinforced concrete composite structure.
Background
With the improvement of the design technology level, buildings are developing towards the trend of large span and ultrahigh degree, and a structural system which is low in construction cost, good in performance and fast in construction progress is undoubtedly the preferred type on the premise of ensuring the engineering quality. The steel reinforced concrete structure is an independent structure type of embedding the section steel into reinforced concrete. The section steel has inherent strength and ductility due to the addition of the section steel to the reinforced concrete. The section steel, the steel bar and the concrete work in a trinity mode, so that the section steel concrete structure has the advantages of large bearing capacity, large rigidity and good anti-seismic performance compared with the traditional reinforced concrete structure. Compared with a steel structure, the fireproof structure has the advantages of good fireproof performance, good structure local and overall stability and steel saving. The structure is popularized and applied in a targeted manner, and has extremely important significance for the development, optimization and improvement of the anti-seismic performance of the multi-story and high-rise buildings in China.
Experiments at home and abroad show that the section steel concrete structure has good hysteretic characteristic and energy consumption capability under the action of low-cycle repeated load. Especially, the ductility, the bearing capacity and the rigidity of the structural member of the steel reinforced concrete structure provided with the solid-web section steel are better than those of the structural member of the steel reinforced concrete structure provided with the hollow-web section steel. Based on no research on the fatigue performance of the steel reinforced concrete beam, the steel reinforced concrete beam is not suitable for a fatigue component.
The section steel concrete composite structure (SRC structure for short), also called a stiffened concrete structure or a steel-clad concrete structure, is formed by wrapping a layer of reinforced concrete outer shell outside a section steel structure. SRC structures are increasingly being used in large-span, super high-rise public buildings, and steel reinforced concrete composite structures improve the strength and toughness of the structures and provide more space for designers. Compared with a steel structure, the sectional steel composite structure (SRC structure) has the advantages of good durability and fire resistance, economic manufacturing cost, high structural rigidity, good stress performance and the like. Compared with a concrete structure, the section steel combined structure (SRC structure) has the advantages of high bearing capacity, light structure dead weight, good anti-seismic performance, environmental protection and the like.
In the prior art, in the construction process of the steel reinforced concrete composite beam structure, a tower crane needs to be occupied for a long time in the processes of assembling, welding and installing stirrups of a steel beam, so that the construction efficiency is low, the field welding work amount is large, and the construction period is long. Therefore, a steel beam sliding construction method of a steel reinforced concrete composite structure is designed to effectively solve the technical problem that a tower crane needs to be occupied for a long time in the processes of assembling, welding and installing stirrups of a steel beam, improve construction efficiency, reduce field welding engineering quantity, shorten construction period, and become a technical problem to be solved urgently by technical personnel in the technical field.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the steel beam sliding construction method for the steel reinforced concrete composite structure solves the technical problems that a tower crane needs to be occupied for a long time in the processes of assembling, welding and stirrup installation, and the construction efficiency is low.
In order to realize the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a steel beam sliding construction method of a steel reinforced concrete composite structure, which comprises the following steps:
step 1, designing and assembling a bailey truss;
step 2, reinforcing a bailey frame support;
step 3, setting a sliding track;
step 4, hoisting and sliding the section steel beam;
step 5, mounting the beam stirrups;
step 7, assembling and welding the segmented steel beams;
and 9, dismantling the bailey frames and constructing subsequent processes.
Further, in the step 1, when the bailey frames are designed and assembled, a single-layer double-row bailey frame is adopted, the maximum span of the bailey frame is 21m, the external dimension of the bailey frame is 3m × 1.5m, the bailey frame is divided into 7 pieces, and each piece of the bailey frame is 270 Kg; the track beam HM300 × 200, with a weight of 55Kg per meter; and hoisting the finished Bailey sheets to two sides of the section steel beam by using a tower crane for assembly, wherein the distance between the Bailey frames on the two sides is 2 m.
Further, in the step 2, when reinforcing the bailey truss support, the bailey truss support is arranged above the formwork, the bailey truss support needs to be reinforced in the process of erecting the full-space truss, after the formwork is installed, a steel plate with the thickness of 1.5m 1.5mm 2cm is laid at the bailey truss support, vertical rods and cross braces are added on the full-space truss below the steel plate for reinforcement, the reinforcing range is 2m, the distance between the vertical rods is half of the distance between the vertical rods of the original full-space truss, and vertical cross braces are added along the periphery of the steel plate; the bailey frames are provided with 1 supporting frame every 5m to prevent the bailey frames from overturning in the sliding process of the section steel beams.
Further, in the step 3, when the sliding track is arranged, in order to reduce friction force in the sliding process, 5-ton grade ground wheels are selected for sliding, and meanwhile, limiting steel bars are arranged in the middle of the ground wheels, so that unstable component directions in the sliding process are avoided; during sliding construction, butter is coated on the limiting reinforcing steel bars, so that the friction coefficient of the limiting reinforcing steel bars is reduced to 0.1, the friction force is 7KN, the sliding of the component is dragged by adopting a 1-ton chain block, and the chain block is loosened after the component is in place so that the component is placed at the installation position to be fixed.
Further, in the step 4, when the section steel beam is hoisted and slid, a truck crane is adopted on site to transfer the section steel beam to the position of the sliding track, and the weight of the section steel beam is less than or equal to 3.5 tons; in order to ensure the hoisting safety, steel lifting lugs are arranged at the two ends of the section steel beam, and in order to avoid the swinging of the component in the hoisting process, white heald ropes are used as sliding ropes at the two ends of the section steel beam to prevent the falling of objects at high altitude due to wind or collision; and hoisting the segmented section steel beam to the sliding rail part through an automobile crane or a tower crane, and sliding the section steel beam to the correct part through the sliding rail.
Further, in the step 5, when the beam stirrups are installed, after the section steel beams slide to the correct positions, the hand-operated hoist on the bailey frame is adopted to hoist the segmented section steel beams, two rows of C12 erection steel bars are welded on the studs on the upper portions of the section steel beams to serve as stirrup supports, then the number of the beam stirrups is calculated according to the beam stirrup spacing required by the design drawing, and the beam stirrups are sleeved on the section steel beams.
Further, in the step 6, during the construction of the section steel beam supporting cushion block, after the beam stirrups are installed, the section steel beam supporting cushion block is welded at the bottom of the section steel beam, the section steel beam supporting cushion blocks are welded at intervals of 1.5m, after the section steel beam supporting cushion blocks are welded, the position of the section steel beam is accurately positioned by sliding left and right, and the hand hoist is shaken to drop the section steel beam, so that the section steel beam supporting cushion block is located on the beam bottom die.
Further, in the step 7, when the sectional steel beams are assembled and welded, the sectional steel beams provided with the beam stirrups are assembled and welded by adopting a Bailey frame, the field butt welding adopts backing plate welding, and CO is adopted2Gas shielded welding; the weld joint is in the form of a single sided gasket; the groove adopts a single-side V-shaped groove, so that the field welding is transverse welding, and the welding quality is more easily ensured.
Further, in the step 8, when performing nondestructive inspection, after the welding of the section steel beam is completed, 100% of welding line detection is performed, and after the welding line detection is qualified, the next procedure construction can be performed.
Further, in the step 9, when the bailey truss is dismantled and the subsequent processes are performed, the bailey truss is dismantled after the welding seam of the section steel beam is welded and the flaw detection is qualified, and the installation of other beam reinforcements of the section steel beam and the processes are performed.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, in the construction process of the steel reinforced concrete composite beam structure, the bailey truss sliding construction technology is adopted during installation of the section steel beam, so that the technical problem that a tower crane needs to be occupied for a long time in the processes of assembling, welding and stirrup installation of the steel beam can be effectively solved, the construction efficiency can be effectively improved, the field welding engineering quantity is reduced, and the construction period is shortened. Meanwhile, the model of the tower crane can be reduced when the tower crane is arranged in a model selection mode, and the cost is saved. The sectional section length can be maximized during the sectional and sectional deepening design of the section steel beam, the field splicing welding work amount is reduced, and the construction period is shortened.
Drawings
FIG. 1 is a schematic view of a Bailey sheet according to the present invention.
Fig. 2 is a schematic view of a reinforcing part of the bailey truss support.
Fig. 3 is a schematic view of the beret slide rail of the present invention.
FIG. 4 is a schematic view of the arrangement of the land wheel of the present invention.
Fig. 5 is a schematic view of the hook arrangement of the present invention.
FIG. 6 is a schematic view of the present invention for fixing the steel beam.
FIG. 7 is a schematic view of the fixing end of the steel section beam according to the present invention.
FIG. 8 is a schematic view of the support blocks of the steel section beam of the present invention.
Fig. 9 is a left side view of fig. 8.
FIG. 10 is a schematic view of welding seams during assembling and welding of the sectional steel beam according to the present invention.
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 below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 10, the steel beam slippage construction method of the steel reinforced concrete composite structure provided by the invention comprises the following steps:
step 1, bailey truss design and assembly.
When the bailey frames are designed and assembled, as shown in fig. 1, a single-layer double-row bailey frame is adopted, the maximum span of the bailey frame is 21m, the external dimension of the bailey frame is 3m × 1.5m, 7 bailey pieces are divided in total, and each bailey frame is 270 Kg; the track beam HM300 × 200, with a weight of 55Kg per meter; and hoisting the finished Bailey sheets to two sides of the section steel beam by using a tower crane for assembly, wherein the distance between the Bailey frames on the two sides is 2 m.
And 2, reinforcing the bailey truss support.
When reinforcing the bailey truss support, as shown in fig. 2, as the bailey truss is arranged above the formwork, the bailey truss support needs to be reinforced in the process of erecting the full-space truss, after the formwork is installed, a steel plate with the thickness of 1.5m 1.5mm 2cm is laid at the bailey truss support, vertical rods and cross braces are added on the full-space truss below the steel plate for reinforcement, the reinforcement range is 2m, the distance between the vertical rods is half of the distance between the vertical rods of the original full-space truss, and vertical cross braces are added along the periphery; the bailey frames are provided with 1 supporting frame every 5m to prevent the bailey frames from overturning in the sliding process of the section steel beams.
And step 3, setting a sliding track.
When the sliding track is arranged, as shown in fig. 3 and 4, in order to reduce friction force in the sliding process, 5-ton grade land wheels are selected for sliding, and meanwhile, limiting steel bars are arranged in the middle of the land wheels, so that unstable component direction in the sliding process is avoided; when in sliding construction, the limiting steel bars are coated with butter, so that the friction coefficient is reduced to 0.1, the friction force is 7KN, the component is slid and pulled by a 1-ton chain block, and the chain block is loosened after the component is in place, so that the component is put down to the mounting position for fixing.
And 4, hoisting and sliding the section steel beam.
When the section steel beam is hoisted and slid, a truck crane is adopted on site to transfer the section steel beam to the position of the sliding track, and the weight of the section steel beam is less than or equal to 3.5 tons; as shown in figure 5, in order to ensure the hoisting safety, steel lifting lugs are arranged at the two ends of the section steel beam, and in order to avoid the swinging of the components during the hoisting process, the two ends of the section steel beam are provided with plain heddle ropes as sliding ropes so as to prevent the falling of objects at high altitude due to wind or collision; and hoisting the segmented section steel beam to the sliding rail part through an automobile crane or a tower crane, and sliding the section steel beam to the correct part through the sliding rail.
And 5, mounting the beam stirrups.
When beam stirrups are installed, after the section steel beam slides to a correct position, the sectional section steel beam is hoisted by adopting a hand hoist on the Bailey frame, two rows of C12 erection steel bars are welded on studs on the upper part of the section steel beam to serve as stirrup supports, then the number of the beam stirrups is calculated according to the beam stirrups interval required by design drawings, and the beam stirrups are sleeved on the section steel beam.
And 6, constructing the supporting cushion block of the section steel beam.
During the construction of the profiled steel beam supporting cushion blocks, as shown in fig. 6-9, after the beam stirrups are installed, the profiled steel beam supporting cushion blocks are welded at the bottoms of the profiled steel beams, one profiled steel beam supporting cushion block is welded at intervals of 1.5m, after the profiled steel beam supporting cushion blocks are welded, the positions of the profiled steel beams are accurately positioned by sliding left and right, and the profiled steel beams are dropped by shaking the hand hoist, so that the profiled steel beam supporting cushion blocks are located on the beam bottom die.
And 7, assembling and welding the segmented steel beams.
When assembling and welding the sectional steel beams, as shown in fig. 10, the sectional steel beams with the beam stirrups are assembled and welded by adopting a bailey frame, the field butt welding adopts backing plate welding, and CO is adopted2Gas shielded welding; the weld joint is in the form of a single sided gasket; the groove adopts a single-side V-shaped groove, so that the field welding is transverse welding, and the welding quality is more easily ensured.
And 8, performing nondestructive inspection.
When nondestructive inspection is carried out, after the section steel beam is welded, 100% of welding line detection is carried out, and the next procedure construction can be carried out after the welding line detection is qualified.
And 9, dismantling the bailey frames and constructing subsequent processes.
And when the Bailey frames are dismantled and the subsequent processes are carried out for construction, the Bailey frames are dismantled after the welding seams of the section steel beams are welded and the flaw detection is qualified, and the installation of other beam reinforcing steel bars of the section steel beams and the processes are carried out.
With the improvement of the technical level of design, buildings are developing towards the trend of large span and ultrahigh degree, and on the premise of ensuring the engineering quality, a structural system which is low in construction cost, good in performance and fast in construction progress is undoubtedly the preferred type. The section steel concrete composite structure (SRC structure for short), also called a stiffened concrete structure or a steel-clad concrete structure, is formed by wrapping a layer of reinforced concrete outer shell outside a section steel structure. SRC structures are increasingly being used in large-span, super high-rise public buildings, and steel reinforced concrete composite structures improve the strength and toughness of the structures and provide more space for designers. Compared with a steel structure, the sectional steel composite structure (SRC structure) has the advantages of good durability and fire resistance, economical manufacturing cost, high structural rigidity, good stress performance and the like. Compared with a concrete structure, the section steel combined structure (SRC structure) has the advantages of high bearing capacity, light structure dead weight, good anti-seismic performance, environmental protection and the like.
In the prior art, in the construction process of the steel reinforced concrete composite beam structure, a tower crane needs to be occupied for a long time in the processes of assembling, welding and installing stirrups of a steel beam, so that the construction efficiency is low, the field welding work amount is large, and the construction period is long.
Therefore, the invention designs a steel beam sliding construction method of a steel reinforced concrete composite structure, and adopts a Bailey truss sliding construction technology during the installation of the section steel beams in the construction process of the steel reinforced concrete composite beam structure, so that the technical problem that a tower crane is required to be occupied for a long time in the processes of steel beam assembly, welding and stirrup installation can be effectively solved, the construction efficiency can be effectively improved, the field welding engineering quantity is reduced, and the construction period is shortened. Meanwhile, the model of the tower crane can be reduced when the tower crane is arranged in a model selection mode, and the cost is saved. The sectional section length can be maximized during the sectional and sectional deepening design of the section steel beam, the field splicing welding work amount is reduced, and the construction period is shortened.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, but not to limit the technical solutions, and certainly not to limit the patent scope of the present invention; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention; that is, the technical problems to be solved by the present invention, which are not substantially changed or supplemented by the spirit and the concept of the main body of the present invention, are still consistent with the present invention and shall be included in the scope of the present invention; in addition, the technical scheme of the invention is directly or indirectly applied to other related technical fields, and the technical scheme of the invention is included in the patent protection scope of the invention.
Claims (10)
1. The steel beam sliding construction method of the steel reinforced concrete composite structure is characterized by comprising the following steps of:
step 1, designing and assembling a bailey truss;
step 2, reinforcing a bailey frame support;
step 3, setting a sliding track;
step 4, hoisting and sliding the section steel beam;
step 5, mounting the beam stirrups;
step 6, construction of the supporting cushion blocks of the section steel beams;
step 7, assembling and welding the segmented steel beams;
step 8, nondestructive inspection;
and 9, dismantling the bailey frames and constructing subsequent processes.
2. The steel beam sliding construction method of the steel reinforced concrete composite structure according to claim 1, wherein in the step 1, when the bailey frames are assembled, a single-layer double-row bailey frame is adopted, the maximum span of the bailey frame is 21m, the external dimension of the bailey frame is 3m x 1.5m, the bailey frames are divided into 7 pieces, and each bailey frame is 270 Kg; the track beam HM300 × 200, with a weight of 55Kg per meter; and hoisting the finished Bailey sheets to two sides of the section steel beam by using a tower crane for assembly, wherein the distance between the Bailey frames on the two sides is 2 m.
3. The steel beam sliding construction method of the steel reinforced concrete composite structure according to claim 1, wherein in the step 2, when reinforcing the bailey truss support, the bailey truss is arranged above the formwork, the bailey truss support is required to be reinforced in the process of erecting the full-span truss, after the formwork is installed, a 1.5m 1.5mm 2cm steel plate is laid at the bailey truss support, the vertical rods and the cross braces are added to the full-span truss below the steel plate for reinforcement, the reinforcement range is 2m, the distance between the vertical rods is half of the distance between the vertical rods of the original full-span truss, and the vertical cross braces are added along the periphery; the bailey frames are provided with 1 supporting frame at intervals of 5 meters so as to prevent the bailey frames from overturning in the sliding process of the section steel beams.
4. The steel beam sliding construction method of the steel reinforced concrete composite structure according to claim 1, wherein in the step 3, in order to reduce friction force in the sliding process, a land wheel of 5 tons is selected for sliding during the setting of the sliding track, and meanwhile, a limiting steel bar is arranged in the middle of the land wheel, so that the direction of a component is prevented from being unstable in the sliding process; when in sliding construction, the limiting steel bars are coated with butter, so that the friction coefficient is reduced to 0.1, the friction force is 7KN, the component is slid and pulled by a 1-ton chain block, and the chain block is loosened after the component is in place, so that the component is put down to the mounting position for fixing.
5. The steel beam sliding construction method of the steel reinforced concrete composite structure according to claim 1, wherein in the step 4, when the steel beam is hoisted and slid, a truck crane is adopted to transfer the steel beam to the position of the sliding track on site, and the weight of the steel beam is less than or equal to 3.5 tons; in order to ensure the hoisting safety, steel lifting lugs are arranged at the two ends of the section steel beam, and in order to avoid the swinging of the component in the hoisting process, white heald ropes are used as sliding ropes at the two ends of the section steel beam to prevent the falling of objects at high altitude due to wind or collision; and hoisting the segmented section steel beams to the sliding rail part through an automobile crane or a tower crane, and then sliding the section steel beams to the correct part through the sliding rail.
6. The steel beam sliding construction method of the steel reinforced concrete composite structure according to claim 5, wherein in the step 5, when the beam stirrups are installed, after the steel beams are slid to the correct positions, the sectional steel beams are lifted by using a hand hoist on a Bailey frame, two rows of C12 erection steel bars are welded on studs on the upper parts of the steel beams to serve as stirrup supports, then the number of the beam stirrups is calculated according to the beam stirrup spacing required by a design drawing, and the beam stirrups are sleeved on the steel beams.
7. The steel beam sliding construction method of claim 1, wherein in the step 6, during the construction of the steel beam support blocks, after the beam stirrups are installed, the steel beam support blocks are welded to the bottoms of the steel beams, one steel beam support block is welded at intervals of 1.5m, after the steel beam support blocks are welded, the positions of the steel beams are accurately positioned by sliding left and right, and the steel beams are dropped by swinging the hand hoist so that the steel beam support blocks are located on the bottom beam mold.
8. The steel beam sliding construction method of the steel reinforced concrete composite structure according to claim 1, wherein in the step 7, when the sectional steel beams are assembled and welded, the sectional steel beams with the beam stirrups are assembled and welded by adopting a Bailey frame, the sectional steel beams with the beam stirrups are welded in a butt joint mode in the field by adopting a base plate welding mode and CO2Gas shielded welding; the weld joint is in the form of a single sided gasket; the groove adopts a single-side V-shaped groove, so that the field welding is transverse welding, and the welding quality is more easily ensured.
9. The steel beam sliding construction method of claim 1, wherein in the step 8, when the nondestructive inspection is performed, after the welding of the section steel beam is completed, 100% of welding line detection is performed, and after the welding line detection is qualified, the next procedure can be performed.
10. The steel beam sliding construction method of the steel reinforced concrete composite structure according to claim 1, wherein in the step 9, when the bailey truss is removed and the subsequent processes are performed, the bailey truss is removed after the welding seam of the steel beam is welded and the flaw detection is qualified, and the installation and the processes of the steel bars of other beams of the steel reinforced concrete composite structure are performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210294603.1A CN114635572A (en) | 2022-03-24 | 2022-03-24 | Steel beam sliding construction method for steel reinforced concrete composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210294603.1A CN114635572A (en) | 2022-03-24 | 2022-03-24 | Steel beam sliding construction method for steel reinforced concrete composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114635572A true CN114635572A (en) | 2022-06-17 |
Family
ID=81950148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210294603.1A Pending CN114635572A (en) | 2022-03-24 | 2022-03-24 | Steel beam sliding construction method for steel reinforced concrete composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114635572A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2329549A1 (en) * | 1975-04-02 | 1977-05-27 | Gorsse Jacques | Breeze block lifting and transportation tool - has pin operated articulated flat section steel handles with pressure bar to maintain open position when not in use |
| JPH09195227A (en) * | 1996-01-17 | 1997-07-29 | Kawatetsu Kizai Kogyo Kk | Built-up trestle for bridge pier reinforcing work and using method thereof |
| CN101845872A (en) * | 2009-12-24 | 2010-09-29 | 上海市第七建筑有限公司 | Control method for strengthening beam steel protective layer |
| CN203699828U (en) * | 2013-11-12 | 2014-07-09 | 中建三局建设工程股份有限公司 | Simple tool-type lifting frame for mounting of steel reinforcement cages |
| CN204418535U (en) * | 2014-12-24 | 2015-06-24 | 中国二十冶集团有限公司 | Strengthening beam steel cushion block |
| CN205063366U (en) * | 2015-09-02 | 2016-03-02 | 中国建筑第八工程局有限公司 | Portal displacement device |
| CN106638325A (en) * | 2016-12-31 | 2017-05-10 | 中铁十八局集团第五工程有限公司 | Construction method applicable to steel member gliding assembling in narrow spaces |
| KR101917813B1 (en) * | 2018-08-28 | 2018-11-12 | 이진경 | Railroad lower part no dig excavation construction sructure and construction method using it |
| CN108999398A (en) * | 2018-06-29 | 2018-12-14 | 浙江展诚建设集团股份有限公司 | The Formwork Installation Method of steel and concrete composite structure beam |
| CN110040632A (en) * | 2019-04-01 | 2019-07-23 | 杭州通达集团有限公司 | A kind of segmental hoisting construction method of large span section steel beam |
| CN110700489A (en) * | 2019-10-30 | 2020-01-17 | 广西建工集团第四建筑工程有限责任公司 | Construction method of rear hoop method section steel beam |
| CN110924537A (en) * | 2019-10-31 | 2020-03-27 | 江林 | Construction process of H-shaped steel concrete transfer beam-reinforced concrete column joint |
| CN111206783A (en) * | 2020-01-15 | 2020-05-29 | 倡创(上海)咨询管理事务所 | Shaped steel beam mounting structure and construction method |
| 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 |
| CN113431346A (en) * | 2021-07-29 | 2021-09-24 | 中建科工集团有限公司 | Slippage jig frame for large-span steel truss construction and construction method |
| CN114086781A (en) * | 2021-12-09 | 2022-02-25 | 北京建工集团有限责任公司 | Independently-walking high and large space sliding platform and construction method thereof |
| CN114086665A (en) * | 2021-11-30 | 2022-02-25 | 中国五冶集团有限公司 | Connecting construction method for steel bars in beam column joint area of section steel composite structure |
-
2022
- 2022-03-24 CN CN202210294603.1A patent/CN114635572A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2329549A1 (en) * | 1975-04-02 | 1977-05-27 | Gorsse Jacques | Breeze block lifting and transportation tool - has pin operated articulated flat section steel handles with pressure bar to maintain open position when not in use |
| JPH09195227A (en) * | 1996-01-17 | 1997-07-29 | Kawatetsu Kizai Kogyo Kk | Built-up trestle for bridge pier reinforcing work and using method thereof |
| CN101845872A (en) * | 2009-12-24 | 2010-09-29 | 上海市第七建筑有限公司 | Control method for strengthening beam steel protective layer |
| CN203699828U (en) * | 2013-11-12 | 2014-07-09 | 中建三局建设工程股份有限公司 | Simple tool-type lifting frame for mounting of steel reinforcement cages |
| CN204418535U (en) * | 2014-12-24 | 2015-06-24 | 中国二十冶集团有限公司 | Strengthening beam steel cushion block |
| CN205063366U (en) * | 2015-09-02 | 2016-03-02 | 中国建筑第八工程局有限公司 | Portal displacement device |
| CN106638325A (en) * | 2016-12-31 | 2017-05-10 | 中铁十八局集团第五工程有限公司 | Construction method applicable to steel member gliding assembling in narrow spaces |
| CN108999398A (en) * | 2018-06-29 | 2018-12-14 | 浙江展诚建设集团股份有限公司 | The Formwork Installation Method of steel and concrete composite structure beam |
| KR101917813B1 (en) * | 2018-08-28 | 2018-11-12 | 이진경 | Railroad lower part no dig excavation construction sructure and construction method using it |
| CN110040632A (en) * | 2019-04-01 | 2019-07-23 | 杭州通达集团有限公司 | A kind of segmental hoisting construction method of large span section steel beam |
| CN110700489A (en) * | 2019-10-30 | 2020-01-17 | 广西建工集团第四建筑工程有限责任公司 | Construction method of rear hoop method section steel beam |
| CN110924537A (en) * | 2019-10-31 | 2020-03-27 | 江林 | Construction process of H-shaped steel concrete transfer beam-reinforced concrete column joint |
| CN111206783A (en) * | 2020-01-15 | 2020-05-29 | 倡创(上海)咨询管理事务所 | Shaped steel beam mounting structure and construction method |
| 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 |
| CN113431346A (en) * | 2021-07-29 | 2021-09-24 | 中建科工集团有限公司 | Slippage jig frame for large-span steel truss construction and construction method |
| CN114086665A (en) * | 2021-11-30 | 2022-02-25 | 中国五冶集团有限公司 | Connecting construction method for steel bars in beam column joint area of section steel composite structure |
| CN114086781A (en) * | 2021-12-09 | 2022-02-25 | 北京建工集团有限责任公司 | Independently-walking high and large space sliding platform and construction method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 唐人;: "浅析型钢混凝土梁的施工" * |
| 张伟强: "广东省农科院培训大楼工程大跨度劲性梁施工方法" * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107090925B (en) | Reinforced precast reinforced concrete shear wall, structural system and construction method thereof | |
| CN102493360B (en) | Reinforced concrete arch bridge construction method | |
| CN113719139B (en) | Construction method for hoisting irregular space net rack of stadium | |
| CN205894291U (en) | Assemble integral precast prestressed reinforced concrete roof beam and frame support connnection structure | |
| CN108755964B (en) | Partially prefabricated assembly type steel concrete mixing column and construction method | |
| CN109680835B (en) | Self-supporting precast concrete wallboard, concrete wall, structural system and construction method | |
| CN112695952B (en) | Building roof truss support structure and construction method | |
| CN113216516A (en) | Superposed column with ultra-short stud and double-layer high-strength spiral stirrup and construction method | |
| CN108972872B (en) | Mesh-type steel reinforcement cage for bridge member | |
| CN212715350U (en) | Section steel concrete beam column structure | |
| CN112320553B (en) | Lifting installation method and lifting tool for peripheral cantilever structure of cylinder | |
| CN113914223A (en) | High-pier arc-shaped upper cross beam light-weight bracket system and mounting method thereof | |
| CN105821962A (en) | Assembled integrated connection structure for prefabricated prestressed reinforced concrete beam and frame columns | |
| CN207017483U (en) | The full precast shear wall structural system of regenerative steel skeleton | |
| CN112854438A (en) | Assembly type concrete frame system with exposed flat net rack floor and exposed truss girder | |
| CN111236091A (en) | Concrete lining reinforcing structure of corrugated steel web box girder bridge | |
| CN111021630A (en) | Section steel concrete column and semi-assembly type construction method thereof | |
| CN217268233U (en) | Non-dismantling bottom die floor plate for different-surface construction | |
| CN114635572A (en) | Steel beam sliding construction method for steel reinforced concrete composite structure | |
| CN214884632U (en) | Assembled shaped steel composite wall | |
| CN213978596U (en) | Thin-wall steel box concrete combined bridge tower | |
| CN211769949U (en) | Movable arm type tower crane underframe ballast type foundation | |
| CN110685483A (en) | Large-scale coal storage bin top plate prefabricating and assembling method | |
| CN220550677U (en) | Profile steel concrete composite structure | |
| CN216613818U (en) | Tower crane supporting structure |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220617 |