CN110761485A - Method for installing C-shaped closed stock ground portal steel frame structure - Google Patents
Method for installing C-shaped closed stock ground portal steel frame structure Download PDFInfo
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- CN110761485A CN110761485A CN201910932824.5A CN201910932824A CN110761485A CN 110761485 A CN110761485 A CN 110761485A CN 201910932824 A CN201910932824 A CN 201910932824A CN 110761485 A CN110761485 A CN 110761485A
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- 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
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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
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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
- E04G21/16—Tools or apparatus
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Abstract
The invention provides a method for installing a C-shaped closed stock ground portal steel frame structure, which comprises the following steps: a segmentation step, in which any one combined steel frame in the portal steel frame structure is segmented in advance; assembling, namely assembling the structures on the ground; mounting, namely mounting a safety device on each section of structure on the ground in advance; hoisting and fixing, namely hoisting the sections of the structures with the safety devices to preset installation positions in sequence, and fixing the sections according to a preset sequence to realize the installation of one combined steel frame; repeating the steps to install the other combined steel frames; and an attachment member mounting step of mounting an attachment member between two adjacent combined steel frames after any two adjacent combined steel frames are mounted. The invention is convenient for the transportation of each part and the assembly on the ground, effectively ensures the controllability of the safety device during installation, shortens the installation time, ensures the quality and the precision after the installation and also reduces the resource consumption.
Description
Technical Field
The invention relates to the technical field of steel structure construction, in particular to a method for installing a C-shaped closed stock ground portal steel frame structure.
Background
With the upgrading of user energy, the raw material consumption is continuously increased, the national requirements on environmental protection are more and more strict, a raw material yard is one of main pollution sources of metallurgical enterprises, and in order to reduce environmental pollution and material loss, the adoption of a closed type raw material yard for an open-air raw material yard is an important measure for reducing environmental pollution by newly building or modifying environment-friendly raw material yards at home and abroad.
Because the C-shaped closed workshop of the material yard of the sky leaks has larger span and higher height, the steel structure construction difficulty of the workshop is very high, and the requirements on the segmentation requirements, the node connection form, the finished product protection, the installation precision and the like of the members in the aspects of member manufacturing, transportation, assembly, installation and the like are very high. In addition, the construction of the peripheral stock yard production lines affects the construction of the C-shaped closed stock yard structure. The traditional installation method of the C-shaped closed stock ground structure comprises two methods: one is to assemble and install scattered components on site, so that the installation efficiency and the installation precision are low, the mechanical shift and labor force consumption are high, and the construction cost is greatly increased; the other type is the integral hoisting of the steel frame structure, but the steel frame structure is huge, the transportation is difficult, the construction site occupies a large area, the construction period is long, the mechanical tonnage is high during hoisting, and the mechanical bench cost is greatly increased.
Disclosure of Invention
In view of the above, the invention provides a method for installing a C-shaped closed stock ground portal steel frame structure, and aims to solve the problems that the existing C-shaped closed stock ground structure is easy to cause reduction in installation efficiency and precision, high in construction cost and long in period.
The invention provides a method for installing a C-shaped closed stock ground portal steel frame structure, which comprises the following steps: a segmentation step, in which any one combined steel frame in the portal steel frame structure is segmented in advance; the portal steel frame structure includes: a plurality of combined steel frames and a plurality of accessory components are arranged in parallel, and any two adjacent combined steel frames are connected through the plurality of accessory components; assembling, namely assembling the structures on the ground; mounting, namely mounting a safety device on each section of structure on the ground in advance; hoisting and fixing, namely hoisting the sections of the structures with the safety devices to preset installation positions in sequence, and fixing the sections according to a preset sequence to realize the installation of one combined steel frame; repeating the steps to install the other combined steel frames; and an attachment member mounting step of mounting an attachment member between two adjacent combined steel frames after any two adjacent combined steel frames are mounted.
Further, in the installation method of the C-shaped closed stockyard portal steel frame structure, in the step of segmenting, when each combined steel frame is segmented, the segmentation is performed according to the installation site and the transportation conditions of each part in the combined steel frame, each segmented position is arranged at the position with the minimum shearing force and is favorable for installation, and each segment structure is symmetrically distributed relative to the vertical central axis of the combined steel frame.
Further, in the installation method of the gate-type steel frame structure of the C-shaped closed stockyard, in the step of segmenting, each combined steel frame comprises: eight segments, which are: two stand sections that are connected with ground, support section, the top section that is connected with the platform of unloading, arrange two left main part sections of combination steelframe in and arrange two main part sections on combination steelframe right side in.
Further, in the installation method of the gate-type steel frame structure of the C-shaped closed stock ground, in the assembling step, the structures of the sections are assembled on the ground and at the positions corresponding to the preset installation positions respectively.
Further, in the installation method of the door-type steel frame structure of the C-shaped closed stock ground, in the assembling step, the two main body sections arranged on the left side of the combined steel frame are assembled into a first installation section, and the top section and the two main body sections arranged on the right side of the combined steel frame are assembled into a second installation section; or the two main body sections arranged on the right side of the combined steel frame are assembled into a first mounting joint, and the top section and the two main body sections arranged on the left side of the combined steel frame are assembled into a second mounting joint.
Further, in the installation method of the gate-type steel frame structure of the C-shaped closed stockyard, in the installation step, the installation device includes: the safety ladder comprises a plurality of vertical rods, a plurality of crawling ladders, a plurality of safety ropes and two vertical crawling ladder protection cages; each upright rod is detachably arranged on the top section and the four main body sections respectively, and a safety rope is arranged between any two adjacent upright rods; each ladder stand is detachably arranged on the top section and the four main body sections respectively; the two vertical ladder protecting cages are respectively arranged on the two upright post sections in a one-to-one correspondence manner and in a detachable manner.
Further, in the installation method of the gate-type steel frame structure of the C-shaped closed stock yard, the hoisting and fixing step further comprises: the first hoisting substep, hoist and mount the support section and fix to the platform of unloading first, and hoist two pillar stands sections after installing the safety device to the preset position separately and then fix with the ground; a second hoisting substep, hoisting the first installation section and the second installation section to a preset position after the safety device is installed; and the fixing substep is used for fixing the joints of the sections in sequence from one side of the combined steel frame to the other side of the combined steel frame.
Further, in the installation method of the C-shaped closed stock ground portal steel frame structure, in the second hoisting substep, two cranes are adopted to hoist the first installation section or the second installation section simultaneously.
Further, in the installation method of the gate steel frame structure of the C-shaped closed stockyard, the step between the second hoisting substep and the fixing substep further comprises: and (5) installing a construction hanging basket.
Further, in the installation method of the gate-type steel frame structure of the C-shaped closed stockyard, in the installation step of the accessory components, at least one accessory component is assembled into one accessory component on the ground in advance, a plurality of accessory components are hoisted at the same time, and then all the accessory components are respectively installed to preset installation positions.
According to the invention, the door type steel frame structure is reasonably segmented, so that the transportation of each part and the assembly on the ground are facilitated, the installation and butt joint precision is ensured, then each segment is assembled, the safety device is installed, and then the door type steel frame structure is hoisted and fixed, so that the controllability of the safety device during installation can be effectively ensured, the accurate installation of the safety device is ensured, the installation time is shortened, the installation efficiency is improved, the quality and the precision after the installation are ensured, the problems of high construction cost and long period caused by the fact that the installation efficiency and the precision are reduced easily in the existing C-shaped closed stock yard structure construction are solved, the construction investment of construction machinery, manpower, materials and the like can be reduced, the resource consumption is reduced, meanwhile, the safety device is preset, the safety risk is effectively controlled, and the personal safety of workers is ensured.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a flowchart of a method for installing a gate-type steel frame structure of a C-type closed stockyard according to an embodiment of the present invention;
fig. 2 is a flowchart of a hoisting fixing step in the installation method of the C-shaped closed stock yard portal steel frame structure according to the embodiment of the invention;
fig. 3 is another flow chart of the hoisting and fixing step in the installation method of the door-type steel frame structure of the C-shaped closed stockyard according to the embodiment of the present invention;
fig. 4 is a schematic structural view of a combined steel frame in the installation method of the gate-type steel frame structure for a C-shaped closed stockyard according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a combined steel frame with a single mounting safety device in the method for mounting a gate-type steel frame structure of a C-shaped closed stockyard according to the embodiment of the present invention;
fig. 6 is a schematic structural diagram of an accessory component in the installation method of the C-shaped closed stockyard portal steel frame structure according to the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, fig. 1 is a flowchart of a method for installing a gate steel frame structure of a C-type closed stock yard according to an embodiment of the present invention. The installation method of the C-shaped closed stock ground portal steel frame structure comprises the following steps:
a segmentation step S1, segmenting any one combined steel frame in the portal steel frame structure in advance; the portal steel frame structure includes: the combined steel frame comprises a plurality of combined steel frames and a plurality of accessory components, wherein the combined steel frames are arranged in parallel, and any two adjacent combined steel frames are connected through the plurality of accessory components.
Specifically, a preset distance exists between two adjacent combined steel frames, and the preset distance can be determined according to actual conditions, which is not limited in this embodiment. Any two adjacent combined steel frames are connected together through a plurality of accessory components, so that a stable space integral, namely a portal steel frame structure, is formed. The auxiliary members may be tie beams, braces, gussets, purlins, and the like.
And (4) randomly selecting one combined steel frame from the portal steel frame structure, and segmenting the combined steel frame according to the drawing. The principle of segmenting each combined steel frame is the same. When each combined steel frame is segmented, the segmentation principle is as follows: 1. segmenting according to the installation site and the transportation conditions of each component in one combined steel frame, namely segmenting according to the installation site and the transportation conditions, road transportation conditions and conditions of each component in one combined steel frame; 2. each section position is arranged at the position with the minimum shearing force, and each section position is favorable for installation, namely, is convenient for rolling-off butt joint during field installation; 3. each section of structure is symmetrically distributed relative to the vertical central axis of the combined steel frame, namely, each section of structure is symmetrically divided according to the vertical central axis of the combined steel frame during segmentation; 4. the number of segments is reduced as much as possible to improve the mounting accuracy.
Referring to fig. 4, preferably, each combined steel frame may include: eight segments, which are: two column sections 1, a support section 2, a top section 3 and four main body sections 4. Wherein, two stand sections 1 all are connected with ground, and support section 2 is connected with platform 9 of unloading. Two of the main body sections 4 are disposed on the left side of the combined steel frame (relative to fig. 4), the other two main body sections 4 are disposed on the right side of the combined steel frame (relative to fig. 4), the four main body sections 4 are symmetrically distributed relative to the vertical central axis of the combined steel frame, and the top section 3 is also symmetrically distributed relative to the vertical central axis of the combined steel frame. More specifically, two of the body segments 4 are disposed to the left of the top segment 3, and the other two body segments 4 are disposed to the right of the top segment 3.
An assembling step S2 of assembling the respective structures on the ground.
Specifically, the structures are assembled on the ground at preset mounting positions corresponding to each combined steel frame respectively, so that simultaneous spanning at two sides is realized.
On the ground, the two upright column sections 1 are respectively and independently assembled into a whole, and the support sections 2 are independently assembled into a whole. Assembling the two main body sections 4 arranged on the left side of the combined steel frame into a whole, assembling the top section 3 along with the two main body sections 4 arranged on the left side of the combined steel frame according to the advantages and disadvantages of site conditions on two sides or assembling along with the two main body sections 4 arranged on the right side of the combined steel frame, assembling the two main body sections 4 arranged on the left side of the combined steel frame into a first installation section, and assembling the top section 3 and the two main body sections 4 arranged on the right side of the combined steel frame into a second installation section; or, the two main body sections 4 arranged on the right side of the combined steel frame are assembled into a first mounting joint, and the top section 3 and the two main body sections 4 arranged on the left side of the combined steel frame are assembled into a second mounting joint.
The installation step S3 is to pre-install safety devices on the ground for each structure segment.
Specifically, when any one combined steel frame is installed, since the slope is steep, the walking of personnel and the working surface are narrow, which brings great challenge to the construction safety, and in order to ensure the construction safety and improve the working efficiency of workers, safety devices are respectively installed on each section of structure after the assembly of each section of structure is completed.
Referring to fig. 5, the safety device may include: a plurality of pole setting 5, a plurality of cat ladder 6, a plurality of safety rope 7 and two vertical ladder protect cage 8. Each upright 5 is detachably arranged on the top section 3 and the four main sections 4, respectively, specifically, the top section 3 is provided with a plurality of uprights 5, and each main section 4 is also provided with a plurality of uprights 5. Each upright 5 is arranged vertically in the top section 3 and in the four main body sections 4. All be provided with a safety rope 7 between two arbitrary adjacent pole settings 5 to enclose the fender to the staff.
Each ladder stand 6 is detachably arranged on the top section 3 and the four main body sections 4 respectively, namely, the ladder stands 6 are arranged on the top section 3 and the four main body sections 4 respectively, and the ladder stands 6 on the sections are connected with each other, thereby forming an integral ladder stand.
Two vertical ladder protect the cage 8 respectively with two main part sections 4 one-to-one, every vertical ladder protects the equal detachably of cage 8 and sets up in the stand section 1 that corresponds, be convenient for installation and dismantlement.
A hoisting fixing step S4, sequentially hoisting the sections of the structure with the safety device to preset mounting positions, and fixing the sections according to a preset sequence to realize the mounting of one combined steel frame; and repeating the steps to install the other combined steel frames.
Specifically, the step further comprises:
the first hoisting substep S41, hoist and mount the support section and fix to the platform of unloading earlier to hoist two stand sections after installing safety device to preset position respectively and fix with ground.
Specifically, the supporting section 2 is hoisted to the unloading platform 9 by a crane, and the supporting section 2 is fixed. Then, the two upright sections 1 provided with the vertical ladder protective cage 8 are hoisted to preset positions by using a crane, and the two upright sections 1 are fixed, so that the two upright sections 1 are in a stable state.
And a second lifting substep S42 of lifting the first and second mounting sections to a preset position after the safety device is installed.
Specifically, the first mounting section and the second mounting section which are provided with the vertical rod 5, the safety rope 7 and the ladder 6 are hoisted to a preset position through a crane.
When the first installation section is hoisted, two cranes are adopted to hoist simultaneously, specifically, one crane is a main crane and the other crane is an auxiliary crane, and the two cranes are matched with each other and hoist simultaneously, so that the double-crane span internal hoisting is realized, the field space is fully utilized, the hoisting of the ultra-long steep slope component is facilitated, and the hoisting difficulty is reduced.
When the second installation section is hoisted, two cranes are also adopted to hoist simultaneously, specifically, one crane is a main crane and the other crane is an auxiliary crane, and the two cranes are matched with each other to hoist simultaneously, so that the double-crane span internal hoisting is realized, the field space is fully utilized, the hoisting of the ultra-long steep slope component is facilitated, and the hoisting difficulty is reduced.
And a fixing sub step S43, wherein the joints of the sections are fixed in sequence from one side of the combined steel frame to the other side.
In this embodiment, the interface between the upright column section 1 on the right side of the combined steel frame and the adjacent main body section 4 may be fixed, then the interface between the two main body sections 4 on the right side of the combined steel frame may be fixed, then the interface between the main body section 4 on the right side of the combined steel frame and the top section 3 may be fixed, then the interface between the top section 3 and the adjacent upright column section 1 on the left side of the combined steel frame may be fixed, then the interface between the two main body sections 4 on the left side of the combined steel frame may be fixed, and then the interface between the main body section 4 on the left side of the combined steel frame and the upright column section 1 on the left side of the combined. Of course, the connection positions of the segments may be fixed in sequence in the reverse order to that described above.
In specific implementation, the connection mode between two adjacent sections of structures can adopt high-strength bolts for connection.
The above-described segmentation step S1, assembly step S2, installation step S3, and hoisting fixing step S4 are repeated to install the remaining combined steel frames.
In the attachment member mounting step S5, when any two adjacent combined steel frames are mounted, the attachment member between the two adjacent combined steel frames is mounted.
Specifically, at least one accessory component is assembled into an accessory assembly on the ground in advance, a plurality of accessory assemblies are hoisted simultaneously, and then the accessory assemblies are respectively installed to preset installation positions.
Referring to fig. 6, in the present embodiment, one of the attachment members 11 and the other attachment members 11 associated with the attachment member 11 are assembled in advance into an attachment assembly 12. After the plurality of attachment assemblies 12 are assembled, the plurality of attachment assemblies 12 are hoisted to a preset safety position by a crane at the same time, and finally, the plurality of attachment assemblies 12 are installed respectively. Therefore, the hoisting efficiency is greatly improved, and the construction period is saved.
In this embodiment, the attachment member 11 may be a purlin, and the corresponding other attachment members 11 may be tie rods, angle braces, etc., and the purlin, tie rods, and angle braces are fixed in advance to form one attachment assembly 12.
The specific installation mode can be as follows: and (4) randomly selecting one combined steel frame from the portal steel frame structure, and marking the combined steel frame as a first combined steel frame. And then installing the first combined steel frame according to the segmenting step S1, the assembling step S2, the installing step S3 and the hoisting and fixing step S4. And marking the combined steel frames adjacent to the first combined steel frame as second combined steel frames, and then installing the second combined steel frames according to the segmenting step S1, the assembling step S2, the installing step S3 and the hoisting and fixing step S4. After the first combined steel frame and the second combined steel frame are installed, the auxiliary components between the first combined steel frame and the second combined steel frame are installed, so that the first combined steel frame and the second combined steel frame are fixed together. Then, the combined steel frame adjacent to the second combined steel frame is the third combined steel frame, the third combined steel frame is installed according to the segmenting step S1, the assembling step S2, the installing step S3 and the hoisting and fixing step S4, and the auxiliary members between the third combined steel frame and the second combined steel frame are installed. And sequentially mounting the combined steel frames together according to the method, thereby realizing the mounting of the portal steel frame structure.
Of course, the specific installation method may also be as follows: and after the first combined steel frame and the second combined steel frame are fixed together, marking the first combined steel frame as a first combined unit. Then, two combined steel frames adjacent to the second combined steel frame are regarded as a second combined unit, and the two combined steel frames in the second combined unit are installed together according to the segmenting step S1, the assembling step S2, the installing step S3, the hoisting and fixing step S4 and the accessory member installing step S5. And then the first combination unit and the second combination unit are connected together through a plurality of accessory components. Then, the combined units are sequentially installed together according to the method, so that the installation of the portal steel frame structure is realized.
Of course, during specific installation, a plurality of combined steel frames can be installed at the same time, and then the auxiliary members between two adjacent combined steel frames are installed at the same time, so that the installation of the door-type steel frame structure is realized. Of course, the specific installation method may be other ways, and this embodiment does not limit this.
In specific implementation, after one combined steel frame is installed, the combined steel frame is fixed through a tensioning support device, then an auxiliary component between two adjacent combined steel frames is installed after the adjacent combined steel frames are installed, and the support of the tensioning support device is removed after the auxiliary component is installed.
It can be seen that, in the embodiment, the door type steel frame structure is reasonably segmented, so that transportation of parts and assembly on the ground are facilitated, the installation butt joint precision is ensured, then the segments are assembled and the safety devices are installed, and then the door type steel frame structure is hoisted and fixed, so that the controllability of the safety devices during installation can be effectively ensured, the accurate installation of the safety devices is ensured, the installation time is shortened, the installation efficiency is improved, the quality and precision after installation are ensured, the problems that the installation efficiency is easily caused by the construction of the existing C-shaped closed stock yard structure, the precision is reduced, the construction cost is high, the period is long are solved, the construction investment of construction machinery, labor, materials and the like can be reduced, the resource consumption is reduced, meanwhile, the safety devices are preset, the safety risk is effectively controlled, and the personal safety of workers is ensured.
Referring to fig. 3, fig. 3 is another flowchart of the hoisting and fixing steps in the installation method of the C-shaped closed stockyard portal steel frame structure according to the embodiment of the present invention. As shown in the figure, the hoisting and fixing step comprises the following steps:
the first hoisting substep S41, hoist and mount the support section and fix to the platform of unloading earlier to hoist two stand sections after installing safety device to preset position respectively and fix with ground.
And a second lifting substep S42 of lifting the first and second mounting sections to a preset position after the safety device is installed.
And a substep S44, installing the construction basket.
Specifically, the construction basket 10 is installed according to actual conditions after hoisting of each section of structure is completed. The number of construction baskets 10 may be at least two, and the position of each construction basket 10 and the number of construction baskets 10 are determined according to the actual situation, which is not limited in this embodiment.
And a fixing sub step S43, wherein the joints of the sections are fixed in sequence from one side of the combined steel frame to the other side.
It should be noted that, for the specific implementation of the first lifting substep S41, the second lifting substep S42 and the fixing substep S43, reference may be made to the above description, which is not repeated herein.
It can be seen that, in this embodiment, install construction hanging flower basket 10 after all hoist the completion with each section structure, not only be convenient for confirm the position of construction hanging flower basket 10 according to actual conditions, still be convenient for staff's construction, reduced the safety risk.
In conclusion, in the embodiment, the door-type steel frame structure is reasonably segmented, so that transportation of each part and assembly on the ground are facilitated, the installation and butt joint precision is ensured, each segment is assembled and the safety device is installed, then the door-type steel frame structure is hoisted and fixed, the controllability of the safety device during installation can be effectively ensured, the accurate installation of the safety device is ensured, the installation time is shortened, the installation efficiency is improved, the quality and precision after installation are ensured, the construction investment of construction machinery, labor, materials and the like can be reduced, the resource consumption is reduced, meanwhile, the safety device is preset, the safety risk is effectively controlled, and the personal safety of workers is ensured.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method for installing a C-shaped closed stock ground portal steel frame structure is characterized by comprising the following steps:
a segmentation step, in which any one combined steel frame in the portal steel frame structure is segmented in advance; the portal steel frame structure includes: the combined steel frame comprises a plurality of combined steel frames and a plurality of accessory components, wherein the combined steel frames are arranged in parallel, and any two adjacent combined steel frames are connected through the accessory components;
assembling, namely assembling the structures on the ground;
mounting, namely mounting a safety device on each section of structure on the ground in advance;
hoisting and fixing, namely hoisting the sections of the structures with the safety devices to preset installation positions in sequence, and fixing the sections according to a preset sequence to realize the installation of one combined steel frame; repeating the steps to install the other combined steel frames;
and an attachment member mounting step of mounting an attachment member between two adjacent combined steel frames after any two adjacent combined steel frames are mounted.
2. The method for installing the portal steel frame structure of the C-type closed stockyard according to claim 1, wherein in the sectioning step,
and when each combined steel frame is segmented, segmenting according to an installation site and the transportation conditions of all parts in the combined steel frame, wherein each segmented position is arranged at the position with the minimum shearing force and is beneficial to installation, and each segment structure is symmetrically distributed relative to the vertical central axis of the combined steel frame.
3. The method for installing the portal steel frame structure of the C-type closed stockyard according to claim 2, wherein in the sectioning step,
each combined steel frame comprises: eight segments, which are: the combined steel frame comprises two upright column sections connected with the ground, a supporting section connected with an unloading platform, a top section, two main body sections arranged on the left side of the combined steel frame and two main body sections arranged on the right side of the combined steel frame.
4. The method for installing the portal steel frame structure of the C-type closed stockyard according to claim 1, wherein in the assembling step,
and respectively assembling the sections of structures on the ground corresponding to the preset installation positions.
5. The method for installing the portal steel frame structure of the C-type closed stockyard according to claim 3, wherein in the assembling step,
the two main body sections arranged on the left side of the combined steel frame are assembled into a first mounting joint, and the top section and the two main body sections arranged on the right side of the combined steel frame are assembled into a second mounting joint; alternatively, the first and second electrodes may be,
the two main body sections arranged on the right side of the combined steel frame are assembled into a first mounting joint, and the top section and the two main body sections arranged on the left side of the combined steel frame are assembled into a second mounting joint.
6. The method for installing the gate-type steel frame structure of the C-type closed stock yard according to claim 3, wherein in the step of installing,
the mounting device includes: the safety ladder comprises a plurality of vertical rods, a plurality of crawling ladders, a plurality of safety ropes and two vertical crawling ladder protection cages; each upright rod is detachably arranged on the top section and the four main body sections respectively, and one safety rope is arranged between any two adjacent upright rods; each ladder stand is detachably arranged on the top section and the four main body sections respectively; two the vertical ladder protects the cage and sets up in two respectively one-to-one ground and detachably the stand section.
7. The method for installing the gate-type steel frame structure of the C-shaped closed stock ground according to claim 5, wherein the step of hoisting and fixing further comprises the steps of:
the first hoisting substep, hoist and mount the said support section and fix to the said unloading platform first, and hoist two pillar stand sections after installing the safety device to the pre-set position separately and then fix with the ground;
a second hoisting substep, hoisting the first installation section and the second installation section to a preset position after the safety device is installed;
and the fixing substep is used for fixing the joints of the sections in sequence from one side of the combined steel frame to the other side of the combined steel frame.
8. The method for installing the gate-type steel frame structure of the C-shaped closed stock ground according to claim 7, wherein in the second lifting sub-step,
and hoisting the first mounting section or the second mounting section by adopting two cranes simultaneously.
9. The method for installing the C-shaped closed stock ground portal steel frame structure according to claim 7, further comprising the following steps between the second hoisting sub-step and the fixing sub-step:
and (5) installing a construction hanging basket.
10. The method for installing the portal steel frame structure for the C-type closed stockyard according to claim 1, wherein in the step of installing the auxiliary members,
at least one accessory component is assembled into an accessory assembly on the ground in advance, a plurality of accessory assemblies are hoisted simultaneously, and then the accessory assemblies are respectively installed to preset installation positions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910932824.5A CN110761485A (en) | 2019-09-29 | 2019-09-29 | Method for installing C-shaped closed stock ground portal steel frame structure |
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| CN201910932824.5A CN110761485A (en) | 2019-09-29 | 2019-09-29 | Method for installing C-shaped closed stock ground portal steel frame structure |
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| CN201910932824.5A Pending CN110761485A (en) | 2019-09-29 | 2019-09-29 | Method for installing C-shaped closed stock ground portal steel frame structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374343A (en) * | 2020-10-28 | 2021-02-19 | 上海二十冶建设有限公司 | Assembling and hoisting method for portal box body beam of semi-portal scraper reclaimer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10266573A (en) * | 1997-03-28 | 1998-10-06 | Taisei Corp | Device and method of installing pc slab |
| JP2007332549A (en) * | 2006-06-12 | 2007-12-27 | Chubu Electric Power Co Inc | Reinforcement method for steel structural member |
| CN104210800A (en) * | 2014-09-23 | 2014-12-17 | 中冶赛迪工程技术股份有限公司 | Long sealed material storage yard |
| CN104612448A (en) * | 2015-02-07 | 2015-05-13 | 辽宁福瑞达建筑科技有限公司 | Steel structure grain bin and mounting method thereof |
| CN104847017A (en) * | 2015-05-25 | 2015-08-19 | 中国航空规划建设发展有限公司 | Novel prestress industrial stockyard canopy structure and method for constructing same |
| CN105040986A (en) * | 2015-05-29 | 2015-11-11 | 河南鸿宇工业装备工程有限公司 | Modular mounting technology for steel-structure door type frame roof system |
| CN108612317A (en) * | 2018-05-24 | 2018-10-02 | 中国二十冶集团有限公司 | A kind of band waves column type gate-type combination steel frame construction installation method |
-
2019
- 2019-09-29 CN CN201910932824.5A patent/CN110761485A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10266573A (en) * | 1997-03-28 | 1998-10-06 | Taisei Corp | Device and method of installing pc slab |
| JP2007332549A (en) * | 2006-06-12 | 2007-12-27 | Chubu Electric Power Co Inc | Reinforcement method for steel structural member |
| CN104210800A (en) * | 2014-09-23 | 2014-12-17 | 中冶赛迪工程技术股份有限公司 | Long sealed material storage yard |
| CN104612448A (en) * | 2015-02-07 | 2015-05-13 | 辽宁福瑞达建筑科技有限公司 | Steel structure grain bin and mounting method thereof |
| CN104847017A (en) * | 2015-05-25 | 2015-08-19 | 中国航空规划建设发展有限公司 | Novel prestress industrial stockyard canopy structure and method for constructing same |
| CN105040986A (en) * | 2015-05-29 | 2015-11-11 | 河南鸿宇工业装备工程有限公司 | Modular mounting technology for steel-structure door type frame roof system |
| CN108612317A (en) * | 2018-05-24 | 2018-10-02 | 中国二十冶集团有限公司 | A kind of band waves column type gate-type combination steel frame construction installation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374343A (en) * | 2020-10-28 | 2021-02-19 | 上海二十冶建设有限公司 | Assembling and hoisting method for portal box body beam of semi-portal scraper reclaimer |
| CN112374343B (en) * | 2020-10-28 | 2022-10-14 | 上海二十冶建设有限公司 | Assembling and hoisting method for portal box body beam of semi-portal scraper reclaimer |
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