CN115126322A - Construction method for anti-seismic fabricated building steel structure - Google Patents
Construction method for anti-seismic fabricated building steel structure Download PDFInfo
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- CN115126322A CN115126322A CN202210906044.5A CN202210906044A CN115126322A CN 115126322 A CN115126322 A CN 115126322A CN 202210906044 A CN202210906044 A CN 202210906044A CN 115126322 A CN115126322 A CN 115126322A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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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
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/024—Structures with steel columns and beams
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- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
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- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a construction method of an earthquake-resistant assembly type building steel structure, which comprises the following steps: s1, manufacturing a column section, a bottom beam section, a top beam section, an energy dissipation beam section, a first beam section, a second beam section and a third beam section; s2, prefabricating and installing a first beam section, a second beam section and a third beam section, and fixedly connecting the first beam section, the second beam section and the third beam section through bolts; s3, fixedly connecting the square steel pipe with the I-shaped steel beam at the corresponding position through bolts; s4, after the process test is qualified and the on-site welding quality is ensured, carrying out gas shielded welding on the connecting position; and S5, installing the prefabricated eccentric supporting structure in the formed frame through hoisting and fixing. The invention discloses a method for improving the anti-seismic performance of a building steel structure by connecting a column section and a bottom beam section through a special-shaped eccentric support structure, which increases transverse and longitudinal eccentric supports, meets the deformation requirement under the action of wind and earthquake loads, further enhances the anti-seismic performance of the building steel structure, and reduces the difficulty of site construction by adopting a prefabricated member structure through the eccentric support structure.
Description
Technical Field
The invention relates to the technical field of building steel structure processing, in particular to a construction method of an earthquake-resistant fabricated building steel structure.
Background
The steel framework is the main part among the steel construction building for bear the load of roofing or floor, and in order to promote the stability of steel framework and increase the anti-seismic performance of building, can set up eccentric bearing structure on the steel framework, and common eccentric bearing structure has Y style of calligraphy structure etc. and assembled steel framework eccentric stay power consumption connecting piece is the important component part of Y style of calligraphy eccentric bearing structure, and its effect is the stability of guarantee eccentric bearing structure when building the antidetonation.
The existing assembly type steel frame eccentric support energy dissipation connecting piece has the following problems: because the eccentric support energy dissipation connecting piece is an important guarantee of building earthquake resistance, the stability of the energy dissipation connecting piece needs to be improved, and the stability of the existing assembly type steel frame eccentric support energy dissipation connecting piece is insufficient when the building shakes, so that the earthquake-resistant effect provided by the connecting piece for the building is insufficient, and the using effect of the connecting piece is reduced. The typical failure mode of seismic node failure is simply represented as: weld fracture, bolt failure, rivet fracture, stiffener fracture, web fracture, and the like.
Disclosure of Invention
According to the technical problems to be solved, the construction method of the anti-seismic fabricated building steel structure is provided.
In order to achieve the purpose, the invention discloses a construction method of an earthquake-resistant fabricated building steel structure, the steel structure comprises column sections, bottom beam sections and top beam sections, the column sections are vertically arranged on two sides of the steel structure, the bottoms of the column sections are connected through the bottom beam sections, the tops of the column sections are connected with the top beam sections, energy dissipation beam sections are connected between the top beam sections, first beam sections, second beam sections and third beam sections are further arranged inside the steel structure, one end of each first beam section is horizontally fixed on the inner side of the center of the column section, one end of each second beam section is connected with the side face, far away from the column section, of each first beam section, the other end of each second beam section is connected with the connecting part of the corresponding energy dissipation beam section and the top beam section, and the third beam section is vertically connected with the first beam sections and the bottom beam sections.
Furthermore, the column section, the bottom beam section and the top beam section are fixedly connected through bolts.
Furthermore, the column section adopts a square steel pipe, and the bottom beam section and the top beam section adopt I-shaped steel beams.
Furthermore, the first beam section is fixed on the column section through upper and lower supporting seats, the third beam section is fixed on the lower surfaces of the bottom beam section and the first beam section through the supporting seats, horizontal sections are arranged at two ends of the second beam section, and bolt holes are formed in the horizontal sections.
Furthermore, the first beam section and the third beam section are made of square steel tubes, and the side edge of the web plate of the second beam section is provided with a reinforcing rib.
A construction method of an earthquake-resistant fabricated building steel structure comprises the following steps:
s1, manufacturing a column section, a bottom beam section, a top beam section, an energy dissipation beam section, a first beam section, a second beam section and a third beam section;
s2, prefabricating and installing a first beam section, a second beam section and a third beam section, and fixedly connecting the first beam section, the second beam section and the third beam section through bolts;
s3, fixedly connecting the square steel tube with the I-shaped steel beam at the corresponding position through bolts;
s4, after the process test is qualified and the on-site welding quality is ensured, performing gas shielded welding on the connecting position;
and S5, installing the prefabricated eccentric supporting structure in the formed frame through hoisting and fixing.
Further, the bolt is a friction type high-strength fixing bolt.
Furthermore, full penetration groove welding seams are adopted for the beam section flanges and the column flanges.
Compared with the prior art, the invention has the following beneficial effects: the invention discloses a construction method of an anti-seismic fabricated building steel structure, which increases transverse and longitudinal eccentric supports by connecting a column section and a bottom beam section through a special-shaped eccentric support structure, meets the deformation requirement under the action of wind and earthquake loads, further enhances the anti-seismic performance of the building steel structure, and reduces the difficulty of site construction by adopting a prefabricated member structure through the eccentric support structure.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a construction flow chart of the present invention.
Fig. 2 is a schematic view of the overall structure of the steel structure of the present invention.
In the figure: 1 is a column section; 2 is a bottom beam section; 3 is a top beam section; 4 is an energy dissipation beam section; 5 is a first beam section; 6 is a second beam section; and 7 is a third beam section.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 scope of the present invention.
In an embodiment of the present invention, as shown in fig. 1 and fig. 2, a steel structure includes a column section 1, a bottom beam section 2 and a top beam section 3, the column section 1 is vertically disposed on two sides of the steel structure, the bottom of the column section 1 is connected by the bottom beam section 2, the top of the column section 1 is connected with the top beam section 3, an energy dissipating beam section 4 is connected between the top beam sections 3, a first beam section 5, a second beam section 6 and a third beam section 7 are further disposed inside the steel structure, one end of the first beam section 5 is horizontally fixed inside the center of the column section 1, one end of the second beam section 6 is connected to the side of the first beam section 5 far away from the column section 1, the other end is connected to the connection between the energy dissipating beam section 4 on the corresponding side and the top beam section 3, and the third beam section 7 is vertically connected to the first beam section 5 and the bottom beam section 2, as a preferred embodiment of the present application, an eccentric support structure composed of the first beam section 5, the second beam section 6 and the third beam section 7 jointly plays a support role, when an earthquake occurs, the energy dissipation beam section 4 yields to form a plastic hinge and has stable hysteretic performance, and the column section 1, the first beam section 5, the second beam section 6 and the third beam section 7 still keep elasticity when the energy dissipation beam section enters a strain hardening stage.
The column section 1, the bottom beam section 2 and the top beam section 3 are fixedly connected through bolts, and the connection strength of a steel structure and an intelligent body is increased.
The column section 1 is made of square steel pipes, and the bottom beam section 2 and the top beam section 3 are made of I-shaped steel beams.
First roof beam section 5 is fixed on column section 1 through the supporting seat of upper and lower both sides, and third roof beam section 7 passes through the supporting seat to be fixed at bottom roof beam section 2 and 5 lower surfaces of first roof beam section, and the both ends of second roof beam section 6 are provided with the horizontal segment, have seted up the bolt hole on the horizontal segment, through bolted connection, increase horizontal and fore-and-aft anti-seismic performance.
The first beam section 5 and the third beam section 7 are made of square steel tubes, the web side edge of the second beam section 6 is provided with a reinforcing rib, the thickness of the reinforcing rib is not less than that of a flange, and the strength of the reinforcing rib is the same as that of the flange.
The construction method comprises the following steps:
s1, manufacturing a column section 1, a bottom beam section 2, a top beam section 3, an energy dissipation beam section 4, a first beam section 5, a second beam section 6 and a third beam section 7;
s2, prefabricating and installing the first beam section 5, the second beam section 6 and the third beam section 7, and fixedly connecting the first beam section, the second beam section and the third beam section through bolts;
s3, fixedly connecting the square steel pipe with the I-shaped steel beam at the corresponding position through bolts;
s4, after the process test is qualified and the on-site welding quality is ensured, carrying out gas shielded welding on the connecting position;
and S5, installing the prefabricated eccentric supporting structure in the formed frame through hoisting and fixing.
The points to be explained are as follows: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed; second, in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (8)
1. An earthquake-resistant assembly type building steel structure is characterized by comprising column sections (1), bottom beam sections (2) and top beam sections (3), wherein the column sections (1) are vertically arranged on two sides of the steel structure, the bottoms of the column sections (1) are connected through the bottom beam sections (2), the tops of the column sections (1) are connected with the top beam sections (3), energy dissipation beam sections (4) are connected between the top beam sections (3), a first beam section (5) is further arranged inside the steel structure, second roof beam section (6) and third roof beam section (7), the one end level of first roof beam section (5) is fixed at column section (1) center department inboard, the side of column section (1) is kept away from in first roof beam section (5) is connected to second roof beam section (6) one end, the junction of corresponding side energy dissipation roof beam section (4) and top roof beam section (3) is connected to the other end, first roof beam section (5) and bottom roof beam section (2) are vertically connected to third roof beam section (7).
2. An earthquake-proof assembled building steel structure according to claim 1, characterized in that the column section (1), the bottom beam section (2) and the top beam section (3) are fixedly connected by bolts.
3. An earthquake-proof fabricated building steel structure according to claim 1, characterized in that the column section (1) is a square steel pipe, and the bottom beam section (2) and the top beam section (3) are i-shaped steel beams.
4. An earthquake-proof assembled building steel structure according to claim 1, characterized in that the first beam section (5) is fixed on the column section (1) through supporting seats at the upper and lower sides, the third beam section (7) is fixed on the lower surfaces of the bottom beam section (2) and the first beam section (5) through supporting seats, the two ends of the second beam section (6) are provided with horizontal sections, and bolt holes are arranged on the horizontal sections.
5. An earthquake-proof assembled building steel structure according to claim 4, characterized in that the first beam section (5) and the third beam section (7) are made of square steel pipes, and the web side of the second beam section (6) is provided with reinforcing ribs.
6. An earthquake-proof fabricated construction steel structure construction method according to any one of claims 1 to 5, comprising the steps of:
s1, manufacturing a column section (1), a bottom beam section (2), a top beam section (3), an energy-dissipating beam section (4), a first beam section (5), a second beam section (6) and a third beam section (7) according to any one of claims 1-5;
s2, prefabricating and installing a first beam section (5), a second beam section (6) and a third beam section (7) and fixedly connecting the first beam section, the second beam section and the third beam section through bolts;
s3, fixedly connecting the square steel pipe with the I-shaped steel beam at the corresponding position through bolts;
s4, after the process test is qualified and the on-site welding quality is ensured, performing gas shielded welding on the connecting position;
and S5, installing the prefabricated eccentric supporting structure in the formed frame through hoisting and fixing.
7. An earthquake-proof fabricated building steel structure construction method according to claim 6, wherein the bolts are friction type high-strength fixing bolts.
8. The construction method of an earthquake-proof fabricated building steel structure according to claim 6, wherein the beam section flange and the column flange adopt a full penetration groove weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906044.5A CN115126322A (en) | 2022-07-29 | 2022-07-29 | Construction method for anti-seismic fabricated building steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906044.5A CN115126322A (en) | 2022-07-29 | 2022-07-29 | Construction method for anti-seismic fabricated building steel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115126322A true CN115126322A (en) | 2022-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210906044.5A Pending CN115126322A (en) | 2022-07-29 | 2022-07-29 | Construction method for anti-seismic fabricated building steel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115126322A (en) |
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2022
- 2022-07-29 CN CN202210906044.5A patent/CN115126322A/en active Pending
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