CN111305422A - Assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure and construction method - Google Patents
Assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure and construction method Download PDFInfo
- Publication number
- CN111305422A CN111305422A CN202010390571.6A CN202010390571A CN111305422A CN 111305422 A CN111305422 A CN 111305422A CN 202010390571 A CN202010390571 A CN 202010390571A CN 111305422 A CN111305422 A CN 111305422A
- Authority
- CN
- China
- Prior art keywords
- steel
- box
- prestressed
- steel plate
- holes
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
- E04B2/60—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention provides an assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure and a construction method. The assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure has the advantages of large height-thickness ratio, high initial rigidity and bearing capacity, strong buckling energy consumption capacity, low steel consumption on the premise of meeting the requirements of strength and rigidity, no need of welding, convenience in installation, short construction period and low cost.
Description
Technical Field
The invention relates to the field of building structure engineering, in particular to a box-shaped thin steel plate shear wall, and particularly relates to an assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure and a construction method.
Background
With the rapid development of economy and the rapid progress of science and technology in China, the fabricated steel structure building is more and more emphasized due to good earthquake resistance, and is widely applied to super high-rise buildings at present. The steel plate shear wall is an important lateral force resistant structural form in the field of constructional engineering, and has good ductility and excellent energy consumption capability. The core working principle is that the steel plate is made to yield prior to the beams and columns of the steel frame under the action of an earthquake, and a tension band is formed after the steel plate is bent to dissipate earthquake energy.
Research shows that the tension band formed after the steel plate shear wall is bent can continuously provide lateral bearing capacity for the structure, so that the structure has better ductility and stronger lateral rigidity, excellent energy consumption performance is shown, the steel consumption can be reduced by utilizing the steel plate shear wall, and the economic benefit is improved. However, the steel plate shear wall belongs to an ultra-long and ultra-wide component, the arrangement of stiffening ribs is less, the stability is poorer, and the deflection is difficult to control; secondly, the steel plate shear wall has a plurality of on-site welding seams, most of the welding seams are ultra-long welding seams, the welding amount is large, and the welding method is improper, so that irreversible wave deformation can occur in the length direction of the welding seams; moreover, when the steel plate is thin, the buckling bearing capacity of the thin steel plate shear wall is small, the early buckling can cause serious out-of-plane deformation and the great noise is accompanied, so that the comfort level and the use function of a building are influenced, and when the steel plate is thick, the problem of overlarge steel consumption exists. Therefore, a thin steel plate shear wall which is convenient to install, free of welding, large in height-thickness ratio, high in initial rigidity and bearing capacity and strong in buckling energy consumption capacity is urgently needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure which is large in height-thickness ratio, high in initial rigidity and bearing capacity, strong in buckling energy dissipation capacity, low in steel consumption on the premise of meeting the requirements of strength and rigidity, free of welding and convenient to install.
The technical scheme of the invention is as follows:
the invention firstly provides an assembled prestress buckling restrained short-leg box-shaped thin steel plate shear wall structure which comprises an upper steel beam, a lower steel beam, a left steel column, a right steel column, a steel plate wall and prestressed tendons, wherein,
the steel beam and the steel column are both made of H-shaped steel, two ends of the upper steel beam and the lower steel beam are welded and fixed on the side surfaces of flanges of the left steel column and the right steel column, a row of bolt holes and a row of prestressed rib holes are respectively formed in the inner side and the outer side of the steel beam along the longitudinal direction of the steel beam, and the bolt holes and the prestressed rib holes are formed in the flanges on the inner side and the outer side;
the steel plate wall is composed of at least one layer of box-shaped steel plate, the box-shaped steel plate is arranged between an upper steel beam and a lower steel beam to form a shear wall, a row of bolt holes and a row of prestressed rib holes are respectively formed in upper and lower flanges on the inner side and the outer side of a web plate of the box-shaped steel plate, the bolt holes in the box-shaped steel plate correspond to the bolt holes in the steel beams, and the upper flange and the lower flange of the box;
the prestressed ribs penetrate through the prestressed rib holes in the box-type steel plate flanges and the prestressed rib holes in the upper steel beam and the lower steel beam, and two ends of the prestressed ribs are anchored on the flanges of the upper steel beam and the lower steel beam, so that the box-type steel plate is fixed between the upper steel beam and the lower steel beam, and the assembled prestressed buckling-restrained short-leg box-shaped thin steel plate shear wall structure is formed.
As an improvement, the steel plate wall is formed by a plurality of layers of box-shaped steel plates, and the upper layer box-shaped steel plate and the lower layer box-shaped steel plate are fixedly installed through bolt holes in the lower flange of the upper layer box-shaped steel plate and the upper flange of the lower layer box-shaped steel plate by bolts.
As an improvement, the positions of prestressed rib holes on the flanges of the upper and lower steel beams are close to a steel beam web, the prestressed rib holes on the upper flange of the upper layer box-type steel plate correspond to the positions of the prestressed rib holes on the flange of the upper steel beam, the prestressed rib holes on the lower flange of the lower layer box-type steel plate correspond to the positions of the prestressed rib holes on the flange of the lower steel beam, the distance between the prestressed rib holes on the flange of the box-type steel plate and the web of the box-type steel plate is gradually increased from the upper and lower steel beams to the center of the steel plate wall, so that the two ends of the prestressed rib are close to the web of the steel beam, the middle part of the prestressed rib is gradually far away from the web of the box-type steel plate, and the prestressed.
As an improvement, the bolt holes and the prestressed rib holes on the flanges on the inner side and the outer side of the steel beam web are symmetrical about the steel beam web, and the bolt holes and the prestressed rib holes on the flanges on the inner side and the outer side of the box-type steel plate web are symmetrical about the box-type steel plate web.
As an improvement, the prestressed tendons are prestressed steel strands.
As an improvement, the width of the box-type steel plate flange does not exceed the width of the steel beam and the steel column flange.
As an improvement, the widths of the steel beam and the steel column flange are the same.
The invention further provides a construction method for restraining the buckling of the short-leg box-shaped thin steel plate shear wall structure according to the fabricated prestress, which comprises the following steps:
the design positions of flanges on the inner side and the outer side of a web plate of the upper steel beam and the lower steel beam are provided with bolt holes and prestressed rib holes, the design positions of the upper flange and the lower flange on the inner side and the outer side of the box-type steel plate are provided with bolt holes and prestressed rib holes, and the bolt holes on the box-type steel plate correspond to the bolt holes on the steel beams;
welding and fixing two ends of the upper steel beam and the lower steel beam with the flange sides of the left steel column and the right steel column to form a beam and column frame;
bolts penetrate through bolt holes in flanges of the upper steel beam and the lower steel beam and bolt holes in flanges of the box-shaped steel plates to connect and fix the box-shaped steel plates with the upper steel beam and the lower steel beam to form a steel plate wall;
and (3) passing the prestressed tendons through the prestressed tendon holes on the flanges of the upper and lower steel beams and the prestressed tendon holes on the flange of the box-type steel plate, tensioning the prestressed tendons, and anchoring the two ends of the prestressed tendons on the flanges of the upper and lower steel beams by using anchor heads.
Compared with the prior art, the invention has the beneficial effects that: the assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure provided by the invention has the advantages of large height-thickness ratio, high initial rigidity and bearing capacity, strong buckling energy consumption capacity, no need of welding and convenience in installation. Specifically, the invention has at least the following beneficial effects:
(1) the invention particularly aims at the thin steel plate, introduces prestress to play a role in inhibiting, and particularly aims at the short limb, and has obvious effect of inhibiting the buckling;
(2) the box-type steel plate is adopted, the thickness of the thin steel plate shear wall is increased on the premise of not increasing the steel consumption, the interlayer displacement angle required by the thin steel plate shear wall for playing the energy consumption role is increased, and the time for the steel column to enter plasticity is prolonged;
(3) the flange of the box-type steel plate plays a role of a stiffening rib, so that the actual stress state of the thin steel plate shear wall is improved, the initial rigidity and the bearing capacity of the wall body are improved, the tensile field effect of the thin steel plate shear wall is weakened, and the out-of-plane deformation of the thin steel plate shear wall is reduced;
(4) the prestressed ribs provide a lateral supporting effect for a tension band formed after the thin steel plate shear wall is bent, the steel plate is restrained from deforming outside the surface, the bending energy consumption capacity is high, and the external restraint rigidity can be changed by adjusting the prestress;
(5) the box-shaped steel plate is installed by adopting the bolts, the thin steel plate shear wall does not need to be welded, the generation of welding residual stress is avoided, the installation is convenient, the workload is small, and the construction period is short;
(6) the prestressed ribs are designed to be arranged outside the steel plate surface in a fusiform manner, so that the buckling deformation characteristic of the thin steel plate shear wall is better met, the stress is more reasonable, and the lateral support effect which is more consistent with the stress deformation characteristic can be provided for a tension band formed after the thin steel plate shear wall is buckled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic overall structure diagram of one embodiment of the present invention;
FIG. 2 is a front view of one embodiment of the present invention;
FIG. 3 is a schematic vertical cross-section of one embodiment of the present invention;
fig. 4 is a schematic view of a box-shaped steel plate structure according to an embodiment of the present invention.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. The reference numerals in the figures have the meaning:
the steel beam is 1, the steel column is 2, the box-shaped steel plate is 3, the bolt is 4, the prestressed rib is 5, the anchor head is 6, the bolt hole is 7, and the prestressed rib hole is 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in further detail below with reference to the embodiments and the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
It is to be understood that the terms "comprises/comprising," "consisting of … …," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product, apparatus, process, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product, apparatus, process, or method if desired. Without further limitation, an element defined by the phrases "comprising/including … …," "consisting of … …," or "comprising" does not exclude the presence of other like elements in a product, device, process, or method that comprises the element.
It will be further understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present invention and to simplify description, and do not indicate or imply that the referenced device, component, or structure must have a particular orientation, be constructed in a particular orientation, or be operated in a particular manner, and should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, in an embodiment of the invention, a fabricated prestressed buckling-restrained short-leg box-shaped thin steel plate shear wall structure is firstly provided, and is composed of upper and lower steel beams 1, left and right steel columns 2, a steel plate wall 3 and prestressed tendons 5, wherein two ends of the upper and lower steel beams 1 are fixedly connected with the left and right steel columns 2, and are fixed by welding, and a row of bolt holes 7 and a row of prestressed tendon holes 8 are respectively formed in the inner and outer sides of each steel beam along the longitudinal direction of the steel beam, as shown in fig. 4.
The buckling phenomenon is closely related to the thickness of the steel plate, the invention has the effect of inhibiting the prestress introduced into the thin steel plate, and has obvious buckling inhibiting effect particularly on short limbs.
As a preferred scheme, the steel beam and the steel column of the invention are both made of H-shaped steel, and the H-shaped steel has strong bearing capacity and good stability and is suitable for super-long and super-wide members.
The two ends of the upper steel beam 1 and the lower steel beam 1 are fixedly welded on the flange side faces of the left steel column and the right steel column, the bolt holes 7 and the prestressed rib holes 8 are formed in flanges on the inner side and the outer side of a web plate of the steel beams, the two ends of the prestressed ribs are anchored on the flanges of the upper steel beam and the lower steel beam, the web plate of the H-shaped steel is thick, and holes are formed in the web plate of the H-shaped.
The steel plate wall 3 is composed of at least one layer of box-shaped steel plate, referring to fig. 4, the box-shaped steel plate is provided with an upper flange, a lower flange and two webs, a cavity is formed between the two webs, the box-shaped steel plate is arranged between the upper steel beam and the lower steel beam to form the shear wall, and the box-shaped steel plate is high in bending resistance and torsion resistance and suitable for being used for ultra-long and ultra-wide components. The steel column is formed by assembling box-type steel plates, so that the thickness of the thin steel plate shear wall is increased, the interlayer displacement angle required by the thin steel plate shear wall to play an energy consumption role is increased, and the time for the steel column to enter plasticity is prolonged; meanwhile, the flange of the box-type steel plate plays a role of a stiffening rib, so that the actual stress state of the thin steel plate shear wall is improved, the initial rigidity and the bearing capacity of the wall body are improved, the tensile field effect of the thin steel plate shear wall is weakened, and the out-of-plane deformation of the thin steel plate shear wall is reduced.
A row of bolt holes 7 and a row of prestressed rib holes 8 are respectively formed in the upper flange and the lower flange of the inner side and the outer side of a box-type steel plate web plate, the bolt holes in the box-type steel plate correspond to the bolt holes in the steel beam, and the upper flange and the lower flange of the box-type steel plate are fixed with the upper steel beam and the lower steel beam through bolts 4, so that a steel plate shear wall is formed between the upper steel beam, the. The invention adopts the bolt installation, avoids the field welding of the steel plate wall, reduces the workload, shortens the construction period, more importantly avoids the welding residual stress generated by a large number of welding seams and overlong welding seams, and avoids the influence of the welding on the structural strength.
The prestressed ribs 5 penetrate through the prestressed rib holes on the box-type steel plate flanges and the prestressed rib holes on the upper steel beam and the lower steel beam and are anchored on the upper steel beam and the lower steel beam, so that the box-type steel plate is fixed between the upper steel beam and the lower steel beam, and the assembled type prestressed buckling-restrained short-leg box-shaped thin steel plate shear wall structure is formed. The prestressed ribs are adopted on the surface of the steel plate wall to provide tensile strength, so that a lateral support effect is provided for a tension belt formed after the thin steel plate shear wall is bent, the steel plate is restrained from deforming outside the surface, and the external restraint rigidity can be changed by adjusting the prestress, so that the stress of the whole shear wall structure is more reasonable.
According to the size of the shear wall and the size of the box steel plate, the box steel plate can be composed of one layer or one piece, when one layer of box steel plate is arranged, a bolt hole on the upper flange of the box steel plate corresponds to a bolt hole on the lower flange of the upper steel beam, a bolt hole on the lower flange of the box steel plate corresponds to a bolt hole on the upper flange of the lower steel beam, and the upper flange and the lower flange of the box steel plate are fixed with the upper steel beam and the lower steel beam through bolts 4.
As a preferable scheme, the steel plate wall is composed of a plurality of layers of box-type steel plates, bolt holes in the upper flange of the top layer box-type steel plate of each layer of box-type steel plate correspond to bolt holes in the lower flange of an upper steel beam, bolt holes in the lower flange of the bottom layer box-type steel plate correspond to bolt holes in the upper flange of a lower steel beam, bolt holes in the flanges of adjacent box-type steel plates correspond to bolt holes in the flanges of adjacent box-type steel plates, the upper flange and the lower flange of each box-type steel plate are fixed with the upper steel beam and the lower steel beam through bolts 4, the adjacent box-type steel plates penetrate through the lower flange of the upper.
As a preferable scheme, as shown in fig. 3, the positions of the prestressed tendon holes on the flanges of the upper and lower steel beams are close to the steel beam web, the position of the prestressed tendon hole on the upper flange of the upper layer box-type steel plate corresponds to the position of the prestressed tendon hole on the flange of the upper steel beam, the position of the prestressed tendon hole on the lower flange of the lower layer box-type steel plate corresponds to the position of the prestressed tendon hole on the flange of the lower steel beam, the distance from the prestressed tendon hole on the flange of the box-type steel plate to the box-type steel plate web increases progressively from the upper and lower steel beams to the center of the steel plate wall, the distance from the prestressed tendon hole at the center of the steel plate wall to the box-type steel plate web is the maximum, so that the anchoring end of the prestressed tendon is close to the steel beam web, the middle part of the prestressed tendon is gradually far from the web. The fusiform arrangement is more in line with the buckling deformation characteristic of the thin steel plate shear wall, the stress is more reasonable, and the lateral support effect which is more in line with the stress deformation characteristic can be provided for the tension band formed after the thin steel plate shear wall is buckled.
In the invention, the bolt holes and the prestressed rib holes on the flanges on the inner side and the outer side of the steel beam web are symmetrical about the steel beam web, and the bolt holes and the prestressed rib holes on the flanges on the inner side and the outer side of the box-type steel plate web are symmetrical about the box-type steel plate web. The lateral constraints arranged symmetrically are more reasonable in constraint on out-of-plane rigidity, so that the shear wall is not easy to deform and destabilize.
As a preferred solution, the tendon 5 of the present invention uses prestressed steel strands to provide greater tension.
In the invention, the width of the box-type steel plate flange does not exceed the width of the steel beam and the steel column flange, so that the prestressed stay cables can be conveniently and better laid, otherwise, the too large box-type steel plate flange can cause the anchor ends of the stay cables at two ends to be inconvenient to lay on the steel beam flange.
In a preferable scheme, the widths of the steel beam 1 and the steel column 2 are the same.
The construction method of the assembled type prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure comprises the following steps:
the design positions of flanges on the inner side and the outer side of a web plate of the upper steel beam and the lower steel beam are provided with bolt holes and prestressed rib holes, the design positions of the upper flange and the lower flange on the inner side and the outer side of the box-type steel plate are provided with bolt holes and prestressed rib holes, and the bolt holes on the box-type steel plate correspond to the bolt holes on the steel beams;
welding and fixing two ends of the upper steel beam and the lower steel beam with the flange sides of the left steel column and the right steel column to form a beam and column frame;
bolts penetrate through bolt holes in flanges of the upper steel beam and the lower steel beam and bolt holes in flanges of the box-shaped steel plates to connect and fix the box-shaped steel plates with the upper steel beam and the lower steel beam to form a steel plate wall;
and (3) passing the prestressed tendons through the prestressed tendon holes on the flanges of the upper and lower steel beams and the prestressed tendon holes on the flange of the box-type steel plate, tensioning the prestressed tendons, and anchoring the two ends of the prestressed tendons on the flanges of the upper and lower steel beams by using anchor heads.
Through the explanation of the invention, the fabricated prestressed buckling-restrained short-leg box-shaped thin steel plate shear wall structure has the advantages of large height-thickness ratio, high initial rigidity and bearing capacity, strong buckling energy consumption capacity, no need of welding, convenience in installation and capability of being widely applied to fabricated steel structure buildings.
Thus, it should be understood by those skilled in the art that while exemplary embodiments of the present invention have been illustrated and described in detail herein, many other variations and modifications can be made, which are consistent with the principles of the invention, from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (8)
1. The assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure is composed of an upper steel beam, a lower steel beam, a left steel column, a right steel column, a steel plate wall and prestressed tendons, wherein,
the steel beam and the steel column are both made of H-shaped steel, two ends of the upper steel beam and the lower steel beam are welded and fixed on the side surfaces of flanges of the left steel column and the right steel column, a row of bolt holes and a row of prestressed rib holes are respectively formed in the inner side and the outer side of the steel beam along the longitudinal direction of the steel beam, and the bolt holes and the prestressed rib holes are formed in the flanges on the inner side and the outer side;
the steel plate wall is composed of at least one layer of box-shaped steel plate, the box-shaped steel plate is arranged between an upper steel beam and a lower steel beam to form a shear wall, a row of bolt holes and a row of prestressed rib holes are respectively formed in upper and lower flanges on the inner side and the outer side of a web plate of the box-shaped steel plate, the bolt holes in the box-shaped steel plate correspond to the bolt holes in the steel beams, and the upper flange and the lower flange of the box;
the prestressed ribs penetrate through the prestressed rib holes in the box-type steel plate flanges and the prestressed rib holes in the upper steel beam and the lower steel beam, and two ends of the prestressed ribs are anchored on the flanges of the upper steel beam and the lower steel beam, so that the box-type steel plate is fixed between the upper steel beam and the lower steel beam, and the assembled prestressed buckling-restrained short-leg box-shaped thin steel plate shear wall structure is formed.
2. The fabricated prestressed buckling-restrained short-leg box-type thin steel plate shear wall structure as claimed in claim 1, wherein said steel plate wall is formed by a plurality of layers of box-type steel plates, and upper and lower layers of box-type steel plates are fixedly installed through bolt holes formed in lower flanges of the upper layer of box-type steel plates and upper flanges of the lower layer of box-type steel plates by bolts.
3. The fabricated prestressed buckling-restrained short-leg box-shaped thin steel plate shear wall structure as claimed in claim 2, wherein the prestressed tendon holes on the upper and lower steel beam flanges are located close to the steel beam web, the prestressed tendon holes on the upper box-shaped steel plate flange correspond to the prestressed tendon holes on the upper steel beam flange, the prestressed tendon holes on the lower box-shaped steel plate flange correspond to the prestressed tendon holes on the lower steel beam flange, the distance from the prestressed tendon holes on the box-shaped steel plate flange to the box-shaped steel plate web increases progressively from the upper and lower steel beams toward the center of the steel plate wall, so that the two ends of the prestressed tendon are close to the web of the steel beam, the middle part of the prestressed tendon is gradually far away from the box-shaped steel plate web, and the prestressed tendons on the two sides of the box-shaped steel plate web are arranged in a shuttle shape on the cross section of the box.
4. The fabricated prestressed buckling-restrained short-leg box steel sheet shear wall structure as set forth in any one of claims 1 to 3, wherein the bolt holes and the prestressed tendon holes on the inner and outer side flanges of the steel beam web are symmetrical with respect to the steel beam web, and the bolt holes and the prestressed tendon holes on the inner and outer side flanges of the box steel plate web are symmetrical with respect to the box steel plate web.
5. The fabricated prestressed buckling-restrained short-leg box-shaped steel sheet shear wall structure as claimed in any one of claims 1 to 3, wherein said prestressed tendons are prestressed steel strands.
6. The fabricated prestressed buckling-restrained short-leg box steel sheet shear wall structure as claimed in any one of claims 1 to 3, wherein the width of said box steel sheet flanges does not exceed the width of steel beams, steel column flanges.
7. The fabricated prestressed buckling-restrained short-leg box-shaped steel sheet shear wall structure as claimed in claim 6, wherein the widths of said steel beams and steel column flanges are the same.
8. The construction method of the fabricated prestressed buckling-restrained short-leg box-shaped thin steel plate shear wall structure as set forth in any one of claims 1 to 7, comprising the steps of:
the design positions of flanges on the inner side and the outer side of a web plate of the upper steel beam and the lower steel beam are provided with bolt holes and prestressed rib holes, the design positions of the upper flange and the lower flange on the inner side and the outer side of the box-type steel plate are provided with bolt holes and prestressed rib holes, and the bolt holes on the box-type steel plate correspond to the bolt holes on the steel beams;
welding and fixing two ends of the upper steel beam and the lower steel beam with the flange sides of the left steel column and the right steel column to form a beam and column frame;
bolts penetrate through bolt holes in flanges of the upper steel beam and the lower steel beam and bolt holes in flanges of the box-shaped steel plates to connect and fix the box-shaped steel plates with the upper steel beam and the lower steel beam to form a steel plate wall;
and (3) passing the prestressed tendons through the prestressed tendon holes on the flanges of the upper and lower steel beams and the prestressed tendon holes on the flange of the box-type steel plate, tensioning the prestressed tendons, and anchoring the two ends of the prestressed tendons on the flanges of the upper and lower steel beams by using anchor heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010390571.6A CN111305422B (en) | 2020-05-11 | 2020-05-11 | Assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010390571.6A CN111305422B (en) | 2020-05-11 | 2020-05-11 | Assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111305422A true CN111305422A (en) | 2020-06-19 |
| CN111305422B CN111305422B (en) | 2020-08-04 |
Family
ID=71155928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010390571.6A Active CN111305422B (en) | 2020-05-11 | 2020-05-11 | Assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111305422B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202508A (en) * | 2021-05-07 | 2021-08-03 | 上海市城市建设设计研究总院（集团）有限公司 | Construction method for providing shear-resistant bearing capacity for gapped discrete steel structure pipe row |
| CN114086691A (en) * | 2021-12-23 | 2022-02-25 | 湖北别一阁钢结构科技开发有限公司 | Outer wall node structure, outer wall and building structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09144374A (en) * | 1995-11-17 | 1997-06-03 | Takenaka Komuten Co Ltd | Aseismatic and damping structure using steel plate block |
| US6681536B1 (en) * | 1999-09-01 | 2004-01-27 | Shimizu Corporation | Mounting structure and method for viscosity system damping wall |
| JP2006045776A (en) * | 2004-07-30 | 2006-02-16 | Takenaka Komuten Co Ltd | Construction method of shear wall |
| CN103835400A (en) * | 2014-03-10 | 2014-06-04 | 北京工业大学 | Prestress steel plate shear wall |
| KR101406535B1 (en) * | 2012-06-13 | 2014-06-16 | 재단법인 포항산업과학연구원 | Steel plate shear wall structure using block assembly |
| CN206070790U (en) * | 2016-06-22 | 2017-04-05 | 杭州铁木辛柯钢结构设计有限公司 | A kind of anti-buckling steel plate seismic structural wall, earthquake resistant wall of ribbed stiffener |
| CN109024988A (en) * | 2018-08-27 | 2018-12-18 | 西安建筑科技大学 | A kind of double-layer plate shear wall structure put more energy into close rib being easily installed |
-
2020
- 2020-05-11 CN CN202010390571.6A patent/CN111305422B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09144374A (en) * | 1995-11-17 | 1997-06-03 | Takenaka Komuten Co Ltd | Aseismatic and damping structure using steel plate block |
| US6681536B1 (en) * | 1999-09-01 | 2004-01-27 | Shimizu Corporation | Mounting structure and method for viscosity system damping wall |
| JP2006045776A (en) * | 2004-07-30 | 2006-02-16 | Takenaka Komuten Co Ltd | Construction method of shear wall |
| KR101406535B1 (en) * | 2012-06-13 | 2014-06-16 | 재단법인 포항산업과학연구원 | Steel plate shear wall structure using block assembly |
| CN103835400A (en) * | 2014-03-10 | 2014-06-04 | 北京工业大学 | Prestress steel plate shear wall |
| CN206070790U (en) * | 2016-06-22 | 2017-04-05 | 杭州铁木辛柯钢结构设计有限公司 | A kind of anti-buckling steel plate seismic structural wall, earthquake resistant wall of ribbed stiffener |
| CN109024988A (en) * | 2018-08-27 | 2018-12-18 | 西安建筑科技大学 | A kind of double-layer plate shear wall structure put more energy into close rib being easily installed |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202508A (en) * | 2021-05-07 | 2021-08-03 | 上海市城市建设设计研究总院（集团）有限公司 | Construction method for providing shear-resistant bearing capacity for gapped discrete steel structure pipe row |
| CN114086691A (en) * | 2021-12-23 | 2022-02-25 | 湖北别一阁钢结构科技开发有限公司 | Outer wall node structure, outer wall and building structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111305422B (en) | 2020-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111305422B (en) | Assembled prestress buckling-restrained short-leg box-shaped thin steel plate shear wall structure and construction method | |
| US4912794A (en) | Bridge having chords connected to each other by means of pleated steel sheets | |
| KR101200589B1 (en) | Manufacturing method of prestressed steel beam using tightening forces of bolts | |
| KR101125917B1 (en) | Prestressed steel concrete composite beam | |
| KR101116073B1 (en) | Heterogeneity reinforcing composite profile beam | |
| KR100941726B1 (en) | Asymmetric composite beam with corrugated web | |
| CN109763415B (en) | Wave-lifting box beam | |
| US12054940B2 (en) | Construction damper with at least one at least in regions ladder-like constructed thrust damping part | |
| CN211037391U (en) | Shear wall structure for optimizing stress distribution | |
| JP2000096867A (en) | Vibration control member | |
| CN212153714U (en) | Large-span support span-center cooperative prestress box-shaped continuous steel beam column structure | |
| KR100559764B1 (en) | Steel girder adhered arch rib | |
| CN111764536A (en) | Composite corrugated steel plate shear wall | |
| KR100517893B1 (en) | Damper with slit plate for building structure | |
| CN216920709U (en) | Steel column and connection structure with steel sheet shear force wall | |
| JP4618805B2 (en) | Reinforcement structure of multi-layer metal flat plate | |
| JP3690460B2 (en) | Damping damper and damping structure | |
| KR101732719B1 (en) | Hybrid beam having tube-type flanges | |
| JP2011127279A (en) | Earthquake resisting wall formed by corrugated steel plate and building having the same | |
| JP4987758B2 (en) | Panels, buildings and thin lightweight steel structures | |
| JPH07292802A (en) | Building wall structure | |
| JP7180155B2 (en) | bearing wall | |
| JPS63219928A (en) | Elastic/plastic damper | |
| JP2545966B2 (en) | Elasto-plastic damper mounting structure | |
| JPH0765380B2 (en) | Truss 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |