Combined special-shaped column structure system applying mild steel damping wall
Technical Field
The invention relates to a combined special-shaped column structure system, in particular to a combined special-shaped column structure system applying a mild steel damping wall.
Background
The rectangular steel tube concrete combined special-shaped column structure system has the advantages of flexible arrangement, no exposure of beam columns in the room, industrialized production, assembled construction and the like, and is applied to low-rise and multi-storey buildings. However, because the lateral rigidity of the system is smaller, more steel supports or concrete shear walls are required to be additionally arranged when the system is applied to a high-rise residence above 18 floors in a high-intensity area. The arrangement of steel supports at a plurality of places brings inconvenience to the arrangement of doors and windows of houses; the cast-in-place concrete shear wall is adopted, so that the working load of on-site wet operation is large, and the assembly rate is reduced. In order to further popularize the application of the combined special-shaped column structure system, it is necessary to provide a novel combined special-shaped column structure system which is more suitable for high-rise assembled houses and has good anti-seismic performance.
Disclosure of Invention
The invention provides a combined special-shaped column anti-seismic structure system of a soft steel damping wall, which aims to solve the technical problems in the prior art, has good anti-seismic performance and can be better suitable for high-rise assembly type buildings.
The invention adopts the technical proposal for solving the technical problems in the prior art that: the utility model provides an use combination dysmorphism post structure system of mild steel damping wall, includes the frame construction that comprises rectangle steel pipe concrete combination dysmorphism post and H shaped steel roof beam be equipped with the last cantilever wall with upper strata H shaped steel roof beam rigid coupling and the lower cantilever wall with lower floor H shaped steel roof beam rigid coupling in the frame construction go up the cantilever wall with be connected with mild steel damping wall down between the cantilever wall.
The soft steel damping wall is a shearing yield type metal damping energy dissipation device.
The soft steel damping wall is provided with a damping wall web plate, damping wall outer frame steel plates, an upper horizontal damping wall end plate and a lower horizontal damping wall end plate, damping wall stiffening ribs are arranged on the front side and the rear side of the damping wall web plate in pairs, the upper horizontal damping wall end plate is fixedly connected with the cantilever end of the upper cantilever wall, and the lower horizontal damping wall end plate is fixedly connected with the cantilever end of the lower cantilever wall.
The upper cantilever wall and the lower cantilever wall are structurally symmetrical, cantilever wall webs, left and right vertical cantilever wall end plates and horizontal cantilever end plates are arranged, transverse cantilever wall stiffening ribs and vertical cantilever wall stiffening ribs are arranged on the front side and the rear side of the cantilever wall webs in pairs, the horizontal cantilever end plates of the upper cantilever wall are connected with the upper horizontal damping wall end plates, and the horizontal cantilever end plates of the lower cantilever wall are connected with the lower horizontal damping wall end plates.
The horizontal cantilever end plate of the upper cantilever wall is connected with the upper horizontal damping wall end plate and the horizontal cantilever end plate of the lower cantilever wall is connected with the lower horizontal damping wall end plate by high-strength bolts.
The upper cantilever wall is connected to the middle part of the lower flange of the upper H-shaped steel beam through a welding seam; the lower cantilever wall is connected to the middle part of the upper flange of the lower H-shaped steel beam through a welding seam.
And steel beam stiffening ribs are arranged on two sides of the web plate of the H-shaped steel member forming the H-shaped steel beam in pairs, and the steel beam stiffening ribs are opposite to the left and right vertical cantilever wall end plates and the vertical cantilever wall stiffening ribs.
The rectangular steel pipe concrete combined special-shaped column is any one of L-shaped, T-shaped and cross-shaped rectangular steel pipe concrete combined special-shaped columns.
The invention has the advantages and positive effects that: the additional damping ratio of the combined special-shaped column structure system is effectively increased by applying the soft steel damping wall, the earthquake effect is reduced, the interlayer displacement of the combined special-shaped column structure system under the action of horizontal load is reduced, and the applicable height of the combined special-shaped column structure system in a high intensity area is increased; meanwhile, the soft steel damping wall can realize yield energy consumption when a large earthquake occurs, so that earthquake damage of a main structure is reduced, and the soft steel damping wall is simple in installation mode and easy to replace after being damaged; in addition, the combined special-shaped column structure system using the soft steel damping wall is simple in structure, good in ductility and energy consumption capability, high in assembly degree and convenient and fast to construct, can effectively reduce on-site wet operation, shortens construction period and reduces environmental pollution.
Drawings
FIG. 1 is an elevation view of the present invention;
fig. 2 is a plan view of the present invention.
In the figure: 1. rectangular steel pipe concrete combined special-shaped column; 2-1, an upper H-shaped steel beam; 2-2, a lower H-shaped steel beam; 2-3, steel beam stiffening ribs; 3. a soft steel damping wall; 3-1, damping wall webs; 3-2, damping wall outer frame steel plates; 3-3, upper horizontal damping wall end plates; 3-4, a lower horizontal damping wall end plate; 3-5, a damping wall stiffening rib; 4. an upper cantilever wall; 5. a lower cantilever wall; 4-1, 5-1, cantilever wall webs; 4-2, 5-2, transverse cantilever wall stiffening ribs; 4-3, 5-3, vertical cantilever wall end plates; 4-4, 5-4, horizontal cantilever end plates; 4-5, 5-5, vertical cantilever wall stiffening ribs; 6. high strength bolts.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:
referring to fig. 1-2, a combined special-shaped column structure system using soft steel damping walls comprises a frame structure formed by rectangular steel tube concrete combined special-shaped columns 1 and H-shaped steel beams, wherein an upper cantilever wall 4 fixedly connected with an upper H-shaped steel beam 2-1 and a lower cantilever wall 5 fixedly connected with a lower H-shaped steel beam 2-2 are arranged in the frame structure, and soft steel damping walls 3 are connected between the upper cantilever wall 4 and the lower cantilever wall. The mild steel damping wall 3 has the capability of providing lateral rigidity under severe earthquake and yielding energy consumption under rare earthquake, and can effectively control interlayer displacement of the combined special-shaped column structure under the action of horizontal load by reasonably arranging the combined special-shaped column-H-shaped steel beam frame structure, so that the earthquake resistance of the combined special-shaped column structure system can be obviously improved.
In this embodiment, the soft steel damping wall 3 is a shear yield type metal damping damper, and the damper yield force matched with the combined special-shaped column frame should be selected in engineering design. The soft steel damping wall 3 is provided with a damping wall web plate 3-1, a damping wall outer frame steel plate 3-2, an upper horizontal damping wall end plate 3-3 and a lower horizontal damping wall end plate 3-4, damping wall stiffening ribs 3-5 are arranged on the front side and the rear side of the damping wall web plate 3-1 in pairs, and the damping wall stiffening ribs 3-5 can be arranged into horizontal stiffening ribs and vertical stiffening ribs according to actual conditions in engineering application. The upper horizontal damping wall end plate 3-3 is fixedly connected with the cantilever end of the upper cantilever wall 4, and the lower horizontal damping wall end plate 3-4 is fixedly connected with the cantilever end of the lower cantilever wall 5.
The upper cantilever wall 4 and the lower cantilever wall 5 are structurally symmetrical, cantilever wall webs 4-1, 5-1, left and right vertical cantilever wall end plates 4-3, 5-3 and horizontal cantilever end plates 4-4, 5-4 are respectively arranged, transverse cantilever wall stiffening ribs 4-2, 5-2 and vertical cantilever wall stiffening ribs 4-5, 5-5 are respectively arranged on the front side and the rear side of the cantilever wall webs 4-1, 5-1 in pairs, the horizontal cantilever end plate 4-4 of the upper cantilever wall is connected with the upper horizontal damping wall end plate 3-3, and the horizontal cantilever end plate 5-4 of the lower cantilever wall is connected with the lower horizontal damping wall end plate 3-4. More specifically, the horizontal cantilever end plate 4-4 of the upper cantilever wall is connected with the upper horizontal damping wall end plate 3-3, and the horizontal cantilever end plate 5-4 of the lower cantilever wall is connected with the lower horizontal damping wall end plate 3-4 by using high-strength bolts 6. The upper cantilever wall 4 is connected to the middle part of the lower flange of the upper H-shaped steel beam 2-1 through a welding seam; the lower cantilever wall 5 is connected to the middle part of the upper flange of the lower H-shaped steel beam 2-2 through a welding seam. The structure can enable the connecting section of the H-shaped steel beam to have enough rigidity so as to fully play the side rigidity and yield energy consumption resistance of the soft steel damping wall. The rectangular steel pipe concrete combined special-shaped column 1 can be any one of L-shaped, T-shaped and cross-shaped rectangular steel pipe concrete combined special-shaped columns.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the appended claims, which are within the scope of the present invention.