Steel shotcrete equivalent wall unit and combination wall unit
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a steel support equivalent wall unit and a combined wall unit.
Background
Compared with the traditional concrete building, the steel structure building has higher strength and better shock resistance. Moreover, the components can be manufactured in a factory and installed on site, so that the construction period can be greatly reduced; steel in the steel structure building can be recycled, so that building garbage can be greatly reduced, and the steel structure building is more environment-friendly; therefore, the method is widely applied to industrial buildings and civil buildings.
In the existing steel structure building, in order to improve the lateral stiffness and lateral bearing capacity of the building, large supports, steel plate walls or steel plate combination walls are usually arranged for solving the problem, but the supports are difficult to find out proper arrangement positions; the cross section of the steel column is larger than the wall thickness, convex column external corners appear at four corners of a room, and the use function of an indoor building is influenced; the construction welding amount of the steel plate wall or the steel plate combined wall is large, and the construction of floor slab steel bars at the wall is difficult, and the like.
Disclosure of Invention
The invention provides a steel support equivalent wall unit and a combined wall unit, which are used for improving the lateral stiffness, lateral bearing capacity and stability of a building and improving the adaptability to the diversified arrangement of the building.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a steel shotcrete equivalent wall unit, including stand, X type support and level set up and with the multichannel transverse beam section that stand and X type support are connected, wherein, X type supports including four coplanar symmetrical diagonal braces that set up, and every diagonal brace one end is connected with the stand middle part, and the other end is connected with corresponding transverse beam section.
Optionally, the stand column includes a rectangular steel pipe column, a circular steel pipe column, a rectangular steel pipe concrete column, a circular steel pipe concrete column, an i-shaped steel column, a cross i-shaped steel column, a double-groove-shaped steel column, or an L-shaped, T-shaped, or groined-shaped special-shaped combined section steel column; each transverse beam section is an I-shaped steel beam.
Preferably, the transverse beam section is connected with the beam web of the steel structure through a connecting plate bolt, and the flanges are connected through butt welding seams or connected through the connecting plate bolt.
Optionally, when the column is a rectangular steel pipe column or a rectangular concrete-filled steel pipe column, an inner ring plate or an outer ring plate is arranged at the joint of the transverse beam section and the column on the column, or flange side connecting plates are attached to two sides of a flange plate of the transverse beam section, and the sum of the width of the flange plate of the transverse beam section and the thickness of the two flange side connecting plates is not greater than the length of the section side of the column.
Optionally, when the column is a circular steel pipe column or a circular steel pipe concrete column, an inner ring plate or an outer ring plate is arranged on the column at the joint of the transverse beam section and the column.
Optionally, when the upright column is an i-shaped steel column, a cross-shaped steel column, a double-groove-shaped steel column or an L-shaped, T-shaped or groined-shaped steel column with a special-shaped combined cross section, a transverse partition plate is arranged on the upright column at the joint of the transverse beam section and the upright column. Further preferably, a transverse clapboard is arranged on the upright post at the joint of the inclined strut and the upright post.
Preferably, one end of each inclined strut is welded with the middle part of the upright post; the other end is connected with the transverse beam section in a welding mode, and stiffening ribs are required to be arranged on the web plates of the transverse beam sections corresponding to the connecting parts.
Optionally, the diagonal brace includes a circular steel tube, a square steel tube, an i-shaped steel support, a T-shaped steel support, an L-shaped steel support, a channel-shaped steel support, a cross-shaped steel support, a buckling-restrained brace, or a damper.
The steel support equivalent wall unit provided by the embodiment of the invention comprises an upright post, an X-shaped support and a plurality of transverse beam sections which are horizontally arranged and connected with the upright post and the X-shaped support, wherein the X-shaped support comprises four inclined supporting rods which are symmetrically arranged in a coplanar manner, one end of each inclined supporting rod is connected with the middle part of the upright post, and the other end of each inclined supporting rod is connected with the corresponding transverse beam section. The X-shaped supports composed of the plurality of diagonal braces symmetrically act on the middle of the stand column to prevent the stand column from buckling and collapsing caused by lateral force, so that the lateral bearing capacity and stability of the building are improved, the problem of external corners of the convex columns is solved, and the adaptability to the diversity arrangement of the building is improved.
The utility model provides a combination wall unit, includes two as above steel shotcrete equivalent wall units, two steel shotcrete equivalent wall units are 90 degrees contained angles cross arrangement each other, just two same stands of steel shotcrete equivalent wall unit sharing, the horizontal beam section and the X type of every steel shotcrete equivalent wall unit support and two side symmetric connections of stand.
The steel support combined wall unit provided by the embodiment of the invention comprises two steel support equivalent wall units, wherein the middle of the two steel support equivalent wall units shares the same upright post, and the two steel support equivalent wall units are arranged around the upright post in a 90-degree crossed manner to form a cross-shaped steel support combined wall unit, so that the flexible arrangement of a building wall body can be met, and the lateral stiffness, lateral bearing capacity and stability of a building are further improved.
Drawings
Fig. 1 is a schematic structural diagram of a steel-supported equivalent wall unit according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a steel-supported equivalent wall unit according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a "cross-shaped" combination wall unit according to another embodiment of the present invention.
Reference numerals are as follows:
1-column
2-transverse beam section
3-X type support
31-diagonal brace
4-flange side connecting plate
5-Add Rib of neck
6-diaphragm plate
Detailed Description
In order to improve the lateral stiffness, the bearing capacity and the stability of a building and improve the adaptability to the diversified arrangement of the building, the embodiment of the invention provides a steel support equivalent wall unit and a combined wall unit formed by combining the steel support equivalent wall units. In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.
Referring to fig. 1, the steel-supported equivalent wall unit provided by an embodiment of the present invention includes an upright 1, an X-shaped support 3, and a plurality of transverse beam sections 2 horizontally disposed and connected to the upright 1 and the X-shaped support 3, wherein the X-shaped support 3 includes four coplanar and symmetrically disposed diagonal braces 31, and one end of each diagonal brace 31 is connected to the middle of the upright 1, and the other end is connected to the corresponding transverse beam section 2.
The steel support equivalent wall unit provided by the embodiment of the invention comprises an upright post, an X-shaped support and a plurality of transverse beam sections which are horizontally arranged and connected with the upright post and the X-shaped support, wherein the X-shaped support comprises four inclined supporting rods which are symmetrically arranged in a coplanar manner, one end of each inclined supporting rod is connected with the middle part of the upright post, and the other end of each inclined supporting rod is connected with the corresponding transverse beam section. The X-shaped supports composed of the plurality of diagonal braces symmetrically act on the middle of the stand column to prevent the stand column from buckling and collapsing caused by lateral force, so that the lateral bearing capacity and stability of the building are improved, the problem of external corners of the convex columns is solved, and the adaptability to the diversity arrangement of the building is improved.
The embodiment of the invention does not specifically limit the selection of the upright column of the steel support equivalent wall unit, and the upright column comprises a rectangular steel pipe column, a circular steel pipe column, a rectangular steel pipe concrete column, a circular steel pipe concrete column, an I-shaped steel column, a cross H-shaped steel column, a double-groove-shaped steel column or an L-shaped, T-shaped or groined-shaped special-shaped combined section steel column. In practical application, constructors can select the steel structure according to the service environment and requirements of the steel structure. In the embodiment of the invention, each transverse beam section of the steel support equivalent wall unit is an I-shaped steel beam. The rectangular steel tube concrete column and the circular steel tube concrete column in the embodiment are the rectangular steel tube column and the circular steel tube column which are filled with concrete.
In the embodiment of the invention, the connecting joint of the upright column and the transverse beam section is determined according to the section form of the upright column. Specific selection references are as follows:
when the upright column is a rectangular steel pipe column or a rectangular steel pipe concrete column, an inner ring plate or an outer ring plate is arranged on the upright column at the joint of the transverse beam section and the upright column, or flange side connecting plates are arranged on two sides of a flange plate of the transverse beam section in a fitting manner, and the sum of the width of the flange plate of the transverse beam section and the thickness of the two flange side connecting plates is not more than the side length of the section of the upright column;
when the upright column is a circular steel pipe column or a circular steel pipe concrete column, an inner ring plate or an outer ring plate is arranged on the upright column at the joint of the transverse beam section and the upright column;
when the upright column is an I-shaped steel column, a cross-shaped steel column, a double-groove-shaped steel column or an L-shaped, T-shaped or groined-shaped special-shaped combined section steel column, a transverse partition plate is arranged on the upright column at the joint of the transverse beam section and the upright column. Furthermore, a transverse clapboard is arranged on the upright post at the joint of the middle part of the upright post and the diagonal rod.
The embodiment of the invention also does not specifically limit the selection of the diagonal brace of the steel support equivalent wall unit, and the diagonal brace can comprise a round steel pipe, a rectangular steel pipe, an I-shaped steel support, a T-shaped steel support, an L-shaped steel support, a groove-shaped steel support and a cross-shaped steel support, and can also be energy dissipation and shock absorption components such as a damper, a buckling-restrained brace and the like. The energy dissipation and shock absorption component is characterized in that an energy dissipater is installed in a structural component, the structural damping is artificially increased, and the vibration energy of the structural component when the structural component is impacted is consumed, so that the vibration reaction of the structure is reduced, and the anti-seismic performance of the structural component is improved.
In another embodiment of the invention, the transverse beam sections are connected with the beam web of the steel structure through connecting plate bolts, and the flanges are connected by butt welding seams or connected through connecting plate bolts. In the installation process of the whole steel structure, each transverse beam section is an I-shaped steel beam, the web plate of the transverse beam section and the web plate of the transverse beam of the whole steel structure are connected through a connecting plate bolt, and the flanges are connected through a butt welding seam or through a connecting plate bolt, so that the structural stability of the steel support equivalent wall unit provided by the embodiment of the invention can be further improved.
In a specific embodiment of the invention, the upright column 1 is a rectangular steel tube upright column or rectangular steel tube concrete, the transverse beam section 2 is I-shaped steel, and the X-shaped support is a circular steel tube. As shown in fig. 1, four upper and lower transverse beam sections 2 are respectively connected to two sides of a rectangular steel tube upright post 1, and flange side connecting plates 4 are attached to two sides of a flange plate at the joint of the transverse beam sections 2 and the square steel tube upright post 1. The setting of edge of a wing side connecting plate 4 can guarantee that the power of horizontal beam section 2 effectively transmits stand 1, and cross slab in the stand 1 need not setting up, and the node way is simple, and pour the concrete in being convenient for.
Further, as shown in fig. 1, in the steel supported equivalent wall unit according to the embodiment of the present invention, the sum of the width of the flange plate of the transverse beam section and the thickness of the connecting plate at the two flange sides is not greater than the length of the cross section side of the rectangular steel pipe column. The width of the flange plate and the thickness of the flange side connecting plate can be set to fully ensure that the connection between the transverse beam section and the upright column is not influenced by the size, so that the assembly efficiency of the assembly type steel structure is improved.
Further, as shown in fig. 1, one end of each of four diagonal braces 31 of the X-shaped support 3 is welded to the side of the column 1, the other end is welded to the transverse beam section 2, and a stiffener 5 is required to be disposed at the joint with the transverse beam section 2.
In another embodiment of the present invention, the vertical columns 1 are i-shaped steel columns, the transverse beam sections 2 are i-shaped steel, and the X-shaped supports are circular steel tubes. As shown in fig. 2, the two sides of the i-shaped upright post 1 are respectively connected with an upper transverse beam section and a lower transverse beam section, and a transverse clapboard 6 is arranged at the joint of the i-shaped upright post 1 and the transverse beam section 2. One end of each of four diagonal braces 31 of the X-shaped support 3 is connected with the middle of the I-shaped upright post 1 in a welding mode, a transverse partition plate 6 is needed to be arranged at the joint, the other end of each diagonal brace is connected with the transverse beam section 2 in a welding mode, and stiffening ribs 5 are needed to be arranged at the joint.
Yet another embodiment of the present invention provides a "cross-shaped" sectional wall unit, as shown in fig. 3, comprising two steel support equivalent wall units as described above. Two steel shotcrete equivalent wall units are 90 degrees contained angles, and the cross arrangement, and two same stands of steel shotcrete equivalent wall unit sharing, the horizontal beam section 2 and the X type of every steel shotcrete equivalent wall unit support 3 and two side symmetric connections of stand 1. The cross-shaped combined wall unit provided by the embodiment of the invention forms a cross-shaped steel support combined wall unit, can meet the flexible arrangement of a building wall body, and further improves the lateral stiffness resistance, lateral bearing capacity resistance and stability of a building.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of 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.