CN112681564A - Installation method of corrugated steel plate composite wall structure system - Google Patents
Installation method of corrugated steel plate composite wall structure system Download PDFInfo
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Abstract
A method for installing a corrugated steel plate composite wall structure system comprises the following steps: step 1, mounting the corrugated steel plate composite wall: s1-4, performing concrete pouring on the connecting area and the rectangular steel pipe through a grouting opening to finish the installation of the corrugated steel plate composite wall; step 2, mounting the steel beam: s2-1, hoisting a hinged steel beam to be connected to the sheet composite wall to a specified installation position; s2-2, connecting a steel beam web plate and a connecting plate which is welded on a rectangular steel pipe of the corrugated steel plate composite wall in advance by using a high-strength bolt to complete the connection between the hinged steel beam and the composite wall; and step 3, installing the floor slab: s3-1, hoisting the prefabricated part of the floor slab to a specified installation position for installation, wherein the position jointed with the steel beam is placed on the flange of the hinged steel beam, and the position jointed with the combined wall is placed on a pre-welded L-shaped connecting piece; and S3-2, after the floor slab prefabricated parts are all installed, performing concrete pouring on the whole floor slab to form a floor slab cast-in-place part, and finishing the installation of the complete floor slab.
Description
Technical Field
The invention relates to the technical field of structural engineering.
Background
The steel structure has the advantages of light weight, high strength, good shock resistance, industrial production, high construction speed, material recycling and the like, and is widely applied to developed countries such as America, Japan, Britain and the like, the steel structure building accounts for more than 40% of the total building amount, and the proportion of the steel structure building in China is less than 5%.
The assembled steel-concrete combined structure house has the advantages of high industrialization degree, good product quality, short construction period, good earthquake resistance, high comprehensive technical and economic indexes and the like, and is one of the assembled building systems which are mainly supported and developed by the nation. The existing multi-story and high-rise fabricated steel-concrete combined structure house can be generally divided into two major structural systems, namely a steel-concrete combined column frame-support (shear wall) structure and a steel-concrete combined shear wall (steel tube bundle concrete shear wall or steel plate shear wall and the like) structure. In order to meet the functional requirements of residential buildings and the use habits of users, the building planes are required to be flexibly arranged, so that the axes of all rooms are usually arranged in a staggered mode.
When the steel structure is applied to residential buildings, the traditional technology mostly adopts structural systems such as steel frames, steel tube bundle shear walls and the like. Due to the characteristics of complex and variable plane arrangement of residential buildings and the limitation of the section form and the construction mode of components, the problems of exposed beams and exposed columns, limited structural arrangement, large field welding amount of vertical components, complex beam-column connection node construction and the like exist in the practical application of the existing structural system, and the application of the assembly type steel structural system in residential projects is severely limited. Specifically, the method comprises the following steps:
as shown in the example screenshot in fig. 1, the problem of exposed columns when the frame structure is adopted affects the applicable functions of the building.
As shown in fig. 2, when the beam and the shear wall need to be rigidly connected, the connection structure is very complex, and the difficulty of site operation is also high.
As shown in two schematic diagrams of fig. 3, in the conventional fabricated steel-concrete composite shear wall structural system, vertical members need to be welded in a full section, and the welding amount on site is large.
As shown in fig. 1, fig. 2, and fig. 3, based on the components, the node structures, and the corresponding construction processes of the shear wall structural system, it is shown through practice that: although the shear wall structure system can well meet the requirement of flexible plane of high-rise residential buildings,however, the fabricated steel-concrete composite shear wall structural system is as follows: complicated and vertical component of rigid connection node structure of beam and shear wall The problems of large steel consumption, large construction difficulty, high overall cost and the like caused by large welding amount of connection sites and large fireproof coating area of the shear wall The problem is that the application of the assembled steel-concrete combined structural system in the residential building is severely limited. Due to the problems, a bottleneck exists, and popularization and application are influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and discloses a novel steel-concrete combined structural system and a member which can obviously reduce the steel consumption and the manufacturing and installation cost and are suitable for flexible arrangement of building planes on the premise of ensuring the structural bearing capacity and the anti-seismic performance. Further aims disclose a matched design method and a matched installation method.
In order to achieve the purpose, the invention adopts the following technical scheme:
technical scheme one
The utility model provides a corrugated steel plate composite wall structure system suitable for steel construction house which characterized in that, the design principle promptly: the design is novel corrugated steel plate combined wall as resisting side component unit, through adopting the design idea of resisting side and bearing separation of structural system, according to building function demand, arrange sufficient and the appropriate difference of cross sectional shape in the suitable positionCorrugated steel plate combined wall Anti side component(abbreviation)Anti-side member unit) (ii) a The anti side member unit is connected through articulated girder steel between horizontal, and anti side member unit vertically carries out the piece together of node and connects to form novel structural system. At the same time, toThe novel structure system carries out the overall analysis, designs corrugated steel plate combination wall and articulated girder steel according to structure atress analytic result, solves the exposed beam that present assembled steel structure system exists and exposes the post, the big problem of on-the-spot installation work load.
The above-mentionedThe side resisting component unit is a straight corrugated steel plate combined wall, and the unit moduleConstitute and go up including rectangle steel pipe post (2), wave folding steel sheet (3), reinforcing bar net piece (4) and concrete (5), wherein: the rectangular steel pipe column (2) can be formed by cold bending or welding steel plates; the corrugated steel plate (3) is connected with the rectangular steel pipes (2) at the two ends through welding seams,placed transversely of the corrugationsThe outermost side of the wave crest is flush with the outer side of the rectangular steel pipe; after the reinforcing mesh (4) is formed by spot welding or binding orthogonal reinforcing steel bars, welding the vertical reinforcing steel bars 8 thereof to the inner side of the corrugated steel plate (3) by spot welding; assembling the rectangular steel pipe columns (2), the corrugated steel plates (3) and the reinforcing mesh sheets (4) to form a combined wall framework; and the inner filling concrete (5) is poured into a cavity formed by the rectangular steel pipe (2) and the corrugated steel plate (3) with the reinforcing mesh sheets (4) at two sides, so that the rectangular steel pipe-corrugated steel plate combined wall is formed.
The above-mentionedAnti-side member unitAccording to the building function requirement, enough different unit modules with proper section shapes are arranged at proper positions, and the typical section shapes are as follows: straight, L, T, Z, cross, etc.
The vertical splicing connection of the nodes comprises three aspects:
the above-mentionedAnti-side member unitThe middle rectangular steel pipe (2) is welded by adopting a butt weld 11 with a full section;
the above-mentionedAnti-side member unitThe vertically distributed reinforcing steel bars 8 of the wall body are required to be lapped;
the above-mentionedAnti-side member unitA connecting area is reserved between the vertical walls;
after this is done, the corrugated board is replenished and filled with concrete (13).
Technical scheme two
A design method of a corrugated steel plate composite wall structure system is characterized in that a corrugated steel plate composite wall and a hinged steel beam are firstly preliminarily arranged according to a construction drawing; carrying out modeling analysis on the preliminary arrangement to obtain mechanical parameters of each component design and eliminating an arrangement scheme which cannot ensure the structural safety through checking calculation; designing specific corrugated steel plate composite walls and hinged steel beams according to mechanical parameters of the components, namely determining the section specification of each specific component; and then designing the connecting nodes according to the section specification of each component.
Specifically, the design method sequentially comprises the following steps:
step 1, obtaining possible arrangement positions of the corrugated steel plate composite wall and the hinged steel beams according to a building plane arrangement drawing.
And 3, designing the components according to the stress conditions of the corrugated steel plate composite wall and the hinged steel beams, and determining the section size of the corrugated steel plate composite wall and the section specification of the hinged steel beams.
And 4, designing a splicing structure of the corrugated steel plate composite wall and a hinged joint structure of a hinged steel beam end according to the section size of the corrugated steel plate composite wall and the section specification of the hinged steel beam and by combining the stress condition.
Technical scheme three
A method for installing a corrugated steel plate composite wall structure system is characterized by comprising the following steps:
step 1, mounting the corrugated steel plate composite wall:
s1-1, hoisting the upper corrugated steel plate composite wall 100-A to the structural installation position of the lower corrugated steel plate composite wall 100-B, and performing installation and pre-fixing;
s1-2, aligning the rectangular steel pipes 2 of the upper corrugated steel plate composite wall and the lower corrugated steel plate composite wall, and then performing full-section welding to ensure the continuity and integrity of welding seams;
s1-3, supplementing the corrugated steel plates with the same size prepared in advance to the connecting area; ensuring that the connecting area is completely closed by the supplemented corrugated steel plate; after the correctness is confirmed, welding the supplemented corrugated steel plate and the rectangular steel pipe of the corrugated steel plate combined wall, and fixing the supplemented corrugated steel plate;
s1-4, pouring concrete into the connecting area and the rectangular steel pipe through the grouting port, ensuring that the whole connecting area is completely filled with the concrete, and completing the installation of the corrugated steel plate composite wall;
s2-1, hoisting the hinged steel beam 6-1 to be connected to the combined wall to a specified installation position;
s2-2, connecting a steel beam web plate and a connecting plate 9 which is welded on the rectangular steel pipe 2 of the corrugated steel plate composite wall in advance by using a high-strength bolt 14 to complete the connection between the hinged steel beam 6-1 and the composite wall;
and step 3, installing the floor slab:
s3-1, hoisting the floor slab prefabricated part 200-2 to a specified installation position for installation, wherein the position connected with the steel beam is placed on the flange of the hinged steel beam 6-1, and the position connected with the combined wall 100 is placed on the L-shaped connecting piece 15 welded in advance;
s3-2, after the floor slab prefabricated parts 200-2 are installed, concrete is poured on the whole floor slab to form a floor slab cast-in-place part 200-1, and the installation of the complete floor slab is completed.
The invention has the beneficial effects that: the corrugated steel plate combined walls are arranged at the proper positions, and the hinged steel beams are used for completing connection between the combined walls, so that the requirements of residential building functions and plane arrangement can be effectively met, the field installation difficulty is simplified, and the problems of beam exposure and column exposure and large field installation workload of the traditional steel structure residential system are well solved.
Drawings
FIG. 1 is a diagram of a case screenshot of a prior art architecture;
FIG. 2 is a second example screenshot of a prior art architecture;
FIG. 3 is a third example screenshot of a prior architecture;
FIG. 4 is a schematic structural view of a side-resisting member unit of the present invention;
FIG. 5 is an illustration of a side member unit of different cross-section according to the embodiment;
fig. 6 is a schematic diagram illustrating the arrangement positions of the corrugated steel plate composite wall and the hinged steel beams according to the embodiment of the present invention;
FIG. 7 is a structural diagram of a corrugated steel plate composite wall coupled wall according to an embodiment of the present invention;
FIG. 8 is a diagram of a beam-end connection configuration for a hinged steel beam according to an embodiment of the present invention;
FIG. 9 is a vertical connection structural diagram of a corrugated steel plate composite wall according to an embodiment of the present invention;
FIG. 10 is a flow chart of a design method provided by an embodiment of the present invention;
fig. 11 is a flowchart of an installation method provided in embodiment 4 of the present invention;
fig. 12 is a schematic view illustrating alignment of upper and lower corrugated steel plate composite walls according to embodiment 4 of the present invention;
FIG. 13 is a schematic view of a rectangular steel pipe welding of a corrugated steel plate composite wall according to embodiment 4 of the present invention;
FIG. 14 is a schematic view of a corrugated steel plate added to a joint of a corrugated steel plate composite wall according to an embodiment of the present invention;
fig. 15 is a schematic view illustrating a connection between a steel beam and a corrugated steel plate composite wall according to embodiment 4 of the present invention;
fig. 16 is a schematic view of the connection between the floor slab and the corrugated steel plate composite wall and the steel beam provided in embodiment 4 of the present invention.
Fig. 17 is a schematic view of a steel coupling wall of a rectangular steel tube-corrugated steel plate composite wall according to embodiment 5 of the present invention.
Fig. 18 is a schematic structural view of the horizontal stiffener of fig. 17.
Part of the numerical notation:
a corrugated steel plate composite wall 100; the L-shaped corrugated steel plate composite wall 100-1; the straight corrugated steel plate composite wall 100-2; 100-3 of a cross corrugated steel plate combined wall; the upper corrugated steel plate composite wall 100-A; the lower corrugated steel plate composite wall 100-B;
6-1 of a hinged steel beam; 7-1 of energy consumption connecting beam; an energy dissipation combined coupled wall (cylinder) 7;
steel bar lapping 12; the corrugated plate is supplemented and the concrete area 13 is filled; a high-strength bolt 14; an L-shaped connecting member 15; a connecting plate 9; a grouting port 16;
a floor cast-in-place part 200-1; a floor slab prefabricated part 200-2;
supplementary joint area corrugated steel plate 3-1; welding positions 11-2 on two sides of the corrugated steel plate;
Detailed Description
The technical solutions provided in the present application will be further described with reference to the following specific embodiments and accompanying drawings. The advantages and features of the present application will become more apparent in conjunction with the following description.
It should be noted that the embodiments of the present application have a better implementation and are not intended to limit the present application in any way. The technical features or combinations of technical features described in the embodiments of the present application should not be considered as being isolated, and they may be combined with each other to achieve a better technical effect. The scope of the preferred embodiments of this application may also include additional implementations, and this should be understood by those skilled in the art to which the embodiments of this application pertain.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
The drawings in the present application are in simplified form and are not to scale, but rather are provided for convenience and clarity in describing the embodiments of the present application and are not intended to limit the scope of the application. Any modification of the structure, change of the ratio or adjustment of the size of the structure should fall within the scope of the technical disclosure of the present application without affecting the effect and the purpose of the present application. And the same reference numbers appearing in the various drawings of the present application designate the same features or components, which may be employed in different embodiments.
Example 1
The utility model provides a corrugated steel plate composite wall structure system suitable for steel construction house which characterized in that, principle promptly: the design is novel corrugated steel plate combined wall as resisting side component unit, through adopting the design idea of resisting side and bearing separation of structural system, according to building function demand, arrange sufficient and the appropriate difference of cross sectional shape in the suitable positionCorrugated steel plate composite wall side resistance Component(abbreviation)Side member resisting unit, FIG. 4) (ii) a The anti side member unit is connected through articulated girder steel between horizontal, and anti side member unit vertically carries out the piece together of node and connects to form novel structural system. Simultaneously, carry out the overall analysis to new novel structure system, design corrugated steel plate combination wall and articulated girder steel according to structure atress analytic result, solve the exposed roof beam that present assembled steel structure system exists and expose the post, the big problem of on-the-spot installation work load.
The overall analysis of the novel structure system and the analysis according to the structural stress belong to mature knowledge and technology in the field, and are not the innovation point of the invention.
The above-mentionedThe side resisting component unit is a straight corrugated steel plate combined wall, and the unit moduleConstitute and go up including rectangle steel pipe post (2), wave folding steel sheet (3), reinforcing bar net piece (4) and concrete (5), wherein: the rectangular steel pipe column (2) can be formed by cold bending or welding steel plates; the corrugated steel plate (3) is connected with the rectangular steel pipes (2) at two ends through welding seams (11),placed transversely of the corrugationsThe outermost side of the wave crest is flush with the outer side of the rectangular steel pipe; after the reinforcing mesh (4) is formed by spot welding or binding orthogonal reinforcing steel bars, welding the vertical reinforcing steel bars 8 thereof to the inner side of the corrugated steel plate (3) by spot welding; assembling the rectangular steel pipe columns (2), the corrugated steel plates (3) and the reinforcing mesh sheets (4) to form a combined wall framework; the filling concrete (5) is poured into a cavity formed by the rectangular steel pipe (2) and the corrugated steel plates (3) with the reinforcing mesh sheets (4) at two sides to formRectangular steel pipe-corrugated steel plate combined wall.
The above-mentionedAnti-side member unitEnough different unit modules with appropriate cross-sectional shapes are arranged at appropriate positions according to the building function requirements. By way of example and not by way of exhaustive enumeration, the use case shown in FIG. 6 and the production of individual unit modules (FIG. 5),anti-side structure Element unitSeveral types can be derived depending on the cross section: straight, L, T, Z, cross, etc.
The above-mentionedAnti-side member unitThe combined wall body can be used as a bearing part of the combined wall body and can also be used as a template for pouring concrete on site, and the manufacturing efficiency of the combined wall body is improved.
The vertical splicing connection of the nodes is carried out, and the specific splicing structure comprises three aspects (fig. 7, 8 and 9):
the above-mentionedAnti-side member unitThe middle rectangular steel pipe (2) is welded by adopting a butt weld 11 with a full section;
the above-mentionedAnti-side member unitThe vertically distributed reinforcing steel bars 8 of the wall body are required to be lapped;
the above-mentionedAnti-side member unitA connecting area is reserved between the vertical walls;
after this is done, the corrugated board is replenished and filled with concrete (13).
The operations are all conventional processes and operations in the field in engineering, and do not need to depend on special equipment.
Further, in the structural system of the invention:
in connection and position relation, the rectangular steel pipe concrete column (2) is positionedAnti-side member unitThe end part is connected with the rectangular steel pipe concrete columns (2) at two ends through corrugated steel plates (3) through welding seams, so that an integral combined wall body is formed; connecting longitudinal steel bars of the steel bar mesh (4) with the corrugated steel plate (3) through spot welding at intervals, and welding the longitudinal steel bars with the rectangular steel pipe (2) after the longitudinal steel bars and the corrugated steel plate (3) are integrated; the tip rectangle steel (3) pipe of upper and lower layer wall body passes through welded connection, and the vertical reinforcing bar 8 of reinforcing bar net piece (4) only needs the overlap joint, when guaranteeing mechanical properties, can simplify the structure between the upper and lower layer combination wall body, effectively improves site operation installation effectiveness.
In the aspect of stress and functional design, the corrugated steel plate (3) is transversely placed along the corrugations and only bears horizontal load; the corrugated steel plate has the functions of the transverse stressed steel bars of the combined wall and the concrete pouring template, the advantage of high plane external rigidity of the corrugated steel plate is played, and the overall steel consumption of the structure is reduced; wherein, the longitudinal steel bar 8 of the steel bar net piece (4) is connected with the wave crest at the inner side of the corrugated steel plate (3) by spot welding and is used as the longitudinal and transverse stressed steel bar of the corrugated steel plate-reinforced concrete shearing force; after the rectangular steel tube concrete column (2) is made of high-strength steel and high-strength concrete, the vertical bearing capacity of the combined wall is further improved and ensured; the rectangular steel tube concrete column (2) is also used as an edge member of the combined shear wall, so that the common working performance of the combined wall is effectively improved, and the anti-seismic performance of the combined wall is improved.
Wherein, theAnti-side member unitIn the middle, the rectangular steel pipe concrete column bears vertical and horizontal loads simultaneously, and fire resistance design and fire resistance protection are carried out according to the requirements of national relevant specificationsPlaced in the transverse directionThe corrugated steel plate does not bear vertical load, and fire protection is not needed according to the standard, so that fire-resistant and fire-proof procedures and cost (material cost, labor cost and time cost) are almost saved in the engineering due to the advantages brought by the technical scheme.
The modular design of the anti-side component units, the hinged design of the transverse and beam components, the vertical splicing design and the structural design of the anti-side component units are combined, so that the technology of the invention brings great economic significance to engineering implementation and popularization.
Example 2
Based on embodiment 1, a set of design methods for implementing the architecture is further disclosed.
As shown in fig. 10, the design method of the corrugated steel plate composite wall structure system sequentially includes the following steps:
s1, obtaining possible arrangement positions of the corrugated steel plate composite wall and the hinged steel beams according to a building plane arrangement drawing;
according to the specific building plane arrangement condition, selecting different cross-sections with different shapes, L shapes, T shapes, Z shapes, cross shapes and the like suitable for actual requirementsA side member resisting unit.The walls are connected by hinged steel beams (6-1)。
Under the condition, energy dissipation combined coupled wall bodies (cylinder bodies) (5) with higher lateral rigidity resistance can be arranged in combination with positions such as staircases and elevator cars, and the wall bodies in the cylinder bodies are connected through energy dissipation coupled beams (6-2). When an earthquake occurs, the earthquake energy can be dissipated through the deformation of the energy dissipation connecting beam (6-2), and the safety of the main body structure is ensured. This part is determined according to application requirements and common knowledge in the field, belongs to selective additional technical measures, and is not necessary technical measure of the technical scheme of the invention.
S2, modeling and analyzing the structure according to the arrangement positions of the corrugated steel plate combination wall and the hinged steel beams in the step S1. In the analysis model, the corrugated steel plate composite wall is analyzed according to a shear wall of a square steel pipe-corrugated steel plate-concrete composite structure, and meanwhile, the rotational freedom degree of a beam end is released for a steel beam according to a specific node structure. And determining the stress conditions of the corrugated steel plate composite wall and the hinged steel beam. As examples and general knowledge in the art, the overall mode shape, period, and deformation of the structure should be considered.
S3 according to the stress of the corrugated steel plate composite wall and the hinged steel beam of step S2,designing a componentAnd determining the section size of the corrugated steel plate composite wall and the section specification of the hinged steel beam. The parameters including the section size of the rectangular steel pipe (2), the diameter and the distribution interval of the wall distribution steel bars (8), the thickness of the corrugated steel plate (3), the strength grade of the concrete (5), the section size of the hinged steel beam (6-1) and the like are determined according to the stress condition.
S4, according to the section size of the corrugated steel plate combination wall and the section specification of the hinged steel beam in the step S3, combining the stress condition in the step S2,splicing structure for designing corrugated steel plate composite wall and hinged joint structure for hinged steel beam ends。
As an embodiment, the beam end connecting node of the hinged steel beam is mainly used for reliably connecting a web plate of the hinged steel beam (6-1) with a rectangular steel pipe (2) of the corrugated steel plate composite wall through a high-strength bolt (14). This section is conventional.
Example 3
Based on the design operation method of the embodiment 2, the embodiment envisages the development of a set of application software for designing and outputting a structural architecture case.
By way of example and not limitation, the application software comprises a construction database, a splicing construction model and a splicing construction model, wherein the construction database comprises three prefabricated splicing construction models, including prefabricated anti-side component unit modules with different cross sections and different shapes; the application software algorithm process is as follows:
step 1, inputting a building plane layout electronic drawing, obtaining possible arrangement positions of a corrugated steel plate combined wall and a hinged steel beam in a plane space according to the electronic drawing, and providing a step 2 after screening;
In the analysis model, the corrugated steel plate composite wall is analyzed according to a shear wall of a square steel pipe-corrugated steel plate-concrete composite structure, and meanwhile, the steel beam releases the rotational freedom degree of the beam end according to a node structure form. Combining the basic stress requirements of the members and the analysis result of the overall index, if the relevant index is unreasonable, returning to the step 1, and adjusting the arrangement of the corrugated steel plate composite wall and the hinged steel beam; and if the relevant indexes are reasonable, determining the stress conditions of the corrugated steel plate composite wall and the hinged steel beam, outputting stress parameters, providing the step 3 and the step 4, and entering the next step.
And 4, taking three types of splicing construction models according to the stress condition, and designing and displaying the splicing construction of the corrugated steel plate composite wall and the hinged joint construction of the hinged steel beam end.
Example 4
Based on the technical solutions disclosed in embodiment 1 and embodiment 2, a method for installing a corrugated steel plate composite wall structural system in the present embodiment is further disclosed, which specifically includes the following steps (see fig. 11):
step 1, mounting the corrugated steel plate composite wall:
s1-1, hoisting the upper corrugated steel plate composite wall 100-A to the structural installation position of the lower corrugated steel plate composite wall 100-B, and performing installation and pre-fixing (see figure 12);
s1-2, aligning the rectangular steel pipes 2 of the upper corrugated steel plate composite wall and the lower corrugated steel plate composite wall, and then performing full-section welding to ensure the continuity and integrity of welding seams (see figure 13);
s1-3, the corrugated steel plate of the same size prepared in advance is supplemented to the joining area. Ensuring that the connecting region is completely closed by the additional corrugated steel sheet. After the confirmation of no error, welding the supplemented corrugated steel plate with the rectangular steel pipe of the corrugated steel plate combination wall, and fixing the supplemented corrugated steel plate (see fig. 13 and 14);
and S1-4, pouring concrete into the connecting area and the rectangular steel pipe through the grouting port, and ensuring that the whole connecting area is completely filled with the concrete, thereby completing the installation of the corrugated steel plate composite wall (see figure 14).
s2-1, hoisting the hinged steel beam 6-1 to be connected to the combined wall to a specified installation position;
s2-2, connecting the steel beam web plate and the connecting plate 9 which is welded on the rectangular steel pipe 2 of the corrugated steel plate composite wall in advance by using the high-strength bolt 14 to complete the connection between the hinged steel beam 6-1 and the composite wall.
And 3, mounting the floor slab, referring to the schematic diagram of fig. 16:
s3-1, hoisting the floor slab prefabricated part 200-2 to a designated installation position for installation, wherein the position connected with the steel beam is placed on the upper flange of the hinged steel beam 6-1, and the position connected with the combined wall 100 is placed on the L-shaped connecting piece 15 welded in advance.
S3-2, after the floor slab prefabricated parts 200-2 are installed, concrete is poured on the whole floor slab to form a floor slab cast-in-place part 200-1, and the installation of the complete floor slab is completed.
This embodiment has guaranteed structural component's atress performance through carrying out full section welding to the rectangle steel pipe of combination wall. Through with the connecting plate 9 on girder steel web and the corrugated steel plate combination wall use high strength bolt 14 to carry out effective connection, simplified beam column connected node greatly, reduced the required precision of installation. And the L-shaped connecting piece prefabricated on the corrugated steel plate composite wall is used for completing the laying connection of the floor slab, so that the problem that the floor slab needs to be connected with the full section of a vertical component in the traditional method is solved, and the installation difficulty is reduced.
The method is suitable for mounting a corrugated steel plate composite wall structure system of an assembled house, can realize full-section welding of main bearing vertical components, and effectively reduces the field welding workload of mounting processes such as vertical component connection, beam column connection, floor slab mounting and the like. Therefore, on the premise of ensuring the structure safety and the construction safety, the on-site installation efficiency is effectively improved, and the installation period is shortened.
Example 5
Aiming at the joint of the rectangular steel pipe-corrugated steel plate composite wall in the embodiment 1, the embodiment further discloses a connecting beam which is high in modularization assembly degree, suitable for industrial flow line production and integrated with energy consumption and structure. The connection mode is convenient for construction and installation, can save a large amount of labor cost, and has great practical engineering significance in high-fabricated buildings. The embodiment solves the problem of connection of the rectangular steel pipe-corrugated steel plate combined wall in the embodiment 1.
The generalized technical scheme is as follows: the rectangular steel pipe-corrugated steel plate combined wall steel connecting beam coupled wall is a rectangular steel pipe-corrugated steel plate combined wall steel connecting beam connecting structure and comprises a rectangular steel pipe-corrugated steel plate combined wall, steel connecting beams, T-shaped steel columns and stiffening ribs; the web plates of the T-shaped steel columns are respectively welded with the rectangular steel pipes on the two sides of the combined wall, the web plates and the welded rectangular steel pipe wall plates form an I-shaped section column, and the I-shaped section column and the steel connecting beams form a frame substructure, so that the overall bearing performance of the coupled wall structure and the coordinated working performance of the rectangular steel pipe-corrugated steel plate combined wall are enhanced.
A connection node formed by connecting two corrugated steel plate walls will be described as an example.
100 size of rectangular steel pipe-corrugated steel plate combined wall and second rectangleThe steel pipe-corrugated steel plate composite wall 100 has a size matching with the steel pipe-corrugated steel plate composite wall300H-shaped steel and T-shaped steelColumn400. Formed by stiffening ribs 500A coupled wall structure.
The rectangular steel pipe wall in the rectangular steel pipe-corrugated steel plate combined wall is welded and connected with the end part of a vertically arranged T-shaped steel column 400, the flange of the T-shaped steel column 400 is welded and connected with I-shaped steel 300 which is horizontally distributed at equal intervals, and a horizontal stiffening rib 500 is arranged at the web part of the T-shaped steel column 400 corresponding to the flange of the I-shaped steel 300.
The technical scheme is as follows: the rectangular steel pipes on the two sides of the combined wall not only play the advantage of convenient welding with the T-shaped steel column, but also play the role of the flange of the formed I-shaped section column when being connected with the T-shaped steel column. The steel connecting beam arranged transversely is connected with flanges of T-shaped steel columns at two sides through welding seams, and horizontal stiffening ribs are arranged on the I-shaped section column at the corresponding position of the flange of the connecting beam to form a rigid connection node, so that end bending moment on the steel connecting beam can be effectively transmitted to the I-shaped section column. The installation sequence can be that the T-shaped steel column is connected with the rectangular steel pipes on the two sides of the combined wall through welding seams on site or in a factory, then the transverse stiffening ribs at the corresponding positions of the flanges of the steel coupling beam are welded, and finally the steel coupling beam is welded; or welding the T-shaped steel column and the steel connecting beam to form a 'sub-frame structure' in a factory, and then welding the 'sub-frame structure' with the rectangular steel pipes on the two sides of the composite wall through the web plate of the T-shaped steel column on site.
Firstly, respectively obtaining the sizes of a first rectangular steel pipe-corrugated steel plate combined wall and a second rectangular steel pipe-corrugated steel plate combined wall according to the requirement of shear-resistant bearing capacity; determining the connection distance of the two rectangular steel pipe-corrugated steel plate combined walls according to the arrangement; prefabricating I-shaped steel and T-shaped steel with corresponding sizes in a factory, and welding and connecting the I-shaped steel and the T-shaped steel to form a connecting beam; during on-site construction, the end part of the connecting beam T-shaped steel is welded with the wall of the rectangular steel pipe of the corresponding rectangular steel pipe-corrugated steel plate composite wall.
Claims (1)
1. A method for installing a corrugated steel plate composite wall structure system is characterized by comprising the following steps:
step 1, mounting the corrugated steel plate composite wall:
s1-1, hoisting the upper corrugated steel plate composite wall 100-A to the structural installation position of the lower corrugated steel plate composite wall 100-B, and performing installation and pre-fixing;
s1-2, aligning the rectangular steel pipes 2 of the upper corrugated steel plate composite wall and the lower corrugated steel plate composite wall, and then performing full-section welding to ensure the continuity and integrity of welding seams;
s1-3, supplementing the corrugated steel plates with the same size prepared in advance to the connecting area; ensuring that the connecting area is completely closed by the supplemented corrugated steel plate; after the correctness is confirmed, welding the supplemented corrugated steel plate and the rectangular steel pipe of the corrugated steel plate combined wall, and fixing the supplemented corrugated steel plate;
s1-4, pouring concrete into the connecting area and the rectangular steel pipe through the grouting port, ensuring that the whole connecting area is completely filled with the concrete, and completing the installation of the corrugated steel plate composite wall;
step 2, mounting the steel beam:
s2-1, hoisting the hinged steel beam 6-1 to be connected to the combined wall to a specified installation position;
s2-2, connecting a steel beam web plate and a connecting plate 9 which is welded on the rectangular steel pipe 2 of the corrugated steel plate composite wall in advance by using a high-strength bolt 14 to complete the connection between the hinged steel beam 6-1 and the composite wall;
and step 3, installing the floor slab:
s3-1, hoisting the floor slab prefabricated part 200-2 to a specified installation position for installation, wherein the position connected with the steel beam is placed on the flange of the hinged steel beam 6-1, and the position connected with the combined wall 100 is placed on the L-shaped connecting piece 15 welded in advance;
s3-2, after the floor slab prefabricated parts 200-2 are installed, concrete is poured on the whole floor slab to form a floor slab cast-in-place part 200-1, and the installation of the complete floor slab is completed.
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