CN111379329A - Connecting node structure of silicon-magnesium wallboard and steel structure of steel structure house and construction method thereof - Google Patents
Connecting node structure of silicon-magnesium wallboard and steel structure of steel structure house and construction method thereof Download PDFInfo
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- CN111379329A CN111379329A CN201811651875.2A CN201811651875A CN111379329A CN 111379329 A CN111379329 A CN 111379329A CN 201811651875 A CN201811651875 A CN 201811651875A CN 111379329 A CN111379329 A CN 111379329A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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Abstract
The utility model provides a steel construction house silicon magnesium wallboard and steel construction connected node structure, includes that silicon magnesium wallboard outer wall surface course structure, silicon magnesium wallboard interior wall surface course structure, silicon magnesium wallboard board bottom-mounting structure, silicon magnesium wallboard board top-mounting structure, the H shaped steel roof beam groove structure of being connected with silicon magnesium wallboard, silicon magnesium wallboard concatenation seam structure, silicon magnesium wallboard and bight steel column department node structure and silicon magnesium wallboard and outer wall steel column department node structure etc.. The silicon-magnesium wallboard and steel structure connecting node of the steel structure house provided by the invention has the advantages of simple structure, convenience in operation, firmness in installation and good forming appearance, meets the requirement of the fire resistance limit of the structure, and meets the basic requirements of structure, thermal engineering, water resistance, fire resistance, heat preservation, heat insulation, sound insulation, building modeling and the like.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a connecting node structure of a silicon-magnesium wallboard and a steel structure of a steel structure house and a construction method thereof.
Background
The silicon-magnesium wallboard installation node structure applicable to steel structure buildings in the current domestic construction engineering is basically blank, and the silicon-magnesium wallboard is applied to a steel structure system and has the following problems which need to be solved urgently:
1. the silicon-magnesium wallboard is used for an outer wall, and the problem of how to deform and coordinate the wallboard with larger heat transfer coefficient deviation and steel under the change of temperature difference.
2. The reliability of the light silicon-magnesium outer wall surface installation connecting node of the high-rise residence under the action of the worst wind load.
3. Silicon magnesium wallboard plate and steel member connection structure all around.
4. The silicon-magnesium wallboard is used for an outer wall, and the joint surface of the board and the steel is waterproof, heat-preserving, heat-insulating and cold-bridge processing structure.
5. The silicon-magnesium wallboard is used for an outer wall, and the splicing seam of the silicon-magnesium wallboard is waterproof.
6. The silicon-magnesium wallboard is used for an outer wall, and the construction method of the waterproof, heat-preservation and anti-cracking surface layer of the silicon-magnesium wallboard.
7. The silicon-magnesium wallboard is formed by wrapping a closed structure outside a groove part of H-shaped steel on the top of a wall.
8. A method for constructing a lintel of a silicon-magnesium wallboard door and window.
Disclosure of Invention
The invention aims to provide a silicon-magnesium wallboard and steel structure connecting node structure of a steel structure house and a construction method thereof, which fill the blank that the silicon-magnesium wallboard is applied to a steel structure house system in China and lacks a corresponding construction node installation method, guide the construction of similar projects and solve the problems in the prior art.
The technical scheme for solving the problems is as follows: a connecting node structure of a silicon-magnesium wallboard and a steel structure of a steel structure house comprises a silicon-magnesium wallboard outer wall surface layer structure, a silicon-magnesium wallboard inner wall surface layer structure, a silicon-magnesium wallboard bottom mounting structure, a silicon-magnesium wallboard top mounting structure, an H-shaped steel beam groove structure connected with the silicon-magnesium wallboard, a silicon-magnesium wallboard splicing seam structure, a silicon-magnesium wallboard and corner steel column node structure and a silicon-magnesium wallboard and outer wall steel column node structure;
the outer wall surface layer structure of the silicon-magnesium wallboard is formed by stacking a silicon-magnesium wallboard body, a polymer cement waterproof mortar layer, an isolation layer, a cement mortar leveling layer I, a dry powder polymer cement waterproof mortar layer and an outer wall decoration surface layer structure from inside to outside in sequence; the silicon-magnesium wallboard body is a silicon-magnesium aerated hollow light partition board; an alkali-resistant glass fiber net is pressed in the polymer cement waterproof mortar layer; the isolating layer is a colloidal cement slurry interfacial agent; the cement mortar leveling layer I is 1:2.5 cement mortar, be provided with the wire net in the cement mortar screed-coat I to be equipped with the separation seam, the setting mode of separation seam is: the longitudinal and transverse spacing of the separation seams is 3 m; an alkali-resistant glass fiber net is pressed in the dry powder polymer cement waterproof mortar layer; the outer wall decorative surface layer structure is a building outer wall decorative surface layer.
The inner wall surface layer structure of the silicon-magnesium wallboard is formed by stacking a silicon-magnesium wallboard body, a cement mortar leveling layer II, an anti-cracking mortar layer with an alkali-resistant glass fiber net pressed in the inner wall and a multilayer structure of an inner wall decorative surface layer structure from inside to outside in sequence; the silicon-magnesium wallboard body is a silicon-magnesium aerated hollow light partition board; the cement mortar leveling layer II is 1:2.5 pressing alkali-resistant glass fiber net in the cement mortar; the interior wall decorative surface layer structure is a building interior wall decorative surface layer.
The silicon-magnesium wallboard bottom mounting structure is a mounting structure for mounting a silicon-magnesium wallboard on a floor panel, the silicon-magnesium wallboard is fixed above a floor slab through a steel plate bending piece I and angle steel, and a gap formed by the silicon-magnesium wallboard is filled with cement mortar; the steel plate bending piece I is arranged on the outer side of the silicon-magnesium wallboard body in a full length mode; the cross section of the steel plate bending piece I is L-shaped, the vertical edge of the steel plate bending piece I is fixedly connected with the outer side of the silicon-magnesium wallboard body through a shooting nail, and the horizontal edge of the steel plate bending piece I is fixedly connected with a floor panel through a shooting nail; the distance between the shooting nail and the edge of the floor is more than 50 mm. The angle steel is arranged on the inner side of the silicon-magnesium wallboard body, the vertical edge of the angle steel is fixedly connected with the inner side of the silicon-magnesium wallboard body through a shooting nail, and the horizontal edge of the angle steel is fixedly connected with the floor panel through a shooting nail;
the silicon-magnesium wallboard top mounting structure is a mounting structure for mounting the silicon-magnesium wallboard top on a steel beam, and the silicon-magnesium wallboard is fixed below the steel beam through a steel plate bending piece II and angle steel; the steel plate bending piece II is arranged on the outer side of the silicon-magnesium wallboard body in a full length mode; the section of the steel plate bending piece II is ┎ -shaped, the vertical edge of the steel plate bending piece II is fixedly connected with the outer side of the silicon-magnesium wallboard body through a shooting nail, and the horizontal edge of the steel plate bending piece II is welded with the lower flange of the steel beam; the angle steel is arranged on the inner side of the silicon-magnesium wallboard body, the vertical edge of the angle steel is fixedly connected with the inner side of the silicon-magnesium wallboard body through a shooting nail, and the horizontal edge of the angle steel is welded with the lower flange of the steel beam; the seam formed by welding is filled with weather-proof sealant, compacted and leveled; a plug is arranged at the inner hole of the silicon-magnesium wallboard 100mm away from the top of the silicon-magnesium wallboard; the inner hole of the plug from the top section of the silicon-magnesium wallboard plate is tightly filled with polymer mortar;
the H-shaped steel beam groove structure is connected with the silicon-magnesium wallboard, the upper end of the H-shaped steel beam is connected with the floor panel, and the lower end of the H-shaped steel beam is connected with the silicon-magnesium wallboard; the H-shaped steel beam groove structure comprises an aerated concrete block, a tie bar, an inner surface layer and an outer surface layer; the aerated concrete building blocks are embedded in the H-shaped steel beams, and tie bars are arranged and welded at intervals along the length direction of the steel beams for tie; the inner surface layer is arranged on the inner side of the H-shaped steel beam and sequentially comprises a cement mortar layer internally pressed with an alkali-resistant glass fiber net and an inner wall decorative surface layer structure from inside to outside; the outer surface layer is arranged on the outer side of the H-shaped steel beam and sequentially comprises a cement mortar layer internally pressed with an alkali-resistant glass fiber net and an outer wall decorative surface layer structure from inside to outside;
the splicing seam structure of the silicon-magnesium wallboards comprises a left silicon-magnesium wallboard and a right silicon-magnesium wallboard, and the silicon-magnesium wallboards sequentially comprise an outer wall decorative surface layer structure, a silicon-magnesium wallboard body and an inner wall decorative surface layer structure from top to bottom; two silicon-magnesium wall board bodies are fixed at the abutted seam on the inner wall surface side by obliquely driving steel nails; the polymer dry powder mortar, the PE rod, the cement-based waterproof coating interface agent, the weather-resistant sealant and the waterproof mortar are sequentially filled in the abutted seam from inside to outside; an alkali-resistant glass fiber net is pressed in the waterproof mortar filled in the abutted seam, and the alkali-resistant glass fiber net extends for 100mm along two sides of the interface seam respectively;
the silicon-magnesium wallboard and corner steel column joint structure comprises a corner steel column, two silicon-magnesium wallboards and a U-shaped clamp, wherein the two silicon-magnesium wallboards are connected with a right-angle surface of the corner steel column; the silicon-magnesium wallboard is connected with the corner steel column through a U-shaped clamp; the U-shaped clamps are arranged on corner steel columns at intervals in the vertical direction, the silicon-magnesium wallboard is placed at the clamping openings of the U-shaped clamps, gaps are reserved between the silicon-magnesium wallboard and the corner steel columns, and the gaps are filled with fillers which comprise sponge rubber plates, mortar and weather-proof sealant; the exposed part of the corner steel column is coated with a fireproof heat-preservation mortar layer, and an inorganic heat-preservation mortar layer is coated outside the fireproof heat-preservation mortar layer; the silicon-magnesium wallboard is provided with an outer wall decorative surface layer structure and an inner wall decorative surface layer structure; an inner wall decorative surface layer structure is arranged on the inner wall surface of the corner steel column and is coated on the inorganic heat-preservation mortar layer; the outer wall surface of the corner steel column is provided with an outer wall decorative surface layer structure, and the outer wall decorative surface layer structure is coated on the inorganic heat-preservation mortar layer;
the joint structure of the silicon-magnesium wall boards and the outer wall steel column comprises an outer wall steel column, two silicon-magnesium wall boards and a U-shaped clamp, wherein the two silicon-magnesium wall boards and the U-shaped clamp are symmetrically arranged on two sides of the outer wall column; the silicon-magnesium wallboard is connected with the outer wall steel column through a U-shaped clamp; the U-shaped clamps are installed on the outer wall steel column at intervals in the vertical direction, the silicon-magnesium wallboard is placed at the clamping openings of the U-shaped clamps, a gap is reserved between the silicon-magnesium wallboard and the outer wall steel column, and the gap is filled with fillers which comprise sponge rubber plates, mortar and weather-resistant sealant; the exposed part of the outer wall steel column is coated with a fireproof heat-insulation mortar layer, and the fireproof heat-insulation mortar layer is coated with an inorganic heat-insulation mortar layer; the silicon-magnesium wallboard is provided with an outer wall decorative surface layer structure and an inner wall decorative surface layer structure; an inner wall decorative surface layer structure is arranged on the inner wall surface of the outer wall steel column and is coated on the inorganic heat-preservation mortar layer; the outer wall face of outer wall steel column is provided with outer wall decorative surface layer structure, and this outer wall decorative surface layer structure cladding is on inorganic heat preservation mortar layer.
The further technical scheme is as follows: the connecting node structure also comprises a silicon-magnesium wallboard and door-window mounting structure, and the silicon-magnesium wallboard and door-window mounting structure comprises a door window and silicon-magnesium wallboards arranged on two sides of the door window; the flat steel is arranged outside the door and window hole, the flat steel is connected with the section bar of the door and window through chemical bolts, and the chemical bolts are arranged at intervals in the vertical direction; the silicon-magnesium wallboard is fixedly connected with the flat steel through the clamping piece, and a gap formed by installation is filled with polymer dry powder mortar.
The further technical scheme is as follows: the polymer cement waterproof mortar layer in the silicon-magnesium wallboard outer wall surface layer structure is internally provided with an alkali-resistant glass fiber net at a node junction in a pressing manner, the alkali-resistant glass fiber nets at different material node junctions respectively extend for 100mm along two sides of an interface seam, and the alkali-resistant glass fiber nets at the same material node junctions respectively extend for 50mm along two sides of the interface seam; the cement mixed in the polymer cement waterproof mortar layer and the cement mixed in the dry powder polymer cement waterproof mortar layer are low-alkalinity cement.
The further technical scheme is as follows: and a cement mortar leveling layer II in the wall surface layer structure in the silicon-magnesium wallboard is internally provided with an alkali-resistant glass fiber net in a node junction, and the alkali-resistant glass fiber nets at the material node junction respectively extend for 100mm along two sides of the interface seam.
The other related technical scheme is as follows: a construction method for connecting a silicon-magnesium wallboard with a main steel structure is characterized in that the silicon-magnesium wallboard and the main steel structure are connected with a connection node structure containing the silicon-magnesium wallboard and the steel structure of a steel structure house; the construction method comprises the following steps of carrying out the next step of mounting the silicon-magnesium wallboard after the main steel structure is checked and accepted to meet the quality requirement, wherein the process construction flow is as follows: cleaning a contact surface, leveling, positioning and paying off a silicon-magnesium wallboard, grading → a cylindrical surface inorganic thermal insulation mortar → matching the silicon-magnesium wallboard, repairing → installing a U-shaped clamp, a steel plate bending piece, angle steel → preparing, applying an adhesive → installing the silicon-magnesium wallboard → caulking processing → installing a door and window frame, reserving and embedding in an installation project, finishing a board surface → checking quality and accepting.
Due to the adoption of the technical scheme, compared with the prior art, the steel structure residential silicon-magnesium wallboard and steel structure connecting node structure and the construction method thereof have the following beneficial effects:
1. the design is complete and comprehensive, the problem that the novel silicon-magnesium wallboard is not connected in a steel structure building and is not constructed is solved, and under the policy of vigorously developing an assembly type steel structure building in China, the popularization of the green novel energy-saving wallboard has obvious economic and social benefits.
2. The two sides of the silicon-magnesium wallboard are connected with the steel column, and the heat transfer coefficients of the two materials are different, so that the heat transfer coefficient of the steel is obviously greater than that of the silicon-magnesium wallboard, when the external enclosure structure conducts heat with the outside, the heat is quickly transferred from the steel column parts in a concentrated mode to form a cold bridge and a hot bridge, so that the air conditioning load and the heating load of a building are increased, and the outer surface of the steel column is required to be wrapped by heat insulation materials to prevent the cold bridge and the hot bridge.
3. The H-shaped steel beams are generally adopted in the steel structure building, the H-shaped steel is I-shaped, grooves are formed in two sides of the H-shaped steel, the steel beam grooves exist in the steel structure residential building, sense organ experience of residents is reduced, indoor electrical and lighting pipelines need to be concealed in a wall body, and therefore the problem of how to wrap the steel beams exists.
4. The existing silicon-magnesium wallboard is mostly concentrated in northern areas of China, and has few practical cases in the humid and rainy environment in the south, so that in the southern areas, the waterproof and anti-seepage performance of the outer wall is especially important, the softening coefficient of the wall material is not less than 0.85 according to the technical specification of unified application of the wall material, the softening coefficient is an expression parameter of the water resistance property, the softening coefficient of the silicon-magnesium wallboard is about 0.8 generally, so the waterproof performance of the board is further enhanced, and the outer wall surface of the silicon-magnesium wallboard is supplemented and enhanced by at least adopting two waterproof mortars in combination with other waterproof construction measures.
The technical features of the connection node structure of silicon-magnesium wall board and steel structure of steel structure house and the construction method thereof according to the present invention will be further described with reference to the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural view of an outer wall surface layer of a silicon-magnesium wallboard;
FIG. 2 is a schematic structural view of an inner wall surface layer of a silicon-magnesium wallboard;
FIG. 3 is a schematic view of a plate bottom installation structure of a silicon-magnesium wallboard:
FIG. 4 is a schematic view of a top mounting configuration of a silicon magnesium wallboard;
FIG. 5 is a schematic view of the groove structure of the silicon-magnesium wall panel and the H-shaped steel beam;
FIG. 6 is a schematic view of a splicing seam structure of a silicon-magnesium wallboard;
FIG. 7 is a schematic view of a joint structure between a silicon-magnesium wall panel and a corner steel column;
FIG. 8 is a schematic view of a joint structure between a silicon-magnesium wallboard and an exterior wall steel column;
FIG. 9 is a first schematic view of a mounting structure of the silicon-magnesium wall panel and the door/window;
FIG. 10 is a schematic view of a second installation structure of the silicon-magnesium wall panel and the door/window;
fig. 11 is a sectional view of the precast concrete lintel in the direction of a-a in fig. 10.
In the figure:
w represents an outer wall side, N represents an inner wall side, HGL represents an H-shaped steel beam; l denotes a floor panel, GZ denotes a steel column, MCDK denotes a door and window opening, MCXC denotes a door and window profile, GL denotes a steel beam, YGL denotes a precast concrete lintel, QH denotes a wall thickness, LG denotes a beam height, and GLGJ denotes a lintel reinforcement.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a steel construction house silicon magnesium wallboard and steel construction connected node structure, including silicon magnesium wallboard outer wall surface course structure, wall surface course structure in the silicon magnesium wallboard, installation structure at the bottom of the silicon magnesium wallboard board, silicon magnesium wallboard board top installation structure, the H shaped steel roof beam groove structure of being connected with the silicon magnesium wallboard, silicon magnesium wallboard concatenation seam structure, silicon magnesium wallboard and bight steel column department node structure, silicon magnesium wallboard and outer wall steel column department node structure, silicon magnesium wallboard and door and window installation structure, and silicon magnesium wallboard door and window lintel structure.
Firstly, the structure of the outer wall surface layer of the silicon-magnesium wallboard is shown in figure 1: the wall board is formed by stacking a silicon-magnesium wall board body 1, a polymer cement waterproof mortar layer 2, an isolation layer 3, a cement mortar leveling layer I4, a dry powder polymer cement waterproof mortar layer 5 and an outer wall decorative surface layer structure 6 in sequence from inside to outside; the silicon-magnesium wallboard body 1 is a silicon-magnesium aerated hollow light partition board; an alkali-resistant glass fiber net is pressed in the polymer cement waterproof mortar layer 2; the isolating layer 3 is a colloidal cement slurry interfacial agent; the cement mortar leveling layer I4 is 1:2.5 cement mortar, be provided with the wire net in the cement mortar screed-coat I4 to be equipped with the separation seam, the setting mode of separation seam is: the longitudinal and transverse spacing of the separation seams is 3 m; an alkali-resistant glass fiber net is pressed in the dry powder polymer cement waterproof mortar layer 5; the outer wall decorative surface layer structure 6 is a building outer wall decorative surface layer.
The polymer cement waterproof mortar layer 2 in the silicon-magnesium wallboard outer wall surface layer structure is internally provided with an alkali-resistant glass fiber net at the node junction in a pressing manner, the alkali-resistant glass fiber nets at the node junctions of different materials respectively extend for 100mm along two sides of an interface seam, and the alkali-resistant glass fiber nets at the node junctions of the same materials respectively extend for 50mm along two sides of the interface seam; the cement doped in the polymer cement waterproof mortar layer 2 and the cement doped in the dry powder polymer cement waterproof mortar layer 5 are low-alkalinity cement.
The example method of the silicon-magnesium wallboard outer wall surface layer structure comprises the following steps: firstly, one side of a silicon-magnesium wallboard serving as an outer wall surface is coated with polymer cement waterproof mortar, alkali-resistant glass fiber nets are pressed at junctions of different material nodes together, the alkali-resistant glass fiber nets extend for 100mm along two sides of an interface joint respectively, the same material is 50mm, and cement doped in the polymer mortar must be low-alkalinity cement. For example, the joint surface of a steel beam and a silicon magnesium board is pressed into an alkali-resistant glass fiber net in the polymer waterproof mortar surface layer to resist cracking, the width of the glass fiber net is 100mm at each of two sides of a splicing seam, and the total width is 200 mm; for example, when the glass fiber net is a splicing seam of a silicon magnesium plate, the width of the glass fiber net is 50mm on each side of the seam, and the total width is 100 mm. Then brushing a special interface agent on the polymer cement waterproof mortar, and then roughening the colloidal cement slurry once; and then plastering a plastering layer of cement mortar (strength DP M20) with the thickness of 15: 2.5, plastering twice, wherein the plastering layer needs to be provided with separation seams on the whole wall surface, the separation seams are arranged in a mode that the longitudinal and transverse intervals of the separation seams are 3M, the transverse separation seams need to be avoided when meeting a steel plate bending piece at the bottom of the beam, and the longitudinal separation seams need to be staggered with the longitudinal splicing seams of the silicon magnesium plate. A layer of steel wire mesh (such as a hot galvanizing electric welding mesh) is pressed into the whole wall surface in the plastering layer, the mesh specification A is 1.0, the holes are 12.7X12.7, and the anchor bolt is fixed with the structural wall body by a phi 8 anchor bolt, and the bidirectional intermediate distance of the anchor bolt is less than or equal to 500 mm. After finishing the plastering layer, 3-thick dry powder type polymer cement waterproof mortar needs to be plastered, an alkali-resistant glass fiber net needs to be pressed into the dry powder type polymer cement waterproof mortar from the whole wall surface, and the cement of the waterproof mortar needs to be low-alkalinity cement. And finally, mounting a decorative surface layer of the outer wall of the building on the dry powder polymer cement waterproof sand wall surface.
The inner wall surface layer structure of the silicon-magnesium wallboard is formed by stacking a silicon-magnesium wallboard body 1, a cement mortar leveling layer II 7, an alkali-resistant glass fiber net anti-cracking mortar layer 8 and an inner wall decorative surface layer structure 9 in sequence from inside to outside as shown in figure 2; the silicon-magnesium wallboard body 1 is a silicon-magnesium aerated hollow light partition board; the cement mortar leveling layer II 7 is 1:2.5 pressing alkali-resistant glass fiber net in the cement mortar; the interior wall decorative surface layer structure 9 is a building interior wall decorative surface layer.
And a cement mortar leveling layer II 7 in the wall surface layer structure in the silicon-magnesium wallboard, an alkali-resistant glass fiber net is arranged at the junction of the nodes in an internal pressure mode, and the alkali-resistant glass fiber net at the junction of the material nodes respectively extends for 100mm along two sides of the interface seam.
The example of the inner wall surface layer structure of the silicon-magnesium wallboard comprises the following steps: firstly, coating 1:2.5 cement mortar (with the strength DP M20) on one side surface of a silicon-magnesium wallboard serving as an inner wall surface, pressing an alkali-resistant glass fiber web in an inner pressure, and enabling the overlapping length of a material boundary at a material boundary to be 200 mm; for example, at the joint between wall boards, the joint between wall boards and steel columns, the joint between wall boards and steel beams, the joint between wall boards and steel supports, etc., an alkali-resistant glass fiber net with a total width of 200mm is required to be arranged in the plastering layer at the joint between the joint parts, and the two sides of the joint are 100mm each. Then 5mm of anti-crack mortar is smeared on the whole inner wall, and the alkali-resistant glass fiber net is pressed in the inner wall. And finally, mounting a building inner wall decorative surface layer on the anti-crack mortar surface.
Thirdly, the silicon-magnesium wallboard bottom mounting structure is a mounting structure for mounting the silicon-magnesium wallboard on a floor panel as shown in fig. 3, the silicon-magnesium wallboard is fixed above the floor panel through a steel plate bending piece I10 and angle steel 12, and a gap formed by the silicon-magnesium wallboard is filled with cement mortar 11; the steel plate bending piece I10 is arranged on the outer side of the silicon-magnesium wallboard body 1 in a full length mode; the section of the steel plate bending piece I10 is L-shaped, the vertical edge of the steel plate bending piece I is fixedly connected with the outer side of the silicon-magnesium wallboard body through a shooting nail, and the horizontal edge of the steel plate bending piece I is fixedly connected with a floor panel through a shooting nail; the distance between the shooting nail and the edge of the floor is more than 50 mm. The angle steel sets up the inboard at silicon magnesium wallboard body, the perpendicular edge of angle steel and the inboard of silicon magnesium wallboard body are through penetrating nail fixed connection, and its level limit and floor board are through penetrating nail fixed connection.
The example of the installation structure of the silicon-magnesium wallboard bottom is as follows: firstly, the bottom of a silicon-magnesium wallboard is heightened and wedged tightly by a wood wedge; then the bending piece of the galvanized steel plate with the thickness of L80X80X4 is arranged on the outer side of the silicon-magnesium wallboard in the whole length, YD37 is used for shooting nails to fix the silicon-magnesium wallboard, the bottom of each board of the shooting nails is not less than 2, the bending piece is fixed with the concrete floor slab YD37 in a shooting mode, the number of the shooting nails is not less than 2, and the distance between the shooting nails and the edge of the floor slab is more than 50 mm. Arranging L50x3 galvanized angle steel at the inner side of the silicon magnesium wallboard, wherein the length L =100mm, fixing the angle steel on the silicon magnesium wallboard by using YD37 shooting nails, wherein the bottom of each board of the shooting nail is not less than 2, the galvanized angle steel and the concrete floor panel are fixed by adopting YD37 shooting nails, and the shooting nails are not less than 2. Cement mortar is filled between the bottom of the silicon-magnesium wallboard and the floor slab through a grouting method to be dense, and the wood wedge is taken out to be leveled after the strength of the mortar meets the requirement.
Fourthly, the silicon-magnesium wallboard top mounting structure is a mounting structure for mounting the silicon-magnesium wallboard top on a steel beam as shown in fig. 4, and the silicon-magnesium wallboard is fixed below the steel beam through a steel plate bending piece II 13 and angle steel 12; the steel plate bending piece II is arranged on the outer side of the silicon-magnesium wallboard body in a full length mode; the section of the steel plate bending piece II is ┎ -shaped, the vertical edge of the steel plate bending piece II is fixedly connected with the outer side of the silicon-magnesium wallboard body through a shooting nail, and the horizontal edge of the steel plate bending piece II is welded with the lower flange of the steel beam; the angle steel is arranged on the inner side of the silicon-magnesium wallboard body, the vertical edge of the angle steel is fixedly connected with the inner side of the silicon-magnesium wallboard body through a shooting nail, and the horizontal edge of the angle steel is welded with the lower flange of the steel beam; the seam formed by welding is filled with weather-proof sealant, compacted and leveled; a plug 15 is arranged at the inner hole of the silicon-magnesium wallboard 100mm away from the top of the silicon-magnesium wallboard; and the inner hole of the plug from the top section of the silicon-magnesium wallboard plate is tightly filled with polymer mortar 14.
The example of the silicon-magnesium wallboard top mounting structure is as follows: the general length sets up L100X60X4 galvanized steel sheet piece of bending outside silicon magnesium wallboard, penetrates the fixed silicon magnesium wallboard of nail with YD37, penetrates every roof of a board of nail and is no less than 2, and galvanized steel sheet piece of bending welds with the girder steel bottom flange, and is sealed closely with resistant sealant and screeds. Arranging L50x3 hot galvanizing angle steel on the inner side of the silicon-magnesium wallboard, enabling the length L =100mm, using YD37 to shoot nails for fixing, wherein the number of the shot nails is not less than 2, and welding the galvanized angle steel with the lower flange of the steel beam. The inner hole of the silicon-magnesium wallboard, which is 100mm away from the top of the silicon-magnesium wallboard, is provided with a special plug for plugging, and the inner hole of the plug, which is close to the top section of the silicon-magnesium wallboard, is filled and compacted by adopting polymer mortar 14.
Fifthly, an H-shaped steel beam groove structure connected with the silicon-magnesium wallboard, as shown in figure 5, the upper end of the H-shaped steel beam is connected with the floor panel, and the lower end of the H-shaped steel beam is connected with the silicon-magnesium wallboard; the groove structure of the H-shaped steel beam comprises an aerated concrete block 16, a tie bar 17, an inner surface layer and an outer surface layer; the aerated concrete blocks 16 are embedded in the H-shaped steel beam, and tie bars 17 are arranged at intervals along the length direction of the steel beam for tying; the inner surface layer is arranged on the inner side of the H-shaped steel beam and sequentially comprises a cement mortar layer 7 internally pressed with an alkali-resistant glass fiber net and an inner wall decorative surface layer structure 9 from inside to outside; the outer surface layer is arranged on the outer side of the H-shaped steel beam and sequentially comprises a cement mortar layer 7 internally pressed with an alkali-resistant glass fiber net and an outer wall decorative surface layer structure 6 from inside to outside.
The example of the groove structure of the H-shaped steel beam connected with the silicon-magnesium wallboard comprises the following steps: an aerated concrete block is built in an H-shaped steel beam, phi 6 steel bars are arranged and welded at intervals of 500mm along the length direction of the steel beam for bonding, 1:2.5 cement mortar (with the strength DP M20) internal pressure alkali-resistant glass fiber net is smeared on the outer part of the aerated concrete block, the lap joint length of the material junction is 200mm, namely the alkali-resistant glass fiber net with the total width of 200mm is arranged at the junction of the aerated concrete block and a silicon-magnesium wallboard, and the inner wall decorative surface layer structure 9 and the outer wall decorative surface layer structure 6 on the H-shaped steel beam are made by adopting the inner wall surface layer structure and the outer wall surface layer structure of the silicon-magnesium wallboard.
Sixthly, the splicing seam structure of the silicon-magnesium wall boards comprises a left silicon-magnesium wall board and a right silicon-magnesium wall board as shown in fig. 6, and the silicon-magnesium wall boards sequentially comprise an outer wall decorative surface layer structure 6, a silicon-magnesium wall board body 1 and an inner wall decorative surface layer structure 9 from top to bottom; the two silicon-magnesium wallboard bodies are fixed at the abutted seam on the inner wall surface side by obliquely driving steel nails 22; the polymer dry powder mortar 18, the PE rod 19, the cement-based waterproof coating interface agent, the weather-resistant sealant 20 and the waterproof mortar 21 are sequentially filled at the abutted seam from inside to outside; an alkali-resistant glass fiber net is pressed in the waterproof mortar 21 filled in the abutted seams, and the alkali-resistant glass fiber net extends 100mm along two sides of each interface seam.
The example of the splicing seam structure of the silicon-magnesium wallboard comprises the following steps: during the splice plate, beat into the steel nail to one side at two silicon magnesium wallboard interior wall face side patchings departments, play the effect of fixed two boards, splice joint adopts polymer dry powder mortar to joint up the inside, it is closely knit to impress the PE stick, add the PE stick and be in order to beat the resistant sealant of waiting, it is surface course mortar (low basicity polymer cement waterproof mortar) to wait to seal up the sealant of waiting, because mortar and resistant sealant of waiting are different materials, for avoiding the mutual corrosion and better combination, need brush the boundary agent isolation layer between the two. Pressing an alkali-resistant glass fiber net into the joint of the board during mortar application, and extending 100mm along two sides of the interface joint respectively; and finally, mounting the spliced silicon-magnesium wallboard together with an inner wall decorative surface layer and an outer wall decorative surface layer.
Seventhly, the silicon-magnesium wall panel and corner steel column joint structure comprises a corner steel column, two silicon-magnesium wall panels connected with a right-angle surface of the corner steel column and a U-shaped clamp 23 as shown in fig. 7; the silicon-magnesium wallboard is connected with the corner steel column through a U-shaped clamp 23; the U-shaped clamps are arranged on corner steel columns at intervals in the vertical direction, the silicon-magnesium wallboard is placed at the clamping openings of the U-shaped clamps, gaps are reserved between the silicon-magnesium wallboard and the corner steel columns, and the gaps are filled with fillers which comprise sponge rubber plates 24, mortar and weather-resistant sealant 20; the exposed parts of the corner steel columns are coated with fireproof heat-insulating mortar layers 25, and inorganic heat-insulating mortar layers 26 are coated outside the fireproof heat-insulating mortar layers 25; the silicon-magnesium wallboard is provided with an outer wall decorative surface layer structure 6 and an inner wall decorative surface layer structure 9; an inner wall decorative surface layer structure 9 is arranged on the inner wall surface of the corner steel column, and the inner wall decorative surface layer structure 9 is coated on the inorganic heat-preservation mortar layer 26; the outer wall face of bight steel column is provided with outer wall decorative surface layer structure 6, and this outer wall decorative surface layer structure 6 cladding is on inorganic heat preservation mortar layer 26.
The example of the node structure at the silicon-magnesium wallboard and the corner steel column is as follows: installing hot-dip galvanized U-shaped clamps (the thickness is 2mm and the height is 60 mm) on the right-angle surface of the inner wall surface of the corner steel column at intervals of 600mm in the vertical direction, placing a silicon-magnesium wallboard at the position of the hot-dip galvanized U-shaped clamp, reserving a gap of 15-20 mm between the silicon-magnesium wallboard and the corner steel column, filling a sponge rubber plate (the width is 80mm and the thickness is 10 mm) at the gap, then filling and compacting with special mortar, and then filling and leveling with weather-resistant sealant; the exposed part of the corner steel column is coated with thick-coating fireproof thermal insulation mortar to meet the fire resistance limit, and a layer of inorganic thermal insulation mortar is further coated on the outer side of the fireproof thermal insulation mortar. Finally, installing an inner wall decorative surface layer outside the inorganic heat-insulating mortar layers of the inner wall surface and the corner steel column; and an outer wall decorative surface layer is arranged outside the inorganic heat-insulating mortar layer of the corner steel column on the outer wall surface.
Eighthly, the node structure of the silicon-magnesium wall boards and the outer wall steel column comprises the outer wall steel column, two silicon-magnesium wall boards symmetrically arranged on two sides of the outer wall column and a U-shaped clamp 23 as shown in fig. 8; the silicon-magnesium wallboard is connected with the outer wall steel column through a U-shaped clamp; the U-shaped clamps are installed on the outer wall steel column at intervals in the vertical direction, the silicon-magnesium wallboard is placed at the clamping openings of the U-shaped clamps, gaps are reserved between the silicon-magnesium wallboard and the outer wall steel column, and the gaps are filled with fillers which comprise sponge rubber plates 24, mortar and weather-resistant sealant 20; the exposed part of the exterior wall steel column is coated with a fireproof heat-insulation mortar layer 25, and the fireproof heat-insulation mortar layer is coated with an inorganic heat-insulation mortar layer 26; the silicon-magnesium wallboard is provided with an outer wall decorative surface layer structure 6 and an inner wall decorative surface layer structure 9; an inner wall decorative surface layer structure 9 is arranged on the inner wall surface of the outer wall steel column, and the inner wall decorative surface layer structure 9 is coated on the inorganic heat-preservation mortar layer 26; the outer wall face of outer wall steel column is provided with outer wall decorative surface layer structure 6, and this outer wall decorative surface layer structure 6 cladding is on inorganic heat preservation mortar layer 26.
The example method of the node structure at the silicon-magnesium wallboard and the outer wall steel column comprises the following steps: the construction method is the same as the construction method of the silicon-magnesium wall panels and the node structures at the corner steel columns, the difference lies in that the positions of the silicon-magnesium wall panels installed on the outer wall steel columns are different, the two silicon-magnesium wall panels are symmetrically installed on the two sides of the outer wall columns, and the construction method is not repeated.
Ninthly, the silicon-magnesium wallboard and door-window mounting structure comprises a door window and silicon-magnesium wallboards mounted on two sides of the door window as shown in fig. 9; the flat steel 28 is arranged outside the door and window hole, the flat steel is connected with the door and window section bar through chemical bolts 27, and the chemical bolts are arranged at intervals in the vertical direction; the silicon-magnesium wallboard is fixedly connected with the flat steel through the clamping piece, and a gap formed by installation is filled with polymer dry powder mortar 18.
The example method of the node structure at the silicon-magnesium wallboard and the outer wall steel column comprises the following steps: a circle of-70X 5 hot-dip galvanized flat steel strip is arranged around a door and window opening frame, two silicon-magnesium wallboards are connected with the hot-dip galvanized flat steel strip through a clamping piece, the hot-dip galvanized flat steel strip is connected with a section bar of a door and a window through an M10 chemical bolt arranged at an interval of 1000mm in the vertical direction of the door and the window, and polymer dry powder mortar is used for filling joints.
The door and window lintel structure of the silicon-magnesium wallboard is shown in fig. 10 and 11 and comprises a precast concrete lintel, a door and window opening, a silicon-magnesium wallboard, a steel column, a steel beam and lintel steel bars; silicon-magnesium wallboards are arranged on two sides of the door and window opening, and one side of each silicon-magnesium wallboard is connected with the steel column; the precast concrete lintel is arranged above the door and window hole, two ends of the precast concrete lintel extend out of the door and window hole by 120mm along the length direction, and lintel steel bars are arranged in the precast concrete lintel; the cross section and the reinforcing bars of the lintel are determined by engineering design. The precast concrete lintel is provided with a steel beam, and a floor slab is arranged above the steel beam.
The method for constructing the lintel of the silicon-magnesium wallboard door and window relates to the installation of the silicon-magnesium wallboard according to the method, wherein the lintel method is a conventional method and is not repeated herein.
The silicon-magnesium wall board in each node structure of this embodiment example all has interior wall surface course structure and outer wall surface course structure, if the silicon-magnesium wall board only makes single interior partition wall, just need only have interior wall surface course structure.
The design principle of the connection node of the silicon-magnesium wallboard in a steel structure system comprises the following steps:
the connection node structure of the assembly type building wallboard meets basic requirements of structure, thermal engineering, water resistance, fire prevention, heat preservation, heat insulation, sound insulation, building modeling and the like. The waterproof weak area is combined with waterproof structure, the horizontal seam and the vertical seam are tongue-and-groove seams, and waterproof sealant with excellent waterproof performance and weather resistance is used as a caulking material. 15~20mm gaps are left at panel and girder steel, steel column handing-over department, its tip, fill flexible material, guarantee from the structure that light wallboard can adapt to the ability of warping between the main structure layer. The board body of the silicon-magnesium wallboard is easy to shrink and deform due to the material and processing technology, so that the board has shrinkage cracks, the glass fiber gridding cloth is pressed into the inner wall and the outer wall in the waterproof mortar surface layer to fully cover the whole wall surface, and the anti-halogen corrosion property of the silicon-magnesium wallboard is considered, and the anti-crack glass fiber net web is required to be made of a material with strong alkali resistance. Shrinkage cracks caused by different thermal expansion properties of different materials and condensation caused by cold and hot bridge effect of steel are also required to be considered at the joint part of the silicon-magnesium wallboard, the steel column and the steel beam, so that besides an alkali-resistant glass fiber mesh cloth is arranged at the joint surface, inorganic thermal insulation mortar is also required to be additionally arranged on the exposed steel structure surface. The upper end and the lower end of the silicon-magnesium wallboard are connected with the steel beam through angle steel, construction is easy, the angle steel is embedded in advance, positioning and accurate connection are reliable, and the silicon-magnesium wallboard can also be used as a rigid water retaining defense.
The invention relates to a construction process flow for connecting a silicon-magnesium wallboard with a main steel structure, which comprises the following steps:
after the main steel structure is checked and accepted to meet the quality requirement, the next step of silicon-magnesium wallboard installation can be carried out, and the process construction flow is as follows:
cleaning a contact surface, leveling → positioning and paying off a plate, grading → inorganic heat-insulating mortar for a cylindrical surface → plate preparation, repair → installation of a U-shaped card, a steel plate bending piece, angle steel → preparation, adhesive application → installation of a wallboard → caulking treatment → installation of a door and window frame, pre-embedding of installation engineering reservation, plate surface decoration → quality inspection and acceptance inspection.
The silicon-magnesium wallboard enclosure system of the invention needs to complete the following performance tests and tests before acceptance inspection:
① laboratory tests of the compression resistance, interlayer deformation resistance, impact resistance, fire resistance limit and the like of the enclosure system.
② testing the material performance of the connecting piece, the pull strength of the anchor bolt and the like.
③ detecting the bonding strength of the facing tile.
④ Water spray test at the joint of wall board and the installation joint of outer door and window.
⑤ field sound insulation test.
⑥ field heat transfer coefficient test.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a steel construction house silicon magnesium wallboard and steel construction connected node structure which characterized in that: the structure comprises a silicon-magnesium wallboard outer wall surface layer structure, a silicon-magnesium wallboard inner wall surface layer structure, a silicon-magnesium wallboard bottom mounting structure, a silicon-magnesium wallboard top mounting structure, an H-shaped steel beam groove structure connected with a silicon-magnesium wallboard, a silicon-magnesium wallboard splicing seam structure, a silicon-magnesium wallboard and corner steel column joint structure and a silicon-magnesium wallboard and outer wall steel column joint structure;
the outer wall surface layer structure of the silicon-magnesium wallboard is formed by stacking a silicon-magnesium wallboard body, a polymer cement waterproof mortar layer, an isolation layer, a cement mortar leveling layer I, a dry powder polymer cement waterproof mortar layer and an outer wall decoration surface layer structure from inside to outside in sequence; the silicon-magnesium wallboard body is a silicon-magnesium aerated hollow light partition board; an alkali-resistant glass fiber net is pressed in the polymer cement waterproof mortar layer; the isolating layer is a colloidal cement slurry interfacial agent; the cement mortar leveling layer I is 1:2.5 cement mortar, be provided with the wire net in the cement mortar screed-coat I to be equipped with the separation seam, the setting mode of separation seam is: the longitudinal and transverse spacing of the separation seams is 3 m; an alkali-resistant glass fiber net is pressed in the dry powder polymer cement waterproof mortar layer; the outer wall decorative surface layer structure is a building outer wall decorative surface layer;
the inner wall surface layer structure of the silicon-magnesium wallboard is formed by stacking a silicon-magnesium wallboard body, a cement mortar leveling layer II, an anti-cracking mortar layer with an alkali-resistant glass fiber net pressed in the inner wall and a multilayer structure of an inner wall decorative surface layer structure from inside to outside in sequence; the silicon-magnesium wallboard body is a silicon-magnesium aerated hollow light partition board; the cement mortar leveling layer II is 1:2.5 pressing alkali-resistant glass fiber net in the cement mortar; the inner wall decorative surface layer structure is a building inner wall decorative surface layer;
the silicon-magnesium wallboard bottom mounting structure is a mounting structure for mounting a silicon-magnesium wallboard on a floor panel, the silicon-magnesium wallboard is fixed above a floor slab through a steel plate bending piece I and angle steel, and a gap formed by the silicon-magnesium wallboard is filled with cement mortar; the steel plate bending piece I is arranged on the outer side of the silicon-magnesium wallboard body in a full length mode; the cross section of the steel plate bending piece I is L-shaped, the vertical edge of the steel plate bending piece I is fixedly connected with the outer side of the silicon-magnesium wallboard body through a shooting nail, and the horizontal edge of the steel plate bending piece I is fixedly connected with a floor panel through a shooting nail; the distance between the shooting nail and the edge of the floor is more than 50 mm;
the angle steel is arranged on the inner side of the silicon-magnesium wallboard body, the vertical edge of the angle steel is fixedly connected with the inner side of the silicon-magnesium wallboard body through a shooting nail, and the horizontal edge of the angle steel is fixedly connected with the floor panel through a shooting nail;
the silicon-magnesium wallboard top mounting structure is a mounting structure for mounting the silicon-magnesium wallboard top on a steel beam, and the silicon-magnesium wallboard is fixed below the steel beam through a steel plate bending piece II and angle steel; the steel plate bending piece II is arranged on the outer side of the silicon-magnesium wallboard body in a full length mode; the section of the steel plate bending piece II is ┎ -shaped, the vertical edge of the steel plate bending piece II is fixedly connected with the outer side of the silicon-magnesium wallboard body through a shooting nail, and the horizontal edge of the steel plate bending piece II is welded with the lower flange of the steel beam; the angle steel is arranged on the inner side of the silicon-magnesium wallboard body, the vertical edge of the angle steel is fixedly connected with the inner side of the silicon-magnesium wallboard body through a shooting nail, and the horizontal edge of the angle steel is welded with the lower flange of the steel beam; the seam formed by welding is filled with weather-proof sealant, compacted and leveled; a plug is arranged at the inner hole of the silicon-magnesium wallboard 100mm away from the top of the silicon-magnesium wallboard; the inner hole of the plug from the top section of the silicon-magnesium wallboard plate is tightly filled with polymer mortar;
the H-shaped steel beam groove structure is connected with the silicon-magnesium wallboard, the upper end of the H-shaped steel beam is connected with the floor panel, and the lower end of the H-shaped steel beam is connected with the silicon-magnesium wallboard; the H-shaped steel beam groove structure comprises an aerated concrete block, a tie bar, an inner surface layer and an outer surface layer; the aerated concrete building blocks are embedded in the H-shaped steel beams, and tie bars are arranged and welded at intervals along the length direction of the steel beams for tie; the inner surface layer is arranged on the inner side of the H-shaped steel beam and sequentially comprises a cement mortar layer internally pressed with an alkali-resistant glass fiber net and an inner wall decorative surface layer structure from inside to outside; the outer surface layer is arranged on the outer side of the H-shaped steel beam and sequentially comprises a cement mortar layer internally pressed with an alkali-resistant glass fiber net and an outer wall decorative surface layer structure from inside to outside;
the splicing seam structure of the silicon-magnesium wallboards comprises a left silicon-magnesium wallboard and a right silicon-magnesium wallboard, and the silicon-magnesium wallboards sequentially comprise an outer wall decorative surface layer structure, a silicon-magnesium wallboard body and an inner wall decorative surface layer structure from top to bottom; two silicon-magnesium wall board bodies are fixed at the abutted seam on the inner wall surface side by obliquely driving steel nails; the polymer dry powder mortar, the PE rod, the cement-based waterproof coating interface agent, the weather-resistant sealant and the waterproof mortar are sequentially filled in the abutted seam from inside to outside; an alkali-resistant glass fiber net is pressed in the waterproof mortar filled in the abutted seam, and the alkali-resistant glass fiber net extends for 100mm along two sides of the interface seam respectively;
the silicon-magnesium wallboard and corner steel column joint structure comprises a corner steel column, two silicon-magnesium wallboards and a U-shaped clamp, wherein the two silicon-magnesium wallboards are connected with a right-angle surface of the corner steel column; the silicon-magnesium wallboard is connected with the corner steel column through a U-shaped clamp; the U-shaped clamps are arranged on corner steel columns at intervals in the vertical direction, the silicon-magnesium wallboard is placed at the clamping openings of the U-shaped clamps, gaps are reserved between the silicon-magnesium wallboard and the corner steel columns, and the gaps are filled with fillers which comprise sponge rubber plates, mortar and weather-proof sealant; the exposed part of the corner steel column is coated with a fireproof heat-preservation mortar layer, and an inorganic heat-preservation mortar layer is coated outside the fireproof heat-preservation mortar layer; the silicon-magnesium wallboard is provided with an outer wall decorative surface layer structure and an inner wall decorative surface layer structure; an inner wall decorative surface layer structure is arranged on the inner wall surface of the corner steel column and is coated on the inorganic heat-preservation mortar layer; the outer wall surface of the corner steel column is provided with an outer wall decorative surface layer structure, and the outer wall decorative surface layer structure is coated on the inorganic heat-preservation mortar layer;
the joint structure of the silicon-magnesium wall boards and the outer wall steel column comprises an outer wall steel column, two silicon-magnesium wall boards and a U-shaped clamp, wherein the two silicon-magnesium wall boards and the U-shaped clamp are symmetrically arranged on two sides of the outer wall column; the silicon-magnesium wallboard is connected with the outer wall steel column through a U-shaped clamp; the U-shaped clamps are installed on the outer wall steel column at intervals in the vertical direction, the silicon-magnesium wallboard is placed at the clamping openings of the U-shaped clamps, a gap is reserved between the silicon-magnesium wallboard and the outer wall steel column, and the gap is filled with fillers which comprise sponge rubber plates, mortar and weather-resistant sealant; the exposed part of the outer wall steel column is coated with a fireproof heat-insulation mortar layer, and the fireproof heat-insulation mortar layer is coated with an inorganic heat-insulation mortar layer; the silicon-magnesium wallboard is provided with an outer wall decorative surface layer structure and an inner wall decorative surface layer structure; an inner wall decorative surface layer structure is arranged on the inner wall surface of the outer wall steel column and is coated on the inorganic heat-preservation mortar layer; the outer wall face of outer wall steel column is provided with outer wall decorative surface layer structure, and this outer wall decorative surface layer structure cladding is on inorganic heat preservation mortar layer.
2. The structure of the connection node of silicon-magnesium wall panel and steel structure of the steel structure house according to claim 1, characterized in that: the connecting node structure also comprises a silicon-magnesium wallboard and door-window mounting structure, and the silicon-magnesium wallboard and door-window mounting structure comprises a door window and silicon-magnesium wallboards arranged on two sides of the door window; the flat steel is arranged outside the door and window hole, the flat steel is connected with the section bar of the door and window through chemical bolts, and the chemical bolts are arranged at intervals in the vertical direction; the silicon-magnesium wallboard is fixedly connected with the flat steel through the clamping piece, and a gap formed by installation is filled with polymer dry powder mortar.
3. The structure of the connection node of silicon-magnesium wall panel and steel structure of the steel structure house according to claim 1, characterized in that: the polymer cement waterproof mortar layer in the silicon-magnesium wallboard outer wall surface layer structure is internally provided with an alkali-resistant glass fiber net at a node junction in a pressing manner, the alkali-resistant glass fiber nets at different material node junctions respectively extend for 100mm along two sides of an interface seam, and the alkali-resistant glass fiber nets at the same material node junctions respectively extend for 50mm along two sides of the interface seam; the cement mixed in the polymer cement waterproof mortar layer and the cement mixed in the dry powder polymer cement waterproof mortar layer are low-alkalinity cement.
4. The structure of the connection node of silicon-magnesium wall panel and steel structure of the steel structure house according to claim 1, characterized in that: and a cement mortar leveling layer II in the wall surface layer structure in the silicon-magnesium wallboard is internally provided with an alkali-resistant glass fiber net in a node junction, and the alkali-resistant glass fiber nets at the material node junction respectively extend for 100mm along two sides of the interface seam.
5. A construction method for connecting a silicon-magnesium wallboard with a main steel structure is characterized by comprising the following steps: the silicon-magnesium wallboard is connected with a main steel structure, and the silicon-magnesium wallboard and steel structure connection node structure of the steel structure house of claim 1 is contained; the construction method comprises the following steps of carrying out the next step of mounting the silicon-magnesium wallboard after the main steel structure is checked and accepted to meet the quality requirement, wherein the process construction flow is as follows: cleaning a contact surface, leveling, positioning and paying off a silicon-magnesium wallboard, grading → a cylindrical surface inorganic thermal insulation mortar → matching the silicon-magnesium wallboard, repairing → installing a U-shaped clamp, a steel plate bending piece, angle steel → preparing, applying an adhesive → installing the silicon-magnesium wallboard → caulking processing → installing a door and window frame, reserving and embedding in an installation project, finishing a board surface → checking quality and accepting.
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| CN112282210A (en) * | 2020-11-02 | 2021-01-29 | 安徽富煌钢构股份有限公司 | Steel construction residential building limit portion girder steel bottom clad structure |
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| CN114439126A (en) * | 2022-02-14 | 2022-05-06 | 中国建筑第八工程局有限公司 | Connecting joint structure of steel structure stair steel beam and masonry wall and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112282210A (en) * | 2020-11-02 | 2021-01-29 | 安徽富煌钢构股份有限公司 | Steel construction residential building limit portion girder steel bottom clad structure |
| CN112282210B (en) * | 2020-11-02 | 2022-04-05 | 安徽富煌钢构股份有限公司 | Steel construction residential building limit portion girder steel bottom clad structure |
| CN112942944A (en) * | 2021-02-04 | 2021-06-11 | 陕西建工第六建设集团有限公司 | Construction method of AAC heat-insulation laminated wallboard structure of frame-structured external wall |
| CN112942944B (en) * | 2021-02-04 | 2022-06-03 | 陕西建工第六建设集团有限公司 | Construction method of AAC heat-insulation laminated wallboard structure of frame-structured external wall |
| CN113668806A (en) * | 2021-08-27 | 2021-11-19 | 中国十七冶集团有限公司 | Mounting assembly for positioning and fixing sludge ceramsite plate and construction method thereof |
| CN114439126A (en) * | 2022-02-14 | 2022-05-06 | 中国建筑第八工程局有限公司 | Connecting joint structure of steel structure stair steel beam and masonry wall and construction method thereof |
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