CN114575491A - Composite construction method for special-shaped complex secondary structure - Google Patents
Composite construction method for special-shaped complex secondary structure Download PDFInfo
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- CN114575491A CN114575491A CN202210194369.5A CN202210194369A CN114575491A CN 114575491 A CN114575491 A CN 114575491A CN 202210194369 A CN202210194369 A CN 202210194369A CN 114575491 A CN114575491 A CN 114575491A
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- 238000010276 construction Methods 0.000 title claims abstract description 51
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000004567 concrete Substances 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 57
- 239000010959 steel Substances 0.000 claims description 57
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 239000010410 layer Substances 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 17
- 239000011083 cement mortar Substances 0.000 claims description 11
- 239000002023 wood Substances 0.000 claims description 11
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000011449 brick Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 230000008520 organization Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 230000003203 everyday effect Effects 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000004088 foaming agent Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000007790 scraping Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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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
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/04—Walls having neither cavities between, nor in, the solid elements
- E04B2/06—Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position
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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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
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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
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2002/0202—Details of connections
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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
- E04B2002/565—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with a brick veneer facing
Abstract
The invention provides a composite construction method for a special-shaped complex secondary structure, which comprises the steps of base layer cleaning, paying off and positioning, straight and micro-arc wall installation of an RLC plate, hollow inner-film metal mesh cement arc wall construction, ALC plate installation, autoclaved aerated concrete block construction, joint construction of the RLC plate and other walls and the like. The method can solve the problem of difficulty in construction of the special-shaped complex secondary structure.
Description
Technical Field
The invention relates to the technical field of secondary structure construction, in particular to a composite construction method for a special-shaped complex secondary structure.
Background
With the vigorous development of national economy, the construction industry of China is also greatly developed; the building design is also increasingly complex, and various special-shaped structures with unique and beautiful shapes are similar to a round structure, an arc structure, a streamline structure and the like; these odd-shaped structures also present problems of complexity and difficulty in the construction of their secondary structures. If only the traditional masonry process is adopted, a large amount of material loss is caused, the process characteristics of the wet process operation bring certain pressure to the field green civilized construction, and most importantly, the appearance quality requirement of the special-shaped structure cannot be met due to the process limitation, so that a new construction method is urgently needed for solving the problems.
Disclosure of Invention
Aiming at the prior art, the invention provides a composite construction method for a special-shaped complex secondary structure.
The invention provides a composite construction method of a special-shaped complex secondary structure, which comprises the following steps:
s1, base layer cleaning: cleaning a wall base layer before the construction of the secondary structure wall body, cleaning and washing floating slurry and dust on floors, and watering to moisten the base layer; checking and accepting the organization basic layer before construction, and entering the next procedure after the organization basic layer is qualified;
s2, positioning the wire releasing: drawing a secondary structure interface deepening graph by taking a design drawing as a basis before construction, wherein the drawing principle is as follows: the arc-shaped wall and the straight wall with the curvature less than 0.5 adopt an RLC plate mounting process, the arc-shaped wall with the curvature more than 0.5 adopts a hollow inner-film metal mesh cement partition wall construction process, the pendant centralized wall adopts an ALC plate mounting process, and the pipeline centralized wall and the guide rail fixed wall adopt an autoclaved aerated concrete block building process;
the method comprises the following steps of (1) bouncing a building elevation control line on a structural concrete column, bouncing a wall body line on the floor according to a design drawing, bouncing a ring beam lintel position line on the structural wall and the column, hanging a line downwards from the roof for an outer wall window opening, pulling a horizontal through line for a window on the same floor, and marking an opening edge line on a beam column so as to ensure that the outer edge line of the window is horizontal and vertical;
s3, installing the straight RLC plate and the micro-arc wall: the RLC plates are connected with the top beam, the structural beam, the main body wall and the column through U-shaped steel cards; the RLC plates are assembled into a mode that an integral wallboard is fixed firstly, a door and window opening wallboard is fixed secondly, the plates are repaired after the plates are integrated firstly, and when the wallboards are installed, the top end and the side edge bonding surfaces of the wallboards are coated with adhesives, and the thickness of the adhesive coating is not less than 5 mm;
joints between the plates, joints between the bottom of the structural beam and the top of the plate and internal corners are all pasted with grid cloth by adopting gap filling mortar;
s4, constructing the hollow inner membrane metal mesh cement arc wall: installing edges and cross keels, fixing the cross keels with steel beams or steel columns by using machine screws or self-tapping screws according to paying-off, wherein the nail-shooting distance is not more than 600mm, selecting 2 ST-2 keels for upper and lower keels of the arc-shaped wall, folding according to a designed radian, additionally arranging through-length reinforcing steel bars on each side, fixing every 2 hollow units and a metal net by using iron wires, manufacturing wedge-shaped wood blocks by using ST-1 for the edge keels of the arc-shaped wall according to wall angles, and nailing the keels on the wedge-shaped wood blocks by using wood screws, wherein the distance is not more than 600 mm;
before the metal net is installed, splicing the net sheets, fastening the net sheets once every 400mm by using zinc-plated iron wires, inserting an ST-3 vertical keel into each net sheet, wherein the length of the vertical keel is consistent with that of the net sheet and is not shorter than that of the net sheet, and binding the net sheets once every 500mm by using the zinc-plated iron wires; mounting meshes in sequence from one side of a wall and a column, binding the upper part and the lower part of each mesh with a cross keel by using galvanized iron wires, fixing two adjacent meshes by using spring buckles or binding the adjacent meshes by using the galvanized iron wires, wherein the distance is not more than 600 mm;
filling a groove and plastering, namely spraying cement mortar to perform napping treatment and fill up a groove, using the cement mortar as a base layer to scrape rough, and finally using cement mortar as a surface layer; after plastering the wall surface, performing watering maintenance for at least 2 days, and maintaining for at least 2 times every day;
s5, mounting of ALC plates: the ALC board is connected with the top beam, the structural beam, the main body wall and the column by adopting a galvanized U-shaped steel card; when the ALC board is installed, cement mortar is used for setting slurry at the bottom of the wall body, when the ALC board is connected with other walls, beams and columns, a gap of 10-20mm is reserved at the end part, and foaming agents are used for filling the gap;
s6, construction of the autoclaved aerated concrete block: the building block and reinforced concrete column or wall joint, adopt the post-planting type to bury the tie bar underground on the original structure; discharging the number of bricks on the number-of-bricks rod or wall, and marking the structural elevations of the windowsill, the opening and the ring beam; building the wall according to the standard; constructing the concrete waist beam and the constructional column according to the specifications and requirements; plugging the wall top;
s7, construction of joints of the RLC plates and other walls: the joint of the RLC plate and the ALC plate, the joint of the RLC plate and the pipeline centralized wall body in a building mode and the joint of the RLC plate and the hollow inner-film metal mesh cement partition wall are reinforced in a cubic steel column mode, one end of a square steel column is welded with an angle code, the other end of the square steel column is fixed to a floor slab through bolts, and U-shaped steel clamps are welded to the two sides of the steel column and used for connecting and fixing the RLC plate and other materials; the joint of the RLC plate and the fixed wall of the guide rail is reinforced by adopting a concrete constructional column mode.
Preferably, in S3, the U-shaped steel clips are fixed by shooting nails, wherein the distance between the U-shaped steel clips and the joints of the floor slabs and the structural beams is not more than 600mm, and the U-shaped steel clips and the joints of the main body walls and the columns are arranged in a discontinuous manner by 1 m.
Preferably, in S3, when the wall length exceeds 6m, a constructional column is arranged, and when the wall height exceeds the plate thickness limit height and the door and window opening width exceeds 1500mm, a lintel is arranged, wherein the lintel and the constructional column are both made of square steel, and the RLC plate is connected with the constructional column and the lintel by using U-shaped steel cards.
Preferably, in S5, the U shaped steel card adopts to penetrate the nail fixed, and the U shaped steel card interval of the seam crossing of ALC panel and floor, structure roof beam is not more than 600mm, and 1m of the U shaped steel card of the seam crossing of ALC panel and main body wall, post is interrupted the arrangement, and the tip of every wall adopts the angle steel fixed.
Preferably, in S5, when the ALC plate exceeds 6m, a structural column is added, the structural column is made of square steel, and the structural column is welded with a flat iron or an angle brace and then fixed to the floor slab by using expansion bolts.
Compared with the prior art, the invention has the beneficial effects that: the composite construction method for the special-shaped complex secondary structure can solve the problem of difficulty in construction of the special-shaped complex secondary structure.
Drawings
FIG. 1 is a flow chart of the composite construction method of the special-shaped complex secondary structure.
Fig. 2 is a schematic diagram illustrating an RLC board installation in an embodiment of the present invention.
FIG. 3 is a schematic view of the construction of a hollow inner film metal mesh cement arc wall in the embodiment of the invention.
FIG. 4 is a schematic view of the installation of the ALC board in the embodiment of the present invention.
FIG. 5 is a schematic view of the construction of an autoclaved aerated concrete block in the embodiment of the invention.
FIG. 6 is a schematic diagram of the joint construction of the RLC plate and the ALC plate in the embodiment of the present invention.
FIG. 7 is a schematic diagram of the joint construction of the RLC plates and the pipeline centralized wall in the embodiment of the invention.
FIG. 8 is a schematic diagram of the joint construction of the RLC plates and the hollow inner film metal mesh cement arc wall in the embodiment of the present invention.
Fig. 9 is a schematic diagram of construction of joint between RLC plates and fixed wall bodies of guide rails in the embodiment of the present invention.
The concrete wall comprises 1, a floor slab, 2, RLC plates, 3, U-shaped steel clamps, 4, corner connectors and expansion bolts, 5, constructional columns, 6, lintels, 7, building blocks, 8, concrete constructional columns, 9, concrete waist beams, 10, ALC plates, 11, side keels, 12, cross keels, 13, vertical keels, 14 metal nets, 15 and a hollow inner-film metal net cement arc wall.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific drawings.
Examples
A composite construction method of a special-shaped complex secondary structure is shown in figures 1-9 and comprises the following steps:
s1, base layer cleaning: cleaning a wall base layer before the construction of the secondary structure wall body, cleaning and washing floating slurry and dust on a floor, and watering to wet the base layer; checking and accepting the organization basic layer before construction, and entering the next procedure after the organization basic layer is qualified;
s2, positioning the wire releasing: drawing a secondary structure interface deepening graph by taking a design drawing as a basis before construction, wherein the drawing principle is as follows: the arc-shaped wall and the straight wall with the curvature less than 0.5 adopt an RLC plate mounting process, the arc-shaped wall with the curvature more than 0.5 adopts a hollow inner-film metal mesh cement partition wall construction process, the wall body of a pendant centralization class such as a toilet adopts an ALC plate mounting process, the wall body of a pipeline centralization class such as a substation and a guide rail fixing class such as an elevator room adopts an autoclaved aerated concrete block building process;
the method comprises the following steps of (1) bouncing a building 1m elevation control line on a structural concrete column, bouncing a wall line on the floor according to a design drawing, wherein the wall line comprises an axis, a side line and a control line, bouncing a ring beam lintel position line on the structural wall and the column, hanging a line downwards from the roof of an outer wall window opening, pulling a horizontal through line on a window on the same floor, and marking the side line of an opening on a beam column so as to ensure that the outer side line of the window is horizontal and vertical;
s3, installing the straight RLC plate and the micro-arc wall: referring to fig. 2, the RLC plate 2 is connected with the top beam, the structural beam, the main body wall and the column by U-shaped steel clamps 3 and fixed by shooting nails, wherein the distance between the RLC plate 2 and the steel clamps at the joints of the floor 1 and the structural beam is not more than 600mm, and the steel clamps at the joints of the RLC plate 2 and the main body wall and the column are arranged in a discontinuous mode of 1 m; when the wall length exceeds 6m, a constructional column 5 is arranged, meanwhile, the wall height exceeds the plate thickness limit height, the door and window opening width exceeds 1500mm, a lintel 6 is arranged, the lintel 6 and the constructional column 5 are both made of square steel, and the RLC plate 2, the constructional column 5 and the lintel 6 are connected by U-shaped steel cards;
RLC board 2 is assembled to fix the whole wallboard first, then fix the wallboard of door and window opening, mend the board after the whole board first, when installing the wallboard, scribble and scrape the bonding surface of its top and side edge and is full of adhesive, scribble and should be even, must not miss and scrape, the thickness of adhesive coating is no less than 5mm, use the crow bar to squeeze tightly and put in place hard when the wallboard erects, correct verticality and adjacent plate face smoothness, guarantee the joint is squeezed out, the joint is compacted and sealed and straight, the wallboard is clung to the ground, if meet the ground of unevenness, use the wooden wedge to jack tightly in the wallboard bottom, the wooden wedge can be taken out and filled the wedge hole with mortar after the riser is maintained for 3 days, the mortar squeezed out between the boards is scraped and mended neatly in time, use the guiding rule and plaster board to make the wall level and find vertically;
a 50mm and a 100mm grid cloth are pasted at the rabbet between the plates by using gap filling mortar, a 100mm grid cloth is pasted at the joint of the bottom of the structural beam and the top of the plate, a 200mm grid cloth is pasted at the internal corner, the grid cloth is pasted neatly, and the visual inspection is correct;
s4, constructing the hollow inner membrane metal mesh cement arc wall: referring to fig. 3, installing side keels 11 and cross keels 12, fixing the cross keels 12 with steel beams or steel columns by machine screws or self-tapping screws according to paying-off, wherein the nail-shooting distance is not more than 600mm, the upper keel and the lower keel of the arc-shaped wall are made of 2 ST-2 keels, the upper keel and the lower keel of the arc-shaped wall are folded according to a designed radian, phi 6 through-length steel bars are additionally arranged on each side, every 2 hollow units are fixed with a metal net 14 by 22# iron wires, the side keels 11 of the arc-shaped wall are made of ST-1, wedge-shaped wood blocks are manufactured according to wall angles, and the keels are nailed on the wedge-shaped wood blocks by wood screws, wherein the distance is not more than 600 mm;
before the metal net 14 is installed, 2 net sheets are assembled on an operation platform, and are tied once every 400mm by using 22# galvanized iron wires, an ST-3 vertical keel 13 is inserted into each net sheet, the length of the ST-3 vertical keel is consistent with that of the net sheet and is not shorter than that of the net sheet, and the ST-3 vertical keel and the net sheet are bound once every 500mm by using 22# galvanized iron wires; mounting meshes in sequence from one side of a wall and a column, binding the upper part and the lower part of each mesh with the cross keel 12 by using a No. 22 galvanized iron wire, fixing the adjacent two meshes by using a spring fastener through a special tool or binding the adjacent two meshes by using the No. 22 galvanized iron wires, wherein the distance is not more than 600 mm; less than one net piece is placed in the middle of the wall body, and a keel is additionally arranged;
and (3) filling the groove and plastering, namely spraying 1:3 cement mortar for napping treatment and filling the groove, and then mixing the mixture in a ratio of 1:3, roughening the base layer by using cement mortar, and finally using 1:2.5 cement mortar as a surface layer; after plastering of the wall surface is finished, performing watering maintenance for at least 2 days, maintaining for at least 2 times every day, and determining a construction maintenance site in winter; after the construction is finished, the construction waste on site is immediately cleaned, and the site is ensured to be tidy;
s5, mounting of ALC plates: referring to fig. 4, the ALC plate 10 is connected with the top beam, the structural beam, the main body wall and the column by the U-shaped steel clamps 3 and fixed by the shooting nails, the distance between the ALC plate 10 and the floor 1 and the U-shaped steel clamps at the joint of the structural beam is not more than 600mm, 1m of the U-shaped steel clamps at the joint of the ALC plate 10 and the main body wall and the column are arranged discontinuously, and the end part of each wall is fixed by angle steel; when the ALC plate 10 is installed to be more than 6m, a constructional column 5 is added, the constructional column 5 is made of square steel, and the constructional column 5 is fixed on a floor slab through expansion bolts after being welded with corner connectors;
when ALC panel installation, use 1 at the wall bottom: 3, using a pry bar to forcibly squeeze the wallboard in place when the wallboard is erected, correcting the verticality and the flatness of the adjacent board surface, ensuring that a joint is compacted, sealed and straight, enabling the wallboard to be tightly attached to the ground, using a wood wedge to jack the bottom of the wallboard if the wallboard meets uneven ground, taking out the wood wedge after the maintenance of the vertical board for 3 days, filling a wedge hole with mortar, scraping and filling the mortar extruded between boards in time, using a guiding rule and a plastering plate to level and align the wall surface to be vertical, and leaving a gap of 10-20mm at the end part when the ALC board 10 is connected with other walls, beams and columns, wherein the gap is filled with a foaming agent; after the ALC board 10 is installed, the flatness and the verticality of the ALC board are checked, the error is controlled within three millimeters, and if the error is too large, reworking is needed;
s6, construction of the autoclaved aerated concrete block: referring to fig. 5, the building block 7 is connected with a reinforced concrete column or a wall, and a post-planting type tie bar is embedded in the original structure; discharging the number of bricks on the number-of-bricks rod or wall, and marking the structural elevations of the windowsill, the opening and the ring beam; building the wall according to the standard; constructing the concrete wale 9 and the concrete constructional column 8 according to the specification and requirements; plugging the wall top;
s7, construction of joints of the RLC plates and other walls: referring to fig. 6-9, the joint of the RLC plate 2 and the ALC plate 10, the joint of the RLC plate and the pipeline centralized wall building and the joint of the hollow inner-film metal mesh cement arc-shaped wall 15 are reinforced by a cubic steel column, one end of the square steel column is welded with an angle bracket, the other end of the square steel column is fixed on a floor slab by bolts, and a U-shaped steel clamp is welded on two sides of the steel column and used for connecting and fixing the RLC plate 2 and other materials; the RLC plate 2 and the guide rail fixed wall are connected in a building mode through a concrete constructional column.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.
Claims (5)
1. The composite construction method of the special-shaped complex secondary structure is characterized by comprising the following steps:
s1, base layer cleaning: cleaning a wall base layer before the construction of the secondary structure wall body, cleaning and washing floating slurry and dust on floors, and watering to moisten the base layer; checking and accepting the organization basic layer before construction, and entering the next procedure after the organization basic layer is qualified;
s2, positioning the wire releasing: drawing a secondary structure interface deepening graph by taking a design drawing as a basis before construction, wherein the drawing principle is as follows: the arc-shaped wall and the straight wall with the curvature less than 0.5 adopt an RLC plate mounting process, the arc-shaped wall with the curvature more than 0.5 adopts a hollow inner-film metal mesh cement partition wall construction process, the pendant centralized wall adopts an ALC plate mounting process, and the pipeline centralized wall and the guide rail fixed wall adopt an autoclaved aerated concrete block building process;
the method comprises the following steps of (1) bouncing a building elevation control line on a structural concrete column, bouncing a wall body line on the floor according to a design drawing, bouncing a ring beam lintel position line on the structural wall and the column, hanging a line downwards from the roof for an outer wall window opening, pulling a horizontal through line for a window on the same floor, and marking an opening edge line on a beam column so as to ensure that the outer edge line of the window is horizontal and vertical;
s3, installing the straight RLC plate and the micro-arc wall: the RLC plate is connected with the top beam, the structural beam, the main wall and the column through U-shaped steel cards; the RLC plates are assembled into a whole wallboard which is fixed firstly, a door and window opening wallboard is fixed secondly, the plates are repaired after the plates are finished firstly, and when the wallboards are installed, the bonding surfaces of the top ends and the side edges of the wallboards are coated with adhesives, wherein the scraping thickness of the adhesives is not less than 5 mm; joints between the plates, joints between the bottom of the structural beam and the top of the plate and internal corners are all pasted with grid cloth by adopting gap filling mortar;
s4, constructing the hollow inner membrane metal mesh cement arc wall: installing edges and cross keels, fixing the cross keels with steel beams or steel columns by using machine screws or self-tapping screws according to paying-off, wherein the nail-shooting distance is not more than 600mm, selecting 2 ST-2 keels for upper and lower keels of the arc-shaped wall, folding according to a designed radian, additionally arranging through-length reinforcing steel bars on each side, fixing every 2 hollow units and a metal net by using iron wires, manufacturing wedge-shaped wood blocks by using ST-1 for the edge keels of the arc-shaped wall according to wall angles, and nailing the keels on the wedge-shaped wood blocks by using wood screws, wherein the distance is not more than 600 mm;
before the metal net is installed, splicing the net sheets, fastening the net sheets once every 400mm by using zinc-plated iron wires, inserting an ST-3 vertical keel into each net sheet, wherein the length of the vertical keel is consistent with that of the net sheet and is not shorter than that of the net sheet, and binding the net sheets once every 500mm by using the zinc-plated iron wires; mounting meshes in sequence from one side of a wall and a column, binding the upper part and the lower part of each mesh with a cross keel by using galvanized iron wires, fixing two adjacent meshes by using spring buckles or binding the adjacent meshes by using the galvanized iron wires, wherein the distance is not more than 600 mm;
filling a groove and plastering, namely spraying cement mortar to perform napping treatment and fill up a groove, using the cement mortar as a base layer to scrape rough, and finally using cement mortar as a surface layer; after plastering the wall surface, carrying out watering maintenance for at least 2 days, and maintaining for at least 2 times every day;
s5, mounting of ALC plates: the ALC board is connected with the top beam, the structural beam, the main body wall and the column by adopting a galvanized U-shaped steel card; when the ALC board is installed, cement mortar is used for setting slurry at the bottom of the wall body, when the ALC board is connected with other walls, beams and columns, a gap of 10-20mm is reserved at the end part, and foaming agents are used for filling the gap;
s6, construction of the autoclaved aerated concrete block: the building block and the reinforced concrete column or the wall are connected, and a post-planting type tie bar is embedded in the original structure; discharging the number of bricks on the number-of-bricks rod or wall, and marking the structural elevations of the windowsill, the opening and the ring beam; building the wall according to the standard; constructing the concrete waist beam and the constructional column according to the specifications and requirements; plugging the wall top;
s7, construction of joints of the RLC plates and other walls: the joint of the RLC plate and the ALC plate, the building joint of the RLC plate and the pipeline centralized wall and the hollow inner-film metal mesh cement partition are reinforced by adopting a cubic steel column mode, one end of the square steel column is welded with an angle brace, the other end of the square steel column is fixed on a floor slab by bolts, and U-shaped steel clamps are welded on two sides of the steel column and used for connecting and fixing the RLC plate and other materials; the joint of the RLC plate and the fixed wall of the guide rail is reinforced by adopting a concrete constructional column mode.
2. The composite construction method of the special-shaped complex secondary structure as claimed in claim 1, wherein in S3, the U-shaped steel clips are fixed by shooting nails, wherein the distance between the U-shaped steel clips and the joints of the floor slab and the structural beam is not more than 600mm, and the U-shaped steel clips and the joints of the main wall and the column are arranged in a discontinuous manner by 1 m.
3. The composite construction method of the special-shaped complex secondary structure as claimed in claim 1, wherein in S3, when the wall length exceeds 6m, a constructional column is arranged, when the wall height exceeds the plate thickness limit height, and when the door and window opening width exceeds 1500mm, a lintel is arranged, wherein the lintel and the constructional column are both made of square steel, and the RLC plate material, the constructional column and the lintel are connected by U-shaped steel cards.
4. The composite construction method of the special-shaped complex secondary structure as claimed in claim 1, wherein in S5, the U-shaped steel clips are fixed by shooting nails, the distance between the U-shaped steel clips at the joint of the ALC board and the floor slab and the structural beam is not more than 600mm, 1m of the U-shaped steel clips at the joint of the ALC board and the main wall and column are arranged discontinuously, and the end of each wall is fixed by angle steel.
5. The composite construction method of the special-shaped complex secondary structure as claimed in claim 1, wherein in S5, when the ALC plate exceeds 6m, a constructional column is added, the constructional column is made of square steel, and after being welded with flat iron or an angle brace, the constructional column is fixed to a floor slab through expansion bolts.
Priority Applications (1)
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