CN117188709B - Dry-hanging construction method for large-plate-shaped concrete plate - Google Patents
Dry-hanging construction method for large-plate-shaped concrete plate Download PDFInfo
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- CN117188709B CN117188709B CN202311465820.3A CN202311465820A CN117188709B CN 117188709 B CN117188709 B CN 117188709B CN 202311465820 A CN202311465820 A CN 202311465820A CN 117188709 B CN117188709 B CN 117188709B
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- 238000010276 construction Methods 0.000 title claims abstract description 91
- 239000011248 coating agent Substances 0.000 claims abstract description 49
- 238000000576 coating method Methods 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 238000013461 design Methods 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000003973 paint Substances 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 16
- 238000004873 anchoring Methods 0.000 claims description 15
- 238000010790 dilution Methods 0.000 claims description 14
- 239000012895 dilution Substances 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 12
- 238000005498 polishing Methods 0.000 claims description 9
- 238000007761 roller coating Methods 0.000 claims description 9
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 7
- 239000008397 galvanized steel Substances 0.000 claims description 7
- 230000001680 brushing effect Effects 0.000 claims description 6
- 238000004040 coloring Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000010009 beating Methods 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002987 primer (paints) Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005336 cracking Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 5
- 238000005034 decoration Methods 0.000 abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
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- 238000012986 modification Methods 0.000 description 2
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- 238000012938 design process Methods 0.000 description 1
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Abstract
The invention relates to the field of building decoration, in particular to a dry-hanging construction method of a large-plate-shaped concrete plate. S1, preparing construction; s2, measuring and paying off; s3, base layer treatment; s4, installing a steel frame keel; s5, installing a concrete plate; s6, opening a demoulding hole of the concrete plate; s7, floor coating construction of the American concrete slab; s8, middle coating construction of the concrete plate; s9, texture construction; s10, finishing agent construction. Dividing the concrete board into large-size boards, and hanging each concrete board on a steel frame keel one by one through a hanging piece; the number of the spliced seams of the single concrete-building plates is reduced by increasing the area of the single concrete-building plates, so that the spliced seam transverse screen vertically ensures the decorative effect and the aesthetic property of the decorative surface of the concrete-building plates, and the technical problems that the small-area concrete-building plates need to be repeatedly debugged, the process is tedious and the construction efficiency is low are solved; the problem that when the wall is installed by adopting a common nailing method, the plate surface of the concrete plate is easy to expand unevenly due to screw extrusion, so that deformation and cracking can be caused is solved.
Description
Technical Field
The invention relates to the field of building decoration, in particular to a dry-hanging construction method of a large-plate-shaped concrete plate.
Background
In the design process of architectural decoration, industrial styles and concrete primary color designs are gradually accepted by more people, and are widely applied to wall decorations in various places, such as: commercial buildings, sports buildings, traffic buildings, large exhibition halls, large bookstores, libraries, etc.; such sites commonly have a large indoor space which is decorated with primary color concrete for decorative effect, and thus a large number of concrete panels are used.
The concrete board has the problems of low density and strength, is easy to damage, has complex construction process, causes low popularity, needs to be divided into boards with smaller areas to be installed on a wall due to low tensile strength of concrete, but has a plurality of splice joints in the construction process due to small area of each concrete board, and ensures the overall decorative effect and the aesthetic property of the decorative surface of the concrete board in the construction process, and needs to be continuously and repeatedly debugged in the installation process, so that the process is complicated, tedious and low in construction efficiency, and the overall decorative effect is poor and not atmospheric due to small area of the concrete board; when the concrete plate is installed on a wall body by adopting a common nailing method, the plate surface of the concrete plate is easy to expand unevenly due to screw extrusion, so that the problems of deformation, cracking and the like can be caused, the overall facing attractiveness is affected, the flatness is poor, and a plurality of defects exist.
Therefore, a dry-hanging construction method for large-plate concrete slabs is needed at present so as to solve the technical problems.
Disclosure of Invention
The invention aims to solve the problems, thereby providing a dry-hanging construction method of large-area concrete plates, which can reduce the number of the spliced seams of the concrete plates by increasing the area of the single concrete plate, ensure the decorative effect and the aesthetic property of the decorative surface of the concrete plates vertically by the spliced seam transverse screen, and solve the technical problems of repeated debugging, tedious process and low construction efficiency of the small-area concrete plates in the installation process; the problem that when the common nailing method is adopted to be installed on a wall body, the surface of the concrete board is easy to expand unevenly due to screw extrusion, and then deformation and cracking can be caused is solved, so that the decorative surface of the concrete board is smooth and complete.
The invention solves the problems, and adopts the following technical scheme:
a dry-hanging construction method of a large-plate Mei-concrete plate comprises the following steps:
s1, preparation of construction: measuring the constructed area, and typesetting and plotting according to the design requirement of the large-plate concrete plate and the measurement result;
s2, measuring and paying-off: firstly checking control lines including elevation and axes, measuring vertical lines at floor columns and wall surfaces, ejecting distance control lines from the outer surfaces of finished surfaces of the wall columns and the column vertical surfaces to the outer surface of the structure, checking whether deviation meets installation requirements, secondly, checking the elevation and the axes of + -0.00 lines of the checking structure, and ejecting main keel control lines at two ends of the wall surfaces according to the dimension of the axes;
s3, base layer processing: testing the verticality and the flatness of a base layer of a structure of a constructed area by using a leveling ruler or a level gauge, and treating a place which does not meet the standard;
s4, installing a steel frame keel: according to typesetting drawing, ejecting a vertical keel control line on the wall surface, installing a vertical keel, installing a main keel according to the ejected main keel control line, ejecting a horizontal keel elevation control line according to the typesetting width dimension of the American concrete slab and taking the design elevation of the American concrete slab as a standard, installing a horizontal keel, and connecting the vertical keel, the main keel and the horizontal keel to form a steel frame keel;
s5, mounting a concrete plate: cutting out each concrete board according to the typesetting drawing, and sequentially hanging each concrete board on a steel frame keel;
s6, opening a demoulding hole of the concrete plate: according to the design requirements, demolding holes are formed in the concrete board, dust is cleaned, the sizes, depths and intervals of the holes meet the design requirements, and coloring treatment is carried out on the demolding holes according to the design requirements;
s7, floor coating construction of the concrete board: before the bottom coating construction of the beautiful concrete plate, the wall and the ground are protected by a plastic protective film, the surface of the beautiful concrete plate is polished, then the bottom coating of the bare concrete is adopted for rolling coating, the rolling coating is carried out twice, the rolling coating is uniform and no bottom penetrating exists, and the opposite corner parts are coated by a brush;
s8, middle coating construction of the concrete board: the method comprises the steps of (1) carrying out intercoat construction after the primer coating is dried, adopting bare concrete intercoat coating to carry out roller coating, carrying out roller coating twice, carrying out roller coating uniformly without penetrating the bottom, brushing the opposite side corner parts by using a hairbrush, and polishing the parts with particles and roughness after the intercoat coating is dried;
s9, texture construction: performing texture construction according to the design requirements and reaching the design requirements, and polishing the dust and particle-containing parts after the texture construction is completed;
s10, finishing agent construction: and (3) rolling coating the finishing agent on the concrete plate, and polishing after the finishing agent is dried.
Preferably, the invention further adopts the technical scheme that:
further, in the step S1, the preparing for construction further includes:
s1-1, measuring the length, the width and the height of a constructed area in sequence, and recording measured data;
s1-2, according to the design requirement, the specification of each concrete plate is as follows: 1220mm 2440mm, 15mm thick.
Further, in the step S3, the base layer processing further includes:
s3-1, using 1 for the uneven part of the base layer of the constructed area structure: 2, trowelling cement mortar, and chiseling the convex part of the base layer of the constructed area structure;
s3-2, installing a galvanized steel sheet after the ground and the top surface are leveled.
Further, in the step S4, the installing of the steel frame keel further includes:
s4-1, ejecting vertical keel control lines on the wall surface according to typesetting drawings, wherein the distance between adjacent vertical keels is less than or equal to 1M, and the height is based on the on-site clear height of a constructed area;
s4-2, popping up anchor control lines on the wall surface according to the typesetting drawing, marking anchor positions, and sequentially installing anchors on the marked anchor positions;
s4-3, sequentially installing vertical keels on the wall surface according to the ejected vertical keel control lines, wherein the vertical keels are fixed between two galvanized steel plates and are fixed on the wall surface through anchoring pieces;
s4-4, installing main keels on the main keel control lines according to the ejected main keel control lines, and installing a plane control line between the two main keels;
s4-5, testing the perpendicularity of the main joist by using a level bar, and fixing the main joist on a wall surface through an anchoring piece after the main joist meets the construction specification;
s4-6, drilling a phi 10 hanging hole on the horizontal keel according to the typesetting drawing and installing a hanging piece for hanging the American concrete slab before the horizontal keel is installed;
s4-7, the elevation of the first horizontal keel is based on the elevation of the hanging plate design;
s4-8, mounting the other horizontal keels, namely popping up elevation control lines on the wall surface according to the width dimensions of the American concrete slabs in the typesetting drawing, mounting the horizontal keels on the elevation control lines, and connecting the horizontal keels with the main keels and the vertical keels to form steel frame keels.
Further, in the step S5, the mounting of the concrete board further includes:
s5-1, after the installation and construction of the steel frame keels are finished, the concrete boards are subjected to trial assembly, debugging and punching one by one according to typesetting drawings, and An Guajian;
s5-2, a horizontal line control line is required to be drawn for installing the upper opening of the concrete slab, so that the horizontal consistency of the upper opening of the concrete slab is ensured, the vertical seam of the concrete slab is 3mm, a vertical line is hung, the vertical seam of the concrete slab is controlled to be vertically communicated and consistent, and the horizontal seam is 3mm;
s5-3, firstly, starting to install from the bottom, taking the design elevation position as a control line of the outer surface of the concrete plate for measurement and control, controlling the verticality of each concrete plate by using a horizontal ruler, and controlling the yin and yang angles of beams, columns, walls and doors and windows by using square rules;
s5-4, the external corners are in a flat angle, the installation is carried out from bottom to top, alignment, leveling and verticality are carried out, then the hanging pieces are fixed, and the bolts are screwed;
s5-5, construction is carried out strictly according to the design requirement and the construction standard during installation, and the consistency of gaps between the concrete boards is ensured.
Further, in the step S6, the mold opening hole of the concrete board further includes:
s6-1, measuring and positioning the positions of the demoulding holes on the concrete board according to design requirements and marking one by one;
s6-2, carrying out perforating construction on the positions of the demoulding holes marked on the concrete board by adopting a perforating device;
s6-3, repairing part of demoulding holes with burrs and unsatisfactory depths when demoulding Kong Zhuyi is perforated, and carrying out ash removal treatment on each demoulding hole;
s6-4, coloring each demolding hole according to design requirements.
Further, in the step S7, the foundation coating construction of the concrete board further includes:
s7-1, the clear water dilution rate of the clear water concrete base coat paint required by base coat construction is 5-10%, the clear water dilution rate is kept consistent before and after in the same space, the suction rates of different base surface clear water concrete base coat paint are different, the brushing amount per square meter is 0.13-0.15 kg, the clear water concrete base coat paint needs to be uniformly coated once and cannot be recoated, and the drying time of the clear water concrete base coat paint is more than 3 hours.
Further, in the step S8, the middle coating construction of the concrete board further includes:
s8-1, the clear water dilution rate of the clear water concrete middle-coating paint required by middle-coating construction is 50-80%, the clear water dilution rate is kept consistent before and after the same engineering, the coating amount per square meter is 0.10-0.15 kg, and the drying time of the clear water concrete middle-coating paint is more than 2h.
Further, in the step S9, the texture construction further includes:
s9-1, dipping the sponge which does not fall off into a concrete adjusting material, and carrying out irregular pattern shooting, wherein the pattern shooting is carried out according to design requirements.
Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:
the invention divides the building concrete plate into large-size plates, measures the wall body of the indoor construction area, typesets according to the specification of the large-plate building concrete plate, installs steel frame keels on the wall body of the indoor construction area according to typesetting drawing, and hangs the building concrete plates on the steel frame keels one by one through hanging pieces so as to fix the large-plate building concrete plate on the wall body; the method not only increases the area of a single concrete plate and further reduces the number of the spliced seams of the concrete plates, but also reduces the number of times of construction of the spliced seams by the concrete plates, improves the construction efficiency of the concrete plates, ensures the decorative effect and the attractiveness of the decorative surface of the concrete plates by vertically arranging the spliced seam transverse screen, and solves the technical problems that the small-area concrete plates need to be debugged repeatedly in the installation process, the process is tedious and the construction efficiency is low; the face of the concrete board is unevenly expanded due to screw extrusion when the concrete board is installed on a wall body by adopting a common nailing method, so that the technical problems of deformation and cracking are caused, and the facing of the concrete board is smooth and complete.
Drawings
FIG. 1 is a schematic illustration of a construction process of the present invention;
FIG. 2 is a schematic view of a concrete plate mounting structure according to the present invention;
FIG. 3 is a schematic view of a concrete plate mounting structure according to the present invention;
in the figure: 1. a concrete plate; 2. a wall body; 3. a vertical keel; 4. zinc-plated steel sheet; 5. an anchor; 6. fastening the expansion bolt; 7. a hanging piece; 8. and a horizontal keel.
Detailed Description
The present invention will be further understood by the following description of embodiments, but the specific embodiments given by the applicant should not be considered as limiting the technical solution of the present invention, and any modification of the definition of components or technical features and/or the form of the whole structure without substantial change should be considered as the protection scope defined by the technical solution of the present invention.
Referring to fig. 1 to 3, the technical scheme of the invention is as follows:
a dry-hanging construction method of a large-plate Mei-concrete plate comprises the following steps:
s1, preparation of construction: measuring the constructed area, and typesetting and plotting according to the design requirement of the large-plate concrete plate 1 and the measurement result;
s1-1, measuring the length, the width and the height of a constructed area in sequence, and recording measured data;
s1-2, according to the design requirement, the specification of each concrete board 1 is as follows: 1220mm 2440mm, 15mm thick;
s1-3, typesetting and drawing are carried out through professional typesetting software, and during construction, constructors construct and discharge according to the typesetting drawing, so that the consumption of plates of the concrete board 1 is reduced, the times of cutting and reworking the concrete board 1 are reduced, the cutting and discharging efficiency of the concrete board 1 is improved, and meanwhile, the installation speed of the constructors is also improved;
s2, measuring and paying-off: firstly checking control lines including elevation and axes, measuring vertical lines at floor columns and wall surfaces, ejecting distance control lines from the outer surfaces of finished surfaces of the wall and column vertical surfaces to the outer surface of the structure, checking whether deviation is met or not, processing the positions which are not met the installation requirements until the positions meet the installation requirements, secondly checking the elevation and the axes of the + -0.00 line of the checking structure, and ejecting main keel control lines at two ends of the wall surfaces according to the dimension of the axes;
s3, base layer processing: testing the verticality and the flatness of a base layer of a structure of a constructed area by using a leveling ruler or a level gauge, and treating a place which does not meet the standard;
s3-1, using 1 for the uneven part of the base layer of the constructed area structure: 2, trowelling cement mortar, and chiseling the convex part of the base layer of the constructed area structure;
s3-2, installing a galvanized steel sheet 4 after the ground and the top surface are leveled so as to avoid the inclination, the unevenness or the dent of the buried plate base layer;
s4, installing a steel frame keel: ejecting a control line of the vertical keel 3 on the wall surface according to the typesetting drawing, installing the vertical keel 3, installing a main keel according to the ejected control line of the main keel, ejecting a control line of the elevation of the horizontal keel 8 according to the typesetting width of the American concrete slab 1 and taking the design elevation of the American concrete slab 1 as a standard, installing the horizontal keel 8, and connecting the vertical keel 3, the main keel and the horizontal keel 8 to form a steel frame keel;
s4-1, popping up control lines of the vertical keels 3 on the wall surface according to the typesetting drawing, wherein the distance between the adjacent vertical keels 3 is less than or equal to 1M, and the height is based on the on-site clear height of the constructed area; the control line of the vertical keel 3 is additionally popped up 15cm away from the wall edge at the door and window opening of the wall body 2 and the yin and yang corners of the wall body 2 in the construction area;
s4-2, popping up control lines of the anchoring parts 5 on the wall surface according to typesetting drawings, marking the positions of the anchoring parts 5, sequentially installing the anchoring parts 5 at the marked positions of the anchoring parts 5, wherein the distance between every two adjacent anchoring parts 5 is less than 1.5M, each anchoring part 5 is fixed on the wall body 2 through a fastening expansion bolt 6, and a expansion bolt installation hole is drilled on the wall body 2 corresponding to each anchoring part 5, and the depth of the installation hole is 1.1 times the length of the fastening expansion bolt 6;
s4-3, sequentially installing vertical keels 3 on the wall surface according to the ejected control lines of the vertical keels 3, wherein the vertical keels 3 are galvanized square pipes with the length of 40 x 4mm, the vertical keels 3 are welded between two galvanized steel plates 4, anchoring pieces 5 are connected to the two galvanized steel plates 4, the anchoring pieces 5 are connected with two ends of the vertical keels 3, and the vertical keels 3 are fixed on the wall surface through the anchoring pieces 5;
s4-4, installing main keels on the main keel control lines according to the ejected main keel control lines, and installing a plane control line between the two main keels;
s4-5, testing the perpendicularity of the main joist by using a level bar, and fixing the main joist on a wall surface through an anchoring piece 5 after the main joist meets the construction specification;
s4-6, drilling a hanging hole of phi 10 on the horizontal keel 8 according to the typesetting drawing and installing a hanging piece 7 of the hanging-beauty concrete slab 1 before the horizontal keel 8 is installed;
s4-7, the elevation of the first horizontal keel 8 is based on the elevation of the hanging plate design;
s4-8, mounting the other horizontal keels 8, ejecting elevation control lines on the wall surface according to the width dimension of the American concrete slab 1 in the typesetting drawing, mounting the horizontal keels 8 on the elevation control lines, welding the horizontal keels 8 on the vertical keels 3, and connecting the horizontal keels 8 with the main keels and the vertical keels 3 to form steel frame keels;
s5, mounting the concrete board 1: cutting out each concrete board 1 according to the typesetting drawing, and sequentially hanging each concrete board 1 on a steel frame keel;
s5-1, after the installation and construction of the steel frame keels are finished, the concrete board 1 is subjected to trial assembly, debugging and punching one by one according to typesetting drawings, and hanging pieces 7 are arranged;
s5-2, a horizontal line control line is required to be pulled for installing the upper opening of the concrete board 1, so that the horizontal consistency of the upper opening of the concrete board 1 is ensured, the vertical seam of the concrete board 1 is 3mm, a vertical line is hung, the vertical seam of the concrete board 1 is controlled to be vertically communicated and consistent, and the horizontal seam is 3mm;
s5-3, firstly, starting to install from the bottom, taking the design elevation position to set a control line of the outer surface of the American concrete slab 1 as the standard, measuring and controlling, controlling the verticality of each block by using a horizontal ruler, and controlling the yin and yang angles of beams, columns, walls and doors and windows by using square rules;
s5-4, the external corners are in a flat angle, the installation is carried out from bottom to top, alignment, leveling and verticality are carried out, then the hanging piece 7 is fixed, and the bolt is screwed;
s5-5, construction is carried out strictly according to the design requirement and the construction specification during installation, so that the gap between the concrete plates 1 and 1 is consistent;
s6, opening a demoulding hole of the concrete board 1: according to the design requirements, demolding holes are formed in the concrete board 1, dust is cleaned, the sizes, depths and intervals of the holes meet the design requirements, and coloring treatment is carried out on the demolding holes according to the design requirements;
s6-1, measuring and positioning the positions of the demoulding holes on the concrete board 1 according to design requirements and marking one by one;
s6-2, carrying out perforating construction on the positions of the demoulding holes marked on the concrete board 1 by adopting a perforating device;
s6-3, repairing part of demoulding holes with burrs and unsatisfactory depths when demoulding Kong Zhuyi is perforated, and carrying out ash removal treatment on each demoulding hole;
s6-4, coloring the demolding hole according to design requirements;
s7, under-coating construction of the concrete board 1: before the primary coating construction of the concrete board 1, the wall and the ground are protected by a plastic protection film, the board surface of the concrete board 1 is polished, then the primary coating paint of bare concrete is adopted for rolling coating, the rolling coating is carried out twice, the rolling coating is uniform and no penetrating bottom exists, and the opposite corner parts are coated by a brush;
s7-1, the clear water dilution rate of the clear water concrete base coat paint required by base coat construction is 5-10%, the clear water dilution rate is kept consistent before and after in the same space, the suction rates of different base surface clear water concrete base coat paint are different, the brushing amount per square meter is 0.13-0.15 kg, the clear water concrete base coat paint needs to be uniformly coated once and cannot be recoated, and the drying time of the clear water concrete base coat paint is more than 3 hours;
s8, middle coating construction of the concrete board 1: the method comprises the steps of (1) carrying out intercoat construction after the primer coating is dried, adopting bare concrete intercoat coating to carry out roller coating, carrying out roller coating twice, carrying out roller coating uniformly without penetrating the bottom, brushing the opposite side corner parts by using a hairbrush, and polishing the parts with particles and roughness after the intercoat coating is dried;
s8-1, the clear water dilution rate of the clear water concrete middle-coating paint required by middle-coating construction is 50-80%, the clear water dilution rate is kept consistent before and after the same engineering, the coating amount per square meter is 0.10-0.15 kg, and the drying time of the clear water concrete middle-coating paint is more than 2h;
s8-2, construction of protective silicon transparent finishing paint: the coating amount of the protective silicon transparent finish paint per square meter is 0.13 kg, the clear water dilution rate of the protective silicon transparent finish paint is 50-80%, the clear water dilution rate is kept consistent before and after the protective silicon transparent finish paint is maintained for more than 24 hours in the same engineering;
s9, texture construction: performing texture construction according to the design requirements and reaching the design requirements, and polishing the dust and particle-containing parts after the texture construction is completed;
s9-1, dipping a sponge which does not fall off into a concrete adjusting material, carrying out irregular pattern beating, and carrying out pattern beating according to design requirements;
s10, finishing agent construction: and (3) rolling coating the finishing agent on the concrete board 1, and polishing after the finishing agent is dried.
The invention divides the building concrete plate 1 into large-size plates, measures the wall body 2 of the indoor construction area, typesets according to the specification of the large-plate building concrete plate 1, installs steel frame keels on the wall body 2 of the indoor construction area according to typesetting drawings, and hangs each building concrete plate 1 on the steel frame keels one by one through hanging pieces 7, so that the large-plate building concrete plate 1 is fixed on the wall body 2; the method not only increases the area of the single concrete plate 1 and further reduces the number of the splicing seams of the concrete plate 1, but also reduces the number of times of construction of the splicing seams by the concrete plate 1, improves the construction efficiency of the concrete plate 1, ensures the decorative effect and the aesthetic property of the facing of the concrete plate 1 by the splicing seam transverse screen vertically, and solves the technical problems that the small-area concrete plate 1 needs to be debugged repeatedly in the installation process, has tedious process and low construction efficiency; the face of the concrete board 1 is unevenly expanded due to screw extrusion when the concrete board 1 is installed on the wall body 2 by adopting a common nailing method, so that the technical problems of deformation and cracking can be caused, and the facing of the concrete board 1 is smooth and complete.
The foregoing description of the preferred embodiments of the invention is not intended to limit the scope of the claims, but rather to cover all equivalent modifications within the scope of the present invention as defined by the appended claims.
Claims (8)
1. A dry-hanging construction method for large-plate Mei-concrete plates is characterized in that: the method comprises the following steps:
s1, preparation of construction: measuring the constructed area, and typesetting and plotting according to the design requirement of the large-plate concrete plate and the measurement result;
s2, measuring and paying-off: firstly checking control lines including elevation and axes, measuring vertical lines at floor columns and wall surfaces, ejecting distance control lines from the outer surfaces of finished surfaces of the wall columns and the column vertical surfaces to the outer surface of the structure, checking whether deviation meets installation requirements, secondly, checking the elevation and the axes of + -0.00 lines of the checking structure, and ejecting main keel control lines at two ends of the wall surfaces according to the dimension of the axes;
s3, base layer processing: testing the verticality and the flatness of a base layer of a structure of a constructed area by using a leveling ruler or a level gauge, and treating a place which does not meet the standard;
s4, installing a steel frame keel: according to typesetting drawing, ejecting a vertical keel control line on the wall surface, installing a vertical keel, installing a main keel according to the ejected main keel control line, ejecting a horizontal keel elevation control line according to the typesetting width dimension of the American concrete slab and taking the design elevation of the American concrete slab as a standard, installing a horizontal keel, and connecting the vertical keel, the main keel and the horizontal keel to form a steel frame keel;
s5, mounting a concrete plate: cutting out each concrete board according to the typesetting drawing, and sequentially hanging each concrete board on a steel frame keel;
s6, opening a demoulding hole of the concrete plate: according to the design requirements, demolding holes are formed in the concrete board, dust is cleaned, the sizes, depths and intervals of the demolding holes meet the design requirements, and coloring treatment is carried out on the demolding holes according to the design requirements;
s7, floor coating construction of the concrete board: before the bottom coating construction of the beautiful concrete plate, the wall and the ground are protected by a plastic protective film, the surface of the beautiful concrete plate is polished, then the bottom coating of the bare concrete is adopted for rolling coating, the rolling coating is carried out twice, the rolling coating is uniform and no bottom penetrating exists, and the opposite corner parts are coated by a brush;
s8, middle coating construction of the concrete board: the method comprises the steps of (1) carrying out intercoat construction after the primer coating is dried, adopting bare concrete intercoat coating to carry out roller coating, carrying out roller coating twice, carrying out roller coating uniformly without penetrating the bottom, brushing the opposite side corner parts by using a hairbrush, and polishing the parts with particles and roughness after the intercoat coating is dried;
s9, texture construction: performing texture construction according to the design requirements and reaching the design requirements, and polishing the dust and particle-containing parts after the texture construction is completed; texture construction also includes: dipping a sponge which does not fall off hair on a concrete adjusting material, carrying out irregular pattern beating, and carrying out pattern beating according to design requirements;
s10, finishing agent construction: and (3) rolling coating the finishing agent on the concrete plate, and polishing after the finishing agent is dried.
2. The method for dry-hanging the large-plate concrete-building plate according to claim 1, which is characterized in that: in the step S1, the preparing for construction further includes:
s1-1, measuring the length, the width and the height of a constructed area in sequence, and recording measured data;
s1-2, according to the design requirement, the specification of each concrete plate is as follows: 1220mm 2440mm, 15mm thick.
3. The method for dry-hanging the large-plate concrete-building plate according to claim 2, which is characterized in that: in the step S3, the base layer processing further includes:
s3-1, using 1 for the uneven part of the base layer of the constructed area structure: 2, trowelling cement mortar, and chiseling the convex part of the base layer of the constructed area structure;
s3-2, installing a galvanized steel sheet after the ground and the top surface are leveled.
4. The method for dry-hanging the large-plate concrete-building plate according to claim 3, which is characterized in that: in the step S4, the installing of the steel frame keel further includes:
s4-1, ejecting vertical keel control lines on the wall surface according to typesetting drawings, wherein the distance between adjacent vertical keels is less than or equal to 1M, and the height is based on the on-site clear height of a constructed area;
s4-2, popping up anchor control lines on the wall surface according to the typesetting drawing, marking anchor positions, and sequentially installing anchors on the marked anchor positions;
s4-3, sequentially installing vertical keels on the wall surface according to the ejected vertical keel control lines, wherein the vertical keels are fixed between two galvanized steel plates and are fixed on the wall surface through anchoring pieces;
s4-4, installing main keels on the main keel control lines according to the ejected main keel control lines, and installing a plane control line between the two main keels;
s4-5, testing the perpendicularity of the main joist by using a level bar, and fixing the main joist on a wall surface through an anchoring piece after the main joist meets the construction specification;
s4-6, drilling a phi 10 hanging hole on the horizontal keel according to the typesetting drawing and installing a hanging piece for hanging the American concrete slab before the horizontal keel is installed;
s4-7, the elevation of the first horizontal keel is based on the elevation of the design of the American concrete slab;
s4-8, mounting the other horizontal keels, namely popping up elevation control lines on the wall surface according to the width dimensions of the American concrete slabs in the typesetting drawing, mounting the horizontal keels on the elevation control lines, and connecting the horizontal keels with the main keels and the vertical keels to form steel frame keels.
5. The dry-hanging construction method for the large-plate building concrete plate, which is characterized in that: in the step S5, the mounting of the concrete board further includes:
s5-1, after the installation and construction of the steel frame keels are finished, the concrete boards are subjected to trial assembly, debugging and punching one by one according to typesetting drawings, and An Guajian;
s5-2, a horizontal line control line is required to be drawn for installing the upper opening of the concrete slab, so that the horizontal consistency of the upper opening of the concrete slab is ensured, the vertical seam of the concrete slab is 3mm, a vertical line is hung, the vertical seam of the concrete slab is controlled to be vertically communicated and consistent, and the horizontal seam is 3mm;
s5-3, firstly, starting to install from the bottom, taking the design elevation position as a control line of the outer surface of the concrete plate for measurement and control, controlling the verticality of each concrete plate by using a horizontal ruler, and controlling the yin and yang angles of beams, columns, walls and doors and windows by using square rules;
s5-4, the external corners are in a flat angle, the installation is carried out from bottom to top, alignment, leveling and verticality are carried out, then the hanging pieces are fixed, and the bolts are screwed;
s5-5, construction is carried out strictly according to the design requirement and the construction standard during installation, and the consistency of gaps between the concrete boards is ensured.
6. The method for dry-hanging the large-plate concrete-building plate according to claim 5, which is characterized in that: in the step S6, the demoulding hole of the concrete board further comprises:
s6-1, measuring and positioning the positions of the demoulding holes on the concrete board according to design requirements and marking one by one;
s6-2, carrying out perforating construction on the positions of the demoulding holes marked on the concrete board by adopting a perforating device;
s6-3, repairing part of demoulding holes with burrs and unsatisfactory depths when demoulding Kong Zhuyi is perforated, and carrying out ash removal treatment on each demoulding hole;
s6-4, coloring each demolding hole according to design requirements.
7. The method for dry-hanging the large-plate concrete-building plate according to claim 6, which is characterized in that: in the step S7, the foundation coating construction of the concrete board further comprises the following steps:
s7-1, the clear water dilution rate of the clear water concrete base coat paint required by base coat construction is 5-10%, the clear water dilution rate is kept consistent before and after in the same space, the suction rates of different base surface clear water concrete base coat paint are different, the brushing amount per square meter is 0.13-0.15 kg, the clear water concrete base coat paint needs to be uniformly coated once and cannot be recoated, and the drying time of the clear water concrete base coat paint is more than 3 hours.
8. The method for dry-hanging the large-plate concrete-building plate according to claim 7, which is characterized in that: in the step S8, the middle coating construction of the concrete board further comprises the following steps:
s8-1, the clear water dilution rate of the clear water concrete middle-coating paint required by middle-coating construction is 50-80%, the clear water dilution rate is kept consistent before and after the same engineering, the coating amount per square meter is 0.10-0.15 kg, and the drying time of the clear water concrete middle-coating paint is more than 2h.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3172428U (en) * | 2011-10-06 | 2011-12-15 | 株式会社アスタク | Decorative concrete wall |
| CN103938758A (en) * | 2014-04-22 | 2014-07-23 | 巨匠建设集团有限公司 | Method for manufacturing bare concrete concave-convex wood grain decoration wall |
| CN107119807A (en) * | 2017-05-18 | 2017-09-01 | 山东电力建设第工程公司 | A kind of construction method of faced concrete surface protection |
| CN114809512A (en) * | 2022-04-24 | 2022-07-29 | 浙江省建工集团有限责任公司 | Oversized prefabricated bare concrete hanging plate and manufacturing and mounting process |
| CN217924247U (en) * | 2022-07-12 | 2022-11-29 | 中建八局第三建设有限公司 | Unit type clear water-imitating concrete skeleton partition wall structure |
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- 2023-11-07 CN CN202311465820.3A patent/CN117188709B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3172428U (en) * | 2011-10-06 | 2011-12-15 | 株式会社アスタク | Decorative concrete wall |
| CN103938758A (en) * | 2014-04-22 | 2014-07-23 | 巨匠建设集团有限公司 | Method for manufacturing bare concrete concave-convex wood grain decoration wall |
| CN107119807A (en) * | 2017-05-18 | 2017-09-01 | 山东电力建设第工程公司 | A kind of construction method of faced concrete surface protection |
| CN114809512A (en) * | 2022-04-24 | 2022-07-29 | 浙江省建工集团有限责任公司 | Oversized prefabricated bare concrete hanging plate and manufacturing and mounting process |
| CN217924247U (en) * | 2022-07-12 | 2022-11-29 | 中建八局第三建设有限公司 | Unit type clear water-imitating concrete skeleton partition wall structure |
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