CN110725532A - Supporting system for small formwork of bare concrete decorative wall and construction process - Google Patents
Supporting system for small formwork of bare concrete decorative wall and construction process Download PDFInfo
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- CN110725532A CN110725532A CN201911035301.7A CN201911035301A CN110725532A CN 110725532 A CN110725532 A CN 110725532A CN 201911035301 A CN201911035301 A CN 201911035301A CN 110725532 A CN110725532 A CN 110725532A
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- 238000009415 formwork Methods 0.000 title claims abstract description 100
- 238000010276 construction Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000011159 matrix material Substances 0.000 claims abstract description 65
- 241000361919 Metaphire sieboldi Species 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims description 60
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000012634 fragment Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 8
- 238000009749 continuous casting Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/12—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring of elements and beams which are mounted during erection of the shuttering to brace or couple the elements
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
- E04G17/0657—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts fully recoverable
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a supporting system for a small formwork of a bare concrete decorative wall and a construction process, the supporting system for the small formwork of the bare concrete decorative wall comprises a horizontal earthworm rod, vertical auxiliary keels, transverse main keels, fastening devices, a base plate and small formworks, wherein the horizontal earthworm rod is arranged in parallel with the wall surface of a building matrix, the bottom ends of the vertical auxiliary keels are connected with the horizontal earthworm rod, a plurality of vertical auxiliary keels are arranged in parallel at intervals, the base plate is arranged on one side, facing the wall surface of the building matrix, of each vertical auxiliary keel, one side, facing away from the wall surface of the building matrix, of each vertical auxiliary keel is connected with the transverse main keel, one end of each fastening device is connected with the transverse main keel, the other end of each fastening device is connected with the wall surface of the building matrix, the small formworks are arranged in a mode that the base, Simple operation, easy control, repeated utilization, simplicity, no pollution, no waste, infinite design and the like.
Description
Technical Field
The invention relates to the technical field of concrete buildings, in particular to a supporting system for a small formwork of an exposed concrete decorative wall and a construction process.
Background
The fair-faced concrete is a new building material in the market, can be used for decorating indoor and outdoor wall surfaces, and can also be used for building.
In terms of conventional concrete pouring, the whole large formwork is required to be fixed, then concrete is poured, a vibrator is inserted for vibration, external formwork splicing is carried out after formwork stripping, continuous pouring cannot be carried out, joints of unit formworks are obvious, curtain wall type pouring cannot be achieved, and one-time pouring of modeling, bay windows, balconies and door and window sleeves cannot be achieved. The method is only applicable to structural concrete, the pouring thickness is often more than 100mm because of the need of the vibrator, even if the gravity flow type concrete is used, the thinnest part needs 50mm, and the fine construction of the decorative concrete cannot be realized.
Disclosure of Invention
In view of the above, the first objective of the present invention is to provide a support system for a small form of an as-cast finish concrete decorative wall, so as to achieve the purpose of fine construction of decorative concrete on any working surface without obvious seams.
The second purpose of the invention is to provide a construction process of the small formwork of the fair-faced concrete decorative wall based on the small formwork supporting system of the fair-faced concrete decorative wall.
In order to achieve the purpose, the invention provides the following technical scheme:
a supporting system for a small formwork of a bare concrete decorative wall comprises a horizontal earthworm rod, a vertical auxiliary keel, a transverse main keel, a fastening device, a base plate and a small formwork, the earthworm horizontal rod and the building base wall surface are laid on the ground in parallel at intervals, the bottom end of the vertical auxiliary keel is connected with the earthworm horizontal rod, the vertical auxiliary keels are arranged in parallel at intervals, the backing plate is arranged at one side of each vertical auxiliary keel, which faces the building base wall surface, the side of each vertical auxiliary keel, which deviates from the building base wall surface, is connected with the transverse main keel, one end of the fastening device is connected with the transverse main keel, the other end of the fastening device is connected with the wall surface of the building matrix, so as to fix the transverse main keel on the wall surface of the building matrix, the small template is arranged on one side of the backing plate facing the wall surface of the building matrix and clings to the backing plate, and a pouring gap for pouring concrete to form the decorative wall is formed between the small template and the wall surface of the building matrix.
Preferably, still including the wall boundary layer of laying in building base member wall, the wall boundary layer is used for increasing the adhesive force between decorative wall and the building base member wall.
Preferably, the wall boundary layer comprises a plurality of metal mesh pieces through splicing, the wall boundary layer is hung on the hanging point of the wall and is connected with the metal pressing strip fixedly connected with the hanging point, and the wall boundary layer is tightly pressed on the wall.
Preferably, two ends of the small template are respectively overlapped with the two vertical auxiliary keels.
Preferably, the width of the small template is not more than 150mm, and the length of the small template is 300 mm-1200 mm.
Preferably, the width of the shim plate does not exceed the width of the longitudinal auxiliary keel.
A construction process of a small formwork of an exposed concrete decorative wall comprises the following steps:
a building matrix measuring step, namely measuring an average base layer value according to the flatness and perpendicularity of the wall surface of the building matrix, and determining the thickness of the concrete decorative wall to be poured;
a support system building step, namely building a small formwork support system of the bare concrete decorative wall according to the thickness dimension of the concrete decorative wall, wherein the small formwork support system is defined in any one of claims 1-7;
pouring concrete, namely pouring concrete in a gap between a small template of the small template support system of the bare concrete decorative wall and the wall surface until the concrete is flush with the upper end of the small template, flattening the surface of the concrete, adding the small template, and continuing pouring until the concrete reaches a preset height;
removing the formwork, namely removing the small formwork supporting system of the bare concrete decorative wall after the whole decorative wall is poured;
and a post-treatment step, namely cleaning the wall surface and performing finishing treatment on the decorative wall surface.
Preferably, the method further comprises a step of laying a wall interface layer between the building matrix measuring step and the supporting system building step, wherein the step of laying the wall interface layer lays the wall interface layer on the building matrix wall to increase the combination firmness of the concrete and the wall.
Preferably, if the building matrix wall does not have a heat insulation layer, the step of laying the wall interface layer specifically comprises:
installing a plurality of expansion screws on the wall surface of the building matrix, wherein the expansion screws are distributed on the wall surface of the building matrix in a matrix manner;
hanging metal meshes on the expansion screws tightly close to the wall surface, and binding the metal meshes by metal wires;
and welding metal battens on the expansion screws outside the metal mesh sheets to tightly press the metal mesh sheets on the wall surface of the building matrix.
Preferably, if there is a heat insulation layer on the building matrix wall, the step of laying the wall interface layer specifically includes:
one end of the harness cord screw penetrates through the heat-insulating layer and is implanted into the wall surface of the building matrix, and the other end of the harness cord screw is exposed outside the heat-insulating wall and serves as a hanging point for hanging the metal mesh;
metal meshes are hung on the harness cord screw outside the heat preservation layer, and the metal meshes are bound by metal wires;
then the metal pressing bar is pressed on the surface of the metal mesh sheet and welded with the harness cord screw.
Preferably, if the building base is of a steel structure type, the step of laying the wall interface layer specifically includes:
welding nuts on steel keels of the building matrix, wherein the nuts are used as hanging points for hanging the metal mesh sheets;
metal meshes are hung on the nut, and the metal meshes are bound by metal wires;
then the metal pressing bar is pressed on the surface of the metal mesh sheet and welded with the nut.
Preferably, the support system construction step specifically includes:
arranging a earthworm lying rod along the wall root of the building matrix;
installing a harness cord screw on the wall surface of a building matrix, installing a transverse main keel on the harness cord screw, and locking the transverse main keel;
the vertical auxiliary keels are arranged along the earthworm horizontal rod at intervals and fixed to the earthworm horizontal rod and the transverse main keel, and the surface of one side, facing the wall surface of the building base body, of each vertical auxiliary keel is flush with the surface of one side, facing the wall surface of the building base body, of each earthworm horizontal rod;
fixing a base plate on one side of the vertical auxiliary keel, which faces the wall surface of the building matrix;
and coating release powder on the small template, and then fixing the small template on the backing plate.
Preferably, the bare concrete decorative wall small formwork support system is calibrated according to the requirements of verticality and flatness before the small formwork is installed.
Preferably, the step of removing the mold further comprises: and (4) after the local pouring of the decorative wall is finished for 1-2 days, removing the small template and pasting a protective film at the small template.
In order to achieve the purpose, the invention provides a support system for a small formwork of a bare concrete decorative wall, which comprises an earthworm horizontal rod, vertical auxiliary keels, transverse main keels, fastening devices, a base plate and small formworks, wherein the earthworm horizontal rod is laid on the ground in parallel with the wall surface of a building base body at intervals, the bottom ends of the vertical auxiliary keels are connected with the earthworm horizontal rod, a plurality of vertical auxiliary keels are arranged in parallel at intervals, the base plate is arranged on one side of each vertical auxiliary keel, which faces the wall surface of the building base body, the length of the base plate is determined according to the total height of a plurality of small formworks to be dismantled, one side of each vertical auxiliary keel, which is far away from the wall surface of the building base body, is connected with the transverse main keel, one end of each fastening device is connected with the transverse main keel, the other end of each fastening device is connected with the wall surface of the building base body so as to fix, the backing plate setting is hugged closely towards one side of building base member wall at the backing plate to little template, and the width of little template is no longer than 150mm, and little template length is with supporting the interval decision, the centre spacing of vertical supplementary fossil fragments promptly, and little template length can equal the centre spacing of adjacent vertical supplementary fossil fragments, also can be the integral multiple of the centre spacing of adjacent vertical supplementary fossil fragments, constitutes the pouring clearance that is used for concreting to form the decorative wall between little template and the building base member wall.
The invention further provides a construction process of the small formwork of the bare concrete decorative wall, which comprises a building matrix measuring step, a supporting system building step, a concrete pouring step, a formwork removing step and a post-processing step; the scheme has the following advantages:
1) the method can break through the heaviness of the conventional template, simply, conveniently and conveniently realize the fine construction of the decorative concrete, does not need a vibrator to participate in the construction operation, can reduce the thickness to 20mm, and realizes the construction of the ultrathin concrete curtain wall;
2) the continuous casting can be carried out, and the casting can be carried out in one meter and one meter without seams;
3) the door and window frame and the arc-shaped cantilever platform can be constructed and modeled at will;
4) the mould can be detached at will;
5) the production efficiency is extremely high, and 10m high can be poured or continuous operation can be performed in turn in one day;
6) the small template is a small template accumulation mode because the template is small and the maximum width is only 150mm, so the construction quality is easy to control;
7) the construction precision is high, the small formwork is supported by the supporting system of the small formwork of the bare concrete decorative wall, the stability of the small formwork is good, and the problem of formwork running is avoided;
8) the support system of the small formwork of the bare concrete decorative wall can be repeatedly utilized, and no consumable article exists;
9) the concrete pouring method is not only suitable for new building construction, but also suitable for old building reconstruction, and concrete with the thickness of 20-25mm can be poured on the outer wall and the inner wall by using the technology, so that the effect of reinforcing and wrapping can be achieved, and the effect of decoration can be achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a supporting system for laying a bare concrete decorative wall small formwork on a common wall surface according to an embodiment of the present invention;
fig. 2 is a schematic view of a system for laying bare concrete decorative wall small formwork on a steel structure wall surface according to an embodiment of the present invention.
In the figure:
1 is a earthworm lying rod; 2 is a small template; 3 is a transverse main keel; 4 is a harness cord screw; 5 is a vertical auxiliary keel; 6 is a backing plate; 7 is a wall surface boundary layer; and 8 is a nut.
Detailed Description
One of the cores of the invention is to provide a support system for the small formwork of the bare concrete decorative wall, and the structural design of the support system for the small formwork of the bare concrete decorative wall enables the support system to realize the purpose that the decorative concrete can be finely constructed on any working surface and has no obvious joint after pouring.
The other core of the invention is to provide a construction process of the small formwork of the fair-faced concrete decorative wall based on the small formwork supporting system of the fair-faced concrete decorative wall.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic view illustrating a supporting system for laying a bare concrete decorative wall small form on a common wall surface according to an embodiment of the present invention.
The invention provides a supporting system for a small formwork of a bare concrete decorative wall, which comprises an earthworm horizontal rod 1, vertical auxiliary keels 5, a transverse main keel 3, a fastening device, a base plate 6 and a small formwork 2, wherein the earthworm horizontal rod 1 is laid on the ground in parallel with the wall surface of a building matrix at intervals, the bottom end of each vertical auxiliary keel 5 is connected with the earthworm horizontal rod 1, a plurality of vertical auxiliary keels 5 are arranged in parallel at intervals, the base plate 6 is arranged on one side of each vertical auxiliary keel 5 facing the wall surface of the building matrix, the length of the base plate 6 is determined according to the total height of the small formwork 2 to be removed, the base plate 6 can be fixed on the vertical auxiliary keels 5 in an adhesive manner, when the small formwork 2 needs to be removed, the base plate 6 is knocked off from one side, so that a gap is formed between the small formwork 2 and the vertical auxiliary keels 5, thereby facilitating the removal of the small template 2, one side of each vertical auxiliary keel 5 departing from the wall surface of the building matrix is connected with the transverse main keel 3, one end of the fastening device is connected with the transverse main keel 3, the other end is connected with the wall surface of the building matrix, so as to fix the transverse main keel 3 on the wall surface of the building matrix, one or more transverse main keels 3 can be arranged according to the requirement, the small template 2 is arranged on one side of the backing plate 6 facing the wall surface of the building matrix and clings to the backing plate 6, the width of the small template 2 is not more than 150mm, the length of the small template 2 is determined by the supporting distance, the center distance of the vertical auxiliary keel 5 is equal to the center distance of the adjacent vertical auxiliary keel 5, the length of the small template 2 can be an integral multiple of the center distance of the adjacent vertical auxiliary keel 5, and a pouring gap for pouring concrete to form a decorative wall is formed between the small template 2 and the wall surface of the building matrix.
The support system for the small formwork of the bare concrete decorative wall can be used for facade construction and can also be used for pouring the small ceiling formwork 2, and the support system can be transversely arranged.
Compared with the prior art, the supporting system for the small formwork of the fair-faced concrete decorative wall provided by the embodiment of the invention has the following advantages:
1) the method can break through the heaviness of the conventional template, simply, conveniently and conveniently realize the fine construction of the decorative concrete, does not need a vibrator to participate in the construction operation, can reduce the thickness to 20mm, and realizes the construction of the ultrathin concrete curtain wall;
2) the continuous casting can be carried out, and the casting can be carried out in one meter and one meter without seams;
3) the door and window frame and the arc-shaped cantilever platform can be constructed and modeled at will;
4) the mould can be detached at will;
5) the production efficiency is extremely high, and 10m high can be poured or continuous operation can be performed in turn in one day;
6) the small template 2 is a small template 2 accumulation mode with the maximum width of only 150mm, so that the construction quality is easy to control;
7) the construction precision is high, the small formwork 2 is supported by a small formwork supporting system of the bare concrete decorative wall, the stability of the small formwork 2 is good, and the problem of formwork running is avoided;
8) the support system of the small formwork of the bare concrete decorative wall can be repeatedly utilized, and no consumable article exists;
9) the concrete pouring method is not only suitable for new building construction, but also suitable for old building reconstruction, and concrete with the thickness of 20-25mm can be poured on the outer wall and the inner wall by using the technology, so that the effect of reinforcing and wrapping can be achieved, and the effect of decoration can be achieved.
Preferably, the bare concrete decorative wall small formwork supporting system further comprises a wall surface interface layer 7 paved on the wall surface of the building matrix, and the wall surface interface layer 7 is used for increasing the adhesive force between the decorative wall and the wall surface of the building matrix. Specifically, the wall interface layer 7 is formed by splicing a plurality of metal meshes, and the wall interface layer 7 is hung on a hanging point of the wall and is pressed on the wall by metal battens fixedly connected with the hanging point. Of course, the wall interface layer 7 may have other structures, and is not limited herein.
Preferably, the both ends of little template 2 overlap joint respectively with two vertical supplementary fossil fragments 5 on, the both ends of little template 2 do not necessarily overlap joint on two adjacent vertical supplementary fossil fragments 5, under the longer condition of little template 2 length, little template 2 can stride across one or more vertical supplementary fossil fragments 5 and set up.
The width of the small template 2 is determined by the concrete thickness, because the casting thickness of the concrete of the small template 2 is 25-35 mm, and the too wide template can influence the casting quality, the limit of the width of the small template 2 is 150mm, the length of the small template 2 is determined by the supporting distance, the supporting distance refers to the central distance of the vertical auxiliary keel 5, and the central distance of the vertical auxiliary keel 5 in the scheme is 300mm, so the length of the small template 2 can be configured to 300mm, 600mm, 900mm, 1200mm and the like.
Preferably, in the present embodiment, the width of the shim plate 6 does not exceed the width of the longitudinal auxiliary keel.
Based on the support system for the small formwork of the fair-faced concrete decorative wall, the embodiment of the invention also provides a construction process for the small formwork 2 of the fair-faced concrete decorative wall, which comprises the following steps:
a building matrix measuring step, namely measuring an average base layer value according to the flatness and perpendicularity of the wall surface of the building matrix, and determining the thickness of the concrete decorative wall to be poured;
the wall body base layer needs to be flat, the vertical flat error needs to be within 10mm, and no obvious hole exists.
A support system building step, namely building the support system of the small formwork of the clear water concrete decorative wall according to the thickness of the concrete decorative wall;
when a supporting system of the small formwork of the clear water concrete decorative wall is built, a gap for placing a backing plate 6 and the small formwork 2 and a pouring gap are reserved between the earthworm horizontal rod 1 and the wall surface, if the wall surface boundary layer 7 exists, the thickness of the wall surface boundary layer 7 needs to be reserved, as shown in figure 1, the gap between the earthworm horizontal rod 1 and the wall surface is equal to the sum of the thickness a of the wall surface boundary layer 7, the thickness b of the decorative wall, the thickness c of the small template 2 and the thickness d of the backing plate 6, the thickness b of the decorative wall is about 25mm in general, the thickness of the outer wall is 30 mm-35 mm, the thickness c of the small template 2 is 15-18 mm in general, the decorative wall is made of a laminated wood board or a solid wood board, in the embodiment of the invention, the small template 2 is made of a large core plate, and a 3mm wood grain veneer can be pressed on the surface of the large core plate according to the design requirement, although other hardwoods or miscellaneous woods can be configured with the small template 2 according to the design determined form.
Pouring concrete, namely pouring concrete in a gap between the small template 2 of the small template support system of the bare concrete decorative wall and the wall surface until the concrete is flush with the upper end of the small template 2, flattening the surface of the concrete, adding the small template 2, and continuing pouring until the preset height is reached;
when the concrete is poured, the concrete is poured layer by layer, after the lower layer pouring is finished, another small formwork 2 is added on the lower layer small formwork 2, the pouring is continued, and the rest is done in sequence until the pouring is finished.
Removing the formwork, namely removing the small formwork supporting system of the bare concrete decorative wall after the whole decorative wall is poured;
the form removal can be partial form removal, namely if the engineering quantity is large, the partial small formwork 2 can be removed firstly, the partial removed small formwork 2 is protected by covering a film, the pollution of upper mud is avoided, and the integral supporting system is kept to continue the later pouring.
And a post-treatment step, namely cleaning the wall surface and performing finishing treatment on the decorative wall surface.
After the whole wall is completely finished, the small formwork supporting system can be completely dismantled, because the inner side of the small formwork 2 is brushed with the demoulding powder, the small formwork 2 can be smoothly dismantled, and the method for cleaning the concrete surface of the small formwork 2 comprises the following steps: spraying from top to bottom by using a water pipe, flushing and scrubbing the surface of the wall body at the same time, and sequentially cleaning until all the water is completely cleaned;
the finishing treatment adopts an anti-seepage protective finishing agent to ensure that the decorative wall is not polluted again, avoid absorbing dirt, facilitate self-cleaning and cleaning, prevent ultraviolet rays and aging and prevent seepage water from freezing and rising in winter.
The method also comprises a step of laying a wall surface interface layer 7 between the step of measuring the building matrix and the step of building the supporting system, wherein the step of laying the wall surface interface layer 7 lays the wall surface interface layer 7 on the building matrix wall surface so as to increase the combination firmness of the concrete and the wall surface.
Specifically, if building base member wall does not have the heat preservation, then lay 7 steps on wall boundary layer specifically include:
installing a plurality of expansion screws on the wall surface of the building matrix, wherein the expansion screws are distributed on the wall surface of the building matrix in a matrix manner;
the metal net sheets are tightly attached to the wall surface and hung on the expansion screws, and the metal net sheets are bound by metal wires;
and welding metal battens on the expansion screws outside the metal mesh sheets to tightly press the metal mesh sheets on the wall surface of the building matrix.
If there is the heat preservation building matrix wall, then lay 7 steps on the wall boundary layer and specifically include:
one end of a harness cord screw 4 penetrates through the heat-insulating layer and is implanted into the wall surface of the building matrix, and the other end of the harness cord screw is exposed outside the heat-insulating wall and serves as a hanging point for hanging the metal mesh;
metal meshes are hung on the harness cord screw 4 outside the heat preservation layer, and the metal meshes are bound by metal wires;
then the metal pressing bar is pressed on the surface of the metal mesh sheet and is welded with the harness cord screw rod 4.
If the building base member is steel structural type, then lay 7 steps on the wall boundary layer specifically include:
welding a nut 8 on a steel keel of a building matrix, wherein the nut 8 is used as a hanging point for hanging a metal mesh sheet as shown in fig. 2, and meanwhile, the nut 8 can also be used as an anchor bolt point for generating tension between the transverse main keel 3 and a wall body;
metal meshes are hung on the nut 8, and the metal meshes are bound by metal wires;
then the metal pressing bar is pressed on the surface of the metal mesh sheet and welded with the nut 8.
Under the condition that a building matrix is of a steel structure type, if large-area construction of an outer wall is met, the design is carried out according to a curtain wall system, firstly, a steel keel is welded, the specification and the size of the steel keel are based on the curtain wall structure design, and the detail is shown in figure 2; then installing an insulation board, and installing a proper insulation board along the gap of the steel keel of the curtain wall, wherein the surface of the insulation board is slightly lower than the surface of the steel keel by 3-5mm so as to form a complete building appearance; and finally, welding a nut on the steel keel to serve as an anchor bolt point for generating tension between the transverse main keel 3 and the wall body.
The support system building steps specifically include:
configuring a small template 2:
purchasing a high-quality large core board, pressing and pasting a 3mm wood grain veneer on the surface of the large core board according to design requirements, and cutting proper length and width according to process requirements, wherein in the embodiment of the invention, the small template 2 is 100mm wide and 900mm long; the large-area wall surface can be provided with small templates 2 with the lengths of 600mm, 900mm and 1200mm according to the multiple of 300 mm; the width of the small formwork 2 is determined by the concrete thickness, and the limit of the width of the small formwork 2 is 150mm because the casting thickness of the concrete of the small formwork 2 is 25 mm-35 mm, and the casting quality is affected by the too wide small formwork 2.
Arranging a earthworm lying rod 1 along the wall root of a building matrix;
in the embodiment of the invention, the earthworm horizontal rod 1 is a square steel with the specification of 60 x 120, and it should be noted that the shape of the earthworm horizontal rod 1 and the shape of the transverse main keel 3 conform to the shape of a construction wall surface.
Installing a harness cord screw 4 on the wall surface of a building matrix, installing a transverse main keel 3 on the harness cord screw 4, and locking the transverse main keel 3;
if the transverse main keels 3 are provided with a plurality of transverse main keels, the distance between two adjacent transverse main keels 3 is preferably 1000 mm-1200 mm.
Vertical auxiliary keels 5 are installed at intervals along the earthworm horizontal rod 1, the vertical auxiliary keels 5 are fixed to the earthworm horizontal rod 1 and the transverse main keel 3, and the surface of one side, facing the wall surface of the building base body, of each vertical auxiliary keel 5 is flush with the surface of one side, facing the wall surface of the building base body, of the earthworm horizontal rod 1;
in the embodiment of the invention, the specification of the vertical auxiliary keel 5 is 40 x 80, the distance from the middle to the middle is 300mm, and angle connectors made of 30 x 30 angle steel are respectively fixed on the earthworm horizontal rod 1 and the transverse main keel 3 by self-tapping screws.
A base plate 6 is fixed on one side of the vertical auxiliary keel 5, which faces the wall surface of the building matrix;
the process aims to locally remove the small template 2 under the condition of not removing a template support system; the small formwork 2 system is scientific in that the construction can be carried out for one section at any time every day, and the construction can also be stopped for a long time, but in order to maintain the concrete of the small formwork 2 which is poured, the formwork must be disassembled after two days generally, but considering that the large-area construction can not be completed for one or two days, a method which can be disassembled at any time must be arranged, the base plate 6 is a batten sawn by a large core plate, the width is 30-40 mm, and the base plate is temporarily fixed on the vertical auxiliary keel 5 by using a paper tape;
as long as the base plate 6 is knocked off from the side face, the local small template 2 naturally forms a space with the vertical auxiliary keel 5, and the small template 2 at the position can be easily detached, generally, the casting height of the small template 2 is preferably 1000-1500 mm through one-time continuous casting (if the cast height is enough for a worker to continuously cast), so that the length of the base plate 6 is preferably 1000-1500 mm, and the base plate is determined according to the casting height through one-time continuous casting and the total height of the small templates 2 to be detached.
A mold release powder is applied to the small die plate 2, and then the small die plate 2 is fixed to the backing plate 6.
The manufactured small template 2 is placed on a working table top with the right side facing upwards, demolding powder is brushed on the small template 2 through a brown brush, fine aggregate concrete is poured immediately, the surface is flattened through a special trowel after the fine aggregate concrete is vibrated to be dense, then a second small template 2 is placed, and the rest is done, so that a wall is rapidly expanded.
Before the small formwork 2 is installed, the supporting system of the small formwork of the fair-faced concrete decorative wall is calibrated according to the requirements of verticality and flatness.
According to the requirement of straightness and the roughness of hanging down, calibrate horizontal fossil fragments earlier, then according to horizontal main joist 3, with vertical auxiliary joist 5 calibration.
The step of removing the form further comprises: and (3) after the local pouring of the decorative wall is finished for 1-2 days, removing the small template 2 and pasting a protective film on the small template.
The protective film is pasted to protect the decorative wall from being polluted by the upper mud layer and to keep moisture.
In conclusion, by the small formwork supporting system and the construction process, pouring of the clear water concrete of the small formwork 2 can be conveniently realized at any place, the defect of heaviness of a conventional formwork can be avoided, the thickness of the decorative wall can be reduced to 20mm, vibrator operation is not needed, construction of an ultrathin concrete curtain wall and continuous pouring of the decorative wall can be realized, pouring of one meter and one meter can be realized, no seam exists, production efficiency can be improved, and pouring of 10 meters in height or alternative continuous operation can be realized in one day; the door and window frame and the arc-shaped cantilever platform can be constructed and modeled at will; the mould can be removed at will without mould release oil; the small template 2 is small in size, the maximum width is only 150mm, and the small template 2 is in an accumulation mode, so that the construction quality is extremely easy to control; the whole small formwork supporting system adopts a square steel section system and is connected with a wall bolt and lead screw 4, and the stable precision of the small formwork 2 is 100 percent due to the fact that the wall structure is a backer, and the possibility of formwork running is avoided; the small template supporting system can be reused, the used small templates 2 and the used base plates 6 are washed clean after being detached, the small templates can be reused, consumable articles are omitted, raw materials are conventional materials, special processing is not needed, the cost is low, and resources are saved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (14)
1. The utility model provides a little template braced system of clear water concrete decorative wall, its characterized in that, including earthworm crouching pole, vertical supplementary fossil fragments, horizontal main joist, fastener, backing plate and little template, the earthworm crouching pole lays in ground parallel and interval with building base member wall, the bottom of vertical supplementary fossil fragments connect in the earthworm crouching pole and many the parallel interval of vertical supplementary fossil fragments sets up, each vertical supplementary fossil fragments all are provided with the backing plate towards one side of building base member wall, each one side that vertical supplementary fossil fragments deviate from building base member wall is connected with horizontal main joist, fastener's one end connect in horizontal main joist, the other end is connected in building base member wall, in order to be fixed in horizontal main joist to building base member wall, little template is in the backing plate is hugged closely the backing plate setting towards one side of building base member wall, and a pouring gap for pouring concrete to form the decorative wall is formed between the small template and the wall surface of the building matrix.
2. The support system for the small formwork of the bare concrete decorative wall according to claim 1, further comprising a wall interface layer laid on the wall surface of the building base body, wherein the wall interface layer is used for increasing the bonding force between the decorative wall and the wall surface of the building base body.
3. The support system for the small formwork of the bare concrete decorative wall according to claim 2, wherein the wall surface interface layer is formed by splicing a plurality of metal meshes, the wall surface interface layer is hung on a hanging point of the wall surface, and the metal battens fixedly connected with the hanging point compress the wall surface interface layer on the wall surface.
4. The support system for small formworks of an as-cast finish concrete decorative wall as claimed in any one of claims 1 to 3, wherein two ends of the small formworks are respectively lapped on the two vertical auxiliary keels.
5. The support system for the small formwork of the bare concrete decorative wall according to claim 4, wherein the width of the small formwork is not more than 150mm, and the length of the small formwork is 300mm to 1200 mm.
6. The bare concrete decorative wall small form support system according to any one of claims 1 to 3 and 5, wherein the width of the backing plate does not exceed the width of the longitudinal auxiliary runner.
7. The utility model provides a little template construction technology of clear water concrete decorative wall which characterized in that includes:
a building matrix measuring step, namely measuring an average base layer value according to the flatness and perpendicularity of the wall surface of the building matrix, and determining the thickness of the concrete decorative wall to be poured;
a support system building step, namely building a small formwork support system of the bare concrete decorative wall according to the thickness dimension of the concrete decorative wall, wherein the small formwork support system is defined in any one of claims 1-7;
pouring concrete, namely pouring concrete in a gap between a small template of the small template support system of the bare concrete decorative wall and the wall surface until the concrete is flush with the upper end of the small template, flattening the surface of the concrete, adding the small template, and continuing pouring until the concrete reaches a preset height;
removing the formwork, namely removing the small formwork supporting system of the bare concrete decorative wall after the whole decorative wall is poured;
and a post-treatment step, namely cleaning the wall surface and performing finishing treatment on the decorative wall surface.
8. The construction process of the bare concrete decorative wall small template according to claim 7, further comprising a step of laying a wall interface layer between the step of measuring the building matrix and the step of building the support system, wherein the step of laying the wall interface layer lays the wall interface layer on the wall of the building matrix to increase the bonding firmness of the concrete and the wall.
9. The construction process of the small formwork of the bare concrete decorative wall according to claim 8, wherein if the building matrix wall surface has no insulating layer, the step of laying the wall surface interface layer specifically comprises:
installing a plurality of expansion screws on the wall surface of the building matrix, wherein the expansion screws are distributed on the wall surface of the building matrix in a matrix manner;
hanging metal meshes on the expansion screws tightly close to the wall surface, and binding the metal meshes by metal wires;
and welding metal battens on the expansion screws outside the metal mesh sheets to tightly press the metal mesh sheets on the wall surface of the building matrix.
10. The construction process of the small formwork of the bare concrete decorative wall according to claim 8, wherein if the building matrix wall has the heat insulation layer, the step of laying the wall interface layer specifically comprises:
one end of the harness cord screw penetrates through the heat-insulating layer and is implanted into the wall surface of the building matrix, and the other end of the harness cord screw is exposed outside the heat-insulating wall and serves as a hanging point for hanging the metal mesh;
metal meshes are hung on the harness cord screw outside the heat preservation layer, and the metal meshes are bound by metal wires;
then the metal pressing bar is pressed on the surface of the metal mesh sheet and welded with the harness cord screw.
11. The construction process of the small formwork of the bare concrete decorative wall according to claim 8, wherein if the building matrix is of a steel structure type, the step of laying the interface layer of the wall surface specifically comprises:
welding nuts on steel keels of the building matrix, wherein the nuts are used as hanging points for hanging the metal mesh sheets;
metal meshes are hung on the nut, and the metal meshes are bound by metal wires;
then the metal pressing bar is pressed on the surface of the metal mesh sheet and welded with the nut.
12. The construction process of the bare concrete decorative wall small formwork according to any one of claims 7 to 11, wherein the support system building step specifically comprises:
arranging a earthworm lying rod along the wall root of the building matrix;
installing a harness cord screw on the wall surface of a building matrix, installing a transverse main keel on the harness cord screw, and locking the transverse main keel;
the vertical auxiliary keels are arranged along the earthworm horizontal rod at intervals and fixed to the earthworm horizontal rod and the transverse main keel, and the surface of one side, facing the wall surface of the building base body, of each vertical auxiliary keel is flush with the surface of one side, facing the wall surface of the building base body, of each earthworm horizontal rod;
fixing a base plate on one side of the vertical auxiliary keel, which faces the wall surface of the building matrix;
and coating release powder on the small template, and then fixing the small template on the backing plate.
13. The construction process of the small formwork of the bare concrete decorative wall according to claim 12, wherein the supporting system of the small formwork of the bare concrete decorative wall is calibrated according to the requirements of verticality and flatness before the small formwork is installed.
14. A bare concrete decorative wall small form construction process according to any one of claims 7-11 and 13, wherein the form removal step further comprises: and (4) after the local pouring of the decorative wall is finished for 1-2 days, removing the small template and pasting a protective film at the small template.
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Effective date of registration: 20211104 Address after: 100124 Room 101, 1f, building J10, No. 98, Guangqu Road, Chaoyang District, Beijing Patentee after: Beijing Dagu Construction Technology Development Co.,Ltd. Address before: 100028 301, block C, Phoenix, Sanyuanqiao, Chaoyang District, Beijing Patentee before: Jiang Weiqiang |