CN115354751A - Plastering-free building method for building construction - Google Patents

Abstract

The invention discloses a plaster-free construction method for house construction, which belongs to the technical field of house construction. The construction method of the invention includes the following steps: S1: prefabricating PC components in a factory; S2: matching the prefabricated PC components with aluminum alloy templates Form the cast-in-place area; S3: pour the wall models; S4: build the operation platform. The advantages of the present invention are: the present invention prefabricates complex, difficult-to-reinforce, poor-forming, small-weight, and light-weight components through factory prefabrication, which reduces the difficulty of on-site pouring, improves construction quality and efficiency, and conforms to the development of national prefabricated buildings. The general trend is green and environmentally friendly, saving a large number of on-site construction workers; the invention adopts the combination of aluminum alloy formwork and PC components. The aluminum alloy formwork is a new type of formwork with high turnover and sustainable use. To achieve a good forming effect, the construction technology of aluminum alloy formwork and PC components is used to prefabricate complex components and construct them in a prefabricated manner.

Description

A plaster-free construction method for house construction

technical field

The invention relates to the technical field of house construction, in particular to a plaster-free construction method.

Background technique

The prefabricated building model is a major trend in the development of the national construction industry. The prefabrication of complex components can greatly reduce the application area of formwork and improve the effect of concrete molding. Under the condition of satisfying the prefabrication rate and assembly rate of the existing PC prefabricated buildings, the remaining parts are mostly constructed with wooden formwork, combined with the traditional wooden formwork reinforcement method, the PC components are hoisted, and finally the concrete is poured. In the above-mentioned technical scheme, the construction technology of using PC components and traditional wooden formwork to strengthen the cast-in-place is difficult to handle at the junction of PC components and cast-in-place. At the same time, the use area of wooden formwork is reduced, and the unit price is greatly increased, resulting in an increase in cost. At the same time, the molding quality of wood formwork is quite different from that of PC components, and it is difficult to meet the requirements of the plaster-free process. In addition, the construction of wood formwork requires mechanical cooperation, which reduces the installation efficiency of PC components.

Contents of the invention

The technical problem to be solved by the present invention is the technical problem of difficulty in reinforcing the joints of PC components and cast-in-place joints and high construction costs in existing construction methods. It provides a method to reduce the amount of aluminum mold usage and mechanical utilization rate, and reduce the difficulty of aluminum alloy template reinforcement. , a plaster-free construction method for housing construction that improves construction efficiency.

In order to solve the above technical problems, the technical solution provided by the present invention is: a plaster-free construction method for house construction, and the construction method includes the following steps,

S1: Factory prefabricated PC components. According to the house design drawings, factory prefabrication is used for floating platforms, balconies, stairs, laminated floors and walls, and PC components that meet the size requirements of the drawings are prefabricated, including prefabricated walls, prefabricated laminated floors, Prefabricated floating platforms and prefabricated stairs;

S2: Combine prefabricated PC components and aluminum alloy formwork to form a cast-in-place area. PC components and aluminum alloy formwork are fixed by straight-pull screws, and a reinforced back corrugated is set on the aluminum alloy formwork. The cast-in-place area includes T-shaped cast-in-place areas, L-shaped cast-in-place area, "one-shaped"-shaped cast-in-place area and floating platform cast-in-place area, the aluminum alloy formwork includes "one-shaped" aluminum alloy formwork and L-shaped aluminum alloy formwork;

S3: pouring each wall model, using the aluminum alloy formwork to make a T-shaped pouring model, an L-shaped pouring model, a "line"-shaped pouring model and a floating table pouring model, and finally pouring the above-mentioned T-shaped pouring model, L-shaped pouring model Concrete is poured in the pouring model, the "one-shaped" type pouring model and the floating table pouring model respectively, and the T-shaped cast-in-place wall, the L-shaped column cast-in-place wall, the "one-shaped" type cast-in-place wall and the floating platform are prepared For the cast-in-place wall, the length of the T-shaped cast-in-place wall and the L-shaped cast-in-place wall is greater than 350mm, and the L-shaped cast-in-place wall is provided with diagonal braces. On the bottom surface, it is used to support the wall. The length of the "one-shaped" type cast-in-place wall is greater than 600mm. The "one-shaped" type cast-in-place wall is added with a diagonal brace, and one end of the diagonal brace is against the reinforced back corrugated. , the other end leans against the bottom surface to support the wall;

S4: Build an operation platform, enclose the above-mentioned T-shaped cast-in-place wall, L-shaped cast-in-place wall and "one-shaped" cast-in-place wall to form an operation platform, and build an installation area on the top of the operation platform, Then pour concrete on the installation area to form the floor. The installation area is constructed by placing a prefabricated laminated floor on the top of the operating platform. Arranged parallel to the long side of the room or arranged according to the short side of the room if there is no post-casting tape or the laminated floor slab has a small length and width, and a "well-shaped" auxiliary keel is arranged on both sides of the main keel to the end of the wall, and the prefabricated laminated floor slab Laying on the "well-shaped"-shaped auxiliary keel.

Using the above steps, the complex, difficult to reinforce, poor forming effect, small pouring volume, and light weight components are prefabricated in the factory to reduce the difficulty of on-site pouring and improve work efficiency, and then use the aluminum alloy formwork to cooperate with the PC components or use the PCF plate formwork Cooperate with PC components and pour concrete to form window sill cast-in-place walls, T-shaped cast-in-place walls, L-shaped cast-in-place walls and "line"-shaped cast-in-place walls, and use aluminum alloy formwork to build laminated panels on the top of the operating platform In the installation area, the laminated slab is placed in the laminated slab installation area, and then concrete is poured to form the floor slab. The construction is simple and the construction time is reduced. Moreover, the aluminum alloy formwork is a new type of formwork system with high turnover and sustainable use, which is easy to carry and aluminum After the alloy is disassembled, the surface of the wall is smooth, achieving the effect of no plastering.

As an improvement, the installation area in S4 is constructed on the top of the operation platform by using aluminum alloy formwork and prefabricated laminated floor slabs.

As an improvement, the end of the PC component in S1 and the two sides are respectively provided with grooves, the groove and the aluminum alloy formwork form a overflow area, and the end of the groove is far away from the end of the PC component in the overflow area Double-sided adhesives are provided to stick to the side walls of PC components and aluminum alloy templates respectively.

As an improvement, in the S3, the T-shaped pouring model is used to form a T-shaped cast-in-place wall for reinforcement, and the T-shaped pouring model includes the upper prefabricated wall, the left prefabricated wall and the right The prefabricated wall above, the prefabricated wall on the left and the prefabricated wall on the right enclose a T-shaped cast-in-place area, and operate in the following order, the first step: groove the prefabricated wall Paste double-sided adhesive to prevent grout leakage; Step 2: Install aluminum alloy formwork on both sides of the T-shaped cast-in-place area, and set a reinforced back flute on the back of the aluminum alloy formwork, and use a screw to pass through the reinforced back flute to connect the aluminum alloy formwork on both sides Locking; the third step: pour concrete into the T-shaped cast-in-place area until the prefabricated wall and the T-shaped cast-in-place area are bonded together, and finally remove the aluminum alloy formwork and reinforce the back corrugated.

As an improvement, in the S3, an L-shaped pouring model is used to form an L-shaped cast-in-place wall for reinforcement with an aluminum alloy formwork, and the L-shaped pouring model includes an upper prefabricated wall and a lower prefabricated wall, and the upper The prefabricated wall and the prefabricated wall below form an L-shaped cast-in-place area, and operate in the following order, the first step: paste double-sided adhesive on the groove of the prefabricated wall to prevent grout leakage; the second step: in the L-shaped Install aluminum alloy formwork on both sides of the cast-in-place area; Step 3: Install a reinforced back flute on the back of the aluminum alloy formwork, and use a screw to pass through the reinforced back flute to lock the aluminum alloy formwork inside and outside the L-shaped cast-in-place area. Step 4: Pour concrete into the L-shaped cast-in-place area until the prefabricated wall and the L-shaped cast-in-place area are bonded together, and finally remove the aluminum alloy formwork and reinforce the back corrugation.

As an improvement, in S3, the aluminum alloy formwork is used for reinforcement to form a "one-shaped" pouring model to obtain a "one-shaped" cast-in-place wall, and the "one-shaped" cast-in-place wall includes the prefabricated The wall and the prefabricated wall on the right, the prefabricated wall on the left and the prefabricated wall on the right enclose a "line" type cast-in-place area, and operate in the following order, the first step: in the prefabricated wall Paste double-sided adhesive tape on the tongue and groove to prevent slurry leakage; Step 2: Install aluminum alloy formwork on the surface and back of the "one-shaped" cast-in-place area, and the back of the aluminum alloy formwork is provided with a reinforced back corrugated; Step 3: Use The screw passes through the reinforced back corrugated to lock the surface of the "one-shaped" cast-in-place area and the aluminum alloy formwork on the back; the fourth step: pour concrete into the "one-shaped" cast-in-place area until the prefabricated wall and the "one-shaped" cast-in-place area "Type cast-in-place areas are bonded together, and finally the aluminum alloy formwork is removed and the back corrugated is reinforced.

As an improvement, in the above-mentioned S3, the aluminum alloy formwork is used for reinforcement to form a floating platform pouring model to obtain a floating platform cast-in-place wall. Set a reinforced back flute on the back of the aluminum alloy formwork, and use a screw to pass through the reinforced back flute to lock the aluminum alloy formwork; the second step: add a diagonal brace, one end of the diagonal brace is connected to the reinforced back flute, and the other end of the diagonal brace rests on the ground; Step 3: Pour concrete into the cast-in-place area of the floating platform until the cast-in-place area of the floating platform is bonded with the prefabricated floating platform and the wall. Finally, the aluminum alloy formwork and the reinforced back flute are removed. The sides of the platform are arranged in parallel to form right-angle anchors and are fixed by cable-stayed screws. Square cushions are provided between the reinforced back corrugated and the prefabricated floating platform, and steel gaskets and The distance c between two adjacent bolt holes is 600mm-800mm.

As an improvement, in the above-mentioned S4, the aluminum alloy formwork is used to make the floor, the first step: the operation platform is surrounded by cast-in-place walls and prefabricated walls; the second step: the aluminum alloy formwork is set at the top of the inner and outer walls around the operation platform, And the back of the aluminum alloy formwork is provided with a reinforced back corrugation, and the aluminum alloy formwork on the outer wall and inner wall of the operation platform is locked by a screw through the reinforced back corrugation, and the aluminum alloy formwork on the top of the operation platform encloses the installation area; the third step: in the operation The inner cavity of the platform is located at the bottom of the installation area, and the main keel supported by the laminated floor slab and the auxiliary keel in the shape of a "well" are set; the fourth step: Lay the laminated floor slab, and reserve a cast-in-place area between the laminated floor slabs; the fifth step: Concrete is poured on the laminated floor until the laminated floor, cast-in-place area and wall are bonded together, and finally the aluminum alloy formwork is removed and the back corrugated is reinforced.

As an improvement, the aluminum alloy formwork on the outside can be replaced by insulation boards and PCF boards.

As an improvement, the prefabricated laminated floor slab is embedded in the cast-in-place area with an embedding distance b of 5 mm to 15 mm, and the distance a between the prefabricated laminated floor slab and the end of the cast-in-place area is 15 mm to 25 mm.

Compared with the prior art, the present invention has the advantages that: the present invention prefabricates complex, hard-to-reinforce, poor-forming components with small pouring volume and light weight through factory prefabrication, reduces the difficulty of on-site pouring, improves construction quality and efficiency, and conforms to The general trend of the development of prefabricated buildings in the country is green and environmentally friendly, saving a large number of on-site construction workers; the invention adopts the combination of aluminum alloy formwork and PC components. Aluminum alloy formwork is a new type of formwork with high turnover and sustainable use. It can play a very good forming effect in the pouring of components such as aluminum alloy formwork and PC components. The complex components are prefabricated and assembled in construction. While greatly reducing the application of formwork, it avoids bay windows, stairs, balconies, It is difficult to install and reinforce the aluminum alloy formwork on parts such as heterosexual components, and the forming effect is poor. By fully combining the advantages of the two, it not only meets the green construction requirements of the national prefabricated building, but also ensures the quality of the building forming, achieving the effect of no plastering; The aluminum alloy formwork of the present invention is provided with a reinforced back corrugation. When the aluminum alloy formwork is combined with the PC component, the bolts pass through the reinforced back corrugate to lock the aluminum alloy formwork to improve the assembly strength and avoid wall deformation, and when the cast-in-place wall is larger than mm Add diagonal braces to support the wall, avoid wall deformation, improve project quality and construction efficiency.

The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the drawings and the following detailed description.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or in the prior art, the following will briefly introduce the drawings that need to be used in the embodiments or technical descriptions. Obviously, the drawings in the following description are only For some embodiments of the present application, those of ordinary skill in the art can also obtain other drawings based on these drawings without creative effort.

Fig. 1 is the schematic diagram of T-shaped cast-in-place wall reinforced by aluminum alloy formwork in the present invention.

FIG. 2 is a schematic cross-sectional view of A-A in FIG. 1 .

Fig. 3 is a schematic diagram of a T-shaped cast-in-place wall reinforced by an aluminum alloy formwork in the present invention (the length of the cast-in-place wall is greater than 350 mm).

FIG. 4 is a schematic cross-sectional view along B-B of FIG. 3 .

Fig. 5 is a schematic diagram of an L-shaped cast-in-place wall reinforced by an aluminum alloy formwork in the present invention.

FIG. 6 is a schematic cross-sectional view of C-C in FIG. 5 .

Fig. 7 is a schematic diagram of an L-shaped cast-in-place wall reinforced by an aluminum alloy template in the present invention (the length of the cast-in-place wall is greater than 350 mm).

FIG. 8 is a schematic cross-sectional view along D-D of FIG. 7 .

Fig. 9 is a schematic diagram of the present invention using an aluminum alloy formwork to reinforce a "one-shaped" cast-in-place wall.

FIG. 10 is a schematic cross-sectional view of E-E in FIG. 9 .

Fig. 11 is a schematic diagram of the present invention adopting an aluminum alloy formwork to reinforce a "one-shaped" type cast-in-place wall (the length of the cast-in-place wall is greater than 600 mm).

FIG. 12 is a schematic cross-sectional view of F-F in FIG. 11 .

Fig. 13 is a schematic diagram of the present invention using an aluminum alloy formwork to make a floor slab.

Fig. 14 is a G-G sectional view of Fig. 13 .

Fig. 15 is a sectional view taken along line H-H of Fig. 13 .

Fig. 16 is a sectional view taken along line I-I of Fig. 13 .

Fig. 17 is a schematic diagram of the present invention using aluminum alloy formwork to reinforce the cast-in-place wall of the floating platform.

Fig. 18 is a J-J sectional view of Fig. 17 .

Fig. 19 is a K-K sectional view of Fig. 17 .

Fig. 20 is a schematic diagram of the present invention using a PCF board instead of an outer aluminum alloy formwork.

Fig. 21 is an enlarged schematic view of the present invention A.

Fig. 22 is an enlarged schematic view of B of the present invention.

As shown in the figure: 1. T-shaped pouring model; 2. Prefabricated wall; 3. Aluminum alloy formwork; 4. Reinforced back corrugated; 5. Cast-in-place area; 6. Straight pull screw; 9. Floor slab; 10. "One-shaped" type irrigation model; 11. Laminated floor slab; 12. "Well-shaped" auxiliary keel; 13. Main keel; 14. Square pad; 15. Steel gasket and bolt holes; 16. Prefabricated floating platform; 17. Watering model of floating platform; 18. Insulation board; 19. PCF board;

Detailed ways

In the following, only some exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and descriptions are to be regarded as illustrative in nature and not restrictive.

The present invention will be further described in detail below in conjunction with the full text.

Embodiment one

As shown in Figures 1 to 22, a plaster-free construction method for house construction, the construction method includes the following steps,

S1: Factory prefabricated PC components. According to the house design drawings, factory prefabrication is used for floating platforms, balconies, stairs, laminated floors and walls, and PC components that meet the size requirements of the drawings are prefabricated, including prefabricated walls 2 and prefabricated laminated floors. 11. Prefabricated floating platform 16, and prefabricated stairs;

S2: Cooperate the prefabricated PC components and the aluminum alloy formwork 3 to form the cast-in-place area 5, the PC components and the aluminum alloy formwork 3 are fixed by the straight pull screw 6, and the reinforced back corrugated 4 is set on the aluminum alloy formwork 3, and the cast-in-place area 5 Including T-shaped cast-in-place area, L-shaped cast-in-place area, "one-shaped" type cast-in-place area and floating table cast-in-place area, aluminum alloy formwork 3 includes "one-shaped" type aluminum alloy formwork and L-shaped aluminum alloy formwork, L-shaped The aluminum alloy template is integrally formed;

S3: pouring each wall model, using the aluminum alloy formwork 3 to make a T-shaped pouring model 1, an L-shaped pouring model 8, a "one-shaped"-shaped pouring model 10 and a floating table pouring model 17, and finally pouring the above-mentioned T-shaped Concrete is respectively poured in pouring model 1, L-shaped pouring model 8, "one-shaped" pouring model 10 and floating table pouring model 17, and T-shaped cast-in-place wall, L-shaped column concrete cast-in-place wall, "one-character" "Type cast-in-place walls and floating platform cast-in-place walls, T-type cast-in-place walls and L-type cast-in-place walls with a length greater than 350 mm, and L-type cast-in-place walls with additional diagonal braces 7, one end of which is against the Reinforce the back corrugated 4, and the other end leans against the bottom surface to support the wall. The length of the "one-shaped" cast-in-place wall is greater than 600mm. One end of the support 7 leans against the reinforced back corrugated 4, and the other end leans against the bottom surface, which is used to support the wall, avoid deformation of the wall, etc., and improve the quality of the project;

S4: Build an operation platform, enclose the T-shaped cast-in-place wall, L-shaped cast-in-place wall and "one-shaped" cast-in-place wall to form an operation platform, build an installation area on the top of the operation platform, and then go to Concrete is poured on the installation area to form the floor 9. The installation area is constructed by placing a prefabricated laminated floor 11 on the top of the operating platform. Arranged parallel to the long side of the room or arranged according to the short side of the room if there is no post-cast belt or the laminated floor slab has a small length and width. Composite floor slab 11 is laid on the "well-shaped"-shaped sub-keel 12. The distance between the support of the composite floor slab and the end of the beam is less than or equal to 950mm, and the distance between the supports is designed to be less than or equal to 1200mm. The distance between the floor support and the side is less than or equal to 650mm, if it exceeds, add temporary support.

The installation area in S4 is constructed on the top of the operation platform by using the aluminum alloy formwork 3 and the prefabricated laminated floor 11 to cooperate.

The end of the PC component in S1 and the two sides are respectively provided with grooves 20, the groove 20 and the aluminum alloy template 3 form a overflow area, and the groove 20 is provided with double grooves at the end of the overflow area away from the end of the PC component. The surface glue 21 is pasted on the side walls of the PC component and the aluminum alloy template 3 respectively.

As shown in Figures 1 to 4, a T-shaped pouring model 1 is used to form a T-shaped cast-in-place wall for reinforcement with an aluminum alloy formwork 3. The T-shaped pouring model 1 includes the upper prefabricated wall 2 and the left prefabricated wall 2 and the prefabricated wall 2 on the right, the prefabricated wall 2 above, the prefabricated wall 2 on the left and the prefabricated wall 2 on the right form a T-shaped cast-in-place area, and operate in the following order, the first step: Paste double-sided tape 21 on the tongue and groove 20 of the prefabricated wall 2 to prevent grout leakage; the second step: install aluminum alloy formwork 3 on both sides of the T-shaped cast-in-place area, and set a reinforced back corrugated 4 on the back of the aluminum alloy formwork 3, using The screw passes through the reinforced back corrugated 4 to lock the aluminum alloy formwork 3 on both sides; the third step is to pour concrete into the T-shaped cast-in-place area until the prefabricated wall 2 and the T-shaped cast-in-place area are bonded together, and finally disassemble the aluminum alloy formwork 3. Alloy template 3 and reinforced back corrugated 4. In the present invention, double-sided adhesive tape 21 is pasted on the tongue and groove 20 of the prefabricated wall 2 to prevent grout leakage, so as to prevent the grout from seeping out when pouring concrete, and the sealing performance is better, and the aluminum alloy formwork 3 is arranged on the cast-in-place area 5, and the aluminum alloy Reinforcement back corrugated 4 is set on the back of formwork 3, and screw 6 passes through reinforced back corrugated 4 to lock aluminum alloy formwork 3 to form a pouring space, and concrete is poured into T-shaped cast-in-place area until the prefabricated wall 2 and T-shaped cast-in-place area are bonded Together, the aluminum alloy formwork 3 and the reinforced back corrugated 4 are disassembled at last, and the surface of the T-shaped cast-in-place area is smooth to achieve the effect of no plastering.

As shown in Figures 5 to 8, an L-shaped pouring model 8 is used to form an L-shaped cast-in-place wall for reinforcement using an aluminum alloy formwork 3. The L-shaped pouring model 8 includes the upper prefabricated wall 2 and the lower prefabricated wall 2 , the upper prefabricated wall 2 and the lower prefabricated wall 2 enclose an L-shaped cast-in-place area, and operate in the following order, the first step: paste double-sided adhesive tape 21 on the groove of the prefabricated wall 2 to prevent grout leakage; the second Step 2: Install aluminum alloy formwork 3 on both sides of the L-shaped cast-in-place area; Step 3: Install a reinforced back flute 4 on the back of the aluminum alloy formwork 3, and use a screw 6 to pass through the reinforced back flute 4 to cast the L-shaped The aluminum alloy formwork 3 inside and outside the area is locked, and the fourth step: pour concrete into the L-shaped cast-in-place area until the prefabricated wall 2 and the L-shaped cast-in-place area are bonded together, and finally disassemble the aluminum alloy formwork 3 and the reinforced back Leng 4.

As shown in Figures 9 to 12, the aluminum alloy template 3 is used for reinforcement to form a "one-shaped" pouring model 10 to obtain a "one-shaped" cast-in-place wall. The "one-shaped" cast-in-place wall includes the left The prefabricated wall 2 and the prefabricated wall 2 on the right, the prefabricated wall 2 on the left and the prefabricated wall 2 on the right form a "line" type cast-in-place area, and operate in the following order, the first step: in Paste double-sided adhesive tape 21 on the tongue and groove of the prefabricated wall body 2 to prevent grout leakage; the second step: install aluminum alloy formwork 3 on the surface and back of the "one-shaped" cast-in-place area, and the back of the aluminum alloy formwork 3 is provided with a reinforced back The third step: use the screw 6 to pass through the reinforced back flute 4 to lock the surface of the "one-shaped" cast-in-place area and the aluminum alloy template 3 on the back; the fourth step: go to the "one-shaped" cast-in-place area Concrete is poured until the prefabricated wall 2 and the "one-shaped" cast-in-place area are bonded together, and finally the aluminum alloy formwork 3 and the reinforced back corrugated 4 are disassembled.

As shown in Figures 13 to 16, the aluminum alloy formwork 3 is used to make the floor 9, the first step: use the cast-in-place wall and the prefabricated wall 2 to enclose the operation platform; the second step: set the Aluminum alloy formwork 3, and the back of the aluminum alloy formwork 3 is provided with a reinforced back flute 4, and the aluminum alloy formwork 3 on the outer wall and the inner wall of the operation platform is locked by using a screw 6 through the reinforced back flute 4, and the aluminum alloy formwork 4 on the top of the operation platform Enclose the installation area; Step 3: Set the main keel 13 supported by the laminated floor slab and the auxiliary keel 12 in the shape of a "well" at the bottom of the operation platform cavity located in the installation area; Step 4: Lay the laminated floor 11, laminated Reserve a cast-in-place area between the composite floor slabs 11; step 5: pour concrete on the composite floor slab 11 until the composite floor 11, the cast-in-place area and the wall are bonded together, and finally disassemble the aluminum alloy formwork 3 and the reinforced back Leng 4.

As shown in Figures 17 to 19, the aluminum alloy formwork 3 is used for reinforcement to form a floating platform pouring model 17 to obtain a floating platform cast-in-place wall. In the cast-in-place area of the platform, a reinforced back corrugated 4 is set on the back of the aluminum alloy formwork 3, and the aluminum alloy formwork 3 is locked by using a screw 6 to pass through the reinforced back corrugated 4; the second step: add a diagonal brace 7, and one end of the diagonal brace 7 is connected to the reinforced back 4, the other end of the diagonal brace 7 leans against the ground; the third step: pour concrete into the cast-in-place area of the floating platform until the cast-in-place area of the floating platform and the prefabricated floating platform 16 and the wall are bonded together, and finally disassemble the aluminum Alloy formwork 3 and reinforced back flute 4, reinforced back flute 4 is arranged parallel to the side of the prefabricated floating platform 16 to form a right-angle anchor and is fixed with an obliquely pulled screw rod 6, and the reinforced back flute 4 and the prefabricated floating platform 16 are provided with Square pads 14, steel pads and bolt holes 15 are evenly pre-embedded in the prefabricated floating platform 16, and the interval c between adjacent two is 600mm.

As shown in FIG. 20 , the prefabricated laminated floor 11 is embedded in the cast-in-place area 5 with an embedding distance b of 10 mm, and the distance a between the prefabricated laminated floor 11 and the end of the cast-in-place area 5 is 20 mm.

Prefabricated platform design, P plate and C groove should extend 50mm to prevent slurry leakage.

Embodiment two

If this construction method is used in the north, the outer side of the cast-in-place area 5 can be used in the form of a combination of thermal insulation board 18 and PCF board 19 to replace the aluminum alloy formwork 3. The thermal insulation board 18 is on the inner side, and the PCF board 19 is on the outer side. The rest of the structural settings are the same. Embodiment one.

The present invention and its implementations have been described above, and this description is not limiting. What is shown in the drawings is only one of the implementations of the present invention, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, and without departing from the inventive concept of the present invention, without creatively designing a structure and an embodiment similar to the technical solution, it shall fall within the scope of protection of the present invention.

Claims (10)

1. A kind of building construction exempts plastering construction method, it is characterized in that: described construction construction method comprises the following steps, S1: Factory prefabricated PC components. According to the house design drawings, factory prefabrication is used for floating platforms, balconies, stairs, laminated floors and walls, and PC components that meet the size requirements of the drawings are prefabricated, including prefabricated walls (2), prefabricated stacked Combined floor slab (11), prefabricated floating platform (16), and prefabricated stairs; S2: Cooperate the prefabricated PC component and the aluminum alloy formwork (3) to form the cast-in-place area (5), the PC component and the aluminum alloy formwork (3) are fixed by the straight pull screw (6), and are placed on the aluminum alloy formwork (3) Set the reinforcement back corrugated (4), the cast-in-place area (5) includes the T-shaped cast-in-place area, the L-shaped cast-in-place area, the "line" type cast-in-place area and the floating table cast-in-place area, and the aluminum alloy formwork (3) includes " "One word" aluminum alloy formwork and L-shaped aluminum alloy formwork; S3: pouring each wall model, using the aluminum alloy formwork (3), respectively making a T-shaped pouring model (1), an L-shaped pouring model (8), a "one-shaped"-shaped pouring model (10) and a floating table pouring model (17), pour concrete respectively in above-mentioned T-shaped pouring model (1), L-shaped pouring model (8), " one word " type pouring model (10) and floating table pouring model (17) at last, make T Type cast-in-place wall, L-shaped column cast-in-place wall, "one-shaped" type cast-in-place wall and floating platform cast-in-place wall, the length of the T-shaped cast-in-place wall and L-shaped cast-in-place wall is greater than 350 mm, the L-shaped cast-in-place wall is additionally provided with a diagonal brace (7), one end of the diagonal brace (7) leans against the reinforced back corrugated (4), and the other end leans against the bottom surface for supporting the wall, the " The length of the "one-shaped" type cast-in-place wall is greater than 600 mm, and the "one-shaped" type cast-in-place wall is additionally provided with diagonal braces (7). One end of the diagonal brace (7) rests on the reinforced back (4), and the other On the bottom surface, it is used to support the wall; S4: Build an operation platform, enclose the above-mentioned T-shaped cast-in-place wall, L-shaped cast-in-place wall and "one-shaped" cast-in-place wall to form an operation platform, and build an installation area on the top of the operation platform, Then pour concrete on the installation area to form the floor slab (9). The installation area is formed by placing a prefabricated laminated floor (11) on the top of the operating platform, and the supporting design of the prefabricated laminated floor (11) and the laminated floor support , the main keel (13) supported by the laminated floor is arranged parallel to the long side of the room or arranged according to the short side of the room if there is no post-casting belt or the length and width of the laminated floor are small, and on both sides of the main keel (13). A "square" shaped sub-keel (12) is arranged at the end of the wall, and the prefabricated laminated floor slab (11) is laid on the "well-shaped" shaped sub-keel (12). 2. According to claim 1, a kind of house construction construction method without plastering, is characterized in that: the installation area in the S4 is to use the aluminum alloy formwork (3) and the prefabricated laminated floor (11) to cooperate on the operation platform built from the top. 3. According to claim 1, a kind of house construction construction method without plastering is characterized in that: the end of the PC member in the S1 and the two sides are respectively provided with rebates (20), and the rebates ( 20) and the aluminum alloy formwork (3) to form a overflow area, and in the groove (20), the end of the overflow area away from the end of the PC component is provided with double-sided adhesive tape (21) and the PC component and the aluminum alloy formwork respectively. (3) The side wall is pasted. 4. A kind of building construction method according to claim 1 without plastering, characterized in that: in the S3, the aluminum alloy formwork (3) is used for reinforcement to form a T-shaped pouring model (1) to obtain a T-shaped concrete Pouring the wall, the T-shaped pouring model (1) includes a prefabricated wall (2) above, a prefabricated wall (2) on the left side and a prefabricated wall (2) on the right side, the prefabricated wall above (2), the prefabricated wall (2) on the left side and the prefabricated wall (2) on the right side form a T-shaped cast-in-place area, and operate in the following order, the first step: in the project of the prefabricated wall (2) Paste double-sided tape (21) on the mouth (20) to prevent grout leakage; Step 2: Install aluminum alloy formwork (3) on both sides of the T-shaped cast-in-place area, and set a reinforced back corrugated (4) on the back of the aluminum alloy formwork (3) ), use the screw rod to pass through the reinforced back corrugated (4) to lock the aluminum alloy formwork (3) on both sides; the third step: pour concrete into the T-shaped cast-in-place area until the prefabricated wall (2) and the T-shaped cast-in-place The areas are glued together, and finally the aluminum alloy formwork (3) and reinforcement back corrugated (4) are disassembled. 5. A kind of building construction method according to claim 1 without plastering, characterized in that: in the S3, the aluminum alloy formwork (3) is used to reinforce and form an L-shaped pouring model (8) to obtain an L-shaped existing Pouring the wall, the L-shaped pouring model (8) includes a prefabricated wall (2) above and a prefabricated wall (2) below, and the prefabricated wall (2) above and the prefabricated wall (2) below ) to form an L-shaped cast-in-place area, and operate in the following order, the first step: paste double-sided adhesive (21) on the tongue and groove of the prefabricated wall (2) to prevent grout leakage; second step: in the L-shaped cast-in-place area Install the aluminum alloy formwork (3) on both sides; the third step: add a reinforced back flute (4) on the back of the aluminum alloy formwork (3), and use a screw (6) to pass through the reinforced back flute (4) to place the L-shaped existing The aluminum alloy formwork (3) inside and outside the pouring area is locked, the fourth step: pour concrete into the L-shaped cast-in-place area until the prefabricated wall (2) and the L-shaped cast-in-place area are bonded together, and finally disassemble the aluminum alloy Formwork (3) and reinforcement back flute (4). 6. A construction method without plastering for house construction according to claim 1, characterized in that: in said S3, an aluminum alloy formwork (3) is used for reinforcement to form a "one-shaped" pouring model (10) A "line" type cast-in-place wall, the "line" type cast-in-place wall includes a left prefabricated wall (2) and a right prefabricated wall (2), and the left prefabricated wall (2) and the prefabricated wall (2) on the right form a "one-shaped" cast-in-place area, and operate in the following order, the first step: paste double-sided adhesive (21) on the groove of the prefabricated wall (2) ) to prevent grout leakage; second step: install aluminum alloy templates (3) on the surface and back of the "one-shaped" cast-in-place area respectively, and the back of the aluminum alloy template (3) is provided with a reinforced back corrugated (4); third Step 1: Use the screw (6) to pass through the reinforcement back (4) to lock the surface of the "one-shaped" cast-in-place area and the aluminum alloy formwork (3) on the back; the fourth step: to the "one-shaped" cast-in-place Concrete is poured in the area until the prefabricated wall (2) and the "one-shaped" cast-in-place area are bonded together, and finally the aluminum alloy formwork (3) and the reinforced back corrugated (4) are disassembled. 7. According to claim 1, a construction method without plastering for house construction is characterized in that: in said S3, an aluminum alloy formwork (3) is used for reinforcement to form a floating platform watering model (17) to obtain a floating platform. Pouring the wall, the first step: Cooperate the aluminum alloy formwork (3) and the prefabricated floating platform (16) to enclose the floating platform cast-in-place area, set a reinforced back corrugated (4) on the back of the aluminum alloy formwork (3), and use screw (6) Lock the aluminum alloy template (3) through the reinforced back flute (4); the second step: add diagonal braces (7), one end of the diagonal braces (7) is connected to the reinforced back flute (4), and the diagonal braces (7) ) against the ground; the third step: pour concrete into the cast-in-place area of the floating platform until the cast-in-place area of the floating platform and the prefabricated floating platform (16) and the wall are bonded together, and finally disassemble the aluminum alloy formwork ( 3) and a reinforced back flute (4), the reinforced back flute (4) is arranged in parallel along the side of the prefabricated floating platform (16) to form a right-angle anchor and is fixed by a cable-stayed screw rod (6), the reinforced back flute A square pad (14) is provided between the flute (4) and the prefabricated floating platform (16). The prefabricated floating platform (16) is evenly pre-embedded with steel gaskets and bolt holes (15) and two adjacent The interval c between them is 600mm-800mm. 8. According to claim 1, a kind of house construction construction method without plastering is characterized in that: in said S4, the aluminum alloy formwork (3) is used to make the floor slab (9), the first step: using cast-in-place wall and the prefabricated wall (2) to form an operation platform; the second step: set an aluminum alloy formwork (3) on the top of the inner and outer walls around the operation platform, and the back of the aluminum alloy formwork (3) is provided with a reinforced back corrugated (4), using The screw (6) passes through the reinforced back corrugated (4) to lock the aluminum alloy formwork (3) on the outer wall and inner wall of the operation platform, and the aluminum alloy formwork (4) on the top of the operation platform encloses the installation area; the third step: in the operation The inner cavity of the platform is located at the bottom of the installation area and is provided with a main keel (13) supported by a laminated floor slab and a "well-shaped" auxiliary keel (12); the fourth step: laying the laminated floor slab (11), the laminated floor slab (11) Reserve a cast-in-place area between them; Step 5: pour concrete on the laminated floor (11) until the laminated floor (11), the cast-in-place area and the wall are bonded together, and finally disassemble the aluminum alloy formwork (3) and reinforced back flute (4). 9. According to any one of claims 1 to 8, a plaster-free construction method for house construction is characterized in that: the aluminum alloy formwork (3) on the outside can be replaced with a thermal insulation board (18) and a PCF board ( 19). 10. A plaster-free construction method for house construction according to any one of claims 4 to 6, characterized in that: the prefabricated laminated floor (11) is embedded in the cast-in-place area (5) and the embedded distance is b The distance a between the prefabricated laminated floor slab (11) and the end of the cast-in-place area (5) is 15mm-25mm.

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