CN115354751A

CN115354751A - Plastering-free building method for building construction

Info

Publication number: CN115354751A
Application number: CN202210855496.5A
Authority: CN
Inventors: 袁文亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-18

Abstract

The invention discloses a plastering-free building method for building construction, belonging to the technical field of building construction, and the building construction method comprises the following steps of S1: prefabricating a PC component in a factory; s2: matching the prefabricated PC component with an aluminum alloy template to form a cast-in-place area; s3: pouring each wall model; s4: and (5) building an operation platform. The invention has the advantages that: according to the invention, the components which are complex, difficult to reinforce, poor in forming effect and small in pouring amount and have light dead weight are prefabricated in a factory, so that the in-situ pouring difficulty is reduced, the construction quality and efficiency are improved, the large trend of national assembly type building development is met, the environment is protected, and a large number of in-situ construction workers are saved; the invention adopts the combination of the aluminum alloy template and the PC component, the aluminum alloy template is a novel template with high turnover and sustainable utilization, and can play a good forming effect in the pouring of components such as wall columns, floor slabs and the like, and the construction process of the aluminum alloy template and the PC component is used for prefabricating and assembling construction of complex components.

Description

Plastering-free building method for building construction

Technical Field

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

Background

The assembly type building mode is a great trend of the national building industry development, the application area of the template can be greatly reduced by prefabricating the complex components, and the concrete forming effect is improved. The existing PC fabricated building is constructed by adopting wood formers for the rest parts under the condition of meeting the prefabrication rate and the assembly rate, and the PC member is hoisted and finally concrete is poured by combining the traditional wood former reinforcing mode. In the technical scheme, the PC component and the traditional wood model are used for reinforcing the cast-in-place construction process, the node reinforcement at the joint of the PC component and the cast-in-place is difficult to process, the using area of the wood model is reduced, the unit price is greatly improved, the cost is increased, the difference between the molding quality of the wood model and the molding quality of the PC component is large, the requirement of a plastering-free process is difficult to achieve, in addition, the wood model construction needs mechanical cooperation, and the installation efficiency of the PC component is reduced.

Disclosure of Invention

The invention aims to solve the technical problems that the node of the joint of a PC member and a cast-in-place is difficult to reinforce and the construction cost is high in the conventional construction method, and provides a plastering-free building construction method for building construction, which reduces the use amount of an aluminum mould and the mechanical utilization rate, reduces the reinforcing difficulty of an aluminum alloy template and improves the construction efficiency.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a plastering-free building method for house construction comprises the following steps,

s1: prefabricating PC components in a factory, namely prefabricating PC components which meet the dimensional requirements of a drawing according to a factory prefabricating mode for a floating platform, a balcony, a stair, a laminated floor slab and a wall according to a house design drawing, wherein the PC components comprise a prefabricated wall, a prefabricated laminated floor slab, a prefabricated floating platform and a prefabricated stair;

s2: the method comprises the following steps that a prefabricated PC component is matched with an aluminum alloy template to form a cast-in-place area, the PC component and the aluminum alloy template are fixed through a straight pull screw, a reinforcing back ridge is arranged on the aluminum alloy template, the cast-in-place area comprises a T-shaped cast-in-place area, an L-shaped cast-in-place area, a straight-line-shaped cast-in-place area and a floating platform cast-in-place area, and the aluminum alloy template comprises a straight-line-shaped aluminum alloy template and an L-shaped aluminum alloy template;

s3: pouring each wall model, respectively preparing a T-shaped pouring model, an L-shaped pouring model, a straight-line-shaped pouring model and a floating platform pouring model by using aluminum alloy templates, and finally respectively pouring concrete into the T-shaped pouring model, the L-shaped pouring model, the straight-line-shaped pouring model and the floating platform pouring model to prepare a T-shaped cast-in-place wall body, an L-shaped column cast-in-place wall body, a straight-line-shaped cast-in-place wall body and a floating platform cast-in-place wall body, wherein the lengths of the T-shaped cast-in-place wall body and the L-shaped cast-in-place wall body are more than 350 mm, the L-shaped cast-in-place wall body is additionally provided with an inclined strut, one end of the inclined strut abuts against a reinforced back ridge, the other end of the inclined strut abuts against the bottom surface and is used for supporting the wall body, the length of the straight-line-shaped cast-in-place wall body is more than 600mm, and the inclined strut is additionally provided with one end of the reinforced back ridge and the other end of the inclined strut abuts against the bottom surface and is used for supporting the wall body;

s4: building an operation platform, enclosing the manufactured T-shaped cast-in-place wall body, the manufactured L-shaped cast-in-place wall body and the manufactured linear cast-in-place wall body into the operation platform, building an installation area at the top of the operation platform, then pouring concrete on the installation area to form a floor slab, wherein the installation area is formed by placing a prefabricated composite floor slab on the top of the operation platform, when the prefabricated composite floor slab and a composite floor slab support are matched and set, a main keel supported by the composite floor slab is arranged in parallel to a long edge of a room or arranged according to a short edge of the room without a post-pouring zone or with a smaller length and width dimension of the composite floor slab, cross-shaped auxiliary keels are arranged from two sides of the main keel to a wall end, and the prefabricated composite floor slab is laid on the cross-shaped auxiliary keels.

By adopting the steps, the complex, difficult to reinforce, poor in forming effect and small in pouring amount, the components with light dead weight are prefabricated in factories, the in-situ pouring difficulty is reduced, the working efficiency is improved, then the aluminum alloy template and the PC component are matched or the PCF template and the PC component are matched, concrete is poured to form a windowsill cast-in-situ wall body, a T-shaped cast-in-situ wall body, an L-shaped cast-in-situ wall body and a straight-line-shaped cast-in-situ wall body, a laminated slab installation area is built at the top of an operation platform by utilizing the aluminum alloy template, the laminated slab is placed in the laminated slab installation area, then the concrete is poured to form a floor slab, the construction is simple, the construction time is shortened, the aluminum alloy template is a novel template system with high turnover and sustainable utilization, the carrying is convenient, the surface of the wall body is flat after the aluminum alloy is disassembled, and the plastering-free effect is achieved.

As an improvement, the installation area in S4 is constructed by utilizing the aluminum alloy template and the prefabricated composite floor slab to be matched at the top of the operation platform.

In the improvement, the end part and two sides of the PC component in the S1 are respectively provided with a rabbet, a slurry overflow area is formed in the rabbet and the aluminum alloy template, and one end of the rabbet, which is far away from the end part of the PC component, is provided with a double faced adhesive tape which is respectively adhered to the side walls of the PC component and the aluminum alloy template.

As an improvement, in S3, an aluminum alloy formwork is adopted to reinforce and form a T-shaped cast-in-place wall body to manufacture a T-shaped cast-in-place wall body, the T-shaped cast-in-place wall body includes an upper prefabricated wall body, a left prefabricated wall body and a right prefabricated wall body, the upper prefabricated wall body, the left prefabricated wall body and the right prefabricated wall body enclose a T-shaped cast-in-place area, and the following operations are sequentially performed, namely, a first step: pasting double-faced adhesive tape at the groove and tongue of the prefabricated wall body to prevent slurry leakage; the second step is that: installing aluminum alloy templates on two sides of the T-shaped cast-in-place area, arranging reinforcing back ridges on the back surfaces of the aluminum alloy templates, and locking the aluminum alloy templates on the two sides by adopting a screw rod to penetrate through the reinforcing back ridges; a third step; and pouring concrete into the T-shaped cast-in-place area until the prefabricated wall body and the T-shaped cast-in-place area are bonded together, and finally, disassembling the aluminum alloy template and reinforcing the back edge.

As an improvement, in S3, an aluminum alloy formwork is used for reinforcement to form an L-shaped cast-in-place wall body, so as to manufacture an L-shaped cast-in-place wall body, the L-shaped cast-in-place wall body includes an upper prefabricated wall body and a lower prefabricated wall body, the upper prefabricated wall body and the lower prefabricated wall body enclose an L-shaped cast-in-place area, and the first step is performed according to the following sequence: pasting double-faced adhesive tape at the groove and tongue of the prefabricated wall body to prevent slurry leakage; the second step is that: respectively installing aluminum alloy templates on two sides of the L-shaped cast-in-place area; the third step: install additional at the back of aluminum alloy template and consolidate the back of the body stupefied, adopt the screw rod to pass and consolidate the stupefied aluminum alloy template locking in with the cast-in-place region of L type, the fourth step: and pouring concrete into the L-shaped cast-in-place area until the prefabricated wall body and the L-shaped cast-in-place area are bonded together, and finally disassembling the aluminum alloy template and reinforcing the back ridge.

As an improvement, in S3, an aluminum alloy formwork is used for reinforcement to form a "straight" type pouring model to manufacture a "straight" type cast-in-place wall body, the "straight" type cast-in-place wall body includes a left prefabricated wall body and a right prefabricated wall body, the left prefabricated wall body and the right prefabricated wall body enclose a "straight" type cast-in-place area, and the first step is performed according to the following sequence: pasting double-faced adhesive tape at the groove and tongue of the prefabricated wall body to prevent slurry leakage; the second step: respectively installing aluminum alloy templates on the surface and the back of the linear cast-in-place area, and arranging reinforcing back edges on the back of the aluminum alloy templates; the third step: adopting a screw to pass through the reinforced back ridge to lock the aluminum alloy templates on the surface and the back of the in-line cast-in-place area; the fourth step: and pouring concrete into the linear cast-in-place area until the prefabricated wall body is bonded with the linear cast-in-place area, and finally, disassembling the aluminum alloy template and reinforcing the back beam.

As an improvement, in S3, an aluminum alloy formwork is adopted to reinforce and form a floating platform pouring model to manufacture a floating platform cast-in-place wall body, the first step is as follows: the aluminum alloy template and the prefabricated floating platform are matched to enclose a floating platform cast-in-place area, a reinforcing back edge is arranged on the back of the aluminum alloy template, and the aluminum alloy template is locked by a screw penetrating through the reinforcing back edge; the second step: an inclined strut is additionally arranged, one end of the inclined strut is connected with the reinforcing back edge, and the other end of the inclined strut abuts against the ground; the third step: toward casting concrete in the cast-in-place region of platform that wafts, it is in the same place with prefabricated platform, the wall body bonding of wafing to waft the cast-in-place region of platform, dismantles aluminum alloy template and reinforcement back of the body stupefied at last, it forms the right angle ground tackle and adopts the screw rod of drawing to one side to fix to consolidate the stupefied side of the body along the prefabricated platform parallel arrangement that wafts, it is equipped with the square tube pad to consolidate the stupefied and prefabricated between the platform that wafts, the prefabricated platform that wafts in the middle of the interval evenly pre-buried have steel shim and bolt hole and adjacent two between the interval c be 600mm ~ 800mm.

As an improvement, in S4, the floor slab is manufactured by adopting an aluminum alloy template, and the first step is as follows: an operation platform is enclosed by a cast-in-place wall body and a prefabricated wall body; the second step is that: aluminum alloy templates are arranged at the top parts of the inner wall and the outer wall of the periphery of the operation platform, reinforcing back ridges are arranged on the back surfaces of the aluminum alloy templates, screws penetrate through the reinforcing back ridges to lock the aluminum alloy templates on the outer wall and the inner wall of the operation platform, and the aluminum alloy templates on the top parts of the operation platform are surrounded into an installation area; the third step: a main keel and a cross-shaped auxiliary keel which are supported by a laminated floor slab are arranged at the bottom of the installation area in the inner cavity of the operation platform; the fourth step: laying composite floor slabs, and reserving a cast-in-place area between the composite floor slabs; the fifth step: and pouring concrete on the composite floor slab until the composite floor slab, the cast-in-place area and the wall body are bonded together, and finally, disassembling the aluminum alloy template and reinforcing the back edge.

As an improvement, the aluminum alloy template on the outer side can be replaced by a heat preservation plate and a PCF plate.

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

Compared with the prior art, the invention has the advantages that: according to the invention, the components which are complex, difficult to reinforce, poor in forming effect and small in pouring amount and have light dead weight are prefabricated in a factory, so that the in-situ pouring difficulty is reduced, the construction quality and efficiency are improved, the large trend of national assembly type building development is met, the environment is protected, and a large number of in-situ construction workers are saved; the aluminum alloy template and the PC component are combined, the aluminum alloy template is a novel template which has high turnover and can be continuously utilized, a good forming effect can be achieved in the pouring of components such as wall columns and floor slabs, the construction process of the aluminum alloy template and the PC component is used, the complex components are prefabricated and constructed in an assembly mode, the problems that the aluminum alloy templates at positions such as bay windows, stairs, balconies, special-shaped components and the like are difficult to install and reinforce and the forming effect is poor are solved while the application of the template is greatly reduced, the advantages of the bay windows, the stairs, the balconies, the special-shaped components and the like are fully combined, the green building requirement of national assembly type buildings is met, the building forming quality can be guaranteed, and the plastering-free effect is achieved; the aluminum alloy template is provided with the reinforcing back ridge, when the aluminum alloy template is combined with the PC component, the bolt penetrates through the reinforcing back ridge to lock the aluminum alloy template, the assembly strength is improved, the deformation of the wall body is avoided, and the diagonal brace is additionally arranged when the cast-in-place wall body is larger than a millimeter and supports the wall body, so that the deformation of the wall body is avoided, the engineering quality is improved, and the construction efficiency is improved.

The foregoing summary is provided for the purpose of description 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.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a T-shaped cast-in-place wall reinforced by an aluminum alloy template according to the invention.

Fig. 2 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

FIG. 3 is a schematic view of the present invention using an aluminum alloy form to reinforce a T-shaped cast-in-place wall (the cast-in-place wall has a length greater than 350 mm).

Fig. 4 is a schematic sectional view B-B of fig. 3.

FIG. 5 is a schematic view of the invention using an aluminum alloy form to reinforce an L-shaped cast-in-place wall.

Fig. 6 is a schematic cross-sectional view of fig. 5 taken along line C-C.

FIG. 7 is a schematic view of the present invention using an aluminum alloy form to reinforce an L-shaped cast-in-place wall (the cast-in-place wall has a length greater than 350 mm).

Fig. 8 is a schematic cross-sectional view of fig. 7 taken along line D-D.

FIG. 9 is a schematic view of a cast-in-place wall body in a straight shape reinforced by an aluminum alloy template.

Fig. 10 is a schematic view of section E-E of fig. 9.

Fig. 11 is a schematic view of a cast-in-place wall body in a shape like a Chinese character 'yi' reinforced by an aluminum alloy template (the length of the cast-in-place wall body is more than 600 mm).

Fig. 12 is a schematic sectional view F-F of fig. 11.

FIG. 13 is a schematic view of the present invention using an aluminum alloy form to form a floor slab.

Fig. 14 is a sectional view taken along line G-G of fig. 13.

Fig. 15 is a sectional view H-H of fig. 13.

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

FIG. 17 is a schematic view of a cast-in-place wall body for reinforcing a floating platform by using an aluminum alloy template.

Fig. 18 is a sectional view taken along line J-J of fig. 17.

Fig. 19 is a cross-sectional view taken along line K-K of fig. 17.

FIG. 20 is a schematic representation of the present invention using PCF plates in place of the outside aluminum alloy forms.

Fig. 21 is an enlarged schematic view of invention a.

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

As shown in the figure: 1. a T-shaped irrigation model; 2. prefabricating a wall body; 3. an aluminum alloy template; 4. reinforcing the back edge; 5. a cast-in-place area; 6. pulling a screw rod; 7. bracing; 8. an L-shaped irrigation model; 9. a floor slab; 10. a "straight" shaped irrigation model; 11. overlapping the floor slabs; 12. the cross-shaped auxiliary keel; 13. a main keel; 14. a square pad; 15. steel gaskets and bolt holes; 16. prefabricating a floating platform; 17. watering the model by using a floating platform; 18. a thermal insulation board; 19. a PCF board; 20. a tongue-and-groove; 21. and (4) double-sided adhesive tape.

Detailed Description

In the following, only certain 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 description are to be regarded as illustrative in nature, and not as restrictive.

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

Example one

Referring to fig. 1 to 22, a plastering-free construction method for building construction, the construction method comprising the steps of,

s1: prefabricating PC components in a factory, namely prefabricating PC components meeting the dimensional requirements of a drawing by adopting a factory prefabricating mode for the floating platform, the balcony, the stairs, the laminated floor slab and the wall according to a house design drawing, wherein the PC components comprise a prefabricated wall body 2, a prefabricated laminated floor slab 11, a prefabricated floating platform 16 and a prefabricated stair;

s2: the prefabricated PC component is matched with the aluminum alloy template 3 to form a cast-in-place area 5, the PC component and the aluminum alloy template 3 are fixed through a straight pull screw 6, a reinforcing back ridge 4 is arranged on the aluminum alloy template 3, the cast-in-place area 5 comprises a T-shaped cast-in-place area, an L-shaped cast-in-place area, a straight-line-shaped cast-in-place area and a floating platform cast-in-place area, the aluminum alloy template 3 comprises a straight-line-shaped aluminum alloy template and an L-shaped aluminum alloy template, and the L-shaped aluminum alloy template is integrally formed;

s3: pouring each wall model, respectively manufacturing a T-shaped pouring model 1, an L-shaped pouring model 8, a straight-line-shaped pouring model 10 and a floating platform pouring model 17 by using an aluminum alloy template 3, and finally respectively pouring concrete into the T-shaped pouring model 1, the L-shaped pouring model 8, the straight-line-shaped pouring model 10 and the floating platform pouring model 17 to manufacture a T-shaped cast-in-place wall body, an L-shaped column embodiment pouring wall body, a straight-line-shaped cast-in-place wall body and a floating platform cast-in-place wall body, wherein the lengths of the T-shaped cast-in-place wall body and the L-shaped cast-in-place wall body are more than 350 mm, the L-shaped cast-in-place wall body is additionally provided with an inclined strut 7, one end of the inclined strut 7 is abutted against the reinforcing back ridge 4, the other end of the inclined strut 7 is abutted against the bottom surface for supporting the wall body, avoiding the situations of deformation of the wall body and the like and improving the engineering quality;

s4: constructing an operation platform, enclosing the T-shaped cast-in-place wall body, the L-shaped cast-in-place wall body and the straight-line-shaped cast-in-place wall body which are prepared into the operation platform, constructing an installation area on the top of the operation platform, then pouring concrete on the installation area to form a floor slab 9, wherein the installation area is formed by placing a prefabricated composite floor slab 11 on the top of the operation platform, when the prefabricated composite floor slab 11 and a composite floor slab support are matched and set, a main keel 13 supported by the composite floor slab is arranged in a manner of being parallel to a long side of a room or in a manner of being without a post-pouring zone or being smaller in length and width according to a short side of the room, cross-shaped auxiliary keels 12 are arranged from two sides of the main keel 13 to a wall end, the prefabricated composite floor slab 11 is laid on the cross-shaped auxiliary keels 12, the support distance of the composite floor slab is smaller than or equal to 950mm from the wall end and the beam end, the support distance is smaller than or equal to 1200mm, when an internal corner is not supported by a template or a side wall, the support distance is smaller than 650mm, and temporary support is increased if the external corner is exceeded.

And the installation area in the S4 is formed by utilizing the aluminum alloy template 3 and the prefabricated composite floor slab 11 to be matched and built at the top of the operation platform.

In the S1, the end part and the two sides of the PC component are respectively provided with a rabbet 20, a slurry overflow area is formed between the rabbet 20 and the aluminum alloy template 3, and one end of the rabbet 20, which is far away from the end part of the PC component, is provided with a double-faced adhesive tape 21 which is respectively adhered to the PC component and the side wall of the aluminum alloy template 3.

With reference to fig. 1 to 4, an aluminum alloy formwork 3 is used for reinforcement to form a T-shaped cast-in-place wall body 1, and the T-shaped cast-in-place wall body is manufactured, wherein the T-shaped cast-in-place wall body 1 comprises an upper prefabricated wall body 2, a left prefabricated wall body 2 and a right prefabricated wall body 2, the upper prefabricated wall body 2, the left prefabricated wall body 2 and the right prefabricated wall body 2 enclose a T-shaped cast-in-place area, and the steps are as follows: sticking a double-sided adhesive tape 21 at the rabbet 20 of the prefabricated wall body 2 to prevent slurry leakage; the second step is that: aluminum alloy templates 3 are arranged on two sides of the T-shaped cast-in-place area, reinforcing back edges 4 are arranged on the back surfaces of the aluminum alloy templates 3, and screws penetrate through the reinforcing back edges 4 to lock the aluminum alloy templates 3 on the two sides; a third step; and pouring concrete into the T-shaped cast-in-place area until the prefabricated wall body 2 and the T-shaped cast-in-place area are bonded together, and finally detaching the aluminum alloy template 3 and the reinforcing back edge 4. The double faced adhesive tape 21 is adhered to the rabbet 20 of the prefabricated wall body 2 to prevent slurry leakage, so that slurry is prevented from leaking out when concrete is poured, the sealing performance is better, the aluminum alloy template 3 is arranged on the cast-in-place area 5, the reinforcing back ridge 4 is arranged on the back surface of the aluminum alloy template 3, the screw 6 penetrates through the reinforcing back ridge 4 to lock the aluminum alloy template 3 to form a pouring space, concrete is poured into the T-shaped cast-in-place area until the prefabricated wall body 2 and the T-shaped cast-in-place area are bonded together, finally the aluminum alloy template 3 and the reinforcing back ridge 4 are disassembled, the surface of the T-shaped cast-in-place area is smooth, and the plastering-free effect is achieved.

With reference to fig. 5 to 8, an aluminum alloy formwork 3 is used for reinforcement to form an L-shaped cast-in-place wall 8, and the L-shaped cast-in-place wall is manufactured, wherein the L-shaped cast-in-place wall 8 includes an upper prefabricated wall 2 and a lower prefabricated wall 2, the upper prefabricated wall 2 and the lower prefabricated wall 2 enclose an L-shaped cast-in-place area, and the first step is performed in the following sequence: sticking a double-sided adhesive tape 21 at the rabbet of the prefabricated wall body 2 to prevent slurry leakage; the second step is that: aluminum alloy templates 3 are respectively arranged on two sides of the L-shaped cast-in-place area; the third step: install reinforcing back of the body stupefied 4 additional at the back of aluminum alloy template 3, adopt screw rod 6 to pass reinforcing back of the body stupefied 4 with the locking of aluminum alloy template 3 in the cast-in-place region of L type, the outside, the fourth step: and pouring concrete into the L-shaped cast-in-place area until the prefabricated wall body 2 and the L-shaped cast-in-place area are bonded together, and finally disassembling the aluminum alloy template 3 and the reinforcing back ridge 4.

With reference to fig. 9 to 12, an aluminum alloy formwork 3 is used for reinforcement to form a "straight" type cast-in-place model 10, so as to manufacture a "straight" type cast-in-place wall body, the "straight" type cast-in-place wall body comprises a left prefabricated wall body 2 and a right prefabricated wall body 2, the left prefabricated wall body 2 and the right prefabricated wall body 2 enclose a "straight" type cast-in-place area, and the following steps are performed in the following sequence: pasting a double-faced adhesive tape 21 at the groove of the prefabricated wall body 2 to prevent slurry leakage; the second step is that: the surface and the back of the in-line cast-in-place area are respectively provided with an aluminum alloy template 3, and the back of the aluminum alloy template 3 is provided with a reinforcing back edge 4; the third step: adopting a screw rod 6 to penetrate through the reinforced back ridge 4 to lock the aluminum alloy template 3 on the surface and the back of the in-line cast-in-place area; the fourth step: and pouring concrete into the linear cast-in-place area until the prefabricated wall body 2 is bonded with the linear cast-in-place area, and finally detaching the aluminum alloy template 3 and the reinforcing back edge 4.

With reference to fig. 13 to 16, the floor slab 9 is manufactured by using the aluminum alloy formwork 3, and the first step is as follows: an operation platform is enclosed by the cast-in-place wall body and the prefabricated wall body 2; the second step: arranging aluminum alloy templates 3 at the top parts of the inner wall and the outer wall of the periphery of the operating platform, arranging reinforcing back ridges 4 on the back surfaces of the aluminum alloy templates 3, adopting a screw 6 to penetrate through the reinforcing back ridges 4 to lock the aluminum alloy templates 3 on the outer wall and the inner wall of the operating platform, and enclosing the aluminum alloy templates 4 on the top part of the operating platform into an installation area; the third step: a main keel 13 and a cross-shaped auxiliary keel 12 which are supported by a composite floor slab are arranged at the bottom of the installation area of the inner cavity of the operation platform; the fourth step: laying composite floor slabs 11, and reserving a cast-in-place area between the composite floor slabs 11; the fifth step: and pouring concrete on the composite floor slab 11 until the composite floor slab 11, the cast-in-place area and the wall body are bonded together, and finally disassembling the aluminum alloy template 3 and the reinforcing back edge 4.

With reference to fig. 17 to 19, the aluminum alloy formwork 3 is reinforced to form a floating platform pouring model 17, and a floating platform cast-in-place wall body is manufactured, the first step is as follows: the aluminum alloy template 3 and the prefabricated floating platform 16 are matched to enclose a floating platform cast-in-place area, a reinforcing back edge 4 is arranged on the back surface of the aluminum alloy template 3, and the aluminum alloy template 3 is locked by a screw 6 penetrating through the reinforcing back edge 4; the second step is that: an inclined strut 7 is additionally arranged, one end of the inclined strut 7 is connected with the reinforced back edge 4, and the other end of the inclined strut 7 abuts against the ground; the third step: pouring concrete into the cast-in-place area of the floating platform until the cast-in-place area of the floating platform, the prefabricated floating platform 16 and the wall body are bonded together, finally, disassembling the aluminum alloy template 3 and reinforcing the back of the body arris 4, wherein the reinforcing back of the body arris 4 is arranged in parallel along the side edge of the prefabricated floating platform 16 to form a right-angle anchorage and is fixed by adopting a screw 6 which is obliquely pulled, a square through pad 14 is arranged between the reinforcing back of the body arris 4 and the prefabricated floating platform 16, a steel gasket and a bolt hole 15 are uniformly pre-embedded in the middle of the prefabricated floating platform 16, and the interval c between two adjacent floating platforms is 600mm.

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

And in the design of a prefabricated floating platform, the P plate and the C groove should extend by 50mm to prevent slurry leakage.

Example two

If the construction method is used in the north, the aluminum alloy template 3 can be replaced by the combination of the heat insulation plate 18 and the PCF plate 19 on the outer side of the cast-in-place area 5, the heat insulation plate 18 is arranged on the inner side, the PCF plate 19 is arranged on the outer side, and the rest structures are the same as the first embodiment.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A plastering-free building method for house construction is characterized in that: the construction and building method comprises the following steps,

s1: the method comprises the following steps of prefabricating PC components in a factory, namely prefabricating PC components which meet the dimensional requirements of a drawing according to a house design drawing by adopting a factory prefabricating mode for a floating platform, a balcony, a stair, a laminated floor slab and a wall body, wherein the PC components comprise a prefabricated wall body (2), a prefabricated laminated floor slab (11), a prefabricated floating platform (16) and a prefabricated stair;

s2: the method comprises the following steps that a prefabricated PC component is matched with an aluminum alloy template (3) to form a cast-in-place area (5), the PC component and the aluminum alloy template (3) are fixed through a straight pull screw (6), a reinforcing back edge (4) is arranged on the aluminum alloy template (3), the cast-in-place area (5) comprises a T-shaped cast-in-place area, an L-shaped cast-in-place area, a straight-line-shaped cast-in-place area and a floating platform cast-in-place area, and the aluminum alloy template (3) comprises a straight-line-shaped aluminum alloy template and an L-shaped aluminum alloy template;

s3: pouring each wall model, respectively preparing a T-shaped pouring model (1), an L-shaped pouring model (8), a straight-line-shaped pouring model (10) and a floating platform pouring model (17) by using an aluminum alloy template (3), and finally respectively pouring concrete into the T-shaped pouring model (1), the L-shaped pouring model (8), the straight-line-shaped pouring model (10) and the floating platform pouring model (17) to prepare a T-shaped cast-in-place wall body, an L-shaped column embodiment pouring wall body, a straight-line-shaped cast-in-place wall body and a floating platform cast-in-place wall body, wherein the lengths of the T-shaped cast-in-place wall body and the L-shaped cast-in-place wall body are more than 350 mm, the L-shaped cast-in-place wall body is additionally provided with an inclined strut (7), one end of the inclined strut (7) abuts against the reinforcing back ridge (4), the other end of the inclined strut (7) abuts against the bottom surface for bearing the wall body, the length of the straight-line-shaped wall body is more than 600mm, and the inclined strut (7) is additionally provided for bearing the cast-in-place wall body;

s4: the method comprises the steps of building an operation platform, enclosing the manufactured T-shaped cast-in-place wall body, the manufactured L-shaped cast-in-place wall body and the manufactured I-shaped cast-in-place wall body into the operation platform, building a mounting area on the top of the operation platform, then pouring concrete on the mounting area to form a floor slab (9), placing a prefabricated composite floor slab (11) on the top of the operation platform to build the mounting area, when the prefabricated composite floor slab (11) and the composite floor slab are matched and set, arranging a main keel (13) supported by the composite floor slab in a mode of being parallel to a long edge of a room or in a mode of being free of a post-pouring zone or being small in length and width dimension of the composite floor slab in a mode of being arranged according to a short edge of the room, arranging I-shaped auxiliary keels (12) from two sides of the main keel (13) to a wall end, and laying the prefabricated composite floor slab (11) on the I-shaped auxiliary keels (12).

2. The plastering-free building method for house construction according to claim 1, wherein: and the mounting area in the S4 is formed by utilizing the aluminum alloy template (3) and the prefabricated composite floor slab (11) to be matched and built at the top of the operation platform.

3. The plastering-free building method for house construction according to claim 1, wherein: and in the S1, the end part and the two sides of the PC component are respectively provided with a rabbet (20), a slurry overflow area is formed between the rabbet (20) and the aluminum alloy template (3), and one end of the slurry overflow area, which is far away from the end part of the PC component, in the rabbet (20) is provided with a double faced adhesive tape (21) which is respectively adhered to the PC component and the side wall of the aluminum alloy template (3).

4. The plastering-free building method for house construction according to claim 1, wherein: in the S3, an aluminum alloy template (3) is adopted to reinforce to form a T-shaped pouring model (1) to manufacture a T-shaped cast-in-place wall body, the T-shaped pouring model (1) comprises a prefabricated wall body (2) above, a prefabricated wall body (2) on the left side and a prefabricated wall body (2) on the right side, the prefabricated wall body (2) above, the prefabricated wall body (2) on the left side and the prefabricated wall body (2) on the right side enclose a T-shaped cast-in-place area, and the operation is carried out according to the following sequence: a double-sided adhesive tape (21) is stuck at the rabbet (20) of the prefabricated wall body (2) to prevent slurry leakage; the second step is that: aluminum alloy templates (3) are installed on two sides of a T-shaped cast-in-place area, reinforcing back edges (4) are arranged on the back surfaces of the aluminum alloy templates (3), and screws penetrate through the reinforcing back edges (4) to lock the aluminum alloy templates (3) on the two sides; a third step; and pouring concrete into the T-shaped cast-in-place area until the prefabricated wall body (2) is bonded with the T-shaped cast-in-place area, and finally disassembling the aluminum alloy template (3) and the reinforcing back ridge (4).

5. The plastering-free building method for house construction according to claim 1, wherein: in the S3, an aluminum alloy template (3) is adopted to be reinforced to form an L-shaped pouring model (8) to manufacture an L-shaped cast-in-place wall body, the L-shaped pouring model (8) comprises an upper prefabricated wall body (2) and a lower prefabricated wall body (2), the upper prefabricated wall body (2) and the lower prefabricated wall body (2) enclose an L-shaped cast-in-place area, and the steps are as follows: double-sided adhesive (21) is stuck at the rabbet of the prefabricated wall body (2) to prevent slurry leakage; the second step is that: aluminum alloy templates (3) are respectively installed on two sides of the L-shaped cast-in-place area; the third step: install reinforcing back of the body stupefied (4) additional at the back of aluminum alloy template (3), adopt screw rod (6) to pass reinforcing back of the body stupefied (4) with the interior aluminum alloy template (3) locking in the outside of the cast-in-place region of L type, the fourth step: and pouring concrete into the L-shaped cast-in-place area until the prefabricated wall body (2) is bonded with the L-shaped cast-in-place area, and finally, disassembling the aluminum alloy template (3) and the reinforcing back edge (4).

6. The plastering-free building method for house construction according to claim 1, wherein: in the S3, an aluminum alloy template (3) is adopted to be reinforced to form a straight-line-shaped pouring model (10) to manufacture a straight-line-shaped cast-in-place wall body, the straight-line-shaped cast-in-place wall body comprises a left prefabricated wall body (2) and a right prefabricated wall body (2), the left prefabricated wall body (2) and the right prefabricated wall body (2) enclose a straight-line-shaped cast-in-place area, and the steps are as follows: double-sided adhesive (21) is stuck at the rabbet of the prefabricated wall body (2) to prevent slurry leakage; the second step: the surface and the back of the straight-line-shaped cast-in-place area are respectively provided with an aluminum alloy template (3), and the back of the aluminum alloy template (3) is provided with a reinforcing back edge (4); the third step: a screw (6) is adopted to penetrate through the reinforced back ridge (4) to lock the aluminum alloy templates (3) on the surface and the back of the in-situ linear region; the fourth step: and pouring concrete into the linear cast-in-place area until the prefabricated wall body (2) is bonded with the linear cast-in-place area, and finally disassembling the aluminum alloy template (3) and the reinforcing back ridge (4).

7. The plastering-free building method for house construction according to claim 1, wherein: in S3, adopt aluminum alloy template (3) to consolidate and form platform watering model (17) and make platform cast-in-place wall that wafts, first step: the method comprises the following steps that an aluminum alloy template (3) and a prefabricated floating platform (16) are matched to enclose a floating platform cast-in-situ area, a reinforcing back edge (4) is arranged on the back of the aluminum alloy template (3), and a screw (6) penetrates through the reinforcing back edge (4) to lock the aluminum alloy template (3); the second step: an inclined strut (7) is additionally arranged, one end of the inclined strut (7) is connected with the reinforcing back ridge (4), and the other end of the inclined strut (7) abuts against the ground; the third step: pouring concrete in the cast-in-place region of platform toward wafting, it is in the same place to waft the cast-in-place region of platform and prefabricated platform (16), wall body bonding of wafing, dismantles aluminum alloy template (3) and consolidate the stupefied (4) of the back of the body at last, consolidate stupefied (4) of the back of the body and form right angle ground tackle and adopt screw rod (6) to draw to one side along the prefabricated side parallel arrangement who wafts platform (16) and fix, consolidate stupefied (4) of the back of the body and prefabricated waft and be equipped with square tube pad (14) between platform (16), the prefabricated stand of wafing (16) middle separation is evenly pre-buried to have steel gasket and bolt hole (15) and interval c between two adjacent to be 600mm ~ 800mm.

8. The plastering-free building method for house construction according to claim 1, wherein: in S4, adopt aluminum alloy template (3) preparation floor (9), first step: an operation platform is enclosed by the cast-in-place wall body and the prefabricated wall body (2); the second step is that: aluminum alloy templates (3) are arranged at the top parts of the inner wall and the outer wall of the periphery of the operating platform, reinforcing back ridges (4) are arranged on the back surfaces of the aluminum alloy templates (3), screw rods (6) penetrate through the reinforcing back ridges (4) to lock the aluminum alloy templates (3) on the outer wall and the inner wall of the operating platform, and the aluminum alloy templates (4) on the top parts of the operating platform are enclosed into an installation area; the third step: a main keel (13) supported by a laminated floor slab and a cross-shaped auxiliary keel (12) are arranged at the bottom of the installation area of the inner cavity of the operation platform; the fourth step: laying composite floor slabs (11), and reserving a cast-in-place area between the composite floor slabs (11); the fifth step: and pouring concrete on the composite floor slab (11) until the composite floor slab (11), the cast-in-place area and the wall body are bonded together, and finally disassembling the aluminum alloy template (3) and reinforcing the back ridge (4).

9. The building construction plastering-free building method according to any one of claims 1 to 8, wherein: the aluminum alloy template (3) on the outer side can be replaced by a heat insulation plate (18) and a PCF plate (19).

10. The plastering-free building construction method for building construction according to any one of claims 4 to 6, wherein: the prefabricated composite floor slab (11) is embedded into the cast-in-place area (5) with an embedding distance b of 5-15 mm, and the distance a between the prefabricated composite floor slab (11) and the end part of the cast-in-place area (5) is 15-25 mm.