CN111827665A

CN111827665A - Construction method for prefabricated toilet floor slab

Info

Publication number: CN111827665A
Application number: CN202010720150.5A
Authority: CN
Inventors: 张继轩; 康昕; 张爱龙; 刘旭亮; 雷水荣; 贺雨彤; 许海峰
Original assignee: Third Construction Co Ltd of China Construction Third Engineering Division
Current assignee: Third Construction Co Ltd of China Construction Third Engineering Division
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2020-10-27

Abstract

The application provides a construction method for a prefabricated toilet floor slab, and relates to the technical field of an assembled toilet. The prefabricated toilet floor construction method comprises the steps of assembling and reinforcing a bottom plate pouring template and an inverted ridge pouring template, arranging floor reinforcing steel bars on the bottom plate pouring template, installing positioning convex columns on the floor reinforcing steel bars, sleeving water stopping joints on the positioning convex columns, pouring concrete to the bottom plate pouring template to form a bottom plate, pouring concrete to the inverted ridge pouring template to form an inverted ridge, and dismantling the bottom plate pouring template and the inverted ridge pouring template. The anti-bank pouring template comprises an anti-bank outer template and an anti-bank inner template, and a plurality of water supply and drainage pipeline pressure groove molds arranged at intervals are arranged on the inner side of the anti-bank inner template. The floor slab reinforcing steel bars are provided with reinforcing steel bar extending parts extending towards the periphery. The bottom plate and the inverted ridge of the toilet floor slab are integrally cast, so that the leakage-proof and seepage-proof performance is better, and the leakage-proof and seepage-proof performance of the toilet floor slab is prevented from being influenced by the cold joint caused by firstly casting the bottom plate and then casting the inverted ridge on the basis of the bottom plate.

Description

Construction method for prefabricated toilet floor slab

Technical Field

The application relates to the technical field of an assembled toilet, in particular to a construction method of a floor slab of a prefabricated toilet.

Background

At present, the toilet has higher requirements on seepage prevention and seepage resistance. The traditional toilet construction method comprises the steps of erecting a template, binding reinforcing steel bars, installing a hanging die and pouring and forming on site, so that the reverse bank of the toilet can be formed on the basis of a bottom plate after the bottom plate is formed, cold joints appear between floors of the toilet to cause leakage, deviation of reserved pipe holes of drainage pipe fittings is difficult to control when the toilet is installed, and the like.

Disclosure of Invention

The embodiment of the application provides a construction method for a prefabricated toilet floor slab, and aims to solve the problems that cold seams are prone to leakage in the existing toilet construction and the positioning of pipelines for installing pipe holes is inaccurate.

The embodiment of the application provides a construction method of a prefabricated toilet floor slab, which comprises the steps of assembling and reinforcing a bottom plate pouring template and a reverse ridge pouring template, arranging floor slab reinforcing steel bars on the bottom plate pouring template, installing positioning convex columns on the floor slab reinforcing steel bars, sleeving water stopping joints on the positioning convex columns, pouring concrete to the bottom plate pouring template to form a bottom plate, pouring concrete to the reverse ridge pouring template to form a reverse ridge, and disassembling the bottom plate pouring template and the reverse ridge pouring template. The anti-bank pouring template comprises an anti-bank outer template and an anti-bank inner template, and a plurality of water supply and drainage pipeline pressure groove molds arranged at intervals are arranged on the inner side of the anti-bank inner template. The floor slab reinforcing steel bars are provided with reinforcing steel bar extending parts extending towards the periphery.

According to the technical scheme, the bottom plate and the inverted ridge of the toilet floor slab are integrally cast, so that the leakage-proof and seepage-proof performance is better, the phenomenon that the leakage-proof and seepage-proof performance of the toilet floor slab is influenced by the cold joint caused by the fact that the bottom plate is cast firstly and the inverted ridge is cast on the basis of the bottom plate after the bottom plate is finished is avoided, and the later maintenance cost can be reduced. And, a plurality of plumbing line indent moulds of inboard interval arrangement of anti-bank inner formword for the anti-bank of pouring shaping corresponds the shaping recess towards one side of anti-bank inner formword, and this recess can be used as installation drain pipe etc. and it is pre-buried once accurate location of plumbing line indent to install, and cooperation reinforcing between the specialty is favorable to advancing each professional integration process, chisels the groove on anti-bank when avoiding the later stage installation drain pipe, causes the destruction to anti-bank structure, influences the leak protection seepage prevention performance and the structural strength of bathroom floor. Through installation location projection on the floor reinforcing bar, stagnant water festival cover is established and can be accurate location on the projection to in advance with stagnant water festival pre-buried on the bottom plate, reduce the later stage and seal up drainage mouth department and cut open the bottom plate, reduce the seepage hidden danger. And the steel bar extension part is convenient for the butt joint of the toilet floor and other floor bottom plates (such as a living room bottom plate, a bedroom bottom plate and the like) so as to ensure the connection with a cast-in-place structure. And, the bathroom is prefabricated in advance, can reduce floor engineering time, is favorable to accelerating the construction progress.

In addition, the construction method of the prefabricated toilet floor slab provided by the embodiment of the application further has the following additional technical characteristics:

in some embodiments of the present application, the prefabricated toilet floor slab construction method further includes arranging an air duct opening template of the prefabricated air duct opening on the bottom plate pouring template, and arranging the floor slab reinforcing steel bars at the periphery of the air duct opening template.

Among the above-mentioned technical scheme, set up the wind channel mouth template of prefabricated wind channel mouth on the template is pour to the bottom plate, pour when the bottom plate and accomplish the back, prefabricate promptly on the bottom plate and form the wind channel mouth, do not need the later stage to cut open the bottom plate and form the wind channel mouth, reduce the seepage risk, reduce the construction degree of difficulty.

In some embodiments of the present application, the method for constructing a prefabricated toilet floor further includes pre-burying the lightning protection grounding structure, and connecting the lightning protection grounding structure to the floor reinforcing steel bars.

Among the above-mentioned technical scheme, before concreting, install lightning grounding structure on the floor reinforcing bar, after concreting, lightning grounding structure is pre-buried in bathroom floor promptly, avoids later stage installation lightning grounding structure to cut into bathroom floor or other shear force walls.

In some embodiments of the present application, the prefabricated toilet floor slab construction method further includes presetting a shear wall pouring template slot on a reverse ridge connected with the shear wall.

Among the above-mentioned technical scheme, the setting of slot is convenient for later stage bathroom floor and cast construction template's of cast-in-place structure (shear force wall, partition wall etc.) of being connected with it build.

In some embodiments of the present application, the anti-ridge exterior form includes a plurality of exterior plates connected in series; assemble and consolidate bottom plate and pour template and anti-bank and pour the template and include: and connecting any two adjacent outer plates through pins and pin sheets.

Among the above-mentioned technical scheme, two planks that arbitrary adjacent are connected through pin and round pin piece and are made the pouring template build with dismantle convenient to the workman is laborsaving when the installation with dismantle anti-bank exterior sheathing.

In some embodiments of the present application, the anti-bank inner template includes a plurality of inner plates connected in sequence; assemble and consolidate bottom plate and pour template and anti-bank and pour the template and include: any two adjacent inner plates are connected by a pin and a pin piece.

Among the above-mentioned technical scheme, two arbitrary adjacent inner panels are connected through pin and round pin piece and are made the template of pouring build with dismantle convenient to the workman is laborsaving when the installation with dismantle anti-bank inner formword.

In some embodiments of the present application, any opposing plate and inner plate are connected by a connector to fix the relative position of any opposing outer plate and inner plate.

Among the above-mentioned technical scheme, through the connecting piece with two relative planks and inner panel connection, can make planks and inner panel bear the lateral force of the concrete between planks and the inner panel, avoid planks and inner panel to take place deformation under the lateral force effect of concrete for anti-bank extending direction's thickness is inhomogeneous.

In some embodiments of the present application, the connector is a U-shaped buckle; after the assembly and reinforcement of the bottom plate pouring template and the reversed bank pouring template are completed, the U-shaped buckles are clamped on the outer side of the outer plate and the outer side of the inner plate which are opposite.

Among the above-mentioned technical scheme, the connecting piece is U type buckle, and its installation is convenient with the dismantlement, and is effectual to the fixed of relative planking and inner panel, and can reuse.

In some embodiments of the present application, the prefabricated toilet floor slab construction method further includes presetting vertical steel bars; connect vertical reinforcement one end in the floor reinforcing bar, the template is pour to the vertical anti-bank that extends of the other end of vertical reinforcement.

Among the above-mentioned technical scheme, predetermine vertical reinforcing bar and be convenient for butt joint such as bathroom floor and shear force wall, partition wall or as the prefabricated bar planting of door frame constructional column, avoid the later stage for building the door frame and in the cast-in-place structural drilling bar planting of pouring shaping.

In some embodiments of the present application, during the process of pouring the concrete into the bottom plate, the bottom plate is reserved with a connection portion for connecting with the cast-in-place structure, and the connection portion is inclined.

Among the above-mentioned technical scheme, the bottom plate that connecting portion slope was handled can increase bathroom floor and the area of contact of other floor's bottom plates (sitting room bottom plate, bedroom bottom plate etc.) or other shear force walls, partition wall etc for it is firm more reliable to connect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a top view of a prefabricated bathroom floor slab formwork casting formwork provided in an embodiment of the present application;

FIG. 2 is a cross-sectional view of a prefabricated toilet floor slab formwork casting formwork provided in an embodiment of the present application;

FIG. 3 is a top view of a formed prefabricated toilet floor;

FIG. 4 is a front view of a formed prefabricated toilet floor;

FIG. 5 is a cross-sectional view of a prefabricated toilet floor slab form casting form in other embodiments;

fig. 6 is a top view of a prefabricated toilet floor with slots on the back sill.

Icon: 10-pouring a template on the bottom plate; 11-a lower template; 12-upper template; 121-an inclined portion; 13-side plate; 14-a bottom plate pouring space; 15-air duct opening template; 20-pouring a template in a reversed ridge mode; 21-reversed bank inner template; 211-inner plate; 212-a water supply and drainage line grooving mold; 22-reverse ridge external template; 221-an outer plate; 222-a bending part; 23-pouring a space with a reversed ridge; 30-floor slab reinforcing steel bars; 31-a rebar extension; 32-positioning convex columns; 33-water stop section; 40-pins; 41-pin piece; 50-a connector; 51-a first connection; 52-a second connection; 53-a third connecting portion; 54-a bolt; 55-a nut; 60-vertical steel bars; 1000-prefabricating a toilet floor; 100-a base plate; 110-air duct openings; 120-reverse ridge slope; 200-reverse bank; 210-a groove; 220-notch; 230-slot; 300-steel mesh.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Examples

The embodiment of the application provides a construction method of a prefabricated bathroom floor slab 1000, and the construction method of the prefabricated bathroom floor slab 1000 comprises the steps of assembling and reinforcing a bottom slab pouring template 10 and an anti-ridge pouring template 20, arranging floor slab reinforcing steel bars 30 on the bottom slab pouring template 10, installing positioning convex columns 32 on the floor slab reinforcing steel bars 30, sleeving water stops 33 on the positioning convex columns 32, pouring concrete to the bottom slab pouring template 10 to form a bottom slab 100, pouring concrete to the anti-ridge pouring template 20 to form an anti-ridge 200, and disassembling the bottom slab pouring template 10 and the anti-ridge pouring template 20. The reverse sill casting formwork 20 comprises a reverse sill outer formwork 22 and a reverse sill inner formwork 21, and a plurality of water supply and drainage pipeline groove pressing molds 212 arranged at intervals are arranged on the inner side of the reverse sill inner formwork 21. The floor slab reinforcing bars 30 have reinforcing bar extensions 31 extending all around.

As shown in fig. 1 and 2, the assembling and reinforcing bottom plate pouring template 10 includes a lower building template 11, an upper building template 12 and a side building plate 13, the upper and lower templates 12 and 11 are connected through the side plate 13, the lower template 11 is located below the upper template 12, and the upper template 12, the lower template 11 and the side plate 13 jointly define a bottom plate pouring space 14 of the bottom plate 100 for pouring the floor slab of the toilet. The floor slab reinforcing steel bars 30 are arranged in the bottom plate pouring space 14, the arrangement of the floor slab reinforcing steel bars 30 can be realized by arranging the floor slab reinforcing steel bars 30 on the lower template 11 after the arrangement of the lower template 11 is finished, arranging the upper template 12 above the floor slab reinforcing steel bars 30, or arranging the upper template 12 and the lower template 11 above and below the floor slab reinforcing steel bars 30 respectively after the arrangement of the floor slab reinforcing steel bars 30 is finished. The floor slab reinforcing steel bars 30 are arranged in a net shape, the bottom slab pouring space 14 extends along the periphery of the bottom slab pouring space 14, the extending reinforcing steel bar extension parts 31 are convenient for butting of the toilet floor slab and other floor slabs (such as a living room bottom slab, a bedroom bottom slab and the like), and when the other floor slabs are poured, the reinforcing steel bar extension parts 31 are poured in concrete of the other floor slabs. Install location projection 32 on floor slab reinforcing bar 30, location projection 32 is vertical extends, and the outside cover of location projection 32 is equipped with stagnant water festival 33, and stagnant water festival 33 is located the below of cope match-plate pattern 12 for after bottom plate 100 pours the completion, stagnant water festival 33 is fixed in on the bottom plate 100 promptly, and the upper surface of stagnant water festival 33 and the lower surface butt of cope match-plate pattern 12, concrete entering stagnant water festival 33 when avoiding pouring. Through installing location projection 32 on floor reinforcing bar 30, stagnant water festival 33 cover is established and can be accurate location on the projection to in advance with stagnant water festival 33 pre-buried on bottom plate 100, reduce the later stage and seal up and cut the bottom plate 100 to the drain outlet department, reduce the seepage hidden danger.

In this embodiment, the construction method of the prefabricated toilet floor 1000 further includes installing a drainage pipeline on the floor slab reinforcing steel bars 30, wherein the drainage pipeline is communicated with the water stop joint 33, and after the bottom plate 100 is poured, the drainage pipeline is pre-buried in the bottom plate 100, so that the drainage pipeline is prevented from being dug and installed in the later period. The number of the water stop sections 33 is set according to actual needs, for example, a wash platform and a toilet are installed in a general toilet, and the wash platform and the toilet can be respectively provided with one water stop section 33.

Assembling and reinforcing the reversed sill casting formwork 20 comprises building a reversed sill inner formwork 21 and a reversed sill outer formwork 22, wherein the lower end of the reversed sill outer formwork 22 and the lower end of the reversed sill inner formwork 21 are both connected to the upper formwork 12 of the bottom plate casting formwork 10, the reversed sill outer formwork 22 and the reversed sill inner formwork 21 jointly define a reversed sill casting space 23, and the reversed sill casting space 23 is communicated with the bottom plate casting space 14. Therefore, the bottom plate 100 and the inverted ridge 200 of the toilet floor can be integrally cast, the anti-leakage and anti-seepage performance is better, and the phenomenon that the anti-leakage and anti-seepage performance of the toilet floor is affected by cold seams caused by the fact that the bottom plate 100 is cast first and the inverted ridge 200 is cast on the basis of the bottom plate 100 after the bottom plate 100 is finished is avoided.

In order to ensure that the poured bottom plate 100 has a joint margin with other floor slabs (living room floor slab, bedroom floor slab, etc.), the reverse sill pouring template 20 is connected to the upper template 12 at a position away from the edge of the upper template 12 by a certain distance, so that the area of the finally poured bottom plate 100 is larger than the area of the city surrounded by the reverse sill 200. Thus, in the process of pouring the concrete into the bottom plate 10, the bottom plate 100 is reserved with a connecting portion for connecting with a cast-in-place structure ((a living room floor, a bedroom floor, etc.)), and in order to increase the contact area between the bottom plate 100 of a bathroom floor and other floor plates (a living room floor, a bedroom floor, etc.) or other shear walls, partition walls, etc. to make the connection more firm and reliable, the connecting portion is inclined, the inclined portion may be provided with an inclined portion 121 on the lower surface of the upper plate 12, so that the bottom plate 100 formed by pouring forms a reversed sill inclined portion 120 at a corresponding position, or the lower surface of the upper plate 12 is a plane, the edge of the bottom plate 100 formed by pouring is inclined, the former inclined portion is adopted in the present embodiment (see fig. 3 and 4), in some embodiments, the inclined portions 121 may be provided on both the lower surface of the upper plate 12 and the upper surface of the lower, the upper surface and the lower surface of the bottom plate 100 which is formed by pouring are correspondingly provided with the anti-ridge inclined part 120, so that the contact area with other cast-in-place structures is further increased.

Because the bottom plate 100 of bathroom floor is as the roof of lower floor bathroom, consider the problem of exhaust ventilation, locate the wind channel mouth template 15 that is used for prefabricated wind channel mouth 110 on bottom plate pouring template 10, after bottom plate 100 pours and accomplishes, prefabricate on the bottom plate 100 and form wind channel mouth 110 promptly, do not need the later stage to cut into bottom plate 100 and form wind channel mouth 110, reduce the seepage risk, reduce the construction degree of difficulty. The air duct opening 110 has a large space, for avoiding safety accidents caused by the arrangement of the air duct opening 110, for example, workers fall from the air duct opening 110, or buildings fall from the air duct opening 110 to lower floors to cause casualties, a steel mesh 300 can be arranged at the air duct opening 110, the steel mesh 300 is arranged on the inner side of the air duct opening template 15, the shaping and protection effect can be achieved on the air duct opening template 15, and after the air duct opening 110 is shaped, the steel mesh 300 is arranged outside the air duct opening 110.

Further, the inner side of the inner die plate 21 of the reverse threshold is provided with a plurality of water supply and drainage pipeline groove dies 212 arranged at intervals, and the inner side of the inner die plate 21 of the reverse threshold refers to one side of the inner die plate 21 of the reverse threshold facing the outer die plate 22 of the reverse threshold, that is, one side of the inner die plate 21 of the reverse threshold located in the pouring space 23 of the reverse threshold. The inner side of the reversed sill inner formwork 21 is provided with a plurality of water supply and drainage pipeline groove pressing molds 212 at intervals, each water supply and drainage pipeline groove pressing mold 212 vertically extends, the water supply and drainage pipeline groove pressing molds 212 are a plurality of protrusions arranged at intervals on the inner side of the reversed sill inner formwork 21, a vertically extending groove 210 is correspondingly formed in one side, facing the reversed sill inner formwork 21, of the poured and formed reversed sill 200, the groove 210 can be used for installing drainage pipes and the like, groove chiseling on the reversed sill 200 during later-period installation of the drainage pipes is avoided, damage to the structure of the reversed sill 200 is avoided, the leakage-proof and seepage-proof performance and structural strength of the prefabricated toilet floor slab 1000 are influenced, and according to the positions and the number of the grooves 210, different numbers of the water supply and drainage pipeline groove pressing molds 212 can be arranged and different positions of the reversed sill inner formwork 21 are provided with the water supply.

Of course, if the reverse threshold 200 needs to be grooved on both sides, a groove pressing mold 212 for water supply and drainage lines may be disposed on the inner side of the reverse threshold outer formwork 22, and correspondingly, a groove 210 is also formed on the other side of the reverse threshold 200 after casting.

Generally, the inverted sill 200 may be a closed bottom plate 100 structure surrounding a city on the bottom plate 100, or may be a strip structure provided on the bottom plate 100, and the form of the inverted sill 200 is designed according to actual needs, and the inverted sill casting form 20 is correspondingly installed. In this embodiment, the inverted sill casting form 20 has a rectangular space with a gap 220 on the upper form 12, and the gap 220 is a reserved entrance and exit of a toilet.

As shown in fig. 2, the reverse sill outer formwork 22 includes a plurality of outer plates 221 connected in sequence; the construction of the inverted ridge exterior formwork 22 includes: any adjacent two outer plates 221 are connected by the pin 40 and the pin piece 41. The anti-bank inner template 21 comprises a plurality of inner plates 211 which are connected in sequence; the construction of the inverted ridge inner template 21 includes: any adjacent two inner plates 211 are connected by a pin 40 and a pin piece 41. Each outer panel 221 has an inner panel 211 disposed opposite thereto. Any two adjacent outer plates 221 are connected through the pins 40 and the pins 41, and any two adjacent inner plates 211 are connected through the pins 40 and the pins 41, so that the pouring formwork is convenient to build and disassemble, and workers can save labor when the anti-threshold outer formwork 22 and the anti-threshold inner formwork 21 are assembled and disassembled. Taking any two adjacent outer plates 221 as an example, in order to facilitate the installation of the pin 40 and the pin piece 41, one end of one of the outer plates 221 has a bent portion 222, the bent portion 222 is vertically connected with the outer plate 221, the bent portion 222 abuts against the outer side of the inner plate 211, the pin 40 sequentially passes through the bent portion 222 and the inner plate 211, and the pin piece 41 is inserted into the insertion hole of the pin 40, so that the installation positions of the pin 40 and the pin piece 41 can be higher than the casting height of the anti-sill 200 in order to avoid the adhesion of the pin 40 and the pin piece 41 with concrete.

Of course, the adjacent outer plates 221 may be connected to each other by other means such as screws or bolts 54, and similarly, the adjacent inner plates 211 may be connected to each other by other means such as screws or bolts 54.

Because the reversed sill 200 has a certain length, the reversed sill casting form 20 also has a considerable length, and after concrete is cast into the reversed sill casting form 20, the concrete generates a lateral force on the outer plate 221 and the inner plate 211 which are oppositely arranged in the width direction of the reversed sill casting form 20, so that the opposite outer plate 221 and the opposite inner plate 211 are deformed in the direction away from each other, and finally, the widths of the formed reversed sill 200 in the length direction are inconsistent. In order to reduce the deformation of the opposing outer and

inner plates

221 and 211, the width of the sill 200 is as uniform as possible at various locations along its length, and any opposing outer and inner plates 211 are connected by a connector 50 to fix the relative positions of any opposing outer and

inner plates

221 and 211.

Optionally, as shown in fig. 1 and 2, the connecting member 50 is a U-shaped buckle; after the construction of the inverted-ridge pouring formwork 20 is completed, the U-shaped clips are arranged on the outer sides of the outer plates 221 and the outer sides of the inner plates 211 which are opposite to each other. The U-shaped buckle is provided with a first connecting part, a second connecting part 52 and a third connecting part 53, the first connecting part 51 and the second connecting part 52 are oppositely arranged, the first connecting part 51 and the second connecting part 52 are connected through the third connecting part 53, when the U-shaped buckle is arranged on the outer plate 221 and the inner plate 211, one side of the first connecting part 51 close to the second connecting part 52 abuts against the outer side of the outer plate 221, one side of the second connecting part 52 close to the first connecting part 51 abuts against the outer side of the inner plate 211, and after the reverse sill 200 is poured, concrete is not adhered to the U-shaped buckle, so that a distance exists between the top of the third connecting part 53 and the outer plate 221 and the top of the inner plate 211. The connecting member 50 is a U-shaped member, which is convenient to mount and dismount, has a good fixing effect to the outer plate 221 and the inner plate 211, which are opposite to each other, and can be repeatedly used.

In other embodiments, the connecting member 50 may have other forms, and a split structure is formed by a bolt 54 and a nut 55, as shown in fig. 5, the bolt 54 may be a stud bolt 54 or a single-head bolt 54, the bolt 54 sequentially passes through the outer plate 221, the inverted-ridge casting space 23, and the inner plate 211 opposite to the outer plate 221, and both ends are locked by the nut 55.

Generally, high-rise all need set up lightning protection ground structure, in this embodiment, before concreting, with lightning protection ground structure installation on floor reinforcing bar 30 to vertical extension anti-bank pours space 23, behind the concreting, lightning protection ground structure is pre-buried in bathroom floor promptly, avoids later stage installation lightning protection ground structure to dig bathroom floor or other shear force walls.

The inverted sill 200 of the prefabricated toilet floor slab 1000 needs to be butted with other cast-in-place structures such as shear walls, partition walls and the like, so that vertical steel bars 60 are preset on the floor slab steel bars 30 before concrete is poured into the bottom slab pouring space 14 and the inverted sill pouring space 23, one ends of the vertical steel bars 60 are connected to the floor slab steel bars 30, and the other ends of the vertical steel bars 60 vertically extend out of the inverted sill pouring formwork 20. The preset vertical reinforcing steel bars 60 are convenient for butt joint of a bathroom floor slab, a shear wall, a partition wall and the like, and when the shear wall, the partition wall and the like are poured, one end, extending out of the inverted-ridge pouring space 23, of the vertical reinforcing steel bars 60 is poured into the shear wall or the partition wall. Or as the prefabricated bar planting of door frame constructional column, avoid the later stage for building the door frame and in cast-in-place structural drilling bar planting of pouring the shaping. The construction process of the traditional door frame constructional column is as follows: after the major structure is poured and is accomplished, by secondary structure construction team secondary unwrapping wire on the major structure, drilling bar planting on the bottom plate, the process is more, and because of need punch the drill hole on the bottom plate floor, so have the risk of destroying the water and electricity spool in the bottom plate (if destroy, repair the difficulty). In this embodiment, among the prefabricated bathroom floor slab work progress, directly with the pre-buried floor that advances of vertical reinforcement of door frame constructional column in, avoided unnecessary processes such as secondary structure construction team unwrapping wire, punch, bar planting, and effectively avoidd the risk of destroying water and electricity spool, can realize the door frame constructional column simultaneously and realize accurate location, guaranteed the accurate size of door entrance to a cave, avoid the later stage to the pick chisel of door entrance to a cave.

In addition, after the prefabricated bathroom is hoisted on the high-rise structure, a pouring template of a cast-in-place structure needs to be built. As shown in fig. 6, in order to facilitate the construction of the casting form of the cast-in-place structure, a slot 230 is preset at the top of the poured reversed sill 200, a notch of the slot 230 faces upward, and the slot 230 may be a slot 230 that is pressed out on the concrete that is not completely solidified by means of form pressing or the like before the concrete poured in the reversed sill casting space 23 is completely solidified. The arrangement of the slots 230 facilitates the construction of a later-period bathroom floor slab and a pouring template of a cast-in-place structure (a shear wall, a partition wall and the like) connected with the later-period bathroom floor slab.

In order to facilitate hoisting and transportation of the prefabricated toilet floor slab 1000, hoisting anchor rings can be embedded in the bottom plate 100 or the inverted ridge 200 and can be connected to the floor slab reinforcing steel bars 30, and the hoisting anchor rings need to be selected and arranged according to actual needs and the weight of the prefabricated toilet floor slab 1000.

After the concrete pouring to the bottom plate pouring space 14 and the inverted sill pouring space 23 is completed, the surface is required to be flattened, and the surface is required to be folded at the inverted sill 200 and the like, so that the forming quality is ensured. And timely watering and maintaining to avoid high-temperature insolation and cracking, and removing the bottom plate pouring template 10 and the reversed bank pouring template 20 after fourteen days of maintenance. In this application, the construction includes splicing and reinforcement.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A construction method for a prefabricated toilet floor slab is characterized by comprising the following steps:

assembling and reinforcing a bottom plate pouring template and a reverse ridge pouring template, wherein the reverse ridge pouring template comprises a reverse ridge outer template and a reverse ridge inner template, and a plurality of water supply and drainage pipeline groove pressing molds which are arranged at intervals are arranged on the inner side of the reverse ridge inner template;

laying floor slab reinforcing steel bars on the bottom plate pouring template, wherein the floor slab reinforcing steel bars are provided with reinforcing steel bar extending parts extending towards the periphery;

a positioning convex column is arranged on the floor slab reinforcing steel bar, and a water stop joint is sleeved on the positioning convex column;

pouring concrete into the bottom plate pouring template to form a bottom plate;

pouring concrete to the reverse ridge pouring template to form a reverse ridge; and

and removing the bottom plate pouring template and the reverse ridge pouring template.

2. The prefabricated toilet floor construction method according to claim 1, further comprising arranging an air duct opening formwork for a prefabricated air duct opening on the bottom plate pouring formwork, and arranging the floor slab reinforcing steel bars on the periphery of the air duct opening formwork.

3. The prefabricated lavatory floor construction method of claim 1, further comprising pre-burying a lightning protection ground structure, connecting the lightning protection ground structure to the floor slab reinforcing bars.

4. The precast toilet floor construction method according to claim 1, further comprising presetting a shear wall casting template slot on a back ridge connected with the shear wall.

5. The prefabricated toilet floor construction method according to claim 1, wherein the reverse sill outer formwork includes a plurality of outer plates connected in sequence;

assemble and consolidate bottom plate and pour template and anti-bank and pour template and include: and connecting any two adjacent outer plates through pins and pin sheets.

6. The prefabricated toilet floor construction method according to claim 5, wherein the reverse sill inner formwork includes a plurality of inner plates connected in sequence;

assemble and consolidate bottom plate and pour template and anti-bank and pour template and include: any two adjacent inner plates are connected by a pin and a pin piece.

7. The prefabricated lavatory floor construction method of claim 6, wherein any opposite counter plate and the inner plate are connected by a connecting member to fix the relative positions of any opposite outer plate and inner plate.

8. The prefabricated toilet floor construction method according to claim 7, wherein the connecting member is a U-shaped buckle;

after the assembling and reinforcing bottom plate pouring template and the reversed ridge pouring template are assembled, the U-shaped buckles are clamped on the outer side of the outer plate and the outer side of the inner plate which are opposite.

9. The prefabricated lavatory floor construction method of claim 1, further comprising presetting vertical reinforcing bars;

and connecting one end of the vertical steel bar to the floor steel bar, and vertically extending the other end of the vertical steel bar out of the inverted ridge pouring template.

10. The prefabricated lavatory floor construction method of claim 1, wherein the floor is prepared with a connection part for connection with a cast-in-place structure and the connection part is inclined during the process of pouring concrete into the floor slab.