Modularly-assembled prefabricated shear wall forming mold and forming method thereof

Abstract

The invention provides a modularly-assembled prefabricated shear wall forming mold and a forming method thereof, and is applied to the technical field of prefabricated shear wall production, the modularly-assembled prefabricated shear wall forming mold comprises a bottom mold platform, and a lower long-strip module, a side edge assembling module and an upper long-strip module which are supported on the bottom mold platform; the side edge assembling module comprises a plurality of single-edge side molds and corner side molds which are sequentially connected through bolts in the circumferential direction of the shear wall, each single-edge side mold comprises an inner mold plate, an upper wall plate, a lower wall plate and two side wall plates, the upper wall plates, the lower wall plates and the two side wall plates are arranged on the periphery of the inner mold plate, the inner mold plates are attached to the shear wall, and first connecting holes are formed in the side wall plates. The upper wall plate is provided with an upper rib penetrating notch extending downwards to the side mold plate, the lower wall plate is provided with a lower rib penetrating notch extending upwards to the side mold plate, the upper rib penetrating notch and the lower rib penetrating notch are oppositely arranged in the longitudinal direction, and the forming mold has higher adaptability and more turnover times.

Description

Technical Field

[0001] The present application relates to the technical field of precast shear wall production and forming molds, and particularly relates to a modularly assembled precast shear wall forming mold and a forming method thereof. Background Art

[0002] A precast shear wall is a reinforced concrete shear wall member produced in a factory and assembled on site, and is widely used in prefabricated buildings. The precast shear wall is usually mainly double-sided reinforced to meet the requirements of seismic ductility, bending resistance and shear resistance. When produced in a factory, after the precast shear wall is cast and formed, there are steel bars exposed around the wall. The exposed steel bars are connected to the steel bars of the floor slab, beam or other walls by means of welding or lapping to form a rigid joint to ensure the integrity of the structure. Chinese Patent with publication number CN108360712A and publication date August 3, 2018 discloses a prefabricated reinforced concrete shear wall. Not only are there steel bars exposed on the concrete surface around the precast shear wall, but also a concrete support leg is provided on one side surface, and there are also steel bars exposed on the two side surfaces of the support leg. Such components have very high requirements for the forming mold during factory production. Especially at the places where the steel bars extend out of the concrete surface around, if not properly handled, it is easy to leak slurry, making the concrete surface uneven, affecting the product quality, and also easily contaminating the forming mold, which is difficult to clean. In the support leg part, if not properly handled, it is easy to cause difficulty in demolding and damage to the forming mold.

[0003] The existing production method mainly uses perforated steel plates to manufacture the overall forming mold of the above-mentioned precast shear wall. The perforated parts are used as channels for the steel bars to extend out. The perforated steel plate forming mold is usually a single or rigid structure composed of a few parts, which will cause: First, a rigid constraint is formed on at least a part of the holes or corners on the forming mold. When the steel plate or steel bar gets stuck at a certain hole, the demolding force cannot be released through local deformation, resulting in difficulty in demolding and easily causing deformation of the forming mold or damage to the precast component. Second, the adaptability of the perforated steel plate is not strong. Once the size of the precast shear wall changes, a new mold needs to be opened. The turnover times of each set of forming molds are low, resulting in an increase in the production cost of the precast component. Third, the perforated steel plate needs to be customized, the manufacturing cost of the forming mold is high, and the production cycle of the forming mold is long, affecting the production efficiency of the precast component. On the other hand, when using a perforated steel plate as the forming mold, during production, the steel bars need to be inserted through the holes, resulting in low production efficiency and slow construction speed.

[0004] In some solutions, a steel bar passing gap or a steel bar passing vertical groove is further provided on the side form of the shear wall formwork. To facilitate the binding of steel bars inside the formwork, usually the double-sided steel bars of the shear wall body are passed out from a steel bar passing gap or a steel bar passing vertical groove. The reserved space of the steel bar passing gap or the vertical groove is relatively large, and before pouring, the steel bar passing gap or the steel bar passing vertical groove needs to be blocked with a blocking piece to prevent slurry leakage. However, the use of a large number of blocking pieces increases the production cost of precast components. Summary of the Invention

[0005] In view of this, the embodiments of this specification provide a modularly assembled precast shear wall forming mold and its forming method. The forming mold adopts an assembled design concept, which can effectively improve production efficiency, reduce costs, and has stronger adaptability and more turnover times.

[0006] Specifically, the embodiments of this specification provide the following technical solutions: The embodiments of this specification first provide a modularly assembled precast shear wall forming mold, including a bottom mold platform and a lower long strip module, a side assembling module, and an upper long strip module that are supported on the bottom mold platform and assembled in sequence from bottom to top; the side assembling module includes a plurality of single-sided side forms and corner side forms that are sequentially connected by bolts along the circumferential direction of the shear wall. Among them, the single-sided side form includes a rectangular inner form and an upper wall plate, a lower wall plate, and two side wall plates arranged around the inner form. The inner form is arranged in contact with the shear wall. The side wall plate is provided with first connection holes for the bolt connection. An upper steel bar passing notch extending downward to the side form is opened on the upper wall plate, and a lower steel bar passing notch extending upward to the side form is opened on the lower wall plate. The upper steel bar passing notch and the lower steel bar passing notch are arranged oppositely in the longitudinal direction.

[0007] To optimize the above solution, the following technical measures are also taken: As one implementation manner, the side assembling module further includes a plurality of adjusting clips. The adjusting clips are padded between the side walls of two adjacent side forms among the plurality of single-sided side forms and corner side forms. The adjusting clip is provided with a second connection hole for the bolt connection.

[0008] As one implementation manner, the adjusting clip includes a single plate clip and / or a combined clip. The single plate clip is suitable for being padded alone or in groups between adjacent single-sided side forms or between a single-sided side form and a corner side form. The combined clip has the same structure as the single-sided side form, and the combined clip is suitable for being padded alone between adjacent single-sided side forms or between a single-sided side form and a corner side form.

[0009] As one implementation manner, the upper opening of the upper steel bar passing notch penetrates through the upper wall plate inside and outside, and the lower opening of the lower steel bar passing notch penetrates through the lower wall plate inside and outside.

[0010] As one of the embodiments, both the upper reinforcing bar notch and the lower reinforcing bar notch are U-shaped notches, and the upper reinforcing bar notch and the lower reinforcing bar notch are laterally arranged at the center of the single-sided formwork.

[0011] As one of the embodiments, both the upper long strip module and the lower long strip module include a plurality of long strip steel plates and right-angle steel plates distributed along the outer periphery of the shear wall, wherein the long strip steel plates correspond to the single-sided formwork, and the right-angle steel plates correspond to the corner formwork.

[0012] As one of the embodiments, the side assembly module is bolted to both the lower long strip module and the upper long strip module.

[0013] As one of the embodiments, one end of the shear wall is provided with a support leg, the corner formwork includes an outward convex corner formwork and an inward concave corner formwork, and the multiple single-sided formworks, the outward convex corner formwork and the inward concave corner formwork jointly enclose the outer shape of the shear wall with the support leg.

[0014] In addition, the embodiment of the present specification also provides a forming method for a precast shear wall forming mold based on the above modular assembly, including the following steps: S1. Arrange the lower long strip module on the bottom formwork platform according to the outer shape of the shear wall; S2. Bind the lower layer steel bar mesh of the shear wall on the lower long strip module; S3. Assemble the side assembly module on the lower long strip module, let the lower layer steel bars of the wall pass through the lower reinforcing bar notches of the single-sided formwork, and at the same time sequentially bolt the single-sided formwork and the corner formwork along the circumferential direction of the shear wall; S4. Bind the upper layer steel bar mesh of the shear wall, and let the upper layer steel bars of the wall pass through the upper reinforcing bar notches of the single-sided formwork; S5. Assemble the upper long strip module above the side assembly module; S6. Pour the concrete of the shear wall; S7. Demold when the concrete strength meets the demolding requirements.

[0015] Preferably, in the step S3, the side assembly module is formed by combining single-sided formworks of multiple standard sizes and the corresponding corner formworks, so that the size of the side assembly module is aligned with the lower long strip module.

[0016] Compared with the prior art, the beneficial effects that can be achieved by at least one of the above technical solutions adopted in the embodiment of the present specification at least include: 1. This application adopts an assembled design concept. The side form of the shear wall mold is designed to be composed of multiple single-sided side forms and corner side forms spliced together. Each single-sided side form is independently provided with a steel bar passing notch for the shear wall steel bars to pass through, preventing local steel bars from getting stuck and affecting the overall demolding of the precast component. Moreover, when passing the steel bars through the steel bar passing notch, compared with passing the steel bars through the steel bar passing holes in an insertion manner, the operation is simple and the efficiency of arranging the shear wall steel bars is higher.

[0017] 2. The single-sided side form can be manufactured according to standardized dimensions, and its length can be selected with different dimensional values according to the spacing requirements of the wall steel bars, thereby increasing the applicable range of the mold. At the same time, the standardization of the single-sided side form dimensions can also improve the turnover times of the side form and reduce the side form cost.

[0018] 3. This application uses the upper and lower steel bar passing notches formed on the side formwork as the steel bar outlet parts, rather than using the reserved gap formed between adjacent single-sided side forms as the steel bar outlet part. The gap between the exposed steel bars and the steel bar passing notch is very small, and there is no need to use a sealing member to seal the gap. Therefore, the production cost of the shear wall can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of this application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of this application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of Embodiment 1 of this application; Figure 2 It is a schematic diagram of the structure of the side assembly module in Embodiment 1 of this application; Figure 3 It is a schematic diagram of the structure of the single-sided side form in Embodiment 1 of this application; Figure 4 It is a schematic diagram of the structure of the single plate clip in Embodiment 1 of this application; Figure 5 It is a schematic diagram of the structure of the combined clip in Embodiment 1 of this application; Figure 6 It is a schematic diagram of the structure of the lower long strip module in Embodiment 1 of this application; Figure 7 It is a top view schematic diagram when assembling the lower layer steel bars of the shear wall in Embodiment 2 of this application; Figure 8 It is a top view schematic diagram when assembling the upper layer steel bars of the shear wall in Embodiment 2 of this application; Figure 9 It is a side view schematic diagram when assembling the lower layer steel bars of the shear wall in Embodiment 2 of this application; Figure 10 It is a side view schematic diagram when assembling the upper-layer steel bars of the shear wall in the second embodiment of the present application.

[0021] Among them, 1. Bottom formwork platform; 2. Lower long-strip module; 21. Lower long-strip steel plate; 22. Lower right-angle steel plate; 23. Lower leg steel plate; 24. Upper positioning hole; 3. Side assembly module; 31. Single-side side formwork; 311. Upper wall plate; 312. Lower wall plate; 313. Side wall plate; 314. Inner formwork; 315. Upper connection hole; 316. Lower connection hole; 317. Upper steel bar passing notch; 318. Lower steel bar passing notch; 319. First connection hole; 32. Corner side formwork; 321. Outer convex corner side formwork; 322. Inner concave corner side formwork; 4. Adjusting clip; 41. Single-plate clip; 42. Combined clip; 5. Upper long-strip module; 61. Lower-layer steel bars; 62. Upper-layer steel bars. Detailed implementation manners

[0022] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0023] The following uses specific specific examples to illustrate the implementation manners of the present application. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts belong to the scope of protection of the present application.

[0024] It should be noted that the following describes various aspects of the embodiments within the scope of the appended claims. It should be obvious that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is illustrative only. Based on the present application, those skilled in the art should understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspects described herein can be used to implement the device and / or practice the method. In addition, this device can be implemented and this method can be practiced using other structures and / or functions in addition to one or more of the aspects described herein.

[0025] It should also be noted that the illustrations provided in the following embodiments only schematically illustrate the basic concept of the present application. The diagrams only show the components related to the present application, rather than being drawn according to the number, shape, and size of the components in actual implementation. The types, quantities, and proportions of the components in actual implementation can be arbitrarily changed, and the component layout type may also be more complex.

[0026] The embodiments of this specification propose a modularly assembled precast shear wall forming mold and its forming method, aiming to solve the problems such as easy jamming during demolding and low mold turnover due to the rigid constraint relationship between the steel bar passing parts in the existing integral or partially split shear wall molds, as well as large gaps between the steel bar passing parts, which require a large number of plugging parts and result in high production costs of precast components. It can not only effectively prevent the occurrence of local steel bar jamming, but also is easy to demold, with a high mold turnover rate. At the same time, it can also reduce the use of a large number of plugging parts such as foam cotton plugs, thereby reducing the production cost of precast components.

[0027] The following combines the accompanying drawings to illustrate the technical solutions provided by the embodiments of the present application. Embodiment

[0028] As Figures 1 to 3 shown, this embodiment first provides a modularly assembled precast shear wall forming mold. Here, the shear wall mold with legs is taken as an example to illustrate the solution. In fact, the mold can be conformally designed with the change of the shear wall shape. The shear wall can also be a rectangular shear wall or a shear wall of other shapes, which is not limited here.

[0029] Among them, the shear wall forming mold includes a bottom mold platform 1, and a lower long strip module 2, a side assembly module 3, and an upper long strip module 5 that are supported on the bottom mold platform 1 and assembled in sequence from bottom to top. These three parts form the main body of the mold. The main function of the lower long strip module 2 located below is to position the bottom of the side assembly module 3, and the main function of the upper long strip module 5 located above is to position the top of the side assembly module 3. Here, these three parts of the module can be assembled into one body by means of bolt connection, or assembled into one body by other detachable means. The side assembly module 3 includes a plurality of single-sided side molds 31 and corner side molds 32 that are sequentially connected by bolts along the circumference of the shear wall. Among them, the single-sided side molds 31 are made according to standardized dimensions, and their lateral length dimensions generally adopt standard scales such as 200mm, 180mm, 150mm, 120mm or 100mm according to the spacing requirements of the wall reinforcement. The standardization of the dimensions of the single-sided side molds 31 can increase the turnover times of the side molds and reduce the cost of the side molds. The single-sided side mold 31 is integrally in the shape of a box with one side open, and specifically includes a rectangular inner template 314, an upper wall plate 311, a lower wall plate 312, and two side wall plates 313 arranged around the inner template 314. As shown in the figure, for the single-sided side mold 31, the side close to the inner cavity of the mold, that is, the shear wall member, is the inner side, and the side far from the inner cavity of the mold is the outer side. Here, the inner template 314 is located at the innermost side of the single-sided side mold 31. In other words, the inner template 314 is arranged in contact with the shear wall. The side wall plate 313 is provided with first connection holes 319 for the bolt connection. Here, the first connection holes 319 are long waist-shaped holes extending longitudinally. The upper wall plate 311 is provided with an upper reinforcement through notch 317 extending downward to the side template, and the lower wall plate 312 is provided with a lower reinforcement through notch 318 extending upward to the side template. The upper reinforcement through notch 317 and the lower reinforcement through notch 318 are arranged opposite to each other longitudinally.

[0030] In this embodiment, the side form of the shear wall mold is designed to be composed of a plurality of modular single-sided side forms 31 and corner side forms 32 spliced by bolts. Each single-sided side form 31 is independently provided with a steel bar passing notch for the shear wall steel bars to pass through. During the installation of the mold and the demolding of the component, the single-sided side form 31 can be disassembled separately without affecting other single-sided side forms 31 in the side assembly module 3. This avoids the formation of rigid constraints between the steel bar passing parts, holes or corners on the side form, and prevents the local steel bars from being stuck, which causes difficulties in demolding the precast component. Moreover, by passing the steel bars through the steel bar passing notch, compared with passing the steel bars through the steel bar passing holes in an inserted manner, the operation is simple and the efficiency of arranging the shear wall steel bars is higher. Furthermore, in this embodiment, the upper and lower steel bar passing notches formed on the inner form 314 are used as the steel bar outlet parts, rather than using the reserved gap formed between adjacent single-sided side forms as the steel bar outlet part. After the steel bars are out, the gap between the exposed steel bars and the steel bar passing notch is very small, and there is no need to use a sealing member to seal the gap. Therefore, the production cost of the shear wall can be reduced. In addition, the single-sided side form 31 is made according to the standard size, and its lateral length can be selected with different size values according to the spacing requirements of the wall steel bars, so as to increase the application range of the mold, improve the turnover times of the side form, and reduce the cost of the side form, as disclosed above.

[0031] As Figure 3 shown, in this embodiment, the upper opening of the upper steel bar passing notch 317 penetrates through the upper wall plate 311 inside and outside, and the lower opening of the lower steel bar passing notch 318 penetrates through the lower wall plate 312 inside and outside. During the construction of the component, by aligning the steel bars of the component with the opening and placing them into the notch, the steel bars can pass through from the corresponding steel bar passing notch. Compared with passing the steel bars through the steel bar passing holes in an inserted manner, the operation is simple and the efficiency of arranging the shear wall steel bars is higher.

[0032] Preferably, both the upper steel bar passing notch 317 and the lower steel bar passing notch 318 are U-shaped notches, and the upper steel bar passing notch 317 and the lower steel bar passing notch 318 are laterally arranged in the center of the single-sided side form 31.

[0033] In this embodiment, the corner side form 32 includes an outer convex corner side form 321 and an inner concave corner side form 322. The plurality of single-sided side forms 31, the outer convex corner side form 321 and the inner concave corner side form 322 jointly enclose the outer shape of the shear wall with legs. The outer convex corner side form 321 is located at the four corner positions of the shear wall and / or the apex positions of the legs, and the inner concave corner side form 322 is located at the bottom corner positions of the legs, that is, the connection corner positions between the legs and the shear wall.

[0034] Although the length dimensions of the single-sided side mold 31 are various and can adapt to the adjustment of the wall dimensions on a large scale, it cannot solve the fine adjustment. For example, in some areas, the ends of shear walls or the edges of openings need to have steel bars densified. At this time, it is necessary to finely adjust the dimensions of the side assembling module 3 to adapt to the change of the steel bar spacing of the wall and / or the change of the wall dimensions.

[0035] For this reason, as Figures 3 to 5 , Figure 8 shown, in this embodiment, the side assembling module 3 further includes a plurality of adjusting clips 4, and the plurality of adjusting clips 4 are respectively cushioned between the side wall plates of a plurality of single-sided side molds 31 and corner side molds 32. Each of the adjusting clips 4 is cushioned between the side walls of two adjacent side molds corresponding to each other among the plurality of single-sided side molds and corner side molds. The adjusting clip 4 is provided with a second connection hole for the bolt connection. Preferably, the second connection hole is an oblong hole extending longitudinally. After the side assembling module 3 is installed in place, the second connection hole on the adjusting clip 4 is aligned with the first connection hole 319 on the side wall plate 313 of the single-sided side mold 31, and they are fixedly connected by bolts passing through both of them. Preferably, the adjusting clip 4 is arranged in alignment with the side wall plate 313 of the single-sided side mold 31 and / or the corner side mold 32. The inner side wall of the adjusting clip 4 is aligned with the inner template 314 of the single-sided side mold 31. The upper end of the adjusting clip 4 is aligned with the top surface of the upper wall plate 311 of the single-sided side mold 31, and the lower end is aligned with the bottom surface of the lower wall plate 312 of the single-sided side mold 31. The side wall plates 313 of adjacent single-sided side molds, the side wall plates 313 of the single-sided side mold and the adjacent adjusting clips are abutted against each other and fixedly connected by bolts.

[0036] Specifically, as Figure 4 and Figure 5 shown, here, the adjusting clip 4 includes a single-plate clip 41 and / or a combined clip 42. The single-plate clip 41 is suitable for being cushioned alone or in groups between adjacent single-sided side molds 31 or between the single-sided side mold 31 and the corner side mold 32. The thickness of the single-plate clip 41 is 8 mm, 10 mm, 12 mm, etc. The single-plate clip 41 can achieve millimeter-level dimension adjustment when used alone. When multiple single-plate clips 41 are used in combination, it can solve the dimension adjustment within, for example, 50 mm. For example, when 2 clips of 10 mm are combined together, it is equivalent to a clip with a thickness of 20 mm. The combined use of the clips improves the versatility of the clips. The dimension adjustment between 50 mm and 100 mm requires the use of the combined clip 42. The combined clip 42 has the same structure as the single-sided side mold 31. The combined clip 42 is suitable for being cushioned alone between adjacent single-sided side molds 31 or between the single-sided side mold 31 and the corner side mold 32. Specifically, as Figure 5As shown, the combined clamping piece 42 is generally box-shaped and is also composed of a side template, an upper wall plate, a lower wall plate, and two side wall plates. Since no steel bars pass through the side template of the clamping piece, there is no need to open holes or process notch structures on the side template, and the clamping piece does not need to be connected to the upper long strip module 5 and the lower long strip module 2. Therefore, there is no need to open holes on the upper wall plate and the lower wall plate of the combined clamping piece either. However, second connection holes need to be opened on the side wall plates for firm connection with the adjacent single-sided side mold 31.

[0037] In this embodiment, both the upper long strip module 5 and the lower long strip module 2 include a plurality of long strip steel plates and right-angle steel plates distributed along the outer periphery of the shear wall. Among them, the long strip steel plates correspond to the single-sided side mold 31, and the right-angle steel plates correspond to the corner side mold 32. Specifically, the lower wall plate 312 of the single-sided side mold 31 presses against the corresponding long strip steel plate in the lower long strip module 2. Similarly, the upper wall plate 311 of the single-sided side mold 31 presses against the corresponding long strip steel plate in the upper long strip module 5.

[0038] More specifically, taking the lower long strip module 2 as an example, as Figure 6 shown, the lower long strip module 2 includes four groups of lower long strip steel plates 21, four groups of lower right-angle steel plates 22, and two groups of lower leg steel plates 23. Among them, the lower long strip steel plates 21 include two groups of opposite longitudinal steel plates and two groups of opposite transverse steel plates. Two opposite leg mounting grooves are defined on one group of transverse steel plates, and the two groups of lower leg steel plates 23 are respectively placed in the two leg mounting grooves. The four groups of lower right-angle steel plates 22 are respectively located at the four corner positions of the shear wall. In some ways, the upper long strip module 5 and the lower long strip module 2 have the same structure, which will not be elaborated here.

[0039] More specifically, as Figure 6 shown, in the single-sided side mold 31, a lower connection hole 316 is further provided on the lower wall plate 312, and a lower positioning hole 24 that matches the lower connection hole 316 is provided on the lower long strip module 2. The lower positioning hole 24 is a threaded hole, and the single-sided side mold 31 is positioned on the lower long strip module 2 through bolts passing through the lower connection hole 316 and the lower positioning hole 24. Similarly, in the single-sided side mold 31, an upper connection hole 315 is provided on the upper wall plate 311, and an upper positioning hole that matches the upper connection hole 315 is provided on the upper long strip module 5. The upper positioning hole can be set to have a smooth inner wall, and the upper long strip module 5 is locked on the single-sided side mold 31 through bolts and nuts passing through the upper positioning hole and the upper connection hole 316.

[0040] More specifically, the outward convex corner side mold 321 includes two side wall plates arranged at a right angle in a vertical plane. The top of the two side wall plates has an upper wall plate, and the bottom has a lower wall plate. The side wall plates are provided with third connection holes for connecting with adjacent single-sided side molds and / or adjusting clips, for example, by bolt connection. The inward concave corner side mold 322 includes an inner template arranged at a right angle in a vertical plane and upper wall plates, lower wall plates, and side wall plates around the inner template. It does not have rib-passing notches on the upper wall plate and the lower wall plate. Except for the setting positions, its functional roles and connection methods with surrounding side molds and / or adjusting clips are similar to those of the single-sided side mold 31, and will not be elaborated here. Embodiment

[0041] Based on Embodiment 1, this embodiment further provides a forming method for a precast shear wall forming mold based on the above modular assembly, which specifically includes the following steps: S1. As shown in Figure 6 , arrange the lower long strip module 2 on the bottom mold platform 1 according to the shape of the shear wall. One end of the shear wall is provided with a leg, and the specific structure is as described in the prior patent text provided in the background technology, which will not be elaborated here. Specifically, the lower long strip module 2 is composed of a segmented lower long strip steel plate 21, a lower right-angle steel plate 22, and a lower leg steel plate 23. There are special requirements for the setting positions of the lower positioning holes 24 on the lower long strip module 2, and at least the positions where the shear wall steel bars pass through the ribs need to be avoided, as shown in the figure.

[0042] S2. As shown in Figure 7 , bind the steel bar mesh of the lower layer steel bars 61 of the shear wall on the lower long strip module 2. S3. As shown in Figure 9 , assemble the side assembly module 3 on the lower long strip module 2, so that the lower layer steel bars 61 of the wall pass through the lower rib-passing notch 318 of the single-sided side mold 31, and at the same time, connect the single-sided side mold 31 and the corner side mold 32 in sequence along the circumference of the shear wall by bolts. Since the upper and lower rib-passing notches are arranged relatively on the inner template, after the positions of the lower layer steel bars 61 in each lower rib-passing notch 318 are determined, the precise positioning of the wall steel bars is realized. This precise positioning not only includes the horizontal positioning of the lower layer steel bar mesh, but also includes the determination of the positional relationship between the upper layer steel bars 62 and the lower layer steel bars 61 in the vertical and horizontal directions.

[0043] S4. As shown in Figure 8 and Figure 10 , bind the upper layer steel bar mesh of the shear wall, so that the upper layer steel bars 62 of the wall pass through the upper rib-passing notch 317 of the single-sided side mold 31. S5. Assemble the upper long strip module 5 above the side assembly module 3 to complete the assembly of the mold body. S6. Pour the concrete for the shear wall; S7. Demold when the concrete strength meets the demolding requirements. The demolding sequence is to first remove the upper long strip module 5 from top to bottom, then remove the side assembled module 3, and finally remove the lower long strip module 2. After the modules are cleaned, they are prepared for the next cycle.

[0044] In this embodiment, the material of the forming mold can be steel, aluminum, or plastic.

[0045] In this embodiment, a variety of single-sided side molds 31 with standard sizes and corresponding corner side molds 32 can also be combined to form the side assembled module 3, so that the size of the side assembled module 3 is aligned with that of the lower long strip module 2 to adapt to the spacing requirements of the current shear wall steel bars and / or the size requirements of the shear wall. Further, adjusting clips are installed between the side wall plates of adjacent single-sided side molds 31 and / or between adjacent single-sided side molds 31 and corner side molds 32 as needed to further adapt to the size changes of the components.

[0046] In summary, in the above embodiment, the side mold of the shear wall mold is designed in a modular, unitized, and spliceable structural form. Each single-sided side mold as an independent unit is provided with a steel bar passing notch for the shear wall steel bars to pass through. Since each single-sided side mold can be individually disassembled from the side assembled module 3, local steel bar jamming can be prevented, and the demolding of the precast component as a whole is relatively easy. Moreover, by passing the steel bars through the steel bar passing notch, compared with passing the steel bars through the steel bar passing holes in a plug-in manner, the operation is simple, the efficiency of arranging the shear wall steel bars is higher, and the use of plugging parts can be reduced. In addition, the single-sided side mold as an independent unit can be made according to standard sizes, which can expand the application range of the mold and increase the turnover times of the mold.

[0047] In this specification, the same or similar parts among the various embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the embodiments described later, the description is relatively simple, and the relevant parts can be referred to the partial description of the foregoing embodiments.

[0048] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present application should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A modularly assembled prefabricated shear wall forming mold, characterized in that: It includes a bottom mold platform and a lower long strip module, a side assembly module and an upper long strip module which are supported on the bottom mold platform and assembled in sequence from bottom to top; The side assembly module group includes a plurality of single-sided side molds and corner side molds which are connected in sequence by bolts along the circumference of the shear wall, wherein the single-sided side mold includes a rectangular inner mold and an upper wall plate, a lower wall plate and two side wall plates arranged around the inner mold, the inner mold is arranged in contact with the shear wall, the side wall plate is provided with a first connecting hole for the bolt connection, the upper wall plate is provided with an upper through-rib notch extending downward to the side mold, the lower wall plate is provided with a lower through-rib notch extending upward to the side mold, and the upper through-rib notch and the lower through-rib notch are arranged relatively to each other in the longitudinal direction.

2. The prefabricated shear wall forming mold for modular assembly according to claim 1, characterized in that: The side assembly module also includes a plurality of adjustment clips, which are cushioned between the side walls of two adjacent side molds among the multiple single-side side molds and the corner side molds, and the adjustment clips are provided with second connection holes for the bolt connection.

3. The modularly assembled prefabricated shear wall forming mold according to claim 2, characterized in that: The adjustment clip includes a single plate clip and / or a combined clip. The single plate clip is suitable for padding between adjacent single-sided side molds or between a single-sided side mold and a corner side mold individually or in groups. The combined clip has the same structure as the single-sided side mold. The combined clip is suitable for padding between adjacent single-sided side molds or between a single-sided side mold and a corner side mold individually.

4. The modularly assembled prefabricated shear wall forming mold according to claim 1, characterized in that: The upper opening of the upper rib-penetrating notch penetrates the upper wall plate inside and outside, and the lower opening of the lower rib-penetrating notch penetrates the lower wall plate inside and outside.

5. The modularly assembled prefabricated shear wall forming mold according to claim 1, characterized in that: The upper reinforcement notch and the lower reinforcement notch are both U-shaped notches, and the upper reinforcement notch and the lower reinforcement notch are arranged in the center of the single-sided side mold in the lateral direction.

6. The prefabricated shear wall forming mold for modular assembly according to claim 1, characterized in that: The upper strip module and the lower strip module both include a plurality of strip steel plates and right-angle steel plates distributed along the outer periphery of the shear wall, wherein the strip steel plates correspond to the single-side side modules, and the right-angle steel plates correspond to the corner side modules.

7. The prefabricated shear wall forming mold for modular assembly according to claim 6, characterized in that: The side assembly module is connected to the lower long strip module and the upper long strip module by bolts.

8. The modularly assembled prefabricated shear wall forming mold according to claim 1, characterized in that: One end of the shear wall is provided with a supporting leg, and the corner side mold includes an outer convex corner side mold and an inner concave corner side mold. The multiple single-sided side molds, the outer convex corner side molds and the inner concave corner side molds together enclose the outer shape of the shear wall with the supporting leg.

9. A molding method of a prefabricated shear wall molding mold based on modular assembly according to any one of claims 1 to 8, characterized in that: The steps include: S1. Arrange the lower strip modules on the bottom formwork platform according to the shape of the shear wall; S2, tying the lower steel mesh of the shear wall on the lower long strip module; S3, assembling the side assembly module on the lower long strip module, allowing the lower layer of steel bars of the wall to pass through the lower reinforcement notch of the single-side side module, and at the same time connecting the single-side side module and the corner side module in sequence along the circumference of the shear wall by bolts; S4. Tie up the upper steel mesh of the shear wall, and let the upper steel bars of the wall pass through the upper steel bar notch of the single-sided side formwork; S5, assemble the long strip module on the top of the side assembly module; S6. pouring concrete for shear walls; S7. When the concrete strength meets the requirements for demolding, the formwork is removed.

10. The shear wall forming method according to claim 9, characterized in that: In the step S3, a side assembly module is formed by combining single-side side molds of various standard sizes and corresponding corner side molds, and the size of the side assembly module is aligned with the lower long strip module.

Images