阅读说明：本技术 预制夹芯保温飘窗剪力墙板及其制作方法 (Prefabricated sandwich heat-insulation bay window shear wall plate and manufacturing method thereof ) 是由 吕芹 都宏全 张永举 邓超杰 王付广 李耕 杨路成 张仪琳 贾兆利 祝利娟 于 2020-04-14 设计创作，主要内容包括：本发明涉及装配式建筑墙板技术领域,特别是涉及预制夹芯保温飘窗剪力墙板及其制作方法,现有飘窗根部烂根、表面气泡多,预制夹芯保温飘窗剪力墙板,包括结构层和外页层,所述结构层与外页层之间设置有保温层,所述外页层侧壁设置飘窗板、所述结构层、保温层和外页层中部预留窗洞,所述窗洞三面设置U形的飘窗板,所述外页层的厚度方向预留内多个螺纹套筒,所述结构层顶部预留两个在竖直方向上延伸的吊钉,工艺操作简单,低成本的解决构件外观质量差和飘窗根部烂根、表面气泡多的问题,在装配式建筑墙板技术领域具有良好的发展前景。(The invention relates to the technical field of assembled building wallboards, in particular to a prefabricated sandwich heat-insulation bay window shear wallboard and a manufacturing method thereof.)

1. Prefabricated core heat preservation window shear force wallboard that wafts, including structural layer (1) and outer page or leaf layer (3), its characterized in that, be provided with between structural layer (1) and outer page or leaf layer (3) heat preservation (2), outer page or leaf layer (3) lateral wall sets up wafts luffer boards (4) structural layer (1), heat preservation (2) and outer page or leaf layer (3) middle part reserve the window opening, the trilateral luffer boards (4) that waft that set up the U-shaped in window opening, a plurality of threaded sleeve (5) in the thickness direction reservation of outer page or leaf layer, two hang nail (6) that extend in vertical direction are reserved at structural layer (1) top.

2. The shear wall panel of prefabricated sandwich insulation bay window as claimed in claim 1, wherein the diameter of each threaded sleeve (5) is between 14-18mm and the bay window panel height is between 470 and 520 mm.

3. The production method of the shear wall board of the prefabricated sandwich heat-insulation bay window is characterized in that:

s1, module platform processing and structural layer construction: cleaning a mold table, assembling a structural layer side mold on the premise of leveling the surface of the mold table, inspecting the side mold, fixing the side mold after the side mold is qualified, coating a retarder in the direction of rib forming on the periphery of the side mold, and coating a water-based release agent in the direction of rib forming;

s2, binding a steel bar framework, installing an embedded part, installing an embedded pipeline and installing a window die, and hiding, checking and accepting until the inspection is qualified;

s3, distributing and vibrating the structural layer concrete: mixing cement, water, fly ash, sand, stone, water and a water reducing agent according to the proportion of 1: 0.61: 0.2203: 3.01: 3.4: weighing 0.0244 mass ratio, mixing and stirring uniformly, pouring the mixture into a mold through a hopper, controlling the mold-entering temperature at 15 ℃, simultaneously manufacturing at least three groups of concrete test blocks cured under the same conditions, vibrating by a vibrating bar in time after pouring, avoiding the position of an embedded part, and then performing hair pinching and leveling;

s4, constructing an insulating layer on the basis of the structural layer: cutting and laying the heat preservation plate, and vertically inserting a heat preservation pulling and connecting piece into the heat preservation plate;

s5, constructing the outer-leaf wallboard on the basis of the structural layer and the heat insulation layer: sequentially installing a reinforcing mesh of the outer leaf layer and the bay window wall board and an embedded part of the outer leaf layer wall board, ensuring that the embedded information is complete and the position is correct, pouring the mixture on the outer leaf layer through a hopper after the mixture is qualified by inspection, vibrating by using a vibrating bar in the process, avoiding the embedded part and the heat preservation layer during vibrating, controlling the vibrating time within 2 minutes, and trowelling and finishing after vibrating;

s6, a floating window plate: the floating window plate and the outer leaf wall are separately supported with a mold, before the outer leaf wall is initially set, a floating window plate mold is installed and coated with a release agent, and concrete is poured in two layers and vibrated for the second time;

s7, natural maintenance: naturally curing the wallboard under the conditions of watering and heat preservation;

s8, dismantling the die: after the wallboard is condensed, the hanging die and the side die are removed, and the surface coated with the retarder is brushed;

s9, hoisting a component: and when the strength of the wallboard reaches the compressive strength not less than 75% of the designed strength and not less than 15MPa, the wallboard is integrally demolded and lifted.

4. The production method of the prefabricated sandwich heat-insulation bay window shear wall board as claimed in claim 3, wherein the production method comprises the following steps: paste thick foaming sealing strip between mould side forms in the structural layer and the die table contact surface, the foaming sealing strip keeps levelly and smoothly straight, uses the fixed side forms of magnetic force box, foaming sealing strip thickness is 5mm, the fixed box suction of magnetic force is not less than 1 t.

5. The production method of the prefabricated sandwich heat-insulation bay window shear wall board as claimed in claim 3, wherein the production method comprises the following steps: the slump of the structural layer concrete is not more than 180mm, the deviation is controlled within +/-10, and the particle size of the coarse aggregate is not more than 15 mm.

6. The production method of the prefabricated sandwich heat-insulation bay window shear wall board as claimed in claim 3, wherein the production method comprises the following steps: foaming agent is filled at the joints of the heat-insulating layers, and the verticality and the insertion depth of the heat-insulating connecting piece are strictly controlled.

7. The production method of the prefabricated sandwich heat-insulation bay window shear wall board as claimed in claim 3, wherein the production method comprises the following steps: and the thickness of the leveling layer is not more than 5mm after the surface of the outer page layer is leveled.

8. The production method of the prefabricated sandwich heat-insulation bay window shear wall board as claimed in claim 3, wherein the production method comprises the following steps: sponge adhesive tape is pasted on luffer boards mould limit and root, and every layer is pour highly no more than 250mm, pours along U type direction from one side, pours the in-process in the layering, vibrates concrete align to grid, goes on according to pouring the order, vibrates for the second time and inserts the 1/3 height of first layer concrete, before waiting to waft the whole concrete initial set of luffer boards, carries out secondary bayonet whole vibration along every 30 centimeters of U type direction, vibrates for 30s at every turn, until the surface no bubble discharge, sponge adhesive tape thickness is 5 mm.

9. The production method of the prefabricated sandwich heat-insulation bay window shear wall board as claimed in claim 3, wherein the production method comprises the following steps: after the concrete of the wallboard is initially set, the hanging die and the side die are removed within 48 hours of concrete pouring, and the hair pinching depth is 5-7 mm.

Technical Field

The invention relates to the technical field of assembled building wallboards, in particular to a shear wallboard of a prefabricated sandwich heat-insulation bay window and a manufacturing method thereof.

Background

At present, a horizontal production mode is adopted by combining a precast concrete wall panel component with a PC automatic production line, and a precast sandwich heat-preservation bay window shear wall panel cannot enter a curing kiln for steam curing due to the fact that the bay window is too high in height, so that the precast sandwich heat-preservation bay window shear wall panel adopts a fixed mould platform horizontal type reverse-beating production process, and different from the production mode of a common precast sandwich heat-preservation wall panel, the bay window hanging mould is higher in height, so that quality defects such as serious root rot of a root, more bubbles on the surface of a bay window panel and the like appear after concrete is poured on a structural layer and the bay window panel, and the apparent quality of the precast component is seriously influenced.

At present, the production technology of prefabricated components in China is in a primary stage, the production standards of various manufacturers for component products are different, and a manufacturing method of special-shaped components is lacked, so that the manufacturing method for producing the prefabricated bay window and the structural layer in stages is provided for solving the quality defect of the prefabricated sandwich heat-insulation bay window shear wall board.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the prefabricated sandwich heat-insulation bay window shear wall board and the manufacturing method thereof, and solves the problems of root rot and more surface bubbles of the existing bay window.

The technical scheme is that the prefabricated sandwich heat-insulation bay window shear wall plate comprises a structural layer and an outer leaf layer, wherein a heat-insulation layer is arranged between the structural layer and the outer leaf layer, window boards are arranged on the side wall of the outer leaf layer, window holes are reserved in the middle of the structural layer, the heat-insulation layer and the outer leaf layer, U-shaped window boards are arranged on three sides of each window hole, a plurality of threaded sleeves are reserved in the thickness direction of the outer leaf layer, and two hanging nails extending in the vertical direction are reserved at the top of the structural layer.

Further, each of the threaded sleeves has a diameter of between 14 and 18mm, and the louver height is between 470 and 520 mm.

The production method of the prefabricated sandwich heat-insulation bay window shear wall board comprises the following steps:

s1, cleaning a mold table, assembling a structural layer side mold on the premise that the surface of the side mold is flat, inspecting the side mold, fixing the side mold after the side mold is qualified, coating a retarder in the direction of rib forming on the periphery of the side mold, coating a water-based release agent in the direction of rib forming, adhering a foaming sealing strip with the thickness of 5mm between the side mold of the mold and the contact surface of the mold table, keeping the foaming sealing strip flat and straight, and fixing the side mold by using a magnetic box with the suction force not less than 1 t;

s2, binding a steel bar framework, installing embedded parts, installing embedded pipelines and installing window molds, covering and covering the foundation, the electric pipelines, the water and heat supply pipelines and the like, and opening a concealed acceptance certificate;

s3, distributing and vibrating the structural layer concrete: mixing cement, water, fly ash, sand, stone, water and a water reducing agent according to the proportion of 1: 0.61: 0.2203: 3.01: 3.4: weighing 0.0244 mass ratio, mixing and stirring uniformly, pouring the mixture into a mold through a hopper, controlling the mold-entering temperature at 15 ℃, simultaneously manufacturing at least three groups of concrete test blocks cured under the same conditions, vibrating by a vibrating bar in time after pouring, avoiding the position of an embedded part, and then performing hair pinching and leveling; wherein the slump of the structural layer concrete is not more than 180mm, the deviation is controlled within +/-10, and the particle size of the coarse aggregate is not more than 15 mm;

s4, constructing an insulating layer on the basis of the structural layer: cutting and laying an insulation board, vertically inserting an insulation pulling-connecting piece by using a rubber hammer, and filling a foaming agent at the splicing seam of the insulation board so as to meet the requirements of strictly controlling the verticality and the insertion depth of the insulation connecting piece;

s5, constructing the outer-leaf wallboard on the basis of the structural layer and the heat insulation layer: sequentially installing a reinforcing mesh of the outer leaf layer and the bay window wall board and an embedded part of the outer leaf layer wall board, ensuring that the embedded information is complete and the position is correct, pouring the mixture on the outer leaf layer through a hopper after the mixture is qualified by inspection, vibrating by a vibrating bar in the process, avoiding the embedded part and the heat preservation layer during vibrating, controlling the vibrating time within 2 minutes, and trowelling and finishing after vibrating, wherein the trowelling thickness is not more than 5 mm;

s6, separately supporting a mold for the floating window plate and the outer leaf wall, installing a floating window plate mold before the outer leaf wall is initially set, coating a release agent, pouring concrete in two layers and performing secondary vibration, wherein sponge adhesive tapes are adhered to the edge and the root of the floating window plate mold, when pouring in two layers, the pouring height of each layer is not more than 250mm, pouring along the U-shaped direction from one side, uniformly arranging and vibrating the concrete in the layered pouring process, performing vibration for the second time according to the pouring sequence, inserting the vibration for the second time into the 1/3 height of the first layer of concrete, performing secondary insertion type integral vibration along the U-shaped direction every 30 centimeters before the initial setting of the integral concrete of the floating window plate, vibrating for 30s every time until no bubbles are discharged from the surface, and the thickness of the sponge adhesive tape is 5 mm;

s7, naturally curing the wallboard under the conditions of watering and heat preservation;

s8, after the wallboard is condensed, the hanging die and the side die are removed within 48 hours of concrete pouring, and the surface coated with the retarder is subjected to hair pinching, wherein the hair pinching depth is 5-7 mm;

s9, when the strength of the wallboard reaches the condition that the compressive strength is not less than 75% of the designed strength and not less than 15MPa, the wallboard is integrally demolded and lifted;

s10, spraying identification: checking the size deviation and the impression quality of the component, and pasting a component information identifier on an obvious part of the component by adopting a two-dimensional code technology after the component is qualified;

s11, storage in a warehouse: the storage information is stored according to the number of the storage yard and is stored in a storage information table.

The invention has the technical effects that the prefabricated sandwich heat-preservation bay window shear wall plate is produced on a fixed mould table by adopting a positive beating process, a separate mould is adopted and consists of a structural layer side mould, a window side mould, a heat-preservation layer side mould, an outer leaf layer side mould and a bay window plate hanging mould, the mould composition is simple in a production mode, the weight of the mould is reduced, the production is carried out in sequence according to the composition of the wall plate, the outer leaf plate and the bay window plate are integrated, the bay window plate and the outer leaf wall are separately produced, the bay window plate is poured in layers and vibrated for the second time before the outer leaf wall is initially solidified, the root rot and the surface bubble phenomenon of the bay window are effectively solved, the appearance quality of the prefabricated sandwich heat-preservation bay window shear wall plate is integrally improved, the clear water concrete wall plate with the decoration effect is manufactured by adopting a flow line production process, and the batch production is achieved.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention.

Fig. 2 is a schematic reverse of the inventive structure.

FIG. 3 is a flow chart of the production process of the present invention.

1. A structural layer; 2. a heat-insulating layer; 3. an outer page layer; 4. a bay window panel; 5. a threaded sleeve; 6. and (5) hanging nails.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.