Reinforced ALC wallboard and manufacturing method thereof
The technical field is as follows:
the invention relates to the field of novel building materials, in particular to a reinforced ALC wallboard and a manufacturing method thereof.
Background art:
ALC is a short name for Autoclaved Lightweight Concrete (Autoclaved Lightweight Concrete), and is one of high-performance Autoclaved aerated Concrete. The ALC wallboard is a porous concrete forming plate (containing processed reinforcing steel bars) which is formed by curing fly ash (or silica sand), cement, lime and the like serving as main raw materials through high-pressure steam, is one of building light slats, and has the following characteristics: the board has light weight and small design load, and is a good heat-insulating and sound-insulating material due to loose and porous texture; when the wallboard is used, the using area of the building is enlarged due to the thin board. The plate is convenient to install and high in construction speed. Therefore, the ALC wallboard can be used as a wallboard and a roof panel, and is a novel building material with excellent performance. However, the existing ALC wallboard is low in board strength and easy to damage in the carrying construction installation process, and particularly when the ALC wallboard is used as a building external wallboard, because the board strength is low, each layer of wallboard is not suitable to be laminated to the top layer by layer, a bearing structure needs to be arranged on each layer, particularly in a high-rise building in an earthquake area, each layer of bearing structure needs to bear the weight of the layer, and due to the problem in the aspect, the ALC wallboard is limited to a certain degree when being applied to the steel structure buildings of the high-rise and super high-rise. To this end, we propose a reinforced ALC wallboard and method of making the same to address the above-mentioned technical problems.
The invention content is as follows:
the invention aims to solve the problems of low strength and limited application height of the ALC wallboard in the prior art, and provides a reinforced ALC wallboard and a manufacturing method thereof, which improve the strength of the existing ALC wallboard, enable the existing ALC wallboard to have excellent mechanical performance, are convenient to install on site, can be directly connected with a bearing wall or a member and the like in anchoring, welding and other modes, greatly improve the construction progress and shorten the construction period.
In order to achieve the purpose, the invention adopts the following technical scheme:
a reinforced ALC wallboard comprises an ALC prefabricated wallboard, wherein an upper reinforcing steel bar net rack layer and a lower reinforcing steel bar net rack layer are arranged inside the ALC prefabricated wallboard, each reinforcing steel bar net rack layer comprises a plurality of transverse reinforcing steel bars and a plurality of longitudinal reinforcing steel bars, the transverse reinforcing steel bars and the longitudinal reinforcing steel bars are vertically and fixedly connected to form a steel wire net rack, one transverse side of the ALC prefabricated wallboard is provided with a tenon, the other transverse side of the ALC prefabricated wallboard is provided with a corresponding groove, and two adjacent ALC prefabricated wallboards can be spliced into a whole through the tenon and the;
the reinforcing member comprises a first longitudinal column, a second longitudinal column and connecting plates distributed between the first longitudinal column and the second longitudinal column at intervals, the first longitudinal column and the second longitudinal column are arranged in parallel, one end of each connecting plate is fixedly connected with the first longitudinal column, and the other end of each connecting plate is fixedly connected with the second longitudinal column;
both sides respectively have a vertical draw-in groove that leads to long about the recess, are first joint groove and second joint groove respectively, first joint groove with still be equipped with the vertical third joint groove of a plurality of between the second joint groove, third joint groove one end with first joint groove connection, the other end with second joint groove connection, third joint groove will the recess is along vertical disconnection, the prefabricated wallboard of ALC with when the stiffening member is connected, first vertical column joint is in the first joint groove, the second vertical column joint is in the second joint groove, the connecting plate is located in the third joint inslot, the connecting plate with prefabricated wallboard fixed connection of ALC. This strengthening member installs the tail end at the prefabricated wallboard of ALC, can form an effectual protection to its tail end, can effectively avoid the damage of the panel of transportation, hoist and mount in-process, still makes it have certain mechanical strength simultaneously, can directly be connected with bearing wall or component etc. through modes such as anchor, welding during the installation, improves the construction progress greatly, shortens construction period.
Furthermore, the first longitudinal column and the second longitudinal column are both long columns with L-shaped cross sections.
Further, the connecting plate with the prefabricated wallboard of ALC passes through metal bolt fixed connection, metal bolt is concrete self tapping bolt.
Furthermore, the inboard of connecting plate is equipped with U type connecting piece, U type connecting piece includes two free ends and blind end, the blind end of U type connecting piece with reinforcing member's connecting plate fixed connection, two free end orientations are kept away from reinforcing member's one side. The reinforcing member is fixedly connected with the U-shaped connecting piece, so that the connection strength of the reinforcing member and concrete is further increased.
Furthermore, two free ends of the U-shaped connecting piece are fixedly connected with one end of the transverse steel bar corresponding to the upper layer and the lower layer respectively. U type connecting piece is through carrying out fixed connection with reinforcing bar net piece for U type connecting piece is more firm in the concrete, thereby further increases the joint strength of reinforcement member and concrete.
Furthermore, the U-shaped connecting piece and the transverse steel bar are fixedly connected in a welding mode.
Furthermore, be equipped with first anchor bolt hole on the blind end of U type connecting piece, the connecting plate with be equipped with the second anchor bolt hole on the first anchor bolt hole corresponds the position, U type connecting piece with the connecting plate carries out fixed connection through the metal crab-bolt. The connection mode is flexible and convenient, and is beneficial to rapid production.
Meanwhile, the invention also provides the following technical scheme:
a method of manufacturing a reinforced ALC wallboard, for making said reinforced ALC wallboard, comprising the steps of:
the method comprises the following steps: binding transverse steel bars and longitudinal steel bars to manufacture a steel bar mesh, dividing the manufactured steel bar mesh into an upper layer and a lower layer, putting the upper layer and the lower layer into a manufacturing mold of the ALC wallboard, pouring ALC into the mold to form a block, performing pressurized curing by steam until the ALC wallboard meets the requirement of construction strength, namely finishing the manufacturing of the ALC prefabricated wallboard, wherein one end of the ALC prefabricated wallboard after the mold is removed is provided with a groove, and the other end of the ALC prefabricated wallboard is provided with a tenon corresponding to the groove;
step two: manufacturing a reinforcing member, wherein the reinforcing member comprises a first longitudinal column, a second longitudinal column and connecting plates which are distributed between the first longitudinal column and the second longitudinal column at intervals;
step three: milling a first clamping groove corresponding to the first longitudinal column, a second clamping groove corresponding to the second longitudinal column and a third clamping groove corresponding to the connecting plate at the tail end of the ALC prefabricated wallboard;
step four: and C, clamping the first longitudinal column into the first clamping groove, clamping the second longitudinal column into the second clamping groove, clamping the connecting part into the third clamping groove, and fixedly connecting the connecting part of the reinforcing member with the ALC prefabricated wallboard.
Furthermore, the connecting portion of the reinforcing steel member and the ALC prefabricated wall panel are fixedly connected through concrete self-tapping metal screws.
Further, before pouring the ALC into the mould, the U-shaped connecting piece is arranged between the upper layer of reinforcing steel bar net piece and the lower layer of reinforcing steel bar net piece, the closed end of the U-shaped connecting piece is close to one side of the groove, and two free ends of the U-shaped connecting piece are fixedly connected with one end portions of the two transverse reinforcing steel bars which are arranged in parallel up and down relatively respectively.
Furthermore, the U-shaped connecting piece and the transverse steel bar are fixedly connected in a welding mode.
Further, the specific steps of manufacturing the U-shaped reinforcing member in the second step are as follows: the first longitudinal column and the second longitudinal column are L-shaped components, one end of the first longitudinal column and one end of the second longitudinal column are arranged oppositely, a plurality of connecting plates are vertically arranged on inner right angles of the first longitudinal column and the second longitudinal column respectively according to a certain distance, and the connecting plates are fixedly connected with the first longitudinal column and the second longitudinal column respectively.
Furthermore, the connection mode of the connecting plate, the first longitudinal column and the second longitudinal column is welding.
Furthermore, the third step is milling the first clamping groove corresponding to the first vertical column, the second clamping groove corresponding to the second vertical column and the third clamping groove corresponding to the connecting plate at the tail end of the ALC prefabricated wallboard, and the third step is as follows: milling a first clamping groove at a position, close to the edge of the upper surface, of the tail end of the ALC prefabricated wallboard, wherein the height of the first clamping groove from the upper edge of the ALC prefabricated wallboard is not less than the thickness of the corresponding transverse end of the first longitudinal column;
milling a second clamping groove at a position, close to the edge of the lower surface, of the tail end of the ALC prefabricated wallboard, wherein the height, from the second clamping groove to the lower edge of the ALC prefabricated wallboard, of the second clamping groove is not less than the thickness of the corresponding second longitudinal column transverse end;
and milling a third clamping groove at the position, corresponding to the connecting plate, of the tail part of the ALC prefabricated wallboard, wherein the upper end and the lower end of the third clamping groove are communicated with the first clamping groove and the second clamping groove, and the width of the second clamping groove is not smaller than that of the connecting plate.
Further, the concrete steps of fixedly connecting the connecting part of the reinforcing member and the ALC wallboard in the fourth step are as follows: and a first anchor bolt hole is formed in the connecting plate, a second anchor bolt hole is formed in the U-shaped connecting piece at a position corresponding to the first anchor bolt hole, and a metal anchor bolt is used for fixedly connecting the connecting plate and the U-shaped connecting piece through the first anchor bolt hole and the second anchor bolt hole.
The invention adopts the structure and has the following advantages:
(1) the angle steel piece with certain mechanical strength is fixedly connected with the connecting plate to form the reinforcing member with a stable structure, the reinforcing member has high mechanical strength and is easy to process, and the size can be adjusted freely according to the size of the wall plate; the reinforcing member is combined with the existing common ALC prefabricated wallboard with lower density into a whole to form the reinforced ALC wallboard with higher mechanical strength, so that the problems of low density, low strength, easy damage, difficult high-rise installation and the like of the existing wallboard are solved. In addition, when the manufactured reinforced ALC plate is installed, the reinforcing member can be connected with a bearing wall or a member and the like in anchoring, welding and other modes, a connecting piece does not need to be configured independently, and the purposes of saving trouble and labor, and being convenient and fast are achieved.
(2) Through carrying out effective connection with the horizontal muscle of U type connecting piece and the inside structure of prefabricated wallboard, the effectual stability with the wall connection that has improved the connecting piece to further improve the joint strength of strengthening member and wall body.
(3) U type connecting piece is connected through the mode of metal crab-bolt with the strengthening steel member, and this kind of connected mode makes the connected mode between U type connecting piece and the strengthening steel member relatively flexible, adaptation engineering installation needs that can be better, and this kind of connected mode is more nimble swift simultaneously, the production and processing of being convenient for.
Description of the drawings:
FIG. 1 is a perspective view of a prefabricated wall panel of ALC;
FIG. 2 is a perspective view of a reinforcement member;
FIG. 3 is a front view of a reinforcement structure;
FIG. 4 is a perspective view of a reinforced ALC wallboard;
FIG. 5 is an enlarged view of section A of a perspective view of a reinforced ALC wallboard;
FIG. 6 is an enlarged schematic view of section B of the perspective view of a reinforced ALC wallboard;
FIG. 7 is a front view of a schematic diagram of a reinforced ALC wallboard structure;
FIG. 8 is a right side view of a schematic view of a reinforced ALC wallboard structure;
FIG. 9 is a front view of a schematic diagram of a reinforced ALC wallboard structure with U-shaped connectors;
FIG. 10 is a schematic view of the position of the U-shaped connector;
FIG. 11 is a schematic view of the positions of the first and second anchor holes.
In the figure, 1, prefabricated wall board, 2, reinforcing member, 4, metal anchor bolt, 5, U-shaped connecting piece, 6, transverse steel bar, 7, longitudinal steel bar, 8, first bolt hole, 9, second bolt hole, 10, tenon, 11, groove, 21, first longitudinal column, 22, second longitudinal column, 23, connecting plate, 31, first clamping groove, 32, second clamping groove, 33 and third clamping groove.
The specific implementation mode is as follows:
in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a number" means one or more than one, and "a plurality" means two or more than two.
Example 1:
as shown in figure 1, the reinforced ALC wallboard comprises an ALC prefabricated wallboard 1, wherein an upper reinforcing steel bar net rack and a lower reinforcing steel bar net rack are arranged inside the ALC prefabricated wallboard 1, each layer of reinforcing steel bar net rack comprises a plurality of transverse reinforcing steel bars 6 and a plurality of longitudinal reinforcing steel bars 7, the transverse reinforcing steel bars 6 and the longitudinal reinforcing steel bars 7 are vertically and fixedly connected to form a steel wire net rack, one transverse side of the ALC prefabricated wallboard 1 is provided with a tenon 10, and the other transverse side of the ALC prefabricated wallboard is provided with a corresponding;
as shown in fig. 2 and 3, the reinforcing member 2 includes a first longitudinal column 21, a second longitudinal column 22, and a connecting plate 23 spaced between the first longitudinal column 21 and the second longitudinal column 22, the first longitudinal column 21 and the second longitudinal column 22 are disposed in parallel, one end of the connecting plate 23 is fixedly connected to the first longitudinal column 21, and the other end is fixedly connected to the second longitudinal column 22;
as shown in fig. 4-8, the upper and lower sides of the groove 11 are respectively provided with a longitudinal through-length slot, which is respectively a first clamping groove 31 and a second clamping groove 32, a plurality of vertical third clamping grooves 33 are further disposed between the first clamping groove 31 and the second clamping groove 32, the third clamping grooves 33 longitudinally disconnect the groove 11, the first longitudinal column 21 is clamped in the first clamping groove 31, the second longitudinal column 22 is clamped in the second clamping groove 32, the connecting plate 23 is located in the third clamping grooves 33, and the connecting plate 23 is fixedly connected with the ALC prefabricated wall panel 1.
As shown in fig. 2 and 3, as a preferred embodiment of the present invention, the first vertical column 21 and the second vertical column 22 are both long columns having an L-shaped cross section.
As shown in fig. 6-8, as a preferred embodiment of the present invention, the connecting plate 23 is fixedly connected to the ALC prefabricated wall panel 1 by a metal anchor 4, which is a concrete self-tapping anchor.
The method for manufacturing the ALC prefabricated wallboard comprises the following steps of:
the method comprises the following steps: as shown in fig. 1, binding transverse steel bars 6 and longitudinal steel bars 7 to manufacture a steel bar mesh sheet, dividing the manufactured steel bar mesh sheet into an upper layer and a lower layer, placing the upper layer and the lower layer into a manufacturing mold of the ALC wallboard, pouring ALC into the mold to form a sheet block, performing steam pressure curing until the ALC wallboard meets the requirement of construction strength, and finishing the manufacturing of the ALC prefabricated wallboard 1, wherein one end of the ALC prefabricated wallboard 1 after the mold is removed is provided with a groove 11, and one end of the ALC prefabricated wallboard is provided with a tenon 10 corresponding to the groove;
step two: as shown in fig. 2 and 3, a reinforcing member 2 is manufactured, wherein the reinforcing member 2 comprises a first longitudinal column 21, a second longitudinal column 22 and a connecting plate 23 which is distributed between the first longitudinal column 21 and the second longitudinal column 22 at intervals;
step three: as shown in fig. 4-8, a first clamping groove 31 corresponding to the first vertical column 21, a second clamping groove 32 corresponding to the second vertical column 22, and a third clamping groove 33 corresponding to the connecting plate 23 are milled at the tail end of the ALC prefabricated wall panel 1;
step four: as shown in fig. 4-8, the first vertical column 21 is clamped into the first clamping groove 31, the second vertical column 22 is clamped into the second clamping groove 31, the connecting portion 23 is clamped into the third clamping groove 33, and the connecting portion 23 of the reinforcing member 2 is fixedly connected with the ALC prefabricated wall panel 1.
As shown in fig. 6 to 8, as a preferred embodiment of the present invention, the connecting portion 23 of the reinforcing member 2 and the ALC prefabricated wall panel 1 are fixedly connected by using a metal anchor 4, which is a concrete self-tapping anchor.
As shown in fig. 2-3, as a preferred technical solution of the present invention, the method for manufacturing the U-shaped reinforcing member in the second step comprises the following specific steps: the first longitudinal column 21 and the second longitudinal column 22 are L-shaped members, one end of the first longitudinal column 21 and one end of the second longitudinal column 22 are arranged oppositely, the plurality of connecting plates 23 are vertically arranged on the inner right angle of the first longitudinal column 21 and the inner right angle of the second longitudinal column 22 respectively according to a certain distance, and the connecting plates 23 are fixedly connected with the first longitudinal column 21 and the second longitudinal column 22 respectively.
In a preferred embodiment of the present invention, the connection manner of the connecting plate 23 to the first vertical column 21 and the second vertical column 22 is welding.
As a preferred technical solution of the present invention, the third step of milling the first clamping groove 31 corresponding to the first vertical column 21, the second clamping groove 32 corresponding to the second vertical column 22, and the third clamping groove 33 corresponding to the connecting plate 23 at the tail end of the ALC prefabricated wall panel 1 specifically includes: milling a first clamping groove 31 at a position, close to the edge of the upper surface, of the tail end of the ALC prefabricated wallboard 1, wherein the height of the first clamping groove 31 from the edge of the upper surface of the ALC prefabricated wallboard 1 is not less than the thickness of the corresponding transverse end of the first longitudinal column 21;
milling a second clamping groove 32 at a position, close to the edge of the lower surface, of the tail end of the ALC prefabricated wallboard 1, wherein the height of the second clamping groove 32 from the lower edge of the ALC prefabricated wallboard 1 is not less than the thickness of the corresponding transverse end of the second longitudinal column 22, and the width of the second clamping groove 32 from the right edge of the ALC prefabricated wallboard 1 is not less than the width of the transverse end of the second longitudinal column 22;
milling a third clamping groove 33 at the position, corresponding to the connecting plate 23, of the tail of the ALC prefabricated wallboard 1, wherein the upper end and the lower end of the third clamping groove 33 are communicated with the first clamping groove 31 and the second clamping groove 32, and the width of the second clamping groove 33 is not smaller than that of the connecting plate 23.
Example 2:
as shown in fig. 9, in embodiment 2, compared with embodiment 1, the U-shaped connecting member 5 is provided on the inner side of the connecting plate 23, the U-shaped connecting member 5 includes two free ends and a closed end, the closed end of the U-shaped connecting member 5 is fixedly connected with the connecting plate 23 of the reinforcing member 2, and the two free ends face the side far away from the reinforcing member 2.
As the preferred technical scheme of the invention, two free ends of the U-shaped connecting piece 5 are respectively and fixedly connected with one ends of the transverse reinforcing steel bars 6 corresponding to the upper layer and the lower layer.
As a preferred technical scheme of the invention, the fixed connection mode of the U-shaped connecting piece 5 and the transverse steel bar 6 is welding.
As shown in fig. 11, a first anchor hole 8 is provided on the closed end of the U-shaped connecting member 5, a second anchor hole 9 is provided on the connecting plate 23 at a position corresponding to the first anchor hole 8, and the U-shaped connecting member 5 and the connecting plate 23 are fixedly connected by the metal anchor 4.
The method for manufacturing the ALC prefabricated wallboard comprises the following steps of:
as shown in fig. 10, before the ALC is poured into the mold in the first step, the U-shaped connecting member 5 is placed between the upper and lower layers of reinforcing mesh sheets, the closed end of the U-shaped connecting member 5 is close to one side of the groove 11, and two free ends of the U-shaped connecting member 5 are respectively fixedly connected with one end of two transverse reinforcing bars 6 which are arranged in parallel and up and down;
step two: as shown in fig. 2 and 3, a reinforcing member 2 is manufactured, wherein the reinforcing member 2 comprises a first longitudinal column 21, a second longitudinal column 22 and a connecting plate 23 which is distributed between the first longitudinal column 21 and the second longitudinal column 22 at intervals;
step three: as shown in fig. 4-7, a first clamping groove 31 corresponding to the first vertical column 21, a second clamping groove 32 corresponding to the second vertical column 22, and a third clamping groove 33 corresponding to the connecting plate 23 are milled at the tail end of the ALC prefabricated wall panel 1;
step four: as shown in fig. 9 and 11, the first longitudinal column 21 is clamped into the first clamping groove 31, the second longitudinal column 22 is clamped into the second clamping groove 31, and the connecting portion 23 is clamped into the third clamping groove 33; a first anchor bolt hole 8 is formed in the connecting plate 23, a second anchor bolt hole 9 is formed in the U-shaped connecting piece 5 at a position corresponding to the first anchor bolt hole 8, the diameter of the first anchor bolt hole 8 is not smaller than that of the second anchor bolt hole 9, and the connecting plate 23 is fixedly connected with the U-shaped connecting piece 5 through the first anchor bolt hole 8 and the second anchor bolt hole 9 by using a metal anchor bolt 4.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.