CN115198918A - ALC board mounting method - Google Patents
ALC board mounting method Download PDFInfo
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- CN115198918A CN115198918A CN202210937781.1A CN202210937781A CN115198918A CN 115198918 A CN115198918 A CN 115198918A CN 202210937781 A CN202210937781 A CN 202210937781A CN 115198918 A CN115198918 A CN 115198918A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Architecture (AREA)
- Civil Engineering (AREA)
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Abstract
The invention discloses an ALC board installation method, and relates to the technical field of ALC board construction. In order to improve the construction reliability, the installation method comprises the following steps: s1: preparing a construction technology; s2: preparing materials; s3: constructing an inner wallboard; s4: constructing an external wall panel; s5: repairing and pointing the plate; wherein, the concrete step of interior wallboard construction includes: s31: specific parts of the ALC board wall body are confirmed according to drawing design, and an ALC board deepening design board arrangement drawing is made; s32: cleaning and clearing; cleaning the joint surfaces, the ground and the joint parts of the beams, the columns, the floor slabs and the ALC plates; s33: paying off; and popping up the position lines and the control lines of the wall body and the door opening according to the drawing. The construction process is safe and reliable, the position lines and the control lines of the wall body and the door opening are popped up according to drawings through paying-off work in the construction process, the position lines are ALC plate wall body position lines, and the plates are installed after the position lines are subjected to empirical folding lattices, so that the installation accuracy is guaranteed.
Description
Technical Field
The invention relates to the technical field of ALC (autoclaved lightweight concrete) plate construction, in particular to an ALC plate installation method.
Background
ALC is a short term for autoclaved lightweight concrete, and is one of high-performance autoclaved aerated concrete (ALC). The ALC board is a porous concrete forming board which is formed by taking fly ash (or silica sand), cement, lime and the like as main raw materials and curing the raw materials by high-pressure steam, can be used as a wall material and a roof board, and is a novel building material with excellent performance; in the current ALC plate construction process, the conditions of poor construction precision and poor construction effect exist.
Through retrieval, the Chinese patent with the application number of CN202110974197.9 discloses a construction method for quickly installing an ALC plate, which comprises the steps of pretreating the ALC plate, horizontally placing the ALC plate in a loading area of an installing machine, adjusting the attitude of the ALC plate, installing the ALC plate, separating a lifting frame from a lifting piece and the like; the assembling machine comprises a frame and a rack, wherein the frame comprises a headstock, a tailstock and a plurality of vehicle body single bodies arranged between the headstock and the tailstock, and the headstock, the vehicle body single bodies and the tailstock are sequentially detachably spliced; the frame is detachably connected to the upper end face of the front end of the vehicle head. The construction method in the above patent has the following disadvantages: although certain construction requirements can be met, the conditions of poor construction precision and poor construction effect exist.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an ALC board mounting method.
In order to achieve the purpose, the invention adopts the following technical scheme:
an ALC board installation method, comprising in order:
s1: preparing a construction technology; s2: preparing materials; s3: constructing an inner wallboard; s4: constructing an external wall panel; s5: repairing and pointing the plate;
the construction method of the interior wallboard comprises the following specific steps of:
s31: specific parts of the ALC board wall body are confirmed according to drawing design, and an ALC board deepening design board arrangement drawing is made;
s32: cleaning and clearing; cleaning the joint surfaces, the ground and the joint parts of the beams, the columns, the floor slabs and the ALC plates;
s33: paying off; popping up position lines and control lines of the wall body and the door opening according to a drawing, wherein the position lines are ALC plate wall body position lines, and mounting the plate after the position lines are subjected to empirical folding;
s34: the ALC board is transported vertically and horizontally;
s35: the ALC plate is in place; before hoisting, the ALC board is assembled according to the requirement of a board arrangement drawing, and the length of the board is reduced by 20-30 mm according to the clear height size; then horizontally conveying the ALC plates with the corresponding specification and size required by the construction position to the position near the construction position by using a U-shaped trolley or a small trolley;
s36: the ALC board of the inner wall is installed, corrected and fixed; fixing a winch or an electric hoist on a column by using a steel pipe scaffold when the inner wall is hoisted, ensuring that the winch or the electric hoist is firm and does not swing, anchoring the winch or the electric hoist on an upper beam or a plate of a wall body part to be installed by using an M16 metal expansion bolt as a hoisting point before hoisting, and righting and adjusting the upper position of a plate when a person stands on a lift truck;
s37: and (4) self-checking the plate.
Preferably: in the step S34, the ALC board is transported vertically and horizontally in the following mode: according to the drawing, the ALC board of the lower layer enters the construction area from the safety passage by using a U-shaped trolley or a trolley; the ALC board of the high layer is hung by a tower crane or a truck; during lifting, the ALC plates are firstly lifted to the discharging platform on each layer, and then are respectively transferred to the vicinity of the construction area by the hydraulic trolley to be stacked; the stacking is uniform and cannot be centralized.
Further: in the step S36, the specific requirements of installation, correction, and fixation of the ALC board of the inner wall are as follows:
a: the wallboard installation generally adopts a vertical installation plate (except a door opening beam-passing plate), and the wallboard installation sequence is sequentially installed from the joint with the wall;
b: firstly, knocking the round pipe part of the tube plate into the top and bottom of the ALC plate thickness part 80mm away from the plate end, plastering the upper and lower ends of the wall plate with 1;
c: when the ALC plate is installed, the middle plates of the ALC plate must be tightly squeezed, and no gap is formed;
d: when the ALC board is cut on site, attention needs to be paid to sprinkling water on a cutting seam, so that the generation of dust is reduced;
e: when the panel is installed manually or hoisted by the electric hoist, the ALC panel is bound with the nylon sling, the panel is slowly and vertically erected to the position near the position to be installed manually or by starting the electric hoist, one person pushes the panel on one side, and the other person slightly jacks the panel by using a special crowbar and finely adjusts the panel to the correct position until the panel and the panel are tightly squeezed;
f: and checking calculation of the anti-lateral force of the lift truck is completed during installation.
Further preferred is: the construction method of the external wall panel comprises the following specific steps:
s41: specific parts of the ALC board wall body are confirmed according to drawing design, and an ALC board deepening design board arrangement drawing is made;
s42: cleaning and clearing: cleaning the joint surfaces, the ground and the joint parts of the beams, the columns, the floor slabs and the ALC plates;
s43: paying off: popping up position lines and control lines of the wall body and the door opening according to a drawing, wherein the position lines are ALC plate wall body position lines; mounting the plate after the position line experience folding grid;
s44: manufacturing and installing a reinforcing member;
s45: mounting, correcting and fixing an ALC board of an outer wall;
s46: and (6) self-checking the plate.
As a preferable aspect of the present invention: in the step S45, the ALC board mounting, correcting, and fixing specifically includes the steps of:
s451: when the installation is carried out on the low-rise building, personnel stand on the scaffold for installation, when the installation is carried out on the high-rise building, a hanging basket and a truck crane are adopted, the installation personnel stand on the hanging basket, and the installation plate adopts an installation mode that the truck crane directly hangs a plate for construction; if the external wall panel can be hoisted by the electric hoist, the external wall panel is hoisted and installed by the electric hoist;
s452: marking the hole positions of hook bolts on the ALC board according to the heights of angle irons at the upper end and the lower end of the ALC board on site, and respectively drilling a round hole at the upper end and the lower end of the ALC board by using an electric hammer and reaming;
s453: the ALC external wall panel is installed and hoisted by an electric hoist or a truck crane: firstly, binding a nylon sling at the upper middle part of an ALC plate, starting an electric hoist or an automobile crane to slowly and vertically erect the plate to the position near the position to be installed, then manually using a special crowbar to lightly jack the plate, finely adjusting the plate to a correct position, measuring the flatness of the wall surface by using a guiding rule and a feeler gauge, checking the verticality of the plate by using a 2m wire supporting plate, checking whether the batten is aligned with a pre-bounced positioning line, and whether the batten is on a horizontal plane with an upper plate, a lower plate, a left plate and a right plate;
s454: after the position of the ALC plate is adjusted, hook bolts are placed at round holes at the upper end and the lower end of the ALC plate, hook heads of the hook bolts are welded on angle iron, and welding slag is immediately removed from a welding line after welding and rust-proof treatment is carried out.
Further preferred as the invention: the concrete steps of the plate repairing and pointing are as follows:
s51: after the plates are assembled, pointing after the plates are qualified by inspection;
s52: the jointing agent on the bonding surface is full and the joint is full; the seam is controlled within 3-4 mm;
s53: before the upper end of the board is installed, the pointing agent is smeared, and then the pointing agent is extruded out of slurry and is scraped to be flat;
s54: the vertical joints of the plates are leveled by adopting a pointing agent, the vertical joints of the plates and the columns are filled by adopting special PE (polyethylene) bars or foaming agents, and the vertical joints are leveled by using the pointing agent outside; the upper and lower transverse seams of the plate are filled with a pointing agent and are pointed; the sealant is used along with the preparation of the sealant, and the prepared sealant is used up within 30 min.
As a still further scheme of the invention: the concrete steps of the construction technology preparation comprise:
s11: before the ALC board is installed and constructed, a technician is familiar with drawings seriously, and the construction entity positioning control line and the axis of a construction site are retested by combining a structure diagram and a construction drawing of a single body;
s12: confirming the method for installing the node before construction, wherein the common part of the ALC external wall panel is installed by fixing the node by using a hook bolt, and the external wall panel with a concrete wall on the inner side is installed by fixing the node by using a tube plate; the ALC inner wall plate is installed by adopting a tube plate fixing node;
s13: a professional construction technology responsible person carries out technical background crossing before construction on all constructors;
s14: the drawings of the construction section of each team are familiar before construction.
On the basis of the scheme: the material preparation specifically comprises:
s21: compiling an ALC sheet planning sheet according to the actual dimension of a construction site and the design requirement of a design institute, and ordering the ALC sheet planning sheet to a manufacturer for production after verification and confirmation;
s22: detecting and sampling the ALC plate; the ALC board is a qualified product with cubic compressive strength of A3.5 and dry density of B05 grade; the sampling and testing method of the ALC board test sample block is based on GB/T11969-2008;
s23: the ALC board is transported safely;
s24: unloading the goods by using a forklift or a tower crane after entering the field, unloading and stacking the goods on the tamping flat ground near the construction site;
s25: the ALC board performs incoming inspection and acceptance on the board after entering the field; and the ALC plate is provided with the used pipe clamp and the hook head bolt auxiliary part, and is used after the ALC plate is qualified in the incoming field.
On the basis of the foregoing scheme, it is preferable that: in the S23 step, in the ALC board transportation process, the ALC board is provided with three layers at most in the height direction and is bound firmly when being loaded, gaps among every two piled boards are kept at 13-17 CM, if the transportation exceeds 60 kilometers, wood cushion blocks between foam edge covers and the gaps need to be additionally arranged, and rain-proof cloth needs to be added to prevent the ALC board from absorbing moisture when the ALC board is transported in rainy days.
It is further preferable on the basis of the foregoing scheme that: and in the step S24, the positions, 1/5L away from the plate ends, of two ends of the stacked ALC plates are leveled by using paddings or aerated concrete blocks, when the ALC plates with the thickness of 200mm are stacked, one layer is 3 plates, the two layers are stacked, the height of each stack is not more than 1.5m, when the ALC plates with the thickness of 100mm are stacked, one layer is 6 plates, when the ALC plates with the thickness of 200mm are stacked, one layer is 3 plates, the two layers are stacked, the height of each stack is not more than 1.5m, and the arrangement is neat and orderly.
The invention has the beneficial effects that:
1. the construction process is safe and reliable, and the steel plate can be laid out during the construction process; popping out position lines and control lines of the wall body and the door opening according to a drawing, wherein the position lines are ALC plate wall body position lines, and the installation of the plate is carried out after the position lines are subjected to empirical folding, so that the installation precision is guaranteed; before hoisting, the ALC board is matched according to the requirement of a board arrangement drawing, and the length of the board is reduced by 20-30 mm according to the net height; and the ALC plate with the corresponding specification and size required by the construction position is horizontally transported to the position near the construction position by using a U-shaped trolley or a trolley, so that the installation and construction are more convenient.
2. Before installation and construction, the circular pipe part of the pipe plate is firstly knocked into the position 80mm away from the plate end from the top and the bottom of the ALC plate thickness part, cement mortar or special binder is used for plastering the upper end and the lower end of the wall plate, the side surface (spliced surface) of the wall panel is watered and wetted and then is fully scraped with a pointing agent, and the board seams at the two sides of the joint part of the top and the side edges of the inner wall plate and the main body structure, other walls, columns and beams are plastered solidly by adopting the special pointing agent, so that the construction reliability is guaranteed, and the construction quality is improved.
3. When the ALC external wall panel is installed, a nylon sling is firstly bound at the upper middle part of the ALC panel, an electric hoist or an automobile crane is started to slowly and vertically erect the panel to be installed nearby a part needing to be installed, then a special crowbar is manually used for lightly jacking the panel, fine adjustment is carried out to the correct position, the flatness of the wall surface is measured by a guiding rule and a feeler gauge, the perpendicularity of the panel is checked by a 2m wire supporting plate, and whether a batten is aligned with a pre-bounced positioning line or not is checked to be on the same horizontal plane with the upper, lower, left and right panels; construction precision is further guaranteed, and construction quality is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and the description of the exemplary embodiments of the present application are provided for explaining the present application and do not constitute an undue limitation on the present application. In the drawings:
FIG. 1 is a first schematic diagram illustrating the hoisting construction of an inner wall panel in the ALC panel installation method provided by the present invention;
FIG. 2 is a second schematic diagram of the construction of hoisting the inner wall panel in the ALC panel installation method provided by the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, 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 only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1:
an ALC board installation method sequentially comprises the following steps:
s1: preparing a construction technology; s2: preparing materials; s3: constructing an inner wallboard; s4: constructing an external wall panel; s5: repairing and pointing the plate;
wherein, the concrete step of interior wallboard construction includes:
s31: specific parts of the ALC board wall body are confirmed according to drawing design, and an ALC board deepening design board arrangement drawing is made;
s32: cleaning and clearing; cleaning the joint surfaces of the beam, the column, the floor slab and the ALC plate and the ground; after the construction part is checked and accepted, the joint part of the wall board, the ground and the wall surface is cleaned, floating ash, sand, soil, crisp skin and the like are removed, mortar, concrete blocks and the like protruding out of the wall surface are removed and cleaned, and the joint part is cleaned;
s33: paying off; popping up position lines and control lines of the wall body and the door opening according to a drawing, wherein the position lines are ALC plate wall body position lines, and mounting the plate after the position lines are subjected to empirical folding;
s34: carrying out vertical and horizontal transportation on the ALC board;
s35: the ALC board is in place; before hoisting, the ALC board is matched according to the requirement of a board arrangement drawing, and the length of the board is reduced by 20-30 mm according to the net height; then horizontally conveying the ALC plates with the corresponding specification and size required by the construction position to the position near the construction position by using a U-shaped trolley or a small trolley;
s36: mounting, correcting and fixing an ALC plate on the inner wall; fixing a winch or an electric hoist on a column by using a steel pipe scaffold when the inner wall is hoisted, ensuring that the winch or the electric hoist is firm and does not swing, anchoring the winch or the electric hoist on an upper beam or a plate of a wall body part to be installed by using an M16 metal expansion bolt as a hoisting point before hoisting, and righting and adjusting the upper position of a plate when a person stands on a lift truck;
s37: and (4) self-checking the plate.
In the step S34, the ALC board is transported vertically and horizontally in the following manner: according to the drawing, the ALC board of the lower layer enters the construction area from the safety passage by using a U-shaped trolley or a trolley; tower cranes or truck cranes (25 tons or 100 tons) are used for the ALC boards on the high layer; during lifting, the ALC plates are firstly lifted and conveyed to the unloading platform on each layer, and then the ALC plates are respectively conveyed to the vicinity of a construction area by a 1.5-ton hydraulic trolley to be stacked; the ALC plates are stacked on the floor, the size and the specification of the plates need to be reasonably distributed, the stacking needs to be uniform, and the plates cannot be stacked in a centralized manner.
In order to perform better installation and construction, in the step S36, the specific requirements of installation, correction and fixation of the ALC plate of the inner wall are as follows:
a: the wallboard installation generally adopts a vertical installation plate (except a door opening beam-passing plate), and the wallboard installation sequence is sequentially installed from the joint with the wall;
b: firstly, knocking the round pipe part of the tube plate into the top and bottom of the ALC plate thickness part 80mm away from the plate end, plastering the upper and lower ends of the wall plate with 1;
c: when the ALC plate is installed, the middle plates of the ALC plate must be tightly squeezed, and no gap is formed;
d: when the ALC board is cut on site, attention needs to be paid to sprinkling water on a cutting seam, so that the generation of dust is reduced;
e: when the plate is manually installed or hoisted by the electric hoist, nylon suspenders (bearing 1 ton) are bound on the ALC plate, the plate is slowly and vertically erected to the position needing to be installed by the manual or starting the electric hoist, one person pushes the plate on one side, the other person slightly jacks the plate by using a special crowbar, and the plate is finely adjusted and moved to the correct position until the plate and the plate are tightly squeezed;
f: and checking the lateral force resistance of the lift car during installation.
The construction of the outer wall is facilitated; the construction method of the external wall panel comprises the following specific steps:
s41: specific parts of the ALC board wall body are confirmed according to drawing design, and an ALC board deepening design board arrangement drawing is made;
s42: cleaning and clearing: cleaning the joint surfaces of the beam, the column, the floor slab and the ALC plate and the ground; after the construction part is checked and accepted, the joint part of the wall board, the ground and the wall surface is cleaned, floating ash, sand, soil, crisp skin and the like are removed, mortar, concrete blocks and the like protruding out of the wall surface are removed and cleaned, and the joint part is cleaned;
s43: paying off: popping up position lines and control lines of the wall body and the door opening according to a drawing, wherein the position lines are ALC plate wall body position lines; mounting the plate after the position line experience folding grids;
s44: manufacturing and installing a reinforcing member;
s45: mounting, correcting and fixing an ALC board of an outer wall;
s46: and (6) self-checking the plate.
For better installation and construction; in the step S45, the ALC board mounting, correcting, and fixing specifically includes the following steps:
s451: when the installation is carried out on the low-rise building, personnel stand on a scaffold for installation, when the installation is carried out on the high-rise building, a hanging basket and a truck crane (25 tons or 100 tons) are adopted, the installation personnel stand on the hanging basket, and the installation plate adopts an installation mode that the truck crane directly hangs a plate for construction; if the external wall panel can be hoisted by adopting the electric hoist, the external wall panel is hoisted and installed by the electric hoist;
s452: marking the hole positions of hook bolts on the ALC board according to the heights of angle irons at the upper end and the lower end of the ALC board on site, and respectively drilling a round hole at the upper end and the lower end of the ALC board by using an electric hammer and reaming;
s453: the ALC external wall panel is installed and hoisted by an electric hoist or a truck crane: firstly, a nylon hanging strip (bearing 1 ton) is tied at the upper middle part of an ALC plate, an electric hoist or an automobile crane is started to slowly and vertically erect the plate to be close to a position needing to be installed, then the plate is slightly jacked up by a special crowbar manually, fine adjustment is carried out to the correct position, a 2m guiding rule and a feeler gauge are used for measuring the flatness of a wall surface, a 2m wire supporting plate is used for checking the verticality of the plate, whether a batten is aligned to a pre-bounced positioning line or not is checked, and whether the batten is on the same horizontal plane with an upper plate, a lower plate and a left plate or a right plate or not is checked;
s454: after the position of the ALC plate is adjusted, hook bolts (L = 210) are placed at circular holes at the upper end and the lower end of the ALC plate, the hook heads of the hook bolts (L = 210) are welded on angle iron L63 multiplied by 6, welding slag is immediately removed from welding seams after welding, and rust prevention treatment is carried out.
In order to guarantee the construction quality; the concrete steps of the plate repairing and pointing are as follows:
s51: after the plates are assembled, jointing the plates after the plates are qualified by inspection and acceptance;
s52: the jointing agent on the bonding surface is full and the joint is full; the seam is controlled within 3-4 mm;
s53: before the upper end of the board is installed, the pointing agent is smeared, and then the pointing agent is extruded out of slurry and is scraped to be flat;
s54: the vertical joints of the plates are leveled by adopting a pointing agent, the vertical joints of the plates and the columns are filled by adopting special PE (polyethylene) bars or foaming agents, and the vertical joints are leveled by using the pointing agent outside; the upper and lower transverse seams of the plate are filled with a pointing agent and are pointed; the sealant is used along with the preparation of the sealant, and the prepared sealant is used up within 30 min.
Example 2:
an ALC board installation method is convenient for preparation of construction technology; the concrete steps of the construction technology preparation comprise:
s11: before the ALC board is installed and constructed, a technician is familiar with drawings seriously, and the construction entity positioning control line and the axis of a construction site are retested by combining a structure diagram and a construction drawing of a single body;
s12: confirming the method for installing the node before construction, wherein the common part of the ALC external wall panel is fixed by a hook bolt for node installation, and the external wall panel with a concrete wall on the inner side is installed by a tube plate fixed node; the ALC inner wallboard is installed by adopting a pipe plate fixing node;
s13: a professional construction technology responsible person carries out technical background crossing before construction on all constructors;
s14: the drawings of the construction section of each team are familiar before construction.
In order to prepare the material; the material preparation specifically comprises the following steps:
s21: according to the actual dimension measured by the construction site and the design requirement of a design institute, an ALC plate planning sheet is compiled, and after verification and confirmation, the ALC plate planning sheet is ordered to be produced by a manufacturer;
s22: detecting and sampling by an ALC plate; the ALC board is a qualified product with cubic compressive strength of A3.5 and dry density of B05 grade; the sampling and testing method of the ALC board test sample block is based on GB/T11969-2008;
s23: the ALC board is transported safely;
s24: unloading the goods by using a forklift or a tower crane after entering the field, unloading and stacking the goods on the tamping flat ground near the construction site;
s25: the ALC board performs incoming inspection and acceptance on the board after entering the field; and the ALC plate is provided with the used pipe clamp and hook head bolt auxiliary parts, and is used after the acceptance of the ALC plate in the field is passed.
In the S23 step, in the ALC board transportation process, the ALC boards are packaged at most three layers in the height direction and are bound firmly when being loaded, gaps among every two stacked boards are kept at 13-17 CM, if the transportation exceeds 60 kilometers, a foam edge covering and a wood cushion block between the gaps need to be additionally installed, and rain-proof cloth needs to be covered to prevent the ALC boards from absorbing moisture when being transported in rainy days; good binding measures are applied during transportation, the bag needs to be horizontally placed during transportation, can not be singly padded up, and the hard warping of the shoulder is strictly prohibited
In the step S24, the positions, 1/5L away from the plate ends, of two ends of the stacked ALC plates are leveled by using paddings or aerated concrete blocks, when the ALC plates with the thickness of 200mm are stacked, one layer is 3 plates, the two layers are stacked, the height of each stack is not more than 1.5m, when the ALC plates with the thickness of 100mm are stacked, one layer is 6 plates, when the ALC plates with the thickness of 200mm are stacked, one layer is 3 plates, the two layers are stacked, the height of each stack is not more than 1.5m, and the arrangement is neat and orderly.
The ALC board enters a construction site, lightens the lightering, and cannot be adjusted and moved in a long distance after being erected so as to prevent shuttle shortage and angle drop; before installation, the damaged position and the damaged degree of the wallboard are checked, the damage affecting the structural endurance of the wallboard is scrapped, a base layer of the damaged part of the wallboard is cleaned during repair, the repair thickness is not more than 7mm every time, and after the repair is finished, the appearance size is corrected by using a steel tooth grinding plate and a grinding plate after the strength of a repair material reaches the required strength; the corners of the wallboard during the installation process can be repaired after the wallboard is installed in sequence, and the wall surfaces around the wallboard are not polluted during the repair; protection measures such as laying, binding and the like should be taken for the product which can cause pollution and damage in the next procedure construction.
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, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An ALC board installation method is characterized by sequentially comprising the following steps:
s1: preparing a construction technology; s2: preparing materials; s3: constructing an inner wallboard; s4: constructing an external wall panel; s5: repairing and pointing the plate;
wherein, the concrete step of interior wallboard construction includes:
s31: specific parts of the ALC board wall body are confirmed according to drawing design, and an ALC board deepening design board arrangement drawing is made;
s32: cleaning and clearing; cleaning the joint surfaces, the ground and the joint parts of the beams, the columns, the floor slabs and the ALC plates;
s33: paying off; popping up position lines and control lines of the wall body and the door opening according to a drawing, wherein the position lines are ALC plate wall body position lines, and mounting the plate after the position lines are subjected to empirical folding;
s34: the ALC board is transported vertically and horizontally;
s35: the ALC board is in place; before hoisting, the ALC board is assembled according to the requirement of a board arrangement drawing, and the length of the board is reduced by 20-30 mm according to the clear height size; then horizontally conveying the ALC plates with the corresponding specification and size required by the construction position to the position near the construction position by using a U-shaped trolley or a small trolley;
s36: mounting, correcting and fixing an ALC plate on the inner wall; fixing a winch or an electric hoist on a column by using a steel pipe scaffold when the inner wall is hoisted, ensuring that the winch or the electric hoist is firm and does not shake, anchoring the winch or the electric hoist on an upper beam or a plate of a wall part to be installed by using an M16 metal expansion bolt as a hoisting point before hoisting, and righting and adjusting the upper position of a plate when a person stands on a lift truck;
s37: and (4) self-checking the plate.
2. An ALC board installation method as claimed in claim 1, wherein in the step S34, the ALC board is transported vertically and horizontally by: according to the drawing, the ALC board of the lower layer enters the construction area from the safety passage by using a U-shaped trolley or a trolley; the ALC board of the high layer is hung by a tower crane or a truck; during lifting, the ALC plates are firstly lifted to the discharging platform on each layer, and then are respectively transferred to the vicinity of the construction area by the hydraulic trolley to be stacked; the stacking is uniform and cannot be centralized.
3. An ALC board installation method according to claim 2, wherein in the step S36, the specific requirements of installation, correction and fixation of the ALC board on the inner wall are as follows:
a: the wallboard installation generally adopts a vertical installation plate (except for a door opening beam-passing plate), and the wallboard installation sequence is sequentially installed from the joint with the wall;
b: firstly, knocking the round pipe part of the tube plate into the top and bottom of the ALC plate thickness part 80mm away from the plate end, plastering the upper and lower ends of the wall plate with 1;
c: when the ALC plate is installed, the middle plates of the ALC plate must be tightly squeezed, and no gap is formed;
d: when the ALC board is cut on site, attention needs to be paid to sprinkling water on a cutting seam, so that the generation of dust is reduced;
e: when the panel is manually installed or hoisted by the electric hoist, the ALC board is bound with the nylon hanging strip, the electric hoist is manually or started to slowly and vertically erect the board to be close to the position to be installed, one person pushes the board on one side, the other person slightly jacks the board by using a special crowbar, and the board is finely adjusted and moved to the correct position until the board is tightly squeezed with the board;
f: and checking the lateral force resistance of the lift car during installation.
4. The ALC board installation method of claim 3, characterized in that the concrete steps of the external wall panel construction include:
s41: specific parts of the ALC board wall are confirmed according to drawing design, and an ALC board deepening design board arrangement drawing is made;
s42: cleaning and clearing: cleaning the joint surfaces, the ground and the joint parts of the beams, the columns, the floor slabs and the ALC plates;
s43: paying off: popping up position lines and control lines of the wall body and the door opening according to a drawing, wherein the position lines are ALC plate wall body position lines; mounting the plate after the position line experience folding grid;
s44: manufacturing and installing a reinforcing member;
s45: mounting, correcting and fixing an ALC board of an outer wall;
s46: and (4) self-checking the plate.
5. An ALC board mounting method as claimed in claim 4, wherein the step of S45, the ALC board mounting, correcting and fixing specifically includes the steps of:
s451: when the installation is carried out on a low-rise building, personnel stand on the scaffold for installation, when the installation is carried out on a high-rise building, a hanging basket and a truck crane are adopted, the installation personnel stand on the hanging basket, and the installation plate adopts an installation mode that the truck crane directly hangs a plate for construction; if the external wall panel can be hoisted by the electric hoist, the external wall panel is hoisted and installed by the electric hoist;
s452: marking the eye position of a hook bolt on the ALC plate according to the height of angle irons at the upper end and the lower end of the ALC plate on site, and respectively drilling a round hole at the upper end and the lower end of the ALC plate by using an electric hammer and expanding the round holes;
s453: the ALC external wall panel is installed and hoisted by an electric hoist or a truck crane: firstly binding a nylon lifting belt on the upper middle part of an ALC plate, starting an electric hoist or an automobile crane to slowly and vertically erect the plate to the position near the position needing to be installed, then manually using a special crowbar to lightly jack the plate, finely adjusting the plate to a correct position, measuring the flatness of the wall surface by using a guiding rule and a feeler gauge, checking the perpendicularity of the plate by using a 2m wire supporting plate, checking whether the batten is aligned with a pre-bounced positioning line, and whether the batten and the upper, lower, left and right plates are on the same horizontal plane;
s454: after the position of the ALC plate is adjusted, hook bolts are placed at round holes at the upper end and the lower end of the ALC plate, hook heads of the hook bolts are welded on angle iron, and welding slag is immediately removed from a welding line after welding and rust-proof treatment is carried out.
6. An ALC board mounting method according to claim 5, characterized by the concrete steps of the board material repairing and pointing are:
s51: after the plates are assembled, jointing the plates after the plates are qualified by inspection and acceptance;
s52: the jointing agent on the bonding surface is full and the joint is full; the seam is controlled within 3-4 mm;
s53: before the upper end of the board is installed, the pointing agent is smeared, and then the pointing agent is extruded out of slurry and is scraped to be flat;
s54: the vertical joints of the plates are leveled by adopting a pointing agent, the vertical joints of the plates and the columns are filled by adopting special PE (polyethylene) bars or foaming agents, and the vertical joints are leveled by using the pointing agent outside; the upper and lower transverse seams of the plate are filled with a pointing agent and are pointed; the jointing agent is prepared for use at any time, and the prepared jointing agent is used up within 30 min.
7. An ALC board installation method according to claim 6, wherein the concrete step of construction technique preparation includes:
s11: before the ALC board is installed and constructed, a technician is familiar with drawings seriously, and the construction entity positioning control line and the axis of a construction site are retested by combining a structure diagram and a construction drawing of a single body;
s12: confirming the method for installing the node before construction, wherein the common part of the ALC external wall panel is installed by fixing the node by using a hook bolt, and the external wall panel with a concrete wall on the inner side is installed by fixing the node by using a tube plate; the ALC inner wall plate is installed by adopting a tube plate fixing node;
s13: a professional construction technology responsible person carries out technical background crossing before construction on all constructors;
s14: the drawings of the construction section of each team are familiar before construction.
8. An ALC board installation method as claimed in claim 7, wherein the material preparation is specifically:
s21: compiling an ALC sheet planning sheet according to the actual dimension of a construction site and the design requirement of a design institute, and ordering the ALC sheet planning sheet to a manufacturer for production after verification and confirmation;
s22: detecting and sampling by an ALC plate; the ALC board is a qualified product with cubic compressive strength of A3.5 and dry density of B05 grade; the sampling and testing method of the ALC board test sample block is based on GB/T11969-2008;
s23: the ALC board is transported safely;
s24: after entering the field, unloading by using a forklift or a tower crane, unloading and stacking on a rammed flat ground near a construction site;
s25: the ALC board performs incoming inspection and acceptance on the board after entering the field; and the ALC plate is provided with the used pipe clamp and hook head bolt auxiliary parts, and is used after the acceptance of the ALC plate in the field is passed.
9. The ALC board installation method according to claim 8, characterized in that in the step S23, during ALC board transportation, at most three layers of ALC boards are installed in the height direction and firmly bound, gaps among every two piled boards should be kept 13-17 CM, if transportation exceeds 60 kilometers, a foam edge covering and a wood cushion block between the gaps need to be installed, and rain-proof cloth needs to be covered to prevent the ALC boards from absorbing moisture in rainy days.
10. An ALC board installation method according to claim 9, characterized in that in the step S24, the two ends are leveled by the paddings or aerated concrete blocks 1/5L away from the board ends during stacking, ALC boards with thickness of 200mm are stacked with one layer of 3 boards and two layers of one, the height of each stack is not more than 1.5m, ALC boards with thickness of 100mm are stacked with one layer of 6 boards, ALC boards with thickness of 200mm are stacked with one layer of 3 boards and two layers of one stack, the height of each stack is not more than 1.5m, and the arrangement is neat and orderly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210937781.1A CN115198918A (en) | 2022-08-05 | 2022-08-05 | ALC board mounting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210937781.1A CN115198918A (en) | 2022-08-05 | 2022-08-05 | ALC board mounting method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499091A (en) * | 2016-11-22 | 2017-03-15 | 中国建筑第七工程局有限公司 | A kind of assembling type partition wall construction method based on ALC plates |
| CN111576890A (en) * | 2020-05-28 | 2020-08-25 | 重庆市中科大业建筑科技有限公司 | Construction method of assembled ALC partition wall |
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2022
- 2022-08-05 CN CN202210937781.1A patent/CN115198918A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499091A (en) * | 2016-11-22 | 2017-03-15 | 中国建筑第七工程局有限公司 | A kind of assembling type partition wall construction method based on ALC plates |
| CN111576890A (en) * | 2020-05-28 | 2020-08-25 | 重庆市中科大业建筑科技有限公司 | Construction method of assembled ALC partition wall |
Non-Patent Citations (1)
| Title |
|---|
| 张建强等 * |
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