CN111042546A - Light steel building construction method - Google Patents
Light steel building construction method Download PDFInfo
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- CN111042546A CN111042546A CN201911337522.XA CN201911337522A CN111042546A CN 111042546 A CN111042546 A CN 111042546A CN 201911337522 A CN201911337522 A CN 201911337522A CN 111042546 A CN111042546 A CN 111042546A
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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
- 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
- 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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- 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
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
Abstract
The invention discloses a light steel building construction method, which adopts the technical scheme that the method comprises the following steps: a. building an assembly platform; b. assembling a framework; c. packaging and transporting; d. stacking on site; e. measuring and paying off; f. installing a single wall body; g. temporary support arrangement; h. correcting the wall body; i. connecting the wall bodies on the same layer; j.X type shear support; k. tensile connection; l, shear connection; m, mounting a wall panel; n, mounting a gypsum board; o, filling heat preservation and sound insulation cotton; p, pasting the breathing paper; q, floor slab installation; r, connecting the upper layer wall body and the lower layer wall body; the panel concatenation is through adding on the wall skeleton and establishing X type shear force support, tensile connection and shear connection, great improvement the intensity of wall skeleton itself, need not to increase wall strength at the middle of the wall body work progress pouring concrete, great time of shortening the construction.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a light steel building construction method.
Background
At present, building construction is generally divided into brick-concrete masonry structure, reinforced concrete structure and steel structure according to the structure, wherein the steel structure building is divided into common steel structure building and light steel structure building, and the light steel structure building is widely applied to low-rise and multi-story buildings at home and abroad due to the advantages of thin wall, light weight, high installation speed, good anti-seismic performance, convenient pipeline arrangement and the like.
In the prior art, the chinese patent document with the publication number of CN101560797B discloses a wall of a light steel structure and a construction method thereof, during construction, two sides of a ladder-shaped column are connected with a non-dismantling formwork net, a concrete casting layer is filled in a cavity of a wall member, and then cement mortar is smeared on the outer side of the non-dismantling formwork net.
In the existing construction method, a light steel structure is used as a rib, then a wall body is formed by using a concrete pouring mode, and in the actual wall body construction process, operations such as concrete pouring, concrete wall body curing and the like need to be carried out, so that the construction time is greatly prolonged.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a light steel building construction method, which greatly improves the strength of a wall framework by additionally arranging an X-shaped shear support, a tensile connection and a shear connection on the wall framework, does not need to pour concrete in the wall construction process to increase the strength of the wall, and greatly shortens the construction time.
In order to achieve the purpose, the invention provides the following technical scheme: a construction method of a light steel building comprises the following steps:
a. building an assembly platform: before assembling the wall framework, a working platform for assembling the wall framework needs to be built;
b. assembling a framework: assembling the wall framework on the working platform;
c. packaging and transporting: after the wall framework is assembled, the labels are pasted in a classified mode and are transported to a construction site by a transport vehicle;
d. and (4) field stacking: after the packed assembled wall body framework is transported to a construction site, hoisting the wall body framework from a transport vehicle by utilizing hoisting equipment for stacking;
e. and (3) measurement and paying-off: before installing the wall framework, measuring and lofting the relevant positioning axis of the wall on a construction drawing on a foundation;
f. and (3) mounting a single wall: when the monolithic wall is installed, a specific sequence is required to be installed, clockwise or anticlockwise rapid installation is selected, an outer wall is installed firstly during installation, then an inner wall is installed, and during installation, the monolithic wall is carried to a position corresponding to a serial number according to the serial number on a wall framework before;
g. temporary support setting: after the wall body is erected, firstly fixing a short upright post on the ground, and then connecting the bottom end of the temporary support with the short upright post;
h. wall correction: after the temporary support is built, the wall skeleton needs to be corrected, and the corrected content comprises the levelness, the verticality and the like of the wall;
i. connecting the same-layer walls: the joint of the wall bodies on the same layer is fixed by self-drilling screws, and the top of each wall body is connected by a jointed board with the same thickness as the wall skeleton;
j.X type shear support: after the connection of one layer of wall skeleton is finished, arranging X-shaped central support structures on the wall to support the wall in a shearing manner, wherein each X-shaped central support structure consists of two shearing rods which are mutually crossed into an X shape, and two ends of each shearing rod are fixed on the wall through automatic screws;
k. tensile connection: the method comprises the following steps of performing anti-pulling reinforcement at a corner of a wall, wherein the anti-pulling reinforcement is formed by adopting anti-pulling connection and an anti-pulling anchor bolt, the anti-pulling anchor bolt is usually an anchor bolt with the specification of M16, an included angle of 25-30 degrees is formed between the anti-pulling anchor bolt and the wall, and one end of the bottom of the anti-pulling anchor bolt is fixed on the ground; when the anti-pulling piece is connected with the wall upright post, the anti-pulling piece is fixed by a hexagon head self-tapping screw;
l. shear connection: the shear-resistant connection is arranged on the wall body and consists of a shear-resistant reinforcing part and a shear-resistant anchor bolt, the shear-resistant anchor bolt is an anchor bolt with the specification of M12, the shear-resistant anchor bolt is parallel to the wall body, the shear-resistant anchor bolt and the ground form an included angle of 40-45 degrees, and the end part of the shear-resistant anchor bolt is fixed on a guide rail of a wall body framework; the joint of the shear resistant reinforcing member and the wall body is connected by a self-drilling screw;
m, mounting a wall panel: the wall panel structure adopts an oriented strand board with the thickness of 12mm, and the wall panels are positioned on the inner side of the outer wall body and the two sides of the inner wall body;
n, gypsum board installation: the gypsum board is a double-layer gypsum board with the thickness of 9mm, and the gypsum board is arranged on the outer side of the wall body framework;
o. thermal insulation, soundproof cotton filling: the heat insulation material of the outer wall body is filled between the gypsum board and the shaving board, and the heat insulation material of the inner wall body is filled between the two layers of shaving boards;
p, pasting the breathing paper: fixing a layer of breathing paper on the shaving board;
and q, floor slab installation: after the first layer of wallboard is installed, hoisting the floor slab, and installing the floor slab beam and the upright post of the wall body framework by adopting self-tapping screws when the floor slab is installed;
r, connecting the upper layer wall and the lower layer wall: in order to improve the integrity and horizontal shear resistance of the wall body, the upper and lower wall plate frameworks are connected by strip-shaped connecting pieces, the strip-shaped connecting pieces are parallel to the wall plate frameworks, the strip-shaped connecting pieces are arranged on two sides of the wall body frameworks, the specification of the strip-shaped connecting pieces is 900mm x 80mm x 1mm, and the connecting positions of the connecting plates and the upright posts of the upper and lower wall plate frameworks are fixed by a plurality of screws; the shear-resistant and tensile structures of the upper wall framework are connected to the floor slab;
s. panel splicing: adopt the mode of staggered joint concatenation when wall body panel splices, concatenation seam department sets up the connection steel band and connects, and at the junction of upper and lower floor, should lay wall body panel in succession, avoids appearing the seam in the junction of upper and lower floor.
Through adopting above-mentioned technical scheme, when carrying out the installation of wall skeleton, add on wall skeleton and establish X type shear force support, tensile connection and shear connection, great improvement the intensity of wall skeleton itself, need not to increase wall body intensity at the middle pouring concrete of wall body work progress to the time of concrete placement and later stage maintenance has been saved, thereby great time of shortening the wall body construction.
The invention is further configured to: in the step a, after the working platform is built, the surface of the working platform needs to be leveled, so that the surface of the working platform is smooth and is fixed.
By adopting the technical scheme, the flatness of the surface of the working platform is controlled, so that the gravity center lines of the components assembled on the working platform are on the same horizontal plane, and the assembling error generated in the assembling process is reduced.
The invention is further configured to: and in the step b, the wall body framework is assembled according to the size and the position marked by the drawing strictly, so that the assembling error is ensured not to exceed +/-2 mm, the surrounding keels of the wall body are fixed firstly when the wall body is assembled, the diagonal size is measured accurately, the inner upright columns are assembled one by one, and when the upright columns are fixed with the wall body guide rail, the positions are accurately fixed by using locking pliers or special positioning clamps, and the gaps are not required to exceed 1 mm.
Through adopting above-mentioned technical scheme, carry out the fixed of fossil fragments all around earlier, carrying out the installation of inside stand, produced error in the middle of can reducing the process of installation improves the precision of installation.
The invention is further configured to: in the step d, when the wall frameworks are stacked, classified stacking is carried out according to different types, and when the wall frameworks are stacked, square timbers need to be additionally arranged on the ground.
Through adopting above-mentioned technical scheme, through subaerial square timber that adds the pad, prevent that the assembly wall body of bottom from producing the deformation because of receiving inhomogeneous extrusion, stack through classifying the wall skeleton according to the different grade type for can be quick in the construction find relevant component.
The invention is further configured to: and g, at least one temporary support is arranged on each wall framework for supporting, the temporary supports are additionally required to be additionally arranged at weak positions such as a door frame, and inclined supports are arranged on the inner side or the outer side of a diagonal line of the wall.
Through adopting above-mentioned technical scheme, through setting up interim support, can improve the intensity of wall body, prevent in the middle of the process of carrying out the construction, the skew takes place for the position of wall body.
The invention is further configured to: in the step m, the wall body panel is connected with the wall body upright post by adopting a cross flat head self-drilling self-tapping screw, the distance between the self-tapping screw at the edge part and the joint of the wall body panel is not more than 150mm, and the distance between the self-tapping screws close to the center position is not more than 300 mm; when the installation, guarantee that all stands of wall body skeleton all are connected with the shingle nail.
By adopting the technical scheme, the self-tapping screws can be ensured to firmly fix the wall panel on the wall upright column by controlling the mounting intervals of the self-tapping screws.
The invention is further configured to: in the step n, when the double-layer gypsum board is connected with the wall upright post, the double-layer gypsum board is connected by adopting cross flat head self-drilling self-tapping screws, the distance between the self-tapping screws at the edge part and the joint of the gypsum board is not more than 150mm, and the distance between the self-tapping screws close to the center position is not more than 300 mm.
Through adopting above-mentioned technical scheme, through the installation interval of control self-tapping screw, can guarantee that the gypsum board can be firm fix on the wall body stand.
The invention is further configured to: in the step p, the breathing paper is fixed on the shaving board through the stacking nails, the breathing paper is gradually constructed from bottom to top when being fixed, the edge between the upper layer of breathing paper and the lower layer of breathing paper is overlapped by 100mm, the distance between the two stacking nails is 150mm when the breathing paper at the overlapped part is installed, and the distance between the rest stacking nails is 300 mm; when meeting door and window trompil department, all sides all need reserve not less than 100mm wide breathing paper scroll limit and roll over to the windowsill or on the side of window.
Through adopting above-mentioned technical scheme, through the interval of control flat nail installation, can be with breathing the firm fixing on the shaving board of paper to overlap through the edge, make to be difficult to leave the gap between the adjacent breathing paper.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the X-shaped shear supports, the tensile connection and the shear connection are additionally arranged on the wall framework, so that the strength of the wall framework is greatly improved, the strength of the wall is increased without pouring concrete in the wall construction process, and the construction time is greatly shortened;
2. the invention can improve the strength of the wall body by supporting during the arrangement, and prevent the position of the wall body from deviating in the construction process.
Detailed Description
Example (b): a construction method of a light steel building comprises the following steps:
a. building an assembly platform: before the wall body framework is assembled, a working platform for assembling the wall body framework needs to be built, after the working platform is built, the surface of the working platform needs to be measured and leveled, the surface of the working platform is guaranteed to be smooth, the working platform is fixed, the component gravity center line is guaranteed to be on the same horizontal plane when the wall body framework is assembled, and the error is guaranteed not to be larger than 3 mm;
b. assembling a framework: assembling the wall framework on a working platform, wherein the wall framework is assembled according to the size and the position marked by a drawing strictly during assembling, so that the assembling error is not more than +/-2 mm, when the wall is assembled, the surrounding keels of the wall are fixed, the diagonal size is measured, then the internal upright columns are assembled one by one, when the upright columns are fixed with the wall guide rail, the positions are accurately fixed by using locking pliers or special positioning clamps, and the gap is not more than 1 mm; assembling the wall framework in a factory;
c. packaging and transporting: after the wall framework is assembled, the labels are pasted in a classified mode, the wall framework is placed and packaged according to the classification mode, and then the wall framework is transported to a construction site by a transport vehicle;
d. and (4) field stacking: after the packed assembled wall body framework is transported to a construction site, the wall body framework is hoisted from a transport vehicle by utilizing hoisting equipment to be stacked, and the wall body framework is stacked according to different types in a classified manner during stacking, so that related components can be quickly found during installation; during stacking, square timbers need to be additionally arranged on the ground to prevent the assembled wall body at the bottom from deforming due to uneven extrusion;
e. measuring and paying off and paving a moisture-proof pad: before installing the wall framework, measuring and lofting the relevant positioning axis of the wall on a construction drawing on a foundation; then, a layer of PVC foam strip is laid on the wall foot, and the PVC foam strip is kept flat when being laid;
f. and (3) mounting a single wall: when the monolithic wall is installed, a specific sequence is required to be installed, clockwise or anticlockwise rapid installation is selected, an outer wall is installed firstly during installation, then an inner wall is installed, and during installation, the monolithic wall is carried to a position corresponding to a serial number according to the serial number on a wall framework before; before installation, checking the size of a wall framework, checking whether diagonals are equal and sides are square, and then erecting the wall on a foundation;
g. temporary support setting: after the wall body is erected, firstly fixing a short upright post on the ground, then connecting the bottom end of a temporary support with the short upright post, arranging at least one temporary support on each wall body framework for supporting, additionally arranging the temporary support at weak positions such as a door frame and the like, and arranging an inclined support on the inner side or the outer side of a diagonal line of the wall body in order to ensure the integrity of the whole wall body;
h. wall correction: after the temporary support is built, the wall framework needs to be corrected, the corrected content comprises the levelness, the verticality and the like of the wall, and the error of the verticality of the wall is controlled within +/-3 mm;
i. connecting the same-layer walls: the joint of the wall bodies on the same layer is fixed by self-drilling screws, and the top of each wall body is connected by a jointed board with the same thickness as the wall skeleton;
j.X type shear support: after the connection of one layer of wall skeleton is finished, arranging X-shaped central support structures on the wall to support the wall in a shearing manner, wherein each X-shaped central support structure consists of two shearing rods which are mutually crossed into an X shape, and two ends of each shearing rod are fixed on the wall through automatic screws;
k. tensile connection: the method comprises the following steps of performing anti-pulling reinforcement at a corner of a wall, wherein the anti-pulling reinforcement is formed by adopting anti-pulling connection and an anti-pulling anchor bolt, the anti-pulling anchor bolt is usually an anchor bolt with the specification of M16, an included angle of 25-30 degrees is formed between the anti-pulling anchor bolt and the wall, and one end of the bottom of the anti-pulling anchor bolt is fixed on the ground; when the anti-pulling piece is connected with the wall upright post, the anti-pulling piece is fixed by a hexagon head self-tapping screw;
l. shear connection: the shear-resistant connection is arranged on the wall body and consists of a shear-resistant reinforcing part and a shear-resistant anchor bolt, the shear-resistant anchor bolt is an anchor bolt with the specification of M12, the shear-resistant anchor bolt is parallel to the wall body, the shear-resistant anchor bolt and the ground form an included angle of 40-45 degrees, and the end part of the shear-resistant anchor bolt is fixed on a guide rail of a wall body framework; the joint of the shear resistant reinforcing member and the wall body is connected by a self-drilling screw;
m, mounting a wall panel: the wall panel structure adopts an oriented strand board with the thickness of 12mm, the wall panels are positioned on the inner side of the outer wall and the two sides of the inner wall, the wall panels are connected with the wall upright posts by cross flat head self-drilling self-tapping screws, the distance between the self-tapping screws at the edge part and the joint of the wall panel is not more than 150mm, and the distance between the self-tapping screws close to the center position is not more than 300 mm; when the wall body framework is installed, all stand columns of the wall body framework are connected with the wall panel;
n, gypsum board installation: the gypsum board is a double-layer gypsum board with the thickness of 9mm, the gypsum board is arranged on the outer side of the wall body framework, and the double-layer gypsum board is connected with the wall body upright post by a cross flat-head self-drilling self-tapping screw; the distance between the self-tapping screws at the edges and the joints of the gypsum board is not more than 150mm, and the distance between the self-tapping screws close to the center is not more than 300 mm;
o. thermal insulation, soundproof cotton filling: the heat insulation material of the outer wall body is filled between the gypsum board and the particle board, the heat insulation material of the inner wall body is filled between the two particle boards, R30 heat insulation cotton is adopted when the thickness of the wall body is 142mm, R14 heat insulation cotton is adopted when the thickness of the wall body is 92mm, gaps cannot exist between the heat insulation cotton in the wall body, and the wall body needs to be filled;
p, pasting the breathing paper: fixing a layer of breathing paper on a shaving board, wherein the breathing paper is fixed on the shaving board through setting nails, the breathing paper is gradually constructed from bottom to top when being fixed, the edge between the upper layer of breathing paper and the lower layer of breathing paper is overlapped by 100mm, the distance between two setting nails is 150mm when the breathing paper at the overlapped part is installed, and the distance between the setting nails at the rest part is 300 mm; when the opening of the door and window is met, the breathing paper with the width not less than 100mm needs to be reserved on each side and turned over to the windowsill or the side face of the window;
and q, floor slab installation: after the first layer of wallboard is installed, hoisting the floor slab, and installing the floor slab beam and the upright post of the wall body framework by adopting self-tapping screws when the floor slab is installed;
r, connecting the upper layer wall and the lower layer wall: in order to improve the integrity and horizontal shear resistance of the wall body, the upper and lower wall plate frameworks are connected by strip-shaped connecting pieces, the strip-shaped connecting pieces are parallel to the wall plate frameworks, the strip-shaped connecting pieces are arranged on two sides of the wall body frameworks, the specification of the strip-shaped connecting pieces is 900mm x 80mm x 1mm, and the connecting positions of the connecting plates and the upright posts of the upper and lower wall plate frameworks are fixed by a plurality of screws; the shear-resistant and tensile structures of the upper wall framework are connected to the floor slab;
s. panel splicing: adopt the mode of staggered joint concatenation when wall body panel splices, concatenation seam department sets up the connection steel band and connects, and at the junction of upper and lower floor, should lay wall body panel in succession, avoids appearing the seam in the junction of upper and lower floor.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A light steel building construction method is characterized in that: the method comprises the following steps:
a. building an assembly platform: before assembling the wall framework, a working platform for assembling the wall framework needs to be built;
b. assembling a framework: assembling the wall framework on the working platform;
c. packaging and transporting: after the wall framework is assembled, the labels are pasted in a classified mode and are transported to a construction site by a transport vehicle;
d. and (4) field stacking: after the packed assembled wall body framework is transported to a construction site, hoisting the wall body framework from a transport vehicle by utilizing hoisting equipment for stacking;
e. and (3) measurement and paying-off: before installing the wall framework, measuring and lofting the relevant positioning axis of the wall on a construction drawing on a foundation;
f. and (3) mounting a single wall: when the monolithic wall is installed, a specific sequence is required to be installed, clockwise or anticlockwise rapid installation is selected, an outer wall is installed firstly during installation, then an inner wall is installed, and during installation, the monolithic wall is carried to a position corresponding to a serial number according to the serial number on a wall framework before;
g. temporary support setting: after the wall body is erected, firstly fixing a short upright post on the ground, and then connecting the bottom end of the temporary support with the short upright post;
h. wall correction: after the temporary support is built, the wall skeleton needs to be corrected, and the corrected content comprises the levelness, the verticality and the like of the wall;
i. connecting the same-layer walls: the joint of the wall bodies on the same layer is fixed by self-drilling screws, and the top of each wall body is connected by a jointed board with the same thickness as the wall skeleton;
j.X type shear support: after the connection of one layer of wall skeleton is finished, arranging X-shaped central support structures on the wall to support the wall in a shearing manner, wherein each X-shaped central support structure consists of two shearing rods which are mutually crossed into an X shape, and two ends of each shearing rod are fixed on the wall through automatic screws;
k. tensile connection: the method comprises the following steps of performing anti-pulling reinforcement at a corner of a wall, wherein the anti-pulling reinforcement is formed by adopting anti-pulling connection and an anti-pulling anchor bolt, the anti-pulling anchor bolt is usually an anchor bolt with the specification of M16, an included angle of 25-30 degrees is formed between the anti-pulling anchor bolt and the wall, and one end of the bottom of the anti-pulling anchor bolt is fixed on the ground; when the anti-pulling piece is connected with the wall upright post, the anti-pulling piece is fixed by a hexagon head self-tapping screw;
l. shear connection: the shear-resistant connection is arranged on the wall body and consists of a shear-resistant reinforcing part and a shear-resistant anchor bolt, the shear-resistant anchor bolt is an anchor bolt with the specification of M12, the shear-resistant anchor bolt is parallel to the wall body, the shear-resistant anchor bolt and the ground form an included angle of 40-45 degrees, and the end part of the shear-resistant anchor bolt is fixed on a guide rail of a wall body framework; the joint of the shear resistant reinforcing member and the wall body is connected by a self-drilling screw;
m, mounting a wall panel: the wall panel structure adopts an oriented strand board with the thickness of 12mm, and the wall panels are positioned on the inner side of the outer wall body and the two sides of the inner wall body;
n, gypsum board installation: the gypsum board is a double-layer gypsum board with the thickness of 9mm, and the gypsum board is arranged on the outer side of the wall body framework;
o. thermal insulation, soundproof cotton filling: the heat insulation material of the outer wall body is filled between the gypsum board and the shaving board, and the heat insulation material of the inner wall body is filled between the two layers of shaving boards;
p, pasting the breathing paper: fixing a layer of breathing paper on the shaving board;
and q, floor slab installation: after the first layer of wallboard is installed, hoisting the floor slab, and installing the floor slab beam and the upright post of the wall body framework by adopting self-tapping screws when the floor slab is installed;
r, connecting the upper layer wall and the lower layer wall: in order to improve the integrity and horizontal shear resistance of the wall body, the upper and lower wall plate frameworks are connected by strip-shaped connecting pieces, the strip-shaped connecting pieces are parallel to the wall plate frameworks, the strip-shaped connecting pieces are arranged on two sides of the wall body frameworks, the specification of the strip-shaped connecting pieces is 900mm x 80mm x 1mm, and the connecting positions of the connecting plates and the upright posts of the upper and lower wall plate frameworks are fixed by a plurality of screws; the shear-resistant and tensile structures of the upper wall framework are connected to the floor slab;
s. panel splicing: adopt the mode of staggered joint concatenation when wall body panel splices, concatenation seam department sets up the connection steel band and connects, and at the junction of upper and lower floor, should lay wall body panel in succession, avoids appearing the seam in the junction of upper and lower floor.
2. The light steel building construction method of claim 1, characterized in that: in the step a, after the working platform is built, the surface of the working platform needs to be leveled, so that the surface of the working platform is smooth and is fixed.
3. The light steel building construction method of claim 1, characterized in that: and in the step b, the wall body framework is assembled according to the size and the position marked by the drawing strictly, so that the assembling error is ensured not to exceed +/-2 mm, the surrounding keels of the wall body are fixed firstly when the wall body is assembled, the diagonal size is measured accurately, the inner upright columns are assembled one by one, and when the upright columns are fixed with the wall body guide rail, the positions are accurately fixed by using locking pliers or special positioning clamps, and the gaps are not required to exceed 1 mm.
4. The light steel building construction method of claim 1, characterized in that: in the step d, when the wall frameworks are stacked, classified stacking is carried out according to different types, and when the wall frameworks are stacked, square timbers need to be additionally arranged on the ground.
5. The light steel building construction method of claim 1, characterized in that: and g, at least one temporary support is arranged on each wall framework for supporting, the temporary supports are additionally required to be additionally arranged at weak positions such as a door frame, and inclined supports are arranged on the inner side or the outer side of a diagonal line of the wall.
6. The light steel building construction method of claim 1, characterized in that: in the step m, the wall body panel is connected with the wall body upright post by adopting a cross flat head self-drilling self-tapping screw, the distance between the self-tapping screw at the edge part and the joint of the wall body panel is not more than 150mm, and the distance between the self-tapping screws close to the center position is not more than 300 mm; when the installation, guarantee that all stands of wall body skeleton all are connected with the shingle nail.
7. The light steel building construction method of claim 1, characterized in that: in the step n, when the double-layer gypsum board is connected with the wall upright post, the double-layer gypsum board is connected by adopting cross flat head self-drilling self-tapping screws, the distance between the self-tapping screws at the edge part and the joint of the gypsum board is not more than 150mm, and the distance between the self-tapping screws close to the center position is not more than 300 mm.
8. The light steel building construction method of claim 1, characterized in that: in the step p, the breathing paper is fixed on the shaving board through the stacking nails, the breathing paper is gradually constructed from bottom to top when being fixed, the edge between the upper layer of breathing paper and the lower layer of breathing paper is overlapped by 100mm, the distance between the two stacking nails is 150mm when the breathing paper at the overlapped part is installed, and the distance between the rest stacking nails is 300 mm; when meeting door and window trompil department, all sides all need reserve not less than 100mm wide breathing paper scroll limit and roll over to the windowsill or on the side of window.
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| CN201911337522.XA CN111042546A (en) | 2019-12-23 | 2019-12-23 | Light steel building construction method |
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| CN (1) | CN111042546A (en) |
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2019
- 2019-12-23 CN CN201911337522.XA patent/CN111042546A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200421 |
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| WW01 | Invention patent application withdrawn after publication |