A kind of building structure Thistle board ceiling construction method
Technical field
The invention belongs to plaster tablet suspended ceiling technical field of construction, especially relate to a kind of building structure Thistle board ceiling construction method.
Background technology
Thistle board is primary raw material with plaster of Paris, mixes appropriate additive and fiber makees plate core, with special paperboard for mask, through the sheet material be processed into.Thistle board has lightweight, sound insulation, the feature that heat insulation, processing characteristics is strong, construction method is easy.In actual fitting-out work, Thistle board seam crossing cracking and furred ceiling problem on deformation still exist also very general, particularly in colder area, Thistle board seam crossing ftracture and furred ceiling problem on deformation more obvious.Nowadays, Thistle board ceiling construction neither one is unified, specification and concrete construction method can be followed, thus inevitably there are the problems such as constructing operation is more random, lack of standardization, efficiency of construction is lower, institute's construction molding Thistle board furred ceiling is second-rate during practice of construction, there is profile and unsightly, easily occurs crack, defect and the deficiency such as yielding in the Thistle board furred ceiling of institute's construction molding.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of building structure Thistle board ceiling construction method is provided, its method step is simple, reasonable in design and constructing operation is easy, work efficiency is high, construction effect is good, effectively can solve existing Thistle board furred ceiling and there is profile and unsightly, easily occur crack, the problem such as yielding.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of building structure Thistle board ceiling construction method, is characterized in that the method comprises the following steps:
Step one, lightgage steel joist are installed: needing to install lightgage steel joist below the building roof of furred ceiling, and described lightgage steel joist be level to lay and it is mounted on described building roof by multiple suspender member;
Step 2, cover gypsum plank are installed: mounting cup surface gypsum board on mounted lightgage steel joist in step one, and described cover gypsum plank is fixedly mounted on lightgage steel joist by multiple securing member one;
The shape of described cover gypsum plank is rectangle, all leaves the gap of 15mm ~ 20mm between the surrounding sidewall of described cover gypsum plank and body of wall, and the gap between the surrounding sidewall of described cover gypsum plank and body of wall is space between avris; Described cover gypsum plank is that level is to laying, described cover gypsum plank is provided with multiple tracks lateral deformation seam, described in multiple tracks, lateral deformation seam is in parallel laying, and lateral deformation seam is laid from front to back along the length direction of described cover gypsum plank described in multiple tracks, described in multiple tracks, described cover gypsum plank is divided into multiple square gypsum plank one by lateral deformation seam;
Lightgage steel joist described in step one is with lateral deformation seam described in multiple tracks for boundary is divided into multiple lightgage steel joist frame, and adjacent two the described lightgage steel joist framves in front and back disconnect mutually; Multiple described square gypsum plank one is laid in immediately below multiple described lightgage steel joist frame respectively, and multiple described square gypsum plank one is arranged on below multiple described lightgage steel joist frame respectively; The seam of described lateral deformation seam is wide is 20mm ~ 25mm, and the length of each described square gypsum plank one is all not more than 6m; Described square gypsum plank one is single layer gypsum board or double-deck gypsum plank; The Thistle board that described single layer gypsum board is laid in same level by polylith is assembled; Described double-deck gypsum plank comprises upper strata gypsum plank and is laid in the lower floor's gypsum plank below the gypsum plank of described upper strata, the Thistle board that described upper strata gypsum plank and described lower floor gypsum plank are laid in same level by polylith is assembled, and the splicing seams seam in described single layer gypsum board, described upper strata gypsum plank and described lower floor gypsum plank between adjacent two pieces of described Thistle boards is wide is 3mm ~ 5mm;
Space and deformation joint construction between step 3, avris: adopt the first aluminium alloys end cap to stitch the lateral deformation between adjacent two the described square gypsum planks one in front and back and close up, adopt the second aluminium alloys end cap to close up to space between the avris between the surrounding sidewall of described cover gypsum plank and body of wall simultaneously.
A kind of above-mentioned building structure Thistle board ceiling construction method, it is characterized in that: described in step one and step 2, the width of cover gypsum plank is greater than 5m, described cover gypsum plank is provided with longitudinal strain seam, the quantity of described longitudinal strain seam is one or multi-channel, described in multiple tracks, longitudinal strain seam is laid from left to right along the width of described cover gypsum plank, described longitudinal dividing joint and lateral deformation are stitched in vertical runs, each described square gypsum plank one is all divided into multiple square gypsum plank two by longitudinal strain seam described in multiple tracks, and each described lightgage steel joist frame stitches as boundary is divided into multiple lightgage steel joist frame sections with longitudinal strain described in multiple tracks, adjacent two the described lightgage steel joist frame sections in left and right disconnect mutually, multiple described square gypsum plank two is laid in immediately below multiple described lightgage steel joist frame sections respectively, and multiple described square gypsum plank two is arranged on below multiple described lightgage steel joist frame sections respectively, the structure that the structure of described longitudinal strain seam and size are all stitched with described lateral deformation and measure-alike, to when between lateral deformation seam and described avris, space closes up in step 3, also need to adopt described first aluminium alloys end cap to close up to described longitudinal strain seam.
A kind of above-mentioned building structure Thistle board ceiling construction method, it is characterized in that: the aluminium alloys end cap of to be combined shrunk bar, screen aluminum alloy or cross section the be ⊥ shape of the first aluminium alloys end cap described in step 3, L shape or a few font, described combined shrunk bar is that the aluminium alloys end cap of W shape is assembled by two cross sections; The aluminium alloys end cap of described second aluminium alloys end cap to be cross section be ⊥ shape, L shape, W shape or a few font.
A kind of above-mentioned building structure Thistle board ceiling construction method, it is characterized in that: when lightgage steel joist is installed in step one below the building roof needing furred ceiling, also need the inner wall surface of body of wall to be installed the keelson for fixing described cover gypsum plank, described keelson is positioned at above described cover gypsum plank and its surrounding sideline along described cover gypsum plank and lays; Described keelson comprises structural steel frame and pad and is loaded on sheeting caps between structural steel frame and body of wall, and described structural steel frame is fixed on body of wall by sheeting caps, and described structural steel frame is rectangular frame.
A kind of above-mentioned building structure Thistle board ceiling construction method, it is characterized in that: be all fastenedly connected by glass cement between two described square gypsum planks one adjacent with front and back of the first aluminium alloys end cap described in step 3, be fastenedly connected by glass cement between described second aluminium alloys end cap and the sidewall of described cover gypsum plank, and be fastenedly connected by glass cement between described second aluminium alloys end cap and sheeting caps; After being all fastenedly connected by glass cement between two described square gypsum planks one adjacent with front and back of first aluminium alloys end cap described in step 3, also needing to adopt self-tapping screw to be fastenedly connected by adjacent with front and back for described first aluminium alloys end cap two described square gypsum planks one and be integrated; Described second aluminium alloys end cap and after being fastenedly connected by glass cement between described cover gypsum plank and sheeting caps, is also needed to adopt self-tapping screw described second aluminium alloys end cap and described cover gypsum plank and sheeting caps to be fastenedly connected and is integrated.
A kind of above-mentioned building structure Thistle board ceiling construction method, it is characterized in that: after adopting the first aluminium alloys end cap to close up to the lateral deformation seam between adjacent two the described single layer gypsum board in front and back in step 3, between adjacent two the described single layer gypsum board in front and back, form the first groove that a cross section is rectangle; After adopting described first aluminium alloys end cap to close up to the lateral deformation seam between adjacent two the described double-deck gypsum planks in front and back, between adjacent two the described double-deck gypsum planks in front and back, form the second groove that a cross section is rectangle; Adopt described second aluminium alloys end cap to after space closes up between described avris, between described cover gypsum plank and body of wall, form the 3rd groove that a cross section is rectangle.
A kind of above-mentioned building structure Thistle board ceiling construction method, it is characterized in that: the groove depth of described first groove is less than the thickness of slab of described single layer gypsum board, the groove depth of described second groove is not more than the thickness of slab of described lower floor gypsum plank; The degree of depth of described 3rd groove is 0.8d ~ 3d, and wherein d is the thickness of slab of described cover gypsum plank.
A kind of above-mentioned building structure Thistle board ceiling construction method, it is characterized in that: adopt in step 3 described first aluminium alloys end cap to described in multiple tracks longitudinal strain seam close up after, described cover gypsum plank forms the longitudinal fluting that multiple cross section is rectangle; When described square gypsum plank one is single layer gypsum board, the groove depth of described longitudinal fluting is less than the thickness of slab of described single layer gypsum board; When described square gypsum plank one is double-deck gypsum plank, the groove depth of described longitudinal fluting is not more than the thickness of slab of described lower floor gypsum plank.
A kind of above-mentioned building structure Thistle board ceiling construction method, is characterized in that: when installing described cover gypsum plank in step 2, and the length direction along described cover gypsum plank is installed respectively to multiple described square gypsum plank one from front to back; The splicing seams be laid between the adjacent two pieces of described Thistle boards in same level is splicing seams between plate, and between the plate on described upper strata gypsum plank and described lower floor gypsum plank, splicing seams staggers mutually.
A kind of above-mentioned building structure Thistle board ceiling construction method, it is characterized in that: the top of body of wall described in step 2 is provided with curtain box, described curtain box is between curtain box and described cover gypsum plank, described curtain box and described cover gypsum plank leave the gap of 15mm ~ 20mm, and the gap between curtain box and described cover gypsum plank is space between described avris.
The present invention compared with prior art has the following advantages:
1, construction method step is simple, reasonable in design and easy and simple to handle, realization is convenient, drops into construction cost lower.
2, deformation joint is reasonable in design, when the plate of cover gypsum plank is wide be not more than 3m time, cover gypsum plank arranges lateral deformation and stitches; When the plate of cover gypsum plank is wider than 3m, cover gypsum plank is arranged in length and breadth to deformation joint, and in length and breadth to the corresponding disconnection of installation position of deformation joint, thus can easily there is the problem in crack by easy, effective solution Thistle board according to set in the lightgage steel joist adopted.
3, the first aluminium alloys end cap reasonable in design adopted, processing and fabricating is easy and close up effective, effectively sizing can be carried out for a long time to deformation joint both sides gypsum plank, and institute construction Deformation seam straight and edge clear, good looking appearance can be guaranteed, and the life of cover gypsum plank of constructing long, the deformation joint on Long-Time Service state lower cover surface gypsum board all can not be out of shape.
4, the second aluminium alloys end cap reasonable in design adopted, processing and fabricating is easy and close up effective, effectively sizing can be carried out for a long time to the surrounding sidewall of gypsum plank, and space straight and edge clear, good looking appearance to be guaranteed between constructed avris, and can the corresponding life of constructed cover gypsum plank that makes long, and between avris on Long-Time Service state lower cover surface gypsum board, space all can not be out of shape.
5, the closing method of deformation joint simple, operate simple and easy and close up effective, deformation joint position at cover gypsum plank after closing in forms one groove, not only edge clear, good looking appearance, and the effect of deformation joint can be given full play to, make to form moderate the flexibly connecting of bonding strength between adjacent two pieces of square gypsum planks one or square gypsum plank two, simultaneously because cover gypsum plank is fixed on building roof by lightgage steel joist again, thus each square gypsum plank one is very good again with the fixed effect of square gypsum plank two, can meet actual fixed demand.
6, adopt that the structure of keelson is simple, reasonable in design and easy for installation, result of use is good, effectively can fix the surrounding sidewall of cover gypsum plank.During practice of construction, while carrying out effectively fixing to keelson by sheeting caps, also effectively can simplify the closing in process of the second aluminium alloys end cap, and the closing in better effects if of the second aluminium alloys end cap can be made.
7, between avris the closing method of space simple, operate simple and easy and close up effective, after closing in, between the avris of cover gypsum plank, space position forms one groove, not only edge clear, good looking appearance, and the effect of space between avris can be given full play to, make between cover gypsum plank and body of wall, to form moderate the flexibly connecting of bonding strength, simultaneously because cover gypsum plank is fixed on building roof by lightgage steel joist again, thus the fixed effect of cover gypsum plank self is very good again, can meet actual fixed demand.
8, simple, the reasonable in design and actual installation of the structure of lightgage steel joist is convenient, and result of use is good.
9, result of use is good and practical value is high, effectively can solve that the construction work that existing Thistle board furred ceiling exists is lower, construction quality is difficult to ensure and the Thistle board furred ceiling of construction molding exists profile unsightly, easily occurs crack, defect and the deficiency such as yielding.
In sum, the inventive method step is simple, reasonable in design and constructing operation is easy, work efficiency is high, construction effect is good, effectively can solve existing Thistle board furred ceiling and there is profile and unsightly, easily occur crack, the problem such as yielding.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is method flow block diagram of the present invention.
Fig. 2 is the structural representation of cover gypsum plank in the embodiment of the present invention 1.
Fig. 3 is the installment state schematic diagram in the embodiment of the present invention 1 between cover gypsum plank and body of wall.
Fig. 4 is the installment state schematic diagram in the embodiment of the present invention 1 between cover gypsum plank and curtain box.
The structural representation of Fig. 5 to be cross section of the present invention be aluminium alloys end cap of a few font.
Fig. 6 is the structural representation of combined shrunk bar of the present invention.
Fig. 7 is the structural representation of cover gypsum plank in the embodiment of the present invention 2.
Description of reference numerals:
Detailed description of the invention
Embodiment 1
In the present embodiment, a kind of building structure Thistle board ceiling construction method as shown in Figure 1, comprises the following steps:
Step one, lightgage steel joist are installed: composition graphs 3, is needing to install lightgage steel joist 1 below the building roof of furred ceiling, described lightgage steel joist 1 in level to laying and its be mounted on described building roof by multiple suspender member 2.
Step 2, cover gypsum plank are installed: mounting cup surface gypsum board on mounted lightgage steel joist 1 in step one, described cover gypsum plank is fixedly mounted on lightgage steel joist 1 by multiple securing member one, refers to Fig. 2.
The shape of described cover gypsum plank is rectangle, all leaves the gap of 15mm ~ 20mm between the surrounding sidewall of described cover gypsum plank and body of wall 3, and the gap between the surrounding sidewall of described cover gypsum plank and body of wall 3 is space between avris.Described cover gypsum plank is that level is to laying, described cover gypsum plank is provided with multiple tracks lateral deformation seam 5, described in multiple tracks, lateral deformation seam 5 is in parallel laying, and lateral deformation seam 5 is laid from front to back along the length direction of described cover gypsum plank described in multiple tracks, described in multiple tracks, described cover gypsum plank is divided into multiple square gypsum plank one by lateral deformation seam 5.
In the present embodiment, described securing member one is self-tapping screw 7.During practice of construction, described securing member one also can adopt the securing member of other type.
In the present embodiment, the length of described cover gypsum plank is greater than 6m and its width≤3m.
Described cover gypsum plank has respectively for the perforate 13 that cigarette sense, illuminating lamp and drencher head are laid, multiple described perforate 13 along described cover gypsum plank width x length from left to right a point multiple row lay.
Lightgage steel joist 1 described in step one is with lateral deformation seam 5 described in multiple tracks for boundary is divided into multiple lightgage steel joist frame, and adjacent two the described lightgage steel joist framves in front and back disconnect mutually.Multiple described square gypsum plank one is laid in immediately below multiple described lightgage steel joist frame respectively, and multiple described square gypsum plank one is arranged on below multiple described lightgage steel joist frame respectively.The seam of described lateral deformation seam 5 is wide is 20mm ~ 25mm, and the length of each described square gypsum plank one is all not more than 6m.Described square gypsum plank one is single layer gypsum board or double-deck gypsum plank.The Thistle board 4 that described single layer gypsum board is laid in same level by polylith is assembled.Described double-deck gypsum plank comprises upper strata gypsum plank and is laid in the lower floor's gypsum plank below the gypsum plank of described upper strata, the Thistle board 4 that described upper strata gypsum plank and described lower floor gypsum plank are laid in same level by polylith is assembled, and the splicing seams seam in described single layer gypsum board, described upper strata gypsum plank and described lower floor gypsum plank between adjacent two pieces of described Thistle boards 4 is wide is 3mm ~ 5mm.
In the present embodiment, described lightgage steel joist 1 comprises multiple tracks main joist and multi-pass keel, and main joist described in multiple tracks is parallel laying, and main joist described in multiple tracks is all laid along the length direction of described cover gypsum plank.Secondary joist described in multiple tracks is parallel laying, and described secondary joist and described main joist are vertical runs, and secondary joist described in multiple tracks is laid from front to back along the length direction of described cover gypsum plank.
During practice of construction, main joist described in per pass is all mounted on described building roof by multiple described suspender member 2, and secondary joist described in per pass is all mounted on described building roof by multiple described suspender member 2, secondary joist described in per pass is all fastenedly connected with main joist described in multiple tracks and is integrated.
In the present embodiment, the splicing seams be laid between the adjacent two pieces of described Thistle boards 4 in same level is splicing seams between plate, and between the plate on described upper strata gypsum plank and described lower floor gypsum plank, splicing seams staggers mutually.Between described plate, splicing seams is plain splice seam.
In the present embodiment, when installing described cover gypsum plank in step 2, the length direction along described cover gypsum plank is installed respectively to multiple described square gypsum plank one from front to back.
Space and deformation joint construction between step 3, avris: adopt the first aluminium alloys end cap to stitch 5 to the lateral deformation between adjacent two the described square gypsum planks one in front and back and close up, adopt the second aluminium alloys end cap to close up to space between the avris between the surrounding sidewall of described cover gypsum plank and body of wall 3 simultaneously.
In practice of construction process, the length of each described square gypsum plank one is 3m ~ 5m.In the present embodiment, the identical length of multiple described square gypsum plank one with and be 3m, the width of multiple described square gypsum plank one is 3m.During Specific construction, can according to actual needs, the length of multiple described square gypsum plank one be adjusted respectively.
During practice of construction, be easy construction, the length of described square gypsum plank one is identical with the length of one piece of Thistle board 4.
In practice of construction process, the length of described square gypsum plank one also can be 2.5m ~ 3m.
In the present embodiment, main joist described in multiple tracks is all divided into multiple main framing sections with lateral deformation seam 5 described in multiple tracks for boundary, and each described main joist sections is all mounted on described building roof by multiple suspender member 2 carrying out laying from front to back.Wherein, the suspender member 2 being laid in main joist sections front portion described in any one is not more than 300mm with the spacing of this main joist sections front end, and the suspender member 2 being laid in main joist sections rear portion described in any one is also not more than 300mm with the spacing of this main joist sections rear end.
In the present embodiment, all be fastenedly connected by glass cement between two described square gypsum planks one adjacent with front and back of first aluminium alloys end cap described in step 3, be fastenedly connected by glass cement between described second aluminium alloys end cap and the sidewall of described cover gypsum plank.
During practice of construction, the aluminium alloys end cap of to be combined shrunk bar 12-4, screen aluminum alloy or cross section the be ⊥ shape of the first aluminium alloys end cap described in step 3, L shape or a few font, described combined shrunk bar 12-4 is that the aluminium alloys end cap of W shape is assembled by two cross sections; The aluminium alloys end cap of described second aluminium alloys end cap to be cross section be ⊥ shape, L shape, W shape or a few font.Wherein, cross section is that the aluminium alloys end cap of a few font is called for short a few type aluminium alloys end cap 12-3.
In the present embodiment, the aluminium alloys end cap of described first aluminium alloys end cap to be cross section be ⊥ shape, L shape, W shape or a few font, its structure refers to Fig. 5.During practice of construction, described first aluminium alloys end cap also can adopt the aluminium alloys end cap of other type.Wherein, the structure of described combined shrunk bar 12-4 refers to Fig. 6.
In the present embodiment, composition graphs 3, when lightgage steel joist 1 is installed in step one below the building roof needing furred ceiling, also need the inner wall surface of body of wall 3 to be installed the keelson for fixing described cover gypsum plank, described keelson is positioned at above described cover gypsum plank and its surrounding sideline along described cover gypsum plank and lays; Described keelson comprises structural steel frame 6-1 and pad and is loaded on sheeting caps 6-2 between structural steel frame 6-1 and body of wall 3, and described structural steel frame 6-1 is fixed on body of wall 3 by sheeting caps 6-2, and described structural steel frame 6-1 is rectangular frame; Be fastenedly connected by glass cement between second aluminium alloys end cap and sheeting caps 6-2 described in step 3.
In the present embodiment, the aluminium alloys end cap of the second aluminium alloys end cap that space between the avris between described body of wall 3 and described cover gypsum plank is closed up to be cross section be L shape.Wherein, cross section is that the aluminium alloys end cap of L shape is referred to as L-type end cap 12-2.
During practice of construction, the described second aluminium alloys end cap closed up to space between the avris between described body of wall 3 and described cover gypsum plank also can adopt the aluminium alloys end cap of other type.
In the present embodiment, after being all fastenedly connected by glass cement between two described square gypsum planks one adjacent with front and back of first aluminium alloys end cap described in step 3, also needing to adopt self-tapping screw 7 to be fastenedly connected by adjacent with front and back for described first aluminium alloys end cap two described square gypsum planks one and be integrated; Described second aluminium alloys end cap and after being fastenedly connected by glass cement between described cover gypsum plank and sheeting caps 6-2, is also needed to adopt self-tapping screw 7 described second aluminium alloys end cap and described cover gypsum plank and sheeting caps 6-2 to be fastenedly connected and is integrated.
During practice of construction, described sheeting caps 6-2 is connected with being fixed by multiple securing member two between body of wall 3, and described sheeting caps 6-2 is connected with being fixed by multiple securing member three between structural steel frame 6-1.
In the present embodiment, described securing member two and described securing member three are self-tapping screw 7.During practice of construction, described securing member two and described securing member three also can adopt the securing member of other type.
In the present embodiment, described structural steel frame 6-1 is that the shaped steel of C font is assembled by cross section.
The quantity of described sheeting caps 6-2 is one or more, and described in polylith, sheeting caps 6-2 lays from left to right, is fixed connection between adjacent two pieces of described sheeting caps 6-2 by self-tapping screw 7, and described sheeting caps 6-2 is vertically to laying.In the present embodiment, the quantity of described sheeting caps 6-2 is two pieces.In practice of construction process, can according to specific needs, the quantity of sheeting caps 6-2 and thickness of slab are adjusted accordingly.
During practice of construction, when the top of body of wall 3 described in step 2 is provided with curtain box 8, described curtain box 8 is between curtain box 8 and described cover gypsum plank, described curtain box 8 and described cover gypsum plank leave the gap of 15mm ~ 20mm, and the gap between curtain box 8 and described cover gypsum plank is space between described avris, refers to Fig. 4.
In the present embodiment, described curtain box 8 for cross section be the woodwork plate of L shape, the bottom pad of described curtain box 8 is equipped with the aluminium-plastic panel 11 that a cross section is zigzag.Described body of wall 3 top is provided with for the fixing rough ground 10 of curtain box 8, and described rough ground 10, is fastenedly connected by nailing between described curtain box 8 and rough ground 10 to laying in level.Described curtain box 8 is mounted on described building roof by suspender member 2.
In the present embodiment, the aluminium alloys end cap of the second aluminium alloys end cap closed up to space between the avris between described curtain box 8 and described cover gypsum plank to be cross section be W shape, wherein cross section is that the aluminium alloys end cap of W shape is referred to as W type end cap 12-1.
During practice of construction, the described second aluminium alloys end cap closed up to space between the avris between described curtain box 8 and described cover gypsum plank also can adopt the aluminium alloys end cap of other type.
In the present embodiment, after adopting the first aluminium alloys end cap to close up to the lateral deformation seam 5 between adjacent two the described single layer gypsum board in front and back in step 3, between adjacent two the described single layer gypsum board in front and back, form the first groove that a cross section is rectangle.After adopting described first aluminium alloys end cap to close up to the lateral deformation seam 5 between adjacent two the described double-deck gypsum planks in front and back, between adjacent two the described double-deck gypsum planks in front and back, form the second groove that a cross section is rectangle.Adopt described second aluminium alloys end cap to after space closes up between described avris, between described cover gypsum plank and body of wall 3, form the 3rd groove that a cross section is rectangle.
In the present embodiment, the groove depth of described first groove is less than the thickness of slab of described single layer gypsum board, and the groove depth of described second groove is not more than the thickness of slab of described lower floor gypsum plank, and the degree of depth of described 3rd groove is 0.8d ~ 3d, and wherein d is the thickness of slab of described cover gypsum plank.
In sum, actual in when between lateral deformation seam 5 and described avris, space closes up, also adopt glass cement temporary fixed, after adjusting to the right place in the position of the first aluminium alloys end cap or the second aluminium alloys end cap, then use self-tapping screw 7 fixation.When adopting self-tapping screw 7 to be fixed the first aluminium alloys end cap and the second aluminium alloys end cap, be fixed from the center of end cap to surrounding, self-tapping screw 7 used should anchor into the plate face of Thistle board 4, criticizes Puttying again after rustproof paint process.The color of described first aluminium alloys end cap and the second aluminium alloys end cap with adopt the solid colour of coating.
Embodiment 2
In the present embodiment, as shown in Figure 7, as different from Example 1: described in step one and step 2, the width of cover gypsum plank is greater than 5m, described cover gypsum plank is provided with longitudinal strain seam 9, the quantity of described longitudinal strain seam 9 is one or multi-channel, described in multiple tracks, longitudinal strain seam 9 is laid from left to right along the width of described cover gypsum plank, described longitudinal dividing joint and lateral deformation stitch 5 in vertical runs, each described square gypsum plank one is all divided into multiple square gypsum plank two by longitudinal strain seam 9 described in multiple tracks, and each described lightgage steel joist frame is divided into multiple lightgage steel joist frame sections with longitudinal strain seam 9 described in multiple tracks for boundary, adjacent two the described lightgage steel joist frame sections in left and right disconnect mutually, multiple described square gypsum plank two is laid in immediately below multiple described lightgage steel joist frame sections respectively, and multiple described square gypsum plank two is arranged on below multiple described lightgage steel joist frame sections respectively, the structure of described longitudinal strain seam 9 and size all stitch the structure of 5 and measure-alike with described lateral deformation, to when between lateral deformation seam 5 and described avris, space closes up in step 3, also need to adopt described first aluminium alloys end cap to close up to described longitudinal strain seam 9 and its closing method is identical with the closing method that lateral deformation stitches 5.
In the present embodiment, adopt in step 3 described first aluminium alloys end cap to described in multiple tracks longitudinal strain seam 9 close up after, described cover gypsum plank forms the longitudinal fluting that multiple cross section is rectangle.When described square gypsum plank one is single layer gypsum board, the groove depth of described longitudinal fluting is less than the thickness of slab of described single layer gypsum board; When described square gypsum plank one is double-deck gypsum plank, the groove depth of described longitudinal fluting is not more than the thickness of slab of described lower floor gypsum plank.
In the present embodiment, remainder structure and construction method step are all identical with embodiment 1.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.