CN103321328B - A kind of construction method of double-deck lightgage steel joist noise barrier - Google Patents
A kind of construction method of double-deck lightgage steel joist noise barrier Download PDFInfo
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Abstract
A kind of double-deck lightgage steel joist noise barrier, is characterized in that, comprise two-layer parallel lightgage steel joist, mesosphere board, sound insulation materials and surface layer plate, described mesosphere board two sides respectively be affixed inside described two-layer lightgage steel joist and be fixedly connected with, described surface layer plate is fixedly connected on outside every layer of described lightgage steel joist, described sound insulation materials is filled in described lightgage steel joist, described lightgage steel joist has the vertical keel of multiple vertical setting, many rows lateral keel is laterally connected between all adjacent vertical keels continuously, the longitudinal pitch of described lateral keel is 600mm-800mm, the transverse edge of described mesosphere board and surface layer plate is connected with described lateral keel and vertical keel respectively with longitudinal edge, stabilized structure, height can reach 4.5m-6m, overcome prior art and hold yielding defect, soundproof effect is good, weighted transmission loss reaches 55-60Db.
Description
Technical field
The present invention relates to building partition, especially double-deck lightgage steel joist noise barrier.
Background technology
Lightgage steel joist noise barrier has the advantage of high-strength light and good sound insulation value, and being widely used in the interior architectures such as office, hall, hotel guest room, is partition wall kind common in building partition.Current lightgage steel joist noise barrier is mostly individual layer lightgage steel joist noise barrier, be made up of the individual layer lightgage steel joist skeleton being fixed on upper matrix, lower substrate and both sides matrix, the gypsum plank that is filled in the sound insulation materials in this individual layer lightgage steel joist skeleton and is fixed on these individual layer lightgage steel joist both sides, but the height of this individual layer lightgage steel joist noise barrier is once reach 4.5m-6m, lightgage steel joist cannot meet the structural stability of this requirement for height, lightgage steel joist is caused to be out of shape, be difficult to the building being applicable to high-rise distance, there is limitation.For processing this defect, general by adding square steel to reinforce in lightgage steel joist skeleton, cause that lightgage steel joist cage construction is more complicated, construction cost increases, working procedure is loaded down with trivial details, extends construction period; The installation site of square steel, entirely with constructor's micro-judgment, requires higher to the technical level of constructor, is difficult to apply.
Summary of the invention
The technical problem to be solved in the present invention is to provide the construction method that a kind of height can reach the double-deck lightgage steel joist noise barrier of 4.5m-6.0m.
In order to solve the problems of the technologies described above, the invention provides a kind of construction method of double-deck lightgage steel joist noise barrier, comprising the following steps:
A, snap the line, stepping;
B, install the first lightgage steel joist skeleton along top keel and along ground joist;
C, the frame keel of the first lightgage steel joist skeleton are installed;
D, install the first lightgage steel joist skeleton vertical keel and logical pass through keel;
E, the lateral keel of the first lightgage steel joist skeleton is installed;
F, installation mesosphere board;
G, the second lightgage steel joist skeleton is installed;
H, sound insulation by filling material;
I, installed surface laminate;
Snap the line in described step a refers to length by the first lightgage steel joist skeleton and upper matrix, lower substrate and matrix joint, both sides and width snap the line, stepping refers to height by described mesosphere board and surface layer plate and width stepping, to determine vertical keel, the logical installation site passing through keel and lateral keel;
Described step b refers to along snap the line described in step a and will be fixed on upper matrix, will be fixed on lower substrate along ground joist along top keel;
Described step c refers to along snap the line described in step a and frame keel is fixed on both sides matrix;
Described steps d refers to and to be vertically installed on by multiple vertical keel along top keel and along between ground joist, laterally installs a vertical keel every 300mm-400mm according to stepping described in step a; The logical keel that pass through are that longitudinal pitch level runs through described vertical keel and is connected with frame keel with 800-900mm;
Described step e refers to the stepping according to step a, determine the transverse joint of described mesosphere board and surface layer plate, fix multiple lateral keel along described transverse joint continuous level end to end between adjacent vertical keel, and longitudinally every 600mm-800mm, the described lateral keel of one row is installed;
Described step f refers to and mesosphere board is fixedly connected on described first lightgage steel joist skeleton side, the vertical abutment joint of described mesosphere board drops on described vertical keel, the transverse joint of described mesosphere board drops in described lateral keel, and stagger between its vertical abutment joint levels a vertical keel;
Described step g refers to that the second lightgage steel joist skeleton is installed on the opposite side of the relative described first lightgage steel joist skeleton of described mesosphere board by the mounting means according to the first lightgage steel joist skeleton described in described step a, step b, step c, steps d and step e, and is fixedly connected with described mesosphere board;
Described step h refers to by bonding for sound insulation materials paving in described mesosphere board both sides, until be paved with described first lightgage steel joist skeleton and the second lightgage steel joist skeleton;
Described step I refers to outside surface layer plate being fixed on described first lightgage steel joist skeleton and the second lightgage steel joist skeleton, setting height(from bottom) is identical with described mesosphere board, be close to described first lightgage steel joist skeleton and the first surface laminate of the second lightgage steel joist skeleton and the vertical abutment joint of mesosphere board mutually to stagger a vertical keel, stagger between vertical abutment joint levels a vertical keel mutually, transverse joint drops in described lateral keel, and the vertical abutment joint of the second surface layer plate near outside and the vertical abutment joint of described first surface laminate stagger.
In described step I, described surface layer plate is 2 layers, and the vertical abutment joint of the second surface layer plate near outside and the vertical abutment joint of described first surface laminate stagger.
The height of described mesosphere board and surface layer plate is 2.4m, and width is 1.2m.
Described mesosphere board is fixedly connected with described vertical keel by self-tapping screw with the longitudinal edge of surface layer plate, transverse edge is fixedly connected with described lateral keel by self-tapping screw, and described self-tapping screw is apart from described mesosphere board) and the edge of surface layer plate be 10 ~ 20mm.
Compared with prior art, the structure of the lightgage steel joist skeleton of the double-deck lightgage steel joist noise barrier of the present invention is more firm: lightgage steel joist skeleton is provided with the horizontal lateral keel be connected to continuously between adjacent vertical keel of many rows, described lateral keel not only increases the structural strength of vertical keel, also to the edge of mesosphere board and surface layer plate and middle part provide comprehensively support fixing, improve the stability of mesosphere board and surface layer plate, prevent mesosphere board and surface layer plate from increasing along with the increase of lightgage steel joist skeleton height and cause stress to be concentrated, avoid lightgage steel joist framework deformation, improve lightgage steel joist skeleton to the compliance highly increased.Meanwhile, above-mentioned lightgage steel joist skeleton is double-deck, compared with existing individual layer lightgage steel joist skeleton, having better stability and shock resistance when highly reaching 4.5m-6.0m, overcoming the defect that existing lightgage steel joist noise barrier cannot reach 4.5m-6.0m; And more sound insulation materials and surface layer plate can be installed, improve the obstruct to sound, absorptive capacity, testing result proves, weighted transmission loss can reach 55-60Db, and soundproof effect is good.
Construction sequence is easy, uses commercially available C type lightgage steel joist skeleton, the simple installation of lateral keel, installs fixing between adjacent vertical keel with pulling rivet continuous horizontal, avoids prior art to install the loaded down with trivial details of square steel, greatly improves efficiency of construction; And the installation site of lateral keel is determined according to the transverse joint of mesosphere board and surface layer plate, adapt to different size, flexibility is strong, not high to constructor's technical requirements, and applicability is strong, is easy to promote.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is that a kind of double-deck the perpendicular of lightgage steel joist noise barrier of the present invention cuts open structural representation.
Fig. 2 is the partial cross-section structural representation of a kind of double-deck lightgage steel joist noise barrier of the present invention.
Fig. 3 is that figure (not shown sound insulation materials) cuts open in the three-dimensional office of a kind of double-deck lightgage steel joist noise barrier bottom of the present invention.
Fig. 4 is the partial perspective view of single lightgage steel joist skeleton 10.
Reference numeral: 10-lightgage steel joist skeleton, 10a-the first lightgage steel joist skeleton, 10b-the second lightgage steel joist skeleton, 11-along top keel, 12-along ground joist, 14-vertical keel, 15-logical pass through keel, 16-lateral keel, 20-mesosphere board, 30-sound insulation materials, 40-surface layer plate, 40a-first surface laminate, 40b-the second surface layer plate, 71-vertical abutment joint, 72-transverse joint, 81-upper matrix, 82-lower substrate.
Detailed description of the invention
Figure cuts open in a kind of perpendicular three-dimensional office cuing open structural representation (being highly 6m), partial cross-section structural representation and the bottom of double-deck lightgage steel joist noise barrier with the present invention shown in Fig. 3 as shown in Figure 1, Figure 2, for clear expression light gauge steel structure, the packing material in Fig. 3 is not shown.The double-deck lightgage steel joist noise barrier of the present invention comprises two-layer parallel C type lightgage steel joist skeleton 10, and width is 50mm, 75mm or 100mm.The structure of lightgage steel joist skeleton 10 as shown in Figure 1 and Figure 4, described lightgage steel joist skeleton 10 comprise be fixed on matrix 81 along top keel 11, be fixed on lower substrate 82 along ground joist 12 and the frame keel (not shown) being fixed on both sides matrix, described along top keel 11, form the installation frame of light steel dragon 10 along ground joist 12 and frame keel so as vertical keel 14, logical installation of passing through keel 15 and lateral keel 16.Described upper matrix 81 is smallpox, and described lower substrate 82 is ground or alley, and described both sides matrix is body of wall or post.
It is described along top keel 11 and along between ground joist 12 that multiple vertical keel 14 with 300mm-400mm is that two ends, lateral separation are fixedly connected on, described vertical keel 14 is provided with can for the logical through hole passing through keel 15 and pass, at least one is logical passes through keel 15 level and runs through described vertical keel 14 and be connected between described frame keel, and logical longitudinal separation of passing through keel 15 is 800-900mm.
Mesosphere board 20 and surface layer plate 40 are laterally formed by connecting with vertical by multiple laminate respectively, have transverse joint 72 and longitudinal seam 71, the transverse edge of each laminate and longitudinal edge are connected on described lateral keel 16 and vertical keel 14 (referring to hereafter).
The two sides of described mesosphere board 20 respectively be affixed inside contiguous described two-layer lightgage steel joist skeleton 10 and be fixedly connected with by self-tapping screw, surface layer plate 40 is fixedly connected on the outside of two-layer described lightgage steel joist skeleton 10 by self-tapping screw.Described mesosphere board 20 is 2.4m with the height of surface layer plate 40 and setting height(from bottom) is identical, and width is 1.2m, and the former thickness is 9.5mm, and the latter's thickness is 12mm, and material is Thistle board, magnetic board or calcium silicate board.Width due to mesosphere board 20 and surface layer plate 40 is just in time 3 times of the horizontal spacing of vertical keel 14, each mesosphere board 20 and the longitudinal edge of surface layer plate 40 to be dropped on vertical keel 14 and are fixedly connected with by self-tapping screw, transverse edge is dropped on lateral keel 16 (referring to hereafter) and goes up and be fixedly connected with by self-tapping screw, and described self-tapping screw is 10 ~ 20mm apart from the edge of described mesosphere board 20 and surface layer plate 40.
Described surface layer plate 40 is two-layer, comprises the second surface layer plate 40b in first surface laminate 40a and the close outside being close to described lightgage steel joist skeleton 10.As shown in Figure 2, except edge is fixed on vertical keel 14, each mesosphere board 20 is fixedly connected with 2 vertical keels 14 by self-tapping screw with the middle part of first surface laminate 40a.On sustained height, mutually the stagger vertical abutment joint 71 of a vertical keel 14, second surface layer plate 40b and described first surface laminate 40a of the vertical abutment joint 71 of mesosphere board 20 and first surface laminate 40a staggers a vertical keel 14 mutually.Stagger vertical abutment joint between levels 71 vertical abutment joint 71 of mesosphere board 20 or surface layer plate 40 (no matter be) vertical keel 14 mutually, all vertical abutment joints 71 are avoided to drop on same vertical keel 14, prevent on the one hand that vertical keel 14 load-bearing is excessive, stress is too concentrated and caused distortion, prevent mesosphere board 20 and surface layer plate 40 owing to staggering along vertical abutment joint 71 under gravity on the other hand, improve stability.
Described surface layer plate 40 also can be one deck, namely retains described first surface laminate 40a, cancels the second surface layer plate 40b.
Described lightgage steel joist skeleton 10 also comprises many row's lateral keel 16, as shown in figures 1 and 3, this lateral keel 16 cross sectional shape be C type and with along to push up keel 11 identical with along ground joist 12 width, the length of each lateral keel 16 and the horizontal spacing adaptation of vertical keel 14, multistage lateral keel 16 end to end level connection joint between adjacent described vertical keel 14, thus shape lateral keel 16 in a row.Connected mode is that pulling rivet connects (every junction is no less than 2 rivets), and mesosphere board 20 is connected with its both sides by self-tapping screw with surface layer plate 40.The arrangement of described lateral keel 16 is as follows: the transverse joint 72 along mesosphere board 20 and surface layer plate 40 arranges the described lateral keel 16 of a row, and arranges row's lateral keel 16 every the longitudinal pitch of 600mm-800mm.Because the height of mesosphere board 20 and surface layer plate 40 is 2.4m, except top and bottom margin connect with lateral keel 16, middle part is also arranged lateral keel 16 with 2 to 3 and is connected, strengthen the structural strength of lightgage steel joist skeleton 10 on the one hand, can provide support described mesosphere board 20 and surface layer plate 40 on the other hand, fall stress concentration, increase the stability of mesosphere board 20 and surface layer plate 40, avoid highly increasing causing distortion, be conducive to increasing height.
Sound insulation materials 30 comprises glass wool, mineral wool board or rock cotton board etc., and thickness is 50mm, and unit weight is 48kg/m
3, be filled in every layer of lightgage steel joist skeleton 10, by bonding paving in mesosphere board 20 both sides, until be paved with whole lightgage steel joist skeleton 10, play sound-absorbing, soundproof effect.
Through test, the height of the double-deck lightgage steel joist noise barrier of the present invention can reach 4.5m-6m, stabilized structure, overcomes the defect that keel structure is out of shape because highly increasing; Testing result proves, weighted transmission loss can reach 55-60Db, even if next door cutting machine carries out operation, the level of noise in room, still lower than 45 decibels, effectively deadens sound transmission, meets designing requirement, improves soundproof effect.
The construction method of described double-deck lightgage steel joist noise barrier comprises the steps:
A, snap the line, stepping.Snap the line refers to length by the first lightgage steel joist skeleton 10a and upper matrix 81, lower substrate 82 and matrix joint, both sides and width snap the line, and snap the line should be clear, and position is accurate.Stepping refers to height by designing requirement or described mesosphere board 20 and surface layer plate 40 and width stepping, and to determine vertical keel 14, the logical installation site passing through keel 15 and lateral keel 16, the size of described mesosphere board 20 and surface layer plate 40 is see above.
B, install the first lightgage steel joist skeleton 10a along top keel 11 and along ground joist 12.To be fixed on upper matrix 81, will be fixed on lower substrate 82 along ground joist 12 along snap the line nailing described in step a or expansion bolt along top keel 11, the spacing of described nailing or expansion bolt be 800mm.
C, the frame keel of the first lightgage steel joist skeleton 10a are installed.Along snap the line nailing described in step a or expansion bolt, frame keel are fixed on both sides matrix, frame keel both ends should be fixed, and the spacing of described nailing or expansion bolt is 800mm, install weather strip between described frame keel and both sides matrix by designing requirement.
D, install the first lightgage steel joist skeleton 10a vertical keel 14 and logical pass through keel 15.Multiple vertical keel about 14 two ends are inserted along top keel 11 and along ground joist 12, after adjusting vertical and accurate positioning, fix with pulling rivet, according to stepping described in step a, determine the vertical abutment joint 71 of described mesosphere board 20 and surface layer plate 40, every 300mm-400mm, a vertical keel 14 is installed in vertical abutment joint 71 place and transverse direction.The logical keel 15 that pass through are by designing requirement or be that longitudinal pitch level runs through described vertical keel 14 and is connected with frame keel with 800-900mm.
E, the lateral keel 16 of the first lightgage steel joist skeleton 10a is installed.Stepping according to step a, determine the transverse joint 72 of described mesosphere board 20 and surface layer plate 40, fix multiple lateral keel 16 along described transverse joint 72 continuous level end to end between adjacent vertical keel 14, and longitudinally according to same method, the described lateral keel 16 of one row is installed every 600mm-800mm.
F, installation mesosphere board 20.Mesosphere board 20 be close to described first lightgage steel joist skeleton 10a side and be fixedly connected with by self-tapping screw, the vertical abutment joint 71 of mesosphere board 20 to drop on vertical keel 14 and by self-tapping screw, vertical edges is fixed on described vertical keel 14, and described mesosphere board 20 transverse joint 72 to drop in lateral keel 16 described in step e and by self-tapping screw, transverse edge is fixed on described lateral keel 16.Stagger between vertical abutment joint 71 levels of mesosphere board 20 vertical keel 14 mutually.
G, the second lightgage steel joist skeleton 10b is installed.According to the mounting means of the first lightgage steel joist skeleton 10a described in described step a, step b, step c, steps d and step e, the second lightgage steel joist skeleton 10b is installed on the opposite side of the relative described first lightgage steel joist skeleton 10a of described mesosphere board 20, and is connected with described mesosphere board 20 by self-tapping screw.
H, sound insulation by filling material 30.By bonding for sound insulation materials 30 paving in described mesosphere board 20 both sides, until be paved with described first lightgage steel joist skeleton 10a and the second lightgage steel joist skeleton 10b.
I, installed surface laminate 40.With self-tapping screw, one deck or two-layer surface layer plate 40 are individually fixed in the outside of described first lightgage steel joist skeleton 10a and the second lightgage steel joist skeleton 10b, on sustained height, mutually the stagger vertical abutment joint 71 of a vertical keel 14, second surface layer plate 40b and first surface laminate 40a of the vertical abutment joint 71 of first surface laminate 40a and mesosphere board 20 staggers a vertical keel 14.The vertical abutment joint of described first surface laminate 40a to drop on vertical keel 14 and by self-tapping screw, vertical edges is fixed on described vertical keel 14, and its transverse joint 72 to drop in lateral keel 16 described in step e and by self-tapping screw, transverse edge is fixed on described lateral keel 16.Stagger between vertical abutment joint 71 levels of described surface layer plate 40 vertical keel 14 mutually.
It should be noted that mesosphere board 20 and surface layer plate 40 are not more than 200mm along the self-tapping screw spacing of its periphery, mid portion self-tapping screw spacing is not more than 300mm.When mesosphere board 20 and surface layer plate 40 are installed, should from the middle part of plate to the Four built in boundaries of plate, ailhead is slightly imbedded in plate, but must not damage paper; Hole for nailing application putty is floating, and gypsum plank should use whole plate, during as docked, should be near, but must not suppress in place.
Claims (4)
1. a construction method for double-deck lightgage steel joist noise barrier, is characterized in that, comprise the following steps:
A, snap the line, stepping;
B, install the first lightgage steel joist skeleton (10a) along top keel (11) and along ground joist (12);
C, the frame keel of the first lightgage steel joist skeleton (10a) are installed;
D, install the first lightgage steel joist skeleton (10a) vertical keel (14) and logical pass through keel (15);
E, the lateral keel (16) of the first lightgage steel joist skeleton (10a) is installed;
F, installation mesosphere board (20);
G, the second lightgage steel joist skeleton (10b) is installed;
H, sound insulation by filling material (30);
I, installed surface laminate (40);
Snap the line in described step a refers to length by the first lightgage steel joist skeleton (10a) and upper matrix (81), lower substrate (82) and matrix joint, both sides and width snap the line, stepping refers to height by described mesosphere board (20) and surface layer plate (40) and width stepping, to determine vertical keel (14), the logical installation site passing through keel (15) and lateral keel (16);
Described step b refers to along snap the line described in step a and will be fixed on upper matrix (81), will be fixed on lower substrate (82) along ground joist (12) along top keel (11);
Described step c refers to along snap the line described in step a and frame keel is fixed on both sides matrix;
Described steps d refers to and to be vertically installed on by multiple vertical keel (14) along top keel (11) and along between ground joist (12), laterally installs a vertical keel (14) every 300mm-400mm according to stepping described in step a; The logical keel (15) that pass through are that longitudinal pitch level runs through described vertical keel (14) and is connected with frame keel with 800-900mm;
Described step e refers to the stepping according to step a, determine the transverse joint (72) of described mesosphere board (20) and surface layer plate (40), fix multiple lateral keel (16) along described transverse joint (72) continuous level end to end between adjacent vertical keel (14), and longitudinally every 600mm-800mm, the one described lateral keel of row (16) is installed;
Described step f refers to and mesosphere board (20) is fixedly connected on described first lightgage steel joist skeleton (10a) side, the vertical abutment joint (71) of described mesosphere board (20) drops on described vertical keel (14), the transverse joint (72) of described mesosphere board (20) drops in described lateral keel (16), a vertical keel (14) of staggering between its vertical abutment joint (71) levels;
Described step g refers to that the second lightgage steel joist skeleton (10b) is installed on the opposite side of the relative described first lightgage steel joist skeleton (10a) of described mesosphere board (20) by the mounting means according to the first lightgage steel joist skeleton (10a) described in described step a, step b, step c, steps d and step e, and is fixedly connected with described mesosphere board (20);
Described step h refers to by sound insulation materials (30) bonding paving in described mesosphere board (20) both sides, until be paved with described first lightgage steel joist skeleton (10a) and the second lightgage steel joist skeleton (10b);
Described step I refers to outside surface layer plate (40) being fixed on described first lightgage steel joist skeleton (10a) and the second lightgage steel joist skeleton (10b), setting height(from bottom) is identical with described mesosphere board (20), be close to described first lightgage steel joist skeleton (10a) and the first surface laminate (40a) of the second lightgage steel joist skeleton (10b) and the vertical abutment joint (71) of mesosphere board (20) mutually to stagger a vertical keel (14), mutually to stagger between vertical abutment joint (71) levels a vertical keel (14), transverse joint (72) drops in described lateral keel (16), the vertical abutment joint (71) of the second surface layer plate (40b) near outside and the vertical abutment joint (71) of described first surface laminate (40a) stagger.
2. the construction method of a kind of double-deck lightgage steel joist noise barrier according to claim 1, it is characterized in that, in described step I, described surface layer plate (40) is 2 layers, and the vertical abutment joint (71) of the second surface layer plate (40b) near outside and the vertical abutment joint (71) of described first surface laminate (40a) stagger.
3. the construction method of a kind of double-deck lightgage steel joist noise barrier according to claim 1 and 2, is characterized in that, described mesosphere board (20) is 2.4m with the height of surface layer plate (40), and width is 1.2m.
4. the construction method of a kind of double-deck lightgage steel joist noise barrier according to claim 1 and 2, it is characterized in that, described mesosphere board (20) is fixedly connected with described vertical keel (14) by self-tapping screw with the longitudinal edge of surface layer plate (40), transverse edge is fixedly connected with described lateral keel (16) by self-tapping screw, and described self-tapping screw is 10 ~ 20mm apart from the edge of described mesosphere board (20) and surface layer plate (40).
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