CN115059300A - Purlin-free single-layer color steel plate roof structure and method thereof - Google Patents
Purlin-free single-layer color steel plate roof structure and method thereof Download PDFInfo
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- CN115059300A CN115059300A CN202210650035.4A CN202210650035A CN115059300A CN 115059300 A CN115059300 A CN 115059300A CN 202210650035 A CN202210650035 A CN 202210650035A CN 115059300 A CN115059300 A CN 115059300A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 80
- 239000010959 steel Substances 0.000 title claims abstract description 80
- 239000002356 single layer Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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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
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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
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention discloses a purlin-free single-layer color steel plate roof structure and a method thereof, wherein the purlin-free single-layer color steel plate roof structure comprises a plurality of roof trusses, transverse supports, longitudinal supports, a roof tie bar and a color steel roof plate, the transverse supports and the longitudinal supports are arranged among the roof trusses, each roof truss comprises a lower chord, two upper chords and a plurality of web members, the upper chord is supported above the lower chord through the web members, the roof tie bar is arranged at the joint of the upper chord and the web members, and the color steel roof plate is arranged on the roof tie bar; the invention provides a single-layer color steel plate roof structure without purlines and convenient and fast to install and a method thereof.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a purlin-free single-layer color steel plate roof structure and a method thereof.
Background
In conventional design, the color steel plate roof usually adopts the forms of a roof steel truss (roof steel beam), a roof purline system and a low-wave color steel plate. The space between the roof purlines is about 1.5m, and 1-3 single-layer or double-layer straight pull strips, diagonal pull strips and support rods are arranged among the purlines to form a stable plane structure. The roof system is light and convenient, is widely applied to practical engineering, and has the unique defects of a large number of roof purline system components, large workload of deep design, processing operation and high-altitude operation, and certain construction difficulty and danger.
In summary, the prior art also lacks a single-layer color steel plate roof structure and a method thereof which are convenient to install and do not have purlins.
Disclosure of Invention
The invention provides a single-layer color steel plate roof structure without purlines and convenient and fast to install and a method thereof.
To achieve the purpose, the invention provides the following technical scheme:
the invention provides a method for a purlin-free single-layer color steel plate roof structure, which comprises the following steps:
s1, determining the type of the color steel roof panel and the distance between purlines;
s2, customizing components, dividing installation units and determining an installation sequence;
s3, sequentially mounting a plurality of roof trusses on the top of the structural column;
s4, installing transverse supports and longitudinal supports in the gaps of the plurality of roof trusses;
s5, installing a roof tie bar on the top of the roof truss;
and S6, installing the color steel roof panel on the roof tie bar.
Preferably, in step S5, the roof tie bar is engaged with the roof truss in an arc shape.
Preferably, the roof truss comprises a lower chord, two upper chords and a plurality of web members, and the upper chords are supported above the lower chord through the web members.
The invention provides a purlin-free single-layer color steel plate roof structure, which comprises a plurality of roof trusses, transverse supports, longitudinal supports, a roof tie bar and color steel roof plates, wherein the transverse supports and the longitudinal supports are arranged among the roof trusses, each roof truss comprises a lower chord, two upper chords and a plurality of web members, each upper chord is supported above the corresponding lower chord through the corresponding web member, the roof tie bar is arranged at the joint of the corresponding upper chord and the corresponding web member, and the color steel roof plates are arranged on the roof tie bar.
Preferably, the roof structure further comprises a gutter which is arranged at the edge of the roof.
Preferably, the lower chord of the roof steel truss and the joints of the transverse supports and the longitudinal supports form a mature first node, the first node comprises a plurality of X-shaped transverse supports, a plurality of longitudinal supports and a plurality of lower chords, the X-shaped transverse supports are arranged between the outermost 2 adjacent lower chords, and the longitudinal supports are arranged between the head and tail 2 adjacent lower chords.
Preferably, the joints of the transverse supports and the longitudinal supports of the upper chords of the roof steel truss form mature second nodes, each second node comprises a plurality of X-shaped transverse supports, a plurality of longitudinal supports and a plurality of upper chords, and the X-shaped transverse supports and the longitudinal supports are arranged between 2 adjacent upper chords at the head end and the tail end.
Preferably, a mature third node is formed at the joint of the roof tie bar and the upper chord member, the third node comprises a cylindrical upper chord member and a square roof tie bar, and the corner of the square roof tie bar and the connection surface of the square roof tie bar and the cylindrical upper chord member are cambered surfaces.
Preferably, the color steel roof panel is a high-wave plate.
The third aspect of the invention provides a specific design and construction method of a purlin-free single-layer color steel plate roof structure, which comprises the following steps:
step one, defining design conditions;
secondly, determining the plate type of the roof panel and the purline spacing requirement;
thirdly, arranging the roof truss web members according to the pitch requirement;
designing transverse support and vertical support arrangement of the upper chord and the lower chord;
designing a tie bar component, roof drainage and gutter design;
sixthly, dividing the installation units and determining the installation sequence;
step seven, designing a steel structure node;
eighthly, typesetting and designing the roof panel;
step nine, designing a detailed steel structure drawing;
step ten, processing, delivering goods and installing on site.
In conclusion, the invention increases the unsupported span (the allowed spacing of purlines) by optimizing the shapes of the roof color steel plates, simplifies the design of the roof steel truss, and eliminates the whole purline system by using the roof tie bars as the supporting members of the roof color steel plates. The roof tie bar originally needs to ensure the stability of the outside of the roof, and after being used as a purline, no outside support can be arranged; practical engineering has shown that this is possible without much increase in the amount of steel used. By adopting the roofing system, the roofing structure is greatly simplified, the overall steel consumption including the truss, the truss supports and the purlines is optimized, the construction workload, especially the high-altitude workload, is greatly reduced, the construction speed is accelerated, and the roofing system has good economic and construction period benefits.
Compared with the prior art, the invention has the beneficial effects and remarkable progresses that:
1. the roof steel truss is designed according to the large pitch spacing (generally more than or equal to 3m), so that the truss structure is simpler, the steel consumption is reduced, and the processing amount is reduced;
2. the roof purline system is integrally cancelled, the steel consumption is reduced, and the construction workload, especially the overhead operation, is greatly reduced;
3. a special node is designed between the roof tie bar and the roof steel truss, so that the integral field hoisting of the roof plate and the tie bar is facilitated;
4. the roof has the advantages of lighter overall steel consumption, quicker construction and higher safety, and has obvious economic and construction period benefits.
Drawings
To more clearly illustrate the technical solution of the present invention, the drawings required for the embodiment of the present invention will be briefly described below.
It should be apparent that the drawings in the following description are only drawings of some embodiments of the invention, and that other drawings can be obtained by those skilled in the art without inventive exercise, and the other drawings also belong to the drawings required by the embodiments of the invention.
Fig. 1 is an installation effect diagram of a purlin-free single-layer color steel plate roof structure according to an embodiment of the invention;
fig. 2 is a schematic diagram of a roof truss structure of a purlin-free single-layer color steel plate roof structure according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a third node of the middle span portion of the purlin-free single-layer color steel plate roof structure according to the embodiment of the invention;
FIG. 3 is a sectional view taken along line B-B of FIG. 3;
FIG. 3 is a sectional view taken along line A-A of FIG. 3;
fig. 4 is a schematic structural diagram of a third node of an end span portion of a purlin-free single-layer color steel plate roof structure according to an embodiment of the present invention;
in fig. 4 is a cross-sectional view taken along line D-D of fig. 4;
FIG. 4 is a cross-sectional view taken at C-C of the upper portion of FIG. 4;
fig. 5 is a schematic structural view of a first node of a purlin-free single-layer color steel plate roof structure according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a second node of the purlin-free single-layer color steel plate roof structure according to the embodiment of the invention;
the reference numbers include 1, lower chord, 2, upper chord, 3, web members, 4, roof tie bars, 5, color steel roof panels, 6, gutter, 7, structural columns, 8, transverse supports, 9 and longitudinal supports.
Detailed Description
In order to make the purpose, technical solution, beneficial effect and significant progress of the embodiments of the present invention clearer and more complete, the technical solution of the embodiments of the present invention will be described in detail below with reference to the embodiments of the present invention.
It is to be understood that all of the described embodiments are merely some, and not all, embodiments of the invention; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first", "second" and "third" (if present) and the like in the description and the claims of the present invention are used for distinguishing different objects and are not used for describing a specific order. Furthermore, the terms "comprises" and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
It is to be understood that:
in the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, movably connected, or integrated; either directly or indirectly through intervening media, intangible signal, or even optical, communication between two elements, or an interaction between two elements, unless expressly limited otherwise.
The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It should be further noted that the following embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.
The technical means of the present invention will be described in detail below with specific examples.
Example 1
As shown in fig. 1 and 2, a purlin-free single-layer color steel plate roof structure is shown, which comprises a lower chord 1, an upper chord 2, web members 3, a roof tie bar 4, a color steel roof panel 5, a gutter 6, a structural column 7, a transverse support 8 and a longitudinal support 9, wherein a roof truss comprises a lower chord 1, two upper chords 2 and a plurality of web members 3, the upper chord 2 is supported above the lower chord 1 through the web members 3, the transverse support 8 and the longitudinal support 9 are arranged between a plurality of roof trusses, the roof tie bar 4 is arranged at the joint of the upper chord 2 and the web members 3, and the color steel roof panel 5 is arranged on the roof tie bar 4. The gutter 6 is arranged at the edge of the roof. The roof truss is placed on the structural columns 7.
In this embodiment, the color steel roof panel is a high-wave panel. The unsupported length of the roof panels (allowing purlin spacing) is increased to over 3 m.
In this embodiment, the lower chord has a length of 16 m.
In this embodiment, the upper chord has a length of 8.6 m.
In this embodiment, the lower chord, the upper chord and the web members are rolled tubes.
In summary, the whole roof system of the embodiment is composed of a plurality of roof steel trusses, transverse supports, longitudinal supports, a plurality of roof tie bars and color steel roof panels. The roof steel truss comprises a lower chord, two upper chords and a plurality of web members, and the chords and the web members adopt circular tube sections. And transverse support and longitudinal support are arranged between the roof steel trusses according to the standard requirements. The steel tie bars are arranged at the upper chord nodes of the roof steel truss and are also used as supporting components of the roof color steel plates. The roof color steel plate is a high-wave plate and is fixed on the roof tie bar through a special connecting piece. The roof edge can set up the gutter, and the roof truss is located below structure capital. The connection nodes between the roof steel truss rod pieces, the connection between the truss and the column, the transverse support, the longitudinal support and the like all adopt mature nodes. The whole roof purline system is completely cancelled, and the roof color steel plate is directly fixed on the roof tie bar.
Example 2
As shown in fig. 3 and 4, a structural schematic diagram of a third node of a purlin-free single-layer color steel plate roof structure is shown, the structural schematic diagram includes an upper chord 2 and a roof tie bar 4, a mature third node is formed at the joint of the roof tie bar 4 and the upper chord 2, the upper chord 2 is a cylinder and the roof tie bar is a square body, and the corner of the square roof tie bar and the connection surface of the corner and the cylinder upper chord are arc surfaces. At the middle span part, 2 roof tie bars 4 wrap the 3/4 periphery of the upper chord 2 to form a stable connecting node. At the end span part, 1 roof tie bar 4 at the tail end wraps the peripheries of 1/3-1/2 of the upper chords 2 to form a stable connecting node.
In conclusion, the roof tie bar and the upper chord are connected in a double-clamp sitting mode (as shown in fig. 3), when the tie bar and the roof color steel plate are combined and then integrally hoisted, the tie bar can be directly seated on the gusset plate, the whole structure can be guaranteed to be stable after unhooking without temporary fixation, and construction is very convenient. The node can also meet the overhanging requirement of the gable side (as shown in fig. 4).
Example 3
As shown in fig. 5, a structural schematic diagram of a first node of a purlin-free single-layer color steel plate roof structure is shown, the structural schematic diagram includes a lower chord 1, a roof tie bar 4, a transverse support 8 and a longitudinal support 9, the lower chord 1 of a roof steel truss, the joint of the transverse support 8 and the longitudinal support 9 form a mature first node, the first node includes a plurality of X-shaped transverse supports 8, a plurality of longitudinal supports 9 and a plurality of lower chords 1, the X-shaped transverse supports 8 are arranged between the outermost 2 adjacent lower chords 1, and the longitudinal support 9 is arranged between the head and tail 2 adjacent lower chords 1.
Example 4
As shown in fig. 6, a schematic structural diagram of a second node of a purlin-free single-layer color steel plate roof structure is shown, the second node comprises upper chords 2, roof tie bars 4, transverse struts 8 and longitudinal struts 9, a mature second node is formed at the joints of the transverse struts 8 and the longitudinal struts 9 of the upper chords 2 of the roof steel truss, the second node comprises a plurality of X-shaped transverse struts 8, a plurality of longitudinal struts 9 and a plurality of upper chords 2, and the X-shaped transverse struts 8 and the longitudinal struts 9 are both arranged between 2 adjacent upper chords 2 at the head end and the tail end.
Example 5
A purlin-free single-layer color steel plate roof structure method is characterized by comprising the following steps:
s1, determining the type of the color steel roof panel and the distance between purlines;
s2, customizing components, dividing installation units and determining an installation sequence;
s3, sequentially mounting a plurality of roof trusses on the top of the structural column;
s4, installing transverse supports and longitudinal supports in the gaps of the plurality of roof trusses;
s5, installing a roof tie bar on the top of the roof truss;
and S6, installing the color steel roof panel on the roof tie bar.
In this embodiment, in step S5, the roof tie bars are engaged with the roof trusses in an arc shape.
In this embodiment, the roof truss includes a lower chord, two upper chords and a plurality of web members, the upper chord passes through the web members support is in the lower chord top.
During the description of the above description:
the description of the terms "this embodiment," "an embodiment of the invention," "as shown at … …," "further improved technical solution," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention; in this specification, the schematic representations of the terms used above are not necessarily for the same embodiment or example, and the particular features, structures, materials, or characteristics described, etc., may be combined or brought together in any suitable manner in any one or more embodiments or examples; furthermore, those of ordinary skill in the art may combine or combine features of different embodiments or examples and features of different embodiments or examples described in this specification without undue conflict.
Finally, it should be noted that:
the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same;
although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes and modifications may be made, and equivalents may be substituted for elements thereof without departing from the scope of the embodiments of the present invention.
Claims (9)
1. A method for a purlin-free single-layer color steel plate roof structure is characterized by comprising the following steps:
s1, determining the type of the color steel roof panel and the distance between purlines;
s2, customizing components, dividing installation units and determining an installation sequence;
s3, sequentially mounting a plurality of roof trusses on the top of the structural column;
s4, installing transverse supports and longitudinal supports in the gaps of the plurality of roof trusses;
s5, installing a roof tie bar on the top of the roof truss;
and S6, installing the color steel roof panel on the roof tie bar.
2. The method of claim 1, wherein in step S5, the roof tie bars are engaged with the roof trusses in a cambered surface.
3. The method of claim 1, wherein the roof truss includes a lower chord, two upper chords, and a plurality of web members, the upper chords being supported above the lower chord by the web members.
4. The purlin-free single-layer color steel plate roof structure is characterized by comprising a plurality of roof trusses, transverse supports, longitudinal supports, a roof tie bar and color steel roof panels, wherein the transverse supports and the longitudinal supports are arranged between the roof trusses, each roof truss comprises a lower chord, two upper chords and a plurality of web members, the upper chords are supported above the lower chord through the web members, the roof tie bar is arranged at the joint of the upper chords and the web members, and the color steel roof panels are arranged on the roof tie bar.
5. The purlin-free single-layer color steel sheet roofing structure of claim 4, further comprising a gutter disposed at an edge of the roof.
6. The purlin-free single-layer color steel plate roof structure as claimed in claim 4, wherein the joints of the lower chords of the roof steel truss and the transverse struts and the longitudinal struts form a mature first node, the first node comprises a plurality of X-shaped transverse struts, a plurality of longitudinal struts and a plurality of lower chords, the X-shaped transverse struts are arranged between the outermost 2 adjacent lower chords, and the longitudinal struts are arranged between the first and last 2 adjacent lower chords.
7. The purlin-free single-layer color steel plate roof structure as claimed in claim 4, wherein the joints of the transverse supports and the longitudinal supports of the upper chords of the roof steel truss form mature second nodes, the second nodes comprise a plurality of X-shaped transverse supports, a plurality of longitudinal supports and a plurality of upper chords, and the X-shaped transverse supports and the longitudinal supports are arranged between 2 adjacent upper chords at the head end and the tail end.
8. The purlin-free single-layer color steel plate roof structure as claimed in claim 4, wherein the joints of the roof tie bars and the upper chords form mature third nodes, the third nodes comprise cylindrical upper chords and square roof tie bars, and the corners of the square roof tie bars and the joints of the square roof tie bars and the cylindrical upper chords are cambered surfaces.
9. The purlin-free single-layer color steel sheet roofing structure of claim 4, wherein the color steel roofing sheets are corrugated sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210650035.4A CN115059300A (en) | 2022-06-10 | 2022-06-10 | Purlin-free single-layer color steel plate roof structure and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210650035.4A CN115059300A (en) | 2022-06-10 | 2022-06-10 | Purlin-free single-layer color steel plate roof structure and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116136115A (en) * | 2023-03-24 | 2023-05-19 | 中国核电工程有限公司 | Roof truss supporting system of steam turbine room and arrangement method thereof |
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2022
- 2022-06-10 CN CN202210650035.4A patent/CN115059300A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116136115A (en) * | 2023-03-24 | 2023-05-19 | 中国核电工程有限公司 | Roof truss supporting system of steam turbine room and arrangement method thereof |
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