CN109577565B - Slope roof construction method adopting large-span hyperbolic high-wave profiled steel sheet - Google Patents
Slope roof construction method adopting large-span hyperbolic high-wave profiled steel sheet Download PDFInfo
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- CN109577565B CN109577565B CN201811611427.XA CN201811611427A CN109577565B CN 109577565 B CN109577565 B CN 109577565B CN 201811611427 A CN201811611427 A CN 201811611427A CN 109577565 B CN109577565 B CN 109577565B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
- E04D3/16—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D15/00—Apparatus or tools for roof working
- E04D15/04—Apparatus or tools for roof working for roof coverings comprising slabs, sheets or flexible material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D15/00—Apparatus or tools for roof working
- E04D15/04—Apparatus or tools for roof working for roof coverings comprising slabs, sheets or flexible material
- E04D2015/042—Fixing to the roof supporting structure
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Abstract
The invention relates to a slope roof construction method adopting a large-span hyperbolic high-wave profiled steel sheet, which comprises the following process flows: the method comprises the steps of paying off by radian → arranging an embedded plate → placing and fixedly welding a stand column and a purline → waterproofing a stand column node → installing a high-wave profiled steel sheet → installing an aluminum buckle plate. The construction method of the invention is a technological construction method combining a section steel sloping roof with a traditional roof, namely, a layer of high-wave compression steel plate is covered on the original structural roof. The construction method of the invention is a secondary protection design for the roof, and achieves the effects of beautiful appearance, heat preservation, fire prevention, environmental protection, corrosion resistance, secondary water resistance and the like on the premise of not reducing the design standard. The construction method has advanced technology, scientific design and simple construction, reduces the construction cost to the maximum extent on the premise of ensuring the construction quality, realizes the construction purposes of low cost and high quality, and has good economic and social benefits.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a slope roof construction method adopting a large-span hyperbolic high-wave profiled steel plate.
Background
The traditional roof is mainly formed by combining a heat-insulating layer, a coiled material waterproof layer and concrete. The traditional roof can be aged after being used for a certain time, the aging of the traditional roof can be accelerated after the traditional roof is exposed for a long time, the normal use (such as water leakage, heat preservation and the like) is influenced after the roof is aged, the attractive effect is also influenced, the roof has to be constructed and repaired again, and the time, the labor and the cost are wasted. Particularly, for sloping roofs with large span and large gradient, the repair is time-consuming, labor-consuming and expensive, and the construction repair difficulty is large.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a slope roof construction method adopting a large-span hyperbolic high-wave profiled steel sheet.
The invention is realized by the following steps:
a slope roof construction method adopting a large-span hyperbolic high-wave profiled steel sheet comprises the following process flows: the method comprises the following steps of (1) arranging a radian line → arranging an embedded plate → placing and fixedly welding a stand column, a purline → waterproofing a stand column node → installing a high-wave profiled steel sheet, and comprises the following steps:
1) paying-off in radian
Setting out a hyperbolic curve, and determining the central position and the main axis direction of a hyperbolic plane graph according to a construction drawing; the method includes the steps that a PDCA quality management method is introduced, firstly, a computer is used for carrying out 3d modeling, whether radian is accurately combined with gradient is checked, a theodolite is used for measuring and paying off a real object, finally, the height of profile steel and an upright post is manually measured and adjusted to determine the placement of an arc, the deviation is controlled within 0.5mm, and no pore or interlayer exists between a profiled steel plate and a purline;
2) embedded plate arrangement
The embedded plate adopts Q235 grade, the specification is 150mm multiplied by 200mm multiplied by 2mm, a high-strength chemical anchor bolt M10 multiplied by 12mm is adopted, and the drilling depth is 90 mm; designing a pulling force value to be 13KN, and designing a limit pulling force to be 30.25 KN;
3) placing and fixing welded upright post and purline
The upright posts and the purlines are galvanized square tubes with the thickness of 100mm multiplied by 2mm, and are welded and fixed with the embedded plates;
4) waterproof column joint
Wrapping waterproof concrete at the edge of the upright column to form a slope, then fully paving a waterproof coiled material with the thickness of 3mm on the upper part, wherein the size of the waterproof coiled material is that the diameter D +500mm of the upright column, sealing the upper and lower layers of coiled materials by using a special sealant, and brushing a high-molecular coating film with the thickness of 1.5 mm;
5) installation of high-wave profiled steel sheet
Firstly, connecting high-wave profiled steel plates with purlins by using 60-shaped brackets, wherein three high-wave profiled steel plates are arranged for each wave, the high-wave profiled steel plates are longitudinally communicated with the roof, and the lap joint of the plates is hermetically connected by adopting an upright overlocking mode; secondly, sequentially laying high-wave profiled steel sheets from one end of the roof or the wall surface, and simultaneously laying, adjusting the position and fixing; thirdly, in order to prevent water leakage of the roof, a cementing and sealing agent is used at the joint of the high-wave profiled steel sheet and the parapet in the longitudinal direction, and sealant is additionally coated at the four-side lap joint and the cornice of the sheet.
As a preferable technical solution, in order to avoid the problems of easy breakdown, large deformation, poor weld bead formation, and the like of welding, in step 3) of the above construction method, the specific operations of welding are as follows:
firstly, controlling the gap between the two plates within 0.5mm, and cleaning cutting slag and cutting burrs at the edge of a welding opening; the butt joint deviation of the butt joint positions of the two plates is not more than 0.2 mm-0.3 mm; welding by adopting a welding rod with the diameter of 2.0 mm-3.2 mm, wherein the spacing of the positioning welding is 305mm, and the positioning welding line is in a point shape;
fourthly, processing the galvanized weld craters: as the arc temperature of welding can reach 1000 ℃, the zinc layer is damaged by high temperature, so that the zinc layer at the welding position can be burnt to lose the function of corrosion prevention. Therefore, special treatment is carried out on the galvanized weld craters, and the method specifically comprises the following steps: firstly, polishing the welding part and the 5cm area at the two sides of the welding part by using a steel wire wheel, coating a layer of high-strength resin paint, and coating a layer of zinc-rich paint after the resin paint is completely dried.
Preferably, after the high-wave profiled steel sheet in the step 5) is completely installed, an aluminum chute buckle plate is installed at the slope bottom edge of the whole high-wave profiled steel sheet.
The construction method is a process construction method for combining a section steel slope roof with a traditional roof, and is a process for replacing the traditional roof by a profiled steel sheet, namely, a layer of high-wave profiled steel sheet is covered on the original structural roof, the large-span hyperbolic high-wave profiled steel sheet roof is an S-shaped hyperbolic continuous arc roof, and two sides of the large-span hyperbolic high-wave profiled steel sheet roof are provided with structural parapet walls. The construction method of the invention is to carry out secondary protection design on the roof, so that the whole roof forms a 'water-dripping-leakage-free' retro metal cover plate, and the effects of beautiful appearance, heat preservation, fire prevention, environmental protection, corrosion resistance, secondary water resistance and the like are achieved on the premise of not reducing the design standard. The construction method has advanced technology, scientific design and simple construction, reduces the construction cost to the maximum extent on the premise of ensuring the construction quality, realizes the construction purposes of low cost and high quality, simultaneously solves the problem of large construction difficulty caused by large gradient, large span and unsmooth drainage of the sloping roof, and has good economic and social benefits.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a roof elevation.
In the figure: 1-upright column, 2-horizontal purline, 3-vertical purline, 4-high wave profiled steel sheet and 5-aluminous gusset plate.
Detailed Description
In order that those skilled in the art will better understand the present invention, a more complete and complete description of the present invention is provided below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1, the invention provides a slope roof construction method using a large-span hyperbolic high-wave profiled steel sheet, comprising the following steps:
1) paying-off in radian
Setting out a hyperbolic curve, and determining the central position and the main axis direction of a hyperbolic plane graph according to a construction drawing; the method includes the steps that a PDCA quality management method is introduced, firstly, a computer is used for carrying out 3d modeling, whether radian is accurately combined with gradient is checked, a theodolite is used for measuring and paying off a real object, finally, the height of profile steel and an upright post is manually measured and adjusted to determine the placement of an arc, the deviation is controlled within 0.5mm, and no pore or interlayer exists between a profiled steel plate and a purline;
2) embedded plate arrangement
The embedded plate adopts Q235 grade, the specification is 150mm multiplied by 200mm multiplied by 2mm, a high-strength chemical anchor bolt M10 multiplied by 12mm is adopted, and the drilling depth is 90 mm; designing a pulling force value to be 13KN, and designing a limit pulling force to be 30.25 KN;
3) placing and fixing welded upright post and purline
The column 1 and the purline are galvanized square pipes of 100mm multiplied by 2mm, the purline is composed of horizontal purlines 2 and vertical purlines 3, the horizontal purlines 2 and the vertical purlines 3 are mutually crossed to form a grid shape, the column 1 is welded and fixed at each node of the cross of the horizontal purlines and the vertical purlines below the purlines, and finally the whole body composed of the purlines and the column 1 is welded with the embedded plate; the specific welding operation is as follows: controlling the gap between the two plates within 0.5mm, and cleaning cutting slag and cutting burrs at the edge of a welding opening: the butt joint deviation of the butt joint positions of the two plates is not more than 0.2 mm-0.3 mm; welding rod that adopts the diameter to be 2.0mm ~3.2mm welds, and the interval of tack welding is 305mm, and the tack weld is the punctiform: fourthly, processing the galvanized weld craters: firstly, polishing the welding part and the 5cm area at the two sides of the welding part by using a steel wire wheel, coating a layer of high-strength resin paint, and coating a layer of zinc-rich paint after the resin paint is completely dried;
4) waterproof column joint
Wrapping waterproof concrete at the edge of the upright post 1 to form a slope, then fully paving a waterproof coiled material with the thickness of 3mm on the upper part, wherein the size of the waterproof coiled material is that the diameter D +500mm of the upright post, sealing the upper and lower layers of the coiled material by using a special sealant, and brushing a high-polymer coating film with the thickness of 1.5 mm;
5) installation of high-wave profiled steel sheet
Firstly, connecting high-wave profiled steel plates 4 with purlins by adopting 60-shaped brackets, arranging three high-wave profiled steel plates 4 in each wave, longitudinally connecting the high-wave profiled steel plates 4 with a roof, and hermetically connecting the lap joint wave parts of the plates by adopting an upright overlocking mode; secondly, the high-wave profiled steel sheet 4 is laid in sequence from one end of the roof or the wall surface, and the laying, position adjustment and fixing are carried out simultaneously; thirdly, in order to prevent water leakage of the roof, a cementing and sealing agent is used at the joint of the high-wave profiled steel sheet 4 and the parapet wall in the longitudinal direction, and sealant is coated at the four-side lap joint and the cornice of the sheet;
6) aluminous gusset plate mounting
And after the high-wave profiled steel sheet 4 is completely installed, installing an aluminum chute buckle plate 5 at the slope bottom edge of the whole high-wave profiled steel sheet 4.
Comprehensive reconstruction project of performance center of Shanxi province promotion center, building area 19128.48m2Construction is started in 2016 and completed in 2018 and 11 months, and the roof of the project is constructed by the construction method disclosed by the invention and has consistent favorable comments of supervision and prescriptions A. The construction method reasonably arranges the construction machinery, accelerates the construction period, reduces the construction cost, is scientific and reasonable in technology particularly for the welding construction part, combines the reality, not only saves the construction cost, but also ensures the engineering quality by secondary water prevention and drainage of the roof, obtains better benefit, saves the cost by about 80 ten thousand yuan in the engineering, and is promoted and rewarded by owners for a plurality of times with high speed and good quality.
The technical solutions in the embodiments of the present invention are clearly and completely described above, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (2)
1. A slope roof construction method adopting a large-span hyperbolic high-wave profiled steel sheet is characterized by comprising the following steps:
1) paying-off in radian
Setting out a hyperbolic curve, and determining the central position and the main axis direction of a hyperbolic plane graph according to a construction drawing; the method includes the steps that a PDCA quality management method is introduced, firstly, a computer is used for carrying out 3d modeling, whether radian is accurately combined with gradient is checked, a theodolite is used for measuring and paying off a real object, finally, the height of profile steel and an upright post is manually measured and adjusted to determine the placement of an arc, the deviation is controlled within 0.5mm, and no pore or interlayer exists between a profiled steel plate and a purline;
2) embedded plate arrangement
The embedded plate adopts Q235 grade, the specification is 150mm multiplied by 200mm multiplied by 2mm, a high-strength chemical anchor bolt M10 multiplied by 12mm is adopted, and the drilling depth is 90 mm; designing a pulling force value to be 13KN, and designing a limit pulling force to be 30.25 KN;
3) placing and fixing welded upright post and purline
The upright posts and the purlins are galvanized square pipes with the thickness of 100mm multiplied by 2mm, each purline consists of a horizontal purline and a vertical purline, the horizontal purlines and the vertical purlines are mutually crossed to form a grid shape, the upright posts are welded and fixed at each node where the horizontal purlines and the vertical purlines are crossed below the purlines, and finally the whole body consisting of the purlines and the upright posts is welded with the embedded plate; during welding, the specific operation is as follows: firstly, controlling the gap between the two plates within 0.5mm, and cleaning cutting slag and cutting burrs at the edge of a welding opening; the butt joint deviation of the butt joint positions of the two plates is not more than 0.2 mm-0.3 mm; welding by adopting a welding rod with the diameter of 2.0 mm-3.2 mm, wherein the spacing of the positioning welding is 305mm, and the positioning welding line is in a point shape; fourthly, processing the galvanized weld craters: firstly, polishing the welding part and the 5cm area at the two sides of the welding part by using a steel wire wheel, coating a layer of high-strength resin paint, and coating a layer of zinc-rich paint after the resin paint is completely dried;
4) waterproof column joint
Wrapping waterproof concrete at the edge of the upright column to form a slope, then fully paving a waterproof coiled material with the thickness of 3mm on the upper part, wherein the size of the waterproof coiled material is that the diameter D +500mm of the upright column, sealing the upper and lower layers of coiled materials by using a special sealant, and brushing a high-molecular coating film with the thickness of 1.5 mm;
5) installation of high-wave profiled steel sheet
Firstly, connecting high-wave profiled steel plates with purlins by using 60-shaped brackets, wherein three high-wave profiled steel plates are arranged for each wave, the high-wave profiled steel plates are longitudinally communicated with the roof, and the lap joint of the plates is hermetically connected by adopting an upright overlocking mode; secondly, sequentially laying high-wave profiled steel sheets from one end of the roof or the wall surface, and simultaneously laying, adjusting the position and fixing; thirdly, in order to prevent water leakage of the roof, a cementing and sealing agent is used at the joint of the high-wave profiled steel sheet and the parapet in the longitudinal direction, and sealant is additionally coated at the four-side lap joint and the cornice of the sheet.
2. The pitched roof construction method adopting the large-span hyperbolic high-wave profiled steel sheet according to claim 1, characterized in that: and (5) after the high-wave profiled steel sheet in the step 5) is completely installed, installing an aluminum gusset plate at the slope bottom edge of the whole high-wave profiled steel sheet.
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| CN104563513B (en) * | 2015-02-07 | 2016-08-17 | 河北启德建设集团有限公司 | The construction method of flat roof water-proof insulation construction |
| CN104790595B (en) * | 2015-05-15 | 2017-07-14 | 山西五建集团有限公司 | Pitched roof adjustable tile system construction method |
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| CN106677439A (en) * | 2017-01-17 | 2017-05-17 | 浙江勤业建工集团有限公司 | Hidden button type super-long metal roof standing seam and construction method thereof |
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