CN113668852B - Parapet wall formwork structure of steel structure roof and construction method thereof - Google Patents
Parapet wall formwork structure of steel structure roof and construction method thereof Download PDFInfo
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- CN113668852B CN113668852B CN202110981259.9A CN202110981259A CN113668852B CN 113668852 B CN113668852 B CN 113668852B CN 202110981259 A CN202110981259 A CN 202110981259A CN 113668852 B CN113668852 B CN 113668852B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 164
- 239000010959 steel Substances 0.000 title claims abstract description 164
- 238000010276 construction Methods 0.000 title claims abstract description 40
- 238000009415 formwork Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000003466 welding Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 8
- 239000008397 galvanized steel Substances 0.000 claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
-
- 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
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a parapet formwork structure of a steel structure roof and a construction method thereof, and the parapet formwork structure comprises a roof main steel structure, a profiled steel sheet, a plurality of outriggers, a cross beam, a plurality of inclined struts, a plurality of steel stand columns and edge sealing plates, wherein the outriggers are a plurality of beams which are cantilevered from the roof main steel structure, the cross beam is connected to one end, far away from the roof main steel structure, of the outriggers, the top ends of the inclined struts are welded to the bottom end, far away from the roof main steel structure, of the outriggers are welded to the roof main steel structure, steel bar frames are arranged among the plurality of steel stand columns, the edge sealing plates are L-shaped, the bottom edges of the edge sealing plates are positioned at the bottom ends of the steel bar frames and are butted with the profiled steel sheet, the vertical edges of the edge sealing plates are positioned at the outer sides of the steel bar frames and are connected to the steel stand columns in a spot welding manner, and the parapet formwork and the fixing structure are further included. The steel member is easily installed, need not many times formwork and form removal, shortens construction cycle, and steel stand, edge-sealing plate and acting as interim support have solved the template that parapet concrete placement in-process appears and have established the difficulty problem.
Description
Technical Field
The invention belongs to the technical field of building design and construction, and particularly relates to a parapet wall template structure of a steel structure roof and a construction method thereof.
Background
Roofing parapet is the low wall around the roof, can prevent that personnel from falling, also can play the waterproof effect of roofing, and the standard regulation height is not less than 1.2m. The steel structure roof is widely applied to various large-span plants because the steel structure roof is light in weight, quick in construction and free of formwork and concrete pouring.
However, the parapet structure of most steel construction roofing still need adopt the workman to carry out tradition in the wall body inboard and set up the support body, carry out concrete placement in the mode of outside formwork, and the formwork height is no longer than 600mm at every turn, to highly exceeding 1.2 m's parapet, need divide 2 to 3 times to set up and pour, and the process is complicated, and consuming time. In addition, the parapet is for facing the limit structure, and there is the high altitude risk of falling in workman formwork, and when the condition such as the form that expands leaks thick liquid, the processing degree of difficulty is very big, is difficult to guarantee the shaping quality. To the not enough of prior art, develop the parapet template structure of steel construction roofing, can safe quick construction, guarantee construction quality.
Disclosure of Invention
The invention provides a parapet formwork structure of a steel structure roof and a construction method thereof, which are used for solving the high-altitude falling risk of a worker formwork support and effectively preventing the forming quality problem when the conditions of formwork expansion, slurry leakage and the like occur.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a parapet template structure of steel construction roofing, includes roofing main steel construction, profiled sheet, a plurality of outrigger, crossbeam, a plurality of bracing, a plurality of steel stand, banding board and reinforcement, roofing main steel construction is major structure, profiled sheet lays on roofing main steel construction top, a plurality of roof beams that the outrigger was the main steel construction of self-imposed, the crossbeam is connected keeping away from roofing main steel construction one end at a plurality of outriggers, the top welded connection of bracing is in the bottom of roofing main steel construction one end of keeping away from at the outrigger, and the bottom welded connection of bracing is on roofing main steel construction, lays the reinforcing bar frame between a plurality of steel stand, the banding board is the L type, and the base of banding board is located the bottom of reinforcing bar frame and docks with the profiled sheet, and the stile is located the outside of reinforcing bar frame and spot welding on the steel stand, the height of the stile of banding board is the same with the height of steel stand, and the reinforcement welding is on the lateral surface of banding board, the reinforcement is angle steel or square steel pipe, the one side of centre form welds with the banding board, and parapet structure still includes fixed wall template.
Through adopting above-mentioned technical scheme, the steel member is easily installed, and is easy and simple to handle, need not many times formwork and form removal, shortens construction cycle, and steel stand, edge banding board with act as interim support, the template that has solved the parapet concrete placement in-process and has appeared props up the difficulty problem. The edge sealing plate is used as a permanent template, the edge sealing plate does not need to be detached after construction, labor cost is greatly saved, overhead edge facing operation is reduced, safety of parapet construction is improved, a galvanized steel plate is arranged outside the parapet, the appearance is attractive, die expansion risks are reduced, and construction quality is greatly guaranteed.
Preferably, the outriggers are bolted or welded on the main steel structure of the roof, and the cross beams are bolted or welded on the outriggers
Through adopting above-mentioned technical scheme, simple to operate, connection stability is strong.
Preferably, the distance between the angle steels is not more than 500mm, and the distance between the steel upright columns is 1-1.5m.
Through adopting above-mentioned technical scheme, holistic structural strength is reasonable, and the security is high.
Preferably, the steel upright is welded or bolted to the cross beam.
Through adopting above-mentioned technical scheme, to this constructional device, the steel stand can adopt the mode of welding or bolted connection to install on the crossbeam.
Preferably, the edge sealing plate is a galvanized steel plate, and the thickness of the edge sealing plate is 2mm.
Through adopting above-mentioned technical scheme, L type galvanized steel sheet performance parapet outside template's effect, the profiled steel sheet on L type bottom and the main roofing is hugged closely, has acted as the effect of roofing profiled steel sheet sealing plate simultaneously, prevents to leak thick liquid.
Preferably, the cross section of the inclined strut is in the form of an angle steel type, an I-shaped type or a square steel tube type.
Through adopting above-mentioned technical scheme, the cross-sectional form of bracing can adopt the higher shape structure of above-mentioned several kinds of intensity, guarantees that intensity is higher and easy to connect the installation.
Preferably, the cantilever beam has an I-shaped or box-shaped cross section.
Through adopting above-mentioned technical scheme, the outrigger adopts I-shaped or box to guarantee its intensity and easy to connect the installation.
Preferably, the section form of the steel upright column is an I-shaped or square steel tube type.
Through adopting above-mentioned technical scheme, guarantee that the structural strength of steel stand is higher, and the easy to connect installation.
Preferably, the cross-section of the beam is in a form of an i-shape or a box shape.
Through adopting above-mentioned technical scheme, guarantee that the structural strength of crossbeam is higher and easy to connect the installation.
A construction method of a parapet template structure of a steel structure roof comprises the following steps,
step one, determining the length of a cantilever beam according to the distance from a parapet wall to a roof, and then fixing a plurality of cantilever beams on the top end of the side face of a main steel structure of the roof;
step two, installing an inclined strut at the bottom end of the outrigger, wherein the top end of the inclined strut is welded and connected to the bottom end of one end of the outrigger, which is far away from the main steel structure of the roof, and the bottom end of the inclined strut is welded and connected to the main steel structure of the roof;
thirdly, mounting the cross beam at the tail end of the cantilever beam to form a frame structure;
welding or bolting a steel upright post on the cantilever beam;
connecting the L-shaped edge sealing plate to the steel upright post by spot welding, and enabling the bottom of the L-shaped edge sealing plate to be tightly attached to the profiled steel sheet on the main steel structure of the roof;
welding angle steel or square steel on the outer vertical surface of the edge sealing plate, wherein the length of the angle steel is the same as the distance between the steel upright columns, and two ends of the angle steel are welded on the steel upright columns;
and seventhly, binding reinforcing steel bars, erecting a parapet wall inner side template, and pouring concrete to complete construction.
The invention has the beneficial effects that: the steel member is easily installed, and is easy and simple to handle, need not many times formwork and form removal, shortens construction cycle, and steel stand, edge sealing board with act as interim support, the template that has solved parapet concrete placement in-process and has appeared props up the difficulty problem. The edge sealing plate is used as a permanent template, the edge sealing plate does not need to be detached after construction, labor cost is greatly saved, overhead edge facing operation is reduced, safety of parapet construction is improved, galvanized steel plates are arranged outside the parapet, the appearance is attractive, die expansion risks are reduced, and construction quality is greatly guaranteed.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic side view of the structure of a parapet form for a steel roof in accordance with an embodiment of the present invention;
fig. 2 is a schematic structural front view of the parapet formwork of the steel structure roof according to the embodiment of the present invention.
Reference numerals: 1. a main roof steel structure; 2. profiled steel sheets; 3. a cantilever beam; 4. a cross beam; 5. bracing; 6. a steel upright post; 7. edge sealing plates; 8. a reinforcing steel bar frame; 9. a reinforcement.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
Combine fig. 1 and fig. 2, a parapet template structure of steel construction roofing, including roofing main steel structure 1, profiled steel sheet 2, a plurality of outrigger 3, crossbeam 4, a plurality of bracing 5, a plurality of steel stand 6, edge-sealing board 7 and reinforcement 9, roofing main steel structure 1 is the major structure, profiled steel sheet 2 lays on 1 top of roofing main steel structure, outrigger 3 is a plurality of roof beams that hang out from roofing main steel structure 1, crossbeam 4 connects keeping away from 1 one end of roofing main steel structure at a plurality of outrigger 3, the top welded connection of bracing 5 is in the bottom that outrigger 3 keeps away from 1 one end of roofing main steel structure, the bottom welded connection of bracing 5 is on roofing main steel structure 1, lay reinforcing bar frame 8 between a plurality of steel stand 6, edge-sealing board 7 is the L type, the base of edge-sealing board 7 is located reinforcing bar frame 8's bottom and docks with roofing main steel sheet 2, the stile of edge-sealing board 7 is located reinforcing bar frame 8's the outside and is connected on steel stand 6, the height of the edge-sealing board 7 is the same with the steel stand 6, the reinforcing piece is welded connection of steel structure and is not repeated at this edge-sealing board, the fixed angle steel structure and is welded structure, wherein, the fixed angle steel structure is welded structure and the angle steel structure is welded structure is not being constructed on one side.
The steel member is easily installed, and is easy and simple to handle, need not many times formwork and form removal, shortens construction cycle, and steel column 6, edge banding board 7 with act as interim support, have solved the template that parapet concrete placement in-process appears and have erect the difficulty problem. The edge sealing plate 7 is used as a permanent template, and does not need to be detached after construction, so that labor cost is greatly saved, overhead edge facing operation is reduced, the safety of parapet construction is improved, a galvanized steel plate is arranged outside the parapet, the appearance is attractive, the die expansion risk is reduced, and the construction quality is greatly guaranteed.
The distance between the angle steels 9 is not more than 500mm, the distance between the steel upright posts 6 is preferably 1-1.5m, the integral structural strength is reasonable, the safety is high, and the angle steels 9 are used for avoiding the deformation of the edge sealing plate 7.
The steel upright 6 is welded or bolted on the cross beam 4, and for the structural device, the steel upright 6 can be arranged on the cross beam 4 in a welding or bolting mode.
The edge sealing plate 7 is a galvanized steel plate, the thickness of the edge sealing plate 7 is 2mm, the L-shaped galvanized steel plate plays a role of a parapet outer side template, the L-shaped bottom is tightly attached to the profiled steel plate 2 on the main roof, and the L-shaped bottom serves as a sealing plate of the profiled steel plate 2 on the roof to prevent slurry leakage.
Preferably, the cross section of the inclined strut 5 is an angle steel type, an I-shaped type or a square steel tube type, and the cross section of the inclined strut 5 can adopt the above shape structures with higher strength, so that the higher strength is ensured, and the connection and the installation are convenient.
Preferably, the cross section of the outrigger 3 is in an I shape or a box shape, and the strength of the outrigger 3 is ensured by adopting the I shape or the box shape, so that the outrigger is convenient to connect and install.
Preferably, the section form of the steel upright 6 is an I-shaped or square steel tube type, so that the structural strength of the steel upright 6 is high, and the connection and installation are convenient.
Preferably, the cross section of the cross beam 4 is in an I shape or a box shape, so that the structural strength of the cross beam 4 is high, and the cross beam is convenient to connect and mount.
The construction method comprises the following steps of,
step one, determining the length of a cantilever beam 3 according to the distance from a parapet to a roof, and then fixing a plurality of cantilever beams 3 on the top end of the side surface of a main roof steel structure 1;
step two, installing an inclined strut 5 at the bottom end of the cantilever beam 3, wherein the top end of the inclined strut 5 is welded and connected to the bottom end of one end of the cantilever beam 3 far away from the main roof steel structure 1, and the bottom end of the inclined strut 5 is welded and connected to the main roof steel structure 1;
step three, mounting the cross beam 4 at the tail end of the cantilever beam 3 to form a frame structure;
welding or bolting a steel upright post 6 on the cantilever beam 3;
connecting an L-shaped edge sealing plate 7 to the steel upright 6 by spot welding, and enabling the bottom of the L-shaped edge sealing plate to be tightly attached to the profiled steel sheet 2 on the main roof steel structure 1;
welding angle steel or square steel on the outer vertical surface of the edge sealing plate 7, wherein the length of the angle steel is the same as the distance between the steel upright posts 6, and two ends of the angle steel are welded on the steel upright posts 6;
and seventhly, binding reinforcing steel bars, erecting a parapet wall inner side template, and pouring concrete to complete construction.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a parapet template structure of steel construction roofing, its characterized in that: comprises a main roof steel structure (1), a profiled steel sheet (2), a plurality of outriggers (3), a crossbeam (4), a plurality of inclined struts (5), a plurality of steel upright columns (6), edge sealing plates (7) and reinforcing members (9), wherein the main roof steel structure (1) is a main structure, the profiled steel sheet (2) is laid on the top end of the main roof steel structure (1), the outriggers (3) are a plurality of beams which are hung from the main roof steel structure (1), the crossbeam (4) is connected with one end of the main roof steel structure (1) far away from the plurality of outriggers (3), the top end of the inclined strut (5) is welded on the bottom end of the outriggers (3) far away from one end of the main roof steel structure (1), the bottom end of the inclined strut (5) is welded on the main roof steel structure (1), the reinforcing steel frames (8) are arranged between the plurality of the steel upright columns (6), the edge sealing plates (7) are L-shaped, the bottom edges of the edge sealing plates (7) are positioned at the bottom ends of the frames (8) and are butted with the profiled steel sheet (2), the reinforcing members (7) which are welded on the outer side edges of the steel upright columns (6), the edge sealing plates (9), the steel structures (7) and the edge sealing plates (9) are welded on the square steel upright columns (9), and the steel upright columns (9) with the steel sealing plates (9) at the same height, one side of the reinforcing member (9) is welded with the edge sealing plate (7), and the parapet template structure further comprises an inner mold and a fixing structure.
2. The parapet formwork structure of steel structure roofing of claim 1, characterized in that: the cantilever beam (3) is bolted or welded on the main roof steel structure (1), and the cross beam (4) is bolted or welded on the cantilever beam (3).
3. The parapet formwork structure for steel structure roofing, according to claim 1, characterized in that: the spacing of the reinforcing members (9) is not more than 500mm, and the spacing of the steel upright columns (6) is 1-1.5m.
4. The parapet formwork structure for steel structure roofing, according to claim 1, characterized in that: the steel upright posts (6) are connected to the cross beam (4) in a welding or bolting mode.
5. The parapet formwork structure for steel structure roofing, according to claim 1, characterized in that: the edge sealing plate (7) is a galvanized steel plate, and the thickness of the edge sealing plate (7) is 2mm.
6. The parapet formwork structure for steel structure roofing, according to claim 1, characterized in that: the cross section of the inclined strut (5) is in the shape of an angle steel, an I-shaped or a square steel tube.
7. The parapet formwork structure for steel structure roofing, according to claim 1, characterized in that: the cross section of the cantilever beam (3) is I-shaped or box-shaped.
8. The parapet formwork structure for steel structure roofing, according to claim 1, characterized in that: the section form of the steel upright post (6) is I-shaped or square steel tube type.
9. The parapet formwork structure for steel structure roofing, according to claim 1, characterized in that: the cross section of the cross beam (4) is I-shaped or box-shaped.
10. The construction method of the parapet formwork structure of a steel structure roof as claimed in any one of claims 1 to 9, wherein: comprises the following steps of (a) carrying out,
step one, determining the length of a cantilever beam (3) according to the distance from a parapet wall to extend out of a roof, and then fixing a plurality of cantilever beams (3) at the top end of the side face of a main roof steel structure (1);
step two, installing an inclined strut (5) at the bottom end of the cantilever beam (3), wherein the top end of the inclined strut (5) is welded and connected to the bottom end of one end, away from the main roof steel structure (1), of the cantilever beam (3), and the bottom end of the inclined strut (5) is welded and connected to the main roof steel structure (1);
thirdly, mounting the cross beam (4) at the tail end of the cantilever beam (3) to form a frame structure;
welding or bolting a steel upright post (6) on the cantilever beam (3);
connecting the L-shaped edge sealing plate (7) to the steel upright post (6) by spot welding, and enabling the bottom of the L-shaped edge sealing plate to be attached to the profiled steel sheet (2) on the main roof steel structure (1);
welding angle steel or square steel on the outer vertical surface of the edge sealing plate (7), wherein the length of the angle steel is the same as the distance between the steel upright columns (6), and two ends of the angle steel are welded on the steel upright columns (6);
and seventhly, binding reinforcing steel bars, erecting a parapet wall inner side template, and pouring concrete to complete construction.
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CN203613792U (en) * | 2013-11-12 | 2014-05-28 | 中国建筑第八工程局有限公司 | Parapet wall formwork pouring structure |
CN204199686U (en) * | 2014-09-05 | 2015-03-11 | 中国建筑第八工程局有限公司 | Without outrigger concrete parapet formwork system |
CN207582950U (en) * | 2017-10-24 | 2018-07-06 | 上海宝冶集团有限公司 | Steel structural plant roof concrete parapet external mold formwork erecting structure |
CN108385904B (en) * | 2018-04-25 | 2024-02-27 | 中铁第四勘察设计院集团有限公司 | Roofing parapet wall and construction method thereof |
CN111663766A (en) * | 2020-06-18 | 2020-09-15 | 北京城建七建设工程有限公司 | Overhanging structure parapet single-face formwork connecting system and construction method thereof |
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