CN113338617A - One-time pouring template system for roof ultrahigh parapet and construction method thereof - Google Patents
One-time pouring template system for roof ultrahigh parapet and construction method thereof Download PDFInfo
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- CN113338617A CN113338617A CN202110727097.6A CN202110727097A CN113338617A CN 113338617 A CN113338617 A CN 113338617A CN 202110727097 A CN202110727097 A CN 202110727097A CN 113338617 A CN113338617 A CN 113338617A
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- 238000010276 construction Methods 0.000 title claims abstract description 40
- 238000009415 formwork Methods 0.000 claims abstract description 51
- 238000004880 explosion Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 239000012634 fragment Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 2
- 241000357293 Leptobrama muelleri Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002023 wood Substances 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
- 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
- E04G13/066—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 for overhangs
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/12—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring of elements and beams which are mounted during erection of the shuttering to brace or couple the elements
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
A one-step pouring formwork system for a roof ultrahigh parapet and a construction method thereof comprise a roof panel, an outer scaffold, a parapet formwork system, a group of outer scaffold wall-connecting tie devices, a group of outer mold anti-overturning pre-embedded fixing devices and a group of inner mold anti-explosion stable supporting devices, wherein the outer scaffold is positioned on the outer side of the roof panel, the outer scaffold wall-connecting tie devices are positioned between the outer scaffold and outer mold keels, the outer mold anti-overturning pre-embedded fixing devices are arranged at intervals along the outer side end of the roof panel, and the inner mold anti-explosion stable supporting devices comprise wall-leaning fixing bases, roof fixing bases, adjusting screw rods among bases, wall-leaning fixing top bases and inclined supporting rods. The formwork system has the advantages that the formwork system has a stabilizing effect on the ultrahigh parapet wall formwork system integrally, the overturning danger in the parapet wall construction process is greatly reduced, repeated cyclic utilization is realized, segmented construction and turnover use of the material in the parapet wall construction are realized, time and labor are saved, safety is realized, the building performance of the scaffold meets the standard requirement, and the danger of workers operating on the scaffold is avoided.
Description
Technical Field
The invention belongs to the field of parapet construction, and particularly relates to a one-time pouring template system for a parapet with an ultrahigh roof and a construction method thereof.
Background
The parapet wall is generally designed to be lower than 1.5m in height, but in some large-scale business center engineering construction, the parapet wall is usually designed to be higher in height for placing an LED display screen or a propaganda screen, and the parapet wall of some engineering is up to 9m in height. Exceed the parapet construction of uniform height and erect with the outrigger on the roofing, when realizing that parapet template construction is stable and scaffold frame draws the drawknot outward, all can have great technique and safety problem as follows:
firstly, roofing superelevation parapet is in the work progress, and the superelevation wall body leads to the in-process of concreting when the construction with the template to have more unstable factor, and when the wall body height was too high, there was the danger of exploding the mould in the work progress. Because the parapet wall is special in position and is located at the edge of the structure, the support on two sides cannot be carried out due to the fact that the parapet wall is adjacent to the edge on one side, and the support only can be carried out on one side to play a role of a tie, and if the technical process is not controlled in place in the construction process, the formwork can topple towards the direction of approaching to the sky.
And secondly, beams and columns are not arranged in the ultrahigh parapet wall, so that the outer scaffold cannot be tied at the non-tie position of the parapet wall region, the tie step pitch and span of the outer scaffold are not met, and the safety of the scaffold cannot be met. Such as partial engineering parapet is up to 9m, and there is very big risk in this section regional outrigger, unsatisfied standard requirement, also can't satisfy parapet construction demand, and the workman need operate the compound die on the outrigger and wear measures such as screw rod, and the increase takes place to collapse or the risk that falls in the high altitude, and the scaffold frame is not stabilized the drawknot, can't go up the people and carry out the operation and compound die.
Therefore, a once pouring construction process for the parapet with the ultrahigh roof is urgently needed, the construction stability of the parapet is improved, and serious accidents such as mold explosion, toppling over or collapse and falling in the construction process are avoided.
Disclosure of Invention
The invention aims to provide a one-time pouring template system for a roof ultrahigh parapet and a construction method thereof, and aims to solve the technical problems that the construction stability is poor, and a mold is easy to burst, topple or collapse and fall in the construction process of the conventional ultrahigh parapet.
In order to achieve the purpose, the invention adopts the following technical scheme:
a one-time pouring template system for a roof ultrahigh parapet comprises a roof panel, an outer scaffold, a parapet template system, a group of outer scaffold and wall connecting tie devices, a group of outer mold anti-overturning pre-embedded fixing devices and a group of inner mold anti-explosion stable supporting devices,
the outer scaffold is positioned on the outer side of the roof panel, the parapet formwork system is erected on the outer side edge of the roof panel and comprises an outer mold, an inner mold and a group of tie pieces for tying keels on two sides, the outer mold comprises an outer mold panel and an outer mold keel, the inner mold comprises an inner mold panel and an inner mold keel, the outer mold keel comprises a group of outer mold main keels and a group of outer mold secondary keels, the inner mold keel comprises a group of inner mold main keels and a group of inner mold secondary keels,
the outer scaffold wall-connecting drawknot device is positioned between the outer scaffold and the outer formwork keel, the horizontal arrangement interval is multiple of the span of the vertical rods of the outer scaffold, the vertical arrangement interval is multiple of the horizontal rod pitch of the outer scaffold, one end of the outer scaffold wall-connecting drawknot device is hinged with the outer end part of the drawknot piece extending out of the outer formwork keel, the other end of the outer scaffold wall-connecting drawknot device is fixedly connected with the outer scaffold through a rotating fastener,
the outer die anti-overturning pre-buried fixing device is arranged along the outer side end of the roof panel at intervals, the horizontal arrangement interval is the multiple of the interval of the outer die main keel, each group of the outer die anti-overturning pre-buried fixing device comprises an embedded part and a clamping part, the embedded part is embedded into the outer side end of the roof panel, the clamping part comprises an inner side fixing part and an outer side clamping part, the fixing part is fixedly connected with the outer side of the embedded part, the clamping part extends out of the fixing part in an overhanging manner, the bottom of the outer die main keel extends to the outer side end of the roof panel, and the clamping part is clamped on two sides of the bottom of the outer die main keel and is fixedly connected with the outer die main keel,
the horizontal arrangement space of the internal mold explosion-proof stable supporting device on the roof panel is the multiple of the space of the internal mold main keel, each group comprises a wall-leaning fixed base, a roof fixed base, an inter-base adjusting screw rod, a wall-leaning fixed top seat and an inclined strut, the wall-leaning fixed base is arranged on the roof panel, the outer side of the wall-leaning fixed base is fixedly connected with the inner side of the bottom of the internal mold main keel, the wall-leaning fixed top seat is positioned right above the wall-leaning fixed base, and the outer side of the wall-leaning fixed top seat is fixedly connected with the inner side of the top of the internal mold main keel,
the roof fixing base is arranged corresponding to the wall fixing base, the bottom of the roof fixing base is arranged on the roof panel, the wall fixing base, the roof fixing base and the wall fixing top seat of each internal mold explosion-proof stable supporting device are located in the same vertical plane, one end of an adjusting screw rod between the bases is hinged to the wall fixing base, the adjusting screw rod between the bases penetrates through the bottom of the roof fixing base, the roof fixing base moves linearly along the adjusting screw rod and is connected with the other end of the adjusting screw rod in an adjustable mode, the top end of the inclined support rod is hinged to the wall fixing top seat, and the bottom end of the inclined support rod is hinged to the top of the roof fixing base.
The diagonal brace is a length-adjustable rod, the outer die main keel and the inner die main keel are both double steel keels, and the inner die secondary keel and the outer die secondary keel are both single steel keels.
The pulling parts are horizontally arranged in rows and vertically in rows, the vertical arrangement intervals of the pulling parts are the arrangement intervals of the secondary keels on the two sides, and the horizontal arrangement intervals of the pulling parts are 0.5 times or 1 time of the arrangement intervals of the main keels on the two sides.
The outer scaffold wall-connecting drawknot device comprises a positioning vertical plate, wall-connecting ear plates, steel pipe end ear plates, a wall-connecting articulated shaft, wall-connecting end plates and wall-connecting steel pipes, each drawknot piece is a three-section type split water stop screw rod and comprises inner screw rods at two sides, outer screw rods at two sides, a middle water stop sheet, wall inner cone nuts at two sides and keel fastening nuts at two sides, the outer scaffold wall-connecting drawknot device corresponds to part of the drawknot piece, wherein the positioning vertical plate is fixedly connected with the end surface of the outer screw rod outside the outer die, the wall connecting lug plate is horizontally and fixedly connected with the outer side of the positioning vertical plate, the steel pipe end ear plates and the wall connecting ear plates are overlapped and form a hinge seat through a wall connecting hinge shaft which sequentially penetrates through the plate body, the outside fixed connection of steel pipe end otic placode is in the inboard of company wall end plate, the outside of company wall end plate and the inner fixed connection who links the wall steel pipe, link the wall steel pipe and draw the knot piece along articulated seat rotation connection.
The embedded part comprises an embedded plate with the surface flush with the surface of the outer side of the roof panel and embedded limbs which are perpendicular to the embedded plate and anchored in the roof panel, the clamping part is angle steel or channel steel, the fixing part is welded with the embedded plate, and the outer die main keel is anchored with the clamping part through bolts.
The wall-leaning fixed base comprises a wall-leaning base plate and two wall-leaning base ear plates, the lower side of the wall-leaning base plate is arranged on the upper side of the roof plate, the wall-leaning base ear plates are erected on the upper side of the wall-leaning base plate and are fixedly connected with the upper side of the wall-leaning base plate, the outer sides of the wall-leaning base ear plates are flush with the outer sides of the wall-leaning base plate, the outer sides of the wall-leaning base ear plates are fixedly connected with the inner sides of the bottoms of the double steel keels of the inner mold main keel one by one, the wall-leaning base ear plates are provided with wall-leaning base hinge shaft holes,
the wall-leaning fixed footstock comprises two wall-leaning footstock ear plates, the outer sides of the wall-leaning footstock ear plates are fixedly connected with the inner sides of the tops of the double steel keels of the inner die main keel one by one respectively, and wall-leaning footstock hinge shaft holes are formed in the wall-leaning footstock ear plates.
Roofing unable adjustment base includes roofing bed plate, two roofing base otic placodes and two lead screw regulating plates, roofing bed plate is fallen on the upside of roofing board, and two roofing base otic placodes and two lead screw regulating plates enclose to close and form the rectangle frame, and the perpendicular fixed connection in the upside of roofing bed plate in bottom of this rectangle frame, wherein two roofing base otic placodes with lean on wall base otic placode parallel arrangement, accommodate the lead screw between two lead screw regulating plates and base and set up perpendicularly, the top of roofing base otic placode has the bulge, and it has roofing unable adjustment base hinge hole to open on this bulge, it has the lead screw regulation hole to open on the lead screw regulating plate to plate body thickness bodiness around the lead screw regulation hole.
One end of the adjusting screw rod between the bases penetrates through a wall-leaning base hinge shaft, two ends of the hinge shaft penetrate through a wall-leaning base hinge shaft hole to form a hinge base, and the other end of the adjusting screw rod between the bases penetrates through a screw rod adjusting hole and is fastened to the thickening surface of a screw rod adjusting plate through a screw rod nut.
The utility model discloses a roof support device, including the base, the base is connected to the bottom, the bottom is connected the otic placode, the otic placode is connected to the top, the bottom is connected the otic placode and is connected the otic placode cooperation and wear the base hinge and form articulated seat.
A construction method for a one-time pouring template system of a roof ultrahigh parapet wall comprises the following construction steps:
firstly, designing the height of an external scaffold according to design requirements; designing the sizes and the arrangement intervals of accessories of an inner mold and an outer mold in the parapet template system; designing the number of the external scaffold wall-connecting tie device, the external mold anti-overturning pre-embedded fixing device and the internal mold anti-explosion stable supporting device, and then transporting to a construction site;
secondly, embedding an embedded part in the external mold anti-overturning embedded fixing device on the outer side surface of the edge part of the roof panel during roof panel construction, and welding a clamping part on the embedded part according to design requirements;
step three, preassembling an internal mold explosion-proof stable supporting device on the roof panel according to design requirements, wherein a wall-leaning fixed base and a roof fixed base are arranged at corresponding positions on the roof panel, and then pre-connecting two ends of an adjusting screw rod between the bases with the wall-leaning fixed base and the roof fixed base;
step four, building an external scaffold;
step five, building a parapet template system, wherein an external scaffold wall connecting tie device is pre-connected with a tie piece at a design position, and a wall leaning fixing base and a wall leaning fixing top seat are respectively and fixedly connected with an internal mold main keel;
step six, one end of an adjusting screw rod between the bases is hinged to the wall-leaning fixing base, the other end of the adjusting screw rod is in adjustable connection with the roof fixing base, the roof fixing base is pushed to move towards the wall-leaning fixing base according to the design distance until the distance is designed and then fixed, and then the roof fixing base is fixedly connected with the roof panel through a chemical anchor bolt;
step seven, hinging the top end of the diagonal brace with a wall-leaning fixed top seat, hinging the bottom end of the diagonal brace with a roof fixed base, and then adjusting the diagonal brace until the designed length enables the internal mold explosion-proof stable supporting device to be a right-angled triangle supported internal mold panel to be vertical;
step eight, adjusting the outer mold panel, the keel and the tie pieces according to the inner mold panel, and screwing down each tie piece to complete the erection of the parapet formwork system;
step nine, then adjusting the angle of the outer scaffold wall-connecting tie device to enable the outer scaffold wall-connecting tie device to be fastened with the scaffold;
step ten, reinforcing the template, checking the size, and pouring the concrete of the ultra-high parapet wall.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the formwork system support is suitable for supporting the formwork system when the height of the parapet wall is larger than 6 m.
The invention designs a whole set of template system, and designs an external scaffold wall-connecting drawknot device which is hinged with the existing drawknot piece, can randomly adjust the angle through a hinged steel pipe and then is buckled with the erected scaffold, and because the scaffold is high in height, the drawknot is encrypted, can be arranged in two steps and two spans, so that the stability of the scaffold is met, the safety of operators on the scaffold is met, the problem that the external scaffold cannot standardize the drawknot when the parapet is ultrahigh is solved, the stability of the parapet ultrahigh template is ensured, the drawknot device can be recycled, the utilization rate is greatly improved under the condition of parapet subsection construction, and the integrity of the scaffold and the parapet is met.
The invention utilizes the existing roof board, and an external scaffold connecting wall drawknot device is pre-buried in the roof board, so that the roof board is connected with the erected external mold main keel into a whole, on one hand, the parapet template system is further stabilized, on the other hand, the problem that the template is propped open from the bottom when concrete of the parapet is poured to cause slurry leakage and cause common quality problems is avoided, the existing external mold is favorably fixed, and the overturning is prevented.
The invention designs an internal mold explosion-proof stable supporting device, three hinged supports are arranged on an internal mold main keel and a roof panel and are mutually drawably adjustable, a telescopic sleeve can be used in the middle of an inclined strut for adjusting the length of a rod piece, and the most safe and stable drawable support can be carried out according to the field condition, so that the problem that the unified inclined strut cannot be applied if the field condition is special is solved, the inclined strut is bidirectionally connected with the keel and the ground, a roof fixing base can fix the inclined strut and can also fix an adjusting screw rod between the bases, the length of a through filament rod can be adjusted to recheck the field condition, and the internal mold explosion-proof stable supporting device forms a triangular adjustable support so as to achieve the most mechanically balanced state. On one hand, the stability of the ultrahigh parapet wall in the pouring process is guaranteed, the problem of formwork expansion in the pouring process is solved by the wall base, on the other hand, the adaptability of the parapet wall formwork expanding device is improved, the connecting position of the inclined supporting rod and the keel is determined according to the height of the parapet wall, the adjustment is flexible, the parapet wall formwork expanding device can be recycled, adapts to the construction of high parapet walls with various sizes, and adapts to the construction requirements of different parapet wall heights.
In order to prevent water seepage, the wood formwork panel is selected to be formed in a one-step pouring mode, the keels are all steel back ridges, so that the wooden formwork panel can be well combined with the inclined supporting rods, the inclined supporting rods pull the wall fixing top seat and the roof fixing base, the inner formwork panel is also pulled and connected with the inner formwork keels through the pulling and connecting pieces, the effect of stabilizing the ultrahigh parapet formwork system is integrally achieved, and the overturning danger in the parapet construction process is greatly reduced.
The invention can realize repeated cyclic utilization, realize subsection construction and turnover use of the material in parapet construction, save time, labor and safety, ensure that the erection of the scaffold can meet the standard requirement, and stop the danger of workers operating on the scaffold.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view schematic of the structure of fig. 1.
Fig. 3 is a partially enlarged view of the outer scaffolding of fig. 2.
Fig. 4 is a partially enlarged view of the external scaffolding wall-coupling apparatus of fig. 3.
Fig. 5 is a schematic structural view of the external scaffolding wall-connecting drawknot device.
Fig. 6 is a partially enlarged view of the outer mold anti-overturning pre-embedded fixing device in fig. 2.
Fig. 7 is a schematic structural view of an external mold overturn-resisting embedded fixing device.
Fig. 8 is a partially enlarged view of the inner mold explosion-proof stable supporting device in fig. 1.
Fig. 9 is a schematic view of the connection of the wall and roof mounting bases of fig. 8.
Figure 10 is a schematic view of the construction of the wall mount base.
Fig. 11 is a view showing a state of use of the base fixed against a wall.
Fig. 12 is a side view schematic of the structure of fig. 11.
Fig. 13 is a view showing a state of use of the roof securing base.
Fig. 14 is a side view schematic of the structure of fig. 13.
Fig. 15 is a schematic structural view of a roof fixing base.
Fig. 16 is a schematic structural view of the inter-base adjustment screw.
Fig. 17 is a view showing a state of use of the top base fixed against a wall.
Figure 18 is a schematic view of the connection of the wall mount base and the wall mount header.
Fig. 19 is a schematic view of the construction of the wall mount.
Fig. 20 is a schematic structural view of a diagonal strut.
Reference numerals: 1-roof board, 2-external scaffold, 3-tie member, 31-internal screw, 32-external screw, 33-water stop, 34-wall internal taper nut, 35-keel fastening nut, 4-external keel, 41-external keel, 42-external secondary keel, 5-internal keel, 51-internal keel, 52-internal keel, 6-embedded member, 61-embedded plate, 62-embedded limb, 7-clamping member, 71-fixed part, 72-clamping part, 8-wall-leaning base, 81-wall-leaning base plate, 82-wall-leaning base ear plate, 83-base hinge hole, 9-roof fixing base, 91-roof base plate, 92-roof base ear plate, 93-lead screw adjusting plate, 94-roof fixing base hinge hole, 95-lead screw adjusting hole, 10-inter-base adjusting lead screw, 11-wall-leaning base, 111-top base hinge hole, 12-diagonal brace, 12-internal taper brace, 12-external taper brace, 3-external taper brace, 31-internal taper brace, 32-external taper brace, 33-internal taper brace, 3-internal taper brace, 4-internal taper brace, 7-internal taper brace, 8-wall-external taper brace, 81-wall-external taper brace, 82-wall-external taper brace, 83-wall base, 83-external taper brace, 9-external taper brace, 7-external taper brace, 9-external taper brace, 2-external taper brace, 9-external taper brace, and external taper brace, 9-external taper brace, 2-external taper brace, 6-external taper brace, 2-external taper brace, 9-external taper brace, 2-external taper brace, 9-external taper brace, 2-external taper-external taper, 121-adjustable rod body, 122-top end connecting end plate, 123-top end connecting lug plate, 124-bottom end connecting end plate, 125-bottom end connecting lug plate, 126-rotary handle, 13-positioning hanging plate, 14-wall connecting lug plate, 15-steel pipe end lug plate, 16-wall connecting articulated shaft, 17-wall connecting end plate, 18-wall connecting steel pipe, 19-wall leaning articulated shaft, 20-screw rod nut, 21-top seat articulated shaft and 22-base articulated shaft.
Detailed Description
Referring to fig. 1-2, the embodiment of the present invention provides a once-pouring formwork system for a roof ultrahigh parapet, which includes a roof panel 1, an external scaffold 2, a parapet formwork system, a set of external scaffold wall-connecting tie devices, a set of external mold anti-overturning pre-embedded fixing devices, and a set of internal mold anti-explosion stable supporting devices.
Referring to fig. 1-2, the external scaffolding 2 is located on the outer side of the roof panel 1, the parapet formwork system stands on the outer side portion of the roof panel 1, and includes an external formwork and an internal formwork, and a set of tie pieces 3 that tie both side keels, the external formwork includes an external formwork panel and an external formwork keel 4, the internal formwork includes an internal formwork panel and an internal formwork keel 5, the external formwork keel includes a set of external formwork main keels 41 and a set of external formwork secondary keels 42, and the internal formwork keel includes a set of internal formwork main keels 51 and a set of internal formwork secondary keels 52.
The outer mold main keel 41 and the inner mold main keel 51 are both double steel keels, and the inner mold secondary keel 52 and the outer mold secondary keel 51 are both single steel keels. The pulling parts 3 are horizontally arranged in rows and vertically in rows, the vertical arrangement intervals of the pulling parts 3 are the arrangement intervals of the secondary keels on the two sides, and the horizontal arrangement intervals of the pulling parts 3 are 0.5 times or 1 time of the arrangement intervals of the main keels on the two sides. In this example, the number of times is 0.5.
Referring to fig. 3-5, the external scaffold wall-connecting drawknot device is located between an external scaffold 2 and an external formwork keel 4, the horizontal setting interval is multiple of the span of vertical rods of the external scaffold 2, the vertical setting interval is multiple of the horizontal rod spacing of the external scaffold 2, one end of the external scaffold wall-connecting drawknot device is hinged with the outer end part of a drawknot member 3 extending out of the external formwork keel, and the other end of the external scaffold wall-connecting drawknot device is fixedly connected with the external scaffold 2 through a rotating fastener.
The outer scaffold wall-connecting drawknot device comprises a positioning vertical plate 13, a wall-connecting lug plate 14, a steel pipe end lug plate 15, a wall-connecting hinge shaft 16, a wall-connecting end plate 17 and a wall-connecting steel pipe 18, wherein the wall-connecting steel pipe 18 is a wear-resistant steel pipe. Every drawknot piece 3 is syllogic opposite-pull stagnant water screw rod, including the outer screw rod 32 of the inner screw rod 31 of both sides, the interior cone nut 34 of wall of middle stagnant water piece 33, both sides and the fossil fragments fastening nut 35 of both sides, outer scaffold even wall drawknot device corresponds part drawknot piece 3, wherein fixes a position hang plate 13 and the outer screw rod 32 terminal surface fixed connection in the external mold outside, even the horizontal fixed connection of wall otic placode 14 is in the outside of fixing a position hang plate 13, steel pipe end otic placode 15 forms articulated seat with even wall otic placode 14 coincide and through the even wall articulated shaft 16 that runs through the plate body in proper order, the outside fixed connection of steel pipe end otic placode 15 is in the inboard of even wall otic placode 17, even the outside of wall otic placode 17 and the inner fixed connection of even wall steel pipe 18, even wall steel pipe 18 rotates with the drawknot piece along articulated seat to be connected.
Referring to fig. 1-4, the outer scaffold wall-connecting drawknot device can be used for drawing the formworks on two sides in a counter-pulling manner and also can play a role in drawing the outer formworks in a key manner so as to prevent the formworks from overturning towards the side of the sky, and the wear-resistant steel pipes and the outer scaffold are drawn and connected to play a role in connecting the wall.
Referring to fig. 6-7, the external mold anti-overturning pre-buried fixing devices are arranged at intervals along the outer side end of the roof panel 1, the horizontal arrangement distance is multiple of the distance between the external mold main keels, each group of external mold anti-overturning pre-buried fixing devices comprises an embedded part 6 and a clamping part 7, the embedded part 6 is buried in the outer side end of the roof panel 1, the clamping part 7 comprises a fixing part 71 on the 7 side and a clamping part 72 on the outer side, the fixing part is fixedly connected with the outer side of the embedded part 6, the clamping part 72 extends out of the fixing part 71 in an overhanging manner, the bottom of each external mold main keel extends to the outer side end of the roof panel 1, and the clamping parts 72 are clamped on two sides of the bottom of each external mold main keel 41 and are fixedly connected with the same.
The embedded part 6 comprises an embedded plate 61 with the surface flush with the outer side surface of the roof panel 1 and embedded limbs 62 which are perpendicular to the embedded plate and anchored in the roof panel 1, the clamping part 7 is an angle steel or a channel steel, the embedded plates of the fixing part 71 are welded, and the outer die main keel 41 and the clamping part are anchored through bolts.
Referring to fig. 8, the horizontal arrangement distance of the internal mold explosion-proof stable supporting device on the roof panel 1 is a multiple of the distance of the internal mold main keels 51, and each group of internal mold explosion-proof stable supporting device comprises a wall-leaning fixed base 8, a roof fixed base 9, an inter-base adjusting screw rod 10, a wall-leaning fixed top base 11 and an inclined strut 12.
Referring to fig. 9 to 12, the wall-leaning fixing base 8 is disposed on the roof panel 1, and the outer side of the wall-leaning fixing base is fixedly connected to the inner side of the bottom of the inner formwork main keel 51, and the wall-leaning fixing top base 11 is located right above the wall-leaning fixing base 8 and is fixedly connected to the inner side of the top of the inner formwork main keel 51.
Lean on wall unable adjustment base 8 including leaning on wall bed plate 81 and two by wall base otic placodes 82, the downside that leans on wall bed plate 81 falls and puts the upside at roof boarding 1, lean on wall base otic placode 82 to stand at upside and the fixed connection who leans on wall bed plate 81, lean on the outside of wall base otic placode 82 and the outside parallel and level that leans on wall bed plate 81, lean on the outside of wall base otic placode 82 respectively with the inboard fixed connection in bottom one by one of centre form main joist 51's two steel joist simultaneously, it has by wall base hinge shaft hole 83 to lean on to open on wall base otic placode 82.
Referring to fig. 17 to 19, the wall-supporting fixed top base 11 includes two wall-supporting top base ear plates, the outer sides of the wall-supporting top base ear plates are respectively and fixedly connected with the inner sides of the tops of the double steel keels of the inner formwork main keel 51 one by one, and the wall-supporting top base ear plates are provided with wall-supporting top base hinge shaft holes 111.
Referring to fig. 13-16, the roof fixing base 9 is disposed corresponding to the wall fixing base 8, the bottom of the roof fixing base is disposed on the roof panel 1, the wall fixing base 8, the roof fixing base 9 and the wall fixing top base 11 of each internal mold explosion-proof stable supporting device are located in the same vertical plane, one end of an adjusting screw rod 10 between the bases is hinged to the wall fixing base 8, the adjusting screw rod between the bases penetrates through the bottom of the roof fixing base 9, the roof fixing base 9 linearly moves along the adjusting screw rod and is adjustably connected with the other end of the adjusting screw rod, the top end of an inclined strut 12 is hinged to the wall fixing top base 11, and the bottom end of the inclined strut 12 is hinged to the top of the roof fixing base 9.
Roofing unable adjustment base 9 includes roofing bed plate 91, two roofing base otic placodes 92 and two lead screw regulating plates 93, roofing bed plate 91 is fallen and is put at the upside of roofing board 1, and two roofing base otic placodes 92 and two lead screw regulating plates 93 enclose to close and form the rectangle frame, and the perpendicular fixed connection in the upside of roofing bed plate 91 in bottom of this rectangle frame, wherein two roofing base otic placodes 92 with lean on wall base otic placode 82 parallel arrangement, accommodate the lead screw 10 perpendicular setting between two lead screw regulating plates 93 and base, roofing base otic placode 92's top has the bulge, and it has roofing unable adjustment base hinge hole 94 to open on this bulge, it has lead screw regulating plate 95 to open on the lead screw regulating plate 93 to lead screw regulating plate body thickness bodiness on every side of hole 95.
Referring to fig. 16, one end of the inter-base adjusting screw 10 is penetrated by a wall hinge shaft 19, both ends of the hinge shaft are penetrated through wall base hinge shaft holes 83 to form hinge bases, and the other end of the inter-base adjusting screw 10 is penetrated through a screw adjusting hole 95 and fastened to a thickened surface of a screw adjusting plate 93 by a screw nut 20.
Referring to fig. 13-20, the diagonal brace 12 is a length-adjustable rod, the diagonal brace 12 includes an adjustable rod body 121, a top end connecting end plate 122, a top end connecting ear plate 123, a bottom end connecting end plate 124 and a bottom end connecting ear plate 125, a rotary handle 126 for adjusting the length of the adjustable rod is arranged in the middle of the adjustable rod body 121, the top end of the adjustable rod body 121 is fixedly connected with a top end connecting end plate 122, the top end connecting ear plate 123 is vertically and fixedly connected to the top end connecting end plate 122, the top end connecting ear plate 123 is matched with the wall top seat ear plate and is penetrated with a top seat hinge shaft 21 to form a hinge seat, the bottom end of the adjustable rod body 121 is fixedly connected with a bottom end connecting end plate 124, the bottom end connecting lug plate 125 is vertically and fixedly connected with the bottom end connecting end plate 124, the bottom connecting lugs 125 cooperate with the roof base lugs 92 and are threaded with the base hinge 22 to form a hinge mount.
In the embodiment, the fixed connection between the steel parts is welding or bolt connection, and the welding seam ensures a primary welding seam.
The construction method of the one-time pouring template system of the roof ultrahigh parapet comprises the following construction steps:
firstly, designing the height of an external scaffold 2 according to design requirements; designing the sizes and the arrangement intervals of accessories of an inner mold and an outer mold in the parapet template system; and designing the number of the outer scaffold wall-connecting tie device, the outer mold anti-overturning pre-embedded fixing device and the inner mold anti-explosion stable supporting device, and then transporting to a construction site.
And secondly, embedding embedded parts 6 in the external mold anti-overturning embedding fixing device into the outer side surface of the edge part of the roof panel 1 during construction of the roof panel 1, and welding clamping parts 7 on the embedded parts 6 according to design requirements.
Step three, pre-installing an internal mold explosion-proof stable supporting device on the roof panel 1 according to design requirements, wherein a wall-leaning fixed base 8 and a roof fixed base 9 are placed at corresponding positions on the roof panel 1, and then two ends of an adjusting screw rod 10 between the bases are respectively pre-connected with the wall-leaning fixed base 8 and the roof fixed base 9.
Step four, setting up an external scaffold 2, performing reinforcement binding operation, and then starting die assembly operation;
and step five, building a parapet template system, wherein the external scaffold wall connecting tie device is pre-connected with the tie pieces at the design position, and the wall leaning fixing base 8 and the wall leaning fixing top seat 11 are respectively and fixedly connected with the internal mold main keel 51.
And step six, one end of an adjusting screw rod 10 between the bases is hinged to the wall-leaning fixing base 8, the other end of the adjusting screw rod is in adjustable connection with the roof fixing base 9, the roof fixing base 9 is pushed to move towards the wall-leaning fixing base 8 according to the design distance until the distance is designed and then fixed, and then the roof fixing base 9 is fixedly connected with the roof panel 1 through a chemical anchor bolt.
And seventhly, hinging the top end of the inclined strut 12 with the wall-against fixed top seat 11, hinging the bottom end of the inclined strut 12 with the roof fixed base 9, and then adjusting the inclined strut 12 until the designed length enables the internal mold explosion-proof stable supporting device to be a right-angled triangle supported internal mold panel to be vertical.
And step eight, adjusting the outer mold panel, the keel and the pulling pieces according to the inner mold panel, and screwing down each pulling piece to complete the erection of the parapet formwork system.
And step nine, adjusting the angle of the outer scaffold wall connecting tie device to enable the outer scaffold wall connecting tie device to be fastened with the scaffold 2.
Step ten, reinforcing the template, checking the size, and pouring the concrete of the ultra-high parapet wall.
Claims (10)
1. The utility model provides a roofing superelevation parapet once pours template system which characterized in that: comprises a roof panel (1), an external scaffold (2), a parapet template system, a group of external scaffold wall-connecting tie devices, a group of external mold anti-overturning pre-embedded fixing devices and a group of internal mold anti-explosion stable supporting devices,
the outer scaffolding (2) is located the outside of roof boarding (1), parapet formwork system stands in the outside limit portion of roof boarding (1), a set of drawknot spare (3) including external mold and centre form and drawknot both sides fossil fragments, the external mold includes external mold panel and external mold fossil fragments (4), the centre form includes centre form panel and centre form fossil fragments (5), the external mold fossil fragments include a set of external mold main joist (41) and a set of external mold secondary joist (42), the centre form fossil fragments include a set of centre form main joist (51) and a set of centre form secondary joist (52),
the outer scaffold wall-connecting drawknot device is positioned between the outer scaffold (2) and the outer formwork keel (4), the horizontal arrangement interval is multiple of the vertical rod span of the outer scaffold (2), the vertical arrangement interval is multiple of the horizontal rod spacing of the outer scaffold (2), one end of the outer scaffold wall-connecting drawknot device is hinged with the outer end part of the drawknot piece (3) extending out of the outer formwork keel, the other end of the outer scaffold wall-connecting drawknot device is fixedly connected with the outer scaffold (2) through a rotating fastener,
the outer die anti-overturning pre-buried fixing device is arranged along the outer side end of a roof panel (1) at intervals, the horizontal arrangement distance is the multiple of the distance between outer die main keels, each group of the outer die anti-overturning pre-buried fixing device comprises an embedded part (6) and a clamping part (7), the embedded part (6) is embedded into the outer side end of the roof panel (1), each clamping part (7) comprises an inner side fixing part (71) and an outer side clamping part (72), the fixing parts are fixedly connected with the outer sides of the embedded parts (6), the clamping parts (72) extend to the overhanging parts to extend out of the fixing parts (71), the bottoms of the outer die main keels extend to the outer side end of the roof panel (1), and the clamping parts (72) are clamped on two sides of the bottom of an outer die main keel (41) and fixedly connected with the outer die main keel,
the horizontal arrangement space of the internal mold explosion-proof stable supporting device on the roof panel (1) is multiple of the space of the internal mold main keel (51), each group comprises a wall-leaning fixed base (8), a roof fixed base (9), an inter-base adjusting screw rod (10), a wall-leaning fixed top seat (11) and an inclined strut (12), the wall-leaning fixed base (8) is arranged on the roof panel (1), the outer side of the wall-leaning fixed base is fixedly connected with the inner side of the bottom of the internal mold main keel (51), the wall-leaning fixed top seat (11) is positioned right above the wall-leaning fixed base (8), the outer side of the wall-leaning fixed top seat is fixedly connected with the inner side of the top of the internal mold main keel (51),
the roof fixing base (9) is arranged correspondingly to the wall fixing base (8), the bottom of the roof fixing base is arranged on the roof panel (1), the wall fixing base (8), the roof fixing base (9) and the wall fixing top seat (11) of each internal mold explosion-proof stable supporting device are located on the same vertical plane, one end of an adjusting screw rod (10) between the bases is hinged to the wall fixing base (8), the adjusting screw rod penetrates through the bottom of the roof fixing base (9) between the bases, the roof fixing base (9) moves linearly along the adjusting screw rod and is connected with the other end of the adjusting screw rod in an adjustable mode, the top end of an inclined strut (12) is hinged to the wall fixing top seat (11), and the bottom end of the inclined strut (12) is hinged to the top of the roof fixing base (9).
2. The one-time pouring template system for the roofing ultra-high parapet wall as claimed in claim 1, wherein: the diagonal brace (12) is a length-adjustable rod, the outer die main keel (41) and the inner die main keel (51) are both double-steel keels, and the inner die secondary keel (52) and the outer die secondary keel (51) are both single-steel keels.
3. The one-time pouring template system for the roofing ultra-high parapet wall as claimed in claim 1, wherein: the pulling pieces (3) are horizontally arranged in rows and vertically in rows, the vertical arrangement intervals of the pulling pieces (3) are the arrangement intervals of the secondary keels on the two sides, and the horizontal arrangement intervals of the pulling pieces (3) are 0.5 times or 1 time of the arrangement intervals of the main keels on the two sides.
4. The one-time pouring template system for the roofing ultra-high parapet wall as claimed in claim 3, wherein: the outer scaffold wall-connecting drawknot device comprises a positioning vertical plate (13), wall-connecting ear plates (14), steel pipe end ear plates (15), wall-connecting articulated shafts (16), wall-connecting end plates (17) and wall-connecting steel pipes (18), wherein each drawknot piece (3) is a three-section type counter-pulling water-stopping screw rod and comprises inner screw rods (31) at two sides, outer screw rods (32) at two sides, a middle water-stopping sheet (33), wall inner cone nuts (34) at two sides and keel fastening nuts (35) at two sides, the outer scaffold wall-connecting drawknot device corresponds to part of drawknot pieces (3), wherein the positioning vertical plate (13) is fixedly connected with the end faces of the outer screw rods (32) at the outer side of an outer die, the wall-connecting ear plates (14) are horizontally and fixedly connected at the outer side of the positioning vertical plate (13), the steel pipe end ear plates (15) are overlapped with the wall-connecting ear plates (14) and form an articulated seat through the wall-connecting articulated shafts (16) which sequentially penetrate through plate bodies, the outside fixed connection of steel pipe end otic placode (15) is in the inboard of company wall end plate (17), the outside of company wall end plate (17) and the inner fixed connection who links wall steel pipe (18), link wall steel pipe (18) and drawknot spare along articulated seat rotation connection.
5. The one-time pouring template system for the roofing ultra-high parapet wall as claimed in claim 3, wherein: the embedded part (6) comprises an embedded plate (61) with the surface flush with the outer side surface of the roof panel (1) and embedded limbs (62) which are perpendicular to the embedded plate and anchored in the roof panel (1), the clamping part (7) is an angle steel or a channel steel, the embedded plates of the fixing part (71) are welded, and the outer die main keel (41) and the clamping part are anchored through bolts.
6. The one-time pouring template system for the roofing ultra-high parapet wall as claimed in claim 2, wherein: the wall-leaning fixing base (8) comprises a wall-leaning base plate (81) and two wall-leaning base ear plates (82), the lower side of the wall-leaning base plate (81) is arranged on the upper side of the roof plate (1), the wall-leaning base ear plates (82) are erected on the upper side of the wall-leaning base plate (81) and fixedly connected, the outer sides of the wall-leaning base ear plates (82) are flush with the outer sides of the wall-leaning base plate (81), the outer sides of the wall-leaning base ear plates (82) are fixedly connected with the inner sides of the bottoms of the double steel keels of the inner mold main keel (51) one by one, wall-leaning base hinge shaft holes (83) are formed in the wall-leaning base ear plates (82),
lean on fixed footstock (11) of wall to include two and lean on the wall footstock otic placodes, lean on the outside of wall footstock otic placode respectively with the inboard fixed connection one by one in top of the two steel keels of centre form main joist (51), it has by wall footstock hinge hole (111) to open on the wall footstock otic placode.
7. The one-time pouring template system for the roofing ultra-high parapet wall as claimed in claim 6, wherein: the roof fixing base (9) comprises a roof base plate (91), two roof base ear plates (92) and two screw rod adjusting plates (93), the roof base plate (91) is arranged on the upper side of the roof plate (1), the two roof base ear plates (92) and the two screw rod adjusting plates (93) are enclosed to form a rectangular frame, the bottom of the rectangular frame is vertically and fixedly connected with the upper side of the roof base plate (91), wherein two roof base ear plates (92) are arranged in parallel with a wall base ear plate (82), two screw rod adjusting plates (93) are arranged vertically with an adjusting screw rod (10) between the bases, the top of the roof base ear plate (92) is provided with a convex part, the protruding part is provided with a hinge shaft hole (94) of the roof fixing base, the screw rod adjusting plate (93) is provided with a screw rod adjusting hole (95), and the thickness of a plate body around the screw rod adjusting hole (95) is increased.
8. The one-time pouring template system for the roofing super-high parapet wall as claimed in claim 7, wherein: one end of the adjusting screw rod (10) between the bases is penetrated by a wall hinged shaft (19), two ends of the hinged shaft are penetrated by a wall base hinged shaft hole (83) to form a hinged base, the other end of the adjusting screw rod (10) between the bases is penetrated by a screw rod adjusting hole (95) and is fastened to the thickening surface of the screw rod adjusting plate (93) through a screw rod nut (20).
9. The one-time pouring template system for the roofing super-high parapet wall as claimed in claim 8, wherein: the inclined strut (12) comprises an adjustable rod body (121), a top end connecting end plate (122), a top end connecting lug plate (123), a bottom end connecting end plate (124) and a bottom end connecting lug plate (125), the middle part of the adjustable rod body (121) is provided with a rotary handle (126) for adjusting the length of the adjustable rod, the top end of the adjustable rod body (121) is fixedly connected with a top end connecting end plate (122), the top end connecting ear plate (123) is vertically and fixedly connected to the top end connecting end plate (122), the top end connecting lug plate (123) is matched with the wall top seat lug plate and is penetrated with a top seat hinge shaft (21) to form a hinge seat, the bottom end of the adjustable rod body (121) is fixedly connected with a bottom end connecting end plate (124), the bottom end connecting lug plate (125) is vertically and fixedly connected to the bottom end connecting end plate (124), the bottom end connecting lug plate (125) is matched with the roof base lug plate (92) and is penetrated with a base hinge shaft (22) to form a hinge base.
10. A construction method of the one-time pouring formwork system for the roofing ultra-high parapet wall according to any one of claims 1 to 9, characterized in that the construction steps are as follows:
firstly, designing the height of an external scaffold (2) according to design requirements; designing the sizes and the arrangement intervals of accessories of an inner mold and an outer mold in the parapet template system; designing the number of the external scaffold wall-connecting tie device, the external mold anti-overturning pre-embedded fixing device and the internal mold anti-explosion stable supporting device, and then transporting to a construction site;
secondly, embedding an embedded part (6) in the external mold anti-overturning embedding fixing device into the outer side surface of the edge part of the roof panel (1) during construction of the roof panel (1), and welding a clamping part (7) on the embedded part (6) according to design requirements;
step three, preassembling an internal mold explosion-proof stable supporting device on the roof panel (1) according to design requirements, wherein a wall-leaning fixed base (8) and a roof fixed base (9) are arranged at corresponding positions on the roof panel (1), and then two ends of an adjusting screw rod (10) between bases are respectively connected with the wall-leaning fixed base (8) and the roof fixed base (9) in advance;
fourthly, erecting an external scaffold (2);
step five, building a parapet template system, wherein an external scaffold wall connecting tie device is pre-connected with a tie piece at a design position, and a wall leaning fixing base (8) and a wall leaning fixing top seat (11) are respectively and fixedly connected with an internal mold main keel (51);
step six, one end of an inter-base adjusting screw rod (10) is hinged with a wall-leaning fixing base (8), the other end of the inter-base adjusting screw rod is in adjustable connection with a roof fixing base (9), the roof fixing base (9) is pushed to move towards the wall-leaning fixing base (8) according to a design distance until the distance is designed and then fixed, and then the roof fixing base (9) is fixedly connected with a roof panel (1) through a chemical anchor bolt;
step seven, hinging the top end of the diagonal brace (12) with a wall-leaning fixed top seat (11), hinging the bottom end of the diagonal brace with a roof fixed base (9), and then adjusting the diagonal brace (12) until the designed length enables the internal mold explosion-proof stable supporting device to be a right-angled triangle supporting internal mold panel to be vertical;
step eight, adjusting the outer mold panel, the keel and the tie pieces according to the inner mold panel, and screwing down each tie piece to complete the erection of the parapet formwork system;
step nine, then adjusting the angle of the outer scaffold wall connecting tie device to enable the outer scaffold wall connecting tie device to be fastened with the scaffold (2);
step ten, reinforcing the template, checking the size, and pouring the concrete of the ultra-high parapet wall.
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| CN114922356A (en) * | 2022-05-27 | 2022-08-19 | 中建八局第三建设有限公司 | Roof lighting skylight with electric smoke exhaust fan and construction method thereof |
| CN114961240A (en) * | 2022-07-29 | 2022-08-30 | 河北省第二建筑工程有限公司 | Special-shaped high-low span bottom plate construction template and construction method |
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| CN114961240B (en) * | 2022-07-29 | 2022-10-28 | 河北省第二建筑工程有限公司 | Special-shaped high-low span bottom plate construction template and construction method |
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