CN111441577A - Reinforcing structure and method for ultra-thick cantilever plate side mold - Google Patents
Reinforcing structure and method for ultra-thick cantilever plate side mold Download PDFInfo
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- CN111441577A CN111441577A CN202010306337.0A CN202010306337A CN111441577A CN 111441577 A CN111441577 A CN 111441577A CN 202010306337 A CN202010306337 A CN 202010306337A CN 111441577 A CN111441577 A CN 111441577A
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000002787 reinforcement Effects 0.000 claims abstract description 9
- 238000009415 formwork Methods 0.000 claims description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000002023 wood Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003672 processing method Methods 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
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention relates to the technical field of building template support, and particularly discloses a reinforcing structure and a reinforcing method for a side mold of an ultra-thick cantilever plate, wherein the reinforcing structure comprises a cantilever plate upper template reinforcing structure and a cantilever plate lower template reinforcing structure; the upper template reinforcing structure comprises an inclined support frame body for supporting the upper template and a quick closing-up screen plate arranged on the inner side of the upper template; the cantilever plate lower side template reinforcing structure comprises a plurality of rows of pre-buried screws which are arranged on the lower side of the cantilever plate and are used for pouring a wall body, a supporting part is sleeved on each screw, and the free ends of the screws penetrate through the lower side template and are fixedly connected with the lower main keel. The invention has the effects of stably reinforcing the side die, small using space, convenient reinforcement, simple material selection, easy processing, shortening the construction period and saving the construction cost.
Description
Technical Field
The invention relates to the technical field of building formwork support, in particular to a reinforcing structure and a reinforcing method for a side mold of an ultra-thick cantilever formwork.
Background
At present, due to the needs of buildings, when concrete is poured, a cantilever plate side mold needs to be reinforced, and particularly, the side mold of an ultra-thick cantilever plate needs to be reinforced.
The side mold reinforcing method in the prior art mainly comprises diagonal bracing, layered pouring and internal drawknot. The existing conventional reinforcing method has the defects that:
(1) because the member is the board of encorbelmenting, if adopt the bracing, throw and prop length long, the material required performance is high, and the space demand is big, consumes with high costs, and the construction is complicated, throws to prop and is connected the difficulty with ground, main joist, and the atress is inhomogeneous, and factor of safety is low.
(2) If the layered pouring is adopted, because the plate member is thick, the plate member needs to be layered for many times, more construction joints are kept, the construction joints need to be processed for many times, the area is large, time and labor are consumed, and the structural integrity is influenced.
(3) If adopt inside drawknot, need weld to the reinforcing bar net piece, because it belongs to an ultra-thick concrete slab, concrete lateral pressure is great, and inside drawknot can lead to the reinforcing bar to warp to lead to taking place to rise the mould, and the atress is complicated, and the calculation is difficult, and the safety can't guarantee.
When the reinforcing structure is applied to the side die machining mode of the cantilever plate, the reinforcing structure is not only applied to the problem of reinforcing the side die of the cantilever plate, but also cannot be implemented mainly due to small space.
Based on the defects of the reinforcement method, a novel reinforcement structure and method for the ultra-thick cantilever plate side mold need to be provided.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the reinforcing structure for the ultra-thick cantilever plate side mold, which not only can stably reinforce the side mold, but also has the advantages of small use space, convenience in reinforcement, simplicity in material selection and easiness in processing.
The above object of the present invention is achieved by the following technical solutions:
a reinforcing structure of a super-thick cantilever plate side mold comprises a cantilever plate upper template reinforcing structure and a cantilever plate lower template reinforcing structure;
the upper template reinforcing structure comprises an inclined support frame body for supporting the upper template and a quick closing-up screen plate arranged on the inner side of the upper template;
the cantilever plate lower side template reinforcing structure comprises a plurality of rows of pre-buried screws which are arranged on the lower side of the cantilever plate and are used for pouring a wall body, a supporting part is sleeved on each screw, and the free ends of the screws penetrate through the lower side template and are fixedly connected with the lower main keel.
By adopting the technical scheme, the upper template reinforcing structure fixes the template higher than the side surface of the cantilever plate of the poured floor slab, and after the whole cantilever plate is poured, the quick closing-in net plate does not need to be dismantled, so that the template removal time is saved, and the construction period is shortened;
the side formwork is fixed when the cantilever plate is poured by the lower side formwork reinforcing structure, and the structure is simple, convenient and easy to operate through the fixing mode of the long screw.
The present invention in a preferred example may be further configured to: the upper template is connected with an upper keel, the inclined support frame body comprises a plurality of support rods connected with the upper keel,
or the inclined support frame body at least comprises a fixed rod and a supporting rod, one end of the fixed rod is connected with one end of the supporting rod in a right-angle relation, and the supporting rod is connected with an upper keel fixed on the upper template.
By adopting the technical scheme, the upper template is supported by adopting a mode of a plurality of supporting rods, and the supporting and mounting modes are simple.
Of course, if the required strength is higher, the inclined support frame body can be also adopted as follows: including dead lever and bracing piece, dead lever and bracing piece one end are the right angle relation and connect, the bracing piece is connected with the fixed upper portion fossil fragments of upper portion template, and this kind of support mode intensity is higher, and the unity of installation is also better, for further gaining in strength, can add the stiffening rib between dead lever and bracing piece, and this kind of bearing diagonal support frame body is as a whole, can be outside the field machine-shaping in advance, when needs the snap-on, support the upper portion template can, practiced thrift a large amount of installation time.
The present invention in a preferred example may be further configured to: the screw rod is connected with the lower main keel through a nut and the gasket, and two ends of the supporting component are abutted between the lower main keel and a poured wall body.
Through adopting above-mentioned technical scheme, the gasket has increased the area of contact of lower part main joist and screw rod, nut for the firm in connection degree between them is higher, and the support component setting is between lower part main joist and the wall body of having pour, supports the lower side form board indirectly through the wall body, guarantees when pouring, and the side pressure that the concrete flow brought can be born to the template.
The present invention in a preferred example may be further configured to: the supporting part comprises a supporting body and supporting parts arranged at two ends, the supporting parts are abutted to the lower main keel and the poured wall, and the cross-sectional area of each supporting part is larger than that of the supporting body.
Through adopting above-mentioned technical scheme, the brace component forms the joint support between wall body and the lower side form of having pour, and when pouring, the lateral pressure that the lower side form received transmits for the wall body of having pour through the brace component, can guarantee that the lower side form can not appear inclining, the phenomenon of running the mould.
The present invention in a preferred example may be further configured to: the outside of lower side template still is equipped with a plurality of lower part secondary joist, the outside butt of lower part secondary joist is at lower part main joist.
Through adopting above-mentioned technical scheme, the bulk strength of lower side form board has further been strengthened to the inferior keel, and the lateral pressure that the lower part side form received disperses through inferior keel, ensures that the lower side form board can not produce the deformation.
The present invention in a preferred example may be further configured to: the lower secondary keel is made of square wood, and the lower main keel is made of channel steel.
Through adopting above-mentioned technical scheme, above-mentioned building materials, convenient for material selection, processing and installation are all comparatively simple, have reduced construction cost, have shortened the construction cycle.
The present invention in a preferred example may be further configured to: at least 2 rows of screws are embedded in the cast wall body, and the interval between every two rows of screws is 300-500 mm.
By adopting the technical scheme, the preferable spacing is 400mm, and the spacing of the screws can be reduced to 300mm in order to increase the strength.
The present invention in a preferred example may be further configured to: the diameter of the screw is not less than 22 mm.
Through adopting above-mentioned technical scheme, select according to required intensity, but the diameter should not be less than 22mm at least, undersize screw rod diameter because intensity is low, can appear crooked, causes the lower side template to appear the deviation, leads to the board of encorbelmenting of pouring to warp.
The present invention in a preferred example may be further configured to: the supporter is circular steel pipe, the supporting part is the extension piece that sets up at circular steel pipe both ends.
Through adopting above-mentioned technical scheme, adopt above-mentioned structure, convenient for material selection can the off-site machine-shaping in advance, has shortened construction cycle.
The invention also aims to provide a method for reinforcing the side die of the super-thick cantilever plate, which comprises the following steps:
s1, reinforcing of upper formwork
Fixing an inclined support frame body, connecting the inclined support frame body with the upper template to form a support for the upper template, and installing a quick closing-in screen plate on the inner side of the upper template;
s2 reinforcing lower side formwork
A plurality of rows of screw rods are pre-buried when a wall body is poured, a supporting component is sleeved on each screw rod, the free ends of the screw rods penetrate through the lower side formwork and the lower side main keel and then are fixedly connected, wherein the two ends of the supporting components are abutted between the lower side main keel and the poured wall body, a plurality of lower side secondary keels are installed on the outer side of the lower side formwork, the outer side of each lower side secondary keel is abutted to the lower side main keel, and the lower side formwork is supported and fixed.
By adopting the technical scheme, the reinforcing method is simple and easy to implement, and the phenomenon of die running can not occur.
In summary, the invention includes at least one of the following beneficial technical effects:
1. through adopting above-mentioned reinforced structure, the reinforcement side form that not only can stabilize, the usage space is little moreover, and it is convenient to consolidate, and the selection of material is simple, easily processes.
2. The processing method is simple and easy to implement, shortens the construction period and saves the construction cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a structural view of a reinforcing manner of the upper form of the present invention.
Fig. 3 is a structural view of another reinforcement of the upper form of the present invention.
Fig. 4 is an enlarged schematic view of the structure at a of the present invention.
Fig. 5 is a schematic structural view of the support member of the present invention.
The figures are labeled as follows:
1. the method comprises the following steps of (1) reinforcing a template at the upper part of a cantilever plate, (2) reinforcing a template at the lower side of the cantilever plate, (3) reinforcing the cantilever plate, and (4) pouring a wall body;
101. the device comprises an upper template, 102, an inclined support frame body, 1021, a fixing rod, 1022, supporting rods, 103, a quick closing-up net plate, 104, upper keels, 105 and supporting rods; 201. screw 202, free end 203, support part 2031, support body 2032, support part 204, lower side template 205, lower main keel 206, gasket 207 and lower cross keel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1, the reinforcing structure for the ultra-thick cantilever slab side mold disclosed in this embodiment includes a cantilever slab upper formwork reinforcing structure 1 and a cantilever slab lower formwork reinforcing structure 2; the upper formwork 101 and the lower formwork 204 are fixed by the upper formwork reinforcing structure 1 and the cantilever plate lower formwork reinforcing structure 2, respectively.
The upper template reinforcing structure 1 comprises an inclined support frame body 102 for supporting an upper template 101 and a quick closing net plate 103 arranged on the inner side of the upper template 101; the upper template reinforcing structure 1 fixes the template higher than the side face of the cantilever plate 3 of the poured floor slab, and after the whole cantilever plate is poured, the fast closing-up screen plate 3 does not need to be dismantled, so that the template removing time is saved, and the construction period is shortened.
The cantilever plate lower side formwork reinforcing structure 2 comprises a plurality of rows of screws 201 embedded in a poured wall body 4 on the lower side of a cantilever plate 3, a supporting component 203 is sleeved on each screw 201, and the free ends of the screws 201 penetrate through a lower side formwork 202 and a lower main keel 205 to be fixedly connected. The lower side formwork reinforcing structure 2 is used for fixing the lower side formwork when the cantilever plate 3 is poured, and the structure is simple, convenient and easy to operate through a fixing mode of the long screw.
Referring to fig. 2, in order to better fix the upper form 101, the upper form 101 is connected to an upper keel 104, and the diagonal bracing frame body 102 includes a plurality of struts 105 connected to the upper keel 104. The upper template 101 is directly supported by the plurality of supporting rods 105, and the plurality of supporting rods 105 are fixed, so that the fixing mode is simple and easy to implement, the fixing effect is excellent, and the construction period is saved.
Referring to fig. 3, or the inclined supporting frame body 102 at least includes a fixing rod 1021 and a supporting rod 1022, one end of the fixing rod 1021 and one end of the supporting rod 1022 are connected in a right angle relationship, the supporting rod 1022 is connected with the upper keel 104 fixed to the upper formwork 101, the fixing mode supports the upper formwork 101 through the integral inclined supporting frame body 102, the integrity is good, and the stability of the fixed upper formwork 101 is good.
Referring to fig. 4, in order to further fix the lower side formwork 204, a gasket 206 is arranged at the joint of the screw 201 and the lower main keel 205, the screw 201 and the lower main keel 205 are connected through a nut and the gasket 206, two ends of the supporting member 203 abut against between the lower main keel 205 and the poured wall 4, the gasket 206 increases the contact area of the lower main keel 205, the screw 201 and the nut, so that the connection firmness between the lower main keel 205 and the poured wall 4 is higher, the supporting member 203 is arranged between the lower main keel 205 and the poured wall 4, and the lower side formwork 204 is indirectly supported through the poured wall 4, so that the formwork can bear the side pressure caused by concrete flow during pouring.
Wherein, the outside of lower side template 204 still is equipped with a plurality of lower secondary joist 207, the outside butt lower main joist 205 of lower secondary joist 207. The lower secondary joist 207 is a square timber and the lower main joist 205 is a channel steel. At least 2 rows of screws 201 are embedded in the cast wall body, the interval between every two rows of screws 201 is 300-500mm, preferably 400mm, and certainly, in order to increase the strength, the interval of the screws can be reduced to 300mm, and the screws are selected according to the needs. The diameter of the screw 201 is not less than 22mm and is selected according to the required strength, but the diameter is not less than 22mm at least, and the undersized screw diameter is low in strength, so that bending can occur, deviation of a lower side formwork can occur, and the poured cantilever slab deforms.
Referring to fig. 5, in order to shorten the construction period, the supporting member 203 may be formed in advance, the supporting member 203 includes a supporting body 2031 and supporting portions 2032 disposed at both ends, the supporting portions 2032 abut against the lower main keel 205 and the cast wall, the cross-sectional area of the supporting portions 2032 is larger than that of the supporting body 2031, and with the above supporting member, the lateral pressure applied to the lower form 204 is transmitted to the cast wall through the supporting member, so that it is ensured that the lower form does not incline or run out.
For further processing convenience, the supporting body 2031 is a circular steel pipe, the supporting portion 2032 is an expansion piece arranged at two ends of the circular steel pipe, the contact area can be increased by the expansion piece, the structure is adopted, materials are convenient to obtain, the material can be processed and formed in advance outside the field, and the construction period is shortened.
The working principle of the embodiment is as follows: before casting, the upper formwork 101 and the lower formwork 204 are respectively fixed, wherein the upper formwork 101 is reinforced by the following method: fixing an inclined support frame body 102, connecting the inclined support frame body 102 with the upper template 101 to form a support for the upper template 101, and installing a quick closing-in screen plate 103 on the inner side of the upper template 101; the method of reinforcing the lower formwork 204 is as follows: when the wall body 4 is poured, a plurality of rows of screws 201 are pre-buried, a supporting part 203 is sleeved on each screw 201, the free end 202 of each screw 201 penetrates through the lower side formwork 204 and is fixedly connected with the lower main keel 205, wherein two ends of the supporting part 203 are abutted between the lower main keel 205 and the poured wall body 4, a plurality of lower secondary keels 207 are installed on the outer side of the lower side formwork 204, the outer side of each lower secondary keel 207 is abutted against the lower main keel 205 to support and fix the lower formwork 204, and pouring can be performed after the formworks are fixed.
The method for reinforcing the side die of the ultra-thick cantilever plate comprises the following steps:
s1 reinforcement of upper formwork 101
And fixing the inclined support frame body 102, connecting the inclined support frame body 102 with the upper template 101 to form a support for the upper template 101, and installing the quick closing-in screen plate 103 on the inner side of the upper template 101.
S2 reinforcement of lower side formwork 204
When the wall body 4 is poured, a plurality of rows of screws 201 are pre-buried, a supporting part 203 is sleeved on each screw 201, the free end 202 of each screw 201 penetrates through the lower side formwork 204 and is fixedly connected with the lower main keel 205, wherein two ends of the supporting part 203 are abutted between the lower main keel 205 and the poured wall body 4, a plurality of lower secondary keels 207 are installed on the outer side of the lower side formwork 204, and the outer sides of the lower secondary keels 207 are abutted to the lower main keel 205 to support and fix the lower formwork 204.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a reinforced structure of board side form of encorbelmenting of super thick which characterized in that: the template reinforcing structure comprises a cantilever plate upper template reinforcing structure (1) and a cantilever plate lower template reinforcing structure (2);
the upper template reinforcing structure (1) comprises an inclined support frame body (102) for supporting an upper template (101) and a quick closing net plate (103) arranged on the inner side of the upper template (101);
the cantilever plate lower side formwork reinforcing structure (2) comprises a plurality of rows of screws (201) which are embedded in a poured wall body (4) on the lower side of a cantilever plate (3), a supporting component (203) is sleeved on each screw (201), and the free ends (202) of the screws (201) penetrate through lower side formworks (204) and are fixedly connected with lower main keels (205).
2. The reinforced structure of the ultra-thick cantilever plate side mold according to claim 1, characterized in that: the upper template (101) is connected with an upper keel (104), the inclined support frame body (102) comprises a plurality of supporting rods (105) connected with the upper keel (104),
or the inclined support frame body (102) at least comprises a fixing rod (1021) and a supporting rod (1022), one end of the fixing rod (1021) is connected with one end of the supporting rod (1022) in a right-angle relation, and the supporting rod (1022) is connected with an upper keel (104) fixed on the upper formwork (101).
3. The reinforced structure of the ultra-thick cantilever plate side mold according to claim 1, characterized in that: the connecting part of the screw rod (201) and the lower main keel (205) is provided with a gasket (206), the screw rod (201) and the lower main keel (205) are connected through a nut and the gasket (206), and two ends of the supporting part (203) are abutted between the lower main keel (205) and the poured wall body (4).
4. The reinforced structure of the ultra-thick cantilever plate side mold according to claim 3, characterized in that: the supporting component (203) comprises a supporting body (2031) and supporting parts (2032) arranged at two ends, the supporting parts (2032) abut against the lower main keel (205) and the poured wall body (4), and the cross-sectional area of the supporting parts (2032) is larger than that of the supporting body (2031).
5. The reinforced structure of the ultra-thick cantilever plate side mold according to claim 1, characterized in that: the outside of downside template (204) still is equipped with a plurality of lower secondary joist (207), the outside butt lower main joist (205) of lower part secondary joist (207).
6. The reinforced structure of the ultra-thick cantilever plate side mold according to claim 5, characterized in that: the lower secondary keel (207) is made of square wood, and the lower main keel (205) is made of channel steel.
7. The reinforced structure of the ultra-thick cantilever plate side mold according to claim 1, characterized in that: at least 2 rows of screws (201) are embedded in the poured wall body (4), and the interval between every two rows of screws (201) is 300-500 mm.
8. The reinforced structure of the ultra-thick cantilever slab side mold according to claim 7, characterized in that: the diameter of the screw (201) is not less than 22 mm.
9. The reinforced structure of the ultra-thick cantilever slab side mold according to claim 4, characterized in that: the supporting body (2031) is a round steel pipe, and the supporting part (2032) is an expansion sheet arranged at two ends of the round steel pipe.
10. A method for reinforcing a side mold of an ultra-thick cantilever plate is characterized by comprising the following steps:
s1 reinforcement of upper formwork (101)
Fixing an inclined support frame body (102), connecting the inclined support frame body (102) with an upper template (101) to form a support for the upper template (101), and installing a quick closing-in screen plate (103) on the inner side of the upper template (101);
s2, reinforcing lower side formwork (204)
Pre-buried a plurality of rows of screw rods (201) when pouring wall body (4), set supporting component (203) on every screw rod (201), fixed connection behind lower side template (204) and lower part main joist (205) is passed in free end (202) of screw rod (201), wherein, the both ends butt of supporting component (203) is between lower part main joist (205) and the wall body (4) of having pour, a plurality of lower part secondary joist (207) are installed in the outside of lower side template (204), the outside butt lower part main joist (205) of lower part secondary joist (207), it is fixed to form to support lower part template (204).
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| CN202010306337.0A CN111441577B (en) | 2020-04-17 | 2020-04-17 | Reinforcing structure and method for side mold of super-thick cantilever plate |
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| CN202010306337.0A CN111441577B (en) | 2020-04-17 | 2020-04-17 | Reinforcing structure and method for side mold of super-thick cantilever plate |
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