CN110821163A - Construction method for preventing upward floating of elevator shaft hoisting formwork - Google Patents
Construction method for preventing upward floating of elevator shaft hoisting formwork Download PDFInfo
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- CN110821163A CN110821163A CN201911173419.6A CN201911173419A CN110821163A CN 110821163 A CN110821163 A CN 110821163A CN 201911173419 A CN201911173419 A CN 201911173419A CN 110821163 A CN110821163 A CN 110821163A
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- elevator shaft
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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Abstract
The invention discloses a construction method for preventing an elevator shaft hoisting mold from floating, and relates to the technical field of elevator construction. The construction method for preventing the elevator shaft hoisting formwork from floating upwards comprises the following steps: s1, building an elevator shaft hoisting mould of the basic part by adopting a wooden frame box body structure; s2, placing the whole hanging mould in the basic position of the elevator shaft; and S3, binding the steel bars of the bottom plate part on the outer side of the hanging mould, and placing the cement cushion blocks between the outer side of the hanging mould and the surface layer steel bars. According to the construction method for preventing the elevator shaft hoisting formwork from floating up, the original fixing mode of the bottom of the elevator shaft hoisting formwork is changed, the elevator shaft hoisting formwork is effectively prevented from floating up when concrete is poured, and the accuracy of the construction of the elevator shaft of the foundation part is ensured. By adopting the construction method to position and reinforce the elevator shaft hanging die, the elevator shaft can be formed at one time, the phenomena of insufficient elevator shaft depth, position deviation and the like caused by the floating of the hanging die during concrete pouring are avoided, and the later-stage elevator installation is ensured.
Description
Technical Field
The invention relates to the technical field of elevator construction, in particular to a construction method for preventing an elevator shaft hoisting formwork from floating upwards.
Background
In present building construction, high-rise building becomes the main content of construction, however in high-rise construction indispensable ground storehouse construction, floor foundation construction of involving, ground storehouse bottom plate and while basic construction must involve the elevartor shaft construction, because the base position elevartor shaft depth is not less than 1.5m, can involve the hanging mould construction when the elevartor shaft is under construction.
When ground storehouse bottom plate and basic elevartor shaft suspended formwork construction in the past, often because when concreting, lead to the holistic come-up of elevartor shaft suspended formwork or side floating, just so directly lead to the change of original design elevartor shaft geometric dimensions to use. Although later stage adopts some people to repairment, nevertheless to the structure certain damage of inevitable, still can lead to the elevartor shaft seepage, above-mentioned condition can not only exert an influence to later stage elevator installation, still can additionally increase great construction cost.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a construction method for preventing an elevator shaft hoisting die from floating, which solves the problem that when the conventional ground reservoir bottom plate and a foundation elevator shaft hoisting die are constructed, the elevator shaft hoisting die floats upwards or floats sideways integrally due to concrete pouring, so that the change of the geometric dimension of the originally designed elevator shaft cannot be used. Although later stage adopts some people to repair, nevertheless to the structure certain damage of inevitable, still can lead to the elevartor shaft seepage, above-mentioned condition can not only exert an influence to later stage elevator installation, still can additionally increase great construction cost's problem.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a construction method for preventing an elevator shaft hoisting mold from floating upwards comprises the following steps:
s1, building an elevator shaft hoisting mould of the basic part by adopting a wooden frame box body structure;
s2, placing the whole hanging mould in the basic position of the elevator shaft;
and S3, binding the steel bars of the bottom plate part on the outer side of the hanging mould, and placing the cement cushion blocks between the outer side of the hanging mould and the surface layer steel bars.
Preferably, in step S1, when the elevator shaft hanging formwork is constructed, the interior is supported by square timber as a frame structure, and the outer periphery and the bottom are supported by formworks as outer vertical surfaces.
Preferably, in step S3, during reinforcement construction, adopt length 500mm, diameter 16mm round steel, one end processing length 150mm screw rod, the other end vertical welding is on double-deck bottom plate reinforcing bar, hang the mould bottom and correspond to open at vertical welding screw rod position and have the round hole, the vertical welding screw rod of being convenient for passes and hangs the mould bottom plate, through vertical welding screw rod position round hole, will hang the mould and fix on elevator shaft bottom plate reinforcing bar position, then adopt fastening nut, butterfly buckle, steel pipe to hang the mould fixedly with the elevator shaft.
Preferably, in step S3, the elevator shaft suspended formwork after construction is composed of concrete bottom plate upper layer steel bars, concrete bottom plate lower layer steel bars, concrete bottom plate, concrete protection layer, elevator shaft suspended formwork inner side frame support, suspended formwork outer side formwork, screw rods, fastening nuts, butterfly buckles, steel pipes, cement cushion blocks, concrete cushion layers and original soil layers, wherein the concrete conditions of each part are as follows: the upper layer of steel bars of the concrete bottom plate, the common foundation bottom plate is provided with an upper layer of steel bars and a lower layer of steel bars, and the upper layer of steel bars is the upper surface layer of steel bars; the lower layer of steel bar of the concrete bottom plate is a lower bottom layer of steel bar and is tightly attached to the lower cushion layer, and a protective layer cushion block is arranged between the cushion layer and the bottom layer of steel bar; the concrete bottom plate is a poured forming foundation and comprises a foundation elevator shaft part, and one end of a bolt for fixing the hoisting die is poured; the concrete protective layer is foundation structure surface layer concrete, the thickness is generally 15mm-70mm, the building has different design years and different environments, and the thickness of the structural protective layer of the beam, the plate and the column is different; the elevator shaft hoisting die inner side frame support is generally made of square timber according to the size of an elevator shaft hoisting die, a firm frame structure is manufactured, the thickness of an outer side template is calculated, the strength of concrete buoyancy during pouring is met, and the frame structure at the bottom of the hoisting die is designed to be convenient to reinforce by adopting a screw rod, a fastening nut, a butterfly buckle and a steel pipe; the outer side template of the suspended mould is mainly used for sealing four sides and the bottom of the outer side template supported by the suspended mould frame, and the mould is nailed outside the inner side frame support of the suspended mould by iron nails; the screw rod is made of 16mm steel bars, one end of the screw rod is processed into a screw rod with the length of 150mm, and the other end of the screw rod is directly welded on the steel bars of the bottom plate without processing; the fastening nut is fastened on the screw rod and used for fixing and locking the screw rod penetrating through the hanging die bottom plate, the steel pipe and the butterfly buckle, and double nuts are adopted during use to increase the locking strength; the butterfly buckle is the same as a butterfly unfolding wing in appearance, belongs to a purchasable finished product and is used for clamping and locking two steel pipes; the steel pipes are 40mm steel pipes which are commonly used in a common construction site and are also steel pipes which are commonly used in the construction of on-site scaffolds, and the steel pipes are more in number and convenient to use in the construction site; the cement cushion blocks are made of cement and can be bought into finished products, and the cement cushion blocks are used for controlling the thickness of the protective layer after concrete pouring; the concrete cushion layer is cast by adopting the concrete with the bottom label, and the concrete and the later-cast concrete structure are isolated under the reinforcing steel bars of the foundation slab; the original soil layer is the original soil layer which is not excavated below the bedding layer.
(III) advantageous effects
The invention provides a construction method for preventing an elevator shaft hoisting formwork from floating upwards. The method has the following beneficial effects:
according to the construction method for preventing the elevator shaft hoisting formwork from floating up, the original fixing mode of the bottom of the elevator shaft hoisting formwork is changed, the elevator shaft hoisting formwork is effectively prevented from floating up when concrete is poured, and the accuracy of the construction of the elevator shaft of the foundation part is ensured. The construction method is adopted to position and reinforce the elevator shaft hanging die, the elevator shaft can be formed at one time, the phenomena of insufficient elevator shaft depth, position deviation and the like caused by the floating of the hanging die when concrete is poured are avoided, later-stage elevator installation is ensured, and the construction problem of the floating of the elevator shaft hanging die caused by the large floating of concrete of a foundation part when concrete pouring construction is carried out on the elevator shaft of a foundation part can be well solved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention.
In the figure: 1. upper layer steel bars of the concrete bottom plate; 2. lower layer steel bars of the concrete bottom plate; 3. a concrete floor; 4. a concrete protective layer; 5. supporting an inner frame of the elevator shaft hoisting mold; 6. hanging a mold outer side template; 7. a screw; 8. fastening a nut; 9. a butterfly buckle; 10. a steel pipe; 11. cement cushion blocks; 12. a concrete cushion; 13. and (5) original soil layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a construction method for preventing an elevator shaft hoisting mold from floating upwards comprises the following steps:
s1, adopting a wooden frame box body structure to build an elevator shaft hanging mould of the basic part, wherein when the elevator shaft hanging mould is built, square wood is used as a frame structure support inside, and templates are used as outer vertical surfaces at the periphery and the bottom of the outer side;
s2, placing the whole hanging mould in the basic position of the elevator shaft;
s3, performing reinforcement construction on the bottom plate part outside the hanging mould, and placing a cement cushion block between the outside of the hanging mould and a surface layer steel bar, wherein during reinforcement construction, a round steel bar with the length of 500mm and the diameter of 16mm is adopted, one end of the round steel bar is processed into a screw rod with the length of 150mm, the other end of the round steel bar is vertically welded on a double-layer bottom plate steel bar, a round hole is formed in the bottom of the hanging mould corresponding to the position of the vertical welding screw rod, the vertical welding screw rod conveniently penetrates through the bottom plate of the hanging mould, the hanging mould is fixed on the position of the steel bar of the elevator shaft bottom plate through the round hole in the position of the vertical welding screw rod, then the elevator shaft hanging mould is fixed by adopting a fastening nut, a butterfly buckle and a steel pipe, and the elevator shaft hanging mould after construction is completed is composed of the upper-layer steel, The concrete comprises a steel pipe, a cement cushion block, a concrete cushion layer and an original soil layer, wherein the concrete conditions of all parts are as follows: the upper layer of steel bars of the concrete bottom plate, the common foundation bottom plate is provided with an upper layer of steel bars and a lower layer of steel bars, and the upper layer of steel bars is the upper surface layer of steel bars; the lower layer of steel bar of the concrete bottom plate is a lower bottom layer of steel bar and is tightly attached to the lower cushion layer, and a protective layer cushion block is arranged between the cushion layer and the bottom layer of steel bar; the concrete bottom plate is a poured forming foundation and comprises a foundation elevator shaft part, and one end of a bolt for fixing the hoisting die is poured; the concrete protective layer is foundation structure surface layer concrete, the thickness is generally 15mm-70mm, the building has different design years and different environments, and the thickness of the structural protective layer of the beam, the plate and the column is different; the elevator shaft hoisting die inner side frame support is generally made of square timber according to the size of an elevator shaft hoisting die, a firm frame structure is manufactured, the thickness of an outer side template is calculated, the strength of concrete buoyancy during pouring is met, and the frame structure at the bottom of the hoisting die is designed to be convenient to reinforce by adopting a screw rod, a fastening nut, a butterfly buckle and a steel pipe; the outer side template of the suspended mould is mainly used for sealing four sides and the bottom of the outer side template supported by the suspended mould frame, and the mould is nailed outside the inner side frame support of the suspended mould by iron nails; the screw rod is made of 16mm steel bars, one end of the screw rod is processed into a screw rod with the length of 150mm, and the other end of the screw rod is directly welded on the steel bars of the bottom plate without processing; the fastening nut is fastened on the screw rod and used for fixing and locking the screw rod penetrating through the hanging die bottom plate, the steel pipe and the butterfly buckle, and double nuts are adopted during use to increase the locking strength; the butterfly buckle is the same as a butterfly unfolding wing in appearance, belongs to a purchasable finished product and is used for clamping and locking two steel pipes; the steel pipes are 40mm steel pipes which are commonly used in a common construction site and are also steel pipes which are commonly used in the construction of on-site scaffolds, and the steel pipes are more in number and convenient to use in the construction site; the cement cushion blocks are made of cement and can be bought into finished products, and the cement cushion blocks are used for controlling the thickness of the protective layer after concrete pouring; the concrete cushion layer is cast by adopting the concrete with the bottom label, and the concrete and the later-cast concrete structure are isolated under the reinforcing steel bars of the foundation slab; the original soil layer is the original soil layer which is not excavated below the bedding layer.
In conclusion, according to the construction method for preventing the elevator shaft hoisting formwork from floating up, the original fixing mode of the bottom of the elevator shaft hoisting formwork is changed, the elevator shaft hoisting formwork is effectively prevented from floating up when concrete is poured, and the accuracy of the construction of the elevator shaft of the foundation part is ensured. The construction method is adopted to position and reinforce the elevator shaft hanging die, the elevator shaft can be formed at one time, the phenomena of insufficient elevator shaft depth, position deviation and the like caused by the floating of the hanging die when concrete is poured are avoided, later-stage elevator installation is ensured, and the construction problem of the floating of the elevator shaft hanging die caused by the large floating of concrete of a foundation part when concrete pouring construction is carried out on the elevator shaft of a foundation part can be well solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A construction method for preventing an elevator shaft hoisting mold from floating upwards is characterized by comprising the following steps: the method comprises the following steps:
s1, building an elevator shaft hoisting mould of the basic part by adopting a wooden frame box body structure;
s2, placing the whole hanging mould in the basic position of the elevator shaft;
and S3, binding the steel bars of the bottom plate part on the outer side of the hanging mould, and placing the cement cushion blocks between the outer side of the hanging mould and the surface layer steel bars.
2. The construction method for preventing the elevator shaft hoisting formwork from floating up according to claim 1, characterized in that: in step S1, when the elevator shaft hanging formwork is built, the inside is supported by square timber as a frame structure, and the outside periphery and the bottom are supported by formworks as an outer vertical surface.
3. The construction method for preventing the elevator shaft hoisting formwork from floating up according to claim 1, characterized in that: in step S3, during reinforcement construction, round steel with the length of 500mm and the diameter of 16mm is adopted, one end of the round steel is processed into a screw rod with the length of 150mm, the other end of the round steel is vertically welded on the steel bars of the double-layer bottom plate, the bottom of the hanging die is provided with a round hole corresponding to the position of the vertical welding screw rod, the vertical welding screw rod convenient to penetrate through the bottom plate of the hanging die, the hanging die is fixed on the position of the steel bars of the elevator shaft bottom plate through the round hole at the position of the vertical welding screw rod, and then the.
4. The construction method for preventing the elevator shaft hoisting formwork from floating up according to claim 1, characterized in that: in step S3, the elevator shaft suspended formwork after the construction is completed is composed of concrete bottom plate upper layer steel bars, concrete bottom plate lower layer steel bars, concrete bottom plate, concrete protection layer, elevator shaft suspended formwork inner side frame support, suspended formwork outer side formwork, screw rods, fastening nuts, butterfly buckles, steel pipes, cement cushion blocks, concrete cushion layers and original soil layers, wherein the concrete conditions of each part are as follows: the upper layer of steel bars of the concrete bottom plate, the common foundation bottom plate is provided with an upper layer of steel bars and a lower layer of steel bars, and the upper layer of steel bars is the upper surface layer of steel bars; the lower layer of steel bar of the concrete bottom plate is a lower bottom layer of steel bar and is tightly attached to the lower cushion layer, and a protective layer cushion block is arranged between the cushion layer and the bottom layer of steel bar; the concrete bottom plate is a poured forming foundation and comprises a foundation elevator shaft part, and one end of a bolt for fixing the hoisting die is poured; the concrete protective layer is foundation structure surface layer concrete, the thickness is generally 15mm-70mm, the building has different design years and different environments, and the thickness of the structural protective layer of the beam, the plate and the column is different; the elevator shaft hoisting die inner side frame support is generally made of square timber according to the size of an elevator shaft hoisting die, a firm frame structure is manufactured, the thickness of an outer side template is calculated, the strength of concrete buoyancy during pouring is met, and the frame structure at the bottom of the hoisting die is designed to be convenient to reinforce by adopting a screw rod, a fastening nut, a butterfly buckle and a steel pipe; the outer side template of the suspended mould is mainly used for sealing four sides and the bottom of the outer side template supported by the suspended mould frame, and the mould is nailed outside the inner side frame support of the suspended mould by iron nails; the screw rod is made of 16mm steel bars, one end of the screw rod is processed into a screw rod with the length of 150mm, and the other end of the screw rod is directly welded on the steel bars of the bottom plate without processing; the fastening nut is fastened on the screw rod and used for fixing and locking the screw rod penetrating through the hanging die bottom plate, the steel pipe and the butterfly buckle, and double nuts are adopted during use to increase the locking strength; the butterfly buckle is the same as a butterfly unfolding wing in appearance, belongs to a purchasable finished product and is used for clamping and locking two steel pipes; the steel pipes are 40mm steel pipes which are commonly used in a common construction site and are also steel pipes which are commonly used in the construction of on-site scaffolds, and the steel pipes are more in number and convenient to use in the construction site; the cement cushion blocks are made of cement and can be bought into finished products, and the cement cushion blocks are used for controlling the thickness of the protective layer after concrete pouring; the concrete cushion layer is cast by adopting the concrete with the bottom label, and the concrete and the later-cast concrete structure are isolated under the reinforcing steel bars of the foundation slab; the original soil layer is the original soil layer which is not excavated below the bedding layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911173419.6A CN110821163A (en) | 2019-11-26 | 2019-11-26 | Construction method for preventing upward floating of elevator shaft hoisting formwork |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911173419.6A CN110821163A (en) | 2019-11-26 | 2019-11-26 | Construction method for preventing upward floating of elevator shaft hoisting formwork |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622655A (en) * | 2021-07-24 | 2021-11-09 | 浙江龙马建设有限公司 | Template is pour to integrative pouring shaping elevartor shaft |
| CN115094936A (en) * | 2022-07-13 | 2022-09-23 | 中建一局集团第一建筑有限公司 | Anti-floating reinforcing device for elevator shaft and water collecting shaft hoisting die and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201695681U (en) * | 2010-07-01 | 2011-01-05 | 中建三局建设工程股份有限公司 | Integral self-elevating type elevator hoistway tube mold |
| CN104358275A (en) * | 2014-11-19 | 2015-02-18 | 武汉一冶建筑安装工程有限责任公司 | Construction method for deeper elevator well or water collecting well |
| CN204266590U (en) * | 2014-11-19 | 2015-04-15 | 大同泰瑞集团建设有限公司 | Sump, hoistway formwork bed die anti-floating system |
| CN107313588A (en) * | 2017-08-30 | 2017-11-03 | 云南工程建设总承包公司 | Catch pit bottom plate tool-typed formwork and its construction usage method |
| CN108166536A (en) * | 2018-01-17 | 2018-06-15 | 温州正康建设有限公司 | A kind of anti-levitating device of hoistway formwork and its construction method |
-
2019
- 2019-11-26 CN CN201911173419.6A patent/CN110821163A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201695681U (en) * | 2010-07-01 | 2011-01-05 | 中建三局建设工程股份有限公司 | Integral self-elevating type elevator hoistway tube mold |
| CN104358275A (en) * | 2014-11-19 | 2015-02-18 | 武汉一冶建筑安装工程有限责任公司 | Construction method for deeper elevator well or water collecting well |
| CN204266590U (en) * | 2014-11-19 | 2015-04-15 | 大同泰瑞集团建设有限公司 | Sump, hoistway formwork bed die anti-floating system |
| CN107313588A (en) * | 2017-08-30 | 2017-11-03 | 云南工程建设总承包公司 | Catch pit bottom plate tool-typed formwork and its construction usage method |
| CN108166536A (en) * | 2018-01-17 | 2018-06-15 | 温州正康建设有限公司 | A kind of anti-levitating device of hoistway formwork and its construction method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622655A (en) * | 2021-07-24 | 2021-11-09 | 浙江龙马建设有限公司 | Template is pour to integrative pouring shaping elevartor shaft |
| CN113622655B (en) * | 2021-07-24 | 2022-08-12 | 浙江龙马建设有限公司 | Template is pour to integrative pouring shaping elevartor shaft |
| CN115094936A (en) * | 2022-07-13 | 2022-09-23 | 中建一局集团第一建筑有限公司 | Anti-floating reinforcing device for elevator shaft and water collecting shaft hoisting die and construction method |
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Application publication date: 20200221 |