CN109057245A - A kind of small bore vertical shaft exempts from the construction method of demoulding - Google Patents
A kind of small bore vertical shaft exempts from the construction method of demoulding Download PDFInfo
- Publication number
- CN109057245A CN109057245A CN201810929219.8A CN201810929219A CN109057245A CN 109057245 A CN109057245 A CN 109057245A CN 201810929219 A CN201810929219 A CN 201810929219A CN 109057245 A CN109057245 A CN 109057245A
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- CN
- China
- Prior art keywords
- vertical shaft
- thin wall
- demoulding
- annular thin
- wall concrete
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses the construction methods that a kind of small bore vertical shaft exempts from demoulding, the multiple annular thin wall concrete inner moulds with certain length of pre-production, the small bore vertical shaft exempts from the construction method of demoulding the following steps are included: S1: in next layer of casting of concrete in mass, determine Shaft Location, and pre-buried fixed internal formwork reinforcing member；S2: according to this layer of casting of concrete in mass thickness, the annular thin wall concrete inner mould of the corresponding length of pre-production is chosen, is lifted to Shaft Location, is positioned and reinforce using fixed internal formwork reinforcing member；S3: this layer of mass concrete, the fixed internal formwork reinforcing member of pre-buried upper one layer of vertical shaft are poured；S4: repeating step S2 and step S3, until Construction of Silo is completed.The present invention had without the advantages of carrying out demoulding in the vertical shaft of narrow space, reducing form removable process, greatly accelerate construction speed.
Description
Technical field
The present invention relates to the constructions that the construction method of vertical shaft in architectural engineering more particularly to a kind of small bore vertical shaft exempt from demoulding
Method.
Background technique
In large volume concrete structural, various forms of small bore vertical shafts are often reserved with, vertical shaft inner space is narrow
Small, the construction of existing vertical shaft is mainly to reserve vertical shaft hole, according to the size of vertical shaft hole inner wall, makes vertical shaft mold, pours substantially
Before product concrete, vertical shaft mold is put into vertical shaft hole, is removed after having poured mass concrete.This construction method,
Assembly and disassembly bracket, template installation are the confined space operation when construction, and form removal operation is cumbersome after construction, and working efficiency is low,
Security risk is big.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of without in the perpendicular of narrow space
Demoulding is carried out in well, reduces form removable process, the small bore vertical shaft for greatly accelerating construction speed exempts from the construction party of demoulding
Method.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of small bore vertical shaft exempts from the construction method of demoulding, the multiple annular thin wall coagulations with certain length of pre-production
Native internal model, the small bore vertical shaft exempt from the construction method of demoulding the following steps are included:
S1: in next layer of casting of concrete in mass, Shaft Location, and pre-buried fixed internal formwork reinforcing member are determined；
S2: according to this layer of casting of concrete in mass thickness, the annular thin wall coagulation of the corresponding length of pre-production is chosen
Native internal model lifts to Shaft Location, positions and reinforce using fixed internal formwork reinforcing member；
S3: this layer of mass concrete, the fixed internal formwork reinforcing member of pre-buried upper one layer of vertical shaft are poured；
S4: repeating step S2 and step S3, until Construction of Silo is completed.
As a further improvement of the above technical scheme:
The step of pre-production annular thin wall concrete inner mould are as follows:
S01: it according to the size and depth of vertical shaft, calculates to prefabricated annular thin wall concrete inner mould quantity and size；
S02: prefabricated annular thin wall concrete inner mould is waited for according to each, makes corresponding molding die；
S03: pouring annular thin wall concrete inner mould one by one, demould after molding, completes all annular thin wall concrete inner moulds
Pre-production.
Preferably, in the step S03, when pouring single annular thin wall concrete inner mould, it is arranged in molding die
Single layer steel mesh, for increasing the intensity of annular thin wall concrete inner mould.
Preferably, in the step S03, when pouring single annular thin wall concrete inner mould, reserved a pair is for hanging
The lifting hole(eyelet) of dress.
Preferably, in the step S03, after annular thin wall concrete inner mould shaping and demoulding, covering humidification maintenance is carried out,
To reach design concrete grade intensity.
Preferably, in the step S2, the fixed internal formwork reinforcing member is positioning fashioned iron, is arranged four, is divided into vertical shaft
Surrounding or quadrangle, annular thin wall concrete inner mould are arranged in four positioning fashioned iron.
Compared with the prior art, the advantages of the present invention are as follows:
A kind of small bore vertical shaft of the invention exempts from the construction method of demoulding, and core is, make multiple has one in advance
The annular thin wall concrete inner mould of measured length gradually mixes single annular thin wall when pouring mass concrete in layer
Solidifying soil internal model is overlapped, and is spliced to form vertical shaft, in this way after pouring casting of concrete in mass, is not needed to narrow space
Vertical shaft carry out demoulding, reduce form removable process, reduce security risk, meanwhile, greatly accelerate construction speed.This hair
The internal model of vertical shaft is changed to concentration pre-casting outside storehouse by the bright internal model by pre-production vertical shaft, and batch production processing is easy to carry out quality
Control.
Detailed description of the invention
Fig. 1 is the construction method flow diagram that small bore vertical shaft of the invention exempts from demoulding.
Fig. 2 is vertical shaft schematic cross-section of the invention.
Each label indicates in figure:
1, annular thin wall concrete inner mould；2, mass concrete；3, vertical shaft；4, fixed internal formwork reinforcing member.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, invention is further described in detail.
As depicted in figs. 1 and 2, the small bore vertical shaft of the present embodiment exempts from the construction method of demoulding, and pre-production is multiple to be had
The annular thin wall concrete inner mould 1 of certain length, small bore vertical shaft exempt from the construction method of demoulding the following steps are included:
S1: when next layer of mass concrete 2 pours, 3 position of vertical shaft, and pre-buried fixed internal formwork reinforcing member 4 are determined；
S2: thickness is poured according to this layer of mass concrete 2, chooses the annular thin wall coagulation of the corresponding length of pre-production
Native internal model 1, lifting to 3 position of vertical shaft are positioned and are reinforced using fixed internal formwork reinforcing member 4；
S3: this layer of mass concrete 2, the fixed internal formwork reinforcing member 4 of pre-buried upper one layer of vertical shaft 3 are poured；
S4: repeating step S2 and step S3, until the construction of vertical shaft 3 is completed.
A kind of small bore vertical shaft of the invention exempts from the construction method of demoulding, and core is, make multiple has one in advance
The annular thin wall concrete inner mould 1 of measured length, when pouring mass concrete 2 in layer, gradually by single annular thin wall
Concrete inner mould 1 is overlapped, and is spliced to form vertical shaft 3, in this way after pouring mass concrete 2 and pouring, is not needed to sky
Between narrow vertical shaft 3 carry out demoulding, reduce form removable process, reduce security risk, meanwhile, greatly accelerate construct into
Degree.
In the present embodiment, in step S2, fixed internal formwork reinforcing member 4 is positioning fashioned iron, is arranged four, is divided into vertical shaft four
Angle, annular thin wall concrete inner mould 1 are arranged in four positioning fashioned iron, not only can be to annular thin wall concrete inner mould 1
It is positioned, after the mass concrete 2 of current layer pours, positioning fashioned iron is to entire superimposed annular thin wall concrete
Internal model 1 has the function of reinforcing.
In the present embodiment, the step of pre-production annular thin wall concrete inner mould 1 are as follows:
S01: it according to the size and depth of vertical shaft 3, calculates to prefabricated 1 quantity of annular thin wall concrete inner mould and ruler
It is very little；
S02: prefabricated annular thin wall concrete inner mould 1 is waited for according to each, makes corresponding molding die；
S03: preparing a prefabricated place outside storehouse surface, pour annular thin wall concrete inner mould 1 one by one, demould after molding,
Complete the pre-production of all annular thin wall concrete inner moulds 1.
Wherein, in the step S03, when pouring single annular thin wall concrete inner mould 1, it is arranged in molding die single
Layer steel mesh, for increasing the intensity of annular thin wall concrete inner mould 1.A pair of symmetrically lifting hole(eyelet) for lifting reserved simultaneously.
In the step S03, after 1 shaping and demoulding of annular thin wall concrete inner mould, covering humidification maintenance is carried out, to reach design coagulation
Native grade strength.
The present invention passes through the internal model of pre-production vertical shaft 3, the internal model of vertical shaft 3 is changed to concentration pre-casting outside storehouse, batch production adds
Work is easy to carry out quality control.The length of each annular thin wall concrete inner mould 1 can be all the same, can also be all different, or
Person is a part of identical.It designs according to actual needs.
Although the present invention has been disclosed as a preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (6)
1. the construction method that a kind of small bore vertical shaft exempts from demoulding, which is characterized in that the multiple rings with certain length of pre-production
Shape thin wall concrete internal model (1), the small bore vertical shaft exempt from the construction method of demoulding the following steps are included:
S1: when next layer of mass concrete (2) pours, vertical shaft (3) position, and pre-buried fixed internal formwork reinforcing member (4) are determined；
S2: thickness is poured according to this layer of mass concrete (2), chooses the annular thin wall concrete of the corresponding length of pre-production
Internal model (1), lifting to vertical shaft (3) position are positioned and are reinforced using fixed internal formwork reinforcing member (4)；
S3: pouring this layer of mass concrete (2), the fixed internal formwork reinforcing member (4) of pre-buried upper one layer of vertical shaft (3)；
S4: repeating step S2 and step S3, until vertical shaft (3) construction is completed.
2. the construction method that small bore vertical shaft according to claim 1 exempts from demoulding, which is characterized in that pre-production annular is thin
The step of wall concrete inner mould (1) are as follows:
S01: it according to the size and depth of vertical shaft (3), calculates to prefabricated annular thin wall concrete inner mould (1) quantity and ruler
It is very little；
S02: prefabricated annular thin wall concrete inner mould (1) is waited for according to each, makes corresponding molding die；
S03: pouring annular thin wall concrete inner mould (1) one by one, demould after molding, completes all annular thin wall concrete inner moulds
(1) pre-production.
3. the construction method that small bore vertical shaft according to claim 2 exempts from demoulding, which is characterized in that in the step S03,
When pouring single annular thin wall concrete inner mould (1), single layer steel mesh is set in molding die, for increasing annular thin wall
The intensity of concrete inner mould (1).
4. the construction method that small bore vertical shaft according to claim 2 exempts from demoulding, which is characterized in that in the step S03,
When pouring single annular thin wall concrete inner mould (1), a pair of lifting hole(eyelet) for lifting is reserved.
5. the construction method that small bore vertical shaft according to claim 2 exempts from demoulding, which is characterized in that in the step S03,
After annular thin wall concrete inner mould (1) shaping and demoulding, covering humidification maintenance is carried out, to reach design concrete grade intensity.
6. the construction method that small bore vertical shaft according to claim 1 exempts from demoulding, which is characterized in that in the step S2,
The fixed internal formwork reinforcing member (4) is positioning fashioned iron, is arranged four, is divided into vertical shaft surrounding or quadrangle, annular thin wall concrete
Internal model (1) is arranged in four positioning fashioned iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810929219.8A CN109057245B (en) | 2018-08-15 | 2018-08-15 | Construction method for small-section vertical shaft without formwork removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810929219.8A CN109057245B (en) | 2018-08-15 | 2018-08-15 | Construction method for small-section vertical shaft without formwork removal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109057245A true CN109057245A (en) | 2018-12-21 |
| CN109057245B CN109057245B (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810929219.8A Active CN109057245B (en) | 2018-08-15 | 2018-08-15 | Construction method for small-section vertical shaft without formwork removal |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06170818A (en) * | 1991-10-07 | 1994-06-21 | Mitsuo Tosaka | Production of form made of concrete |
| CN102493647A (en) * | 2011-12-05 | 2012-06-13 | 中冶天工集团有限公司 | Construction method for high-rise concrete structure |
| CN103628883A (en) * | 2013-12-18 | 2014-03-12 | 中铁隧道集团二处有限公司 | Non-bracket overlong steel bar binding mobile molding method of deep-narrow vertical shaft |
| CN106837341A (en) * | 2017-01-11 | 2017-06-13 | 中铁十六局集团地铁工程有限公司 | A kind of construction method of Metro construction shaft wall |
| CN107237637A (en) * | 2017-07-12 | 2017-10-10 | 福州大学 | Suitable for the concrete supporting structure and construction method of small-sized Construction of Silo |
-
2018
- 2018-08-15 CN CN201810929219.8A patent/CN109057245B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06170818A (en) * | 1991-10-07 | 1994-06-21 | Mitsuo Tosaka | Production of form made of concrete |
| CN102493647A (en) * | 2011-12-05 | 2012-06-13 | 中冶天工集团有限公司 | Construction method for high-rise concrete structure |
| CN103628883A (en) * | 2013-12-18 | 2014-03-12 | 中铁隧道集团二处有限公司 | Non-bracket overlong steel bar binding mobile molding method of deep-narrow vertical shaft |
| CN106837341A (en) * | 2017-01-11 | 2017-06-13 | 中铁十六局集团地铁工程有限公司 | A kind of construction method of Metro construction shaft wall |
| CN107237637A (en) * | 2017-07-12 | 2017-10-10 | 福州大学 | Suitable for the concrete supporting structure and construction method of small-sized Construction of Silo |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109057245B (en) | 2020-05-05 |
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