CN104736779B - Rose the construction of concrete structure body method of a floor per two days - Google Patents
Rose the construction of concrete structure body method of a floor per two days Download PDFInfo
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- CN104736779B CN104736779B CN201480002736.0A CN201480002736A CN104736779B CN 104736779 B CN104736779 B CN 104736779B CN 201480002736 A CN201480002736 A CN 201480002736A CN 104736779 B CN104736779 B CN 104736779B
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
- E04B1/161—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with vertical and horizontal slabs, both being partially cast in situ
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/60—Flooring materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
- E04B1/165—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with elongated load-supporting parts, cast in situ
Abstract
The present invention is that datum layer ground is divided into multiple operating areas, start to be marked on concrete floor ground from a side region of the operating area being divided, mounting post reinforcing bar, column template is installed, wall form is installed, mounting column, after installing for building the slab form and reinforcing bar on upper strata ground, start casting concrete from the region for fulfiling assignment, the engineering of upper strata construction is proceeded by pour datum layer second day, and, the construction method is characterised by, in the concrete mixing early strength agent, the intensity that must be completed in required time is made rapidly to develop in the early stage, and shorten the job factor between each engineering needed for construction and required time to greatest extent, so as to, the construction time limit of each floor is greatly shortened.The core of the construction method is the outmoded notion of the constructions work operational mode for having broken conventional, is the most preferred project management system used for formwork.According to the present invention, the building time of each floor conventional was shorten to from 5~10 days 2 days, so as to, work productivity is greatly improved, and is shortened by the duration, reduce indirect expense and financial expense etc. epoch-makingly, further, the cause of builder can be greatly improved.
Description
Technical field
The present invention relates to the construction method of steel reinforced concrete structure building.It is related to one kind in more detail significantly to shorten
The construction method in reinforced concrete construction time limit.
Background technology
If the building of design of reinforced concrete structure to be built, being marked, mounting post reinforcing bar and template, assembling
Pillar and upper strata slab form, reinforcing bar after installing, casting concrete, and through one till developing into the intensity of structure
Maintenance between periodically, and complete each layer of construction.Concrete construction is integration engineering, furthermore, it is desirable to certain concrete is supported
During shield, therefore, each layer of construction time is longer, generally requires 7~10 days.The completion period of building is that builder is concerned about
Major issue.The completion period of building shortens, you can in advance using the period of building, also can be reclaimed for building quickly
The investment cost of equipment, therefore, is badly in need of the scheme that can shorten the construction time limit.
In order to solve above-mentioned requirements, technical staff has attempted division operating area, composition operation group, has extended activity duration etc.
Various schemes, but each layer that completes substantially needs 7~10 days, also, the limit of generally in the industry cycle universal each layer average duration
Phase is 5 days.
Content of the invention
The problem to be solved in the present invention
The present invention is to solve various problems present in conventional concrete construction.
First, it is an object of the invention to a kind of exploitation each layer of construction time by reinforced concrete structure limit short
For the method for average two days.
Second, it is an object of the invention to a kind of exploitation construction time limit for significantly shortening each layer, thus, it is possible to effectively
With manpower and the method for equipment.
3rd, it is an object of the invention to a kind of exploitation construction time limit for significantly shortening each layer, so as to shorten overall applying
Duration limits so that builder can quickly using the method for building.
Solution to problem
In order to solve the above problems, datum layer ground is divided into multiple operating areas by the present invention, from the beginning of a side region
It is marked on concrete floor ground, mounting post reinforcing bar, column template is installed, wall form, mounting column is installed, is installed and is used for
After building the slab form and reinforcing bar on upper strata ground, start casting concrete from the region for fulfiling assignment, then, enter next
The engineering on upper strata, the concrete compare the concrete of design basis intensity more than 25% intensity of raising using having so that just
Phase intensity is fast-developing, and shortens job factor and required hour between each engineering needed for construction to greatest extent, so as to
Each layer of construction time limit can significantly be shortened.
Also, in order to more improve effect, ground design is into flat floor (Flat Plate Slab) structure.Also, it is above-mentioned
Pillar uses assembly type, when the early strength of concrete is more than 0.5Mpa, starts the mark operation on upper strata ground.Also, it is mixed
When solidifying soil intensity is more than 14Mpa or develops into more than the 2/3 of design basis intensity, slab form is released, so as to shorten construction
The time of one floor.
Specific embodiment
The following detailed description of the present invention.
In concrete frame construction, installation form, reinforcing bar arrangement, casting concrete, maintenance, solution removing template etc. are a series of
Engineering.In order to ensure reduction of erection time while certain quality, considered first is the substantial amounts of manpower of input.But, even if input is again
Big manpower, concrete construction have the absolute duration, it is therefore possible to shorten duration be limited.That is, in order to ensure the product of concrete
Matter, will observe concrete curing time limit, template retention period etc..Before above-mentioned condition is met, it is impossible to carry out next operation.
Datum layer (N layers) ground is divided into 5 operating areas, and the side region from the region for dividing starts in coagulation
Tulou plate ground is marked, mounting post reinforcing bar, install column template, install wall form, mounting column, install for construction
The slab form and reinforcing bar on layer ground, then starts casting concrete from the region for fulfiling assignment, and starts to which from datum layer
Constructed on upper strata (N+1 layers).
Datum layer ground is divided into 5 regions generally, but is not limited to 5.If ground is larger can be also divided into 5
More than individual.General 5 regions are suitable.
Template releases period to the generation impact of whole duration.Template retention time is according to temperature (10~20 DEG C) coagulation soil species
Class, will generally retain 7 days.If on the basis of compressive strength, reach design basis intensity 2/3 when, you can solution removing template.
If wanting Rapid reversal template, concrete early strength to be caused fast-developing.Therefore, early strong in concrete mixing
Agent so that early strength is fast-developing, so as to shorten in the time needed for each engineering.
In order to concrete early strength fast-developing, using early strength agent, but, it is possible to use with comparing Concrete Design base
The concrete of the higher intensity of quasi- intensity achieves the goal.That is, higher using concrete match ratio intensity, early strength development is faster
Phenomenon.Even if the design basis intensity of concrete is 27MPa in practice, concrete strength has been used for 35MPa, and caused the initial stage
Intensity develops more quickly.
In actual example, through 5~7 hours after casting concrete, when concrete strength reaches 0.3~0.6MPa, open
Beginning to be marked operation on the ground of upper strata, through 11~14 hours after casting concrete, the concrete strength reaches 4.6~
During 6.6MPa, the operations such as mounting material are proceeded by the ground of upper strata, through 24 hours after casting concrete, the concrete
Intensity reach more than 14MPa or design basis intensity more than 2/3rds when, release the slab form of datum layer.
Above-mentioned example is arranged below with chart.
【Table 1】
In order to shorten the activity duration, pillar or mould material can use assembly type material, to shorten the field operation time.
The job content when datum layer operation of the present invention to be divided into 5 operating areas is described by step below.
(1) step:First day 8 points, the mould material that the lower floor's (N-1 layers) from datum layer (N layers) releases is installed on N
Layer ground, and start to assemble the post reinforcing bar of N layers and the large-scale template of outer wall body of wall is installed.
(2) step:First day 10 points~12 points, complete the post reinforcing bar and model sheetinstallat of N layers, and layer (N+1 thereon
Layer) 1 region installation slab form.
(3) step:First day 13 points~15 points, slab form is installed in 2~3 regions of N+1 layers, and in 1 region building
Reinforcing bar installed by plate, starts the wall form for installing N layers.
(4) step:First day 15 points~18 points, 4 region slab form of N+1 layers is installed, 2 region floor bars is installed,
Complete the installation of N layer wall forms.
(5) step:Second day 08 point~10 points, 5 region slab form of N+1 layers is installed, 3 region floor bars is installed,
And the 1 region concrete for starting to pour N+1 layers.
(6) step:Second day 10 points~12 points, 4 region floor bar of N+1 layers is installed, and pours 2 regions of N+1 layers
Concrete.
(7) step:Second day 12 points~15 points, 5 region floor bar of N+1 layers is installed, 3 regions for pouring N+1 layers are mixed
Solidifying soil, after the hardening state on the floorslab concrete ground that the confirmation morning pours reaches the degree not left footprints, proceeds by N
+ 1 layer of land mark operation.
(8) step:Second day 15 points~18 points, in 4 region of N+1 layers and 5 region casting concretes, and complete per two days
Rise the cycle (Cycle) of the construction of concrete structure body method of a floor, and in morning 08 next day:It is conserved till 00
Afterwards, the operation of N+2 layers starts to repeat to construct from (1) the step operation.
If the structure strength of the horizontality displacement of floor and building will be guaranteed in the construction method, it is to be ensured that coagulation
Soil maintenance number of days.It is thus preferable to, the layer of bottom 7 in addition to the superiors is propped up using pillar by the construction method in floor bottom
Support.
That is, the pillar of slab form is supported, when N+8 layer ground concretes are poured, from N+7 layers to N+4 layer mounting columns
Quantity required 100% is supported, and 50% of quantity required or so is then maintained from N+3 layers to N layers.Certainly, template now also will be
The concrete strength on the datum layer ground is released when reaching 4.6~6.6MPa, and the land mark on work layer upper strata will be on upper strata
Ground concrete intensity be 0.3~0.6MPa when carry out.
Compare according to carrying out process when carrying out process and constructing according to conventional construction method during present invention construction below.
【Table 2】
When constructing as described above, during can build conventional construction method, each layer of time for needing 5~7 days shorten to two days.
In order to improve the effect of the present invention, additional consideration some item.
First, by ground design be flat floor (Flat Plate Slab) structure when, mounting post or wall form can be shortened
Time, thus, it is possible to more time-consuming.
Second, in order to shorten the time for installing wall form, load bearing wall length ratio is reduced during design and is advisable.
In addition, although be not technology essential factor, in order that operating personnel understands overall operation engineering, and and other
Engineer operation person is consistent step, it is necessary to give training in advance.Also, the field operation such as supervisor administrative staff will guarantee
Understand full the invention, to tackle qualitative control and safety management.
When carrying out operation as described above, whole durations of reinforced concrete works will shorten 50~60%.Thus, it is possible to big
Width saves the operating expenses indirectly such as administration fee of field overhead and our company, and greatly improves on-site personnel (formwork
Work, bar bender, concreter etc.) productivity.Also, builder (corporate boss) can rapidly join building, to launch to receive
Beneficial cause.
Hereinafter protection scope of the present invention is illustrated in detail in the claims.The claim of the present invention such as simple replacement
The some or all of inscape of invention or design for change, should be interpreted a belonging to protection scope of the present invention.
Industrial utilizability
Each layer in reinforced concrete structure of the construction time of the invention is limited to be as short as average two days, thus, it is possible to have
Effect ground is with manpower and equipment.Also, the engineering time of a floor is greatly shortened, thus, the integral construction time limit is shortened,
Enable builder quickly using building.
Claims (10)
1. a kind of construction of concrete structure body method for rising a floor per two days, datum layer (N layers) ground is divided into many
Individual operating area, starts to be marked on concrete floor ground from a side region of the operating area being divided, mounting post
Reinforcing bar, install column template, install wall form, mounting column, install for build upper strata ground slab form and reinforcing bar it
Afterwards, start casting concrete from the region for fulfiling assignment, from the engineering that datum layer starts to rise to upper strata, it is characterised in that
Mix early strength agent in the concrete, so that early strength is fast-developing, the mark on upper strata ground is completed in 24 hours
The slab form of note and material installation exercise and datum layer releases operation,
Pour after the concrete through 5~7 hours so that when concrete strength reaches 0.3~0.6MPa, open on upper strata ground
Begin to be marked operation,
Pour after the concrete through 11~14 hours so that when the concrete strength reaches 4.6~6.6MPa, on upper strata
Ground proceeds by mounting material operation,
Pour after the concrete through 24 hours, so that the intensity of the concrete reaches more than 14MPa or design basis is strong
Degree more than 2/3rds when, start release datum layer slab form.
2. according to claim 1 per two days rise a floor a kind of construction of concrete structure body method,
The concrete strength is using identical with design basis intensity or more than which intensity.
3. according to claim 2 per two days rise a floor a kind of construction of concrete structure body method,
When the design basis intensity is 27MPa, the applicable concrete strength is 35MPa.
4. according to claim 1 per two days rise a floor a kind of construction of concrete structure body method,
The pillar or the template use assembly type material.
5. a kind of per two days rise a floor a kind of construction of concrete structure body method, it is characterised in that
The plane of building is divided into continuous 5 regions, also, is constructed as follows:
(1) step:In first day 8 points of mould material for releasing the lower floor's (N-1 layers) from datum layer (N layers) installed in N layers ground
Face, and post reinforcing bar and the large-scale template of outer wall body of wall for starting to assemble N layers,
(2) step:In first day 10 points~12 points post reinforcing bar and model sheetinstallat for completing N layers, and floor (N+1 floor) 1st area thereon
Slab form is installed in domain,
(3) step:Slab form is installed in first day 13 points~15 points 2~3 region in N+1 layers, steel is installed in 1 region floor
Muscle, and the wall form for starting to install N layers,
(4) step:In first day 15 points~18 points 4 region slab form of installation N+1 layers, and 2 region floor bars are installed, complete
N layer wall forms are installed,
(5) step:In second day 08 point~10 points 5 region slab form of installation N+1 layers, and 3 region floor bars are installed, pour
1 region concrete,
(6) step:In second day 10 points~12 points 4 region floor bar of installation N+1 layers, 2 region concrete are poured,
(7) step:Second day 12 points~15 points 5 region floor bar of N+1 layers are installed, pour 3 region concrete, and start into
Row N+1 layer land mark operations,
(8) step:Second day 15 points~18 points in 4 region of N+1 layers and 5 region casting concretes,
Also, (1) step operation described in repeating in N+2 layers.
6. according to claim 5 per two days rise a floor a kind of construction of concrete structure body method, its feature
It is,
The pillar of slab form is supported, when N+8 layer ground concretes are poured, from N+7 layers to N+4 layer installation requirements quantity
100%, the 50% of quantity required is maintained from N+3 layers to N layers.
7. according to claim 5 per two days rise a floor a kind of construction of concrete structure body method, its feature
It is,
Lower floor's (N-1 layers) template of (1) step release be concrete strength on the datum layer ground be 4.6~
Release during 6.6Mpa.
8. according to claim 7 per two days rise a floor a kind of construction of concrete structure body method, its feature
It is,
Release when the concrete strength on the datum layer ground is 5MPa.
9. according to claim 5 per two days rise a floor a kind of construction of concrete structure body method, its feature
It is,
In (7) step, the mark of N+1 layers is carried out when N+1 layer ground concretes intensity is 0.3~0.6Mpa.
10. according to claim 9 per two days rise a floor a kind of construction of concrete structure body method, its feature
It is,
The N+1 layers ground concrete intensity is marked when being 0.5MPa.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20130034569A KR101324161B1 (en) | 2013-03-29 | 2013-03-29 | 2-day-cycle concrete structure construction method |
KR10-2013-0034569 | 2013-03-29 | ||
PCT/KR2014/002635 WO2014157971A1 (en) | 2013-03-29 | 2014-03-28 | Method for constructing concrete structure of which one floor is built every two days |
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CN104736779A CN104736779A (en) | 2015-06-24 |
CN104736779B true CN104736779B (en) | 2017-03-15 |
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CN201480002736.0A Active CN104736779B (en) | 2013-03-29 | 2014-03-28 | Rose the construction of concrete structure body method of a floor per two days |
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KR (1) | KR101324161B1 (en) |
CN (1) | CN104736779B (en) |
WO (1) | WO2014157971A1 (en) |
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CN105839784B (en) * | 2016-03-17 | 2018-03-16 | 杨春 | Assembled jacking type construction techniques |
CN112459328A (en) * | 2020-10-13 | 2021-03-09 | 北京首钢建设集团有限公司 | Construction method for large-area floor slab by adopting segmented line production |
CN114396158A (en) * | 2021-12-24 | 2022-04-26 | 北京市第三建筑工程有限公司 | Rapid graded formwork dismantling system and construction method |
CN114934588A (en) * | 2022-05-23 | 2022-08-23 | 厦门二十五度西建筑装饰工程有限公司 | Efficient alternate flow construction method for building construction |
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CN101608454A (en) * | 2009-05-21 | 2009-12-23 | 朱奎 | A kind of cavity shallow foundation and job practices |
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JPH06135750A (en) * | 1992-08-05 | 1994-05-17 | Mitsubishi Materials Corp | Admixture for concrete, concrete product using the same and production of concrete product |
JP2001107565A (en) * | 1999-10-06 | 2001-04-17 | Kubota Kensetsu Kk | Building construction method |
KR20030009673A (en) * | 2001-07-23 | 2003-02-05 | 소도건설 주식회사 | construction method of collective high building by segmental process |
KR100614794B1 (en) * | 2004-12-21 | 2006-08-22 | 박무용 | Construction method using skip-floor |
JP4611163B2 (en) * | 2005-09-29 | 2011-01-12 | 株式会社奥村組 | How to build a multi-story building |
KR100875240B1 (en) * | 2007-09-19 | 2008-12-19 | 한국도로공사 | High performance concrete composition for constructing bridge slab integrated with pavement and bridge slab construction method using the same |
KR101162971B1 (en) * | 2010-12-03 | 2012-07-09 | 삼성물산 주식회사 | Concrete Construction Method For Slab And Core Wall Construction The Same Time Using Temporary Columns |
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2013
- 2013-03-29 KR KR20130034569A patent/KR101324161B1/en active IP Right Grant
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2014
- 2014-03-28 WO PCT/KR2014/002635 patent/WO2014157971A1/en active Application Filing
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CN101608454A (en) * | 2009-05-21 | 2009-12-23 | 朱奎 | A kind of cavity shallow foundation and job practices |
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CN104736779A (en) | 2015-06-24 |
WO2014157971A1 (en) | 2014-10-02 |
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