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 PDF

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Publication number
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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concrete
floor
layers
construction
region
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CN104736779A (en
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金奉基
李炳日
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(strain) S Korea And Usa Turn Round And Look At Happy Rich Building Thing Office
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(strain) S Korea And Usa Turn Round And Look At Happy Rich Building Thing Office
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/16Structures 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
    • E04B1/161Structures 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/35Extraordinary methods of construction, e.g. lift-slab, jack-block
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/60Flooring materials
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/16Structures 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
    • E04B1/165Structures 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

Rose the construction of concrete structure body method of a floor per two days
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.
CN201480002736.0A 2013-03-29 2014-03-28 Rose the construction of concrete structure body method of a floor per two days Active CN104736779B (en)

Applications Claiming Priority (3)

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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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CN104736779B true CN104736779B (en) 2017-03-15

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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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