CN111663695A - Assembly type template-free box-type floor system and construction process thereof - Google Patents

Assembly type template-free box-type floor system and construction process thereof Download PDF

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Publication number
CN111663695A
CN111663695A CN202010612309.1A CN202010612309A CN111663695A CN 111663695 A CN111663695 A CN 111663695A CN 202010612309 A CN202010612309 A CN 202010612309A CN 111663695 A CN111663695 A CN 111663695A
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CN
China
Prior art keywords
prefabricated
concrete
rib beam
reinforced concrete
cast
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Pending
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CN202010612309.1A
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Chinese (zh)
Inventor
陈现通
陈帅卫
宋恒春
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Jiangsu Zhixinda Building Technology Co ltd
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Jiangsu Zhixinda Building Technology Co ltd
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Priority to CN202010612309.1A priority Critical patent/CN111663695A/en
Publication of CN111663695A publication Critical patent/CN111663695A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17Floor structures partly formed in situ
    • E04B5/18Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members
    • E04B5/21Cross-ribbed floors

Abstract

The invention belongs to the technical field of building application, and particularly discloses an assembled template-free box-type floor system and a construction process thereof. The invention has the beneficial effects that: the high-strength integral bottom plate formed by combining the prefabricated reinforced concrete bottom plate and the prefabricated rib beam bottom supporting plate is fully utilized as a template, a large-area special floor system template does not need to be laid, the template immunity rate reaches more than 85 percent, the purposes of reducing self weight and saving reinforced concrete are achieved, and the template cost is further saved; the box-type floor system has high bearing capacity, light dead weight, firm combination of the prefabricated components and the cast-in-situ concrete rib beam, good integrity and better stress performance than the cast-in-situ reinforced concrete ribbed floor system; the construction application can save a large amount of reinforcing steel bars, concrete and templates, the on-site concrete pouring amount is small, the construction speed is high, and the cost is saved obviously.

Description

Assembly type template-free box-type floor system and construction process thereof
Technical Field
The invention belongs to the technical field of building application, and particularly relates to an assembled template-free box-type floor system and a construction process thereof.
Background
In the building industry, for construction convenience and cost saving, bamboo wood or aluminum-plastic building templates are widely used for building ribbed floors or hollow floors at present, the templates generally have the problems of limited turnover times, low recycling value and the like, particularly, the turnover times of the bamboo wood templates and the aluminum-plastic templates are generally not more than 10 times, so that a large amount of resource consumption and waste are caused, secondary pollution is easily caused in the recycling process, and the influence on the environment is large.
At present, the country calls for green low-carbon development of the building construction industry and popularizes the assembly type building, wherein two important indexes are the factory prefabrication rate of building components and the template-free rate of site operation.
Therefore, based on the problems, the invention provides an assembled template-free box type floor system and a construction process thereof.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an assembly type template-free box-type floor system and a construction process thereof, the technical design is reasonable, the assembly type box-type floor system is manufactured by fully utilizing high-strength reinforced concrete members prefabricated in factories, the prefabricated bottom plates are combined and assembled to form an integral bottom plate to replace a traditional special template and are directly erected on a formwork frame, the integral bottom plate serves as a stressed member and replaces the function of the traditional template, the large-area laying of the template is not needed, the template elimination rate reaches more than 85%, the purposes of reducing self weight and saving reinforced concrete are achieved, and the template cost is further saved.
The technical scheme is as follows: the invention provides an assembled template-free box-type floor system, which comprises a plurality of die frames, prefabricated rib beam bottom supporting plates respectively arranged on the die frames, reinforced concrete prefabricated bottom plates respectively arranged between the die frames and the prefabricated rib beam bottom supporting plates, cast-in-place concrete rib beams respectively arranged on the prefabricated rib beam bottom supporting plates and positioned between adjacent reinforced concrete prefabricated bottom plates, a plurality of groups of prefabricated concrete side wall plates respectively arranged on the outer walls of two sides of the cast-in-place concrete rib beams, and reinforced concrete prefabricated top plates respectively arranged on the upper side walls of the adjacent cast-in-place concrete rib beams and matched with the plurality of groups of prefabricated concrete side wall plates for use, wherein a plurality of bottom plate reinforcing steel bars and a plurality of reinforcing steel bar top plates are respectively arranged in the reinforced concrete prefabricated bottom plates and the reinforced concrete prefabricated top plates, And a plurality of roof steel bars are respectively inserted into the bottom stirrup position of the cast-in-place concrete rib beam and anchored into the top stirrup position of the cast-in-place concrete rib beam.
According to the technical scheme, the assembled template-free box-type floor further comprises a rib beam main rib and a stirrup which are arranged on the cast-in-place concrete rib beam and are respectively matched with a plurality of groups of precast concrete side wall plates and rib beam bottom supporting plates for use.
The invention provides a construction process of an assembled template-free box type floor system, which comprises the following steps of 1, erecting a plurality of mould frames; step 2, placing a reinforced concrete prefabricated bottom plate; step 3, placing a rib beam bottom prefabricated support plate and forming an integral bottom plate with the prefabricated bottom plate to serve as a template; step 4, binding rib beam steel bars; step 5, placing a plurality of groups of precast concrete side wall plates; step 6, placing a reinforced concrete prefabricated top plate;
step 7, pouring rib beam concrete; step 8, rib beam concrete maintenance; and 9, removing the template to form the assembled box-type floor system.
In the technical scheme, in the step 1, the step 2 and the step 3, a mould frame is designed according to a drawing, then a prefabricated rib beam bottom supporting plate is positioned and placed according to the design position of the drawing, and finally a reinforced concrete prefabricated bottom plate is placed, adjusted and tightly squeezed to form a flat and firm whole which is used as a bottom template; in the step 4 and the step 5, the bottom plate steel bars of the reinforced concrete prefabricated bottom plate are inserted into the bottom stirrup position of the cast-in-place concrete rib beam, the rib beam main reinforcements and the stirrups are bound at the cast-in-place concrete rib beam position, and the prefabricated concrete side wall plate is placed; in the step 6, the step 7 and the step 8, the reinforced concrete prefabricated roof plate is placed, and the roof steel bars of the reinforced concrete prefabricated roof plate are anchored into the top stirrup position of the cast-in-place concrete rib beam, so that rib beam steel bar cages are formed by the rib beam steel bars, the prefabricated roof plate and the prefabricated bottom plate, and rib beam concrete is poured and maintained; and 9, curing the cast-in-place reinforced concrete rib beam, removing the die set after the design strength is reached, and forming the prefabricated assembly type box floor system formed by the cast-in-place reinforced concrete rib beam, the prefabricated reinforced concrete top plate, the prefabricated reinforced concrete bottom plate, the prefabricated concrete side wall plate and the rib beam prefabricated concrete bottom supporting plate.
Compared with the prior art, the assembled template-free box-type floor system and the construction process thereof have the beneficial effects that: 1. the prefabricated box type floor is manufactured by utilizing high-strength reinforced concrete members prefabricated in factories, the prefabricated members are directly placed on the formwork and play a role of a template in the construction process, and concrete is poured to form a uniform structural whole through maintenance to be used as a part of a stressed member to participate in integral stress; 2. the application of the technology to manufacture the box-type floor does not need to lay a template in a large area, the template elimination rate reaches more than 85 percent, the aim of reducing the dead weight and saving the reinforced concrete is achieved, and the template cost is further saved; 3. the box-type floor system has high bearing capacity, light dead weight, firm combination of the prefabricated components and the cast-in-situ concrete rib beam, good integrity and better stress performance than the full cast-in-situ reinforced concrete ribbed floor system; 4. the construction application can save a large amount of reinforcing steel bars, concrete and templates, the on-site concrete pouring amount is small, the construction speed is high, and the cost is saved obviously.
Drawings
FIG. 1 is a schematic top view of a modular box-type floor system of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged partial schematic view of FIG. 2 at C;
FIG. 4 is a schematic perspective view of an assembled template-free box floor of the present invention;
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
As shown in figures 1, 3 and 4, the assembled formwork-free box-type floor comprises a plurality of formwork frames 5, prefabricated rib beam bottom supporting plates 3 respectively arranged on the formwork frames 5, reinforced concrete prefabricated bottom plates 4 respectively arranged between the formwork frames 5 and the prefabricated rib beam bottom supporting plates 3, cast-in-place concrete rib beams 1 respectively arranged on the prefabricated rib beam bottom supporting plates 3 and positioned between the adjacent reinforced concrete prefabricated bottom plates 4, a plurality of groups of prefabricated concrete side wall plates 6 respectively arranged on the outer walls at two sides of the cast-in-place concrete rib beams 1, and reinforced concrete prefabricated top plates 2 respectively arranged on the side walls at the upper parts of the adjacent cast-in-place concrete rib beams 1 and matched with the plurality of groups of prefabricated concrete side wall plates 6 for use, wherein a plurality of reinforced steel bottom plates 8 are respectively arranged in the reinforced concrete prefabricated bottom plates 4 and the reinforced concrete prefabricated top plates 2, A plurality of roof reinforcing bars 7, a plurality of bottom plate reinforcing bars 8, a plurality of roof reinforcing bars 7 insert the bottom stirrup position of cast in situ concrete rib 1, anchor the top stirrup position of cast in situ concrete rib 1 respectively.
Further preferably, the assembled template-free box-type floor further comprises a rib beam main rib 9 and a stirrup 10 which are arranged on the cast-in-place concrete rib beam 1 and are respectively matched with the plurality of groups of precast concrete side wall plates 6 and the rib beam bottom supporting plate 3 for use.
The construction method of the assembled template-free box-type floor system of the structure comprises the steps of firstly designing a formwork 5 according to a drawing, positioning and placing a prefabricated rib beam bottom supporting plate 3 according to the design position of the drawing, then placing a reinforced concrete prefabricated bottom plate 4, adjusting and tightly squeezing to form a flat and firm whole body to be used as a bottom formwork, inserting a bottom plate steel bar 8 of the reinforced concrete prefabricated bottom plate 4 into the position of a bottom stirrup of a cast-in-place concrete rib beam 1, binding a rib beam main bar 9 and a stirrup 10 at the position of the cast-in-place concrete rib beam 1, placing a prefabricated concrete side wall plate 6, placing a reinforced concrete prefabricated top plate 2, anchoring a top plate steel bar 7 of the reinforced concrete prefabricated top plate 2 into the position of the top stirrup of the cast-in-place concrete rib beam 1, forming a cage beam steel bar by the rib beam steel bar and the prefabricated top plate and the steel bar of the prefabricated bottom plate together, pouring rib beam concrete and maintaining, and finally maintaining, and after the design strength is reached, removing the die set 5 to form the prefabricated assembly type box floor system which is formed by the cast-in-place reinforced concrete rib beam 1, the prefabricated reinforced concrete top plate 2, the prefabricated reinforced concrete bottom plate 4, the prefabricated concrete side wall plate 6 and the rib beam prefabricated concrete bottom supporting plate 3.
The assembled template box-type superstructure of exempting from of this structure, its main atress component are cast-in-place reinforced concrete rib beam 1, and reinforced concrete prefabricated bottom plate 4, reinforced concrete prefabricated roof 2 are supplementary atress component, and the dedicated precast concrete layer board in precast concrete lateral wall board 6 and cast-in-place concrete rib beam bottom is essential auxiliary member simultaneously in the work progress.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.

Claims (4)

1. The utility model provides a template boxed form superstructure is exempted from to assembled, its characterized in that: the prefabricated steel bar reinforced concrete rib beam comprises a plurality of die sets (5), prefabricated rib beam bottom supporting plates (3) which are respectively arranged on the die sets (5), reinforced concrete prefabricated bottom plates (4) which are respectively arranged among the prefabricated rib beam bottom supporting plates (3), cast-in-place concrete rib beams (1) which are respectively arranged on the prefabricated rib beam bottom supporting plates (3) and are positioned between the adjacent reinforced concrete prefabricated bottom plates (4), a plurality of groups of prefabricated concrete side wall plates (6) which are respectively arranged on the outer walls of the two sides of the cast-in-place concrete rib beams (1), and reinforced concrete prefabricated top plates (2) which are respectively arranged on the upper side walls of the adjacent cast-in-place concrete rib beams (1) and are matched with the plurality of groups of prefabricated concrete side wall plates (6) for use, wherein a plurality of steel bar bottom plates (8) are respectively arranged in the reinforced concrete prefabricated bottom plates (4) and the reinforced concrete prefabricated top plates (2), A plurality of roof reinforcing bars (7), a plurality of bottom plate reinforcing bars (8), a plurality of roof reinforcing bars (7) insert the bottom stirrup position of cast in situ concrete rib beam (1), anchor the top stirrup position of cast in situ concrete rib beam (1) respectively.
2. The assembled template-free box-type floor system of claim 1, wherein: the assembled formwork-free box-type floor further comprises a rib beam main rib (9) and a stirrup (10) which are arranged on the cast-in-place concrete rib beam (1) and are respectively matched with a plurality of groups of precast concrete side wall plates (6) for use.
3. The construction process of the assembled template-free box-type floor system according to claim 2, wherein the construction process comprises the following steps: comprises the following steps of (a) carrying out,
step 1, building a plurality of die carriers;
step 2, placing a reinforced concrete prefabricated bottom plate;
step 3, placing a rib beam bottom prefabricated support plate and forming an integral bottom plate with the prefabricated bottom plate to serve as a template;
step 4, binding rib beam steel bars;
step 5, placing a plurality of groups of precast concrete side wall plates;
step 6, placing a reinforced concrete prefabricated top plate;
step 7, pouring rib beam concrete;
step 8, rib beam concrete maintenance;
and 9, removing the template to form the assembled box-type floor system.
4. The construction process of the assembled template-free box-type floor system according to claim 4, wherein the construction process comprises the following steps: in the step 1, the step 2 and the step 3, a mould frame (5) is designed according to a drawing, then a prefabricated rib beam bottom supporting plate (3) is positioned and placed according to the design position of the drawing, and finally a reinforced concrete prefabricated bottom plate (4) is placed, adjusted and tightly squeezed to form a flat and firm whole which is used as a bottom template; in the step 4 and the step 5, a bottom plate steel bar (8) of the reinforced concrete prefabricated bottom plate (4) is inserted into the position of a bottom stirrup of the cast-in-place concrete rib beam (1), a rib beam main rib (9) and a stirrup (10) are bound at the position of the cast-in-place concrete rib beam (1), and a prefabricated concrete side wall plate (6) is placed; in the step 6, the step 7 and the step 8, the reinforced concrete prefabricated roof plate (2) is placed, roof steel bars (7) of the reinforced concrete prefabricated roof plate (2) are anchored into the top hoop reinforcement position of the cast-in-place concrete rib beam (1), so that rib beam steel bar cages are formed by rib beam steel bars, prefabricated roof plates and prefabricated bottom plates, rib beam concrete is poured and maintained; in the step 9, the cast-in-place reinforced concrete rib beam (1) is maintained, the formwork (5) is removed after the design strength is reached, and a prefabricated assembly type box floor system jointly formed by the cast-in-place reinforced concrete rib beam (1), the prefabricated reinforced concrete top plate (2), the prefabricated reinforced concrete bottom plate (4), the prefabricated concrete side wall plate (6) and the rib beam prefabricated concrete bottom supporting plate (3) is formed.
CN202010612309.1A 2020-06-30 2020-06-30 Assembly type template-free box-type floor system and construction process thereof Pending CN111663695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010612309.1A CN111663695A (en) 2020-06-30 2020-06-30 Assembly type template-free box-type floor system and construction process thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010612309.1A CN111663695A (en) 2020-06-30 2020-06-30 Assembly type template-free box-type floor system and construction process thereof

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Publication Number Publication Date
CN111663695A true CN111663695A (en) 2020-09-15

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113931365A (en) * 2021-10-19 2022-01-14 北京中建建筑设计院有限公司 Post-cast strip-free floor system structure and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113931365A (en) * 2021-10-19 2022-01-14 北京中建建筑设计院有限公司 Post-cast strip-free floor system structure and construction method

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