CN111379366A - Hollow floor construction method adopting gypsum mold box and hollow floor structure - Google Patents
Hollow floor construction method adopting gypsum mold box and hollow floor structure Download PDFInfo
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- CN111379366A CN111379366A CN202010196644.8A CN202010196644A CN111379366A CN 111379366 A CN111379366 A CN 111379366A CN 202010196644 A CN202010196644 A CN 202010196644A CN 111379366 A CN111379366 A CN 111379366A
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- mold box
- gypsum mold
- gypsum
- concrete
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
Abstract
The invention provides a construction method of a hollow floor system by adopting a gypsum mold box, and relates to the technical field of buildings. The method comprises the following steps: s1, construction preparation, namely determining the specification and the number of the gypsum mold boxes and the reserved embedded condition; s2, setting a bracket and paving a template on the bracket; s3, marking out a rib beam position line, a gypsum mould box control line, a steel bar distribution line and a pre-buried reserved position line of the hydroelectric installation pipeline on the template; s4, binding rib beam steel bars according to rib beam position lines, and binding bottom plate steel bars according to steel bar distribution lines; s5, arranging a plurality of cushion blocks at each gypsum mold box control line on the bottom plate steel bar, and arranging the gypsum mold boxes on the cushion blocks; s6, anti-floating treatment is carried out on the plaster mold box; s7, binding the upper-layer steel bars of the floor and the negative bars of the plate end supports; s8, pouring concrete and vibrating; and S9, removing the formwork after the concrete is shaped. The construction method of the hollow floor system adopting the gypsum mold box can lower the cost.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a hollow floor construction method adopting a gypsum mold box and a hollow floor structure.
Background
At present, many constructions are mainly constructed in a cast-in-place mode, wherein the cast-in-place mode is to assemble a formwork on site and then pour concrete.
However, the conventional cast-in-place floor system needs more concrete, so the construction cost is higher.
Disclosure of Invention
The invention aims to provide a hollow floor construction method and a hollow floor structure adopting a gypsum mold box, which can reduce the construction cost.
The embodiment of the invention is realized by the following steps: a construction method of a hollow floor system adopting a gypsum mold box comprises the following steps:
s1, construction preparation, namely determining the specification and the number of the gypsum mold boxes and the reserved embedded condition;
s2, setting a bracket and paving a template on the bracket;
s3, marking out a rib beam position line, a gypsum mould box control line, a steel bar distribution line and a pre-buried reserved position line of the hydroelectric installation pipeline on the template;
s4, binding rib beam steel bars according to rib beam position lines, and binding bottom plate steel bars according to steel bar distribution lines;
s5, arranging a plurality of cushion blocks at each gypsum mold box control line on the bottom plate steel bar, and arranging the gypsum mold boxes on the cushion blocks;
s6, anti-floating treatment is carried out on the plaster mold box;
s7, binding the upper-layer steel bars of the floor and the negative bars of the plate end supports;
s8, pouring concrete and vibrating;
and S9, removing the formwork after the concrete is shaped.
In a preferred embodiment of the present invention, if the span of the formwork in S2 is greater than or equal to 4m, the formwork is arched, and the arched height is 2/1000-3/1000 of the span.
In a preferred embodiment of the present invention, the distance between the gypsum mold box and the rib reinforcing steel bar in S5 is 15 to 25 mm.
In a preferred embodiment of the present invention, a shelf plate is provided above the rib bars and the gypsum mold box during the processes of S4 and S5, to prevent the rib bars and the gypsum mold box from being stepped on.
In the preferred embodiment of the invention, if the plaster mold box is damaged before the reinforcing steel bars on the upper layer of the floor are bound, the damaged plaster mold box is replaced; and if the gypsum mold box is damaged after the upper-layer reinforcing steel bars of the floor are bound, adopting a filler or an adhesive tape to seal the damaged gypsum mold box.
In a preferred embodiment of the present invention, the anti-floating process in S6 includes:
s61, selecting anti-floating points around the gypsum mold box, and drilling through the template right below the anti-floating points;
s62, arranging a fixing piece between two adjacent plaster mold boxes, wherein two ends of the fixing piece are respectively lapped on the two adjacent plaster mold boxes;
and S63, taking a connecting piece, connecting one end of the connecting piece with the middle part of the fixing piece, and connecting the other end of the connecting piece with a bracket below the template after penetrating through the hole drilled in the S61.
In a preferred embodiment of the present invention, a plurality of plaster molds of 1/2 specification are prepared in S1, and when a horizontal pipeline, a wire box and a regular specification of plaster molds cannot be avoided, the regular specification of plaster molds 1/2 is used for avoiding.
In the preferred embodiment of the present invention, if the gypsum mold box with the specification of conventional specification 1/2 cannot be evacuated, the part which cannot be evacuated is poured to be solid.
In a preferred embodiment of the present invention, when the concrete is poured, the step S8 is to pour a part of the concrete, perform a first vibration to make the concrete penetrate into the bottom of the gypsum mold box, then pour another part of the concrete, and perform a second vibration until the process is completed.
The invention also provides a hollow floor structure, which comprises gypsum mold boxes, rib beam reinforcing steel bars, floor upper layer reinforcing steel bars and floor reinforcing steel bars which are positioned on the upper side and the lower side of the rib beam reinforcing steel bars, and plate end support negative steel bars, wherein a plurality of cushion blocks are arranged between each gypsum mold box and the floor reinforcing steel bars, a fixing piece is arranged between the tops of two adjacent gypsum mold boxes, a connecting piece is arranged in the middle of the fixing piece, one end of the connecting piece is connected with the fixing piece, and the other end of the connecting piece is positioned on the outer side of the floor reinforcing steel bar, which is deviated from the floor upper layer reinforcing steel bar.
The embodiment of the invention has the beneficial effects that: a part of space needing to be cast in place by concrete is replaced by the gypsum mould box, so that the total using amount of the concrete is reduced, and the investment cost can be reduced; meanwhile, because the gypsum mould box is of a hollow structure, the self weight of the gypsum mould box is lighter, and the heat preservation, heat insulation and sound insulation effects are better.
The cast-in-place concrete floor system is regularly embedded with built-in mould gypsum mould boxes (namely gypsum mould boxes), so that the reinforced concrete floor system is internally provided with orthotropic hidden ribs. The gypsum mold box hollow floor has small self weight and large rigidity, and the tensioned steel bar is far away from the center of the section and can bear larger load than the common floor. Meanwhile, the gypsum mold box is a full-built-in mold, can effectively restrain the deformation and deflection of cast-in-place concrete, and has the advantages of light weight and high strength. The building block is mainly used for various industrial and civil buildings, such as shopping malls with large span and large rooms, office buildings, teaching buildings, high-rise buildings, garages, large conference rooms, underground civil air defense projects and multi-layer industrial factory buildings, and is particularly suitable for floor systems which need to bear heavy loads.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a first structural schematic view of a hollow floor structure according to an embodiment of the present invention;
fig. 2 is a structural schematic diagram ii of a hollow floor structure according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram three of a hollow floor structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a hollow floor structure according to an embodiment of the present invention.
Icon: a. a gypsum mould box; b. a fixing member; c. a connecting member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
Examples
Referring to fig. 1 to 4, the present application provides a method for constructing a hollow floor using a gypsum mold box, including the steps of:
s1, construction preparation, namely determining the specification and the number of the gypsum mold boxes and the reserved embedded condition;
s2, setting a bracket and paving a template on the bracket;
s3, marking out a rib beam position line, a gypsum mould box control line, a steel bar distribution line and a pre-buried reserved position line of the hydroelectric installation pipeline on the template;
s4, binding rib beam steel bars according to rib beam position lines, binding bottom plate steel bars according to steel bar distribution lines, binding short span steel bars, and binding long span steel bars;
s5, arranging a plurality of spacers (for protecting the reinforcing steel bars) at each gypsum mold box control line on the reinforcing steel bars of the bottom plate, and arranging the gypsum mold boxes on the spacers, wherein four rectangular spacers are preferred in this embodiment, and other numbers and shapes can be selected according to actual situations;
s6, anti-floating treatment is carried out on the plaster mold box;
s7, binding the upper-layer steel bars of the floor and the negative bars of the plate end supports;
s8, pouring concrete and vibrating;
and S9, removing the formwork after the concrete is shaped.
If the span of the formwork in S2 is not less than 4m, the formwork is arched, and the arched height is 2/1000-3/1000 of the span, preferably 2/1000 in this embodiment. If the span of the template is more than or equal to 4m, the formed floor has a certain dead weight, and the distance between the gravity center position of the floor and the bearing position is more than or equal to 2m, so that the dead weight has a certain potential safety hazard for the structure of the floor; when the template is arranged to be arched, the floor system is also in an upward arched shape, so that the self weight of the floor system can be better conducted through the arched structure, and the floor system can be prevented from being broken or damaged. In practice, when the arch height is set to be 2/1000-3/1000 of the span, the floor system can be better cracked or damaged, the arched structure enables the floor system to have good bearing capacity, and meanwhile, the arch brought by actual use can be almost ignored, namely, the actual use is not influenced.
The distance between the gypsum mould box and the rib beam steel bars in the S5 is 15-25 mm, and the preferred distance is 20mm in the embodiment. After the floor system is formed, the floor system bears the load by the combined action of the concrete and the reinforcing steel bars, so that the more the concrete is, the better the concrete is, but if the concrete is used in an excessive amount, the cost is increased, and the self weight is also larger, so that the concrete is required to have the optimal use amount, and the load bearing is enough while the use amount is small. And in practice, the distance between the gypsum mold box and the rib beam steel bar is 15-25 mm, the dead weight of the floor system can be reduced to a great extent, and the concrete between the rib beam steel bar and the gypsum mold box can provide enough supporting force for normal supporting.
In the processes of S4 and S5, a frame plate is provided above the rib reinforcing bars and the gypsum mold box to prevent the rib reinforcing bars and the gypsum mold box from being stepped on. I.e. the worker may stand on the shelf board during the construction, and the structure of the shelf board and how to arrange the shelf board is not the focus of the present application, it should be understood that the method by which the shelf board can be arranged and the structure of the shelf board are all within the scope of the present application.
If the gypsum mould box is damaged before the upper-layer steel bars of the floor are bound, replacing the damaged gypsum mould box; if the gypsum mould box is damaged after being bound by the reinforcing steel bars on the upper layer of the floor cover, the damaged gypsum mould box is blocked by fillers (such as newspaper or cloth) or adhesive tapes.
The anti-floating treatment in the step S6 comprises the following steps:
s61, selecting anti-floating points around the gypsum mold box, and drilling through the template right below the anti-floating points;
s62, arranging a fixing piece between two adjacent plaster mold boxes, wherein two ends of the fixing piece are respectively lapped on the two adjacent plaster mold boxes;
and S63, taking a connecting piece, connecting one end of the connecting piece with the middle part of the fixing piece, and connecting the other end of the connecting piece with a bracket below the template after penetrating through the hole drilled in the S61.
Preparing a plurality of plaster mold boxes with the specification of 1/2 in the S1, and avoiding the plaster mold boxes with the specification of 1/2 when a horizontal pipeline, a line box and the plaster mold boxes with the conventional specification cannot be avoided. If the gypsum mould box with the specification of conventional specification 1/2 cannot be avoided, the part which cannot be avoided is poured to be solid.
And S8, when the concrete is poured, firstly pouring a part of concrete, vibrating in the first step to enable the concrete to permeate into the bottom of the gypsum mold box, then pouring the other part of concrete, and vibrating in the second step until the working procedure is completed. When pouring for the first time, the using amount of the concrete enables the concrete to be higher than 3-5cm of the bottom of the gypsum mold box, the first purpose is that the concrete is fully filled between the gypsum mold box and the bottom plate reinforcing steel bars, and the second purpose is that the position deviation occurs under the action of the concrete received by the gypsum mold box is well reduced. When the concrete is vibrated for the first time, the total amount of the concrete is less at the moment, so the vibrating effect is better, the concrete is easier to flow into the space between the gypsum mold box and the bottom plate reinforcing steel bars, meanwhile, the resistance to air outflow is smaller because the total amount of the concrete is less, and the concrete can fully flow into the space between the gypsum mold box and the bottom plate reinforcing steel bars due to the comprehensive effect; and be higher than the concrete of gypsum mold box bottom 3-5cm make the concrete enough be full of in the space between gypsum mold box and the bottom plate reinforcing bar, discover in time moreover after vibrating for the first time, the concrete can also be a little higher than the bottom of gypsum mold box, consequently also can prevent that subsequent air from entering into the gypsum mold box bottom, the filling of concrete is effectual.
When carrying out the secondary and pouring, because the concrete of pouring for the first time can produce siphon effort to the bottom and the lateral part of gypsum mold box, consequently can improve the positional stability of gypsum mold box, consequently the in-process of pouring for the second time also can be better prevent that gypsum mold box from taking place the offset, pours the high quality. Usually there is an interval of 12 ~ 15min between first pouring and the second pouring, and at this interval in-process, produce between moisture in the concrete of first pouring and the gypsum mold box surface and wet and siphon phenomenon, water and the other composition of concrete on siphon gypsum mold box can improve the interact power between gypsum mold box and the concrete of first pouring when carrying out the second pouring to improve the positional stability of gypsum mould.
The invention also provides a hollow floor structure, which comprises gypsum mold boxes, rib beam reinforcing steel bars, floor upper layer reinforcing steel bars and floor reinforcing steel bars which are positioned on the upper side and the lower side of the rib beam reinforcing steel bars, and plate end support negative steel bars, wherein a plurality of cushion blocks are arranged between each gypsum mold box and the floor reinforcing steel bars, a fixing piece is arranged between the tops of two adjacent gypsum mold boxes, a connecting piece is arranged in the middle of the fixing piece, one end of the connecting piece is connected with the fixing piece, and the other end of the connecting piece is positioned on the outer side of the floor reinforcing steel bar, which is deviated from the floor upper layer reinforcing steel bar.
A part of space needing to be cast in place by concrete is replaced by the gypsum mould box, so that the total using amount of the concrete is reduced, and the investment cost can be reduced; meanwhile, the floor slab is relatively flat without convex main beams and secondary beams, so that the partition wall can be randomly arranged, the space is wider and more attractive, the floor slab is particularly suitable for public buildings with intervals needing to be changed frequently, the structural height is reduced, about every ten floors, one floor can be added, the total height is unchanged, the noise transmission is greatly reduced, the floor slab has a good sound insulation effect, the heat transmission is reduced, the heat insulation and heat preservation performance of the floor slab is remarkably improved, the material is saved, the dead weight is reduced, the floor slab is beneficial to resisting earthquake, the load and the construction cost of a vertical bearing structure and a foundation are reduced, the cost is saved, the construction is simple, the construction period is shortened, and the remarkable economic benefit is achieved.
The cast-in-place concrete floor system is regularly embedded with built-in mould gypsum mould boxes (namely gypsum mould boxes), so that the reinforced concrete floor system is internally provided with orthotropic hidden ribs. The gypsum mold box hollow floor has small self weight and large rigidity, and the tensioned steel bar is far away from the center of the section and can bear larger load than the common floor. Meanwhile, the gypsum mold box is a full-built-in mold, can effectively restrain the deformation and deflection of cast-in-place concrete, and has the advantages of light weight and high strength. The building block is mainly used for various industrial and civil buildings, such as shopping malls with large span and large rooms, office buildings, teaching buildings, high-rise buildings, garages, large conference rooms, underground civil air defense projects and multi-layer industrial factory buildings, and is particularly suitable for floor systems which need to bear heavy loads.
After anti-floating treatment, the gypsum mold box can be well prevented from being shifted to a position where the gypsum mold box is influenced by concrete in the concrete pouring process, and the formed floor can have high quality. The position stability of the gypsum mold box is realized by the restraining force and the friction force of the rib beam reinforcing steel bars, the bottom plate reinforcing steel bars and the fixing pieces. The upper and lower dislocation of rib girder reinforcing bar and bottom plate reinforcing bar restriction gypsum mold box, the front and back of mounting restriction square chest, control the dislocation, the thickness of reinforcing bar protective layer (being the cushion) makes the mortar can enter into the below of gypsum mold box.
Meanwhile, it should be understood that other shapes of plaster mold boxes can be arranged to be matched in practical use, such as 1/3-sized plaster mold boxes or 1/4-sized plaster mold boxes, and the arrangement can be carried out according to practical economic benefits.
Wherein, before non-winter concrete pouring, the template and the gypsum mould box are wetted. When concrete is poured, a specially-assigned person is required to observe, maintain and repair the box body, and when the position of the box body deviates, the box body is required to be corrected in time.
Concrete pouring should adopt the pump sending, and the pouring order should adopt "snakelike leaping to pour", and usable concrete self fixes the diaphragm capsule, avoids pouring in a large scale and shifts, and concrete slump should be controlled between 160 ~ 180 mm. The concrete is unloaded evenly, prevents strictly piling up too high and crushing the gypsum mould box.
When the concrete is vibrated, a small vibrating rod or a high-frequency vibrating piece is adopted, the action range of the small vibrating rod or the high-frequency vibrating piece is utilized, so that the concrete is extruded into the bottom of the box body, and the vibrating rod is strictly forbidden to directly vibrate the box body. And (3) firstly injecting a small amount of concrete, then directly vibrating the rib beam concrete to the bottom die by using a vibrating spear, repeatedly vibrating the rib beams on the periphery of the box body, and increasing the vibrating amount and vibrating time of the firstly injected concrete so as to ensure that the concrete permeates into the bottom of the box. If box central authorities are provided with the hole of pouring into the concrete, observe box central authorities hole, treat that the concrete flows into the hole after, preset hole to die block with vibrting spear disect insertion, ensure that the bottom of the case concrete is closely knit. And after the bottom layer is vibrated to be compact, pouring all the required concrete, and vibrating again. The vibrating rod is prevented from directly contacting the box body as much as possible, and the box body is prevented from being damaged by adopting the small vibrating rod for vibrating as much as possible. If the concrete is damaged carelessly during vibration, the damaged part is immediately filled with light filler to prevent the concrete from being poured into the box body.
After the concrete is poured, the mixed soil needs to be maintained, and particularly, felt, a straw mat or a plastic film is adopted for covering, so that the surface of the concrete is kept moist, and the watering frequency is correspondingly increased if the environment is dry and the temperature is high. Construction in winter, water spraying and maintenance are strictly forbidden, and heat preservation measures are taken to prevent the concrete from being frozen.
Now, the method of this embodiment is compared with the conventional cast-in-place method in the market, and the recorded data is as follows:
from the above data, it can be seen that the cost investment can be reduced to a great extent by the construction method of the present embodiment.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A construction method of a hollow floor system adopting a gypsum mold box is characterized by comprising the following steps:
s1, construction preparation, namely determining the specification and the number of the gypsum mold boxes and the reserved embedded condition;
s2, setting a bracket and paving a template on the bracket;
s3, marking out a rib beam position line, a gypsum mould box control line, a steel bar distribution line and a pre-buried reserved position line of the hydroelectric installation pipeline on the template;
s4, binding rib beam steel bars according to rib beam position lines, and binding bottom plate steel bars according to steel bar distribution lines;
s5, arranging a plurality of cushion blocks at each gypsum mold box control line on the bottom plate steel bar, and arranging the gypsum mold boxes on the cushion blocks;
s6, anti-floating treatment is carried out on the plaster mold box;
s7, binding the upper-layer steel bars of the floor and the negative bars of the plate end supports;
s8, pouring concrete and vibrating;
and S9, removing the formwork after the concrete is shaped.
2. The method of constructing a hollow building cover using a plaster mold box according to claim 1, wherein if the span of the form in S2 is 4m or more, the form is arched and the arched height is 2/1000 to 3/1000 of the span.
3. The method of claim 1, wherein the distance between the gypsum mold box and the rib reinforcing bars in S5 is 15-25 mm.
4. A method of constructing a hollow building cover using a gypsum mold box according to claim 1, wherein a frame plate is provided above the rib reinforcing bars and the gypsum mold box in the course of said S4 and S5 to prevent the rib reinforcing bars and the gypsum mold box from being stepped on.
5. The method of constructing a hollow building cover using a gypsum mold box according to claim 1, wherein if the gypsum mold box is damaged before the reinforcement bars of the upper floor of the building cover are bound, the damaged gypsum mold box is replaced; and if the gypsum mold box is damaged after the upper-layer reinforcing steel bars of the floor are bound, adopting a filler or an adhesive tape to seal the damaged gypsum mold box.
6. The method of claim, wherein the anti-floating process of S6 comprises:
s61, selecting anti-floating points around the gypsum mold box, and drilling through the template right below the anti-floating points;
s62, arranging a fixing piece between two adjacent plaster mold boxes, wherein two ends of the fixing piece are respectively lapped on the two adjacent plaster mold boxes;
and S63, taking a connecting piece, connecting one end of the connecting piece with the middle part of the fixing piece, and connecting the other end of the connecting piece with a bracket below the template after penetrating through the hole drilled in the S61.
7. The method of constructing a hollow building cover using a plaster mold box according to claim 1, wherein a plurality of plaster mold boxes with a specification of 1/2 are prepared in S1, and when a horizontal pipeline, a wire box and a conventional specification of the plaster mold box cannot be avoided, the plaster mold box with a specification of 1/2 is used for avoiding.
8. The method as claimed in claim 7, wherein if the gypsum mold box with the standard 1/2 cannot be evacuated, the solid part is poured.
9. The method of claim 1, wherein the step S8 is carried out by pouring a portion of the concrete, vibrating the portion of the concrete to make the concrete penetrate into the bottom of the gypsum mold box, pouring another portion of the concrete, and vibrating the other portion of the concrete until the step S is completed.
10. The utility model provides a hollow superstructure structure, its characterized in that, includes gypsum diaphragm capsule, rib beam reinforcing bar, is located the superstructure upper strata reinforcing bar and the bottom plate reinforcing bar and the board end support negative reinforcement of both sides about the rib beam reinforcing bar, every the gypsum diaphragm capsule with be provided with a plurality of cushion, adjacent two between the bottom plate reinforcing bar be provided with the mounting between the top of gypsum diaphragm capsule, the middle part of mounting is provided with the connecting piece, the one end of connecting piece with the mounting is connected, and the other end is located the bottom plate reinforcing bar deviates from the outside of superstructure upper strata reinforcing bar.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111844414A (en) * | 2020-07-21 | 2020-10-30 | 成都星河七防集成房屋有限公司 | Integrated house wallboard middle layer |
| CN111910927A (en) * | 2020-08-13 | 2020-11-10 | 贵州开磷建设集团有限公司 | Construction method of concrete spreader supporting structure on hollow floor |
| CN112376774A (en) * | 2020-11-04 | 2021-02-19 | 广东永和建设集团有限公司 | Construction method of anti-floating cast-in-place concrete open-web floor |
| CN113374142A (en) * | 2021-07-05 | 2021-09-10 | 贵州建工集团第四建筑工程有限责任公司 | Construction method of ribbed floor slab gypsum mold box |
| CN114645595A (en) * | 2022-04-27 | 2022-06-21 | 重庆河邦建材有限公司 | Concrete pouring method for hollow floor system |
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| CN113374142A (en) * | 2021-07-05 | 2021-09-10 | 贵州建工集团第四建筑工程有限责任公司 | Construction method of ribbed floor slab gypsum mold box |
| CN114645595A (en) * | 2022-04-27 | 2022-06-21 | 重庆河邦建材有限公司 | Concrete pouring method for hollow floor system |
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