CN113565139B - Construction method facilitating demolding of floor beam and floor template - Google Patents
Construction method facilitating demolding of floor beam and floor template Download PDFInfo
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- CN113565139B CN113565139B CN202110770141.1A CN202110770141A CN113565139B CN 113565139 B CN113565139 B CN 113565139B CN 202110770141 A CN202110770141 A CN 202110770141A CN 113565139 B CN113565139 B CN 113565139B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
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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
- E04B1/0007—Base structures; Cellars
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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
- E04B1/165—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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
Abstract
The invention relates to the technical field of ground beam construction, and discloses a construction method convenient for demoulding of a template of a ground beam and a floor, which comprises the following construction steps of: 1) Excavating the ground to form a construction area, arranging a beam area, and enclosing the beam area to form an enclosing area; 2) Erecting a beam side template in a beam area to form a beam space, and paving a membrane body in the beam space; 3) Filling soil in the enclosing area to set the bottom surface of the plate, and setting a top template on the bottom surface of the plate, wherein the top template is enclosed to form a ring shape; 4) Arranging a beam reinforcing steel bar frame and a reinforcing steel bar mesh; 5) Pouring concrete; 6) And excavating a soil body below, and dismantling the beam side template and the top template. According to the steps, the membrane body is laid on the template, the size of the top template is adjusted, so that concrete cannot seep out or a small amount of concrete seeps out of the template, the template cannot be adhered to the concrete or the adhesion is small, after the concrete is solidified, soil below the ground beam and the floor is dug, people can easily dismantle the beam side template and the top template, and subsequent safe production is facilitated.
Description
Technical Field
The invention relates to the technical field of ground beam construction, in particular to a construction method facilitating demolding of a template of a ground beam and a floor.
Background
The ground beam is commonly called as a ground ring beam, has the characteristic of closing, and forms an anti-seismic crack-limiting system together with the constructional column to slow down the negative effect of uneven settlement.
In modern building construction, all projects involving reinforced concrete inevitably involve concrete formwork projects, and conventional ground beam formworks mostly adopt wooden formworks. When the ground beam and the floor are connected to the upper part of the beam, the ground is integrally excavated, after the beam steel bars are bound, beam side templates and floor templates between the ground beams are installed to form a filling space, and concrete or other materials are filled in the filling space to form the ground beam and the floor.
However, in this case, a gap is formed at a junction between the inner form of the floor beam and the top form of the floor, so that when concrete is poured later, concrete grout penetrates through the gap, causing the inner form and the top form to adhere to the concrete, and thus it is difficult to prevent the inner form and the top form from being separated or separated.
In addition, the plank sheathing is generally formed by nine layers of veneer with water-soluble glue hot pressing, and phenomenons such as surface blistering, fracture appear often in the work progress, excavate the back to the earthwork of grade beam below when constructor, if can not in time demolish inboard template and top form, can make the constructor of operation in the below have great safety risk.
Disclosure of Invention
The invention aims to provide a construction method for facilitating demoulding of a floor beam and a floor template, and aims to solve the problem that the template is not convenient to separate in the construction of manufacturing the floor beam and the template in the prior art.
The invention is realized in this way, the construction method convenient for demoulding the template of the ground beam and the floor comprises the following construction steps:
1) Excavating the ground at a position where a ground beam and a floor are required to be arranged to form a construction area, wherein the construction area comprises a plurality of beam areas, the beam areas are sequentially butted, sealed and enclosed, and the beam areas are enclosed to form an enclosed area;
2) Supporting a plurality of beam side templates in the beam area, wherein the beam side templates surround to form a beam space, two ends of the beam space are arranged on supporting piles, a membrane body is paved in the beam space, and the beam side templates are provided with inner side templates positioned on the periphery of the beam space;
3) Filling soil in the enclosing area and tamping to form a bottom surface of the plate, wherein the enclosing area is provided with a plate space above the bottom surface of the plate, and the bottom surface of the plate is arranged in parallel with the top of the inner side template; a top template is arranged on the bottom surface of the plate, the outer end of the top template is in butt joint with the inner side template, the outer end of the top template extends along the length direction of the inner side template, and the top template is enclosed to form a ring shape;
4) Arranging a beam reinforcing frame in the beam space, wherein the beam reinforcing frame is internally provided with beam main reinforcements horizontally arranged, pile main reinforcements extend from the support piles, and the beam main reinforcements at two ends of the beam reinforcing frame are respectively connected with the pile main reinforcements; filling a reinforcing mesh in the plate space;
5) Pouring concrete into the beam space and the plate space, wherein after the concrete is solidified, the concrete in the beam space forms a ground beam, the concrete in the plate space forms a floor, and the periphery of the floor is connected with the upper part of the ground beam into a whole;
6) Excavating the ground beam and the soil body below the floor, and dismantling the beam side template and the top template.
Further, the reinforcing mesh is provided with plate main reinforcements, and the plate main reinforcements extend into the beam space and are connected with the beam reinforcing frame.
Further, in the construction step 3), after the top formworks and the top of the inner side formwork are arranged in parallel, the membrane body in the beam space extends to the middle position of the top formwork across the top of the inner side formwork.
Further, in the construction step 3), after the tops of the top formwork and the inner side formwork are arranged in a flush manner, the top formwork and the inner side formwork are fixedly connected through the horizontally arranged connecting pieces, and the film body covers the connecting pieces.
Furthermore, the two ends of the connecting sheet are respectively provided with downwardly extending inserting nails, the inserting nails at the two ends of the connecting sheet are respectively inserted into the inner template and the top template from top to bottom, and the connecting sheet is attached to the inner template and the top template.
Furthermore, one end of the connecting sheet is provided with a side connecting part which extends downwards and is arranged, and the side connecting part is abutted against the inner side of the beam side template and is fixedly connected with the beam side template.
Further, the top template is provided with an inner end part facing to the central position of the plate space, and the inner end part of the top template is obliquely arranged downwards along the direction from outside to inside to form a downward inclined section; in the construction step 3), after the top template is arranged on the bottom surface of the slab, the downward inclined section is downwards embedded into a soil body below the bottom surface of the slab.
Further, the top form has a top end surface disposed upward, and in the construction step 5), a grease layer is coated on the top end surface of the top form before concrete is poured into the beam space and the slab space.
Further, in the construction step 2), the bottom of the inner side formwork is embedded into soil below the beam space to form an insertion section.
Further, in the construction step 6), after the ground beam and the soil body below the floor are excavated, opposite pulling forces are applied to the inserting section and the lower inclined section at the same time, the inner side formwork is detached from the ground beam, and the top formwork is detached from the floor.
Compared with the prior art, according to the construction method for facilitating the demoulding of the floor beam and the floor template, the beam area is divided after the earthwork is excavated, the beam side templates are arranged on the periphery of the beam area to form the beam space, and the membrane bodies such as the plastic membrane and the like are arranged in the beam space to prevent the concrete from being directly adhered to the template and prevent the concrete from penetrating into the gap between the templates; and arranging a top template on the bottom surface of the slab, butting the outer end of the top template with the inner side template and extending along the length direction of the inner side template, enclosing the inner end of the top template to form a ring shape, laying a beam reinforcing steel bar frame and a reinforcing steel bar mesh, and finally pouring concrete in the beam space and the slab space. Like this, through laying the membrane body to the template to and the size of adjustment top form, make follow-up constructor when pouring the concrete, the concrete thick liquid can't ooze or ooze a small amount, thereby can't the adhesion or glue between template and the concrete and be a little, wait until the concrete solidification back, constructor excavates behind the soil body of grade beam and floor below, can demolish roof beam side form and top form very easily, do benefit to follow-up safety in production.
Drawings
FIG. 1 is a construction step diagram of the construction method for facilitating the demolding of a template of a ground beam and a floor provided by the present invention;
FIG. 2 is a top plan view of a top form provided by the present invention;
FIG. 3 is a schematic view of the relationship between the side and top forms and the connecting pieces of the beam provided by the present invention;
fig. 4 is a schematic structural view of the connecting sheet provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operate, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and it is possible for one of ordinary skill in the art to understand the specific meaning of the above terms according to the specific situation.
Referring to fig. 1-4, preferred embodiments of the present invention are shown.
The construction method for facilitating the demolding of the template of the ground beam and the floor comprises the following construction steps:
1) Excavating the ground at the position where the ground beam and the floor are required to be arranged, excavating earthwork to form a construction area, wherein the construction area comprises a plurality of beam areas 100, the beam areas 100 are sequentially butted, sealed and enclosed, the beam areas 100 are enclosed to form an enclosed area, and the enclosed area is generally square;
2) A plurality of beam side templates are erected in a beam area 100, each beam side template is provided with an outer side template 101 and an inner side template 102 which are located on the periphery of a beam space 103, the outer side template 101 is higher than the inner side templates 102, the beam space 103 is formed by enclosing the plurality of beam side templates, two ends of the beam space 103 are arranged on supporting piles 200, the supporting piles 200 are located at four corners of the enclosed area, membrane bodies are paved in the beam space 103, and the membrane bodies are plastic films and the like and used for preventing concrete from being adhered to the templates;
3) Filling soil in the enclosed area and tamping to form a plate bottom surface 300, wherein the plate bottom surface 300 is flat and firm and is convenient for concrete molding, the enclosed area is provided with a plate space 301 above the plate bottom surface 300, and the plate bottom surface 300 is arranged in parallel with the top of the inner side template 102, namely the height of the filled soil in the enclosed area is consistent with the height of the inner side template 102; a top template 302 is arranged on the bottom surface 300 of the plate, the outer end of the top template 302 is butted with the inner side template 102, the outer end of the top template 302 extends along the length direction of the inner side template 102, and the top template 302 is enclosed to form a ring shape;
4) A beam reinforcing frame is arranged in the beam space 103, beam main reinforcements are horizontally arranged in the beam reinforcing frame, pile main reinforcements extend from the support piles 200, and the beam main reinforcements at two ends of the beam reinforcing frame are respectively connected with the pile main reinforcements to play a role in stabilizing the beam reinforcing frame; reinforcing meshes are filled in the board space 301, so that the subsequently formed floor is more stable;
5) Concrete is poured into the beam space 103 and the slab space 301, after the concrete is solidified, the concrete in the beam space 103 forms a ground beam, the concrete in the slab space 301 forms a floor, and the periphery of the floor is connected with the upper portion of the ground beam into a whole.
6) The earth mass below the ground beam and the floor is excavated and the beam side and top formworks 302 are removed.
According to the construction steps, after earthwork excavation, a beam area 100 is defined, beam side templates are arranged on the periphery of the beam area 100 to form a beam space 103, and film bodies such as plastic films and the like are arranged in the beam space 103 to prevent concrete from being directly adhered to the templates and prevent the concrete from penetrating into gaps among the templates; the top formwork 302 is arranged on the bottom surface 300 of the slab, the outer end of the top formwork 302 is abutted with the inner formwork 102 and extends along the length direction of the inner formwork 102, the inner end of the top formwork 302 is enclosed to form a ring shape, then the beam reinforcing frames and the reinforcing mesh are laid, and finally concrete is poured in the beam space 103 and the slab space 301. Like this, through laying the membrane body to the template to and the size of adjustment top form 302, make follow-up constructor when pouring the concrete, the concrete thick liquid can't ooze or ooze a small amount, thereby unable adhesion or adhesion are few between template and the concrete, wait until the concrete solidification back, after constructor excavates the earth mass of ground beam and below the floor, can demolish roof beam side form and top form 302 very easily, do benefit to follow-up safety in production.
The reinforcing mesh has a plurality of plate main reinforcements extending into the beam space 103 and connected to the beam reinforcement frame, so that the floor formed after the concrete is subsequently poured is more stable.
In the construction step 3), after the top templates 302 and the tops of the inner side templates 102 are arranged evenly, namely the height of the filled soil in the enclosed area is consistent with the height of the inner side templates 102, the top templates 302 are placed; the film body laid in the beam space 103 crosses the top of the inner side formwork 102 and extends to the middle position of the top formwork 302, namely the film body does not completely cover the top formwork 302, so that a part of the top formwork 302 can be adhered with concrete, and safety accidents caused by the fact that the top formwork 302 directly falls down when constructors excavate soil bodies below the top formwork are prevented.
In the construction step 3), after the top formworks 302 and the top of the inner side formwork 102 are arranged in a flush manner, the top formworks 302 and the inner side formwork 102 are fixedly connected by using the connecting sheets 400 arranged in a flush manner, the connecting sheets 400 can be made of wood boards or other materials and play a role in fixing the inner side formwork 102 and the top formworks 302, and the film bodies cover the connecting sheets 400, so that the connecting sheets 400 cannot be directly adhered to concrete.
The two ends of the connecting sheet 400 are respectively provided with inserting nails 401, the inserting nails 401 extend downwards, the inserting nails 401 at the two ends of the connecting sheet 400 are respectively inserted into the inner side template 102 and the top template 302 from top to bottom, and the connecting sheet 400 is attached to the inner side template 102 and the top template 302, so that the connecting sheet 400 integrates the inner side template 102 and the top template 302, the inner side template 102 and the top template 302 can be conveniently and simultaneously dismounted subsequently, and because the inner side template 102 is not directly adhered to concrete, safety accidents caused by the fact that the inner side template 102 directly falls down when constructors excavate soil below are also prevented.
One end of the connecting piece 400 is provided with a side connecting portion 402, the side connecting portion 402 extends downward, and the side connecting portion 402 abuts against the inner side of the side sill, and is fixedly connected with the side sill, so that the connecting piece 400 connects the inner side formwork 102 and the top formwork 302 into a whole.
The top die plate 302 has an inner end facing the central position of the plate space 301, and the inner end of the top die plate 302 is arranged obliquely downwards along the direction from outside to inside to form a downward inclined section 303; in the construction step 3), after the top formwork 302 is placed on the bottom surface 300 of the slab, the lower inclined section 303 is embedded downwards into the soil body below the bottom surface 300 of the slab, so that when concrete is poured, the lower inclined section 303 cannot be adhered to the concrete, and after the concrete is solidified, a constructor digs the soil body below the floor, and the lower inclined section 303 is exposed out of the floor, so that the constructor can conveniently grasp and dismantle the top formwork 302.
The top formwork 302 is provided with a top end face, the top end face is arranged upwards, in the construction step 5), before concrete is poured into the beam space 103 and the slab space 301, a grease layer is coated on the top end face of the top formwork 302, so that when the concrete is poured, adhesion between the concrete and the top formwork 302 cannot be too tight, and the top formwork 302 is convenient to dismantle subsequently.
The top end face of top template 302 sets up the recess, is equipped with the grease in the recess, and when the concreting, the grease in the recess is spilled over to the terminal surface by the concrete extrusion, prevents that grease layer runs off or dry before the concreting, and influences the adhesion effect of concrete and top template 302.
In the construction step 2), the bottom of the inner side formwork 102 is embedded into the soil body below the beam space 103 to form an insertion section 1021, so that when concrete is poured, the insertion section 1021 cannot be adhered to the concrete, after the concrete is solidified, a constructor digs the ground beam and the soil body below the floor, and the insertion section 1021 is exposed outside the ground beam, so that the constructor can conveniently grasp and dismantle the inner side formwork 102.
The bottom of the insertion section 1021 is configured as a pointed structure to facilitate insertion of the inner formwork 102 into the soil below the beam space 103.
In the construction step 6), after the constructor excavates the ground beam and the soil body below the floor, the constructor holds the lower inclined section 303 and the inserting section 1021 at the same time by two hands, and then applies opposite pulling forces to the inserting section 1021 and the lower inclined section 303, so that the inner side formwork 102 can be easily detached from the ground beam, and the top formwork 302 can be detached from the floor at the same time.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (4)
1. The construction method for facilitating the demolding of the template of the ground beam and the floor is characterized by comprising the following construction steps of:
1) Excavating the ground at a position where a ground beam and a floor are required to be arranged to form a construction area, wherein the construction area comprises a plurality of beam areas, the beam areas are sequentially butted, sealed and enclosed, and the beam areas are enclosed to form an enclosed area;
2) The beam area is provided with a plurality of beam side templates which surround to form a beam space, two ends of the beam space are arranged on supporting piles, a membrane body is laid in the beam space, and the beam side templates are provided with inner side templates located on the periphery of the beam space;
3) Filling soil in the enclosing area and tamping to form a bottom surface of the plate, wherein the enclosing area is provided with a plate space above the bottom surface of the plate, and the bottom surface of the plate is arranged in parallel with the top of the inner side template; a top template is arranged on the bottom surface of the plate, the outer end of the top template is in butt joint with the inner side template, the outer end of the top template extends along the length direction of the inner side template, and the top template is enclosed to form a ring shape;
4) Arranging a beam reinforcing frame in the beam space, wherein the beam reinforcing frame is internally provided with beam main reinforcements horizontally arranged, pile main reinforcements extend from the support piles, and the beam main reinforcements at two ends of the beam reinforcing frame are respectively connected with the pile main reinforcements; filling a reinforcing mesh in the plate space;
5) Concrete is poured into the beam space and the plate space, after the concrete is solidified, the concrete in the beam space forms a ground beam, the concrete in the plate space forms a floor, and the periphery of the floor is connected with the upper part of the ground beam into a whole;
6) Excavating a ground beam and a soil body below a floor, and dismantling a beam side template and a top template;
the reinforcing mesh is provided with plate main reinforcements, and the plate main reinforcements extend into the beam space and are connected with the beam reinforcing frame;
in the construction step 3), after the top formworks and the tops of the inner side formworks are arranged in parallel, the film bodies in the beam spaces cross the tops of the inner side formworks and extend to the middle positions of the top formworks;
in the construction step 3), after the tops of the top template and the inner side template are arranged in a flat manner, the top template and the inner side template are fixedly connected by using a horizontally arranged connecting sheet, and the membrane body covers the connecting sheet;
inserting nails extending downwards are respectively arranged at two ends of the connecting sheet, the inserting nails at two ends of the connecting sheet are respectively inserted into the inner template and the top template from top to bottom, and the connecting sheet is attached to the inner template and the top template;
the top template is provided with an inner end part facing to the central position of the plate space, and the inner end part of the top template is obliquely arranged downwards along the direction from outside to inside to form a downward inclined section; in the construction step 3), after the top template is placed on the bottom surface of the slab, the lower inclined section is downwards embedded into a soil body below the bottom surface of the slab;
the top formwork is provided with a top end face arranged upwards, and in the construction step 5), before concrete is poured into the beam space and the slab space, a grease layer is coated on the top end face of the top formwork;
the top end face of the top template is provided with a groove, grease is filled in the groove, and when concrete is poured, the grease in the groove is extruded by the concrete to overflow the top end face.
2. The method as claimed in claim 1, wherein the connecting piece has a side connecting portion extending downward at one end thereof, and the side connecting portion abuts against an inner side of the side sill-form and is fixedly connected to the side sill-form.
3. The construction method for facilitating the form removal of the floor beam from the floor as claimed in claim 1, wherein in the construction step 2), the bottom of the inner form is embedded into the soil body under the beam space to form the insertion section.
4. The method as claimed in claim 3, wherein in the step 6), after the excavation of the ground beam and the soil under the floor, the opposite pulling forces are applied to the inserting section and the lower inclined section, the inner formwork is removed from the ground beam, and the top formwork is removed from the floor.
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| CN202110770141.1A CN113565139B (en) | 2021-07-07 | 2021-07-07 | Construction method facilitating demolding of floor beam and floor template |
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| CN202110770141.1A CN113565139B (en) | 2021-07-07 | 2021-07-07 | Construction method facilitating demolding of floor beam and floor template |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2450310A1 (en) * | 1979-01-23 | 1980-09-26 | Bassin Paris Flandres Normandi | Construction technique for single storey buildings - uses prefabricated stanchion supports and ground beam spacers to form shuttering for cast concrete floor slabs |
| CN103866858B (en) * | 2014-03-21 | 2016-04-06 | 浙江工业大学 | A kind of concrete frame structure construction method with beam-ends restraint release function |
| CN106032705B (en) * | 2015-11-06 | 2018-01-09 | 广州容联建筑科技有限公司 | A kind of integral type pouring molding construction method of reinforced concrete floor |
| CN106836463A (en) * | 2017-02-21 | 2017-06-13 | 宁波东新建筑有限公司 | The constructing device and construction method of cushion cap and ground girder construction |
| CN108487630B (en) * | 2018-04-03 | 2020-03-31 | 河南省第一建筑工程集团有限责任公司 | Concrete sill prefabricated assembly construction method |
| CN210086609U (en) * | 2018-12-25 | 2020-02-18 | 清远市广盛民防工程有限公司 | Civil air defense engineering bottom plate structure |
| CN110439002A (en) * | 2019-07-18 | 2019-11-12 | 中国建筑第四工程局有限公司 | A kind of interim horizontal structure of inner support is used as the method for permanent structure beam slab |
| CN110578337B (en) * | 2019-09-10 | 2021-03-23 | 深圳市建工集团股份有限公司 | Synchronous construction method for reinforcing concrete by supporting beam and floor slab wood formwork in deep foundation pit |
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