阅读说明：本技术 一种压型钢拼装式组合楼板及其施工方法 (Profiled steel assembled composite floor and construction method thereof ) 是由 肖基成 夏双武 江世永 李新华 齐秀芝 陈杰 于 2020-05-20 设计创作，主要内容包括：本发明公开了一种压型钢拼装式组合楼板及其施工方法,包括钢横梁和模板,模板设于相邻的两钢横梁之间,模板铺设于钢横梁上,在相邻两模板之间设有支撑构件,该支撑构件的两端位于两钢横梁的上侧并与两钢横梁固定连接,其两侧与模板抵接,且支撑构件的高度大于模板的厚度。模板的上方还铺设有钢筋网,在模板和支撑构件的上方浇筑混凝土,使混凝土覆盖钢横梁、模板、支撑构件和钢筋网,从而形成组合楼板。本发明中的支撑构件起支撑作用的同时还起到管线放置槽的作用,这样的楼板构造简单,便于现场施工,模板在浇筑混凝土后不易变形,楼板成型效果好,还将模板分隔成小单元使其模块化,便于运输安装,提升施工效率,适合工业化批量生产。(The invention discloses a profiled steel assembled composite floor slab and a construction method thereof, wherein the profiled steel assembled composite floor slab comprises steel cross beams and templates, the templates are arranged between two adjacent steel cross beams, the templates are laid on the steel cross beams, a supporting member is arranged between two adjacent templates, two ends of the supporting member are positioned at the upper sides of the two steel cross beams and fixedly connected with the two steel cross beams, two sides of the supporting member are abutted against the templates, and the height of the supporting member is greater than the thickness of the templates. And a reinforcing mesh is laid above the formwork, concrete is poured above the formwork and the supporting members, and the steel beams, the formwork, the supporting members and the reinforcing mesh are covered with the concrete, so that the composite floor is formed. The supporting member plays a supporting role and also plays a role of a pipeline placing groove, the floor slab is simple in structure and convenient to construct on site, the template is not easy to deform after concrete is poured, the floor slab is good in forming effect, the template is divided into small units to enable the small units to be modularized, the transportation and the installation are convenient, the construction efficiency is improved, and the floor slab is suitable for industrial mass production.)

1. A profiled steel assembled composite floor slab comprises steel cross beams (1) and templates (2), wherein the templates (2) are arranged between two adjacent steel cross beams (1), the length direction of the templates is perpendicular to the length direction of the steel cross beams (1), and the templates (2) are laid on the steel cross beams (1), and the profiled steel assembled composite floor slab is characterized in that a supporting member (3) is arranged between two adjacent templates (2), the supporting member (3) is arranged along the length direction of the templates (2), two ends of the supporting member (3) are positioned on the upper sides of the two steel cross beams (1) and fixedly connected with the two steel cross beams (1), two sides of the supporting member are abutted against the templates (2), and the height of the supporting member (3) is greater than the thickness of the templates (2); and a reinforcing mesh (4) is laid above the template (2), the reinforcing mesh (4) is positioned on the upper side of the supporting member (3) and is fixedly connected with the upper side of the supporting member (3), concrete is poured above the template (2) and the supporting member (3), and the concrete covers the steel beam (1), the template (2), the supporting member (3) and the reinforcing mesh (4), so that the composite floor is formed.

2. A profiled steel sectional composite floor slab as claimed in claim 1, wherein the support member (3) has a through slot (5) formed through its ends.

3. A profiled steel sectional composite floor slab as claimed in claim 2, wherein the width of the notch of the through groove (5) is the same as the width of the bottom of the through groove (5).

4. A profiled steel sectional composite floor slab as claimed in claim 2, wherein the width of the notch of the through groove (5) is smaller than the width of the bottom of the through groove (5), so that the end face of the through groove (5) is wedge-shaped.

5. A profiled steel assembled composite floor slab as claimed in claim 2, wherein a sealing member for sealing the notch is further provided at the notch of the through groove (5), two protruding strips are symmetrically provided on the inner wall of the notch, grooves corresponding to the protruding strips are provided on both sides of the sealing member in the length direction, and the sealing member is connected with the inner wall of the through groove through the grooves and the protruding strips in a snap-fit manner.

6. A profiled steel sectional composite floor slab as claimed in claim 2, wherein the edges of the slot opening of the through slot (5) are respectively bent towards the direction away from each other and extended to form an extension (6).

7. The profiled steel assembled composite floor slab as claimed in claim 6, wherein the corresponding position of the template (2) and the extension part (6) is provided with a relief groove, the relief groove of the template (2) is attached to the extension part (6) of the support member, so that the joint of the template (2) and the support member (3) forms a dislocation structure, and the bottom surface of the template (2) is flush with the lower side surface of the extension part (6) of the support member.

8. The profiled steel assembled composite floor slab as claimed in claim 1, wherein the form (2) between two adjacent support members (3) is of at least two-section structure, a gap is formed between two adjacent sections of form (2), and the support members (3) are provided with openings (7) corresponding to the gap; and a closing member for closing the gap is further arranged at the lower side of the gap.

9. A construction method of a profiled steel assembled composite floor slab is characterized in that the profiled steel assembled composite floor slab as claimed in any one of claims 1 to 8 is built, and the construction method comprises the following steps:

s1: installing steel beams between two adjacent fixed steel pipe columns, arranging a support member between the two adjacent steel beams, and fixedly connecting two ends of the support member with the two steel beams respectively, wherein the support member for arranging the pipeline can be arranged at the position where the pipeline needs to be arranged;

s2: laying a template between two adjacent steel cross beams to enable the template to be abutted against two sides of the supporting member;

s3: laying a plurality of reinforcing steel bar meshes on the template;

s4: and pouring concrete on the template, wrapping the template, the supporting members and the reinforcing mesh in the concrete, and combining the concrete with the steel cross beam to form the steel-concrete composite floor slab.

Technical Field

The invention relates to the technical field of buildings, in particular to a profiled steel assembled composite floor slab and a construction method thereof.

Background

At present, a cast-in-place floor slab is generally adopted, a formwork is firstly erected on a construction site, reinforcing steel bars are installed on the formwork, then concrete is poured on the formwork, and the formwork is dismantled after the concrete is solidified and reaches a certain strength. Compared with the prefabricated floor slab, the cast-in-place floor slab can enhance the integrity and the shock resistance of a house, has larger bearing capacity, and has certain advantages in the aspects of heat insulation, sound insulation, water resistance and the like. However, the cast-in-place floor slab also has certain problems, the template needs to be cut and assembled on site, the template needs to be coated with a coating agent for treatment and the like, so that the cast-in-place floor slab has the problems of complicated field construction, large material loss, poor template recovery effect, large floor slab forming quality caused by human factors and the like. In addition, the floor form in the prior art is a temporary supporting structure, which is manufactured according to the design requirements, so that the concrete structure and the members are formed according to the specified positions and geometric dimensions, the correct positions of the concrete structure and the members are kept, and the self weight of the building form and the external load acting on the building form are borne. Common floor slabs in the prior art include wood slabs, aluminum slabs, steel slabs and the like. The wood template is generally processed and sheared on site, the turnover frequency is low, the turnover treatment is difficult, the aluminum template and the steel template are taken as novel templates, the aluminum template and the steel template have the advantages of recoverability and high turnover frequency, the initial investment cost is high, the design precision is high, the aluminum template and the steel template can only be prefabricated in a factory, and the site is difficult to process the formed steel template and the formed aluminum template. Meanwhile, the conventional template needs to be removed by treating the surface of the template in advance and performing procedures such as oil-based release agent brushing and the like. The existing template engineering generally accounts for 20% -30% of the construction cost of concrete structure engineering, and the promotion of the template technology becomes an important content of the progress of the building technology in China.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a profiled steel assembled composite floor slab and a construction method thereof, and aims to solve the problems of complex template field processing, poor template recovery effect, inconvenience in hoisting, easiness in damage and material waste of the existing cast-in-place floor slab.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a die mould steel pin-connected panel composite floor, includes steel crossbeam and template, the template is located between two adjacent steel crossbeams, its length direction perpendicular to the length direction of steel crossbeam, just the template is laid in on the steel crossbeam, be equipped with supporting member between two adjacent templates, supporting member sets up along the length direction of template, and this supporting member's both ends are located two steel crossbeam's upside and with two steel crossbeam fixed connection, its both sides with the template butt, and supporting member's height is greater than the template thickness. And a reinforcing mesh is laid above the formwork, is positioned on the upper side of the supporting member and is fixedly connected with the upper side of the supporting member, and concrete is poured above the formwork and the supporting member so as to cover the steel cross beam, the formwork, the supporting member and the reinforcing mesh, thereby forming the composite floor slab.

The supporting members are arranged between the steel cross beams, the supporting members are steel members with certain thickness, the supporting members have the functions of positioning and temporarily supporting the templates before concrete pouring, and the supporting members can be used as stressed steel bars after the concrete pouring. Meanwhile, the reinforcing mesh is placed on the upper side of the supporting member and fixedly connected with the supporting member, and the supporting member is used for replacing the cushion block to play a role in supporting the reinforcing mesh. When the supporting member is manufactured, the thickness of the supporting member can be adjusted according to the actual construction requirement, so that the thickness of the concrete protective layer can be adjusted.

Furthermore, a through groove penetrating through two ends of the supporting member is formed in the lower side of the supporting member. The supporting member is provided with the through groove, so that the purposes of the supporting member are increased, the through groove plays a role of a pipeline mounting groove, and the requirement on pipeline separation is met.

Further, the width of the notch of the through groove is consistent with the width of the bottom of the through groove. The cross section of the supporting member is designed to be in a shape like a Chinese character 'ji', and the groove wall of the through groove is perpendicular to the extending part, so that the through groove plays a role of a pipeline groove.

Furthermore, the width of the notch of the through groove is smaller than the width of the bottom of the through groove, so that the end face of the through groove is in a wedge shape. Such design makes the terminal surface of supporting member be the wedge, and this kind of shape makes the supporting member can also play the effect of furred ceiling fossil fragments, and in actual construction, the width of notch can be adjusted according to the construction needs.

Further, the notch department that leads to the groove still is equipped with the sealing that is used for sealing the notch, the symmetry is equipped with two sand grips on the inner wall of notch, the sealing along its length direction's both sides be equipped with the corresponding recess of sand grip, the sealing pass through recess and sand grip with lead to groove notch inner wall block and link to each other. The sealing piece has a sealing effect on the notch of the through groove and mainly has an effect of protecting the pipeline in the through groove.

Furthermore, the edges of the through groove notches are respectively bent towards the direction away from each other and extend to form extension parts. The side of the formwork in contact with the support member can be placed on the extension portion so that the support member also has a certain supporting effect on the formwork.

Further, the template with the extension corresponds the department and is equipped with the groove of stepping down, the groove of stepping down of template with the extension laminating of supporting member is in the same place, makes the template and the junction of supporting member form dislocation structure, the bottom surface of template with the downside surface looks parallel and level of supporting member extension. The template is provided with the abdicating groove, so that the bottom surface of the template is flush with the lower side surface of the extension part of the supporting member, the connecting part is kept flat, and the appearance effect is improved.

Furthermore, the template between two adjacent supporting members is of an at least two-section structure, a gap is formed between the two adjacent templates, and the supporting members are provided with openings corresponding to the gap. And a closing member for closing the gap is further arranged at the lower side of the gap. The openings provided in the support member facilitate the exit of the pipeline from the desired location for ease of pipeline installation. When the template is of an at least two-section structure, a sealing component is arranged on the lower side of the gap between two adjacent sections of templates, and the lower side of the gap is sealed by the sealing component. In actual construction, the sealing member may be the sealing member of the present invention, or the lower side of the gap may be sealed by a sealing plate of another structure, and after the sealing is completed, a pipeline may be laid in the gap.

The construction method of the profiled steel assembled composite floor slab comprises the following steps:

s1: and installing steel beams between two adjacent fixed steel pipe columns, arranging a supporting member between the two adjacent steel beams, and fixedly connecting two ends of the supporting member with the two steel beams respectively, wherein the supporting member for arranging the pipeline can be arranged at the position where the pipeline needs to be arranged. During on-site construction, a steel cross beam is laid between two adjacent fixed steel pipe columns, the length direction of the steel cross beam is perpendicular to the length direction of the steel pipe columns, and the steel cross beam is fixedly connected with the steel pipe columns. At the location of the support members, corresponding support structures for temporary support, such as beam supports or floor supports, are set up, the floor support connections being made by means of support rods, and the temporary support structures being removed after the floor has reached a corresponding strength.

S2: and laying the template between two adjacent steel cross beams to ensure that the template is abutted against two sides of the supporting member.

S3: and laying a plurality of reinforcing steel bar meshes on the template.

S4: and pouring concrete on the template, wrapping the template, the supporting members and the reinforcing mesh in the concrete, and combining the concrete with the steel cross beam to form the steel-concrete composite floor slab.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the supporting members are arranged between the steel cross beams, the supporting members have the functions of positioning and temporarily supporting the template before the concrete is poured, and the supporting members can be used as stressed steel bars after the concrete is poured. The template is a disassembly-free template, and becomes a part of the floor after construction, and compared with the method for slotting on concrete, slotting on the template is easier, the structure of the floor cannot be damaged, and pipelines are convenient to place. The template is not easy to deform after concrete is poured, and meanwhile, the template is divided into small units by the supporting members, so that the template is modularized, the size and the weight of the module are reduced, the transportation and the field installation are facilitated, and the template is suitable for industrial batch production.

2. The supporting member is also provided with a through groove which can be used as a pipeline placing groove, the supporting member for pipeline installation is preset at the position where pipelines need to be arranged according to construction requirements, gaps among templates are matched, and the supporting member is provided with a hole for reservation, so that the requirement of subsequent pipeline routing is met, and the design requirement of pre-buried pipeline channels in a floor slab structure is met.

3. The invention also designs the supporting members with different cross section shapes according to the actual requirements, wherein the supporting member with the wedge-shaped cross section also has the function of a suspended ceiling keel, and the width of the through groove opening on the supporting member can be adjusted according to the actual construction requirements, so that the suspended ceiling hanging piece or the suspended ceiling hanging piece can be better fixed.

4. The profiled steel assembled composite floor slab meets the design requirements of buildings, has a good supporting effect, can be produced in batches in a factory in an industrialized mode, and then is transported to a construction site for cast-in-place, so that the construction speed can be effectively improved.

Drawings

Fig. 1 is a schematic structural view of a profiled steel assembled composite floor slab according to the present invention.

FIG. 2 is a schematic structural view of one embodiment of a support member.

FIG. 3 is a schematic structural view of another embodiment of a support member.

Fig. 4 is a schematic structural view of the steel mesh, the support member, and the steel beam.

Fig. 5 is a schematic view of the structure of the opening in the support member.

Fig. 6 is a schematic view of the connection of a ceiling hanger to a support member.

In the figure: the steel beam 1, the template 2, the supporting member 3, the reinforcing mesh 4, the through groove 5, the extension part 6, the opening 7 and the ceiling hanging piece 8.

Detailed Description

The invention will be further explained with reference to the drawings and the embodiments.

In one embodiment, the profiled steel assembled composite floor slab of the invention, referring to fig. 1 and 4, comprises steel beams 1 and formworks 2, wherein the formworks 2 are arranged between two adjacent steel beams 1, the length direction of the formworks is perpendicular to the length direction of the steel beams 1, and the formworks 2 are laid on the steel beams 1. When the combined floor slab is specifically implemented, two ends of the steel beam 1 are respectively fixedly connected with the upper ends of two adjacent steel pipe columns, the length direction of the steel beam 1 is arranged along the length direction perpendicular to the steel pipe columns, and the steel pipe columns play a role in supporting the whole combined floor slab. And a supporting member 3 is arranged between two adjacent formworks 2, the supporting member 3 is arranged along the length direction of the formworks 2, two ends of the supporting member 3 are positioned at the upper sides of the two steel cross beams 1 and fixedly connected with the two steel cross beams 1, two sides of the supporting member 3 are abutted against the formworks 2, and the height of the supporting member 3 is greater than the thickness of the formworks 2. During actual construction, the steel beam 1 can be a conventional steel beam, such as i-shaped steel or H-shaped steel, or a novel U-shaped steel beam, upper edges of two side walls of the U-shaped steel beam are respectively bent towards opposite directions to form upper flanges, two ends of the template 2 are located above the upper flanges of the U-shaped steel beam, and one end of the supporting member 3 is fixedly connected with the upper flanges on one side of the U-shaped steel beam. The support member 3 is a steel member having a certain thickness. And a reinforcing mesh 4 is laid above the formwork 2, the reinforcing mesh 4 is positioned on the upper side of the supporting member 3 and is fixedly connected with the upper side of the supporting member 3, so that the supporting member 3 plays the role of a cushion block, concrete is poured above the formwork 2 and the supporting member 3, and the steel beam 1, the formwork 2, the supporting member 3 and the reinforcing mesh 4 are covered by the concrete, thereby forming the composite floor slab. In actual construction, the reinforcing mesh 4 can be a reinforcing mesh sheet, a reinforcing truss or a plurality of layers of reinforcing steel bars, and the reinforcing mesh meeting the design requirements is selected according to actual design requirements.

In some embodiments, referring to fig. 2 and 3, the lower side of the support member 3 is opened with a through slot 5 penetrating through both ends thereof. The mounting holes are formed in the groove bottoms of the two ends of the through groove 5 in the supporting member 3, the mounting bolts are arranged in the mounting holes, the screw rods of the mounting bolts are abutted to the tops of the steel cross beams 1 on the same side after penetrating through the mounting holes, the nuts of the mounting bolts are located at the tops of the supporting members 3, and the nuts are screwed up, so that the supporting members 3 are fixedly connected with the tops of the steel cross beams 1. In practical use, the edges of the notches of the through slots 5 are respectively bent towards the opposite directions and extend to form extension parts 6. Template 2 with the 6 corresponding departments of extension are equipped with the groove of stepping down, template 2 step down the groove with the 6 laminating of extension of supporting member is in the same place, makes template 2 and the junction of supporting member 3 form dislocation structure, the bottom surface of template 2 with the lower side surface looks parallel and level of supporting member extension 6. The arrangement of the receding groove enables the template 2 to be connected with the extending part 6 of the supporting member more tightly, the slurry leakage phenomenon is avoided when concrete is poured, meanwhile, the bottom surface of the template 2 is flush with the lower side surface of the extending part 6 of the supporting member, and the appearance performance of the joint of the template 2 and the supporting member is improved.

In some embodiments, referring to fig. 3, the width of the notch of the through slot 5 coincides with the width of the bottom of the through slot 5. In a specific construction, a support member 3 functioning as a pipe chase is provided at a position where a pipeline needs to be disposed, so that the pipeline is placed in the chase 5 of the support member 3. The notch department that leads to groove 5 still is equipped with the sealing that is used for sealing the notch, the symmetry is equipped with two sand grips on the inner wall of notch, the sealing along its length direction's both sides be equipped with the corresponding recess of sand grip, the sealing pass through recess and sand grip with lead to groove notch inner wall block and link to each other. After accomplishing the pipeline installation, can use the closure to seal the notch that leads to groove 5, both can protect the pipeline that leads to in the groove 5, can also shield leading to groove 5 notch, preferably, the downside surface of closure with the downside surface looks parallel and level of extension 6 can make floor bottom surface keep leveling, promotes floor bottom surface's outward appearance performance.

In other embodiments, referring to fig. 2 and 6, the width of the notch of the through slot 5 is smaller than the width of the bottom of the through slot 5, so that the end surface of the through slot 5 is wedge-shaped. In actual use of this embodiment, the width of the notch may be up to 2 mm. This design provides a wedge-shaped cross-section of the support member 3, so that the support member 3 functions as a ceiling grid. Present furred ceiling hangs piece 8 and is equipped with the stiff end that is used for fixing on the furred ceiling fossil fragments, hangs the stiff end of piece 8 with present furred ceiling and stretches into in 5 slots of logical groove along vertical direction, then rotatory certain angle, makes 5 inner wall laminating in logical groove of stiff end and supporting member 3 to hang a 8 with the furred ceiling and fix.

In other embodiments, referring to fig. 1 and 5, the form between two adjacent supporting members has an at least two-segment structure, and a gap is formed between two adjacent segments of form, and the supporting member 3 is provided with an opening 7 corresponding to the gap. And a closing member for closing the gap is further arranged at the lower side of the gap. The template between two adjacent supporting members 2 is an at least two-section structure, that is, the template between two adjacent supporting members 2 is a multi-section structure, so the design mainly considers the requirement of pipeline routing, the multi-section structure can be selected according to the requirement of pipeline position, a gap is reserved at the position where the pipeline needs to be arranged, and meanwhile, the supporting member 3 is provided with a hole 7 corresponding to the gap so as to lead out the pipeline. A sealing member for sealing the gap is arranged at the lower side of the gap, the sealing member can be the sealing piece, and during actual construction, the gap is sealed firstly, and then a pipeline is laid; the sealing component can also be a pipeline matched with the gap, and during construction, the pipeline can be arranged in the pipeline firstly, then the pipeline is embedded into the gap in advance, and the gap is sealed by the pipeline.

The construction method of the profiled steel assembled composite floor slab comprises the following steps:

s1: and installing steel beams between two adjacent fixed steel pipe columns, arranging a supporting member between the two adjacent steel beams, and fixedly connecting two ends of the supporting member with the two steel beams respectively, wherein the supporting member for arranging the pipeline can be arranged at the position where the pipeline needs to be arranged. During on-site construction, a steel cross beam is laid between two adjacent fixed steel pipe columns, the length direction of the steel cross beam is perpendicular to the length direction of the steel pipe columns, and the steel cross beam is fixedly connected with the steel pipe columns. At the location of the support members, corresponding support structures for temporary support, such as beam supports or floor supports, are set up, the floor support connections being made by means of support rods, and the temporary support structures being removed after the floor has reached a corresponding strength.

S2: and laying the template between two adjacent steel cross beams to ensure that the template is abutted against two sides of the supporting member. In the step, the template is not required to be additionally supported by an additional temporary supporting structure, and the template can be well supported by using the cooperation of the steel beam and the supporting member.

S3: and laying a plurality of reinforcing steel bar meshes on the template, wherein the reinforcing steel bar meshes are fixedly connected with the tops of the supporting members. The reinforcing mesh can be selected from reinforcing meshes, reinforcing trusses or a plurality of layers of reinforcing steel bars, and can be adjusted according to actual construction needs.

S4: and pouring concrete on the template, wrapping the template, the supporting members and the reinforcing mesh in the concrete, and combining the concrete with the steel cross beam to form the steel-concrete composite floor slab.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.