CN208056422U - A kind of profiled sheet-raw bamboo-concrete combined floor - Google Patents

Abstract

A profiled steel-raw bamboo-concrete composite floor, comprising profiled steel plates, studs, longitudinal raw bamboo, hollow tubes, concrete, and steel mesh, is characterized in that the central axis of the profiled steel plate groove is welded at intervals of two For the above studs, the vertical raw bamboos containing natural bamboo joints are arranged at intervals at the central axis of the groove of the profiled steel plate, and the upper and lower surfaces correspond to the positions of the studs to open through holes with a diameter smaller than the inner diameter of the longitudinal raw bamboo, and set There are hollow tubes running through each through hole, the bottom end is placed on the upper surface of the profiled steel plate, the top end is not lower than the upper surface of the longitudinal raw bamboo, the pegs pass through the inner cavity of the through hole, the bottom end is welded to the upper surface of the profiled steel plate, and the concrete is poured On the upper part of the profiled steel plate, a steel mesh is arranged inside it. The utility model has a stable structure and is green and environment-friendly. The profiled steel plate can be used as a template during construction and double as a stressed steel of the structure. The use of raw bamboo reduces the amount of concrete, is low-carbon and environmentally friendly, and reduces the weight of the structure.

Description

A profiled steel plate-raw bamboo-concrete composite floor

technical field

The utility model relates to a composite floor slab, in particular to a profiled steel plate-original bamboo-concrete composite floor slab, which belongs to the technical field of civil engineering structures.

Background technique

Reinforced concrete structure, as one of the main building structure forms in our country, has been widely used in various construction projects. However, with today's high requirements for building height and seismic performance, problems such as poor seismic bearing capacity and deformation performance of reinforced concrete structures are prominent, which limits its application. In recent years, the steel-concrete composite structure, as a new type of composite structure, has significant advantages in building structures. In the composite structure, more and more profiled steel plates are used as the load-bearing unit of the building floor system, combining profiled steel plates and concrete. With excellent properties, it forms a light-weight floor slab with high bearing capacity and excellent deformation capacity.

Now under the guidance of the "sustainable development" policy, the civil engineering field has begun to focus on the research and application of low-carbon environmentally friendly materials. Bamboo is a new type of green and environmentally friendly material. It has been greatly welcomed by the construction industry in recent years. Bamboo has excellent mechanical properties. Especially the tensile properties, and the thermal insulation of bamboo to the structure, has great advantages in reducing the self-weight of the structure, and can be widely used in walls, floors and other components.

The utility model provides a profiled steel plate-original bamboo-concrete composite floor to overcome the defects of the existing reinforced concrete floor and profiled steel plate-concrete floor with excessive weight and meet the needs of today's super high-rise buildings.

Contents of the invention

The purpose of the utility model is to provide a profiled steel plate-original bamboo-concrete composite floor slab, in order to solve the self-heavy defect of the existing reinforced concrete floor slab. The composite floor slab adopts profiled steel plates to enhance the bearing capacity of the structure while reducing the space occupied by the structure. In addition, the rich bamboo resources in my country are fully utilized in the structure, and raw bamboo is filled in the concrete in the groove of the profiled steel plate. Affects the stress of the structure, reduces the self-weight, and is green and environmentally friendly.

The technical scheme of the utility model is: a composite floor slab of profiled steel plate-original bamboo-concrete, which is composed of profiled steel plate, studs, longitudinal original bamboo, hollow tube, concrete, and steel mesh, and is characterized in that each profiled steel plate Two or more pegs are welded at intervals on the central axis of each groove, and the longitudinal original bamboos containing natural bamboo joints are arranged at intervals on the central axis of the groove of the profiled steel plate, the number of which is equal to the number of notches, and the longitudinal axis of the longitudinal original bamboo The direction is parallel to the longitudinal axis of the profiled steel plate, and the upper and lower surfaces of the longitudinal original bamboo are provided with through holes with a diameter smaller than the inner diameter of the longitudinal original bamboo at the positions corresponding to each peg, and a corresponding hollow tube is provided at the corresponding position of each through hole. Vertically through each through-hole, the outer diameter of the hollow tube is the same as the inner diameter of the through-hole, and its outer wall is closely fitted and frictionally connected with the inner wall of the through-hole. The bottom end of the hollow tube is placed on the upper surface of the profiled steel plate, and its top is not lower On the upper surface of the vertical original bamboo, the studs pass through the inner cavity of the through hole, the bottom end of the stud is welded to the upper surface of the profiled steel plate, and the top of the stud is not less than 20mm exposed from the top surface of the hollow tube, and the concrete is filled in the inner cavity of the through hole The studs are completely wrapped, and the concrete is poured on the upper part of the profiled steel plate, and the steel mesh is laid inside.

The shape between the grooves of the profiled steel plate is one of open type, closed type or narrowed type.

The gap between the bottom surface of the longitudinal original bamboo and the upper surface of the profiled steel plate is 0-50 mm.

The positions and quantities of the hollow tubes are in one-to-one correspondence with the through holes, and are made of raw bamboo.

A method for manufacturing a profiled steel plate-raw bamboo-concrete composite floor slab, characterized in that studs are welded to the upper surface of the profiled steel plate in advance, through holes are opened at positions corresponding to the respective studs on the upper and lower surfaces of the longitudinal raw bamboo, and Place the hollow tube in it, and arrange the vertical original bamboo containing natural bamboo joints at the center axis of the groove of the profiled steel plate at intervals. The position and quantity of the hollow tube correspond to the through holes one by one, place the steel mesh, and pour concrete. Form a kind of profiled steel plate-original bamboo-concrete composite floor, its steps are as follows:

A. Laying profiled steel plates: Select profiled steel plates with the same size and specifications according to the design, and connect more than two profiled steel plates end to end;

B. Welding studs: Weld more than two studs at intervals in the groove of the profiled steel plate;

C. Processing vertical raw bamboo: select natural raw bamboos with similar diameters and lengths containing natural bamboo knots as vertical raw bamboos, and set up through holes at the positions of the studs on the upper and lower surfaces of the longitudinally arranged vertical raw bamboos corresponding to the profiled steel plates. Hole, the through hole is opened between two natural bamboo joints, the diameter is larger than the size of the stud and smaller than the inner diameter of the vertical original bamboo;

D. Make the hollow tube: select the original bamboo whose outer diameter is the same as the diameter of the through hole on the surface of the longitudinal original bamboo to cut and make the hollow tube, and its length is cut off according to the design length;

E. Arranging vertical raw bamboos and hollow tubes: two or more vertical raw bamboos are arranged parallel to the central axis of the groove of the profiled steel plate, the hollow tubes are arranged in the through holes on the surface of the longitudinal raw bamboos, and the bottom ends are supported on The upper surface of the profiled steel plate, and ensure that the pegs pass through the inner cavity of the hollow tube;

F. Binding and arranging steel mesh: Binding the steel bars to form a steel mesh. When arranging the steel mesh, pads can be set to avoid the direct laying of the steel bars to the ribs and grooves of the profiled steel plate;

G. Pouring concrete: Concrete is poured on the profiled steel plate. The concrete fills the inner cavity of the through hole and completely wraps the studs. - Concrete composite floors.

In the implementation method of the utility model, the profiled steel plates, studs, longitudinal raw bamboo and hollow tubes can be prefabricated or processed in advance in the factory, and the integral structure is formed by sequentially installing the cast-in-place concrete of each component on site, which is easy to realize standardized production.

The utility model overcomes the self-heavy defect of the reinforced concrete floor slab, improves the structural bearing capacity, and at the same time, adopts the original bamboo to make the structure green and environment-friendly, and has remarkable effects of energy saving and emission reduction. The specific beneficial effects are as follows:

(1) Compared with ordinary reinforced concrete floor slabs, profiled steel plates can be used as permanent formwork for cast-in-place concrete, saving cost and labor, and can also be used as the bottom reinforcement of the floor slab, reducing the workload of installing steel bars and ensuring the load bearing of the structure ability.

(2) The utility model adopts the combined floor slab to reduce the thickness of the floor slab and reduce the self-weight of the floor slab. The vertical raw bamboo arranged longitudinally in the groove of the profiled steel plate reduces the amount of concrete and further reduces the self-weight of the structure. The material is green and environmentally friendly, economical and energy-saving .

(3) The ribs of the profiled steel plate can be equipped with drainage and electricity pipelines, so that the structure and pipelines are integrated, increasing the effective use of the building.

Description of drawings:

Fig. 1 is the three-dimensional schematic diagram of a kind of profiled steel plate-original bamboo-concrete composite floor;

Fig. 2 is a cross-sectional schematic diagram of an open profiled steel plate-original bamboo-concrete composite floor;

Fig. 3 is a cross-sectional schematic diagram of a shrinkage type profiled steel plate-original bamboo-concrete composite floor;

Fig. 4 is a cross-sectional schematic diagram of a closed type profiled steel plate-original bamboo-concrete composite floor;

Fig. 5 is a three-dimensional schematic diagram of a stud of a profiled steel plate-original bamboo-concrete composite floor;

Fig. 6 is a three-dimensional schematic diagram of a reinforced mesh of a profiled steel plate-original bamboo-concrete composite floor;

Fig. 7 is a schematic diagram of the hollow tube-stud three-dimensional details of a profiled steel plate-original bamboo-concrete composite floor;

Fig. 8 is a process flow diagram of a profiled steel plate-original bamboo-concrete composite floor;

Fig. 9 is a schematic diagram of the steps of laying a profiled steel plate-original bamboo-concrete composite floor;

Fig. 10 is a schematic diagram of welding stud steps of a profiled steel plate-original bamboo-concrete composite floor;

Fig. 11 is a schematic diagram of the processing longitudinal raw bamboo steps of a profiled steel plate-raw bamboo-concrete composite floor;

Fig. 12 is a schematic diagram of the steps of making a hollow pipe section of a profiled steel plate-original bamboo-concrete composite floor;

Fig. 13 is a schematic diagram of steps of arranging longitudinal raw bamboo and hollow tubes of a profiled steel plate-raw bamboo-concrete composite floor;

Fig. 14 is a schematic diagram of the steps of binding and arranging steel bars for a profiled steel plate-original bamboo-concrete composite floor slab;

Fig. 15 is a schematic diagram of pouring concrete steps of a profiled steel plate-original bamboo-concrete composite floor;

In accompanying drawings 1 to 15, 1 is a profiled steel plate, 2 is a stud, 3 is a vertical bamboo, 4 is a hollow tube, 5 is concrete, 6 is a steel mesh, 7 is a through hole, and 31 is a natural bamboo Festival.

Detailed ways:

In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation of the utility model is now described with reference to the accompanying drawings.

As shown in Figures 1 to 7, the utility model provides a profiled steel plate-original bamboo-concrete composite floor, including profiled steel plate 1, studs 2, longitudinal original bamboo 3, hollow tube 4, concrete 5, steel mesh 6 common composition, characterized in that two or more studs 2 are welded at intervals on the central axis of each groove of the profiled steel plate 1, and the longitudinal raw bamboo 3 containing natural bamboo joints 31 is arranged at intervals in the center of the groove of the profiled steel plate 1 At the axis, the number is equal to the number of notches, the longitudinal axis of the longitudinal original bamboo 3 is parallel to the longitudinal axis of the profiled steel plate 1, and the upper and lower surfaces of the longitudinal original bamboo 3 correspond to the positions of each peg 2 with a diameter smaller than the longitudinal axis. The through holes 7 of the original bamboo 3 internal diameters are provided with a corresponding hollow tube 4 vertically running through each through hole 7 at the corresponding position of each through hole 7. The inner wall of the hole 7 is closely attached to the friction connection, the bottom end of the hollow tube 4 is placed on the upper surface of the profiled steel plate 1, and its top end is not lower than the upper surface of the longitudinal original bamboo 3, and the peg 2 passes through the inner cavity of the through hole 7 , the bottom end of stud 2 is welded to the upper surface of profiled steel plate 1, and the top surface of hollow tube 4 is not less than 20 mm exposed. Concrete 5 is filled in the inner cavity of through hole 7 and completely wraps stud 2. The top of the shaped steel plate 1, and its inside is laid with a steel mesh 6.

The shape between the grooves of the profiled steel plate 1 is one of open type, closed type or necked type.

The gap between the bottom surface of the longitudinal raw bamboo 3 and the upper surface of the profiled steel plate 1 is 0-50 mm.

The position and quantity of the hollow tubes 4 correspond one-to-one to the through holes 7, which are made of raw bamboo.

As shown in Figures 8 to 15, a method for manufacturing a profiled steel plate-raw bamboo-concrete composite floor is characterized in that the studs 2 are welded to the upper surface of the profiled steel plate 1 in advance, and the upper and lower surfaces of the vertical raw bamboo 3 correspond to each other. Each peg 2 is provided with a through hole 7, and the hollow tube 4 is placed in it, and the longitudinal original bamboo 3 containing natural bamboo joints 31 is arranged at the center axis of the groove of the profiled steel plate 1 at intervals in the transverse direction, and the hollow tube 4 The positions and numbers are in one-to-one correspondence with the through holes 7, the steel mesh 6 is placed, and the concrete 5 is poured to form a profiled steel plate-original bamboo-concrete composite floor. The steps are as follows:

A. Laying profiled steel plates: Select profiled steel plates 1 with the same size and specifications according to the design, and connect more than two profiled steel plates 1 end to end;

B. Welding studs: Weld more than two studs 2 at intervals in the groove of the profiled steel plate 1;

C. Processing vertical raw bamboo: select the natural raw bamboo with similar diameter and length that contains natural bamboo joints 31 as the vertical raw bamboo 3, and each peg on the vertically arranged vertical raw bamboo 3 upper and lower surfaces corresponding to the profiled steel plate 1 2. A through hole 7 is set at the position, and the through hole 7 is set between two natural bamboo joints 31, the diameter of which is larger than that of the stud 2 and the size is smaller than the inner diameter of the vertical original bamboo 3;

D. make hollow tube: select outer diameter and vertical original bamboo 3 surface through hole 7 diameters identical original bamboo interception and make hollow tube 4, its length cuts off according to design length;

E. Arranging vertical raw bamboos and hollow tubes: two or more vertical raw bamboos 3 are arranged parallel to the central axis of the groove of the profiled steel plate 1, and the hollow tubes 4 are arranged in the through holes 7 on the surface of the longitudinal raw bamboos 1. Its bottom end is supported on the upper surface of the profiled steel plate 1, and ensures that the stud 2 passes through the inner cavity of the hollow tube 4;

F. Binding and arranging steel mesh: binding steel bars to form steel mesh 6, when arranging steel mesh 6, pads can be set to avoid direct laying of steel bars to the ribs and grooves of the profiled steel plate;

G. Pouring concrete: pouring concrete 5 on the profiled steel plate 1, the concrete 5 fills the inner cavity of the through hole 7 and completely wraps the studs 2, and the concrete 5 is poured on the upper part of the profiled steel plate 1 and wraps the steel mesh 6 to form A profiled steel plate-original bamboo-concrete composite floor slab.

Claims (4)

1. a profiled steel plate-original bamboo-concrete composite floor, comprising profiled steel plate (1), studs (2), vertical original bamboo (3), hollow pipe (4), concrete (5), steel mesh ( 6) Common composition, characterized in that two or more pegs (2) are welded at intervals on the central axis of each groove of the profiled steel plate (1), and the longitudinal original bamboos (3) containing natural bamboo joints (31) are arranged at intervals in the transverse direction At the central axis of the groove of the profiled steel plate (1), its number is equal to the number of notches, the longitudinal axis of the longitudinal original bamboo (3) is parallel to the longitudinal axis of the profiled steel plate (1), and the longitudinal axis of the original bamboo (3) ) on the upper and lower surfaces corresponding to the position of each peg (2) is provided with a through hole (7) with a diameter smaller than the inner diameter of the longitudinal raw bamboo (3), and a corresponding hollow tube (4) is provided at the corresponding position of each through hole (7). ) vertically through each through-hole (7), the outer diameter of the hollow tube (4) is the same as the inner diameter of the through-hole (7), and its outer wall and the inner wall of the through-hole (7) are closely fitted and frictionally connected, and the hollow tube (4) The bottom end of the bottom is placed on the upper surface of the profiled steel plate (1), and its top is not lower than the upper surface of the longitudinal original bamboo (3), the peg (2) passes through the inner cavity of the through hole (7), and the peg (2 ) bottom end is welded to the upper surface of the profiled steel plate (1), the top surface of the hollow tube (4) is not less than 20 mm exposed, and the concrete (5) is filled in the inner cavity of the through hole (7) and completely wraps the stud (2 ), concrete (5) is poured on the top of the profiled steel plate (1), and a reinforcement mesh (6) is laid inside it. 2. A profiled steel plate-original bamboo-concrete composite floor slab according to claim 1, characterized in that the shape between the grooves of the profiled steel plate (1) is one of open type, closed type or necked type . 3. A profiled steel plate-original bamboo-concrete composite floor according to claim 1, characterized in that the gap between the bottom surface of the longitudinal original bamboo (3) and the upper surface of the profiled steel plate (1) is 0-50mm . 4. A profiled steel plate-original bamboo-concrete composite floor according to claim 1, characterized in that the position and quantity of the hollow tubes (4) correspond to the through holes (7), and it is made of original bamboo.