CN216007667U

CN216007667U - Cast-in-place structure of pre-buried double track combination vibration girder steel

Info

Publication number: CN216007667U
Application number: CN202122428159.1U
Authority: CN
Inventors: 沈海林; 钱飞; 刘仁鲁
Original assignee: Jiangsu Qian Construction Group Co ltd
Current assignee: Jiangsu Qian Construction Group Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-11
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to a construction technical field discloses a cast-in-place structure of pre-buried double track combination vibration girder steel, including concrete layer, nested pre-buried double track and a plurality of reinforcing bar in the concrete layer, a plurality of reinforcing bar vertically and horizontally staggered arrangement, the upper end of reinforcing bar can be dismantled and be connected with pre-buried double track, and pre-buried double track upper surface flushes with concrete layer's upper surface. The utility model discloses the concrete layer upper surface is fine and close not have the crackle, level and smooth bright and clean, look and feel good, have application scope wide, the construction is swift, advantage with low costs.

Description

Cast-in-place structure of pre-buried double track combination vibration girder steel

Technical Field

The utility model relates to a construction field especially relates to a cast-in-place structure of pre-buried double track combination vibration girder steel.

Background

In the industrial building terrace construction process, the traditional construction process only carries out local elevation control, and other positions completely depend on the manual skill of operating personnel and visual construction, and local terrace mark height fluctuation appears very easily, influences the whole roughness and the levelness of floor, seriously influences the user demand. Engineering buildings with high requirements on the flatness of the terrace, such as the logistics industry, are affected more seriously.

The traditional construction process is not suitable for the construction of the large-area fine concrete terrace, the floor construction is usually an important node on a key line of engineering construction, the construction quality is ensured, meanwhile, the construction speed must be considered, and the large challenge is brought to the terrace engineering construction.

For those skilled in the art, the improvement of the surface flatness of large-area concrete terrace is an urgent technical problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cast-in-place structure of pre-buried double track combination vibration girder steel to solve the poor problem of above-mentioned prior art terrace construction roughness.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a cast-in-place structure of pre-buried double track combined vibration girder steel, including concrete layer, nestification be in intraformational pre-buried double track of concrete and a plurality of reinforcing bar, a plurality of reinforcing bar vertically and horizontally staggered arrangement, the upper end of reinforcing bar can be dismantled and be connected with pre-buried double track, pre-buried double track upper surface with concrete layer's upper surface flushes.

Furthermore, the embedded double rails are two sliding rods.

Further, two slide bars are arranged in parallel, and the distance between the two slide bars is less than or equal to 5 m.

Furthermore, the reinforcing bar rigid coupling has vertical braces, vertical braces with the lateral wall of slide bar can be dismantled and be connected, vertical braces follows the equidistant arrangement of length direction of slide bar.

Further, the distance between the vertical supports along the length direction of the sliding rod is smaller than or equal to m.

Further, the vertical support is a screw rod, the lower end of the screw rod is fixedly connected with the reinforcing steel bar, a connecting plate is fixedly connected with the embedded double rails, and the connecting plate is detachably connected with the upper end of the screw rod through a nut.

Further, carborundum is spread on the upper surface of the concrete layer.

The utility model discloses a following technological effect:

(1) the upper surface of the concrete layer is compact, has no cracks, is flat and smooth and has good appearance.

(2) The method is suitable for construction of industrial buildings, markets, multi-storey warehouses and the like, and has a wide application range.

(3) The secondary construction cost of the building terrace is reduced, the constant load of the whole building is reduced, the span of the building is increased, the requirement of multi-range buildings is met, the construction is rapid, and the construction cost is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of the cast-in-place structure of the pre-buried double-track combined vibration steel beam of the utility model;

fig. 2 is another schematic view of the pre-buried double-track combined vibrating steel beam cast-in-place structure (without concrete layer) of the present invention;

FIG. 3 is an enlarged view of a portion of area A of FIG. 2;

reference numerals: 1. a concrete layer; 2. a slide bar; 3. reinforcing steel bars; 4. a screw; 5. a connecting plate; 6. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-3, the utility model provides a cast-in-place structure of pre-buried double track combination vibration girder steel, including concrete layer 1, pre-buried double track and a plurality of reinforcing bar 3, it has concrete layer 1 to fill around pre-buried double track and a plurality of reinforcing bar 3.

A plurality of reinforcing bar 3 is along horizontal direction vertically and horizontally staggered arrangement, and the upper end of reinforcing bar 3 can be dismantled and is connected with pre-buried double track, and pre-buried double track upper surface flushes with concrete layer 1's upper surface, and during the use, the height and the terrace design elevation of pre-buried double track are on same water flat line, and the walking vibrates the roof beam and carries out the operation at pre-buried double track upper surface, and pre-buried double track can guarantee that walking vibrates the roof beam construction elevation stable.

The embedded double tracks are two sliding rods 2, and the outermost side of each sliding rod 2 is circular or polygonal in cross section. The two slide bars 2 are one of the following cases: a) the outermost side sections of the two sliding rods 2 are both circular, the highest point of the circular shape is flush with the upper surface of the concrete layer 1, and the upper surfaces of the sliding rods 2 are two curves; b) the outermost side sections of the two sliding rods 2 are polygonal, the top surfaces of the polygons are flush with the upper surface of the concrete layer 1, and the upper surfaces of the sliding rods 2 are flat; c) the outermost side of one sliding rod 2 is circular in cross section, the highest point of the circular cross section is flush with the upper surface of the concrete layer 1, the outer cross section of the other sliding rod 2 is polygonal, the top surface of the polygon is flush with the upper surface of the concrete layer 1, and at the moment, the upper surface of the sliding rod 2 is a combination of a curve and a plane.

In the construction process, the height that vertical direction slided is guaranteed to walking vibrating beam's both ends utilization and slides pole 2, for guaranteeing walking vibrating beam's even running, two in this scheme slide pole 2 parallel arrangement, two slide pole 2's interval is less than or equal to 5 m.

Preferably, this scheme adopts pre-buried double track, and the construction mode of demolising after the finish, and then pre-buried double track and reinforcing bar 3 design into can dismantle the connection. The reinforcing bar 3 rigid coupling has vertical braces, and the welded technology mode can be adopted to the rigid coupling, and vertical braces and the lateral wall of slide bar 2 can be dismantled and be connected, and vertical braces are arranged along the length direction of slide bar 2 equidistant. Specifically, the vertical supports are spaced less than or equal to 1m along the length of the slide bar 2.

Preferably, vertical braces is screw rod 4, and screw rod 4's lower extreme and 3 rigid couplings of reinforcing bar, and the lateral wall rigid coupling of pre-buried double track has the connecting plate 5 of "L shape", and screw rod 4 passes connecting plate 5 and sets up, and screw rod 4's upper end spiro union has two nuts 6, and two nuts 6 set up respectively in the both sides of connecting plate 5, and screw rod 4 realizes dismantling through two nuts 6 and connecting plate and is connected.

In order to increase the wear resistance of the upper surface of the concrete layer 1, carborundum is spread on the upper surface of the concrete layer 1.

The utility model discloses a construction process way:

1. steel bar project construction: and laying and binding the steel bars 3.

2. Pre-burying double rails: fixing the embedded double rails on the steel bars 3, namely: and fixedly connecting the two sliding rods 2 on the steel bars 3, wherein the distance between the two sliding rods is less than or equal to 5 m. The reinforcing bar 3 rigid coupling has vertical braces, and vertical braces can adopt screw rod 4 or old and useless reinforcing bar etc. and vertical braces is 1m along the interval of 2 length direction of slide bar, and vertical braces's height should not exceed the upper surface of concrete layer 1. And after the installation is finished, infrared leveling is carried out, and the leveling is preferably carried out by adopting a five-wire instrument at night.

3. Pouring or leveling concrete: and pouring concrete and vibrating, and performing primary leveling, wherein the primary leveling can be completed by a tile worker team, a scraping rule is adopted for primary leveling after vibrating, and the error range of the primary leveling is +/-20 mm. And then, casting and tamping are carried out by adopting a walking vibrating beam and leveling.

4. Dismantling the double tracks: and (5) dismantling the pre-buried double tracks, filling concrete, and manually leveling.

5. And (3) surface finishing treatment on the concrete layer 1: and (3) filling the depression part on the upper surface of the concrete layer 1, and finely leveling by manually following, collecting and smearing.

6. Construction of the wear-resistant terrace: finishing the initial setting of the concrete 6-6.5 hours after the fine leveling is finished, and then carrying out the wear-resistant terrace construction by spreading the carborundum for the second time. The first spreading amount is two thirds of the total amount, the first spreading amount is smoothed and then ground by a polishing machine, the second spreading amount is one third of the total amount, the levelness is measured by a straight scraping rod, and the unevenness of the first spreading is adjusted. And mechanically polishing the upper surface of the concrete layer to lift the slurry and finish the slurry, and simultaneously smearing and retreating by a mechanical operator.

7. Protecting a finished product: and (4) protecting a finished product by adopting a plastic film, geotextile or a waste template.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a cast-in-place structure of pre-buried double track combination vibration girder steel, its characterized in that includes concrete layer (1), nestification pre-buried double track and a plurality of reinforcing bar (3), a plurality of in concrete layer (1) reinforcing bar (3) vertically and horizontally staggered arrangement, the upper end of reinforcing bar (3) can be dismantled and be connected with pre-buried double track, pre-buried double track upper surface with the upper surface of concrete layer (1) flushes.

2. The cast-in-place structure of the pre-buried double-rail combined vibration steel beam as claimed in claim 1, wherein the pre-buried double rails are two sliding rods (2).

3. The cast-in-place structure of the embedded double-rail combined vibration steel beam as claimed in claim 2, wherein the two sliding rods (2) are arranged in parallel, and the distance between the two sliding rods (2) is less than or equal to 5 m.

4. The cast-in-place structure of the embedded double-rail combined vibration steel beam as claimed in claim 2, wherein vertical supports are fixedly connected to the steel bars (3), the vertical supports are detachably connected with the side walls of the sliding rods (2), and the vertical supports are arranged at equal intervals along the length direction of the sliding rods (2).

5. The cast-in-place structure of the embedded double-rail combined vibration steel beam as claimed in claim 4, wherein the distance between the vertical supports along the length direction of the sliding rod (2) is less than or equal to 1 m.

6. The cast-in-place structure of pre-buried double track combination vibration girder steel of claim 4, characterized in that, vertical support is screw rod (4), the lower extreme of screw rod (4) with reinforcing bar (3) rigid coupling, pre-buried double track rigid coupling has connecting plate (5), connecting plate (5) with the upper end of screw rod (4) is through nut (6) detachable connection.