CN221143131U - Traceless directional heat expansion and cold contraction resistant structure and concrete slab block thereof - Google Patents

Abstract

The utility model discloses a traceless directional heat expansion and cold contraction resistant structure. The support body is formed by combining two M-shaped plates in a mirror image mode, and the frame body is surrounded outside the support body to play a fixing role. The traceless directional heat expansion and cold contraction resistant structure and the concrete slab thereof have the advantages of simple structure and low cost, the integral rigidity effect of the concrete slab is improved, the service life of the concrete slab is prolonged, and the aesthetic appearance of the smooth and flawless surface of the concrete slab and the social benefit of no harm to the environment are increased.

Description

Traceless directional heat expansion and cold contraction resistant structure and concrete slab block thereof

Technical Field

The utility model relates to the technical field of concrete slabs, in particular to a traceless directional heat expansion and cold contraction resistant structure and a concrete slab thereof.

Background

The concrete slab is a plate commonly used in building construction, and the phenomenon of thermal expansion and cold shrinkage can occur in hot or cold seasons, so the thermal expansion and cold shrinkage resistance of the concrete slab are generally considered in the manufacture of the concrete slab, and the technical scheme of the thermal expansion and cold shrinkage resistance of the existing concrete slab is that a certain distance is reserved between the concrete slabs, and then a telescopic filling material is added. The prior art scheme has the following defects: 1. the concrete slab separated by the seam loses the integral rigidifying effect; 2. the service life of the filling material is short, and certain construction difficulty is caused when the filling material is replaced, and particularly temporary construction in public places can influence the passing of surrounding residents; 3. the filling material is generally toxic and harmful chemical substances, and the exposed filling material pollutes the surrounding environment.

Disclosure of utility model

The utility model aims to provide a traceless directional heat expansion and cold contraction resistant structure and a concrete slab manufactured by using the same, and the traceless directional heat expansion and cold contraction resistant structure is simple in structure and high in safety and stability.

The utility model discloses a traceless directional heat expansion and cold contraction resistant structure, which comprises a support body and a frame body encircling the support body, wherein the support body is formed by combining two M-shaped plates in a mirror image mode, and the frame body is encircled outside the support body to play a role in fixing.

Preferably, the frame body comprises a first steel bar, a second steel bar and a third steel bar, the first steel bar and the third steel bar are respectively arranged on the upper plane and the lower plane of the support body, and the second steel bar is respectively connected with the first steel bar and the third steel bar at two ends of the V-shaped side of the support body.

Preferably, one end of the first steel bar is provided with a hook body, and two ends of the second steel bar and the third steel bar are provided with hook bodies.

Preferably, the upper and lower planes of the support body are provided with reinforcing steel bar grooves for embedding and installing the first and third reinforcing steel bars, and limiting structures are arranged in the reinforcing steel bar grooves and used for fixing the reinforcing steel bar grooves without moving.

Preferably, both edges of the M-shape are higher than the height of the V-shape angle.

The second technical scheme of the utility model discloses a concrete slab, which adopts the traceless directional structure for resisting thermal expansion and cold contraction, wherein the center of the support body is filled with a foam layer, and the whole structure is poured to form the concrete slab.

Preferably, the concrete slab can be further provided with reinforcing steel bars.

The seamless directional heat expansion and cold contraction resistant structure is simple in structure and low in cost, and two sets of opposite corner point structures are arranged in sections in concrete by utilizing M-shaped battens, so that an endogenous heat expansion and cold contraction containing space is provided; the hooked steel bars are mutually interlocked to define a stable steel structure, so that a strong 'fort' with intrinsic heat expansion and cold contraction resistance is provided, and the stress change of heat expansion and cold contraction is directionally released in the 'fort' range. The utility model improves the overall rigidity effect and the service life of the concrete plate, and increases the aesthetic feeling of the smooth and flawless appearance of the concrete plate surface and the social benefit of no harm to the environment.

Drawings

Fig. 1 is a schematic structural diagram of a seamless oriented thermal expansion and contraction resistant structure according to the present embodiment.

Fig. 2 is a schematic structural view of an M-shaped board according to the present embodiment.

Fig. 3 is a schematic structural diagram of a reinforcing steel bar frame in this embodiment.

In the figure: the support body 1, the frame body 2, the M-shaped plate 11, the foam layer 12, the first reinforcing steel bar 21, the first hook body 211, the second reinforcing steel bar 22, the second hook body 221, the third reinforcing steel bar 23, the third hook body 231, the bolt 24, the edge 111 and the V-shaped angle 112.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are within the protection scope of the present utility model.

An embodiment, referring to fig. 1 to 3, of a traceless directional structure for resisting thermal expansion and cold contraction in this embodiment includes:

The support body 1 and enclose the framework 2 outside the support body, the support body is mirror image combination by two M template 11 and becomes, and the framework encloses and plays the fixed action outside the support body.

The frame body in this embodiment includes first reinforcing bar 21, second reinforcing bar 22, third reinforcing bar 23, first reinforcing bar, third reinforcing bar set up respectively at the upper and lower plane of support body, and the second reinforcing bar sets up at support body V-arrangement side both ends and is connected with first reinforcing bar, third reinforcing bar respectively.

In this embodiment, a hook 211 is disposed at one end of the first steel bar 21, and a second hook 221 and a third hook 231 are disposed at two ends of the second steel bar 22 and the third steel bar 23 respectively.

In this embodiment, the upper and lower planes of the support body are provided with the reinforcement groove 113 for embedding and installing the first and third reinforcement, and the reinforcement groove is provided with a limit structure for fixing the reinforcement groove against movement.

The M-shaped plate in this embodiment is a thin strip of plastic material, and the two outer edges 111 of the M-shape are slightly higher than the height of the included V-shaped corners 112, leaving a suitable space for the two corners to face each other.

The manufacturing method comprises the following steps: the two M-shaped strips are placed on a workbench to be temporarily folded (the two corner tips are opposite at a proper distance, the two ends are also temporarily closed, then a fluid foam layer 12 is injected into the inner surface, after the foam is solid, the two sides of the two M-shaped hollow strips containing V-shaped angles are fully packed and connected into a whole, and the M-shaped plastic strips are supported, so that the two M-shaped strips bear various stresses applied during the concrete vibration pump. The composite member (hereinafter referred to as composite member) formed by the whole plastic and the foam forms a buffer zone for resisting thermal expansion and cold contraction in the concrete slab.

First reinforcing bars (the length is that the two ends extend to be properly increased than the width of the composite member and are used for hooking concrete blocks at two sides) are placed in the reinforcing bar grooves of the lower bottom plate of the composite member.

The second reinforcing steel bars are arranged outside the two sides of the composite member, and are arranged inside two limit construction points set on the first reinforcing steel bars.

And the third steel bar passes through two U-shaped openings above the conjoined hooks from a steel bar groove of the upper bottom plate of the composite member (one limiting structure is blocked by the conjoined hooks).

The two limit points of the first steel bar, one limit point of the third steel bar, the second steel bar and the composite member are mutually fixed into three-dimensional cross points by the previous operation, and the rest three-dimensional cross points are fixed by other methods.

Limiting points of the first reinforcing steel bar and the third reinforcing steel bar in the embodiment are fixed by bolts 24.

In the second embodiment, the traceless directional heat expansion and cold contraction resistant structure is adopted, the foam layer is filled in the center of the support body, then the concrete layer is poured on the whole structure to form a concrete slab, and reinforcing ribs can be arranged on the structure body according to a conventional means during pouring.

The natural three-dimensional fixing technology designed by the utility model is practical, and saves labor and materials.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (6)

1. The utility model provides a no trace directional heat and cold shrinkage resistant structure, its characterized in that includes the supporter and surrounds the framework outside the supporter, the supporter is mirror image group by two M templates and becomes, and the framework surrounds and plays the fixed action outside the supporter, the framework includes first reinforcing bar, second reinforcing bar, third reinforcing bar, first reinforcing bar, third reinforcing bar set up respectively at the upper and lower plane of supporter, and the second reinforcing bar sets up at supporter V-arrangement side both ends and is connected with first reinforcing bar, third reinforcing bar respectively.

2. The traceless directional expansion and contraction resistant structure according to claim 1, wherein one end of the first steel bar is provided with a hook body, and two ends of the second steel bar and the third steel bar are provided with hook bodies.

3. The traceless directional expansion and contraction resistant structure according to claim 2, wherein a reinforcement groove is formed in the upper and lower planes of the support body, the reinforcement groove is used for embedding and mounting the first and third reinforcements, and a limit structure is arranged in the reinforcement groove and used for fixing the reinforcement groove against movement.

4. A traceless directional thermal expansion and contraction resistant structure according to claim 3 wherein the two sides of the M-shape are higher than the height of the V-shape angle.

5. A concrete slab made of the traceless directional heat expansion and cold contraction resistant structure according to claim 4, wherein the foam layer is filled in the center of the supporting body, and the concrete layer is poured in the whole structure.

6. The concrete slab of claim 5, further comprising reinforcing bars.