A high-strength composite noise-reducing floor structure

Abstract

The present invention relates to a high-strength composite noise-reducing floor structure, which is characterized by comprising a floor body and a noise-reducing layer; the noise-reducing layer is arranged on the upper and lower sides of the floor body; the steel mesh group of the floor is installed in an assembled manner, the steel mesh group adopts a regular hexagon as a basic unit, and a three-eye disc-type latch seat is used as a connection point at the connection; no on-site binding is required, which improves the assembly efficiency; prestressed tendons are used to connect the steel mesh groups, which increases the strength of the floor; noise-reduction holes are provided in the EPS insulation layer, which improves the noise reduction efficiency of the floor structure; an anti-cracking mesh cloth is provided in the concrete layer, which ensures the anti-cracking performance of the concrete layer and improves the service life of the composite noise-reducing floor.

Description

Technical Field

[0001] The present invention relates to the field of high-strength noise-reducing floor slabs, and in particular to a high-strength composite noise-reducing floor slab structure. Background Art

[0002] With the increasing demand for energy conservation, the performance of prefabricated building wall panels and their comprehensive technical indicators such as durability, reliability and strength are attracting more and more attention. With the improvement of construction efficiency, the noise reduction layer installed on the traditional building floor is installed after the floor structure is assembled, and then the noise reduction board and other structures are installed on the surface; this leads to low overall assembly efficiency; therefore, there is a need for a prefabricated floor that can realize the simultaneous formation of the floor and the noise reduction layer structure to improve assembly efficiency; In addition, the internal steel bars of the traditional building floor structure are formed by tying steel bars to form a steel mesh, and then pouring concrete, which is easy to lead to low construction efficiency, long construction period and high cost. In particular, when constructing the steel mesh inside the floor, a lot of manual work needs to be carried out on site, which is long, inefficient, and difficult to ensure stable and reliable quality. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a high-strength composite noise-reducing floor structure, which can solve the problem that general noise-reducing floors use the method of laying noise-reducing boards on the surface of the floor to reduce noise, and need to lay them after the internal floor is completed, resulting in low efficiency; and the problem that the steel mesh inside the floor is constructed by tying steel bars, resulting in low production efficiency.

[0004] To solve the above technical problems, the technical solution of the present invention is: a high-strength composite noise-reducing floor structure, the innovation of which is that it includes a floor body and a noise-reducing layer; the noise-reducing layer is arranged on the upper and lower sides of the floor body;

[0005] The floor body includes a floor frame, a steel mesh group and prestressed tendons; the floor frame includes an outer floor frame and an inner floor frame; the outer floor frame and the inner floor frame are both rectangular frame structures, the inner floor frame is placed inside the outer floor frame, and the ends of the inner floor frame along the length direction of the inner floor frame are flush with the ends of the outer floor frame; the inner floor frame has two sides along the width direction of the inner floor frame, one side is placed inside the side edge of the outer floor frame, and the other side is placed outside the outer floor frame; the thickness of the inner floor frame is less than the thickness of the outer floor frame, and the end corners of the outer floor frame are connected to the corresponding end corners of the inner floor frame by diagonal rods, so that the side edges of the inner floor frame in the width direction and the side edges of the outer floor frame in the width direction respectively form inwardly concave self-centering guide grooves and outwardly convex self-centering guide strips; the steel mesh group is laid on the four circumferential sides of the inner floor frame, and the edges of the steel mesh group are welded to the edges of the inner floor frame;

[0006] The prestressed tendons are staggered in the horizontal direction, connected between the four circumferential sides of the floor slab inner frame on which the steel mesh group is laid, and the ends of the prestressed tendons are connected to the steel mesh group;

[0007] The noise reduction layer includes an EPS insulation layer, an alkali-resistant glass fiber mesh, a polymer mortar layer, and a finishing layer; the EPS insulation layer, polymer mortar layer, and finishing layer are arranged in sequence from the inside to the outside; the alkali-resistant glass fiber mesh is cast in the polymer mortar layer; the EPS insulation layer has a plurality of cylindrical noise reduction holes staggered along the extension direction of the floor slab, and a plurality of pyramid-shaped grooves are provided on the inner surface of the noise reduction holes;

[0008] The inner wall of the polymer mortar layer is also provided with a plurality of dovetail grooves distributed in parallel along the extension direction of the polymer mortar layer; the outer wall of the EPS insulation layer is provided with a plurality of dovetail strips, and the dovetail strips are distributed along the extension direction of the polymer mortar layer and cooperate with the dovetail grooves in the polymer mortar layer.

[0009] Furthermore, the steel mesh group includes a three-eye disc pin seat and connecting steel bars; the three-eye disc pin seat includes a sleeve, and three circumferentially evenly distributed ring buckles are made on the sleeve, and a conical pin eye for accommodating the pin head is formed between the ring buckle and the sleeve; the ring buckle is provided with a threaded hole that passes through the corresponding conical pin eye; the end of the connecting steel bar is provided with a pin head; the pin head is embedded in the conical pin eye of the three-eye disc pin seat, and the pin head is pressed into the conical pin eye by a bolt passing through the threaded hole on the ring buckle; the three connecting steel bars in the connecting steel bars share a three-eye disc pin seat, and the connecting steel bars are connected through the three-eye disc pin seat to form a regular hexagonal structure as the regular hexagonal basic unit of the steel mesh group, and the regular hexagonal basic units are spliced into the steel mesh group.

[0010] Furthermore, the end of the prestressed tendon is embedded in the sleeve of the three-eye disc pin seat; the prestressed tendon includes a main steel bar and a secondary steel bar group; the main steel bar includes a first steel bar, a second steel bar and a third steel bar; the first steel bar, the second steel bar and the third steel bar have the same diameter and are distributed in a triangular shape; the secondary steel bar group includes a first secondary steel bar and a second secondary steel bar, the first secondary steel bar and the second secondary steel bar are in a wavy structure, and the wavy structure of the first secondary steel bar is welded to the first steel bar and the second steel bar along the extension direction of the first steel bar and the second steel bar; the wavy structure of the second secondary steel bar is welded to the first steel bar and the third steel bar along the extension direction of the first steel bar and the third steel bar; the welding point of the first secondary steel bar and the second steel bar is located on the inner side of the second steel bar; the welding point of the second secondary steel bar and the third steel bar is located on the inner side of the third steel bar.

[0011] The advantages of the present invention are:

[0012] 1) The steel mesh group of the floor slab in the present invention is installed in an assembled manner. The steel mesh group adopts a regular hexagon as the basic unit, and a three-eye disc-type pin seat is used as the connection point at the connection point; no on-site binding is required, which improves the assembly efficiency; prestressed tendons are used to connect the steel mesh groups, which increases the strength of the floor slab; by providing noise reduction holes in the EPS insulation layer, the noise reduction efficiency of the floor slab structure is improved; an anti-cracking mesh cloth is provided in the concrete layer to ensure the crack resistance of the concrete layer and increase the service life of the composite noise reduction floor slab. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0014] Figure 1 It is a side view schematic diagram of a high-strength composite noise reduction floor structure of the present invention.

[0015] Figure 2 This is a structural diagram of the steel mesh group and prestressed tendons assembly of a high-strength composite noise reduction floor structure of the present invention.

[0016] Figure 3 This is a cross-sectional view of the prestressed tendons of a high-strength composite noise-reducing floor structure of the present invention. DETAILED DESCRIPTION

[0017] The following embodiments may enable those skilled in the art to more fully understand the present invention, but the present invention is not limited to the scope of the embodiments.

[0018] like Figures 1 to 3 The high-strength composite noise reduction floor structure shown includes a floor body 1 and a noise reduction layer 2; the noise reduction layer 2 is arranged on the upper and lower sides of the floor body 1.

[0019] The floor body 1 includes a floor frame 11, a steel mesh group 12 and prestressed tendons 13; the floor frame 11 includes an outer floor frame 111 and an inner floor frame 112; the outer floor frame 111 and the inner floor frame 112 are both rectangular parallelepiped frame structures, the inner floor frame 112 is placed inside the outer floor frame 111, and the end of the inner floor frame 112 along the length direction of the inner floor frame 112 is flush with the end of the outer floor frame 111; the inner floor frame 112 has two sides along the width direction of the inner floor frame 112, one of which is placed inside the side of the outer floor frame 111 , and the other side is placed on the outside of the floor outer frame 111; the thickness of the floor inner frame 112 is less than the thickness of the floor outer frame 111, and the end corners of the floor outer frame 111 are connected to the corresponding end corners of the floor inner frame 112 by diagonal rods, so that the side edges of the floor inner frame 112 in the width direction and the side edges of the floor outer frame 111 in the width direction respectively form inwardly concave self-centering guide grooves and outwardly convex self-centering guide strips; the steel mesh group 12 is laid on the four circumferential sides of the floor inner frame 112, and the edges of the steel mesh group 12 are welded to the edges of the floor inner frame 112.

[0020] The prestressed tendons 13 are staggered in the horizontal direction. The prestressed tendons 13 are connected between the four circumferential side surfaces of the floor slab inner frame 112 where the steel mesh group 12 is laid. The ends of the prestressed tendons 13 are connected to the steel mesh group 12.

[0021] The noise reduction layer 2 includes an EPS insulation layer 21, an alkali-resistant glass fiber mesh cloth 22, a polymer mortar layer 23 and a finishing layer 24; the EPS insulation layer 21, the polymer mortar layer 23 and the finishing layer 24 are arranged in sequence from the inside to the outside; the alkali-resistant glass fiber mesh cloth 22 is cast in the polymer mortar layer 23; the EPS insulation layer 21 has a plurality of cylindrical noise reduction holes 25 staggered along the extension direction of the floor slab, and a plurality of pyramid-shaped grooves are provided on the inner surface of the noise reduction hole 25.

[0022] The inner wall of the polymer mortar layer 23 is also provided with a plurality of dovetail grooves distributed in parallel along the extension direction of the polymer mortar layer 23; the outer wall of the EPS insulation layer 21 is provided with a plurality of dovetail strips, and the dovetail strips are distributed along the extension direction of the polymer mortar layer and cooperate with the dovetail grooves in the polymer mortar layer 23.

[0023] The steel mesh group 12 includes a three-eye disc pin seat 121 and a connecting steel bar 122; the three-eye disc pin seat 121 includes a sleeve 123, and three circumferentially evenly distributed ring buckles 124 are formed on the sleeve, and a tapered pin eye for accommodating the pin head is formed between the ring buckle 124 and the sleeve 123; a threaded hole is provided on the ring buckle 124 that passes through the corresponding tapered pin eye; a pin head 125 is provided at the end of the connecting steel bar 122; the pin head 124 is embedded in the tapered pin eye of the three-eye disc pin seat 121, and the pin head is pressed into the tapered pin eye by a bolt passing through the threaded hole on the ring buckle 124; the three connecting steel bars 122 in the connecting steel bar 122 share a three-eye disc pin seat 121, and the connecting steel bars 122 are connected through the three-eye disc pin seat 121 to form a regular hexagonal structure as the regular hexagonal basic unit of the steel mesh group 12, and the regular hexagonal basic units are spliced into the steel mesh group 12.

[0024] The end of the prestressed tendon 13 is embedded in the sleeve of the three-eye disc pin seat 121; the prestressed tendon 13 includes a main steel bar 131 and a secondary steel bar group 132; the main steel bar 131 includes a first steel bar 133, a second steel bar 134 and a third steel bar 135; the first steel bar 133, the second steel bar 134 and the third steel bar 135 have the same diameter and are distributed in a triangular shape; the secondary steel bar group 132 includes a first secondary steel bar 136 and a second secondary steel bar 137, the first secondary steel bar 136 and the second secondary steel bar 137 are wavy structures, and the first secondary steel bar The wavy structure of the rib 136 is welded to the first steel bar 133 and the second steel bar 134 along the extension direction of the first steel bar 133 and the second steel bar 134; the wavy structure of the second auxiliary steel bar 136 is welded to the first steel bar 133 and the third steel bar 135 along the extension direction of the first steel bar 133 and the third steel bar 135; the welding point of the first auxiliary steel bar 136 and the second steel bar 134 is located on the inner side of the second steel bar 134; the welding point of the second auxiliary steel bar 137 and the third steel bar 135 is located on the inner side of the third steel bar 135.

[0025] Those skilled in the art will appreciate that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength composite noise-reducing floor structure, characterized by: It includes a floor body and a noise reduction layer; the noise reduction layer is arranged on the upper and lower sides of the floor body; The floor body includes a floor frame, a steel mesh group and prestressed tendons; the floor frame includes an outer floor frame and an inner floor frame; the outer floor frame and the inner floor frame are both rectangular frame structures, the inner floor frame is placed inside the outer floor frame, and the ends of the inner floor frame along the length direction of the inner floor frame are flush with the ends of the outer floor frame; the inner floor frame has two sides along the width direction of the inner floor frame, one side is placed inside the side edge of the outer floor frame, and the other side is placed outside the outer floor frame; the thickness of the inner floor frame is less than the thickness of the outer floor frame, and the end corners of the outer floor frame are connected to the corresponding end corners of the inner floor frame by diagonal rods, so that the side edges of the inner floor frame in the width direction and the side edges of the outer floor frame in the width direction respectively form inwardly concave self-centering guide grooves and outwardly convex self-centering guide strips; the steel mesh group is laid on the four circumferential sides of the inner floor frame, and the edges of the steel mesh group are welded to the edges of the inner floor frame; The prestressed tendons are staggered in the horizontal direction, connected between the four circumferential sides of the floor slab inner frame on which the steel mesh group is laid, and the ends of the prestressed tendons are connected to the steel mesh group; The noise reduction layer includes an EPS insulation layer, an alkali-resistant glass fiber mesh, a polymer mortar layer, and a finishing layer; the EPS insulation layer, polymer mortar layer, and finishing layer are arranged in sequence from the inside to the outside; the alkali-resistant glass fiber mesh is cast in the polymer mortar layer; the EPS insulation layer has a plurality of cylindrical noise reduction holes staggered along the extension direction of the floor slab, and a plurality of pyramid-shaped grooves are provided on the inner surface of the noise reduction holes; The inner wall of the polymer mortar layer is also provided with a plurality of dovetail grooves distributed in parallel along the extension direction of the polymer mortar layer; the outer wall of the EPS insulation layer is provided with a plurality of dovetail strips, and the dovetail strips are distributed along the extension direction of the polymer mortar layer and cooperate with the dovetail grooves in the polymer mortar layer; The steel mesh group includes a three-eye disc pin seat and connecting steel bars; the three-eye disc pin seat includes a sleeve, and three circumferentially evenly distributed ring buckles are formed on the sleeve, and a conical pin eye for accommodating a pin head is formed between the ring buckle and the sleeve; the ring buckle is provided with a threaded hole that passes through the corresponding conical pin eye; the end of the connecting steel bar is provided with a pin head; the pin head is embedded in the conical pin eye of the three-eye disc pin seat, and the pin head is pressed into the conical pin eye by a bolt passing through the threaded hole on the ring buckle; the three connecting steel bars in the connecting steel bars share a three-eye disc pin seat, and the connecting steel bars are connected through the three-eye disc pin seat to form a regular hexagonal structure as a regular hexagonal basic unit of the steel mesh group, and the regular hexagonal basic units are spliced into the steel mesh group.

2. The high-strength composite noise reduction floor structure according to claim 1, characterized in that: The end of the prestressed tendon is embedded in the sleeve of the three-eye disc pin seat; the prestressed tendon includes a main steel bar and a secondary steel bar group; the main steel bar includes a first steel bar, a second steel bar and a third steel bar; the first steel bar, the second steel bar and the third steel bar have the same diameter and are distributed in a triangular shape; the secondary steel bar group includes a first secondary steel bar and a second secondary steel bar, the first secondary steel bar and the second secondary steel bar are in a wavy structure, and the wavy structure of the first secondary steel bar is welded to the first steel bar and the second steel bar along the extension direction of the first steel bar and the second steel bar; the wavy structure of the second secondary steel bar is welded to the first steel bar and the third steel bar along the extension direction of the first steel bar and the third steel bar; the welding point of the first secondary steel bar and the second steel bar is located on the inner side of the second steel bar; the welding point of the second secondary steel bar and the third steel bar is located on the inner side of the third steel bar.

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