Embedded outside replaceable metal sound barrier structure

Abstract

The utility model belongs to the technical field of sound barriers, and particularly relates to a pre-embedded outside replaceable metal sound barrier structure. The metal sound barrier structure comprises a pre-embedded mounting base, a plurality of T-shaped steel stand columns are arranged on the upper portion of the mounting base, included angles between vertical plates and transverse plates of the T-shaped steel stand columns are used for positioning sound barrier unit plates, the outer sides of the vertical plates are connected with one side edge of angle steel through a plurality of bolts, and the other side edge of the angle steel is used for pressing and fixing the sound barrier unit plates. The mounting base comprises an embedded anchoring steel bar and an I-shaped steel lying strip, the anchoring steel bar is connected with a bottom plate of the I-shaped steel lying strip, a top plate of the I-shaped steel lying strip is connected with a beam plate of the H-shaped steel lying strip, and an outer side plate of the H-shaped steel lying strip is connected with a transverse plate of the T-shaped steel stand column through welding or bolts; the metal sound barrier structure is convenient to quickly disassemble, assemble and maintain, and has the characteristics that the embedded foundation is stable and firm, the sound barrier is convenient to assemble and replace, the maintenance cost is low, and the economic benefit is good.

Description

Technical Field

[0001] This utility model belongs to the field of sound barrier technology, specifically relating to a pre-embedded, externally replaceable metal sound barrier structure. Background Technology

[0002] Sound barriers are mainly used for noise reduction and sound insulation of highways, railways, bridges, elevated composite roads, and other noise sources. They can effectively reduce the impact of traffic noise on nearby residents, with metal sound barriers being the most widely used. However, after a certain number of years of use, existing sound barriers often become damaged due to wear and tear, and timely replacement and maintenance are difficult to achieve while the roads are in operation.

[0003] Currently, metal sound barriers generally require a pre-set installation foundation, such as an H-shaped steel column frame, for insertion and positioning. To enhance stability, after the concrete foundation is poured, disassembling and replacing the metal sound barrier is difficult, especially in bridge areas, where passage needs to be closed and the foundation removed. This greatly restricts the normal use of the bridge and significantly increases the maintenance and use costs of the metal sound barrier. Utility Model Content

[0004] The purpose of this utility model is to provide a metal sound barrier structure that is easy to disassemble and maintain quickly. It features a stable and solid pre-embedded foundation, convenient assembly and replacement of the sound barrier, and low maintenance cost and good economic benefits.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A pre-embedded, replaceable external metal sound barrier structure is characterized by: including a pre-embedded mounting base, with multiple T-shaped steel columns installed on the upper part of the mounting base; the angle between the vertical and horizontal plates of the T-shaped steel columns is used to position the sound barrier unit panels; one side of the vertical plate is connected to an angle steel by several bolts, and the other side of the angle steel is used to press and fix the barrier unit panels; the mounting base includes pre-embedded anchoring steel bars and I-shaped steel strips; the anchoring steel bars are connected to the bottom plate of the I-shaped steel strips; the top plate of the I-shaped steel strips is connected to the beam plate of the H-shaped steel strips; and the outer plate of the H-shaped steel strips is connected to the horizontal plate of the T-shaped steel columns by welding or bolts.

[0007] Additional technical features constituting the above-mentioned pre-embedded external replacement type metal sound barrier structure also include:

[0008] —The inner side plate of the H-shaped steel strip is connected to the anti-collision wall assembly. The anti-collision wall assembly includes multiple H-shaped steel columns and a concrete slab. The two sides of the concrete slab are placed in the grooves of the adjacent H-shaped steel columns, and several prestressed steel bars are embedded in the concrete slab.

[0009] The mounting base comprises a foundation platform arranged below the sound barrier unit plate, the foundation platform is formed by pouring concrete, a plurality of reinforcing bars are embedded in the interior of the foundation platform, the foundation platform is close to the horizontal plate of the T-shaped steel column, or the foundation platform is arranged at the included angle between the vertical plate and the horizontal plate of the adjacent T-shaped steel column on both sides respectively;

[0010] The sound barrier unit plate comprises a C-shaped back plate, a reinforced concrete plate, a rock wool sound absorption plate and a foamed aluminum panel which are sequentially arranged in the interior of the C-shaped back plate, the rock wool sound absorption plate is provided with a plurality of embedding grooves, reinforcing bars are arranged in the embedding grooves, and end cap plates are arranged on the left side and the right side of the C-shaped back plate;

[0011] The vertical plate of the T-shaped steel column is provided with a rectangular flange extending outward, the rectangular flanges are distributed at intervals, one side edge of the angle steel is connected with the rectangular flange through a plurality of bolts, and elastic rubber sheets are arranged between the other side edge of the angle steel and the sound barrier unit plate;

[0012] A hoisting hole is arranged at the upper portion of the T-shaped steel column, the horizontal plate of the T-shaped steel column is provided with a binding rope for binding and restraining the sound barrier unit plate, and elastic rubber pads are arranged between the horizontal plate of the T-shaped steel column and the sound barrier unit plate;

[0013] A concrete cover plate is arranged at the upper portion of the H-shaped steel lying strip, and a linear groove cavity is formed between the concrete cover plate and the beam plate of the H-shaped steel lying strip.

[0014] Compared with the prior art, the pre-buried outer replacement type metal sound barrier structure has the following advantages: the sound barrier structure comprises a pre-buried mounting base, a plurality of T-shaped steel columns are arranged between the sound barrier unit plates installed on the base, the included angle between the vertical plate and the horizontal plate of the T-shaped steel column can effectively position the sound barrier unit plate, the one side edge of the angle steel is connected with the rectangular flange outside the vertical plate through a plurality of bolts, and the other side edge of the angle steel is pressed and fixed on the sound barrier unit plate, the structure is convenient for mounting and dismounting the sound barrier unit plate from the outside of the base, avoids the problems that the inner side road needs to be closed during the maintenance of the traditional sound barrier, affects the vehicle passing and the like, and the dismounting process is very convenient, the updating and maintenance efficiency is high, and the cost is low; secondly, the mounting base comprises pre-buried anchoring steel bars and H-shaped steel lying strips, the anchoring steel bars are connected with the bottom plate of the H-shaped steel lying strip, the top plate of the H-shaped steel lying strip is connected with the beam plate of the H-shaped steel lying strip, and the outer side plate of the H-shaped steel lying strip is connected with the horizontal plate of the T-shaped steel column through welding or bolts, the assembly foundation of the composite structure can be effectively combined with the roadbed construction, improves the stability of the sound barrier, is convenient for the later sound barrier installation construction, realizes the mutual independence of the foundation construction and the equipment installation, has high construction efficiency, does not affect the replacement and maintenance of the sound barrier unit plate in the later period, and has the advantages of reasonable structure, compact layout, convenient use, safety and durability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1The utility model provides a structure diagram of a pre-buried outer side replacement type metal sound barrier.

[0016] Fig. 2 It is a side view of the unit plate of the metal sound barrier.

[0017] Fig. 3 It is a partial top view of the structure of the metal sound barrier. DETAILED DESCRIPTION

[0018] The utility model provides a structure and working principle of a pre-buried outer side replacement type metal sound barrier are further explained in detail below, obviously, the described embodiment only is a part embodiment of the utility model, is not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skilled person in the art obtains without making creative labor belong to the range of protection of the utility model.

[0019] In the description of the utility model, unless otherwise specified, the orientation or position relation indicated by the terms "inner / outer", "top / bottom", "upper / lower" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0020] It should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "setting / being provided with" should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrally connected, can be mechanically connected, can also be electrically connected, can be directly connected, or indirectly connected through an intermediate medium. For the ordinary skilled person in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0021] As Figs. 1-3 The structure of the pre-buried outer side replacement type metal sound barrier includes a pre-buried mounting base a, a plurality of T-shaped steel columns 1 are arranged on the upper part of the mounting base a, the included angle of the vertical plate 11 and the horizontal plate 12 of the T-shaped steel column 1 is used for positioning the sound barrier unit plate 2, the outer side of the vertical plate 11 is connected with the one side edge of the angle steel through a plurality of bolts, and the other side edge of the angle steel is used for pressing and covering the fixed barrier unit plate 2, the mounting base a includes pre-buried anchoring steel bars and I-shaped steel lying strips, the anchoring steel bars are connected with the bottom plate of the I-shaped steel lying strip, the top plate of the I-shaped steel lying strip is connected with the beam plate of the H-shaped steel lying strip, and the outer side plate of the H-shaped steel lying strip is connected with the horizontal plate 12 of the T-shaped steel column 1 through welding or bolt connection.

[0022] The working principle is that the metal sound barrier structure comprises a pre-buried mounting base a and a sound barrier unit plate 2 arranged thereon, a plurality of T-shaped steel columns 1 are arranged on the mounting base a, the included angle of the vertical plate 11 and the horizontal plate 12 is used for positioning the sound barrier unit plate 2, the horizontal plate 12 of the T-shaped steel column 1 is towards the road side, and the vertical plate 11 outside is fixed with the sound barrier unit plate 2 through the angle steel 3, so that the unit plate 2 is convenient to install and dismount from the outside of the roadbed, and convenient to replace and maintain in the later period, that is, the outside of the vertical plate 11 is connected with one side of the angle steel 3 through a plurality of bolts 41, and the other side of the angle steel 3 is used for pressing and covering the sound barrier unit plate 2;

[0023] In the base construction, the mounting base a comprises the pre-buried anchoring steel bars 51 and the I-shaped steel lying strips 52, the anchoring steel bars 51 are connected with the bottom plates 501 of the I-shaped steel lying strips 52, the top plates 502 of the I-shaped steel lying strips 52 are connected with the beam plates 503 of the H-shaped steel lying strips 53, and the outer side plates 504 of the H-shaped steel lying strips 53 are connected with the horizontal plates 12 of the T-shaped steel columns 1 through welding or the bolts 42, the mounting base of the composite structure is combined with the roadbed construction, the base is stable and durable, the sound barrier construction is relatively independent, and the later maintenance work is facilitated.

[0024] It should be noted that the metal sound barrier structure is suitable for the design and installation of the foundation sound barrier of bridges, roadbeds, highways and the like, and the mounting base a is appropriately adjusted according to different use scenes, for example, in the bridge area, the anchoring steel bars 51 of the mounting base a select a plurality of 7-shaped steel bars, the lower parts of which are connected with the bridge load plates 50 and the bottom plates 501 of the I-shaped steel lying strips 52, and then the foundation is poured and buried to the lower part position of the I-shaped steel lying strips 52, and the top plates 502 of the I-shaped steel lying strips 52 are preferably exposed to the base, so as to facilitate the assembly and molding with the H-shaped steel lying strips 53.

[0025] In the structure of the pre-buried outside replacement type metal sound barrier,

[0026] Preferably, the inner side plate 505 (i.e. the inner side of the roadbed) of the H-shaped steel lying strip 53 is connected with a crash barrier assembly to strengthen the protection of the sound barrier structure, the crash barrier assembly comprises a plurality of H-shaped steel columns 61 and a concrete plate 62, the concrete plate 62 is arranged in the type groove of the adjacent H-shaped steel columns 61 on both sides, a plurality of prestressed steel bars 63 are embedded in the concrete plate 62, the crash barrier assembly prevents the impact of vehicles on the sound barrier, reduces the impact damage, avoids personnel and tools from entering the inside of the road to affect the vehicle passing when the sound barrier unit plate 2 on the outside of the roadbed is replaced and maintained, and realizes the division of the bridge construction area and the functional area;

[0027] Further, the mounting base a comprises a foundation platform b arranged below the sound barrier unit plate 2, which is formed by pouring concrete and embedded with a plurality of reinforcing bars 64, and can effectively increase the overall height of the sound barrier unit plate 2, prevent direct impact of the roadbed outside on the sound barrier, and improve the effective sound absorption range of the sound barrier.

[0028] Specifically, the foundation platform is close to the horizontal plate 12 of the T-shaped steel column 1, i.e. close to the back of the horizontal plate 12, and the front of the horizontal plate 12 faces the inside of the roadbed. In order to enhance the assembly strength, the foundation platform b is arranged at the included angle between the vertical plate 11 and the horizontal plate 12 of the adjacent T-shaped steel column 1 on both sides, achieving seamless butt joint and being tight and reliable.

[0029] Preferably, the sound barrier unit plate 2 comprises a C-shaped back plate 21, a reinforced concrete plate 22, a rock wool sound absorption plate 23 and a foamed aluminum panel 24 arranged in sequence, and the composite sound absorption plate 2 has excellent sound absorption and noise reduction performance, effectively deals with various types of noise impact, and has long-term stable use function. The rock wool sound absorption plate 23 is provided with a plurality of embedded grooves, and the embedded grooves are paved with reinforcing bars 231 to improve the structural strength of the rock wool sound absorption plate and avoid loose crevices. The left and right sides of the C-shaped back plate 21 are provided with end plates 25 to achieve the closure of the unit plate 2, protect the internal sound absorption body and prolong the overall service life.

[0030] Preferably, the vertical plate 11 of the T-shaped steel column 1 has a rectangular flange 13 extending outward, the rectangular flanges 13 are distributed at intervals, and one side of the angle steel 3 is connected to the rectangular flange 13 through a plurality of bolts 41. This structure increases the width of the vertical plate 11 of the T-shaped steel column 1, and the rectangular flanges 13 are distributed at intervals to form a city wall shape, which can effectively improve the mechanical strength and load performance of the vertical plate 11, facilitate the positioning and firmness of the bolt connection of the angle steel 3, and the other side of the angle steel 3 is provided with an elastic film 14 between the barrier unit plate 2, which realizes the damping and buffering of the sound barrier, reduces the damage of the load impact to the internal sound absorption body of the unit plate 2, and further reduces vibration and noise;

[0031] In order to facilitate installation, disassembly and construction, the upper part of the T-shaped steel column 1 is provided with a lifting hole 101, and the horizontal plate 12 of the T-shaped steel column 1 is provided with a binding rope 102 for binding and restraining the sound barrier unit plate 2, the two ends of the binding rope 102 are connected to the vertical plate 11 of the adjacent T-shaped steel column 1, the binding rope 102 is selected to be a steel strand rope, which can effectively bind the back of the unit plate 2, and the horizontal plate 12 of the T-shaped steel column 1 is provided with an elastic rubber pad 14' between the sound barrier unit plate 2, which reduces the rigid contact and avoids the vibration damage caused by impact;

[0032] Preferably, the upper part of the H-shaped steel lying strip 53 is provided with a concrete cover plate 71 to avoid rainwater from entering the installation foundation, and a line slot cavity 72 is formed between the concrete cover plate 71 and the beam plate 503 of the H-shaped steel lying strip 53, which can place power and signal cables along the bridge and railway, thereby improving the safety of facility operation.

[0033] The above-described embodiments are only used to illustrate the technical solutions of the present application, and are not the limiting conditions for the implementation of the present application. Therefore, any other modifications or equivalent replacements of the technical solutions of the present application, such as the modification of the structure size, the internal structure, etc., as long as they do not deviate from the spirit and scope of the technical solutions of the present application, should be covered in the scope of the claims of the present application.

Claims

1. A pre-embedded, externally replaceable metal sound barrier structure, characterized in that: The system includes a pre-embedded mounting base, on which multiple T-shaped steel columns are installed. The angle between the vertical and horizontal plates of the T-shaped steel columns is used to position the sound barrier unit panels. The outer side of the vertical plate is connected to one side of an angle steel by several bolts, and the other side of the angle steel is used to press and fix the barrier unit panels. The mounting base includes pre-embedded anchoring steel bars and I-shaped steel strips. The anchoring steel bars are connected to the bottom plate of the I-shaped steel strips, and the top plate of the I-shaped steel strips is connected to the beam plate of the H-shaped steel strips. The outer side plate of the H-shaped steel strips is connected to the horizontal plate of the T-shaped steel columns by welding or bolts.

2. The pre-embedded, externally replaceable metal sound barrier structure according to claim 1, characterized in that: The inner side plate of the H-shaped steel bar is connected to the anti-collision wall assembly. The anti-collision wall assembly includes multiple H-shaped steel columns and a concrete slab. The two sides of the concrete slab are placed in the grooves of the adjacent H-shaped steel columns, and several prestressed steel bars are embedded in the concrete slab.

3. The pre-embedded, externally replaceable metal sound barrier structure according to claim 1, characterized in that: The mounting base includes a foundation platform located below the sound barrier unit panel. The foundation platform is formed by concrete casting and has several reinforcing ribs embedded inside. The foundation platform is close to the horizontal plate of the T-shaped steel column, or the two sides of the foundation platform are respectively placed at the angle between the vertical plate and the horizontal plate of the adjacent T-shaped steel column.

4. The pre-embedded, externally replaceable metal sound barrier structure according to claim 1, characterized in that: The sound barrier unit panel includes a C-shaped back panel, a reinforced concrete panel, a rock wool sound-absorbing panel, and a foam aluminum panel placed inside it in sequence. The rock wool sound-absorbing panel has several grooves, and reinforcing ribs are laid in the grooves. End plates are provided on the left and right sides of the C-shaped back panel.

5. The pre-embedded, externally replaceable metal sound barrier structure according to claim 1, characterized in that: The vertical plate of the T-shaped steel column has outwardly extending rectangular flanges, which are spaced apart. One side of the angle steel is connected to the rectangular flange by several bolts, and an elastic film is provided between the other side of the angle steel and the barrier unit plate.

6. The pre-embedded, externally replaceable metal sound barrier structure according to claim 1, characterized in that: The upper part of the T-shaped steel column is provided with a hoisting hole, the horizontal plate of the T-shaped steel column is provided with a rope for binding and restraining the sound barrier unit plate, and an elastic rubber pad is provided between the horizontal plate of the T-shaped steel column and the sound barrier unit plate.

7. The pre-embedded, externally replaceable metal sound barrier structure according to claim 1, characterized in that: A concrete cover plate is installed on the upper part of the H-shaped steel strip, and a groove cavity is formed between the concrete cover plate and the beam plate of the H-shaped steel strip.

Images