CN112523557A

CN112523557A - Building site room building structure of making an uproar falls

Info

Publication number: CN112523557A
Application number: CN202011580275.9A
Authority: CN
Inventors: 郑名雄
Original assignee: Guangdong Hengyang Construction Engineering Co ltd
Current assignee: Guangdong Hengyang Construction Engineering Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-03-19
Anticipated expiration: 2040-12-28
Also published as: CN112523557B

Abstract

The application relates to a noise reduction building site house building structure which comprises section steel columns and cross beams, wherein every two adjacent section steel columns are connected with each other through the cross beams, and the end parts of the cross beams are fixed to the tops of the section steel columns; the section steel column comprises square cylinders and reinforcing bodies, the reinforcing bodies are fixed in the square cylinders, first slide ways and second slide ways are arranged on opposite surfaces of every two adjacent square cylinders, a first wallboard is arranged between every two adjacent first slide ways, a second wallboard is arranged between every two adjacent second slide ways, the first wallboards are steel plates, and the second wallboards are acoustical panels. This application has the effect that improves the noise reduction effect that gives sound insulation in building site room.

Description

Building site room building structure of making an uproar falls

Technical Field

The application relates to the technical field of house construction, concretely relates to building site room building structure of making an uproar falls.

Background

The building site house is a house which is built on a building site and is used for workers to rest or work temporarily, the general building site house takes light steel as a framework, takes steel plates as a containment material, adopts bolt connection for components, and can be assembled and disassembled conveniently and quickly. However, such a building has no sound insulation effect because the steel plate is used as a maintenance material and is connected by bolts, and when a building site is constructed, personnel in the building are easily affected by loud noise and cannot rest or work.

In view of the above-mentioned related art, the inventors consider that the construction site room has a drawback of poor sound insulation.

Disclosure of Invention

In order to improve the noise reduction effect that gives sound insulation in building site room, this application provides a building site room building structure of making an uproar falls.

The application provides a building site room building structure of making an uproar falls adopts following technical scheme:

a noise reduction building site house building structure comprises section steel columns and cross beams, wherein every two adjacent section steel columns are connected with each other through the cross beams, and the end parts of the cross beams are fixed to the tops of the section steel columns; the section steel column comprises square cylinders and reinforcing bodies, the reinforcing bodies are fixed in the square cylinders, first slide ways and second slide ways are arranged on opposite surfaces of every two adjacent square cylinders, a first wallboard is arranged between every two adjacent first slide ways, a second wallboard is arranged between every two adjacent second slide ways, the first wallboards are steel plates, and the second wallboards are acoustical panels.

Through adopting above-mentioned technical scheme, first wallboard and first slide cooperation installation, second wallboard and second slide cooperation installation for the installation of first wallboard and second wallboard is simple stable. First wallboard and second wallboard produce dual syllable-dividing effect, form the syllable-dividing cavity between first wallboard and the second wallboard for the building has better syllable-dividing effect, and first wallboard is the steel sheet, and it has better guard action, makes the building more firm, and the second wallboard is the acoustical panel, further improves the noise that weakens, improves the syllable-dividing effect of building.

Optionally, the first slideway comprises two first side plates and a first bottom plate, a first plug board is further fixedly arranged on the first bottom plate, a first limiting plate is further arranged on one side of the first plug board, which is far away from the first bottom plate, a first slot is formed in the square barrel, and the first plug board is in plug-in fit with the first slot so as to fix the first slideway to the square barrel; the second slide includes two second curb plates and a second bottom plate, still the fixed second picture peg that is provided with on the second bottom plate, the second picture peg is kept away from one side of second bottom plate still is provided with the second limiting plate, the second slot has been seted up to the square barrel body, the second picture peg with the cooperation of pegging graft of second slot is in order to incite somebody to action the second slide is fixed in the square barrel body.

By adopting the technical scheme, the first slide way is installed under the insertion matching of the first plug board and the first slot, and the second slide way is installed under the insertion matching of the second plug board and the second slot, so that the first slide way and the second slide way are convenient to install. The two sides of the first inserting plate are respectively provided with a first limiting plate and a first bottom plate, the first bottom plate and the first limiting plate limit the first inserting plate simultaneously, the position of the first slide way is more stable, the installation effect of the first slide way on the first wallboard is further stable, the two sides of the second inserting plate are respectively provided with a second limiting plate and a second bottom plate, the second bottom plate and the second limiting plate limit the second inserting plate simultaneously, the position of the second slide way is more stable, and the installation effect of the second slide way on the second wallboard is further stable.

Optionally, the first wall panel is fixed to the first slideway by bolts and nuts, and the second wall panel is fixed to the second slideway by gluing.

By adopting the technical scheme, the first wallboard is fixed on the first slideway through the screw, so that the position of the first wallboard is more stable, the first wallboard is stably connected with the first slideway, and the protection effect of the first wallboard on a building is more stable; the second wallboard passes through the adhesive fixation in the second slide for the position of second wallboard is more stable, and adhesive fixation's mode is simple and convenient, makes the installation of second wallboard fixed more convenient. The position of first wallboard and second wallboard is stable for the space state in sound insulation chamber between first wallboard and the second wallboard is stable, and then makes the effect that gives sound insulation more stable.

Optionally, the square barrel body comprises a fixing portion and a connecting portion, the fixing portion is connected with a foundation pile, and the foundation pile is formed through concrete pouring and is integrally connected with the fixing portion.

Through adopting above-mentioned technical scheme, the fixed part and the foundation pile body coupling of square barrel for the position state of shaped steel post is more stable, makes the basis of whole building more stable.

Optionally, the fixing portion is provided with a plurality of pouring flow holes.

Through adopting above-mentioned technical scheme, a plurality of pouring circulation holes are seted up to the fixed part, and when carrying out concrete placement in the foundation pile construction, the concrete of flow state can enter into the fixed part through the pouring circulation hole in for the connection structure with the fixed part is more stable during the foundation pile shaping, and then makes the position state of shaped steel post more stable.

Optionally, the connecting portion includes an upper connecting subsection and a lower connecting subsection, the end of the beam is fixed to the upper connecting subsection, the faces, close to each other, of the two adjacent upper connecting subsections are provided with connecting steel bars respectively, the positions of the connecting steel bars of the two adjacent upper connecting subsections correspond to each other one by one, the connecting steel bars corresponding to the positions pass through the connecting piece to be fixedly connected, and the beam is formed by concrete pouring and is integrally connected with the connecting steel bars.

Through adopting above-mentioned technical scheme, adjacent go up the connection subsection and set up the connecting reinforcement of position one-to-one, the connecting reinforcement that the position corresponds passes through the mutual fixed connection of connecting piece, the crossbeam pass through the concrete placement shaping and with connecting reinforcement an organic whole be connected, make the crossbeam have reinforced concrete structure from this, make crossbeam and shaped steel post have stronger connection structure simultaneously, and then make the overall structure of building more stable.

Optionally, the connecting piece is the tube-shape, the connecting piece is provided with two-way internal thread, and the tip that two connecting reinforcement that the position corresponds are close to each other is provided with the external screw thread that spiral direction is opposite, the connecting piece is connected in order to interconnect two connecting reinforcement with the connecting reinforcement threaded connection that two positions correspond simultaneously.

Through adopting above-mentioned technical scheme, the connecting piece is the tube-shape and is provided with two-way internal thread, and the tip that two connecting reinforcement that the position corresponds are close to each other sets up the external screw thread that spiral opposite direction, and the connecting piece can carry out threaded connection with two connecting reinforcement simultaneously to this is with two connecting reinforcement interconnect and taut, and connected mode is simple stable.

Optionally, the connecting steel bars are connected one end of the square barrel is provided with a fixing plate, the fixing plate faces the fixed fixing block arranged on the surface of the square barrel, the square barrel is provided with a fixing hole, and the fixing block is matched with the fixing hole in an inserting mode so that the connecting steel bars are fixed to the square barrel.

Through adopting above-mentioned technical scheme, when carrying out the splice bar installation, can carry out the preinstallation to splice bar through fixed orifices and fixed block grafting cooperation, when using the connecting piece to connect two splice bars, can restrict the rotation of reinforcing bar through fixed orifices and fixed block grafting cooperation for the connecting piece is more stable to splice bar's connection effect, after the splice bar installation is accomplished, the position of making splice bar stable through the grafting cooperation of fixed orifices and fixed block, splice bar is difficult for breaking away from the connection subsection.

Optionally, a silencing barrel is further arranged in the cross beam.

Through adopting above-mentioned technical scheme, set up the hush pipe in the crossbeam, when the sound wave propagated on the crossbeam, the hush pipe weakens the sound wave for the crossbeam has certain amortization noise reduction effect, further improves the holistic amortization effect of building.

Optionally, the silencing material is filled in the silencing barrel.

Through adopting above-mentioned technical scheme, pack the rock wool in the amortization section of thick bamboo, the rock wool has good noise cancelling effect on the one hand for the holistic amortization noise reduction effect of building is better, and on the other hand rock wool has better thermal-insulated fire behavior, makes the whole better thermal-insulated fire prevention effect that has of building.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first wallboard and the second wallboard generate double sound insulation effects, a sound insulation cavity is formed between the first wallboard and the second wallboard, so that the building has a good sound insulation effect, the first wallboard is a steel plate and has a good protection effect, so that the building is more stable, and the second wallboard is a sound attenuation plate, so that the noise is further weakened, and the sound insulation effect of the building is improved;

2. the beams fix the adjacent section steel columns, silencing barrels are further arranged in the beams, and silencing materials are filled in the silencing barrels, so that the silencing and noise reduction effects of the whole building are improved;

3. the adjacent connecting reinforcement who connects the subsection to set up the position one-to-one on, the connecting reinforcement that the position corresponds passes through connecting piece mutual fixed connection, the crossbeam pass through the concrete placement shaping and with connecting reinforcement an organic whole be connected, make the crossbeam have reinforced concrete structure from this, make crossbeam and shaped steel post have stronger connection structure simultaneously, and then make the overall structure of building more stable.

Drawings

Fig. 1 is a three-dimensional view of the overall structure of an embodiment of the present application.

Fig. 2 is a cross-sectional view of an embodiment of the present application.

FIG. 3 is a structural view of adjacent section columns in an embodiment of the present application.

Fig. 4 is a structural view of the first runner and the second runner in the embodiment of the present application.

Fig. 5 is a structural view of the cross member of the embodiment of the present application before it is cast.

Fig. 6 is a view showing a coupling structure of coupling reinforcing bars in the embodiment of the present application.

Description of reference numerals: 1. a section steel column; 11. a square cylinder body; 111. a fixed part; 1111. pouring a circulation hole; 112. a connecting portion; 1121. an upper connection subsection; 11211. a fixing hole; 1122. a lower connection subsection; 11221. a first slot; 11222. a second slot; 12. a reinforcement body; 2. a cross beam; 21. connecting reinforcing steel bars; 211. a connecting member; 212. a fixing plate; 2121. a fixed block; 22. a silencing barrel; 3. a first slideway; 31. a first side plate; 32. a first base plate; 33. a first board insert; 34. a first limit plate; 35. a first wall panel; 4. a second slideway; 41. a second side plate; 42. a second base plate; 43. a second board plug; 44. a second limiting plate; 45. a second wall panel; 5. and (5) piling.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses building site room architectural structure of making an uproar falls, refer to fig. 1 and fig. 2, including shaped steel post 1, be provided with first wallboard 35 and second wallboard 45 between the adjacent shaped steel post 1, first wallboard 35 is located the lateral surface in building site room, and second wallboard 45 is located the medial surface in building site room. The section steel column 1 comprises a square tube 11 and a reinforcing body 12, wherein the reinforcing body 12 is arranged in the square tube 11, the square tube 11 and the reinforcing body 12 are both vertically arranged, the horizontal section of the reinforcing body 12 is cross-shaped, and four side edges of the reinforcing body 12 are respectively fixed on four inner walls of the square tube 11.

Referring to fig. 1 and 3, the square tubular body 11 includes a connecting portion 112 and a fixing portion 111 in order from top to bottom, the fixing portion 111 is connected with the foundation pile 5, and the foundation pile 5 is formed by pouring concrete. The fixing portion 111 is provided with a plurality of pouring circulation holes 1111 for flowing through of fluid concrete. Before the section steel column 1 is constructed, a pile hole is firstly formed at the installation position of the section steel column 1, the fixing part 111 of the section steel column 1 is sunk into the pile hole, then concrete is poured into the pile hole to form a foundation pile 5, and the fixing part 111 is integrally fixed in the foundation pile 5. In this embodiment, the depth of the pile hole is preferably greater than the length of the fixing portion 111 to ensure that the length of the foundation pile 5 is greater than the length of the fixing portion 111, so that the connection between the foundation pile 5 and the section steel column 1 is more stable.

Referring to fig. 3 and 4, the connecting portion 112 is provided with a first slot 11221 and a second slot 11222, the first slots 11221 of two adjacent connecting portions 112 are opposite to each other, and the second slots 11222 of two adjacent connecting portions 112 are opposite to each other. The first slot 11221 is connected with the first slideway 3, the length direction of the first slideway 3 is vertical, the first slideway 3 includes two first side plates 31 and a first bottom plate 32, and the two first side plates 31 are located on two sides of the same side of the first bottom plate 32. The first inserting plate 33 is arranged on the surface, opposite to the first side plate 31, of the first bottom plate 32, the first inserting plate 33 is also vertically arranged, the first inserting plate 33 is vertically fixed in the middle of the first bottom plate 32 in the horizontal direction, a first limiting plate 34 is arranged on one side, away from the first bottom plate 32, of the first inserting plate 33, the first limiting plate 34 is parallel to the first bottom plate 32, the first inserting plate 33 is inserted into the first slot 11221, and meanwhile, the first limiting plate 34 and the first bottom plate 32 clamp the wall, provided with the first slot 11221, of the square barrel 11 tightly so that the first slide way 3 is fixed in the first slot 11221. With reference to fig. 2, a first wall plate 35 is disposed between two adjacent first slideways 3, the first wall plate 35 is a steel plate, and two sides of the first wall plate 35 in the horizontal direction correspond to the two first slideways 3 one by one and are in sliding fit with each other. Two first curb plates 31 of first slide 3 offer the through-hole that the position corresponds, and the through-hole that the position corresponds is also offered to first wallboard 35, and first wallboard 35 passes through bolt and nut in two first curb plates 31 in the through-hole position department that corresponds and fixes to this fixes first wallboard 35 between two first slides 3.

With continued reference to fig. 3 and 4, the second slot 11222 is connected to the second chute 4, the length direction of the second chute 4 is a vertical direction, the second chute 4 includes two second side plates 41 and a second bottom plate 42, and the two second side plates 41 are located on two side edges of the second bottom plate 42. The surface of the second bottom plate 42, which faces away from the second side plate 41, is provided with a second inserting plate 43, the second inserting plate 43 is also vertically arranged, the second inserting plate 43 is vertically fixed in the middle of the second bottom plate 42 in the horizontal direction, one side of the second inserting plate 43, which is far away from the second bottom plate 42, is provided with a second limiting plate 44, the second limiting plate 44 and the second bottom plate 42 are arranged in parallel, the second inserting plate 43 is inserted into the second slot 11222, and meanwhile, the second limiting plate 44 and the second bottom plate 42 clamp the wall of the square cylinder 11, which is provided with the second slot 11222, so that the second slideway 4 is fixed in the second slot 11222. Combine fig. 2, be provided with second wallboard 45 between two second slides 4, second wallboard 45 is the acoustic celotex board, and is preferred, and second wallboard 45's material is rock wool or glass cotton to this makes the acoustic celotex board have better noise cancelling action and thermal-insulated fire behavior. The side walls of the acoustic panel that cooperate with the second runners 4 are fixed in the second runners 4 by gluing, whereby the second wall panel 45 is fixed between the two second runners 4.

Referring to fig. 1 and 5, the connection portion 112 includes upper connection portions 1121 and lower connection portions 1122, a cross beam 2 is disposed between adjacent upper connection portions 1121, and both ends of the cross beam 2 are connected to two adjacent upper connection portions 1121, respectively. The upper connection parts 1121 are provided with connection bars 21 in a penetrating manner, the connection bars 21 of two adjacent upper connection parts 1121 are in one-to-one correspondence, and the two connection bars 21 in the corresponding positions are located on the same straight line and are connected to each other through the connecting piece 211.

Referring to fig. 3 and 6, the connection member 211 is cylindrical, the connection member 211 is provided with an internal thread, one ends of the connection bars 21 corresponding to the two positions, which are close to each other, are provided with external threads having opposite spiral directions, and the internal thread of the connection member 211 is a bidirectional internal thread to be simultaneously screw-engaged with the bars corresponding to the two positions. The other end of the connecting steel bar 21 is fixedly provided with a fixing plate 212, the connecting steel bar 21 is vertically fixed in the middle of the fixing plate 212, and the connection between the connecting steel bar 21 and the fixing plate 212 is preferably welded. When the connector 211 connects the two connecting bars 21 to each other, the fixing plate 212 is closely attached to the upper connecting branches 1121 at corresponding positions. A plurality of fixing blocks 2121 are fixedly arranged on the surface of the fixing plate 212, which is tightly attached to the upper connecting part 1121, and the fixing blocks 2121 are annularly distributed on the surface of the fixing plate 212; the upper connecting part 1121 is formed with a plurality of fixing holes 11211, the number of the fixing holes 11211 is equal to the number of the fixing blocks 2121, and the fixing blocks 2121 are correspondingly inserted into the fixing holes 11211 to limit the rotation of the fixing plate 212, so as to fix the connecting bars 21 to the upper connecting part 1121. In the construction of the cross beam 2, the connecting bars 21 are first fixed to the upper connecting portions 1121 by the fixing plates 212, and then the two connecting bars 21 corresponding in position are fixedly connected by the connectors 211, and the connecting bars 21 are integrally fixed inside the cross beam 2 when the cross beam 2 is cast.

Referring to fig. 2, before the beam 2 is cast, a sound-absorbing cylinder 22 is further disposed between the connecting steel bars 21, the sound-absorbing cylinder 22 is cylindrical, and the sound-absorbing cylinder 22 is filled with a sound-absorbing material, preferably rock wool, to improve the heat-insulating and fireproof performance of the beam 2. The silencing pot 22 is clamped between the connecting steel bars 21 when the connecting steel bars 21 are installed, then the cross beam 2 is cast, and the silencing pot 22 and the connecting steel bars 21 are fixed inside the cross beam 2.

In the embodiment, firstly, the construction of the section steel column 1 is performed: forming a pile hole in the foundation, sinking the fixing part 111 of the section steel column 1 into the pile hole, then pouring concrete into the pile hole, and after the concrete in the pile hole is solidified, forming a foundation pile 5 and forming an integrated connection structure between the foundation pile 5 and the section steel column 1; and then, carrying out wallboard construction: installing a first slideway 3 at a first slot 11221 of the square barrel body 11, installing a second slideway 4 at a second slot 11222 of the square barrel body 11, then installing a first wallboard 35 between every two adjacent first slideways 3 and fixing by bolts and nuts, and installing a second wallboard 45 between every two adjacent second slideways 4 and fixing by gluing; and finally, beam 2 construction is carried out: fixing the connecting bars 21 to the upper connecting parts 1121 and connecting the connecting bars 21 corresponding in position to each other by the connectors 211 while placing the silencing pot 22 between the connecting bars 21, then installing a mold between the adjacent upper connecting parts 1121 and pouring concrete into the mold, after the concrete in the mold is solidified, molding the cross beam 2 and integrally fixing the silencing pot 22 and the connecting bars 21 in the cross beam 2.

The implementation principle of the building structure of the noise reduction construction site room is as follows: the first wall plate 35 is matched with the first slideway 3 and is fixed through bolts and nuts, so that the first wall plate 35 is simple and stable to mount; second wallboard 45 and second slide 4 cooperation installation and through gluing fixed for second wallboard 45's installation is simple stable. First wallboard 35 and second wallboard 45 produce dual syllable-dividing effect, form syllable-dividing cavity between first wallboard 35 and the second wallboard 45 for the building has better syllable-dividing effect, and first wallboard 35 is the steel sheet, and it has better guard action, and second wallboard 45 is the acoustical panel, further weakens the noise, improves the amortization noise reduction effect of building. Crossbeam 2 is fixed with adjacent shaped steel post 1, still is provided with a hush pipe 22 in the crossbeam 2, and the intussuseption of hush pipe 22 is filled with rock wool 221, improves the holistic amortization noise reduction effect of building on the one hand, and on the other hand makes the whole better thermal-insulated fire prevention effect that has of building.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a building site room building structure of making an uproar falls which characterized in that: the steel column structure comprises section steel columns (1) and cross beams (2), wherein every two adjacent section steel columns (1) are connected with each other through the cross beams (2), and the end parts of the cross beams (2) are fixed at the tops of the section steel columns (1); the section steel column (1) comprises square cylinders (11) and reinforcing bodies (12), the reinforcing bodies (12) are fixed in the square cylinders (11), the opposite surfaces of every two adjacent square cylinders (11) are provided with first slide ways (3) and second slide ways (4), a first wallboard (35) is arranged between every two adjacent first slide ways (3), a second wallboard (45) is arranged between every two adjacent second slide ways (4), the first wallboard (35) is a steel plate, and the second wallboard (45) is an acoustical panel.

2. A noise reducing worksite room building structure as defined in claim 1, wherein: the first slideway (3) comprises two first side plates (31) and a first bottom plate (32), a first inserting plate (33) is fixedly arranged on the first bottom plate (32), a first limiting plate (34) is further arranged on one side, away from the first bottom plate (32), of the first inserting plate (33), a first slot (11221) is formed in the square barrel body (11), and the first inserting plate (33) is in inserting fit with the first slot (11221) to fix the first slideway (3) on the square barrel body (11); second slide (4) include two second curb plates (41) and a second bottom plate (42), still fixed second picture peg (43) of being provided with on second bottom plate (42), second picture peg (43) are kept away from one side of second bottom plate (42) still is provided with second limiting plate (44), second slot (11222) have been seted up in square barrel (11), second picture peg (43) with second slot (11222) are pegged graft the cooperation in order to incite somebody to action second slide (4) are fixed in square barrel (11).

3. A noise reducing worksite room building structure as defined in claim 2, wherein: the first wall plate (35) is fixed to the first slideway (3) through bolts and nuts, and the second wall plate (45) is fixed to the second slideway (4) through glue.

4. A noise reducing worksite room building structure as defined in claim 1, wherein: the square barrel (11) comprises a fixing portion (111) and a connecting portion (112), the fixing portion (111) is connected with a foundation pile (5), and the foundation pile (5) is formed by pouring concrete and is integrally connected with the fixing portion (111).

5. A noise reducing worksite room building structure as defined in claim 4, wherein: the fixing part (111) is provided with a plurality of pouring circulation holes (1111).

6. A noise reducing worksite room building structure as defined in claim 4, wherein: the connecting portion (112) comprises upper connecting portions (1121) and lower connecting portions (1122), the end portions of the cross beams (2) are fixed to the upper connecting portions (1121), connecting reinforcing steel bars (21) are arranged on the surfaces, close to each other, of the two adjacent upper connecting portions (1121), the connecting reinforcing steel bars (21) of the two adjacent upper connecting portions (1121) are in one-to-one correspondence, the connecting reinforcing steel bars (21) in the corresponding positions are fixedly connected through connecting pieces (211), and the cross beams (2) are formed through concrete pouring and are integrally connected with the connecting reinforcing steel bars (21).

7. A noise reducing worksite room building structure as defined in claim 6, wherein: connecting piece (211) are the tube-shape, connecting piece (211) are provided with two-way internal thread, and the tip that two connecting reinforcement (21) that the position corresponds are close to each other is provided with the external screw thread that spiral opposite direction, connecting piece (211) correspond with two positions simultaneously connecting reinforcement (21) threaded connection in order to be connected two connecting reinforcement (21) interconnect.

8. A noise reducing worksite room building structure according to claim 7, wherein: one end, connected with the square cylinder body (11), of the connecting steel bar (21) is provided with a fixing plate (212), a fixing block (2121) is fixedly arranged on the surface, facing the square cylinder body (11), of the fixing plate (212), a fixing hole (11211) is formed in the square cylinder body (11), and the fixing block (2121) is in inserting fit with the fixing hole (11211) to fix the connecting steel bar (21) to the square cylinder body (11).

9. A noise reducing worksite room building structure as defined in claim 1, wherein: a silencing barrel (22) is also arranged in the cross beam (2).

10. A noise reducing worksite room building structure according to claim 9, wherein: the silencing barrel (22) is filled with silencing materials.