JP2020012306A5 - - Google Patents

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JP2020012306A5
JP2020012306A5 JP2018135341A JP2018135341A JP2020012306A5 JP 2020012306 A5 JP2020012306 A5 JP 2020012306A5 JP 2018135341 A JP2018135341 A JP 2018135341A JP 2018135341 A JP2018135341 A JP 2018135341A JP 2020012306 A5 JP2020012306 A5 JP 2020012306A5
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noise
reduction device
noise reduction
bridge
entrance
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JP6975104B2 (en
JP2020012306A (en
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Priority to JP2020151171A priority patent/JP6975299B2/en
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この発明は、以下に記載するような解決手段により、前記課題を解決する。
なお、この発明の実施形態に対応する符号を付して説明するが、この実施形態に限定するものではない。
請求項１の発明は、図２〜図１８に示すように、橋梁（４）の床開口部（４ｄ）から下空間（Ｓ）に放射する騒音を低減する橋梁の騒音低減装置であって、前記床開口部から前記下空間に向かって前記騒音が通過する所定長さの騒音通過部（７；７Ａ，７Ｂ）を備えることを特徴とする橋梁の騒音低減装置（６）である。 The present invention solves the above problems by means of solutions as described below.
Although the description will be given with reference numerals corresponding to the embodiments of the present invention, the present invention is not limited to this embodiment.
As shown in FIGS. 2 to 18, the invention of claim 1 is a noise reduction device for a bridge that reduces noise radiated from the floor opening (4d) of the bridge (4) to the lower space (S). The bridge noise reduction device (6) is provided with noise passage portions (7; 7A, 7B) having a predetermined length through which the noise passes from the floor opening toward the lower space.

請求項５の発明は、請求項１から請求項４までのいずれか１項に記載の橋梁の騒音低減装置において、図１０、図１６及び図１７（Ｇ）（Ｈ）に示すように、前記騒音通過部（７；７Ｂ）は、前記騒音が進入する進入口（７ｂ）側が広く、この騒音が進出する進出口（７ｃ）側が狭いことを特徴とする橋梁の騒音低減装置である。 The invention of claim 5 is the noise reduction device for a bridge according to any one of claims 1 to 4, as shown in FIGS. 10, 16 and 17 (G) (H). The noise passage portion (7; 7B) is a noise reduction device for a bridge, characterized in that the entrance (7b) side where the noise enters is wide and the entrance (7c) side where the noise enters is narrow.

請求項６の発明は、請求項１から請求項４までのいずれか１項に記載の橋梁の騒音低減装置において、図１１及び図１４に示すように、前記騒音通過部（７；７Ａ，７Ｂ）は、前記騒音が進入する進入口（７ｂ）側が狭く、この騒音が進出する進出口（７ｃ）側が広いことを特徴とする橋梁の騒音低減装置である。 The invention of claim 6 is the noise reducing device for a bridge according to any one of claims 1 to 4, as shown in FIGS. 11 and 14, said noise passing portions (7; 7A, 7B). ) Is a noise reduction device for a bridge, characterized in that the entrance (7b) side where the noise enters is narrow and the entrance (7c) side where the noise enters is wide.

請求項７の発明は、請求項１から請求項４までのいずれか１項に記載の橋梁の騒音低減装置において、図１２及び図１５に示すように、前記騒音通過部（７；７Ａ，７Ｂ）は、前記騒音が進入する進入口（７ｂ）側及び進出口（７ｃ）側が狭く、この進入口側とこの進出口側との間が広いことを特徴とする橋梁の騒音低減装置である。 The invention of claim 7 is the noise reducing device for a bridge according to any one of claims 1 to 4, as shown in FIGS. 12 and 15, said noise passing portions (7; 7A, 7B). ) Is a noise reduction device for a bridge, characterized in that the entrance (7b) side and the entrance (7c) side into which the noise enters are narrow, and the space between the entrance side and the entrance / exit side is wide.

請求項８の発明は、請求項１から請求項４までのいずれか１項に記載の橋梁の騒音低減装置において、図１３に示すように、前記騒音通過部（７）は、前記騒音が進入する進入口（７ｂ）側及び進出口（７ｃ）側が広く、この進入口側とこの進出口側との間が狭いことを特徴とする橋梁の騒音低減装置である。 The invention of claim 8 is the noise reduction device for a bridge according to any one of claims 1 to 4, as shown in FIG. 13, in which the noise enters the noise passing portion (7). This is a noise reduction device for a bridge, characterized in that the entrance (7b) side and the entrance (7c) side are wide, and the space between the entrance side and the entrance / exit side is narrow.

請求項９の発明は、請求項５から請求項８までのいずれか１項に記載の橋梁の騒音低減装置において、図１０〜図１６及び図１７（Ｇ）（Ｈ）に示すように、前記騒音通過部（７；７Ａ，７Ｂ）は、前記進入口側から前記進出口側に向かって傾斜する傾斜壁部（７ｅ，７ｇ）を備えることを特徴とする橋梁の騒音低減装置である。 The invention of claim 9 is the noise reduction device for a bridge according to any one of claims 5 to 8, as described in FIGS. 10 to 16 and 17 (G) and 17 (H). noise passage portion (7; 7A, 7B) is inclined wall portion (7e, 7 g) which is inclined toward the advance port side from the entrance side is noise reduction device bridges, characterized in that it comprises a.

請求項１０の発明は、請求項１から請求項９までのいずれか１項に記載の橋梁の騒音低減装置において、図３、図５、図６、図１７及び図１８に示すように、前記騒音通過部（７；７Ａ，７Ｂ）は、この騒音通過部の内部が複数の通路（７ａ）に区分されており、前記床開口部から前記下空間に向かってこの複数の通路を前記騒音が通過することを特徴とする橋梁の騒音低減装置である。 The invention of claim 10 is the noise reduction device for a bridge according to any one of claims 1 to 9, as shown in FIGS. 3, 5, 6, 17, and 18. In the noise passing portion (7; 7A, 7B), the inside of the noise passing portion is divided into a plurality of passages (7a), and the noise is transmitted through the plurality of passages from the floor opening toward the lower space. It is a noise reduction device for bridges, which is characterized by passing through.

請求項１１の発明は、請求項１０に記載の橋梁の騒音低減装置において、図３、図６、図１７及び図１８に示すように、前記騒音通過部は、前記床開口部の長さ方向にこの騒音通過部の内部が複数の通路に区分されていることを特徴としている橋梁の騒音低減装置である。
請求項１２の発明は、請求項１０又は請求項１１に記載の橋梁の騒音低減装置において、図１８に示すように、前記騒音通過部は、前記床開口部の幅方向にこの騒音通過部の内部が複数の通路に区分されていることを特徴としている橋梁の騒音低減装置である。 The invention of claim 11 is the noise reduction device for a bridge according to claim 10 , as shown in FIGS. 3, 6, 17, and 18, in which the noise passing portion is in the length direction of the floor opening. This is a noise reduction device for bridges, which is characterized in that the inside of the noise passage portion is divided into a plurality of passages.
According to a twelfth aspect of the present invention, in the noise reducing device for a bridge according to the tenth or eleventh aspect of the present invention, as shown in FIG. 18, the noise passing portion is formed in the width direction of the floor opening. It is a noise reduction device for bridges, which is characterized in that the interior is divided into a plurality of passages.

Claims (12)

橋梁の床開口部から下空間に放射する騒音を低減する橋梁の騒音低減装置であって、
前記床開口部から前記下空間に向かって前記騒音が通過する所定長さの騒音通過部を備えること、
を特徴とする橋梁の騒音低減装置。 A bridge noise reduction device that reduces the noise radiated from the floor opening of the bridge to the space below.
Provided with a noise passing portion having a predetermined length through which the noise passes from the floor opening toward the lower space.
A noise reduction device for bridges that features. 請求項１に記載の橋梁の騒音低減装置において、
前記騒音通過部を通過する騒音をこの騒音通過部の内面で吸収する吸音部を備えること、
を特徴とする橋梁の騒音低減装置。 In the bridge noise reduction device according to claim 1,
Provided with a sound absorbing portion that absorbs the noise passing through the noise passing portion on the inner surface of the noise passing portion.
A noise reduction device for bridges that features. 請求項２に記載の橋梁の騒音低減装置において、
前記騒音通過部を通過する騒音を前記吸音部に向かって反射させる反射部を備えること、
を特徴とする橋梁の騒音低減装置。 In the bridge noise reduction device according to claim 2.
Provided with a reflecting portion that reflects the noise passing through the noise passing portion toward the sound absorbing portion.
A noise reduction device for bridges that features. 請求項１から請求項３までのいずれか１項に記載の橋梁の騒音低減装置において、
前記騒音通過部を通過して前記下空間から前記橋梁の側方に放射する騒音を遮音する防音壁部を備えること、
を特徴とする橋梁の騒音低減装置。 In the bridge noise reduction device according to any one of claims 1 to 3.
Provided with a soundproof wall portion that insulates noise radiated from the lower space to the side of the bridge after passing through the noise passing portion.
A noise reduction device for bridges that features. 請求項１から請求項４までのいずれか１項に記載の橋梁の騒音低減装置において、
前記騒音通過部は、前記騒音が進入する進入口側が広く、この騒音が進出する進出口側が狭いこと、
を特徴とする橋梁の騒音低減装置。 In the bridge noise reduction device according to any one of claims 1 to 4.
The noise passage portion has a wide entrance / exit side where the noise enters and a narrow entrance / exit side where the noise enters.
A noise reduction device for bridges that features. 請求項１から請求項４までのいずれか１項に記載の橋梁の騒音低減装置において、
前記騒音通過部は、前記騒音が進入する進入口側が狭く、この騒音が進出する進出口側が広いこと、
を特徴とする橋梁の騒音低減装置。 In the bridge noise reduction device according to any one of claims 1 to 4.
The noise passage portion has a narrow entrance / exit side where the noise enters and a wide entrance / exit side where the noise enters.
A noise reduction device for bridges that features. 請求項１から請求項４までのいずれか１項に記載の橋梁の騒音低減装置において、
前記騒音通過部は、前記騒音が進入する進入口側及び進出口側が狭く、この進入口側とこの進出口側との間が広いこと、
を特徴とする橋梁の騒音低減装置。 In the bridge noise reduction device according to any one of claims 1 to 4.
The noise passing portion has a narrow entrance side and an entrance side where the noise enters, and a wide space between the entrance side and the entrance / exit side.
A noise reduction device for bridges that features. 請求項１から請求項４までのいずれか１項に記載の橋梁の騒音低減装置において、
前記騒音通過部は、前記騒音が進入する進入口側及び進出口側が広く、この進入口側とこの進出口側との間が狭いこと、
を特徴とする橋梁の騒音低減装置。 In the bridge noise reduction device according to any one of claims 1 to 4.
The noise passage portion has a wide entrance side and an entrance / exit side into which the noise enters, and a narrow space between the entrance / exit side and the entrance / exit side.
A noise reduction device for bridges that features. 請求項５から請求項８までのいずれか１項に記載の橋梁の騒音低減装置において、
前記騒音通過部は、前記進入口側から前記進出口側に向かって傾斜する傾斜壁部を備えること、
を特徴とする橋梁の騒音低減装置。 In the bridge noise reduction device according to any one of claims 5 to 8.
The noise passing portion may be provided with an inclined wall portion inclined toward the advance port side from the entrance side,
A noise reduction device for bridges that features. 請求項１から請求項９までのいずれか１項に記載の橋梁の騒音低減装置において、In the bridge noise reduction device according to any one of claims 1 to 9.
前記騒音通過部は、この騒音通過部の内部が複数の通路に区分されており、前記床開口部から前記下空間に向かってこの複数の通路を前記騒音が通過すること、In the noise passing portion, the inside of the noise passing portion is divided into a plurality of passages, and the noise passes through the plurality of passages from the floor opening toward the lower space.
を特徴とする橋梁の騒音低減装置。A noise reduction device for bridges that features. 請求項１０に記載の橋梁の騒音低減装置において、
前記騒音通過部は、前記床開口部の長さ方向にこの騒音通過部の内部が複数の通路に区分されていること、
を特徴とする橋梁の騒音低減装置。 In the bridge noise reduction device according to claim 10 .
In the noise passing portion, the inside of the noise passing portion is divided into a plurality of passages in the length direction of the floor opening.
A noise reduction device for bridges that features. 請求項１０又は請求項１１に記載の橋梁の騒音低減装置において、
前記騒音通過部は、前記床開口部の幅方向にこの騒音通過部の内部が複数の通路に区分されていること、
を特徴とする橋梁の騒音低減装置。 In the bridge noise reduction device according to claim 10 or 11 .
In the noise passing portion, the inside of the noise passing portion is divided into a plurality of passages in the width direction of the floor opening.
A noise reduction device for bridges that features.
JP2018135341A 2018-07-18 2018-07-18 Bridge noise reduction device Active JP6975104B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018135341A JP6975104B2 (en) 2018-07-18 2018-07-18 Bridge noise reduction device
JP2020151171A JP6975299B2 (en) 2018-07-18 2020-09-09 Viaduct and noise reduction equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018135341A JP6975104B2 (en) 2018-07-18 2018-07-18 Bridge noise reduction device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2020151171A Division JP6975299B2 (en) 2018-07-18 2020-09-09 Viaduct and noise reduction equipment

Publications (3)

Publication Number Publication Date
JP2020012306A JP2020012306A (en) 2020-01-23
JP2020012306A5 true JP2020012306A5 (en) 2020-12-17
JP6975104B2 JP6975104B2 (en) 2021-12-01

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