Chongqing Shapingba district

Urban expressway/overhead

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Shapingba district is the main district of Chongqing city, one of the Chongqing metropolitan areas, and has a history of more than 3000 years since the Ba state in the Zhou dynasty.

Overall design of acoustic barriers for Chongqing Shapingba Zengjia Second Ring Connecting Road at Zengjia resettlement area: anti-collision railing base + 3.5m high sound insulation screen. Straddle steel plate base is fixed on the anti-collision railings with high-strength chemically-planted bolt, convenient for installation of sound insulation screen. Noise absorption and reflection combination barrier is used as sound insulation screen for this project, of which, an arc noise absorption segment is arranged on top of the sound insulation screen, there is an open and transparent PVB membrane glass sound insulation segment in the middle, and a vertical noise absorption segment is arranged at the lower part.