什么是阻性聲屏障?
聲屏障大(da)家一聽(ting)這個詞就知(zhi)道這是(shi)一個噪音處(chu)理的(de)設(she)備,那么是(shi)什(shen)么阻性聲屏障呢?
阻性聲屏(ping)障主要由前板(ban)(ban),后(hou)板(ban)(ban),側(ce)板(ban)(ban)構成一個封閉(bi)的(de)(de)箱(xiang)式結(jie)構,形成一個模塊化單元(yuan)。前板(ban)(ban)為(wei)穿(chuan)孔(kong)率為(wei)穿(chuan)孔(kong)率25%的(de)(de)鍍鋅(xin)鋼(gang)(gang)板(ban)(ban),后(hou)板(ban)(ban)和側(ce)板(ban)(ban)為(wei)不穿(chuan)孔(kong)的(de)(de)鍍鋅(xin)鋼(gang)(gang)板(ban)(ban),兩層板(ban)(ban)之間(jian)(jian)內填(tian)防(fang)潮玻璃隔(ge)音棉,吸聲材料用聚氟乙烯(xi)薄膜(mo)覆蓋。立(li)柱(zhu)為(wei)12#工(gong)字鋼(gang)(gang),柱(zhu)間(jian)(jian)距2m。立(li)柱(zhu)插于鋼(gang)(gang)筋(jin)混凝土的(de)(de)基礎(chu)內。將聲屏(ping)障標(biao)準板(ban)(ban)插入(ru)工(gong)字鋼(gang)(gang)之間(jian)(jian),用緊固件加(jia)以固定(ding),安(an)裝,維修,更換(huan)極為(wei)簡便。