什么是半剛性護(hù)欄
半剛性護(hù)欄一般是指梁柱護(hù)欄的連續(xù)結(jié)構(gòu)。這是一種由支柱固定的梁結(jié)構(gòu),依靠護(hù)欄的
曲折變形和張力來(lái)抵抗車(chē)輛的碰撞。根據(jù)不同的結(jié)構(gòu),梁護(hù)欄可分為W型波形梁護(hù)欄、管梁護(hù)
欄、箱梁護(hù)欄等。它們都有一定的剛度和韌性,通過(guò)梁的變形接收碰撞能量,損壞的部件容
易更換,具有一定的視誘導(dǎo)作用,外觀優(yōu)雅。

半剛性護(hù)欄的特點(diǎn)
半剛性護(hù)欄主要設(shè)置在需要保護(hù)乘客安全的路段。根據(jù)結(jié)構(gòu)不同,梁柱半剛性護(hù)欄可分為
W型波形梁護(hù)欄、三波波形梁護(hù)欄、管梁護(hù)欄、箱梁護(hù)欄等。它們都有一定的剛度和韌性,主要
通過(guò)梁、柱和土基的變形吸收和覆蓋,損壞的部件容易更換,具有一定的視覺(jué)誘導(dǎo)作用,外觀
美觀。從國(guó)內(nèi)外的實(shí)際應(yīng)用來(lái)看,波形梁護(hù)欄的應(yīng)用最為廣泛。根據(jù)半剛性護(hù)欄的機(jī)械模式,
可分為強(qiáng)梁一柱護(hù)欄、強(qiáng)梁一柱護(hù)欄、強(qiáng)梁一柱護(hù)欄、弱梁一柱護(hù)欄和弱梁一柱護(hù)欄。
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