本文選題：多功能型護(hù)欄 + 四級(jí)(SB)�。� 參考：《公路》2017年11期

【摘要】：為了提高武易高速公路雙向行駛匝道區(qū)域的行車(chē)安全性,針對(duì)目前應(yīng)用于高速公路護(hù)欄的不足之處,提出了一種新型四級(jí)(SB)多功能型護(hù)欄,該護(hù)欄采用模塊化設(shè)計(jì),剛度合理,在車(chē)輛碰撞產(chǎn)生橫向變形較小的條件下具有較好的緩沖吸能功能。為驗(yàn)證護(hù)欄是否滿足《公路護(hù)欄安全性能評(píng)價(jià)標(biāo)準(zhǔn)》(JTG B05-01-2013)規(guī)定的四級(jí)(SB級(jí),防護(hù)能量≥280kJ)防護(hù)等級(jí)的要求,依據(jù)評(píng)價(jià)標(biāo)準(zhǔn)采用小型客車(chē)、中型客車(chē)、大型貨車(chē)對(duì)護(hù)欄進(jìn)行了實(shí)車(chē)足尺碰撞試驗(yàn),試驗(yàn)結(jié)果表明新型四級(jí)(SB)多功能型護(hù)欄滿足評(píng)價(jià)標(biāo)準(zhǔn)要求,護(hù)欄最大橫向動(dòng)態(tài)變形值滿足武易高速公路實(shí)際要求,可以應(yīng)用于工程實(shí)際。
[Abstract]:In order to improve the driving safety of the two-way ramp area of Wuyi Expressway, aiming at the shortcomings of the current application in highway guardrail, a new type of four-stage SB-multifunctional guardrail is put forward, which adopts modularized design and reasonable stiffness. Under the condition of small transverse deformation caused by vehicle collision, it has better energy absorption function. In order to verify whether the guardrail meets the requirements of the grade SB and the protection energy 鈮，

本文編號(hào)：1987499