1、工程簡(jiǎn)介
尖峰頂隧道為公路長(zhǎng)隧道,左、右線分離布設(shè)。尖峰頂左線隧道起訖樁號(hào)為L(zhǎng)K104+715~LK105+849,長(zhǎng)度為1134m;尖峰頂右線隧道起訖樁號(hào)為RK104+711~RK105+864,長(zhǎng)度為1153m。兩端洞口段設(shè)置為小凈距,左線江門端小凈距里程為L(zhǎng)K104+715~LK104+884,長(zhǎng)度169m,羅定端為L(zhǎng)K105+644.5~LK105+849,長(zhǎng)度204.5m;右線江門端小凈距里程為RK104+711~RK104+891.5,長(zhǎng)度180.5m,羅定端為RK105+680~RK105+864,長(zhǎng)度184m。江門端洞門采用端墻式,羅定端洞門采用削竹式。