紫坪铺公路改建工程高边坡地质情况复杂恶劣，采取了钢筋混凝土锚杆框架梁对坡体进行锚固。
Owing to complicated and adverse geological conditions, the frame girder of reinforced concrete anchor bar was applied to reinforce the high slope of rebuilt access road.
针对锚杆加固后的碎裂结构岩体进行了室内模型试验。
An indoor model test is carried out on rock mass of cracked structure reinforced by the bolt.
超前支护锚杆锚固后与顶板岩石构成一体，这样使超前锚杆形成组合梁作用，放炮后，能够阻止顶板岩石冒落。
Forward support bolt combined with roop rock by bolting can play a roll of combined beam, which can prevent roof rock caving immediately after explosion.
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