timber support

The paper introduces development, structural features, working principle, application. operating conditions and prospect of market of suspension roof timber hydraulic support for caving method.

介绍了ZHF型放项煤悬移顶梁液压支架的发展过程、结构特点、工作原理、应用方法、使用条件及市场展望。

In the field of industry production and architecture, wood is an important material which can be used as decorating material; moreover, it can be used as structural timber to support building.

在工业生产和建筑领域，木材是一种很重要的材料，既可以用作装饰，也可以用作结构支撑。

Compare with farmed timber support, bolting support can improve the stability of surrounding rock around roadway and obtains a better supporting effect.

工程实践表明：应用锚杆支护与棚式支护相比，能有效改善围岩的稳定性，取得了良好的支护效果。