从大朝山岩壁吊车梁观测成果看岩壁吊车梁设计

大朝山水电站地下厂房采用岩壁吊车梁作为吊车的支承结构，通过对其进行模型试验、原位观测等，得到锚杆应力、梁内混凝土以及钢筋应力均满足要求，岩体变位趋于稳定，吊装时，吊车梁基本处于弹性工作状态，说明地下厂房采用岩壁吊车梁作为吊车支承结构是可靠的：但理论计算及最大轮压值选取等方面还需进一步研究。

Design of the beam of bridge crane based on the monitoring results of the beam for Dachaoshan Hydropower Station

The beam of bridge crane is used as the support structure of bridge crane for the underground powerhouse of Dachaoshan Hydropower Station. Through the model test and prototype monitoring, it is found that the stresses in the anchorage bar, concrete of beam and its reinforcing steel bar all meet the design requirements and the rock body is going to be stable. The beam of crane is basically on elastic state when the bridge crane operates, which shows that the beam used as the support structure for bridge crane is reliable. But the theoretic calculations and the selection of the maximum wheel pressure value should be studied further.