Based on this, the stability of the surrounding rock mass and the rock wall crane girder is evaluated.
在此基础上，对洞室围岩及岩壁吊车梁的稳定性进行了评价。
The rock wall crane beam is a type of new technique and till now, there is no code yet to be followed.
岩壁吊车梁是一项新技术，目前尚无规范可循，需要在实践中不断总结、优化。
Wall crane is fixed to the wall cantilever crane, or may be along the wall or other support structure on the elevated track running cantilever crane.
壁上起重机是固定在墙壁上的悬臂起重机，或者可沿墙上或其他支承结构上的高架轨道运行的悬臂起重机。
Think of the way walls get put up: a prefabricated wall before the invention of the crane and the pulley has to be pushed up by a bunch of people.
想想筑墙的方法：，在发明起重机之前，一面提前造好的的墙，由人力推起。
At present, the rigid-body limit equilibrium method adopted in the design of crane beam on rock wall can not reflect the actual mechanical behavior of crane.
目前，岩壁吊车梁设计所采用的刚体极限平衡设计方法还不能确切反映岩锚吊车梁的实际受力状态。
The height of different types of tower crane attached to the wall of the first time, between every two "wall" is different from the force.
不同类型的塔机第一次附墙的高度不同，每两道“附墙”之间的距力也不同。
Based on analyzing the wall thickness design and stability checking method of drum, the finite element analysis of the crane 'drum is studied.
在分析传统卷筒壁厚设计与稳定性校核方法的基础上，对起重机卷筒进行了有限元分析。
This paper introduces the design of wall attaching structure for the tower crane used in a actual construction.
以实际施工中高塔附墙结构设计为例，简述塔式起重机附墙结构设计的计算方法。
If the wall units are too large for one crane they are sometimes lifted by two cranes working together.
如果墙体构件太大，一台吊车吊不起来，有时就用两台吊车合力吊起。
The wall slewing crane requires no floor space, can be mounted on load-bearing concrete walls, pillar or machines with easy installations.
墙壁式悬臂吊不占用地面面积，可以安装在墙上，厂房立柱上或机器设备上，其固定方式十分简单。
The tower crane attached to the wall straight to the arrangement and the interval shall be in accordance with the instructions.
高层塔吊附墙直件的布置和间隔，应符合说明书的规定。
The main achievement has been quoted by Design Criterion of Crane Beam on Rock Wall for Underground Powerhouse(draft) and explanation items.
主要研究成果已被《地下厂房岩壁吊车梁设计规范》（送审稿）及条文说明所采用。
The main achievement has been quoted by Design Criterion of Crane Beam on Rock Wall for Underground Powerhouse(draft) and explanation items.
主要研究成果已被《地下厂房岩壁吊车梁设计规范》（送审稿）及条文说明所采用。
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