2) self-screwed bolt
自旋锚杆
1.
Based on the in-situ rotation model and circle tubular model,the relations of installation torque and anchoring force of self-screwed bolt are researched,both of which increase as anchor blade dimension increase.
依据原地旋转模型和圆筒形模型,研究了自旋锚杆安装扭矩与锚固力的关系,指出两者均随锚叶直径的增大而增加。
3) self-drilling anchor bolt
自钻式锚杆
1.
According to the environment and the concrete geological conditions,the comprehensive reinforcement method of prestressed anchor cable,self-drilling anchor bolt,steel-net and shotcrete is adopted for the slope using the engineering analogism and experiential method.
依据周边环境和地质条件,采用工程类比法和经验法对边坡采用预应力锚索、自钻式锚杆、钢筋网和喷射混凝土联合加固的措施;合理的设计参数、正确的支护结构形式和科学的施工步骤,使该加固措施充分发挥了锚固作用;根据锚杆钻孔施工过程中遇到的裂缝位置及边坡极限平衡理论,采用反算法得出岩体力学参数,进而对加固后边坡的安全系数进行计算。
2.
According to the landslide body characteristics,the processes of self-drilling anchor bolt,consolidation grouting and so on were adopted.
主要介绍金堆城东川河改道工程隧洞施工过程中出现的一次较大塌方治理,塌方体松散并含孤石,传统方法无法处理,根据塌方体的特点,有针对性地采取自钻式锚杆、固结灌浆等施工工艺,并获得成功;对隧洞衬砌、地表陷坑进行了处理,确保了工程安全、质量。
4) automatic anchor pole
自进式锚杆
1.
Application of steel pipes and automatic anchor pole in the tunnel with sandwich;
超前小钢管和自进式锚杆超前支护在泥夹石隧洞的应用
5) intervening boring self-propelling anchor bolt
中空自进式锚杆
6) self-drilling hollow anchor poles
自钻式中空锚杆
1.
This article analyzes vertical transportation program in concrete construction of high and steep slope,by introducing power-bearing principle,functional parameter,design elements,construction technology essentials and innovation highlights of self-drilling hollow anchor poles.
介绍自钻式中空锚杆的受力原理、性能参数、设计要素、施工技术要点和创新亮点,对高陡边坡混凝土施工的垂直运输方案进行分析探讨。
补充资料：自旋-自旋弛豫
自旋-自旋弛豫
磁共振成像术语。又称T2弛豫或横向弛豫(transverse relaxation)，指垂直于外磁场B0方向的磁化矢量的指数性衰减过程。磁共振成像时，对置于外磁场B0中的自旋系统施加90°射频脉冲，则自旋系统被激励，其净磁化矢量指向与外磁场B0垂直；射频脉冲终止后，被激励的质子与邻近的原子核之间发生相互作用，逐渐失去相位，净磁化矢量指向恢复与外磁场平行，该过程称自旋-自旋弛豫。自旋-自旋弛豫过程无能量交换。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条