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- split wedge roof bolt 叉楔顶板锚杆
- sliding wedge roof bolt 滑楔式锚杆
- NOTE: Split wedge with wedge holder. 注意:配置固定装置的拼合楔形闸板。
- Consult factory for centerline to top dimensions (open and closed) for split wedge valves. 对于拼合楔形闸板阀门的中心线至顶端(开启和关闭状态下)的尺寸,请咨询工厂。
- When constructing on super section lane, combining roof bolt, anchor cable, anchor cable series, is scientific and reasonable, can achieve good effect. 超大断面巷道施工,采用锚杆、锚索、锚索组联合支护,科学合理,实现了安全高效的良好效果。
- This paper described the practice of using combined beam theory and suspensory theory,such as roof bolt,net,steel rope,and shotcrete being used together to strenthen roof control. 应用组合梁和悬吊理论,对松软岩层采用支护新技术,即锚、网、带、索、喷等联合支护方式,加强对松软岩层巷道顶板的控制,降低了材料支护费用,提高了软岩巷道支护的可靠性,同时也提高了松软岩巷的掘进速度。
- Linghu Gold Mine has successfully used "retreating room-and-pillar method along the dip with roof bolt" in its trouble orebodies and achieved notable social and economic benefits. 灵湖金矿采用“沿倾斜后退式回采锚杆护顶房柱法”方案,解决了难采矿体的开采问题,取得了显著的经济效益和社会效益。
- Choice of solid, flex or split wedge design 可选择实心,柔性或拼合楔形闸板结构
- Inclined combined beam model with roof bolted are presented and solved,the expressions of support parameters of bolt are derived. 建立大倾角煤层回采巷道锚杆支护的倾斜组合梁模型,并进行解算,给出锚杆支护参数的表达式。
- The old farm has been split up into house lots. 这古老的农场已被划分为一块块的宅地。
- Compound Coal into Roof bolt Shoring Technique 复合煤层掘进锚杆支护技术
- She and I can't live under the same roof. 她和我不能住在一起。
- Application of roof bolt test rig 锚杆钻机实验台的应用
- Test and research on fiberglass roof bolt 玻璃钢锚杆的试验研究
- roof bolt and co - shooting support system 锚喷支护
- The numerical model of roof bolting and rock mass collaboration was based on Hoek Brown's strength criterion. 基于虎克-布朗强度准则给出了岩体及顶板锚固的数值模型。
- To split or force apart with or as if with a wedge. 楔入,劈开用或好象用楔子劈开或使分裂
- high - strenthened resin roof bolt 高强树脂锚杆
- To split(wood)with a maul and wedge. 用长柄重锤或楔劈开(木头)
- To split(wood) with a maul and wedge. 用长柄重锤或楔劈开(木头)