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- The high pretensioned stress and intensive bolting system was developed, including intensive bolt, steel strip and cable bolt with a big increase in mechanical functions. 高预应力、强力支护系统成功应用于新汉矿区千米深井巷道,巷道变形降低70%25左右,顶板离层仅为原来的5%25,巷道支护状况发生了本质改变。
- In view of deep and complicated roadways in coal mines, the bolting mechanism was analyzed, the high pretensioned stress and intensive supporting theory was put forward. 摘要针对煤矿深部及复杂困难巷道条件,分析了锚杆支护作用,提出高预应力、强力支护理论,大幅度提高支护系统的初期支护刚度与强度,保持围岩的完整性,减少围岩强度降低;
- Keywords high pretensioned stress;intensive support;deep roadway;rock bolting; 高预应力;强力支护;深部巷道;锚杆支护;
- high pretensioned stress 高预应力
- High winds put great stress on the structure. 大风作用于该建筑物上而产生巨大的应力。
- Since high pretension force exists in inclined cables before live loads are applied, the initial geometry and the prestress of cable-stayed bridges depend on each other. 包括桥的几何学和预应力分配的初始形状是使用双重迭代的方法决定的,也就是,一个平衡迭代和一个形状迭代。
- Keywords pretensioned stress;rock bolting;supporting stiffness;stress fields; 预应力;锚杆支护;支护刚度;应力场;
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- Men and birds are fain of climbing high. 不论人还是鸟都愿意往高处攀。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- Goods of high quality are few and far between these days. 质地精美上乘的物品现在不多见。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- I set a high value on his advice. 我认为他的忠告很有价值。
- Keywords cable bolts support;pretensioned stress;stress fields;numerical simulation; 关键词锚索支护;预应力;应力场;数值模拟;
- Many competitors have entered for the high jump. 已有许多人报名参加跳高比赛。
- She enjoyed high prestige among the masses. 她在群众中享有很高威信。
- The dresses in the shop are priced high. 这家商店的衣服定价很高。
- The high salary reconciled me to living abroad. 我为获高薪也只好在国外生活。
- Trucks shuttled to and fro on the high ways. 车辆在高速公路上穿梭行驶。
- These rocks are awash at high tide. 这些礁石在涨潮时被海水淹没。