矿山支护,mining supporting
1)mining supporting矿山支护
英文短句/例句
1.The Designing of the Automatic Molding and Welding Equipment for the Trusses Which Used in Mines" Shoring;矿山支护用桁架自动成型及焊接设备的研发设计
2.Hot-rolled U-type steel for mine timberingGB/T4697-1991矿山巷道支护用热轧U型钢
3.Technology of Propping up Protecting in the Complicated Stratum of HeMuShan Ore;和睦山矿复杂地层中的特殊支护技术
4.Research on the Technolgy of Support of Anchor Bar and Anchor Rope of the Coal Tunnel in Tangshan-gou Mine唐山沟矿煤巷锚杆-锚索支护技术研究
5.Research of Mining Method and Supporting Technology for Weak Ore Body in Jinshandian Iron Mine;金山店铁矿软弱矿体开采方法及支护技术研究
6.Study on Application of Soil-nail Shoring in Reinforce of the Mine-Incline;土钉支护在矿山边坡加固中的应用研究
7.Numerical Simulation of High Ground Stress Metal Mine Mining and Supporting Scheme高地应力金属矿山开采及支护方案的数值模拟
8.Optimization Study of Bolt Supporting Parameters for Extraction Roadway in Shishan Coal Mine史山矿回采巷道锚杆支护参数优化研究
9.The mine tunneling construction numerical simulation supported by pipe shed in subway tunnel地铁隧道管棚支护下矿山法施工数值模拟
10.Mine Shaft Permanent Support of Some of the Problems and Couner Meaures矿山井巷永久性支护中的部分问题及对策
11.Study on the I-steel circular shed compound support technology in the west main roadway of Guhanshan Coal Mine古汉山矿西大巷工钢圆对棚复合支护技术研究
posite Support and Monitoring of Foundation Excavation in Science Building of Shandong Geological and Mineral Bureau山东省地矿局科技大厦基坑复合支护与监测
13.Broken Roadway of Supporting Method of Gake Mine Paragraph云南省砚山县嘎科矿段破碎带巷道支护方法
14.Surrounding Rock Deformation Law and Support Technology of Mining Gateway in Huagushan Mine花鼓山煤矿回采巷道围岩变形规律及支护技术
15.Supporting Research and Deformation Regularity of Encircling Rock on Production Roadway in Huagushan Colliery花鼓山矿回采巷围岩变形规律及支护研究
16.Practices on Bolt/Steel Mesh/Shotcreting Support of Down-Dip Seam Gateway in Qianjiaying Mine钱家营矿回风下山煤巷锚网喷支护实践
17.Research on Shoring Technology of Compound Roof in DongRong Two Coal Mine in Suanyashan Mine Company;双鸭山矿业集团东荣二矿十七层复合顶板支护技术研究
18.Study on Roadway Bolt-Mesh Supporting Technique in High Angle Fully Mechanized Caving Face of Wangjiashan Colliery;王家山矿大倾角综放工作面平巷锚网支护技术研究
相关短句/例句
mine timbering矿山巷道支护
1.Development of the 25U-type hot rolled steelmine timbering;矿山巷道支护用热轧25U型钢的开发
3)ground support矿山支架
4)hillside support山坡支护
1.The application of soil bolting and soil nailed wall inhillside support;土层锚杆与土钉墙在山坡支护中的应用
5)mine support矿井支护
1.Analysis and probe onmine support equipment in China;对我国矿井支护设备的分析与探讨
6)Hot rolled U-shaped steel for mine roadway support矿山巷道支护用热轧 U 型钢
延伸阅读
地下工程施工支护地下工程施工支护temporary support for underground workscilxr‘】90119〔一}1户11Q，14一()仁}11日·111{1一地下工程施工支护(rom一)orarys、，I)I，‘，rtf〔，runderground work、)在地下1几程施1‘!，为维护围岩稳定，保证施1_安全的临时措施地下l_程施I_支护可以在围岩出现有害的松弛变形之前迅速提供-定抗力，改善围岩受力条件、控制开挖后的1祠岩变形增长，支承落石，保护施工安全施工_支护的结构.迈常要求有足够强度和稳定性，能适时控制变形和承载变形后所产生的载荷，‘j围岩接触良好并允许在支护后围岩能产生有限变形以利用其自身承载能力，结构简单，造价低廉.施卜方便.所占空间较小地下工程施J几的支护类型.根据地质条件、洞室结构、断面尺寸、开挖方法、围岩暴露时间等因素决定.一般分描喷支护和构架支撑两类锚喷支护有锚杆支护、喷混凝土支护、锚杆喷混凝土与金属网联合支护及预应力锚索深孔锚固支护等。①锚杆支护。单一锚杆支护施工方便.能‘川月宕紧密接触及时提供抗力。系统锚杆一般布置成正方形或梅花形，锚人深度较浅.间排趴约为深度之平且不大于1.sm。局部锚杆深度要超过围岩松弛区必喷混凝上支护。能对不稳定围岩提供支护抗力.封闭旧岩表而和充填裂隙，阻隔涌水。护锚喷联合支护。锚杆深人稳定岩层.围岩松弛范围较大或高边墙不稳定洞室常采川长短锚杆相结合表面喷混凝土支护。如预应力锚索支护。索体用钻孔穿过lFl岩浴动面或不稳定区进行预张拉，并维持所需载荷对岩体施加压力.适川于大跨度洞室顶拱、高边墙、岩柱、岩墙、洞脸及高边坡等不稳定岩体。(见描喷)构架支撑要求支撑材料经济.易于拆装.连接牢固，安全可靠。按结构型式分拱形、梯形、扇形、多边拱形和棚架等几种。按制作材料分钢、预制混凝上和木3类。①钢支撑。由立柱、顶梁、垫板、于众杆、连接件及楔块组成，适用于围宕稳定性差的‘!，、小卿断面地下工程。在地压力不稳定和lFl岩变形城大的软弱宕层或断层破碎带，也有用可缩性金属支架的，钢支撑承载能力大.坚固耐久.体积小.构件轻.但成本较高卫预制混凝土支撑。适川于中、小利断而地卜!_程、j〔优点是成本低，但构件笨重，运输、安装困难_·:飞木支撑适用于中、小型断面和进行分部汗挖的地卜l_程「、J七优点是重量轻，加工、安装方便，出现险情前有征候预示且易抢工，但木材强度较低。④棚架。各类支撑材料均可制作，常用在地下工程进出口及井下导洞出渣处，一般顶部铺设垫板和柔性材料或石渣，梁的端部除临空面外均与岩壁顶紧。所有地下工程施工的支撑柱基均安置在平整岩面或加设的垫梁、垫板上，每排支撑各构件保持在同一平面且与洞轴垂直，各排间相互连接成整体，支撑与围岩之间用背板、楔等背材塞紧，并在施工过程经常检查支撑受力情况。使用完毕及时拆除，预计支撑受力后难以拆除时，要将支撑设在建筑物设计断面以外或用非有机质材料制成的支撑。
