Process of making a rod for use in reinforcing an underground rock
formation
    41.
    发明授权
    Process of making a rod for use in reinforcing an underground rock formation 失效
    制作用于加固地下岩层的杆的过程

    公开(公告)号:US5437830A

    公开(公告)日:1995-08-01

    申请号:US176724

    申请日:1994-01-03

    IPC分类号: E21D21/00 B29C43/14

    CPC分类号: E21D21/008 E21D21/0006

    摘要: An elongated rod fabricated of polymeric material for use in reinforcing an underground passage includes an integral structure of a shaft portion, washer element and torque receiving end portion. The shaft portion is fabricated of a preselected polymeric material as required to meet the strength requirements of the rod in reinforcing the rock formation surrounding the passage. For use in reinforcing the side walls of a passage, the rod is fabricated of plastic material recycled, for example, from plastic beverage containers. The integral construction eliminates the need to thread the end of the rod to receive a nut. The washer element seats against a bearing block compressed against the side wall. When used with a resin system, the rod is anchored in the bore hole to maintain the bearing block compressed against the side wall to support the surrounding rock strata.

    摘要翻译: 用于加固地下通道的由聚合材料制成的细长杆包括轴部分,垫圈元件和转矩接收端部分的整体结构。 轴部分由根据需要的预选聚合材料制成,以满足在加强围绕通道的岩层的杆的强度要求。 为了用于加强通道的侧壁,杆由例如从塑料饮料容器再循环的塑料材料制成。 整体结构消除了需要将杆的端部螺纹接收螺母。 垫圈元件靠在压靠侧壁的轴承座上。 当与树脂系统一起使用时,杆被锚固在钻孔中,以保持轴承座压靠侧壁以支撑周围的岩石层。

    Tensionable cable bolt
    43.
    发明授权
    Tensionable cable bolt 失效
    可伸缩电缆螺栓

    公开(公告)号:US6074134A

    公开(公告)日:2000-06-13

    申请号:US19643

    申请日:1998-02-06

    摘要: A tensionable mine roof cable bolt having a resin grouted upper portion and a mechanically anchored lower portion. The lower portion includes a shaft which is swaged to the cable and accepts a mechanical anchor. The cable bolt is rotated during installation in a mine roof bore hole to mix resin and simultaneously engage the mechanical anchor with the rock. A drivehead press fitted onto the lower end of the cable fails upon tensioning of the bolt to a predetermined load.

    摘要翻译: 一种可张紧的矿顶电缆螺栓,其具有树脂灌浆上部和机械锚定的下部。 下部包括一个轴,该轴被锻造到电缆并且接受机械锚。 电缆螺栓在安装过程中旋转到矿井孔中以混合树脂,同时将机械锚与岩石接合。 安装在电缆下端的驱动头压力在将螺栓张紧到预定负载时失效。

    Rebar with vanadium alloy
    44.
    发明授权
    Rebar with vanadium alloy 失效
    钢筋与钒合金

    公开(公告)号:US5851481A

    公开(公告)日:1998-12-22

    申请号:US863828

    申请日:1997-05-27

    IPC分类号: E21D21/00 C22C38/12 E21D20/00

    CPC分类号: E21D21/0006

    摘要: A steel alloy having 0.44-0.52 wt. % C, 1.1-1.6 wt. % Mn, 0.15-0.35 wt. % Si, a maximum of 0.04 wt. % P, a maximum of 0.05 wt. % S, a maximum of 0.45 wt. % Cu and 0.06-0.09 wt. % V. A No. 5 mine roof bolt formed from the steel alloy has a minimum yield strength of 90,000 psi. A mine roof bolt having a cross-sectional diameter of 7/8 inch or 1 inch and formed from the steel alloy has a minimum yield strength of 100,000 psi.

    摘要翻译: 具有0.44-0.52重量% %C,1.1-1.6wt。 %Mn,0.15-0.35wt。 %Si,最大0.04重量% %P,最大0.05重量% %S,最大0.45重量% %Cu和0.06-0.09wt。 %V。由钢合金形成的5号矿山屋顶螺栓的最小屈服强度为90,000psi。 由钢合金形成的横截面直径为+ E,7/8 + EE英寸或1英寸的矿山屋顶螺栓具有100,000psi的最小屈服强度。

    Engineered mine seal
    45.
    发明授权
    Engineered mine seal 有权
    工程矿密封

    公开(公告)号:US09011043B2

    公开(公告)日:2015-04-21

    申请号:US13192839

    申请日:2011-07-28

    CPC分类号: E21F17/103

    摘要: A method for designing and fabricating a mine seal includes determining an initial thickness for a mine seal based on a predetermined underground opening, developing and solving a numerical model for response of the mine seal upon application of a blasting pressure, and determining whether the mine seal meets predetermined design criteria. A mine seal having a minimum seal thickness may be fabricated after determining the mine seal meets the predetermined design criteria.

    摘要翻译: 一种用于设计和制造矿用密封件的方法包括:基于预定的地下开口来确定矿井密封件的初始厚度,开发并解决在施加爆破压力时矿井密封件的响应的数值模型,以及确定矿井密封件 符合预定的设计标准。 在确定矿井密封件符合预定设计标准之后,可以制造具有最小密封厚度的矿用密封件。

    Engineered Mine Seal
    46.
    发明申请
    Engineered Mine Seal 有权
    工程矿井密封

    公开(公告)号:US20120027521A1

    公开(公告)日:2012-02-02

    申请号:US13192839

    申请日:2011-07-28

    IPC分类号: E21D11/10 G06F17/10 E02D29/00

    CPC分类号: E21F17/103

    摘要: A method for designing and fabricating a mine seal includes determining an initial thickness for a mine seal based on a predetermined underground opening, developing and solving a numerical model for response of the mine seal upon application of a blasting pressure, and determining whether the mine seal meets predetermined design criteria. A mine seal having a minimum seal thickness may be fabricated after determining the mine seal meets the predetermined design criteria.

    摘要翻译: 一种用于设计和制造矿用密封件的方法包括:基于预定的地下开口来确定矿井密封件的初始厚度,开发并解决在施加爆破压力时矿井密封件的响应的数值模型,以及确定矿井密封件 符合预定的设计标准。 在确定矿井密封件符合预定设计标准之后,可以制造具有最小密封厚度的矿用密封件。

    Stress, Geologic, and Support Analysis Methodology for Underground Openings
    47.
    发明申请
    Stress, Geologic, and Support Analysis Methodology for Underground Openings 失效
    地下开采应力,地质和支持分析方法

    公开(公告)号:US20100042381A1

    公开(公告)日:2010-02-18

    申请号:US12543220

    申请日:2009-08-18

    IPC分类号: G06F17/50

    CPC分类号: E21D11/00 E21C41/16

    摘要: A method of designing supports for an underground mine opening comprising the steps of: receiving mine slope information including at least one of site location, entry length, entry grade, entry orientation, size of opening, surface topology, adjacent borehole data and rock mechanics test data, historical roof fall height, and expected steel set support capacity; conducting stress and geological condition evaluation of the mine opening using a finite element computer modeling program based on the mine opening information; and designing structural supports for the mine opening utilizing the stress and geological condition evaluation of the mine opening.

    摘要翻译: 一种设计地下矿井开采支撑的方法,包括以下步骤:接收包括现场位置,入口长度,入口等级,入口方向,开口尺寸,表面拓扑,相邻钻孔数据和岩石力学试验中至少一个的矿山斜坡信息 数据,历史屋顶跌落高度和预期钢组支撑能力; 使用基于矿山开放信息的有限元计算机模拟程序对矿井开采进行应力和地质条件评估; 并利用矿山开采的应力和地质条件评估设计矿山开采结构支撑。

    Multi-piece, split bail expansion anchor
    48.
    发明授权
    Multi-piece, split bail expansion anchor 失效
    多件,分割保释膨胀锚

    公开(公告)号:US5762451A

    公开(公告)日:1998-06-09

    申请号:US806632

    申请日:1997-02-26

    IPC分类号: E21D21/00 E21D20/00

    CPC分类号: E21D21/008

    摘要: A mine roof bolt expansion anchor is formed from a plurality of identical shell segments. Each shell segment has a first end, a second end, and an end section at the first end. A first finger extends from the end section to the second end of the shell segment. A second finger extends from the end section toward the second end of the shell segment and terminates at a distal edge spaced from the second end of the shell segment. The end section, the first finger and the second finger each include an inner surface and an outer surface. A deformable coupling couples a plurality of shell segments together to form a multi-piece shell. The inside surfaces of the end sections, the first fingers and the second fingers of the multi-piece shell define a central aperture in which a wedge, adapted to coact with the plurality of shell segments, is received in the central aperture. Movement of the wedge from the second end to the first end of the shell segments forces the fingers to move in an outwardly direction.

    摘要翻译: 由多个相同的外壳段形成一个矿山屋顶螺栓膨胀锚。 每个壳段具有第一端,第二端和第一端的端部。 第一指状物从壳段的端部延伸到第二端。 第二指状物从端部部分延伸到壳段的第二端,并且终止于与壳段的第二端间隔开的远端边缘。 端部,第一手指和第二手指均包括内表面和外表面。 可变形的联接将多个壳段耦合在一起以形成多片壳体。 端部部分的内表面,多片壳体的第一指状物和第二指状物限定了中心孔,其中适于与多个壳段共同作用的楔块容纳在中心孔中。 楔形件从第二端到壳段的第一端的移动迫使手指沿向外的方向移动。

    Method for fabricating a truss member for a mine roof support
    49.
    发明授权
    Method for fabricating a truss member for a mine roof support 失效
    一种用于制造用于矿山屋顶支架的桁架构件的方法

    公开(公告)号:US5450663A

    公开(公告)日:1995-09-19

    申请号:US142710

    申请日:1993-10-26

    IPC分类号: E21D11/00 B23P11/00

    CPC分类号: E21D11/006 Y10T29/49845

    摘要: A pair of truss brackets are secured to the roof of an underground passage adjacent to opposing ribs of the passage. The truss brackets each include a roof engaging surface and a truss supporting arm member extending from the roof engaging surface. A pair of U-bolts are supported by the arm members of the truss brackets. Each arm member extends horizontally from the truss bracket to an enlarged end portion of the arm member. The U-bolt is horizontally movable in a vertically hanging position on the arm member and is restrained by the enlarged end portion from disengagement from the arm member. The U-bolts are pivoted on the truss brackets to a horizontal position for connection to truss members which are connected to each other and tensioned to apply an uplifting force to the roof. As the truss members are connected and tensioned, the U-bolts are retained for a range of horizontal movement on the arm members to facilitate adjustments in the position of the U-bolts on the truss brackets.

    摘要翻译: 一对桁架支架固定在与通道的相对肋相邻的地下通道的屋顶上。 桁架支架各自包括屋顶接合表面和从屋顶接合表面延伸的桁架支撑臂构件。 一对U型螺栓由桁架支架的臂构件支撑。 每个臂构件从桁架支架水平延伸到臂构件的扩大的端部。 U型螺栓在臂构件上的垂直悬挂位置上可水平移动,并被扩大的端部约束而不与臂构件分离。 U型螺栓在桁架支架上枢转到水平位置,用于连接到桁架构件,桁架构件彼此连接并张紧以向屋顶施加提升力。 当桁架构件被连接和张紧时,U形螺栓被保持在臂构件上的水平移动范围以便于调节桁架支架上的U形螺栓的位置。

    Bearing plate
    50.
    发明授权
    Bearing plate 失效
    轴承板

    公开(公告)号:US5292209A

    公开(公告)日:1994-03-08

    申请号:US61841

    申请日:1993-05-14

    摘要: An elongated channel member for supporting the surface of an underground rock formation includes a base portion with a bearing surface for contacting the rock strata and an opposite surface having a longitudinally extending central rib and flanged edges for resisting deflection and bending of the channel member under the load of the rock strata. A plurality of openings spaced a preselected distance apart extend through the central rib. A bearing plate is positioned in overlying abutting relation with each opening in the channel member. The bearing plate includes embossed areas and longitudinally flanged edges that are complementary in shape with the central rib and flanges on the channel to securely engage the bearing plate on the channel member. Thus, the bearing plate engages the channel member to restrain longitudinal and lateral movement of the bearing plate on the channel member and stiffen the channel member to resist bending. An anchor bolt extends through the aligned openings in the bearing plate and channel member into a bore hole drilled in the rock formation. Anchoring the bolt in the bore hole compresses the bearing plate against the channel member to urge the channel member into compressive relation with the surface of the rock formation to support the rock formation.

    摘要翻译: 用于支撑地下岩层表面的细长通道构件包括具有用于接触岩层的支承表面的底部部分和具有纵向延伸的中心肋和法兰边缘的相对表面,用于抵抗通道构件的下面的偏转和弯曲 岩层的载荷。 间隔开预定距离的多个开口延伸穿过中央肋。 支承板与通道构件中的每个开口相邻地邻接地定位。 轴承板包括压花区域和纵向凸缘边缘,该边缘的形状与中心肋和通道上的凸缘互补,以牢固地接合通道构件上的支承板。 因此,支承板与通道构件接合,以限制支承板在通道构件上的纵向和横向移动并加强通道构件以抵抗弯曲。 锚定螺栓延伸穿过支承板和通道构件中的对齐的开口进入在岩层中钻出的钻孔中。 锚定孔中的螺栓将支承板压靠在通道构件上,以迫使通道构件与岩层的表面压缩关系以支撑岩层。