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    • 3. 发明公开
    • CONSTRUCTION METHOD AND STRUCTURE OF PRESSURE DISPERSING EXPANSION HEAD ANCHOR ROD
    • 施工过程和结构扩展DRUCKDISPERGIERENDEN HEAD锚杆
    • EP3147410A4
    • 2017-04-12
    • EP15795723
    • 2015-05-11
    • SUZHOU NG FOUND ENG CO LTD
    • ZHOU JIANMINGCHENG LIANGKUIFAN HUIJUDU MINGXIANG
    • E02D5/74E02D5/80
    • E02D5/74E02D5/808
    • The present invention relates to a construction method and a structure of a pressure-dispersion type bit expanded anchor, belonging to the technical field of soil drilling of fixed buildings. The construction method adopts a drill rod to cut-drill in a jet spouting way in soil to form a water-pressure jet spouting cut-drilling segment and a cement-paste-pressure jet spouting cut-drilling segment, and the cement-paste-pressure jet spouting cut-drilling segment has a length of 2-4m and the cross section thereof has a maximum inner diameter of 600-800mm. By the structure, the water-pressure jet spouting cut-drilling segment and the cement-paste-pressure jet spouting cut-drilling segment are formed, and cement soil in the cement-paste-pressure jet spouting cut-drilling segment gets hardened and encloses an anchor cable carrier and anchor cables. The cement-paste-pressure jet spouting cut-drilling segment formed by the construction method and the structure is short in length and large in the maximum cross section diameter, and the cement soil reserved in the cement-paste-pressure jet spouting cut-drilling segment has a high cement content. The cement-paste-pressure jet spouting cut-drilling segment has the advantages of high early cement soil hardening strength and a high anti-pulling bearing capability.
    • 10. 发明公开
    • Anchor with grout jacket
    • 与水泥夹克锚
    • EP2096258A2
    • 2009-09-02
    • EP09007562.3
    • 2007-12-19
    • Minova International Limited
    • Grocholewski, MarekBitz, CharlesSteiert, RogerWittmann, RémyBartkowski, Casimir
    • E21D20/02E21D21/00E02D5/80
    • E21D20/02E02D5/808E21D21/0033E21D21/0086
    • An anchor 1 for consolidating non-cohesive rock layers or for connecting them to solid rock 2 primarily has the necessary components for realising a stressed or expansion anchor. Furthermore, when a conventional domed plate 10 is used, which reliably transmits the necessary stress forces, it is possible additionally to bond the anchor bar 4 in the drill hole 3 after stressing. To this end, the anchor bar 4 is either constructed with a connecting tube 22 with distributor head 24 or the sheathing tube 11 comprises a top tube 50, these both fulfilling the task of conveying the grout bonding material 12 reliably from the drill hole mouth end of the anchor bar 4 to the rock end 5A and then diverting it there and returning it to the drill hole mouth, so ensuring complete fixing and sheathing of the anchor bar 4 in the drill hole 3.
    • 用于固结非粘性岩层或用于将它们连接到固体岩石2的锚1主要具有用于实现应力或膨胀锚的必要组件。 此外,当使用传统的圆顶板10,其可靠地传递必要的应力时,可以另外在应力后将锚杆4结合在钻孔3中。 为此,锚杆4构造有具有分配器头24的连接管22或者套管11包括顶管50,这两者都履行了从钻孔口端可靠地传送灌浆粘结材料12的任务 将锚杆4连接到岩石端部5A,然后将其转移到那里并将其返回到钻孔口,从而确保锚杆4在钻孔3中的完全固定和护套。