自鉆式(自進式)全螺紋玻璃纖維中空注漿錨桿由硬質合金鉆頭、中空全螺紋玻璃纖維錨桿體、止漿塞、墊板、螺母、連接套等組成，是在桿體頭裝上硬質合金鉆頭，直接鉆進注漿，無需取出的一種錨桿結構。

　　Self-Drilling Full Thread GFRP Hollow Injection Rockbolt are made of Hard alloy rotation bit, Full thread hollow GFRP bolt rod, Stop grouting plug, Base plate, Nut and Adapter sleeve. The Hard alloy rotation bit be assembled on the end of bar, self-drill in combination with the injection work.

　　一、特點：Feature

　　1. 這是破碎圍巖、軟弱圍巖、高地應力大變形等復雜地質條件的最佳施工方案，它避免了因為塌孔對施工的影響。It be the best solution to the complicated geological conditions such as the Broken surrounding rock, Weak surrouding rock, High geostress large deformation etc.. It avoid any hole collapse happen to block the construction.

　　2. 中空設計，使錨桿實現了注漿管的功能，避免了傳統施工工藝注漿管拔出時造成的砂漿流失。Hollow design, realize the injection function, it avoid the loss of mortar in the traditional construction techology.

　　3. 注漿飽滿，并可實現壓力注漿，提高工程質量。Realize the filled grounting, as well as the presure injection, improve the quality of engineering.

　　4. 由于各配件的作用，桿體的居中性很好，砂漿可以將錨桿體全長包裹，達到最佳支護的效果。Under the mutual effect of all components, the rod own the good feature of neutrral position,the mortar cover the rod compeletely, realize the best supporting result.

　　5. 桿體為全螺紋玻璃纖維材料，桿體的全螺紋錨固力更強，樹脂玻璃纖維特性避免了金屬類桿體銹蝕的危險，達到長期支護的目的。Full thread rod be made from the Glass Fibre Reinforced Plastic(GFRP) , own the stronger anchoring force, especially the character of corrosion resistant be for the permanent support, better than metal rod.

　　6. 在隧道初期施工等需臨時支護工程中更方便、容易盾構、掘進開挖。 It is more convenient in any demand of temporary support, such as during the beginning of the tunnel construction, it is easy to shield and excavation.

　　7. 安裝、施工方便。It is very convenient to assemble and to construct.

　　二、施工方法：Construction method

　　主要應用于破碎巖層、軟弱圍巖、高地應力大變形等復雜地質條件，進行支護、搶險、治理坍方等自鉆注漿的一切場合，適用范圍廣，功能高。Apply to the complicated geological conditions such as the Broken surrounding rock, Weak surrounding rock, High geostress large deformation etc… for the normal supporting, the emergency supporting, the collapse supporting and other situation need the self-drilling & injection, it is wide application and good effective.

　　在中空錨桿體頭裝上硬質合金鉆頭，用錨桿體代替鉆桿進行鉆進，釬尾連接器把錨桿體和鑿巖機相連，用鑿巖機鑿孔至設計錨桿深度后，安裝止漿塞、墊板、螺母后，進行注漿，

　　待砂漿完全凝固后鎖緊螺母。當在隧道、邊坡支護或水電站施工中，可用大直徑錨桿代替潛孔鉆鉆桿，進行鉆孔注漿，威力更大，作用比錨索更強，更快捷方便，施工成本更低。Assemble the hard alloy rotation bit on the end of bolt rod, directly drill by the Bolt rod which instead of drill pipe, the gadder couple the adapter sleeve on another end of bolt rod, when the drill length meet the design requirement, mount the Stop grounting plug, plate and nut, then start the injection, lock the nut tightly after the mortar are cured. In the construction of tunnel, slope support and hydropower station, adopt the major diameter bolt rod instead of DTH drill pipe, to drill and grout, it is more stronger, the effective is better than Bolt cable, more convenient but lower cost.

　　三、常用規格：外徑25mm、28mm、32mm

　　Regular Specification : Outer Diamenter : 25mm, 28mm, 32mm