成都四川中空锚杆生产厂家_成都四川自进式锚杆生产厂家_成都路辉锚固材料有限公司
成都四川中空锚杆生产厂家_成都四川自进式锚杆生产厂家_成都路辉锚固材料有限公司
 
 
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成都四川中空锚杆生产厂家_成都四川自进式锚杆生产厂家_成都路辉锚固材料有限公司

成都四川中空锚杆生产厂家_成都四川自进式锚杆生产厂家_成都路辉锚固材料有限公司
LHZ SDA anchor bolt
LHR Hollow Grouting Ancho
LHY prestressed Grouting
Accessories
LHZ Self Drilling Anchor

电话:028-68969720
      68969721
传真:028-68969721
Skype: pauline p

       lisa z

hotmail:cdluhui@hotmail.com

Tel:86-15982308520

    86-15982143198

  Information
LHY prestressed Grouting Anchor Bolt

When excavate developmental joint broken hard rock ,can lead to rock fragment be slack, friction reducing, cause a large area of surrounding rock slack, finally surrounding rock instability, collapse, thus prestressed Grouting bolt can be used to support to keep its stability.

 

        Item
     LY25
      LY27
      LY28
     LY32
   Ultimate
   load(KN)
      80
      100
      100
      120
   Outside    diameter(mm)
      52
       58
       58
      65
    Anchor rod
    LH25
      LH27
     LH28
      LH32
      Mark
 tensile strength and length can be designed according to   costomer requirement

 
construction technology
1, prestressed anchor installation and prestressing exerting
  1) drill hole and cleaning;
  2) insert anchor bolt which installed expanding-shell in anchor head.
  3) prestress bolt, turn the bolt to the left to tighten it, then install the stopping grouting plug, anchor plate, nuts ;
  4) connect tensioning tool (such as bolt tension meter), implement pre-stressed tension until reach specified value.
2, Grouting
1) Push into the grouting machine, and connect the grouting pipe and power source;
2) Mix grout according to design proportion, and put it into the Grouting machine
3) Start the grouting machine, inject grout to anchor holes, until the Grout pressure reached the design value
4) Take down the grouting coupling, then continue next anchor grouting, until all the bolt grouting are completed;
Cleaning equipment
   
成都四川中空锚杆生产厂家_成都四川自进式锚杆生产厂家_成都路辉锚固材料有限公司

成都路辉锚固材料有限公司  电话:028-68969722 028-68969723  13982058330 传真:028-68969722
邮箱:qml2002@sina.com   网址:www.lhjinshu.cn    厂址:成都市新都工业东区白云路789号 (川陕高速旁)