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Combined Hollow Grouting Anchor
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1009

Combined Hollow Grouting Anchor

It is consisted of nut, backing board, stop-grouting plug, hollow anchor bolt body, grouting channel, slurry outlet channel, ventilation channel, connecting section, solid anchor bolt body, anchor head and anchor hole.
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Number of views:
1009
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Product description
Parameters

Structure

It is consisted of nut, backing board, stop-grouting plug, hollow anchor bolt body, grouting channel, slurry outlet channel, ventilation channel, connecting section, solid anchor bolt body, anchor head and anchor hole. The whole anchor bolt body is consisted of hollow anchor bolt body connecting combination, and slurry outlet channel is on the connecting section, which can give full play to the efficiency of materials and has great implementation value and social and economic benefits.

Characteristics

1. Hollow design makes the anchor realize the function of grouting pipe and avoid the loss of mortar when the grouting pipe is pulled out during traditional construction technique.

2. The grouting is full, and pressure grouting can be realized to improve engineering quality.

3. The centricity of the anchor body is nice due to the roles of accessories. The mortar can wrap the whole anchor body, avoiding the danger of corrosion and reaching the target of long-term support.

4. The installation is convenient. Backing board and nut can be installed conveniently without processing screw thread on site.

5. Combined with supporting special grouting pump and grouting technique for anchor body, it is the only anchoring system that has completely solved the problems of traditional anchoring support in China.

Construction Method

It is mainly used for systematic support of surrounding rock with medium and good geological conditions. After drilling to the designed depth of anchor bolt with jackdrill, install back anchor head onto the anchor bolt body, put it into the hole and carry out grouting. In rock stratum section which requires anchoring, using combined hollow grouting anchor can improve engineering quality and facilitate construction.

 

Mechanical Parameter List of Combined Hollow Anchor Bolt

Reference Standard:TB/T3209-2008

 

Product Specifications of Combined Hollow Bolt

Rebar

Hollow bolt body (grade Q345)

Grade

Yield strength MPa

Ultimate strength MPa

Yield force KN

Maximum force KN

Elongation after breaking A%

Yield strength MPa

Ultimate strength MPa

Yield force KN

Maximum force KN

Elongation after breaking A%

not less than

not less than

Ø20

HRB335

335

455

105

142

17

325

490

106

160

twenty one

Ø22

HRB400

335

540

126

170

16

127

192

HRB335

400

455

127

172

17

Ø25

HRB335

335

455

164

223

17

159

240

 

We could not find any corresponding parameters, please add them to the properties table

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