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of Yangzhong City,Jiangsu Province

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Products
Name

Card holder external channel

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Detail

1. Card holder external channel series product overview

The card seat external channel series consists of a card holder, a channel, a bolt and a gasket. The card holder is directly fixed on the connecting bolt between the tunnel segment and the tube piece, and the channel passes through the card seat, the bolt and the The gasket is fixed to form a complete external channel mounting system. This product does not require embedded parts, and can be installed at the same time during tunnel segment construction, which not only saves costs, but also improves construction progress and zero pollution green construction.

It is widely used in tunnel construction and is especially suitable for the maintenance and renovation of old tunnels.

The card holder external channel series is available in two types: a nested card holder and a press-in card holder.

The nested card holder is a T-shaped bolt fixed in the longitudinal direction of the channel after being inserted into the card holder.

The press-in type card holder is a groove directly inserted into the slot of the opening of the card holder, and is fixed by a hexagonal bolt by a pressure plate.

 

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2. Model marking method for the external channel series of the card seat

Model marking method for the external channel series of the card holder:

 

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3. Models and specifications of the external channel series of the card holder

 

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Models, specifications and combinations of deck external channel series products

                                                                                                                                                                                                                                                                                           
type Deck form External channel        Specification W/H Bolts and specifications With pad

 

 

 

 

 

 

T-bolt Hexagon bolts

 

 

AHZtC-40/22 Nested 40/22 M16×40 / Lock washers /
AHZtC-52/34 Nested 52/34 M16×40 / Lock washers /
AHZkC-40/22 Push-in 40/22 / M10×40 / Special pressure plate + spring pad
AHZkC-52/34 Push-in 52/34 / M10×40 / Special pressure plate + spring pad

 

4. Comprehensive technical performance of the card seat external channel series

                                                                                                                                                                       
No. Project Technical Performance Indicators
1 Deck material: chemical composition of cast steel ZG310-570 meets GB/T11352-1989 standard requirements
2 Zinc plating thickness detection Refer to TB/T2074-2010 requirements, ≥85um
3 Cartridge body mechanical performance test Install the bolt on the test machine through the connecting hole of the card holder. The T-bolt is installed in the center of the card holder to axially stretch the T-bolt, and its bearing capacity meets the customer's requirements;
4 The deck and channel are mounted with a single T-bolt
      Sliding load test
Refer to the sliding load test required by the TB/T2074-2010 standard. Fix the card holder on the testing machine and load the bearing capacity in the axial direction of the channel to the load with the displacement to meet the customer's requirements.
5 After the deck, channel, and T-bolt are installed, the static bearing capacity test of the T-bolt near the mounting channel of the external channel The tensile test load along the axis of the T-bolt and the shear test load perpendicular to the T-bolt and channel meet the customer's requirements.
6 Allowable sliding load test of a single bolt along the axial direction of the channel Refer to the TB/T3329-2013 and TB/T2074-2010 standards for sliding load testing to meet customer requirements.
7 Fatigue Test Refer to TB/T2074-2010 requirements, through the fatigue test in 3 million precast concrete test blocks to meet customer requirements.

 

Corresponding parameter set not found, please add it in property template of background
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暂未实现,敬请期待