Hunan Jia Shan Hardware Tech Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 100000 |
| Delivery Time | 5-15days |
| Packaging Details | plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film/ Customized as your requirements |
| Package Quantity | 100 pieces |
| Color | Customized/Silver/Plain |
| Material | Carbon steel |
| Thread Pitch | Customized |
| Corrosionresistance | High/Customized |
| Headtype | L hook Metal Screw |
| Port | Shenzhen, Guangzhou |
| Common Uses | Construction, automotive, machinery |
| Finish | Black/Zinc plated |
| Thread Type | Mechined Thread |
| Rust Proof | Yes |
| Manufacturer | Various manufacturers |
| Brand Name | JIA SHAN |
| Model Number | Customized |
| Certification | ISO 9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 100000 |
| Delivery Time | 5-15days | Packaging Details | plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film/ Customized as your requirements |
| Package Quantity | 100 pieces | Color | Customized/Silver/Plain |
| Material | Carbon steel | Thread Pitch | Customized |
| Corrosionresistance | High/Customized | Headtype | L hook Metal Screw |
| Port | Shenzhen, Guangzhou | Common Uses | Construction, automotive, machinery |
| Finish | Black/Zinc plated | Thread Type | Mechined Thread |
| Rust Proof | Yes | Manufacturer | Various manufacturers |
| Brand Name | JIA SHAN | Model Number | Customized |
| Certification | ISO 9001 | Place of Origin | China |
| High Light | Alloy Steel M12 bolt ，Right-angle L-metal bolt ，Black oxide coated industrial bolt | ||
Alloy Steel Right-Angle L-Bolt M12 with Black Oxide Coating for Industrial Machinery Base Mounting
1,Description:
Anchor bolts, as fastening components, are widely used for the anchoring of steel structure column bases and various types of equipment. They effectively transfer vertical and horizontal loads acting on steel structures and equipment to the foundation concrete, and are an essential component of structural foundation design. Given the importance of anchor bolts, current Chinese building structural design codes and manuals contain specific provisions regarding their design methods and construction requirements. Designers can use these provisions to determine the required anchor bolt diameter, embedment depth, spacing and edge distance. However, during the design process, these codes and manuals do not provide precise explanations for certain issues, and there is a discrepancy between the design methods and the actual stress mechanisms, which may result in overly conservative design outcomes. This paper will briefly explore these issues and, drawing on relevant research findings from both China and abroad as well as the latest international design codes, aims to identify a more rational design method for anchor bolts.
2,Applications:
The design specifications for anchor bolts include material selection, dimensions, embedment depth and installation methods, ensuring the safety and stability of the structure.
The importance of anchor bolts
Anchor bolts are key components that connect the superstructure to the foundation, bearing the critical responsibility of transferring various loads. Proper design is the foundation for ensuring the safe and reliable operation of the structure.
Zhihu
Common Design Specifications
Material Selection: Anchor bolts are typically manufactured from high-strength steel, such as Q235 or Q345. In corrosive environments, materials with good corrosion resistance should be selected, or anti-corrosion measures should be implemented.
1Diameter and Length: The diameter of the bolt should be determined based on the load to be borne, the type of foundation, and the connection method. Generally, the greater the load, the larger the diameter should be. The length of the bolts must ensure sufficient penetration into the foundation to provide reliable anchoring force.
2Embedding Methods: Anchor bolts are generally embedded in concrete foundations using either the pre-embedded method or the pre-drilled hole with secondary grouting method. Direct embedding is suitable for structures such as towers, tall vessels and machinery subject to significant vibration, whilst the pre-drilled hole method is suitable for horizontal vessels and small vertical vessels, etc.
3Spacing and Arrangement: The spacing of anchor bolts should be arranged reasonably according to the structural load characteristics and installation requirements; generally, it should not be too large or too small, to ensure the structural integrity and stability.
4Installation Requirements: During installation, the tightening force of the bolts should be uniform, and tightening should only be carried out after the concrete has reached at least 75% of its design strength.
3,Technical Advantages
Spacing and Arrangement
The spacing of anchor bolts should be arranged appropriately in accordance with the structural load characteristics and installation requirements. Generally speaking, the spacing should not be too large or too small, in order to ensure the structural integrity and stability.
When arranging the bolts, consideration should also be given to the distance between the bolts and the edge of the foundation to avoid edge effects that could compromise the anchoring performance.
Anchoring Methods
There are various methods for anchoring anchor bolts, the most common being direct embedding, pre-drilled hole installation and anchor plate installation. Different anchoring methods are suitable for different engineering situations and must be selected according to specific requirements.
Direct-embedded anchor bolts are simple to install but offer little scope for adjustment; pre-drilled hole bolts allow for adjustment during installation but are relatively complex to install; anchor plate bolts are suitable for large-diameter bolts and situations involving significant tensile forces.
Tightening Requirements
Anchor bolts must be tightened after installation to ensure a secure and reliable connection between the foundation and the superstructure. The tightening force must be controlled in accordance with design requirements, and a torque wrench is generally used for this purpose.
During the tightening process, care must be taken to apply torque symmetrically and evenly to prevent the bolts from becoming loose or overtightened.
Available in small packing, carton packing, or pallet configurations to meet your shipping and storage requirements.
Manufactured by JIA SHAN Hardware Company with strict quality control measures and pre-shipment inspection.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2007
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ... Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ...
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