The following common issues may be encountered during the use of tubular bolt anchors:

1. Sinking or Loosening of Tie Rods: After bearing loads, tie rods may experience sinking or loosening. This could be due to unstable soil conditions, loads exceeding the design limits, or improper construction, among other reasons.

2. Fracture or Bending of Tie Rods: Tie rods may fracture or bend when subjected to severe vibrations or when their load-bearing capacity is exceeded.

3. Corrosion of Anchor Rods with Pipe Seams: Anchor rods may corrode when exposed to damp or corrosive environments for extended periods.

4. Verticality of anchor bolt does not meet requirements: During anchor bolt construction, due to drilling angle deviations and improper installation, the verticality of the anchor bolt does not align with design specifications, which may affect the load-bearing effect and stability of the anchor bolt.

5. Insufficient Anchor Rod End Anchor Length: During the construction process, due to improper construction practices or inaccurate installation, the end anchor length of the anchor rods is insufficient, which reduces the load-bearing capacity and stability of the rods.

6. Insufficient Prestressing of Bolted Retaining Bars: During the construction process, insufficient application of prestressing or loss of prestressing can lead to inadequate prestressing in the retaining bars, which may affect their load-bearing capacity and stability.

7. Inadequate Anchor Rod Connections: During the construction process, the anchor rods may not be securely connected due to reasons such as loose connections or unreasonable connection methods, which can affect the overall integrity and stability of the rods.

In summary, to ensure the safety and stability of pipe seam anchor rods, appropriate measures must be taken to address these issues and to enhance routine maintenance and inspections.