What is a civil air defense sealed conduit?

1. The primary focus of the anti-personnel protection sealed pipe is to strictly adhere to the production standards as specified in the 04FS02 catalog. In summary, the core purpose is to address the need for pipeline crossing through walls in certain underground projects, especially where there are stringent waterproofing requirements.

2. These structures still require pipeline penetrations multiple times, but in addition, it is restricted that pipelines cannot expand or contract, or shift due to temperature changes, such as external forces. Moreover, vibration of the pipelines is not necessarily permitted under the influence of external factors. Overall, the design and manufacturing should consider these factors.

3. Manhole sealed sleeve In my view, when the pipe passes through the sleeve from the left side, the sealing is achieved by filling the gap between the outer diameter of the pipe and the sleeve, or the left side, which serves the purpose of preventing water leakage and functions like shock absorption.

4. When it comes to civil defense sealed conduit or waterproof conduit, they are essentially the same in my view. They should be installed promptly with the civil construction, especially when removing the concrete structure or shear wall foundation, or passing through beams and similar columns.

5. After leaving the reserved holes, the poor treatment of the Ivanov casting between the sleeve and the concrete.

6. Some cannot be handled, such as installing rigid waterproof sleeve above the shear wall of the basement foundation concrete.

7. "Installation after pipe installation"—refers to the installation of pipes on concrete slabs and common brick walls, where it is generally almost the same as when预留孔洞 are pre-drilled on concrete slabs, and holes can be drilled in the brick walls after that.