Burying Methods and Installation Techniques for Bent Pipes
Bent pipes find various applications in different industries, serving purposes such as extending pipelines to reach longer distances while reducing construction complexity. In underground and construction projects, they are frequently buried underground to fulfill their intended roles. The methods of burying bent pipes can vary based on specific needs. Here, we provide a detailed explanation of these burying methods:
1. Retention Basin Method:
- Retention basins are designed to capture substances in wastewater that are prone to settling, preventing blockages that may result from reduced slope and flow velocity in bent pipes. The pipeline leading to a retention basin should maintain its slope and not decrease. The designed flow velocity and slope for the pipeline, post-treatment by the retention basin, should be 20% lower than the specified values. This method is suitable for flat terrains where the pipeline's starting point is far from the point of connection.
2. Overflow Well Discharge Method:
- This approach involves initiating sewage lift pumps before peak water usage, allowing the discharge of water from bent pipes. It is well-suited when the control point for the pipeline is close to the point of entry, and for smaller-scale applications. It is also applicable in stormwater discharge systems.
3. Pipe Through Well Method:
- The pipe through well method allows for a reduction in the depth of burial of bent pipes and facilitates the simultaneous passage of another pipe. The key is that the water passage area inside the well is greater than or equal to the cross-sectional area of the pipe being inserted. The size of the inspection well is controlled to regulate the water passage area effectively.
- Before construction begins, it is advisable for the construction team to conduct a thorough survey of the environment surrounding the construction site. They should then review the above-mentioned points on burying methods, taking into account which method is more suitable based on their comprehensive assessment.
In many large-scale projects, bent pipes play a pivotal role when pipes need to transport materials or establish connections. These pipes are chosen for their corrosion resistance, rapid installation, and wide-ranging utility. To meet the requirements of different projects, various installation techniques are employed. Here are different methods for laying pipes:
1. Above-Ground Installation:
- Also known as overhead installation, this method facilitates construction, inspection, operation, and maintenance, while keeping the construction costs low for bent pipes.
2. Underground Installation:
- - Underground installation can be further categorized as follows:
- a. Buried Installation: This approach utilizes the underground space, creating a clean and spacious area above the ground, without the need for support measures. It is employed only when overhead installation is not possible.
- b. Trench Installation: Trench installation fully utilizes the underground space, offering convenience for maintenance and allowing for the insulation of high-temperature, easily solidifying, or corrosive media.
- c. Direct Burial Installation: Bent pipes are directly buried in the soil, with two methods available: uncompensated burial and compensated burial. No trench construction is required, and this method saves space, simplifies installation, and reduces construction costs.
- d. Shallow Trench Installation: Suitable for areas with a high groundwater table, few electrical cables, and minimal heavy vehicle traffic.
It's essential to choose the most appropriate installation method based on the specific requirements of the project. This selection ensures that construction is completed efficiently, maintaining high-quality work and improving construction productivity.
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