通風管道工程的加固方法

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通風管道工程在加固過程中，應根據管道壓力大小、管徑大小選擇相應的加固方式，加固方式的選擇，對通風管道的壽命有決定性的影響，加固方法如下：

During the reinforcement process of the ventilation pipe project, the corresponding reinforcement method shall be selected according to the pipe pressure and pipe diameter. The selection of reinforcement method has a decisive impact on the service life of the ventilation pipe. The reinforcement method is as follows:

(1)加強抱合的方法

(1) Methods of strengthening clasping

所用材料也是輕鋼龍骨，一般用于較特殊的管道加固，主要有900彎管，三通管和悶頭管等。

The material used is also light steel keel, which is generally used for the reinforcement of special pipelines, mainly including 900 elbows, tees and bulkhead pipes.

(2)拉線加固

(2) Stay wire reinforcement

該工藝要求采用鋼色、套管等材料展開加固，正壓加固要求在500 pa以下。

This process requires steel color, casing and other materials to be used for reinforcement, and the positive pressure reinforcement is required to be less than 500 PA.

(3)加強框架法

(3) Strengthening the framework law

這種加固方式可用輕鋼龍骨展開法進行加固。

This kind of reinforcement can be carried out by light steel keel expansion method.

通風管道工程管路加固施工中，應根據管路位置、實際使用情況等方面展開加固工作。此外，還可以采用防下垂加固法，這種方法主要是對特殊管材進行展開加固，其中主要包括迂回管材、經變管材等，以避免通風管在實際使用中發生位移和下垂。

During the pipeline reinforcement construction of ventilation pipeline engineering, the reinforcement work should be carried out according to the pipeline location, actual use and other aspects. In addition, anti sagging reinforcement method can also be adopted. This method is mainly used to strengthen special pipes, including circuitous pipes, changed pipes, etc., to avoid displacement and sagging of ventilation pipes in actual use.

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