1、電纜橋架孔洞常用封堵材料

1. Common sealing materials for cable tray holes

(1)防火膠：防火膠是一種用于防火封堵的膠粘劑，具有良好的防火性能。將防火膠涂抹于孔洞周圍，使膠體充滿孔洞，形成封堵層。

(1) Fireproof adhesive: Fireproof adhesive is an adhesive used for fire sealing, with good fire resistance performance. Apply fireproof adhesive around the hole to fill it with the colloid, forming a sealing layer.

(2)防火涂料：防火涂料是一種涂刷在孔洞周圍的液體材料，具有防火、隔熱和防腐蝕等功能。將防火涂料涂刷在孔洞周圍，形成防火層。

(2) Fireproof coating: Fireproof coating is a liquid material applied around holes, which has functions such as fire prevention, thermal insulation, and corrosion prevention. Apply fireproof coating around the holes to form a fireproof layer.

(3)防火隔板：防火隔板是一種用于防火封堵的板材，具有較高的防火性能。將防火隔板固定在孔洞周圍，形成防火層。

(3) Fireproof partition: Fireproof partition is a type of board used for fire sealing, which has high fire resistance performance. Fix the fireproof partition around the hole to form a fireproof layer.

2、電纜橋架孔洞封堵方法

2. Sealing method for cable tray holes

(1)清理孔洞：在封堵孔洞之前，需要將孔洞周圍的雜物清理干凈，確保封堵材料能夠與建筑物的結(jié)構(gòu)緊密貼合。

(1) Cleaning the hole: Before sealing the hole, it is necessary to clean the debris around the hole to ensure that the sealing material can tightly adhere to the structure of the building.

(2)封堵材料的選擇：根據(jù)孔洞的尺寸和要求，選擇合適的封堵材料。防火膠、防火涂料和防火隔板是常用的封堵材料。

(2) Selection of sealing materials: Select appropriate sealing materials based on the size and requirements of the holes. Fireproof adhesive, fireproof coating, and fireproof partition are commonly used sealing materials.

(3)封堵孔洞：將選定的封堵材料按照規(guī)范要求進行施工。使用防火膠時，可以使用刮板將膠體填充孔洞內(nèi)，并進行修整。使用防火涂料時，可以使用刷子或滾筒將涂料均勻涂刷在孔洞周圍。使用防火隔板時，將隔板固定在孔洞周圍。

(3) Sealing holes: Construct the selected sealing materials according to the specifications. When using fireproof glue, a scraper can be used to fill the glue into the hole and make adjustments. When using fire-resistant coatings, a brush or roller can be used to evenly apply the coating around the holes. When using fire barriers, fix the barriers around the holes.

(4)檢測和驗收：封堵完成后，需要進行檢測和驗收，確保電纜橋架封堵效果符合規(guī)范要求。

(4) Testing and acceptance: After the sealing is completed, it is necessary to conduct testing and acceptance to ensure that the sealing effect of the cable tray meets the regulatory requirements.

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