1、电缆桥架孔洞常用封堵材料

1. Common sealing materials for cable tray holes

(1)防火胶：防火胶是一种用于防火封堵的胶粘剂，具有良好的防火性能。将防火胶涂抹于孔洞周围，使胶体充满孔洞，形成封堵层。

(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：防火涂料是一种涂刷在孔洞周围的液体材料，具有防火、隔热和防腐蚀等功能。将防火涂料涂刷在孔洞周围，形成防火层。

(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：防火隔板是一种用于防火封堵的板材，具有较高的防火性能。将防火隔板固定在孔洞周围，形成防火层。

(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、电缆桥架孔洞封堵方法

2. Sealing method for cable tray holes

(1)清理孔洞：在封堵孔洞之前，需要将孔洞周围的杂物清理干净，确保封堵材料能够与建筑物的结构紧密贴合。

(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)封堵材料的选择：根据孔洞的尺寸和要求，选择合适的封堵材料。防火胶、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：将选定的封堵材料按照规范要求进行施工。使用防火胶时，可以使用刮板将胶体填充孔洞内，并进行修整。使用防火涂料时，可以使用刷子或滚筒将涂料均匀涂刷在孔洞周围。使用防火隔板时，将隔板固定在孔洞周围。

(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)检测和验收：封堵完成后，需要进行检测和验收，确保电缆桥架封堵效果符合规范要求。

(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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