Honeycomb aluminum plate problem solution

Honeycomb aluminum plate 密封胶开裂，产生气体渗透或雨水渗漏。

Cause:

(1) The injection part is not clean.

(2) The glue seam depth is too large, resulting in three-sided bonding.

(3) The glue is contaminated or damaged by dust before it is completely bonded.

(4) The flatness error of keel and accessories is too large, and the gap between plates is not correctly reserved.

Prevention and control measures:

(1) Adequate cleaning of gaps between plates(Especially the bonding surface)and dried.

(2) Filling PVC foaming material in deep glue joint(small round bar), so that the glue to form a two-sided bond, to ensure the depth of the joint.

(3) Check whether the bottom groove of the cover plate is installed correctly, and adjust the distance between the honeycomb aluminum plates on both sides of the cover strip.

(4) Careful curing after injection until its safe hardening.

The position of embedded parts of honeycomb aluminum plate is not allowed, which makes it difficult for horizontal and vertical materials to be fixedly connected with them.

Cause:

(1) When embedded parts are placed, they deviate from the installation reference line.

(2) The embedded parts are not firmly connected with formwork and reinforcement, so that their positions change during concrete pouring.

Prevention and control measures:

(1) Before placing the embedded parts, carefully check their installation baseline and determine their accurate position.

(2) Adopt appropriate methods to firmly connect the embedded part formwork and reinforcement(Such as binding, welding, etc.)。

Remedial measures: if there is a large embedded deviation or individual leakage after the completion of the structure construction, it is necessary to remedy it in time. Its method is:

(1) If the recessed surface of the embedded part exceeds the allowable deviation range, the extended iron code shall be used for remedy.

(2) If the embedded parts protrude outward beyond the allowable deviation range, shorten the iron code or remove the original embedded parts, and use expansion bolts to fasten the iron code on the concrete structure.

(3) If the upward or downward deviation of the embedded part exceeds the deviation range, modify the connection hole of the mullion or adjust the connection position with expansion bolt.

(4) If the embedded parts are leaked, they shall be connected by expansion bolts or re-buried after the concrete is removed.

The above repair methods shall be approved by the design department.

The glue seam is not smooth and full, and the glue line is not straight.

Causes: uneven squeezing force, incorrect angle of glue gun, discontinuous scraping.

Prevention and control measures: connect and squeeze the glue evenly, maintain the correct angle, and scrape the glue with a special tool after filling it up. The surface should be smooth and free of wrinkles.

Contamination of finished products

Cause: after the installation of honeycomb aluminum plate, not timely protection, so that the collision deformation, discoloration, pollution, drainage pipe blockage and other phenomena.

Prevention and control measures:

(1) During the construction process, the adhesion on the board surface and the surface of the component shall be removed in time.

(2) Immediately after installation, clean from top to bottom, stick protective adhesive tape or cover plastic film on the parts vulnerable to pollution and damage, and set guardrails on the parts vulnerable to collision.

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