Construction requirements and specifications for brick-concrete chimneys.
1. Building requirements.
1.The chimney shall be designed by a unit with corresponding qualifications, and constructed and accepted in accordance with the relevant national specifications.
2.The chimney should be designed according to the requirements of the use of the building, taking into account durability, safety and economy.
3.The chimney should be designed as a self-supporting or supporting structure, and consider the influence of natural factors such as wind and **.
4.The height of the chimney should be designed according to the environmental conditions and emission requirements of the building location, and ensure that the flue gas can be fully discharged.
5.The building materials of the chimney should meet the relevant national standards and be selected in accordance with the design requirements.
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2. Building codes.
1.The masonry of brick-concrete chimneys should comply with the provisions of the national standard "Technical Specifications for Brick Chimneys".
2.The cylinder wall of the brick-concrete chimney should be made of standard bricks or cement bricks, and assembled in accordance with the design requirements.
3.The ash joints of the brick-concrete chimney should be full, dense and free of cracks, and the joints should be hooked according to the requirements.
4.The foundation of the brick-concrete chimney should be constructed in accordance with the design requirements, and ensure that the foundation surface is smooth and free of cracks.
5.The barrel of the brick-concrete chimney should be vertical, smooth, without protrusions and depressions, and be reinforced according to the requirements.
6.The inlet and outlet of the brick-concrete chimney should be installed in accordance with the design requirements, and ensure that the connection is tight and leak-free.
7.The internal anti-corrosion of the brick-concrete chimney should be constructed in accordance with the design requirements, and ensure that the coating is uniform and free of bubbles.
8.The external insulation of the brick-concrete chimney should be constructed in accordance with the design requirements, and ensure that the insulation material is dense and free of cracks.
9.The lightning protection facilities of the brick-concrete chimney should be installed in accordance with the design requirements, and ensure that the connection is reliable and abnormal.
10.The brick-concrete chimney should be inspected and maintained regularly during operation, and repairs and replacement parts should be carried out as required.