Coating process for unreachable surface of corrugated web steel-concrete composite beam
The invention discloses a coating process for an unreachable surface of a corrugated web steel-concrete composite beam. The coating process comprises the following steps of (1) treating dirt on the unreachable surface, firstly, cleaning the dirt on the surface of the unreachable surface by using a s...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a coating process for an unreachable surface of a corrugated web steel-concrete composite beam. The coating process comprises the following steps of (1) treating dirt on the unreachable surface, firstly, cleaning the dirt on the surface of the unreachable surface by using a steel wire brush, and wiping oil dirt by using cotton yarn dipped in kerosene if the oil dirt exists; (2) coating rust conversion primer, rust conversion primer is brushed in the inert gas surface blowing environment, and a rust conversion coating is formed. and (3) coating of middle-layer paint and finish paint, spraying or brushing the middle-layer paint and the finish paint by taking the rust conversion coating as primer. When the unreachable surface of the corrugated web steel-concrete composite beam is constructed, a construction environment protected by inert gas is provided, the unreachable surface is scoured by the inert gas during brushing, the effects of blowing dust and isolating moisture can be achieved, |
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