Civil works: How big is the foundation of the 6-meter-high pole?

        In fact, you are just making a signboard, you can consider using lightweight materials plus aluminum-plastic board or advertising cloth. Then the width of the foundation is 500 ~ 1000 larger than each side of the signboard you set, and the depth of 500 is enough. If there is no depth of embedding, you can consider increasing it a bit ... Use C20 prime to bury several irons at the same time It ’s fine ... I said it based on my natural situation ... I do n’t know what the wind is over there ...