《建筑法》第60条规定：建筑物在合理使用寿命内，必须确保地基基础工程和主体结构的质量。建筑工程竣工时，屋顶、墙面不得留有渗漏、开裂等质量缺陷;对已发现的质量缺陷，建筑施工企业应当修复。在商品房买卖中如何认定主体质量问题比较复杂，开发商会在主体质量与非主体质量问题上打擦边球，拒绝按照主体质量处理。在通常情况下，所谓主体结构检测质量不合格包括几种情况：

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