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[目的 ]调查建筑孔桩二氧化碳蓄积原因。 [方法 ]采用仪器检测 ,化学检测 ,动物实验。 [结果 ]在孔桩底部检出二氧化碳超标 ,地下埋有植物的孔桩二氧化碳严重超标。 [结论 ]建筑孔桩通风差易造成二氧化碳蓄积
[Objective] To investigate the causes of carbon dioxide accumulation in building piles. [Method] Instrument testing, chemical testing and animal experiments were used. [Result] Exceeding the standard of carbon dioxide detected at the bottom of the hole pile, the carbon dioxide of the hole pile buried underground was seriously exceeded. [Conclusion] Ventilation difference of building piles could cause carbon dioxide accumulation