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Differences in Pre-Construction Requirements for Bored Cast-in-Place Piles Between the Old and New Specifications

2016-04-22 855 0人评论

　　新版《公路桥涵施工技术规范》（JTG/TF50-2011）中要求灌注桩施工前应具有工程地质和水文地质资料，对地质情况复杂地区的大直径嵌岩桩，宜有每桩一孔的钻探资料，并宜在施工前进行工艺试桩，获得相应工艺参数后再正式施工。新规中同时还提到了临近提防及其他水利、防洪设施施工时要符合相关部门规定。
　　旧规范在灌注桩施工前应具备工程地质资料和水文地质资料，水、水泥、砂、石钢筋等原材料及制品的质量检验报告，同时灌注桩施工过程中应有完善的施工记录。

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Differences in Pre-Construction Requirements for Bored Cast-in-Place Piles Between the Old and New Specifications

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Differences in Pre-Construction Requirements for Bored Cast-in-Place Piles Between the Old and New Specifications

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Total Investment of 21.5 Billion Yuan! Construction Bidding for Phase I of Chongqing Rail Transit Line 7

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