后压浆钻孔灌注桩动静对比试验研究-建筑结构 关键词］后压浆钻孔灌注桩;静载荷试验;高应变 [gap=1109]Keywords:posterior grouting bored pile; static loading test; high strain
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后压浆钻孔灌注桩可以大大改善桩体的受力性能，提高单桩承载力，是对传统工法的一项重大突破。
The posterior grouting bored pile can greatly improve the pile's bearing performance and increase the pile capacity through the improvement to traditional process.
介绍了后压浆钻孔灌注桩的施工工艺，结合工程实例，从试桩、成桩工艺、桩基检测等方面进行了论述，指出后压浆钻孔灌注桩工艺具有承载力高、工程造价低的特。
Combined with practical work the construction technology of post-grouting bored pile is introduced and discussed from test pile, construction procedure, pile foundation test and other aspects.
结合实际工程，对嵌入卵石层钻孔灌注桩后压浆设计、施工中后压浆方法的选择、注浆量的确定、后压浆桩的承载力计算、后压浆在超长桩中的应用等进行了研究。
Based on actual projects, it carries out research on the choice of post-grouting method, grouting quantity and bearing capacity of bored pile, and the application of post-grouting in super-long pile.
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