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SELECTION PILE FOUNDATON TYPE AND BEARING STRATUM FOR XIGANG FLY- OVER MAIN BRIDGE OF SHANTOU CITY
Author(s): 
Pages: 28-32
Year: Issue:  2
Journal: GUANGDONG GEOLOGY

Keyword:  高架桥主桥桩基础持力层桩型汕头;
Abstract: 阐述了汕头市西港高架桥主桥(跨径138 m)桥址地基土的工程地质特征(上部有30多米的淤泥);经综合论证、分析、计算,大桥基础型式采用桩基础,桩基础持力层选用了第13层微风化花岗岩.汕头市第四纪覆盖层厚度一般为50~60 m,在软土较厚、下伏基岩埋藏较深的地质条件下,兴建大跨径桥梁采用大桩径且以基岩为桩基持力层的桩基础是比较经济的.
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