The Discussion of Rock & Soil Parameter of Bored Pile
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摘要: 桩周岩土极限摩阻力及其桩尖处岩土的容许承载力是公路工程钻(挖)孔摩擦灌注桩单桩竖向承载力计算的重要岩土工程设计参数,其取值是否适当事关工程安危和工程费用的经济合理。对此,工程勘察设计人员不仅应遵照《公路桥涵地基与基础设计规范》有关规定外,还应考虑场地地基岩土的地质时代、场地工程地质条件、岩土工程性质及有关因素合理取值,不可机械地依规范查表确定,这是岩土工程师应具有的最基本技能。
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关键词:
- 钻(挖)孔摩擦灌注桩 /
- 桩周岩土极限摩阻力和容许承载力值 /
- 取值商榷
Abstract: The ultimate shaft friction and end resistance of rock & soil are very important to the calculation of vertical bearing capacity of bored pile, and related to the engineering safty and economy. Therefore, in the design of bored pile, the designer should not only obey the code of Specifications for Design of Ground and Foundation of Highway Bridges and Culverts, but also take the geological age, the geotechnical conditions and other else factors into consideration.-
Key words:
- bored pile /
- ultimate shaft friction /
- end resisfance
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