桩锚支护中锚杆内力分布的现场试验
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The distributed of anchor intemal force in PARS on site test
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    摘要:

    本文以邯郸某桩锚支护中锚杆的实测应变值为基础,推导锚杆轴力分布及侧摩阻力分布规律。研究表明:锚杆的轴力沿锚固段递减,在自由段存在最大值且变化幅度小,随时间的推移而增加;锚杆的侧摩阻力在锚固段递增,在自由段值很小且基本不变,整体呈不均匀分布,且随着灌浆所形成的水泥土强度和基坑变形的增加而增加。

    Abstract:

    The distribution rule of axis force and friction is studied basing on the stress values by test of anchor in PARS in Handan.The results show that the axis force of anchor along the anchoring is descending and there is a maximum moreover the range of variation small in the free-field and the changes along with time;the friction of anchor is increase along the anchoring and tinily along the free-field moreover immutability,the distribution in the large is uneven,the deformation of foundation pit and the friction of anchor increase along with the intensity of cement-treated soil.

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刘春晓,贾志刚.桩锚支护中锚杆内力分布的现场试验[J].河北工程大学自然版,2008,25(3):61-63

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  • 收稿日期:2008-05-27
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  • 在线发布日期: 2015-01-12
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