STRESS-CONFINEMENT EFFECT OF NONWOVEN GEOTEXTILE ON DESIGN OF REINFORCED SOIL RETAINING WALL
STRESS-CONFINEMENT EFFECT OF NONWOVEN GEOTEXTILE ON DESIGN OF REINFORCED SOIL RETAINING WALL
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无纺土工布对加筋土挡墙设计的应力约束效应
DOI：
10.3208/sandf.37.4_121
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发表时间：
1997
期刊：
影响因子：
--
通讯作者：
F. Tatsuoka
中科院分区：
文献类型：
--
作者：
H. Ling;D. Leshchinsky;F. Tatsuoka
讨论了非织造土工布应力约束效应的设计意义。利用所选针刺非织造土工布的无侧限和有侧限强度，基于极限平衡方法对粒状土挡土墙进行比较设计。当考虑与无限制强度相比的限制强度时，可以允许更高的墙。对于选定的墙高度，与使用无侧限强度设计的土工织物相比，有限强度允许使用更少的土工织物层。建议应力约束测试程序标准化，以便某些非织造土工布的约束效果可以纳入单独的墙体设计程序中。
The design implication of stress-confinement effect of nonwoven geotextile is addressed. The unconfined and confined strengths of a selected needle-punched nonwoven geotextile are used to conduct a comparative design of a granular soil retaining wall based on a limit equilibrium approach. A higher wall may be allowed when considering the confined strength as compared to the unconfined strength. For a selected wall height, confined strength allows for fewer geotextile layers when compared to that designed using unconfined strength. It is recommended that stress-confinement test procedure should be standardized so that confinement effect of some nonwoven geotextiles may be incorporated into an individual wall design procedure.