| 纤维加筋粘性土的试验研究 |
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| 引用本文： | 李广信,陈轮,郑继勤,介玉新. 纤维加筋粘性土的试验研究[J]. 水利学报, 1995, 0(6): 31-36 |
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| 作者姓名： | 李广信 陈轮 郑继勤 介玉新 |
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| 作者单位： | 清华大学水电系 |
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| 摘 要： | 本文通过对纤维加筋粘性土的剪切试验，拉伸试验，断裂韧度测定试验和水力壁裂试验等系统的试验的研究。指出纤维加筋能显著提高粘性土的抗剪强度，增加其在拉应力作用下的塑性和韧性。由纤维加筋粘性土在受拉时表现为裂而断，这就能防止土工建筑物由于开裂和渗透而造成的整体破坏，增强了其自愈的能力。
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| 关 键 词： | 纤维加筋土 抗拉强度 断裂韧度 试验 粘土 |
Experimental study on fiber-reinforced cohesive soil |
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| Li Guangxin, Chen Lun, Zheng Jiqin, Jie Yuxin. Experimental study on fiber-reinforced cohesive soil[J]. Journal of Hydraulic Engineering, 1995, 0(6): 31-36 |
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| Authors: | Li Guangxin Chen Lun Zheng Jiqin Jie Yuxin |
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| Affiliation: | Tsinghua University |
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| Abstract: | A series of tests including shear test, tension test, fracture toughness test and hydraulic fracturing test has been performed for fiber-reinforced cohesive soil. The test results show that in comparison with ordinary cohesive soil, fiber-reinforced cohesive soil has higher shear strength, toughness, plasticity and possesses self-seaming ability. This kind of soil may be cracked but will not breaks under tension, thus preventing earth structures from complete failure. |
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| Keywords: | fiber - reinforced soil tensile strength fracture toughness hydraulic fracture. |
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