IN-SOIL HYDRAULIC TRANSMISSIVITY OF GEOSYNTHETIC DRAINS IN THE LABORATORY

机译：实验室中土工合成排水的土壤水力透过率

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When geosynthetics such as plastic board drains are employed for drainage material in embankment, the drainage ability could be deteriorated owing to the sustained earth pressure, implying that the cross sectional area of the geosynthetics could be decreased by the compressive overburden stress. In engineering practice, it is thus of great importance to evaluate the in-soil performance of geosynthetic drains. In so doing, the in-soil hydraulic transmissivity of geosynthetic drains should be properly measured in the laboratory. In this paper, the hydraulic transmissivity of two types of plastic board drains was carefully examined in the laboratory by using fine-grained clay, poorly graded fine sand and well-graded granular material.

机译：当将土工合成材料（如塑料板排水管）用于路堤中的排水材料时，由于持续的土压力，排水能力可能会降低，这意味着土工合成材料的横截面面积可能会因压缩覆土应力而减小。因此，在工程实践中，评估土工合成材料排水沟在土壤中的性能非常重要。这样做时，应在实验室中适当测量土工合成材料排水沟在土壤中的水力透过率。在本文中，通过使用细粒粘土，低等级细砂和高等级粒状材料，在实验室中仔细检查了两种类型的塑料排水管的水力透过率。

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来源
《Geosynthetics in Civil and Environmental Engineering》|2008年|434-439|共6页
会议地点 Shanghai(CN);Shanghai(CN)
作者
Cheng Shu; rnRen Li-yan; rnLiu Bin;
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作者单位

K.Hara@Technical Research Center,Taiyokogyo Corporation (Sun),Osaka,JAPAN--J.Mitsui@Department of Civil Engineering,Kobe University,JAPAN--K.Mitsumune@Department of Civil Engineering,Kobe University,JAPAN--J.G.Chae@Department of Civil Engineering,Kobe University,JAPAN--S.Shibuya@Department of Civil Engineering,Kobe University,JAPAN--;

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原文格式 PDF
正文语种 eng
中图分类建筑材料;
关键词
plastic board drain; transmissivity; in-plan flow; hydraulic gradient; in-soil; geocomposite;

机译：塑料板排水;透射率;平面内流动;水力梯度;土壤内;土工复合材料;

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专利

1. Hydraulic Considerations in Geosynthetic and Aggregate Subsurface Drains [J] . S. David Graber Journal of Environmental Engineering . 2007,第9期

机译：土工合成和地下排水中的水力考虑
2. Effect of hydraulic radius on long-term drainage capacity of geosynthetics drains [J] . J.-C. Chai, N. Miura, T. Nomura Geotextiles and Geomembranes . 2004,第1a2期

机译：水力半径对土工合成材料排水渠长期排水能力的影响
3. Laboratory Measurements of Discharge Capacity Under Incremental Confining Pressure of Geosynthetic Drains [J] . Galuh Chrismaningwang, Hary C. Hardiyatmo, Agus D. Adi, International Review of Civil Engineering . 2020,第5期

机译：土工合成排水管增量限制下放电容量的实验室测量
4. IN-SOIL HYDRAULIC TRANSMISSIVITY OF GEOSYNTHETIC DRAINS IN THE LABORATORY [C] . Asian Regional Conference on Geosynthetics . 2008

机译：实验室中土工合成排水管的土壤液压透射率
5. Prefabricated geosynthetic drains: Characterization and implementation in MSE structures. [D] . Gusbar, Vincent F. 2006

机译：预制土工合成排水管：MSE结构的表征和实施。
6. Effect of overburden confining stress on hydraulic performance of geosynthetic clay liners (GCLs) [O] . I.A. Weerasinghe, C. Gallage, L. Dawes 2021

机译：覆盖压力压力对土工合成粘土衬里水力性能的影响（GCLS）
7. Effect of hydraulic radius on long-term drainage capacity of geosynthetics drains [O] . J. -c. Chaia, N. Miurab, T. Nomurac 2003

机译：水力半径对土工合成材料排水长期排水能力的影响
8. Hydraulic Laboratory Manning's n and Grade Deviation Study for 4-Inch-Diameter Nonperforated,Corrugated Plastic Drain Tubing, [R] . zeigler, e. r. 1978

机译：4英寸直径无孔波纹塑料排水管的液压实验室配员和等级偏差研究，

IN-SOIL HYDRAULIC TRANSMISSIVITY OF GEOSYNTHETIC DRAINS IN THE LABORATORY

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