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Effects of Soil Properties on the Performance of TRD Cut-Off Wall
المؤلفون المشاركون
Zhang, Peng
Wang, Shengnian
Song, Haomin
Rui, Kaijun
Li, Juncai
المصدر
العدد
المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-12، 12ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2019-08-21
دولة النشر
مصر
عدد الصفحات
12
التخصصات الرئيسية
الملخص EN
The trench cutting remixing deep wall (TRD) method is a new cement soil cut-off wall construction technique, which has been widely used in cofferdam, embankment dam, and underground waterproof curtain structures.
The chain cutter of TRD moves horizontally to cut and stir different soil layers by up and down to form a cement-mixed soil diaphragm wall with continuous and uniform thickness, the mechanics and permeability of which are obviously different from those of cement soil with a horizontally mixed single soil layer in traditional deep mixing pile (DMP).
In this paper, five sets of onsite walling tests with different cement ratios were carried out to analyse the unconfined compression and permeability of undisturbed cement-mixed soil in TRD.
The difference of both unconfined compressive and permeability coefficients in between TRD and DMP was analysed to discuss the stirring performance of TRD.
Then, the microscopic mechanism of soil properties affecting the performance of cement-mixed soil has been studied by scanning electron microscopy (SEM) in the unconfined compression strength test and permeability coefficient test of cement soil with different mixed soil properties.
The test results show that the unconfined compressive strength of cement-mixed soil is closely correlated to its gradation.
As the mixed soil gradation curve approaches to the Fuller curve, the unconfined compressive strength would gradually increase.
In mesoscopic, cement fine sand has a large pore structure, and the average pore area is 2.46 times as cement clay.
The permeability coefficient of cement-mixed soil is controlled by the proportion of fine sand content with high permeability.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Zhang, Peng& Song, Haomin& Rui, Kaijun& Li, Juncai& Wang, Shengnian. 2019. Effects of Soil Properties on the Performance of TRD Cut-Off Wall. Advances in Civil Engineering،Vol. 2019, no. 2019, pp.1-12.
https://search.emarefa.net/detail/BIM-1116950
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Zhang, Peng…[et al.]. Effects of Soil Properties on the Performance of TRD Cut-Off Wall. Advances in Civil Engineering No. 2019 (2019), pp.1-12.
https://search.emarefa.net/detail/BIM-1116950
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Zhang, Peng& Song, Haomin& Rui, Kaijun& Li, Juncai& Wang, Shengnian. Effects of Soil Properties on the Performance of TRD Cut-Off Wall. Advances in Civil Engineering. 2019. Vol. 2019, no. 2019, pp.1-12.
https://search.emarefa.net/detail/BIM-1116950
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1116950
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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