DEALING WITH REACTIVE CLAY SOILS THROUGH A NATIONAL STANDARD

D. A. Cameron

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DEALING WITH REACTIVE CLAY SOILS THROUGH A NATIONAL STANDARD

机译：通过国家标准处理反应性粘土土壤

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Australia has had a national standard for site classification and design of footings for reactive soils for nearly 30 years. From the outset, the Standard, AS2870, has implemented a simple rational model for quantifying reactive soil foundation movement. The parameters of the model have from necessity been calibrated against empirical observations. The philosophical approach adopted in the Standard envisages that footing designers, builders and homeowners all have parts to play in managing sites on reactive soils. This paper reviews the background to the Standard and its development over time. The paper presents the site classification process, tests to quantify clay soil reactivity, design suction changes, the Thornthwaite climate index, the impact of trees on footing design and current practice. Examples are provided of ground movement calculations for normal site classification, classification adjusted for reactive soil fills and tree-drying settlement. Research areas which are needed to improve the Standard are discussed.

机译：澳大利亚拥有近30年来的现场分类和场地分类和设计的基础设计标准。从一开始，标准为AS2870，已经实施了一种用于量化无功土基础运动的简单合理模型。模型的参数来自必要性，针对经验观察结果校准。标准设想中采用的哲学方法，即脚踏设计师，建筑商和房主都有零件可以在有反应性土壤上进行管理网站。本文审查了标准的背景及其随着时间的推移。本文提出了现场分类过程，试验，量化粘土土壤反应性，设计吸力变化，荆棘龙气候指数，树木的影响对基础设计和目前的实践。实例提供了用于正常场地分类的地面运动计算，调整用于无反应土壤填充和树干沉降的分类。讨论了改善标准所需的研究区域。

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来源
《Australian Geomechanics》 |2018年第1期|共15页
作者
D. A. Cameron;
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作者单位

Adjunct Associate Professor School of Engineering RMIT University and Adjunct Senior Research Fellow at School of Natural &

Built Environments University of South Australia;

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原文格式 PDF
正文语种 eng
中图分类地质力学;
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1. DEALING WITH REACTIVE CLAY SOILS THROUGH A NATIONAL STANDARD [J] . D. A. Cameron Australian Geomechanics . 2018,第1期

机译：通过国家标准处理反应性粘土土壤
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7. Removal of 2,4,6-Trichlorophenol from Spiked Clay Soils by Electrokinetic Soil Flushing Assisted with Granular Activated Carbon Permeable Reactive Barrier [O] . Clara Ruiz, Esperanza Mena, Pablo Cañizares, 2013

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8. Report of the ISSMFE (International Society for Soil Mechanics and Foundation Engineering) Technical Committee on Penetration Testing of Soils-TC 16 with Reference Test Procedures; CPT (Cone Penetration Test), SPT (Standard Penetration Test), DP (Dynamic Probing), WST (Weight Sounding Test) [R] . Bergdahl, U. 1989

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DEALING WITH REACTIVE CLAY SOILS THROUGH A NATIONAL STANDARD

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