Sûù m [gap=1606]Key words soil mechanics，red clay，expansive soil，strength，fissure，swelling-shrinkage property
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... swell-neck pan head rivet ==> 盘头锥颈铆钉 swell-shrink characteristics ==> 胀缩性 swelled ground ==> 膨胀土 ...
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Chemical improvement is a common treatment method in engineering, and the strength,swell-shrinking property and plasticity index etc. of soil body are usually adopted to evaluate improvement effect.
化学改良是工程中常用的处治方法,评价改良效果通常也采用土体的强度、胀缩性及塑性指数等指标。
参考来源 - 用土水特征曲线分析膨胀土的改良效果Expansive soil is a kind of special clays featured with the Swell-Shrinking characteristic, fissure character and over-consolidation. With the constructions of a great number of high-grade expressways, the hazards and damages of expansive soils to highways become more and more.
膨胀土是一种具有胀缩性、裂隙性和超固结性的特殊粘土,随着高等级公路的大量修建,膨胀土对公路的危害和破坏日渐增多。
参考来源 - 降雨条件下考虑裂隙的膨胀土边坡非稳定渗流数值模拟·2,447,543篇论文数据，部分数据来源于NoteExpress
膨胀土胀缩性与土性指标之间的关系存在较大的模糊性和地域性。
There are fuzziness and regionalism between the expansion and shrink of soil and the performance indexes.
此外，在胀缩性方面，纤维的掺入减小了石灰土的膨胀性，但增加了收缩性。
Furthermore, addition of fibre caused a decrease in swelling potential of lime treated soils while led to an increase in shrinkage potential.
柳州市广泛分布的红粘土及次生红粘土层强度普遍较高，但具有弱-中等的胀缩性。
The red clay and secondary red clay widely distributed in Liuzhou City have low-middle swell shrinking property as well as more higher strength.
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