Cement stabilization of soil is a useful method to improve the mechanical behaviors and engineering performance of soils in geotechnical design and construction projects involving weak or liquefiable soils. Among the factors affecting the strength of cement-stabilized soils, water content and water–cement ratio are important but less well understood because of controversial views. This paper presents a systematic laboratory study to investigate the effects of water content and water–cement ratio on the unconfined compressive strength, with good control of the packing density and void ratio of the tested specimens. The effects of void ratio and cement content are also investigated. The strength of the cement-stabilized sand continuously decreased with increasing water–cement ratio within the range of 0.5 to about 3. A general equation is suggested to evaluate the unconfined compressive strength of cement-stabilized soil. Finally, a new conceptual characterization chart is proposed with consideration of the effects of cement content, water content, and water–cement ratio.

中文翻译：

---

用于岩土工程的新设计图：表征水泥稳定砂

土壤的水泥稳定化是在涉及薄弱或可液化土壤的岩土工程设计和建设项目中提高土壤力学性能和工程性能的有用方法。在影响水泥稳定土强度的因素中，水含量和水灰比很重要，但由于争议的观点，人们对其了解较少。本文提供了系统的实验室研究，以研究含水量和水灰比对无边抗压强度的影响，并很好地控制了被测样品的堆积密度和空隙率。还研究了空隙率和水泥含量的影响。水泥稳定砂的强度随着水灰比在0.5至3范围内的增加而连续降低。建议使用一个通用方程式来评估水泥稳定土的无侧限抗压强度。最后，在考虑水泥含量，水含量和水灰比的影响的基础上，提出了新的概念表征图。