当水泥掺量为10%时,掺砂量为50%的水泥土强度达到最佳。
When the cement content is 10%, the sand content is 50% reaching maximum strength.
对于水泥土搅拌桩法来说,软土中的有机质显然会对水泥土强度产生影响。
For cement deep mixing method, the soft soil organic matter would obviously affect the strength of cement.
通过立方体抗压强度试验和电子显微镜(sem)研究高含盐量对水泥土强度影响的内在机理。
By using cube compressive strength test and SEM, the inherent reason of the bad influence can be explored.
本文还通过在改良土中置换一定比例的砂土来改善土料的颗粒级配,以降低循环失水对水泥土强度的影响。
The authors also try to improve grain composition of soil by replacing cement soil with some sand to reduce influence of environmental change to strength of cement improved soil.
水泥土无侧限抗压强度的增大速率随龄期的增大而逐渐减小,随着水泥掺入比的增加而增大;
The increase velocity of the UCS decreased gradually with the increasing of curing period, but increased with the increasing of cement ratio.
试验表明,一定掺量下的纳米硅粉能够显著提高水泥土的各个龄期强度。
The results suggest that nanometer silica fume can greatly improve the unconfined compression strength of cemented soil at various curing periods.
通过回归分析,建立水泥土的无侧限抗压强度随掺入比及龄期的数学表达式。
Through regressive analysis on the laboratory testing results of cement-soil, the mathematical expression among UCS of cement-soil and cement ratio and curing period were established.
在此基础上得到了水泥土抗压强度平均值和单桩承载力的理论值。
On this basis, the mean value of the compression strength and the theoretical value of pile carrying capacity are gained.
通过室内试验,探讨了纳米硅粉水泥土的强度特性。
Based on the experiments, strength characteristics of nanometer silica fume reinforced cemented soil have been analyzed.
从水泥土固化机理出发,讨论并对比了掺加工业废料加固土与普通水泥土的无侧限抗压强度试验。
Based on discussion of its mechanism, the unconfined compression strength test is discussed and compared with ordinary cement-stabilized soil.
素土经改良后具有良好的水稳定性,强度损失明显减少,以6%水泥土的水稳定性最佳。
The modified soil has a better water stability, with the loss of its strength obviously reduced, and when the blend ratio is 6%, its stability is the best in the tests.
在大量试验基础上,本文首先分析了影响纳米硅水泥土抗压强度的因素和变化规律。
Based on lots of laboratory tests, influence factors and variable rules of the NCSS compression strength are analyzed.
试验结果表明,这一措施对水泥土绝对强度的提高有一定程度的改善作用。
Results show that this measure is useful to increase strength of cement improved soil.
研究了纤维掺量、纤维长度、水泥土的水灰比等对纤维水泥土的抗折强度,抗压强度,抗拉强度和弹性模量的影响。
The effect of the amount of fiber, the length of fiber, the ratio of water to cement on tensile strength, shear strength, compressive strength and elastic modulus was investigated.
分析了玻璃纤维长度和掺入量对水泥土抗压和抗拉强度的影响机理。
The effects of content and length of glass fibers on the strength of soil cement mixtures and the mechanism of glass fiber reinforcement were studied.
经推断,很可能是高浓度的可溶盐抑制了水泥土的水化和硬凝过程,从而导致强度降低。
It has been inferred that high concentration of soluble ions may have restrained the hydration and pozzolanic reactions, thus the strength development of cemented soil.
当掺量达到9%时,固化粉煤灰的强度就已经超过水泥掺量15%的水泥土的强度;
When proportion up to 9% the compressive strength of solidified fly ash exceeds the cement soil, which proportion of cement is 15%.
分析了用纵波波速和横波波速反推强度及灰土比的可靠性大小,并提出了水泥土波速和强度及灰土比的关系式。
The reliability of strength according to the wave velocity is analyzed, a formula about wave velocity and strength of soil-cement is given.
研究表明,水泥土电阻率随龄期和无侧限抗压强度的增大而增大,随着应变的增加而逐渐降低;
The electrical resistivity of cemented soil increased with the increment of age and unconfined compression strength, whereas decreased with the increment of strain.
分析表明纤维水泥土抗拉强度随着纤维掺量和长度的增加而增加,且纤维掺量对纤维水泥土抗拉强度的影响比纤维长度的影响更大。
The tensile strength of fiber soil stabilization with Portland cement was increased with dosage and length of fiber while the former was more effective than the latter.
并且对室内试验结果进行了统计分析,得到近似的拟合曲线,为预测水泥土后期强度提供依据。
Based on the test result, statistic analysis has been done and fitting curves have been given to forecast the long-term strength.
文中还定性分析了造纸厂污水中各化学成分对水泥土抗压强度的影响。
The paper also qualitatively analyzes the effect of effluent's chemical composition on the compressive strength of cemented soil.
测试结果表明水泥土的电阻率与水泥含量及无侧限抗压强度呈线性关系,利用水泥土电阻率的这一特性可进行水泥粉喷桩施工质量的检测。
The results show that the electrical resistivity is of linear relationship with cement content and un-confined compressive strength. It can be used to examine the quality of cement-soil piles.
研究污染对水泥土的强度的影响具有重要的理论意义和工程实际意义。
It has great theoretic and engineering meanings to study effect caused by pollution on the strength of cemented soil.
与普通水泥土桩相比,该新型水泥土桩具有更高强度、耐腐蚀性及防渗性能。
Compared with an ordinary cement soil pile, the novel cement soil pile has higher intensity, better corrosion resistance performance and better seepage prevention performance.
要想利用水泥搅拌法改良这些地基,就必须考虑水泥与污染土体搅拌制得的水泥土的强度变化。
To use cement mixing pile method to improve the polluted foundation, it is necessary to consider the strength change of cemented soil which is mixed by cement and polluted soil.
与纳米硅水泥土桩相比,具有成本低、强度高等优点且不污染环境。
Compared with a nanometer silicon cement soil pile, the novel cement soil pile has the advantages of low cost, high intensity, no environment pollution and the like.
试验研究表明:在水泥掺量一定的条件下,掺入一定量的砂,可以明显地提高水泥土的强度。
The experimental results indicate that the mixing with a certain amount of sand can significantly increase the strength of cement-soil under a certain cement content condition.
测试结果表明水泥土的电阻率与水泥含量及无侧限抗压强度呈线性关系,利用水泥土电阻率的这一特性可进行水泥粉喷桩施工质量的检测。
The results show that the electrical resistivity is of linear relationship with cement content and un confined compressive strength. It can be used to examine the quality of cement…
测试结果表明水泥土的电阻率与水泥含量及无侧限抗压强度呈线性关系,利用水泥土电阻率的这一特性可进行水泥粉喷桩施工质量的检测。
The results show that the electrical resistivity is of linear relationship with cement content and un confined compressive strength. It can be used to examine the quality of cement…
应用推荐