|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | 自由膨胀条件下高压密膨胀粘土微观结构随吸力变化特征显示文摘核废料处置问题是世界各国安全利用核能所关心的重大问题。作为用于封堵通往地下处置库的通道,以隔断处置库内核废料与外界环境联系的首选隔绝用材料——膨胀性粘土的特性正越来越受到岩土工程界的关注。利用压汞测试法和电镜扫描法方法,对吸力控制条件下高压密蒙脱石充分自由水化后微结构变化特征展开平行对比试验,以研究高压密蒙脱石在不同吸力条件下的体积变化特征。吸力的控制采用了渗析(液相)法。试验对不同密实度的压密膨胀土随吸力变化特征的进行了研究。研究结果表明:(1)压实膨胀土水化过程中的膨胀势与初始压实密度有关,初始压实密度越大,膨胀势越大;(2)体积膨胀量与水化过程的控制吸力之间存在近似的半对数衰减关系,且随着控制吸力的增大,衰减速率减弱;(3)体积的膨胀主要来源于膨胀土集合体结构中集合体之间的大孔的扩张。 | 叶为民 黄雨 崔玉军 唐益群 Delage P | 2005 | 岩石力学与工程学报2005，24，24： | 24 |
| 2 | 黄土的湿陷性及其评价准则显示文摘针对法国高速列车沿线黄土区域内部分站台周围雨季出现多处落水洞问题,对黄土路基土的地质及岩土特征、特别是黄土的湿陷性展开研究。在阐述法国北部黄土基本特征的基础上,对巴黎以北140km处高速列车沿线原状黄土的湿陷性进行了试验研究,探讨了初始含水量对黄土湿陷性的影响,以期能对现场条件下季节性含水量变化对黄土湿陷性的影响进行预测判断。结果表明,初始含水量的变化对湿陷性的影响很明显,并且随着含水量的增加,湿陷量会线性地降低,这表明在湿陷准则中必须考虑初始含水量的影响。最后依据试验结果,分析探讨了几种湿陷性判别准则的适用性。 | 叶为民 崔玉军 黄雨 Delage P | 2006 | 岩石力学与工程学报2006，25，3： | 20 |
| 3 | 微观结构对用于工程屏障的高压实膨胀黏土性状的一些作用(英文)显示文摘近 10 a 来,用于高放废物工程屏障的高压实膨胀黏土的性状受到了广泛关注。据此通过吸力控制试验获取了一些高压实膨润土的试验数据,并从微观结构特性角度进行了解释。水分滞留和迁移特性,以及吸力变化下的膨胀反应都与微观机理相关,同时对吸附阳离子的作用也进行了评价。 | Delage Pierre | 2006 | 岩石力学与工程学报2006，25，4： | 8 |
| 4 | Microstructure and anisotropic swelling behaviour of compacted bentonite/sand mixture显示文摘Pre-compacted elements(disks,torus) of bentonite/sand mixture are candidate materials for sealing plugs of radioactive waste disposal.Choice of this material is mainly based on its swelling capacity allowing all gaps in the system to be sealed,and on its low permeability.When emplaced in the gallery,these elements will start to absorb water from the host rock and swell.Thereby,a swelling pressure will develop in the radial direction against the host rock and in the axial direction against the support structure.In this work,the swelling pressure of a small scale compacted disk of bentonite and sand was experimentally studied in both radial and axial directions.Different swelling kinetics were identified for different dry densities and along different directions.As a rule,the swelling pressure starts increasing quickly,reaches a peak value,decreases a little and finally stabilises.FOr some dry densities,higher peaks were observed in the radial direction than in the axial direction.The presence of peaks is related to the microstructure change and to the collapse of macropores.In parallel to the mechanical tests,microstructure investigation at the sample scale was conducted using microfocus X-ray computed tomography(μCT).Image observation showed a denser structure in the centre and a looser one in the border,which was also confirmed by image analysis.This structure heterogeneity in the radial direction and the occurrence of macro-pores close to the radial boundary of the sample can explain the large peaks observed in the radial swelling pressure evolution.Another interesting result is the higher anisotropy found at lower bentonite dry densities,which was also analysed by means of μCT observation of a sample at low bentonite dry density after the end of test It was found that the macro-pores,especially those between sand grains,were not filled by swelled bentonite,which preserved the anisotropic microstructure caused by uniaxial compression due to the absence of microstructure collapse. | Simona Saba Jean-Dominique Barnichon Yu-Jun Cui Anh Minh Tang Pierre Delage | 2014 | Journal of Rock Mechanics and Geotechnical Engineering2014，6，2： | 8 |
| 5 | Temperature effects on the volume change behaviour of Boom clay显示文摘 | N Sultan P Delage Y.J Cui | 2002 | Engineering Geology2002，，2： | 3 |
| 6 | The relationship between suction and swelling properties in a heavily compacted unsaturated clay显示文摘 | P Delage M.D Howat Y.J Cui | 1998 | Engineering Geology1998，，1： | 2 |
| 7 | Study of the structure of a sensitive Champlain clay and its evolution during consolidation 显示文摘 | Delage P Lefebvre G | 1984 | Canadian Geotechnical Journal1984，21，： | 1 |
| 8 | The impact of UGT1A8, UGT1A9, and UGT2B7 genetic polymorphisms on the pharmacokinetic profile of mycophenolic acid after a single oral dose in healthy volunteers显示文摘 | Levesque E Delage R Benoit-Biancamano MO | 2007 | Clin PharmacolIher2007，81，3： | 1 |
| 9 | Field Simulation of in Situ Water Content and Temperature Changes Due to Ground-atmospheric Interactions 显示文摘 | Cui Y J Lu Y F Delage P | 2005 | Geotechnique2005，55，55： | 1 |
| 10 | Ageing Effects in a Compacted Bentonite: A Microstructure Approach 显示文摘 | Delage P Marcial D Cui Y J | 2006 | Geotechnique2006，56，5： | 1 |
| 11 | A new hollow cylinder triaxial cell to study the behavior of geo-materials with low permeability显示文摘 | MONFARED M DELAGE P SULEM J | 2011 | International Journal of Rock Mechanics and Mining Sciences2011，48，： | 1 |
| 12 | Yielding and plastic behaviour of an unsaturated compacted显示文摘 | CUI Y J DELAGE P | 1996 | Gé otechnique1996，46，2： | 1 |
| 13 | Ursolic acid induces apoptosis through mitochondrial intrinsic pathway and caspase-3 activation in M4Beu melanoma cells 显示文摘 | Harmand P O Duval R Delage C | 2005 | Int J Cancer2005，114，1： | 1 |
| 14 | Yielding and plastic behaviour of an unsaturated compacted silt显示文摘 | CUI Y J DELAGE P | 1996 | Geotechnique1996，46，2： | 1 |
| 15 | Field simulation of in site water content and temperature changes due to ground-atmospheric interactions显示文摘 | CUI Y J LU Y F DELAGE P | 2005 | Geotechnique2005，55，7： | 1 |
| 16 | Some Further Evidence on a Specific Effect of Silica Fume on the Pore Structure of Portland Cement Mortars 显示文摘 | Buil M Delage P | 1987 | Cement and Concrete Research1987，17，1： | 1 |
| 17 | Ageing effects in a compacted bentonite: a microstructure approach显示文摘 | DELAGE P MARCIAL D CUI Y J RUIZ X | 2006 | Geotechnique2006，56，5： | 1 |
| 18 | An evaluation of the osmotic method of controlling suction显示文摘 | DELAGE P CUI Yujun | 2008 | Geomechanics and Geoengineer- ing2008，3，1： | 1 |
| 19 | Temperature effects on the volume change behaviour of Boom clay 显示文摘 | SULTAN N DELAGE P CUI Y J | 2002 | Engineering Geology2002，，64： | 1 |
| 20 | On the thermal consolidation of boom clay显示文摘 | Delage P Sultan N CUI Yu-jun | 2000 | Canadian Geotechnical Journal2000，37，4： | 1 |
您所在的机构暂未开通此部分的功能，请联系管理员