| 1. | The study of transient state rayleigh wave in inspection of degree of compaction of subgrade
瞬态面波法检测路基压实度的研究与探讨 |
| 2. | Testing of asphalt ; determination of bulk density , compacted density , void content and degree of compaction
沥青的检验.体密度压实密度空隙含量和压缩程度的 |
| 3. | At present , the maximum dry density , which is a very import parameter of the degree of compaction , is ascertained by standard indoor compaction test
目前，对于公路工程路基土施工质量压实度检测应用的最大干密度是通过室内标准击实试验来确定。 |
| 4. | Making the use of impact compaction technique to treat roadbed can assure the degree of compaction of roadbed banquette further , and reduce the sedimentation of roadbed
利用冲击压实技术处理路基，可以进一步保证路基填土压实度指标的控制，减少路基工后沉降。 |
| 5. | A levee ' s height , the depth of its foundation or pilings , the quality of its materials , the degree of compaction ( done by driving heavy machinery over the layers ) , and the type of slope finish depend greatly on the money approved for a project
海堤高度、地基或打桩深度、物料品质、压实程度（以重机具在土层上行驶） ，以及边坡表面种类等，大多取决于工程经费。 |
| 6. | It demonstrates the knowledge and application of geo - detective radar , as well as mainly elaborates on the principles of inspection of tunnel lining depth ( including depth of concrete as lining ; internal defects and the degree of compaction lining backward etc . ) ; combining the case practice in the inspection of depth and defects of many tunnels , it demonstrates the outstanding effect of geo - detective radar when it is applied to the inspection of tunnel lining depth
本文通过对探地雷达的认识和应用，重点论述了铁路隧道衬砌厚度的检测(包括衬砌混凝土的厚度、内部缺陷等等)的原理，通过对多座隧道衬砌厚度及缺陷的实际检测，论证了探地雷达在铁路隧道施工质量检测方面的应用是可行的和有效的，其作用是显著的。 |
| 7. | To control the settlement of roadbed , the degree of compaction regulated by current criterion is not enough , the mechanics parameter of filler compacted - - deformation parameter should be considered and dual control criterion should be put in practice . to get upper deformation parameter of xigeda stratum filler , the percentage of mudstone should be controlled . the thickness of filling layer regulated by current criterion can be increased if the compaction car has proper function
通过此次研究，获得了对路堤变形问题的新的认识，即为了控制路堤的沉降变形，不仅应满足现行规范中规定的压实度标准，还应该引入填料压实后的力学参数? ?变形模量值标准，实行双重控制标准，而对于昔格达地层这种混合填料，为了获得较大的模量值，应该控制填料中泥岩的含量；现行公路路基施工规范中对路堤填筑时分层填筑厚度的规定值，在压实机具功能满足的条件下，可以适当提高。 |
| 8. | The thesis deals with transient r - surface wave processing and artificial neural networks and develops a way of detecting and estimating the degree of compaction , uniformity , the bearing capacity of the dynamic foundation . r - surface wave theory and its engineering application are discussed . the r - surface wave equation and artificial neural network bp algorithm are deduced
在深入掌握瑞雷面波理论和人工神经网络理论及其工程应用现状的基础上，系统地推导了均匀半空间介质和层状介质的瑞雷波方程和人工神经网络bp法公式，完善了瞬态瑞雷面波正反演处理软件，编制了基于人工神经网络bp法非线性处理软件。 |
| 9. | By the research of homemade asphalt ( modified asphalt ) used on the trial - section , we get the requirements that asphalt should meet to when used in the region of littoral of zhejiang province . by the research of porosity , degree of compaction and the marshall test of asphalt concrete , we elicit that the best thickness of asphalt film for ac - 25 is about 9 m , and for ac - 16 is about 8 m , and for ac - 13 is about 8 m
通过对试验路沥青混凝土配合比试验研究得出， ac ? 25型沥青混凝土的沥青膜厚为9 m左右时，沥青混凝土的综合性能较好； ac ? 16型沥青混凝土的沥青膜厚为8 m左右时，沥青混凝土的综合性能较好； ac ? 13型沥青混凝土的沥青膜厚为8 m左右时，沥青混凝土的综合性能较好。 |
| 10. | Through much analysis of laboratory experiments , this paper reach the conclusion that aggregate gradation , degree of compaction , water cement ratio and magnitude of cement are the main factors that influence the coefficient of permeability and the compressive resilience modulus of high air void cement - stabilized crushed stone mixture
本文通过大量的室内试验发现，集料级配组成、压实度、水灰比和水泥用量是影响大孔隙水泥稳定碎石混合料渗透系数和抗压回弹模量的主要因素。 |
