| 1. | Stress analysis of the rock fill dam with asphaltic concrete core wall 冶勒堆石坝沥青混凝土心墙型式及尺寸研究 |
| 2. | Asphaltic concrete mixer 沥青混凝土拌合机 |
| 3. | But for the poured asphaltic concrete ( pac ) , it is only in the testing stage and lacks systematic a anlyses and prototype observations 而浇筑式沥青混凝土处于试验阶段,缺少系统地研究和原型观测。 |
| 4. | Since 1970 " s , ten and more poured asphaltic concrete core rockfill dams ( pcrd ) have been built in the northeren region of china 自七十年代以来,我国北方地区已建成浇筑式沥青混凝土心墙堆石坝十余座。 |
| 5. | The maopingxi embankment dam ( med ) with an asphaltic concrete core wall , an a - class permanent building , is an important part of three gorges project 茅坪溪防护大坝属一等一级永久建筑物,是三峡工程的重要组成部分。 |
| 6. | High asphaltic concrete core dam is one of the new developing directions in dam construction of the world . it is important to study the parameters back analysis 高沥青混凝土心墙坝是当今世界坝工领域新的发展方向之一,对沥青混凝土心墙材料进行参数反演分析具有重要的理论意义和实用价值。 |
| 7. | 3 ) the six parameters of the asphaltic concrete core dam is inversed by least square , bayes random and bp neural network method . the sensitivity analysis of the parameters is studied 分别用最小二乘法、 bayes随机法和bp人工神经网络法反演沥青混凝土心墙材料的六个参数,并对参数的敏感性进行研究。 |
| 8. | Combined with the behavior in 1st constructing period of maopingxi dam , nonlinear fem calculation and material parameter back analysis are applied to the maopingxi asphaltic concrete core dam 本文结合茅坪坝期施工情况,对茅坪溪沥青混凝土心墙坝进行了非线性有限元应力应变计算和坝体材料参数反演分析。 |
| 9. | 2 ) duncan e - u model is applied to the material of the dam . the feasibility of using duncan model is discussed . the duncan e ~ u model which considers the creep character of asphaltic concrete is adopted 坝壳材料选用邓肯e -模型;讨论沥青混凝土心墙材料选用邓肯模型的可行性,最终采用考虑沥青混凝土蠕变特性的改进邓肯模型。 |
| 10. | Sbs modified asphaltic concrete roads has the predominant capability than other traditional asphaltic roads and other modified asphaltic roads . at present , it has gained extensive attention and altitudinal regard from the chaussee industry Sbs改性沥青混凝土路面由于具有其他传统沥青路面和其他改性沥青路面无法比拟的优越性能,目前已得到了公路工程界的广泛关注和高度重视。 |