| 1. | Determination of compaction parameters of clay - core dam of ni ' erji reservoir 尼尔基水利枢纽工程心墙坝粘性土料压实参数的确定 |
| 2. | It has much more advantages in the wet seasons . the main dam is the rolled asphalt rock - fill with the concrete core in nierji project 尼尔基水利枢纽工程主坝防渗型式采用碾压式沥青混凝土心墙坝。 |
| 3. | The embankments with asphalt concrete cores are more than 80 including 20 in china and none of them has been repaired since 1955 其中沥青混凝土心墙坝有80余座,我国有20余座,自1955年至今无一修补。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | At mean time , it is very important to study and adopt new dam construction techniques in the world , such as to focus on the wide application of the rock - fill concrete deck and rolled asphalt concrete core dams 同时,学习和引进国外坝工新技术,如重点推广应用的混凝土面板堆石坝和碾压式沥青混凝土心墙坝等新坝型。 |
| 7. | The rolled asphalt rock - fill dam with concrete core is one of new impervious structures in the rock - fill dams . it has very high imperviousness with ability to fit the deformation and it is easy to organize the construction 碾压式沥青混凝土心墙坝是土石坝的一种新型防渗结构,具有防渗性,能好、适应变形能力强、易于施工等特点。 |
| 8. | According to status of mengshan clay core dam in zibo , shandong province , using numerical value analysis theory and technique of dam construction , this paper put forward efficiency strengthen method hi the base of study and analysis 本文结合山东省淄博市萌山水库心墙坝的具体情况,利用数值分析理论及土石坝加固新技术,在深入分析研究的基础上,提出相应有效,可行的加固措施。 |
| 9. | Pore - water pressure distribution calculated by the program is used to slope limited equilibrium analysis , is synthetically analyzed with the fluctuation of the upper reach ' s water level of dam and core - wall dam upper or down are analyzed synthetically when the upper water level changed 把在计算非稳定渗流中所得到的孔隙水压力分布用于边坡极限平衡分析。综合分析坝体上游水位变化时,均质坝上、下游边坡和心墙坝上游边坡安全系数的变化规律。 |
| 10. | Abstract : according to the charateristics of the rock fill dam with an asphaltic concrete core wall , the reasonable models are chosen to simulate the rock dam body , rigid subwall and asphaltic concrete core wall , a method is suggested to investigate the interface between subwall and core wall , the local stress distribution of the core wall is taken into consideration in the calculation 文摘:结合沥青混凝土心墙堆石坝的结构特点,对堆石坝体、刚性副墙、沥青混凝土心墙分别采用了合理的计算模型,提出了刚性副墙与心墙接触面的模拟方法,研究了心墙的局部应力问题,并用该方法对某沥青混凝土心墙坝进行了计算,得出了一些规律性结论 |