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- roller compacted test 碾压试验
- Preliminary View on Moderately Weathered Sandstone Dam Shell Material Roller Compaction Test 浅谈砂岩弱风化坝壳料碾压试验
- On field roller compaction test of backfilling material for upper reservoir of Tongbai pumped storage station 桐柏抽水蓄能电站上库填筑料现场碾压试验
- Abstract: Based on the results of percolation test for core samples from a certain roller compact concrete dam in China, this paper presents a summary review on the law of precolation features of roller compact concrete. 文摘:根据国内某碾压混凝土工程坝体芯样渗透特性试验成果，对碾压混凝土渗透特性规律进行了总结评述。
- The Tuka hydropower project is a medium-sized hydropower development with a roller compacted concrete gravity dam in Yunnan province,China. 云南土卡河水电站是一个中型水电工程,拦河坝为碾压混凝土重力坝。
- roller compaction test 碾压试验
- With the fast developing of roller compacted concrete technique in building dam, currently the height of dams becomes more and more heigh. 随着碾压混凝土建坝技术的迅猛的发展，目前建坝高度越来越高。
- A new method for anti - seepage coating of roller compacted concrete dam by using wet - mix shotcreting polyacrylate emulsion cement mortar(PAE mortar) is presented in this paper. 针对碾压砼坝上游面的防渗，提出了湿法喷涂丙乳砂浆集中防渗的新方案。
- There has made a huge advance in roller compacted concrete damming technology of our country after about 20 years of further research and practical application. 经过近20年的深入研究和工程实践,我国碾压混凝土筑坝技术已有了很大的进步,其坝型、坝高、坝体体积和工程数量都已达到或超过目前世界先进水平。
- The problem of thermal stress and a need for temperature control in the mass concrete construction also occur in the roller compacted concrete dams(RCCD). 大体积混凝土的温度应力问题与温度控制要求在碾压混凝土坝中同样存在。
- The structure of the dam body and the diversion waterway of the 21st monolith of Longtan Roller Compacted Concrete(RCC) Gravity Dam is analyzed based on 3-D finite element method. 采用三维有限元法,对龙滩碾压混凝土重力坝21坝段坝体及引水道组合结构进行了分析。
- Once roller compaction is completed for each layer, apply rapid test of the density and porosity with a nuclear densimeter... 每层碾压完毕，用核子密度仪快速检测压实密度和孔隙率，...
- In the experiment the author study on increasing the durability (including strength, dry shrinkage, abrasion resistance and freeze resistance) of roller compacted concrete (RCC) by mixing fly ash. 摘要试验采用在碾压混凝土中掺入粉煤灰（其掺量占胶凝材料总量的10%25~45%25）的方法来提高碾压混凝土耐久性（包括强度、干缩、耐磨性和抗冻性）。
- Standard compaction test and undrained direct shear test were carried out. 实验方式是采取标准压实试验及不排水直接剪力试验。
- Roller compacted concrete is one of new road engineering materials, and it is helpful for solving conflicts among our country's requirements for construction and funds and resources for construction. 摘要道路碾压混凝土是一种新型筑路材料，有助于缓解当前我国建设需求与建设资金、资源矛盾。
- The performance of RCC is mostly decided by raw materials performance, we should chose proper roller compacted concrete raw materials and study their performance so that the quality is guaranteed. 碾压混凝土的性能主要取决于原材料的性能,选择合适的碾压混凝土原材料并研究其性能,使其满足高寒地区碾压混凝土坝的性能要求。
- CITA(Controlling Input Values Tracing Algorithm) proposed has been incorporated into SAT ATPG. CPU time of generating CNF and the traversing space are reduced. This algorithm gain compact test set with low price. 通过控制输入跟踪算法 (CITA)嵌入 SAT- ATPG中 ,减少了 CNF的构成时间和搜索空间 ,加速测试生成 ,减轻故障压缩工作量 ,又不损失最终测试集的精简
- The mechanism and model of sulfate attack on roller compacted concrete(RCC) with expansive agent have been proposed by investigating the microstructures of RCC with optical micrograph and SEM-EDS. 通过光学显微镜和电子显微镜观察分析硫酸盐对碾压混凝土的侵蚀特征,提出三种主要侵蚀的方式,并建立理论模型。
- Besides,several problems on precision in the indoors compaction test were putted up and discussed. 对土的压实原理做了简单论述,同时还提出了提高击实试验结果准确性时应注意的几个问题。
- It concludes that percolation of roller compact concrete is of self-compactness by time effect under continuous action of water head and there may exist partial Darcy flow regime in roller compact concrete under high water head. 认为在持续水头作用下，碾压混凝土的渗透具有时效自密性；高水头作用下的碾压混凝土可能存在偏达西流现象。
