The paper not only discusses the construction quality control of backfill of sand cushion, but also provides the simple in-situ test method and deals with the theoretical analysis for its design.
本文针对砂垫层回填施工质量控制，提供了简易可行之现场测试手段，并就砂垫层设计方法作了理论分析和工程实践；
On the other hand, the effective large-scale sand fracturing requires optimum reservoir formation, fracturing fluid and techniques, and systematic control of the fracturing quality.
另一方面，大型加砂压裂作业有效，需有机地匹配和优化储层、压裂液和工艺，并系统地控制压裂质量。
The mechanism of sand adhering to casting parts is simply analyzed, some preventing measures for quality control proposed.
对铸件的粘砂机理作了简单分析，针对其影响因素，提出了防止铸件粘砂及其质量控制的措施。
Such a testing method is of practical sense in realization of molding sand testing and foundry production management and casting quality control.
该测试方法的应用对实现型砂性能检测、铸造生产管理和铸件质量控制具有现实意义。
Mathematical analysis for quality control of the reclamation of the used water glass sand has been described in this paper.
对水玻璃砂再生的质量控制进行了数理分析。
In order to test the composition of green sand on-line and control its quality, an optimizing direct-control system based on a new method has been developed by the authors.
为了实现型砂质量的快速在线检测和组分控制，本文作者研制了一种基于新方法的型砂质量直接优化控制系统。
The paper presents an elementary introduction to the quality control process and point of installation of sand compaction piles in water.
简要介绍了水上挤密砂桩的施工质量控制流程和要点。
This study analysis the critical issues and quality control points for sand-filling subgrade with case study of Shanghai S32 freeway construction practice.
论文结合上海S32高速公路填砂路基施工实践，探讨了填砂路基施工的关键问题和质量控制要点。
This study analysis the critical issues and quality control points for sand-filling subgrade with case study of Shanghai S32 freeway construction practice.
论文结合上海S32高速公路填砂路基施工实践，探讨了填砂路基施工的关键问题和质量控制要点。
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