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耐久混凝土     
相关语句
  durable concrete
     Test Study of C50~C60 Marine Structure Durable Concrete
     C50~C60海工耐久混凝土的试验研究
短句来源
     Test Study on Marine Structure Durable Concrete for 70m Span Prestressed Concrete Box Girders of Hangzhou Bay Sea-Crossing Bridge
     杭州湾跨海大桥70m预应力混凝土箱梁用海工耐久混凝土的试验研究
短句来源
     Study on the concrete formulation of C50 durable concrete of box beam used in oceanic condition of the box beam of the hangzhou bay bridge
     杭州湾跨海大桥50m箱梁C50海工耐久混凝土配合比试验研究
短句来源
     ESupervision on the Quality of Durable Concrete Engineering in Qinghai-Tibet Railway
     青藏铁路耐久混凝土工程质量的监控
短句来源
     The results of the study indicate that the C50~C60 marine structure durable concrete can be well proportioned and produced by utilization of(P·Ⅱ42.5) Portland cement,Region Ⅱ medium sand,5~25 mm cracked stones,Grade Ⅰ or Ⅱ low calcium flyash,granulated furnace slag powder and new generation of high performance and high efficiency water reducing agent.
     结果表明,使用P. Ⅱ42.5硅酸盐水泥、Ⅱ区中砂5、~25 mm碎石、Ⅰ级或Ⅱ级低钙粉煤灰、粒化高炉矿渣粉及新一代高性能高效减水剂可以配制出C50~C60海工耐久混凝土
短句来源
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  perdurable concrete
     This paper aims to give a compendious introduction of some key technologies in constructing Qinghai-Tibet railway project,which includes : bored pile building technology in perennially frozen earth area, concrete construction schemes under frosty conditions with big difference in temperature, applications and quality control of perdurable concrete, perdurable concrete's cracking cases, cracking reasons and some preventive measures for it.
     介绍了青藏铁路多年冻土区桩基的施工技术及严寒大温差条件下的混凝土施工方案; 讨论了耐久混凝土的应用及质量控制,耐久混凝土非结构性开裂情况、开裂原因及裂缝防治措施。
短句来源
  durability concrete
     Construction Technology of Durability Concrete in Several Years Frozen Ground Areas of Tibetan Plateau
     青藏高原多年冻土区耐久混凝土施工技术
短句来源
  “耐久混凝土”译为未确定词的双语例句
     TECHNOLOGY OF CONCRETE WITH LOW SHRINKAGE, HIGH CRACK-RESISTANCE AND HIGH ENDURANCE IN ZHENGZHOU INTERNATIONAL CONFERENCE AND EXHIBITION CENTER
     郑州国际会展中心低收缩高防裂高耐久混凝土技术
短句来源
     Construction Techniques for Durable High Performance Concrete of Passenger Dedicated Railway Bridge Piers
     客运专线桥墩高性能耐久混凝土施工技术
短句来源
     Hence, the study of HPC namely High-Durability-Concrete has its definite realistic meaning, whether from the altitude of pure theoretic research or from the view of engineering practice.
     因此,对于高性能亦即高耐久混凝土的研究,无论是从纯理论研究的高度还是从工程实践的角度,都有其明确的现实意义。
短句来源
     Through the mixture and admixture technology, we can establish the mix design method based on concrete durability, and produce the medium-low strength and high strength concrete with high durability, and implement the use of High-Durability-Concrete in engineering.
     通过掺合料和外加剂技术,建立基于耐久性的混凝土配合比设计方法,研制出中低强度等级和高强度等级的高耐久混凝土,并实现高耐久混凝土在工程中的应用。 研究结果表明:
短句来源
     In consideration of the severe natural environment conditions along the Qinghai-Tibet Railway, several indexes on concretes durability are introduced to evaluate the physical performance and durability of HPC (High Performance Concrete) for the Bridge and Tunnel Structure of QingTibet Railway.
     针对青藏高原多年冻土区恶劣的自然环境条件特点,分析了青藏铁路桥隧结构混凝土的力学性能和长期耐久性能的具体指标,提出了提高混凝土耐久性的技术措施,介绍了青藏铁路专用DZ型高性能混凝土外加剂的品质指标及其混凝土的物理力学性能和长期耐久性能。 DZ型系列高性能耐久混凝土的主要性能达到如下要求:最低极限灌注气温为-20℃;
短句来源
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  durable concrete
Instead of empirical rules which are applied to produce durable concrete, a procedure has been proposed to analytically define the degree of environment agression.
      
On the other hand, definitions have been given for concrete characteristics relevant for a durable concrete structure, as can be numerically set and checked during the construction and after the completion.
      
The paper gives an overview of materials and procedures necessary to achieve durable concrete in the Gulf Area.
      
Fundamental study of early age concrete behaviour as a basis for durable concrete structures
      
Applications such as soil, rock and oil-well grouting all require enormous amounts of cement and are good examples of areas where a high volume of fly ash could partially replace cement to produce low-cost, environmentally safe and durable concrete.
      
更多          
  durability concrete
The resultant scaling and cracking is a symptom of low durability concrete.
      


The characteristic and requirement of the current concrete is analyzed in this paper. The author be-lieves it is necessary to develop high strength and durable concrete. The way of developing high strengthand durable concrete is also analyzed. It is pointed out in this paper that the high strength anddurable concrete should be studied according to the way of Rhedogy. The cohesion adhesion modelis also given in this paper.

本文通过对近代混凝土的特点和要求的分析认为,发展既高强又耐久混凝土是必要的,还分析了发展高强、耐久混凝土的流行途径,提出应从流变学角度研究高强、耐久混凝土,并给出了内聚力-粘附力模型。

More and more attention was paid to the resistance of concrete structure all over the world. This paper put forward the process of concrete structure design: to assort working environment;to make certain expectant life- span of use; to validate limit of resistance.

对混凝土结构进行耐久性设计,提高结构的安全性和耐久性已成为全世界关注的重大课题.笔者提出在进行混凝土结构耐久性设计之前,首先要进行结构的工作环境分类,然后确定结构的设计使用寿命,最后利用极限状态对耐久性极限状态进行验算,科学地设计出既安全又适用,又耐久的混凝土结构,从而延长使用寿命,提高经济效益.

To counter the main problems that chloride induced reinforcement corrosion substantially decreases the lifetime of conventional concrete structures of engineering in hostile marine and deicing salt environment, the methods for corrosion prevention, definition of lifetime, technical requirements for high durable concrete and concrete specifications for 4 marine bridges, completed in last 5 years, with design lifetime of 100~120 years have been reviewed.

针对处于海洋与化冰盐环境中的工程因氯盐引起钢筋锈蚀大幅度降低普通钢筋混凝土结构使用寿命的主要问题 ,综述了有关防锈技术措施、结构寿命与高耐久混凝土技术要求 ,并介绍了近 5年内建成的 4座设计使用寿命为 10 0~ 12 0年海洋桥梁的混凝土技术标准

 
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