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low hydration heat
相关语句
  低水化热
     The results indicated: the high active mineral admixture slurry solid content could substitute 10%~30% cement to product the high performance concrete of C30~C50,its workability and the later performance had achieved the national standards,and has realized the low hydration heat,the low chemical shrinkage and the low cost application effect.
     结果表明:高活性矿物掺合料浆按固含量替代10%~30%的水泥可配制出C30~C50的高性能混凝土,其工作性及后期性能均达到了国家标准,实现了低水化热、低收缩、低成本的应用效果。
短句来源
     The third generation of polycarboxylate high performance water reducing agent,CS-SP1,features with high water reducing rate,low hydration heat and low shrinkage,low chloride ion and alkali content can also be applied in Caohe reach of Baoding in project to divert water from the Yangtze River to north China.
     CS-SP1型第三代聚羧酸高效减水剂由于其具有高减水率、低水化热、低收缩且自身氯离子含量和碱含量低等优异性能被应用于南水北调保定漕河段工程中。
短句来源
     It can be minimized or prevented by using low-alkali low-C3A and low hydration heat cement or adding mineral additive finer than the cement and curing at moisture-retention and heat-insulation.
     采用低碱低C3A低水化热的水泥、在混凝土生产中掺入比水泥细的矿物掺合料、在混凝土浇注后采取保湿保温养护等措施可减少或避免混凝土的早期开裂。
短句来源
     Aiming at a lock base slab concrete using low hydration heat compound silicate cement,it applyzes ANSYS for simulating its temperature field and thermal stress,and comparing with medium hydration heat common silicate cement,offering basis for measures about temperature control and crack prevention of massive concrete which don't appear harmful temperature crack.
     针对使用低水化热复合硅酸盐水泥的某船闸底板混凝土,利用ANSYS程序对其温度场及温度应力进行了有限元数值模拟分析,并与中水化热普通硅酸盐水泥进行了比较,为大体积混凝土不出现有害温度裂缝的温控防裂措施提供了依据。
短句来源
     In recent years, the vertical shaft sinking by freezing method of He'nan collieries developed rapidly and obtained great achievements. By optimizing the shaft lining structure and the freezing scheme, and adopting the high-performance concrete with high strength and low hydration heat in shaft lining, the shaft lining thickness and freezing wall strength were effectively controlled.
     河南煤矿立井冻结法凿井,近年来发展较快,成效显著,主要从优化井壁结构及冻结方案入手,并采用低水化热高强高性能混凝土筑壁,有效控制井壁厚度和冻结壁强度。
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  水化热低
     It not only has the same physical and mechanic performances as the blastfurnish slag cement, but also features with high final strength, low hydration heat, wear resistence, micro-expansion, anti-osmosis, corrosion resistence etc.
     其物理力学性能不但与矿渣水泥相同,还具有后期强度高、水化热低、耐磨、微膨胀、抗渗透和耐腐蚀等特性。
短句来源
     Having the properties of low hydration heat, autogenous dulking and high strength at its early stage, this cement is applicable to the concrete construction of channel backfilling, dam diversion notch blocking, etc in hydropower projects.
     由于这种水泥具有水化热低、自生体积膨胀和早期强度高的特点,适用于水电工程中的槽塘回填、封堵坝体导流缺口等部位混凝土施工。
短句来源
     This study show that this new type cementing material is characterized hy small porosity and low hydration heat and can be used in mass concrete works to replace PortIand cement for dams.
     研究表明,这种新型胶凝材料具有孔隙率小、水化热低的特点,能够取代大坝水泥应用于大体积混凝土工程。
短句来源
     Compared with HBC(High-belite Cement), PC(Portland Cement) and MHC(Moderate Heat Cement), it is affirmed that there are lots of advantages for HBC, such as energe-saving, enviromental protection, high flowability of concrete mix, high strength in late age and low hydration heat, and all of this show that it is suited for development and application of low heat high performance dam concrete.
     通过对高贝利特水泥(HBC)、硅酸盐水泥(PC)、中热水泥(MHC)的性能对比试验 ,结合机理探讨 ,确认了HBC水泥具有节能 ,环保 ,混凝土流动性好 ,水化热低 ,后期强度高等许多优越性 ,适于在低热高性能大坝混凝土中开发应用。
短句来源
     High early and late strength, small deviation, low hydration heat, low dry shrinkage, low impurities and harmful contents are the main required specifications of cement used for nuclear island and normal island concrete engineering in nuclear power station.
     核电站核岛和常规岛混凝土工程用水泥的特点是:要求早、后期强度高,标准偏差小,水化热低,干缩率低,杂质含量和有害成分含量少。
短句来源
  “low hydration heat”译为未确定词的双语例句
     The results show that AS cement possesses high early strength, low hydration heat and durability, but its shrinkage rate is higher than that of portland cement.
     结果表明,碱-矿渣水泥具有早强、高強、低水化热和高耐久性等优良性能,但是干缩较大;
短句来源
     High Performance cementitious material is specially used for high Performance concrete. Propetties of that are high strength, low water demand, low hydration heat and low shrinkage.
     高性能胶凝材料主要用于高性能混凝土,具有强度高、需水量小、水化垫低和收缩小等特点。
短句来源
     On the other hand, using cement of low hydration heat or decreasing the amount of cement is important.
     采用低热水泥或降低水泥用量是减少水化热的关键。
短句来源
     The experiment shows that the measures of adding glass fiber to the system or adding concrete with rather low hydration heat and expansive property may improve the splitting phenomenon of the fire coating. The adding of these has no obvious effect on the fire performance of the fire coating layer.
     试验证明,在体系中加入增强玻璃纤维或水化热较低及有一定膨胀作用的水泥等措施,可改善涂层开裂的现象,对涂层的耐火性能无明显影响。
短句来源
     For massive concrete construction, the low hydration heat cement like the slag Portland cement is often used to facilitate temperature rise control in the concrete.
     大体积混凝土施工时常选用水泥水化热较低的矿渣硅酸盐水泥等以利于混凝土温升控制。
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The concrete face rockfill dam has been designed by the design institute at left abutment of Tongjiezi project to suit the unfavorable geologic conditions. The material of transition zone was mixed in batching plant,lift thickness and compaction passes were strictly limited to provide a proper compaction degree and planeness. In the concrete mix design of face slab,dam cement 525 with low hydration heat and little constraction was used to improve the concrete placeability and cracking resistance. The flyash...

The concrete face rockfill dam has been designed by the design institute at left abutment of Tongjiezi project to suit the unfavorable geologic conditions. The material of transition zone was mixed in batching plant,lift thickness and compaction passes were strictly limited to provide a proper compaction degree and planeness. In the concrete mix design of face slab,dam cement 525 with low hydration heat and little constraction was used to improve the concrete placeability and cracking resistance. The flyash content is 15%.The concrete depression was strictly limited when the face slab concrete was placed. The high temperature and severe cold weather were avoided,the slipform without :ail was adopted. The new experinces were gained.

为适应铜街子工程左岸的不利地质条件,设计单位在左岸设计了砼面板堆石坝.对过渡垫层料采用拌和楼配料拌和,严格控制铺料厚度和碾压遍数以保证垫层的密实性和平整度,在面板砼配合比设计中,选用水化热较低,收缩性较小的大坝525水泥,并掺15%的粉煤灰改造了砼的和易性,提高了抗裂性.在面板砼浇筑中严格控制砼陷度,避开高温和严寒季节,采用了无轨滑模新工艺等,积累了经验并有所创新.

Grade 425 Steel Slag Cement is made by grinding the mixture with more than 60% steel slag, a small quantity of clinker and proper amount of gypsum. Compared with ordinary cement, it consumes only 30% of the limestone and coal with reductions of 30% on cost and 50% on investment and reuses of waste material of 40%.It not only has the same physical and mechanic performances as the blastfurnish slag cement, but also features with high final strength, low hydration heat, wear resistence, micro-expansion, anti-osmosis,...

Grade 425 Steel Slag Cement is made by grinding the mixture with more than 60% steel slag, a small quantity of clinker and proper amount of gypsum. Compared with ordinary cement, it consumes only 30% of the limestone and coal with reductions of 30% on cost and 50% on investment and reuses of waste material of 40%.It not only has the same physical and mechanic performances as the blastfurnish slag cement, but also features with high final strength, low hydration heat, wear resistence, micro-expansion, anti-osmosis, corrosion resistence etc.It can not only be used for general purposes, but also in special projects such as great masses,high- ways, harbours and so on.

425号钢渣水泥是利用60%以上钢铁渣、少量熟料和适量石膏磨细制成的。与普通水泥相比,石灰石和煤的消耗仅为30%,成本低30%,投资减半,利废40%。其物理力学性能不但与矿渣水泥相同,还具有后期强度高、水化热低、耐磨、微膨胀、抗渗透和耐腐蚀等特性。它不仅可以作为通用水泥使用,更适用于大体积、道路和海港等特种工程。

Alkali-slag cement (AS cement) is main made up of alkali and granulated slag. Hydrates, pore structure and porosity of its hardened paste, constitution of pore liquid, mechanical and thermal properties of AS cement were investigated. The strength, corrosion resistance mechanical properties, durability, shrinkage and the adaptibility to chemical admixtures of AS cement concrete were studied. The results show that AS cement possesses high early strength, low hydration heat and durability, but its shrinkage...

Alkali-slag cement (AS cement) is main made up of alkali and granulated slag. Hydrates, pore structure and porosity of its hardened paste, constitution of pore liquid, mechanical and thermal properties of AS cement were investigated. The strength, corrosion resistance mechanical properties, durability, shrinkage and the adaptibility to chemical admixtures of AS cement concrete were studied. The results show that AS cement possesses high early strength, low hydration heat and durability, but its shrinkage rate is higher than that of portland cement. The properties of AS cement can be improved by addition of some admixtures. Application of AS cement to various projects are introduced.

研究了碱-矿渣水泥水化产物组成、水泥石孔结构和孔液成分、力学性能、水化热、抗化学腐蚀性能和对钢筋的钝化作用等;并对混凝土的力学性能、干缩变形、耐久性和对外加剂的适应性等进行了研究。结果表明,碱-矿渣水泥具有早强、高強、低水化热和高耐久性等优良性能,但是干缩较大;选择适当的外加剂可以改善部分性能。介绍了利用该水泥的特性在多种工程中的应用情况。

 
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