The influence of inorganic salt early strength agent on the compatibility between superplasticizer and cement;
无机盐早强剂对高效减水剂与水泥相容性的影响
According to the characteristics of micro-fine cement, a compound early strength agent and light weight cement with 1.
根据微细水泥的特点,开发出了适合微细水泥-漂珠低密度水泥体系的复合早强剂和密度1。
Based on powdery anti-freeze,we choose the formula pattern of early strength agent+water reducing agent+air entraining agent,and investigate new anti-rust concrete liquid antifreeze of no-sodium,low pollution.
以粉剂防冻剂为基础,选择早强剂+减水剂+引气剂的配方模式,研发了一种无钠、低掺量和环保的新型阻锈型混凝土液体防冻剂,并在工程中验证了这种防冻剂的应用效果良好。
A New Type of Concrete Accelerator with Low Contents of Chloride and Alkali;
低氯低碱新型混凝土早强剂的研究
The effect of grinding aid gypsum and accelerator TEA(triethanolamine) on the specific surface area,particle-size distribution,index of activity and particle morphology of ground blast furnace slag were studied through trialgrinding tests.
通过试验小磨研究了助磨剂石膏、早强剂三乙醇胺对矿渣粉比表面积、粒度分布、活性指数、颗粒形貌等性能的影响。
We introduce a new kind of cement compounded accelerator-NSC, list variousproperties' experimental data for NSC cement slurry and describe the experimental con-ditions and data analysis using both NSC and CaCl_2 filter liquor of cement slurry for arti-ficial rock core.
介绍一种新的油井水泥复合早强剂—NSC,列举了NSC水泥浆各种性能的实验数据,描述了分别用NSC和CaCl_2水泥浆滤液浸泡人造岩芯的实验情况及数据分析,它的早强效果优于CaCl_2,特别是用NSC和CaCl_2处理的水泥浆滤液浸泡人造岩芯做渗透率测试的结果表明,NSC对储层损害小于CaCl_2 还对NSC的促凝早强机理及水泥浆滤液对地层的损害机理作了初步探讨。
Through a series of tests,the early strength of lime-fly ash stabilized sands with early strength accelerators,NaOH and Na2CO3,are evaluated.
通过一系列试验,对石灰粉煤灰稳定沙漠沙掺加早强剂 Na2CO3和 NaOH 后的早期强度作出了评价,分析了其早强机理,同时对其后期力学性能和温缩性能进行了试验。
The experimental study on the enhancing compression strength of cellular concrete was carried out,it obtained that the compression strength of cellular concrete can be enhanced obviously with early strength accelerator or double fast concrete as binding material.
对泡沫混凝土进行了介绍,提出了泡沫混凝土制备的工艺流程,进行了提高泡沫混凝土抗压强度的试验研究,得出了采用添加早强剂或使用双快水泥作为泡沫混凝土胶凝材料可以较明显地提高泡沫混凝土的抗压强度的结论。
This paper introduces the application situation and application results of MNC-A3 high-performance early strengthening agent in concrete casting works of a certain housing estate.
介绍了MNC-A3高效早强剂在某小区混凝土浇筑工程中的应用状况及应用效果。
A new kind of highly efficient early strengthening agent DY is developed,and this production is efficient for early strength of fly ash in the low temperature environment.
针对粉煤灰低密度混合材水泥的早强问题展开研究,用实验方法分析探讨了粉煤灰低密度混合材水泥在水化反应过程中的作用机理,开发出了一种高效的能够适用于低温低密度体系的早强剂DY,使得粉煤灰低密度水泥早期强度得到显著的提高。
The application technology of hardening accelerating admixture compiled in "Technical Guidelines for Applications of Chemical and Mineral Admixtures on Cement Concrete in Highway Engineering" issued by the Ministry of Communications in 2006 is introduced in this paper.
介绍了交通部2006年新颁布的《公路工程水泥混凝土外加剂与掺合料应用技术指南》(简称指南)中编写的早强剂在公路水泥混凝土工程中的应用技术,特别介绍了早强剂在快通水泥混凝土路面和桥梁的快速施工及修复中的应用,以加强业内人士广泛应用早强剂的自觉性,不仅要确保公路水泥混凝土工程的质量和使用耐久性,而且要提高公路工程中水泥混凝土结构施工和修复的速度,减少交通堵塞,实现更大的经济效益和社会效益。
The category,using range and performance of some ordinary admixtures,such as water reducing admixture,air entraining admixture,set retarder and hardening accelerating admixture are introduced.
主要介绍了《公路工程混凝土外加剂》(JT/T 523-2004)和2006年交通部新颁布的《公路工程水泥混凝土外加剂与掺合料应用技术指南》中减水剂、引气剂、缓凝剂、早强剂的品种、适用范围、性能要求等,及其在公路水泥混凝土路面工程中的应用技术。
The Principle of Development and the Property of the Early Strength Agent of Concrete
混凝土复合早强剂的研制原理及性能
Analysis of hardening mechanism of ZQ Na~+ & K~+-free concrete hardening accelerator
新型无钾钠复合早强剂作用机理分析
Experimental Research on the Complex Cement Admixtures of the Rapid-Setting Additions and Accelerators;
水泥复合速凝早强剂的试验研究与应用
Compatibility Test Study of Pavement Early Strength Admixtures and Diwei Cement
路面早强剂与地维水泥的适应性试验研究
Research on Confection and the Mechanism of Alkali-Free Concrete Hardening Accelerator
无碱混凝土早强剂的配制与作用机理研究
The Study on Chloride-Ion-Diffusion-Coefficient of Concrete Mixed Admixture,Early Strength Agent After Freeze-Thaw Cycling
掺合料、早强剂对冻融混凝土Cl~-扩散系数的影响
Experimental analysis for influence of early-strength agent and retarder on silicon flour cement
早强剂与缓凝剂对硅粉水泥性能影响的试验分析
STUDY ON EFFECT OF EARLY STRENGTH AGENTS ON STRENGTH AND STRUCTURE OF CEMENT MORTAR MIXED WITH SILICA FUME
早强剂对掺硅灰的水泥砂浆强度与结构影响的研究
Experiment and application of early strength water-reducing admixture for cement mortar of high pressure filling pile in cold region
寒冷地区高压注浆桩水泥浆掺减水早强剂的试验与应用
Influences of Polycarboxylate Superplasticizer Typed Ultra-high Strength on the Development of Concrete Strength
超早强型聚羧酸盐超塑化剂对混凝土早期强度发展的影响
Research on the Synergestic Effect of Polycarboxylate Superplasticizer and Hardening Accelerants;
聚羧酸系减水剂与早强组分的复合性能研究
Study on the Approach to Admixture Increasing Eraly Strength of Lime and Fly-Ash Stabilized Aggregate;
外掺剂对提高二灰稳定粒料早期强度的研究
Fast solidification and early strength type of polycarboxylate superplasticizer
早强快凝型聚羧酸减水剂的合成和应用
Application of human milk fortifier in breast-fed preterm infants
母乳强化剂在母乳喂养早产儿中的应用
To retain the early strength and avoid carbonization,1.0%-1.5% of alkaline agent can be added.
④可添加1.0%-1.5%碱性激发剂元明粉以提高其早期强度和抗碳化性能;
The Early High-dose of Methylprednisolone Pulse Therapy on the Impact of Severe Acute Pancreatitis in Rats
早期大剂量甲基强地松龙治疗大鼠重症胰腺炎的实验研究
Study on Dosage of Conventional and Intensity Modulated Radiotherapy for Early Stage Nasopharyngeal Carcinoma
早期鼻咽癌常规放疗和调强适形放疗计划的剂量学研究
Early Quality Improvement and Drying Shrinkage Reduction of the Concrete by Using CSA Type Admixture
CSA外加剂对复合矿物掺料混凝土早期强度及干缩的改善效果