查询词典 concrete

Concrete antifreezing admixture Criterion Concrete target in minus - temperature Development of strength.

混凝土防冻剂；标准；负温指标；强度增长

Related problems about structural fire resistance are presented including fire resistance of reinforced concrete structure,hypo-stress initiated by fire,catenary action of beams,fire resistance design method of frame structure,crack mechanism of concrete and explosinon-proof measures,and this accelerates the development of architectural apyrous design.

提出了结构抗火相关问题的思考，包括加固混凝土结构抗火性能、火灾引起的次应力、梁的悬链线效应、框架房屋抗火设计方法、混凝土爆裂机理及防爆措施等，从而促进建筑抗火设计的发展。

The main contents of this thesis are the aseismatic performance and design theory of steel reinforced concrete structures and unbonded prestressed concrete structures.

本文的主要研究内容是型钢混凝土结构和无粘结预应力混凝土结构的抗震性能和设计理论。

Thermal respone of building surfaces, grass land, asphaltic pavement and cement concrete pavement by solar radiation was measured using infrared camera. The results showed that the temperature of asphaltic pavement, cement concrete pavement and the building surfaces are high, middle and low, respectively at the same day.

该文利用红外热像仪等设备研究了建筑物表面、绿地、柏油路面、水泥砖地面等城市地表覆盖物对太阳辐射的热反应，指出在同一天中，柏油路面温度最高，水泥砖和建筑物表面次之，绿地温度最低。

The concrete comprises rough aggregates, fine aggregates, powdered ore filler, asphalt and multicomponent fiber material, the blending amount of the multicomponent fiber material is 0.2-0.4% wt of the mass of the multicomponent fiber composite asphaltic concrete.

本发明涉及一种多组分纤维复合沥青混凝土及其制备方法，该混凝土包含粗集料、细集料和矿粉填料及沥青，还包含多组分纤维材料，其掺入量为所述多组分纤维复合沥青混凝土质量的0.2～0.4％wt。

Analyze the synergetic damage of concrete by the mechod of thermodynamics and synergetics based on the characteristics of original damage consist in such brittle materials. Structural defects in rock and concrete and its influence on material damage under loads is summarized and auctorial opinions are put forward about these questions.

针对混凝土的力学性能在很大程度上取决于初始损伤的问题，而现有的损伤力学研究观点和理论都是基于某种假定对混凝土损伤演化进行研究，很难从本质上对混凝土损伤演化过程进行描述。

Compared with the high performance dam concrete for the Three Gorges Project, the low-heat and high performance dam concrete with High Belite Cement has excellent properties as follows

高贝利特水泥的研究，是中国建材院负责的国家&九五&重点科技攻关成果，顺应了水泥胶结材的发展方向。

Under the normal test conditions, the initial slump of High Belite Cement Concrete or VC value is similar to that of medium-heat cement concrete as well as the slump loss with time.

该水泥能耗低、环境污染少，同时又具有水化热低、后期强度高、耐久性好等优点，为配制新型的低热高性能大坝混凝土提供了可能。

Through researching and analyzing , it is found that Fibrous brucite are steady basically in the concrete, and the effective method to improve the interface combination of Fibrous bracite and concrete is summarized.

通过研究分析，发现水镁石纤维在混凝土中基本上是稳定的，并总结了提高界面粘结性的有效方法。

When it is used in the concrete reinforcement, the dispersed brucite fibers can play a better role in improving the concrete flexural strengths.

将水镁石纤维应用于混凝土，抗折强度随纤维叩解度的增加而提高，说明纤维的化学分散有利于纤维对混凝土增强作用的发挥。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。