几项研究已经完成对极限的设计和钢筋混凝土塑性铰转动能力的原则。
Several studies had been performed on the principles of limit design and the rotation capacity of reinforced concrete plastic hinges.
由于这种裂缝是由于混凝土塑性收缩引起,所以称之为塑性收缩裂缝。
The capillary pressure which is the effect of the water loss from the concrete surface, is the origin of the plastic shrinkage in concrete cracking.
因此,对特细砂混凝土塑性收缩防裂措施进行研究,具有重要的现实意义。
Thus, research on measures for superfine sand concrete to get rid of plastic shrinkage cracks is of important practical significance.
开裂应力测定装置测试了水泥砂浆、混凝土塑性抗拉强度和塑性收缩开裂应力。
The paper states that the plastic cracks after shaped the pumping concreting divides into plastic settlement crack and plastic shrinkage crack.
通过试验研究了混凝土用水量、水灰比等混凝土配合比参数对混凝土塑性收缩的影响。
The experimental results show that plastic Shrinkage relate to water to cement ratio and there is critical water to cement ratio.
本文以钢筋混凝土塑性理论为基础,用上限方法确定了钢筋混凝土深梁剪切破坏时的极限荷载的计算方法。
A new method to determine the limit load of reinforced concrete deep beam when sheared was presented by upper-bound method based on reinforced concrete plasticity theory.
坝内埋管的内水压力大部分由外围混凝土承担,考虑混凝土塑性后,其承载能力可提高1.7~2.5倍。
Water pressure in buried pipe is mainly suppuorted by concrete surrounding on pipe, as plastic of concrete considered, it's bearing capacity can raise to 1.7-2.5 time…
本文介绍了泵送混凝土塑性裂缝产生的原因及预防和处理方法,对提高泵送混凝土施工水平具有重要的指导意义。
In this paper, the causes of the concrete plastic cracking are introduced, and the methods of its precautions and curing are provided.
以粉煤灰的火山灰效应、微集料效应分析为基础,分析研究了粉煤灰对混凝土塑性收缩、干缩、自缩和温度收缩裂缝的影响。
Based on analyzing the eruption and tiny aggregate effect of fly ash, the influence of fly ash on the shrinkage fissure of concrete is studied, caused by the plastic deformation, dry or temperature.
目前关于塑性收缩裂缝的研究几乎都集中在中粗砂混凝土,对于特细砂混凝土塑性收缩裂缝及其相关问题的研究几乎没有。
But almost all the attention of the plastic shrinkage crack are focus on the medium and coarse sand concrete and the study of super fine one not found.
本文主要就环境因素变化对高强混凝土塑性收缩开裂的影响趋势进行专门试验研究,并就其影响机理及相关的问题进行了分析和阐述。
The experimental results show that with the increase of content and fineness of fly ash used in high strength concrete, the total areas of plastic cracking decrease.
介绍了聚丙烯纤维对混凝土塑性收缩及抗渗性能的影响,并进行机理分析,最后展望了聚丙烯纤维混凝土在渠道防渗工程中的应用前景。
This paper introduces the influence of the polyropylene fiber on plastic shrinkage and anti-permeability of concrete, and the analysis of anti-cracking and impermeability mechanism.
本文以拉压应力损伤因子为内变量,采用混凝土塑性损伤模型,分析了坝体在地震荷载作用下的刚度退化以及在多维应力状态下拉应力引起的损伤破坏。
In this paper, the stiffness degradation and damage failure in concrete dams subjected to strong ground motion are simulated by plastic-damage model based on damage index variable.
预应力混凝土结构塑性计算理论与设计方法是理论界和工程界十分关注且较为棘手的问题之一。
The calculating theory and designing method of pre-stress reinforcement concrete structure plasticity is one of thorny problem that the theory circle and project circle pays close attention to.
掺入粉煤灰将增大混凝土的粘聚性和可塑性,改善混凝土的和易性,减小混凝土的膨胀性。
Chesion and plasticity of steel slag concrete is increased, its fluidity is improved and expansibility is decreased owing to addition of fly ash.
中国文化的情感与地方特色的美学与混凝土的可塑性联系在一起,赋予看似冰冷的混凝土构筑以内在的精神。
That the emotion of Chinese culture and local esthetics is linked tightly with plasticity of concrete endows concrete buildings and constructions which seem ice-cold with inherent spirits.
弹性模量是塑性混凝土的一项重要力学性能指标。
The elastic modulus is one important mechanical performance index of plastic concrete.
它们的成因和防范措施以及对已硬化塑性混凝土裂缝的处理。
It also states their cause and prevention measures as well as the treatment of hardened plastic concrete cracks.
因此,采用膨胀剂与钢纤维的复合技术是防止混凝土发生塑性收缩开裂的比较理想的技术措施。
Therefore, the technology combining steel fiber with expensive agent is appropriate to the plastic shrinkage and cracking of concretes.
钢筋混凝土抗震框架梁的端部是保证结构抗震延性和塑性耗能能力的关键部位。
The ends of reinforced concrete beam in seismic frame are critical positions that ensure ductility and plastic energy dissipation capability of the structure.
介绍了其设计、施工、质量检测要求和控制管理,为搞好矿山环境保护和制定塑性混凝土施工技术规范提供了经验。
It is also an important experience for environmental protection and institution of plastic concrete construction regulations in design, construction, inspection, quality control and management.
在此次堤坝加固工程中,采用塑性混凝土防渗墙截渗方案。
To reinforce the dam, the plastic concrete cut-off walls are used to prevent the seepage.
本文主要研究了HRB400级钢筋混凝土构件的受弯、受剪及连续梁塑性内力重分布性能。
In this article, the mechanical of the HRB400 Reinforced Concrete Members under flexure, shear and plastic internal force redistribution is studied.
薄型抓斗塑性混凝土防渗墙技术是为适应长江堤防治理而开发的防渗新技术。
Grabbed thin plastic concrete diaphragm wall (abbreviated as GTDW hereinafter) is a new technology of vertical anti-seepage developed for levee strengthening of the Changjiang river.
采用该分析模型,分析了桩身几何参数、桩顶荷载水平、混凝土弹塑性和桩侧阻软化效应对大直径超长单桩承载变形性状的影响。
The effects of shaft geometry, load level, concrete elastoplasticity and shaft resistance softening on bearing and deformation characteristic of LDSLP were studied by using this model.
塑性开裂、温度开裂以及收缩开裂是混凝土施工应用中经常出现的质量通病。
Plastic cracking, temperature cracking and dry shrinkage cracking are always occurred during construction and application of the ready mix concrete.
为了控制基础渗流和出逸坡降,设计采用了塑性混凝土防渗墙、帷幕灌浆以及在下游增设一套减压井相结合的方案。
To control foundation seepage and exit gradient, a plastic concrete cut-off wall, a grout curtain, and a set of downstream pressure relief Wells are incorporated in the design.
在水库除险加固工程设计中,首次采用了塑性混凝土防渗墙技术。
The technique of seepage control wall of plastic concrete is used for the first time in the design of stabilization for dangerous release of the reservoir.
原则将混凝土装入模具中,并用夯实机夯实。固结量即称为“压塑性指数”。
PRINCIPLE Concrete is placed into a mould and compacted by a rammer. The amount of consolidation is expressed as a compactibility index.
原则将混凝土装入模具中,并用夯实机夯实。固结量即称为“压塑性指数”。
PRINCIPLE Concrete is placed into a mould and compacted by a rammer. The amount of consolidation is expressed as a compactibility index.
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