The strength for hardening calcined kaolinite-Portlandite-gypsum system is derived from the quantity of forming ettringite.
煅烧高岭石-石灰-石膏硬化体的强度与钙矾石生成量的多少相关。
In the conservation process, the control should be in favor of hardening concrete strength and growth temperature environments.
在养护过程中,应控制混凝土在有利于硬化及强度增长的温度环境中。
The method may be applied to structures composed of strength hardening and strength softening with the ideal elastoplastic state as their special case.
结构的本构关系可以考虑强度的强化作用和变形超过极限状态后的强度下降,而把理想弹塑性假定做为一种特殊情况来处理。
The results show that with the increase of fly ash proportion the concretion strength and serum fluidity decrease, while setting time, hardening rate and viscidity increase.
试验表明,随粉煤灰掺量的增加,硬化体抗压强度、浆体流动度降低,而凝结时间延长,结石率和粘度增大;
Based on all the above, the effective measures increasing strength of loess cement are presented, a model of hardening reaction and how the additives affect in loess cement are studied, too.
在分析资料和室内试验的基础上,概括了提高水泥黄土强度的有效措施,就水泥黄土硬化和外加剂对水泥黄土的作用机理进行了初步探讨。
This paper studied the setting and hardening property and strength property of concrete prepared by fast setting and hardening cement and retarding admixture.
研究了使用双快水泥和缓凝剂配制混凝土的凝结硬化性能和强度性能。
The higher initial strain hardening rate and higher strength of dual phase are attributed to rapid strain hardening in ferrite and the load transfer from the ferrite to martensite.
铁素体迅速应变硬化和铁素体到马氏体的载荷传递使双相钢具有较高的初始应变硬化速率和较高的强度。
The results showed that as the content of Ti increasing , fine precipitates distribute dipersely, grain fine and age - hardening enhanced in the steel, so tensile strength in this steel is improved.
研究发现,钛含量增加,使钢中获得细小沉淀物的弥散分布,细化晶粒,增强时效硬化,从而提高该钢的抗拉强度。
Hardening and the strength of ferrite phase pastes doped with small amount of foreign constituents and the change of paste structure and properties in the presence of ch have been studied.
研究了掺有少量异组份的铁相浆体的硬化、强度及掺加ch后浆体结构和性能的变化。
The reason for low strength and hardening slowing of quick lime-coal ash extruding piles are analysed theoretically.
本文从理论上分析了生石灰—粉煤灰挤密桩硬化缓慢和强度低的原因。
With the strain aging temperature increasing, strength and hardness increases, plasticity and toughness decreases, yield ratio has the ascending trend, hardening index decreases.
随着应变时效温度升高,强度和硬度增加,塑性和韧性下降,屈强比呈升高的趋势,形变强化指数降低。
Therefore, stopping the hardening process of particles from growing is the key of increasing CO2 sodium silicate sand bond strength.
所以,提高CO2水玻璃砂粘结强度的关键在于抑制硬化过程中胶粒的过于长大。
Then hardness of coatings and substrate was measured. By means of bend-rotation fatigue tests, fatigue strength of coating and uncoating specimens was compared after hardening and tempering.
然后测量涂层和基体的硬度,并通过采用旋转弯曲疲劳试验比较涂层试样与未涂层试样的疲劳强度。
By analyzing the damage and hardening mechanism caused by particle breakage, a formula for evaluating the strength reflecting the breakage mechanism was developed.
分析了颗粒破碎对堆石料损伤和压密硬化的双重作用机理,建立了可反映颗粒破碎作用机理的强度计算公式。
The properties of the amalgams of spherical powders, such as dimension change during hardening, compressive strength, flow and creep meet the specification No.
球粉汞齐的性能,诸如固化过程中的尺寸变化,压缩强度,流变及蠕变等均达到美国牙医协会技术指标。
HPMC water retention of the smear after the slurry will not dry too fast and cracked, enhanced strength after hardening.
HPMC的保水性能使浆料在涂抹后不会因干得太快而龟裂,增强硬化后强度。
After the completion of the engineering project, the hope cement hardening, as soon as possible to produce strength, so the final setting time shoulds not be too long.
施工完毕后,希望水泥能尽快硬化,产生强度,所以终凝时间不宜太长。
Considering the linear strain-hardening effect of materials, this paper proposes a computation method for the stresses and strength of autofrettaged cylinders.
本文主要讨论了在材料线性应变硬化效应的情况下,自紧管应力与强度的计算公式的推导。
Due to the effect of strain hardening, higher amount of cold deformation resulted in superior room temperature strength and inferior torsion ductility.
由于加工硬化效应的影响,随着冷拔变形量的增加,合金丝材的室温强度增加,扭转塑性下降。
The backwashof low frequency, high compressive strength, no powder, no hardening, high activity and large specific surface area, good regeneration effect.
反洗频率低,抗压强度高,不粉化、不板结,比表面积大,活性高,再生效果好。
The yield strength of JCOE welded pipe was different from the mother steel plate because of the influence of Bauschinger effect and work hardening.
由于包辛格效应和加工硬化的影响,JCOE制管后相对所采用钢板管体屈服强度会发生变化。
Can be controlled by temperature and inorganic non-metallic high-temperature activator hydration activity of plugging the excitation and the thickening and hardening speed and strength after curing.
可以通过温度和活化剂控制无机非金属高温调堵材料水化活性的激发及稠化、硬化速度以及硬化后的强度。
Use hardening accelerator can improve the GRC's early strength prominently.
采用早强剂可显著提高GRC的早期强度。
Raising the testing strain rate, the strength and yield ratio increased the plasticity slightly decreased, but the strain rate hardening index kept constant.
应变率增加,材料强度提高,屈强比增大,塑性略有降低,但流变阶段应变率强化系数基本不变。
Compared with the strip produced by conventional austenite rolling, the yield strength of the ferrite rolled strip was lower by about 20%, with same elongation and strain hardening exponent.
相对于常规奥氏体轧制,铁素体轧制薄板的屈服强度下降了20%左右,伸长率及应变硬化指数与之相当。
Aging treatment is performed for microalloyed steel for cold hardening bolt, which can stabilize its microstructure, enhance its strength and reduce its residual stress.
冷作强化非调质钢螺栓经时效处理可以稳定组织、提高强度、降低残余应力。
The PP with high grafting rate can improve the melt strength and the extensional viscosity of a PP system and the strain hardening.
接枝率高的PP,可提高PP体系的熔体强度和拉伸黏度及其应变硬化。
The stiffness and strength of sandstone increase with increasing of its confining pressures presenting obvious compressive hardening.
砂岩的刚度和强度均随侧压的增大而增大 ,具有明显的压硬性。
In the paper, strength properties, hydration and hardening process of high-temperature geothermal well cement are studied under different hydrothermal conditions.
研究了由不同配比的高抗硫g级水泥与石英砂粉组成的高温地热井水泥在不同水热条件下的强度性能及其水化硬化过程。
In the paper, strength properties, hydration and hardening process of high-temperature geothermal well cement are studied under different hydrothermal conditions.
研究了由不同配比的高抗硫g级水泥与石英砂粉组成的高温地热井水泥在不同水热条件下的强度性能及其水化硬化过程。
应用推荐