shrinkage temperature

A series of trials on cement-stabilized base course mateials, such as unconfined compressive strength, dry shrinkage and temperature shrinkage, were done under the condition of curing temperature 25 ° C and 10 ° C.

在养生温度为25°C和10°C的情况下，分别对水泥稳定碎石基层材料进行无侧限抗压强度试验、干缩试验以及温缩试验。

The changing features of shrinkage stress for Sugi ( Cryptomeria japonica D. Don) wood specimens were studied when dried with radial restraint using superheated steam at 120~ 180 ℃, and the effects of temperature and relative humidity on radial shrinkage stress were analyzed.

试验研究了日本柳杉在120～180℃高温高压过热蒸汽条件下，干燥过程中所伴随的收缩应力的发生发展特征，以及温度和相对湿度对径向收缩应力的影响。

Calculation of Shrinkage Compensation Concrete Wall Stress Considering Temperature History Effect

考虑温度历程的补偿收缩混凝土墙应力计算

In this paper, the effect of earth temperature gradient on moisture movement in expansive soil and the relationship between the magnitude of expansion and shrinkage deformations and the variation of water content in the soil are investigated for some areas with the expansive soil in China.

本文研究了我国一部分膨胀土地区地温梯度对膨胀土水分迁移的影响和土的胀缩变形幅度与水分交化间的关系。

To solve this problem, this article analyzed the through cracks most among all kinds of roof cracks in early-age construction, and pointed out the temperature shrinkage stress caused by concrete shrinkage and temperature's changes is the main cause for cracking.

针对这一现象，分析了早期贯穿裂缝的原因，指出混凝土的收缩和使用环境温度的变化在屋面板中所引起的温度收缩应力是开裂的主要因素。

Then, a Box-Behnken design by using Design-expert software was conducted, we selected mold temperature, melt temperature, holding pressure and dwell time as experimental factors, selected warpage and shrinkage as target variable.

其次，运用Design-expert软件设计了Box-behnken试验，选取模具温度、熔体温度、保压压力、保压时间作为实验因素，以翘曲变形和体积收缩率作为目标变量。

Study on Relationship of Shrinkage Temperature and Molecular Size of Novel Chrome-free Tanning Agent

新型无铬鞣剂的分子尺寸与鞣革收缩温度关系的研究

The results showed that anion aqueous PU resin retanning agent can improve the shrinkage temperature and mechanics strength of chrome tanned leather.

试验表明阴离子型聚氨酯树脂复鞣剂可提高铬鞣革的收缩温度及力学强度。

Through rationally controlling pouring temperature, preheated temperature for mould and temperature distribution of the cast mould, the shrinkage porosity in the castings can be eliminated to obtain the castings with high and even mechanical properties.

合理控制浇注温度和铸型预热温度能有效地消除大高径比铸件内的缩松，获得力学性能高且均匀的铸件。

Its primary factor is the temperature distortion and the concrete shrinkage strain which the cement hydration heat produces.

产生裂缝的原因很多，其主要因素是水泥的水化热产生的温度变形和混凝土的收缩变形的共同作用。

The acellular dermal matrix modified by glutaraldehyde increased in shrinkage temperature while tear resistance declined;

戊二醛改性后脱细胞真皮基质的收缩温度大大提高，但是抗撕裂能力减弱；

The numerical simulation of temperature field and shrinkage defect prediction for a valve casting, which was involved in 4 kinds of casting processes, were carried out. The good agreement has been obtained between the numerical simulation and the experimental result verification.

对采用4种不同铸造工艺方案的阀体铸件凝固过程进行了数值模拟及缺陷预测，获得了与试验相一致的模拟结果。

The numerical simulation of3D temperature field of castings during solidification process was carried out and the shrinkage cavity and porosity of sample castings were predicted using G/ R method.

对铸件开展了凝固过程三维温度场数值模拟，并应用G／R法对铸件进行了缩孔缩松预测。