The drying shrinkage and self shrinkage of concrete were experimentally studied.
实验研究了混凝土干缩及自收缩性能。
However the total drying shrinkage of HPC is similar to that of the normal concrete.
但整体的干缩与普通混凝土相似。
However the drying shrinkage of HPC is similar to that of the normal strength concrete.
但整体的干缩与普通混凝土相似。
The mechanics and drying shrinkage properties of high C3S cement and popular cement systems were studied.
研究了高c3s水泥系统和普通水泥系统的力学性能及干缩性能。
Yes we can produce on sizes for you, normally we give min. 5mm for drying shrinkage, but it is up to you.
是的，我们可以生产尺寸为您，我们通常给分。5毫米干燥收缩，但它给你。
The early water curing of concrete is longer and then the rate of late drying shrinkage of concrete is faster.
延长混凝土的早期水养时间，并不会减少混凝土的干燥收缩值，反而会使干缩速率加快；
Irreversible drying shrinkage is partially caused by the increase in the degree of silicate polymerization of C-S-H.
总干缩中部分不可逆收缩是由C - S - H的硅酸盐聚合度增加而造成的。
Internal and external drying shrinkage and thermal dilation are fundamentally related to the internal relative humidity.
内部和外部的干燥收缩和热膨胀，是从根本上关系到内部相对湿度。
It has been shown that limestone can reduce drying shrinkage, standard consistency and setting time of high zeolite cement.
结果表明：石灰石的加入，提高了高沸石水泥的早期强度，降低了水泥的标准稠度、凝结时间及干缩率。
The results indicate that with the increase dosage of fly-ash, the loss of water and drying shrinkage of cement paste increase.
结果表明：随粉煤灰掺量的增加，净浆失水率及干缩率随之增大。
The drying shrinkage strain develops slowly, since it is a function of the migration of the water through the hardened concrete.
干燥缩水应变发生较慢，因为它是一个水透过硬化混凝土的迁移作用。
The polypropylene fiber can effectively control the length, width and number of the drying shrinkage crack of early-age concrete.
聚丙烯纤维可有效控制混凝土早期干缩裂缝的长度、宽度和数量。
The effect of spraying technology of shrinkage reducing agent (SRA) on the drying shrinkage of cement-based materials was studied.
探讨了水泥基材料减缩剂喷涂工艺对水泥砂浆的减缩效果。
This technique can provide a new method for reduction of the drying shrinkage of concrete and prevention of the cracks of concrete.
该技术为混凝土的减缩防裂提供了新的途径。
The method of the invention has advantages of high content fly ash and compressive strength, low drying shrinkage value and good durability.
本发明粉煤灰掺加量高、抗压强度高、干燥收缩值低、耐久性较好。
Composite silicate insulation material plasticity, low thermal conductivity, high temperature resistant, low pulp drying shrinkage rate, etc.
复合硅酸盐保温材料可塑性强、导热系数低、耐高温、浆料干燥收缩率小等特点。
The double mix of expansion agent and shrinkage-reducing agent is an effective way to reduce the drying shrinkage fall of expansive concrete.
膨胀剂和减缩剂双掺使用是减少膨胀混凝土干燥收缩落差的有效措施。
Results shown that the addition of silica fume could increase the autogenous shrinkage a little and almost had no effect on the drying shrinkage.
结果表明：掺入硅灰会略微增加混凝土早期自生收缩，而对早期干燥收缩影响不大；
Water swelling and drying shrinkage due to moisture change is the expansive soil's characteristic which is similar to the thermal effect of material.
含水率变化时膨胀土体积会产生吸水膨胀或失水收缩，这与温度变化时一般材料的反应相似。
When taken in concrete with proper quantity, HCFA can compensate the drying shrinkage of concrete, and accordingly reduce the cracking risk of concrete.
混凝土中掺加适量高钙灰，对于混凝土的干燥收缩有补偿作用，可降低其开裂风险。
The results indicated that high C3S cement had higher strength and less drying shrinkage and can largely utilize fly ash (up to 40% of fly ash may be added).
结果表明，高c3s水泥具有较高的强度和较小的干缩，可大量利用粉煤灰(掺量可达40%)。
Wood drying shrinkage element introduced in the model may explain the original force of producing drying stress of shrinkage differential of different layers.
在模型中引入与木材含水率密切相关的干缩元件，解释各层的干缩差异是产生干燥应力的源动力。
In this paper, we discussed tenacity and drying shrinkage rate of the advertising lamp shade PET industrial fiber using the orthogonal test and single-factor test.
利用正交试验和单因子试验，对影响灯箱布用涤纶工业丝的断裂强度和干热收缩率指标的工艺因素进行了研究。
The influence of different superplasticizers on drying shrinkage of mortar with the same water cement ratio and same sand cement ratio was investigated in this article.
通过试验研究了几种类型的高效减水剂在同样水灰比和砂灰比的情况下对砂浆干燥收缩性能的影响。
This paper showed the results of experimental study on the effects of different types and adding amount of alkali on the loss rate of water and the drying shrinkage of cement paste.
通过测量不同品种和掺量的碱对水泥基材料的水分损失量和自由收缩率，研究了在干燥条件下不同的碱对水泥基材料收缩性能的影响规律。
Effects of several factors of binders, including the total amount of binder, water binder ratio and the dosage of fly ash, on drying shrinkage of concrete are discussed in this paper.
通过试验分析了胶凝材料总量、水胶比、粉煤灰掺量对混凝土干缩性能的影响。
The results showed that alkali-activated fly-ash cementing material has good sulphuric acid resistance and low bulking factor and high drying shrinkage against ordinary Portland cement.
结果表明：与水泥相比，碱激发粉煤灰胶凝材料具有良好的抗硫酸侵蚀性、湿胀小、干缩大。
Moreover, the relation between the loss rate of water and the drying shrinkage of binder paste is tight and namely free shrinkage was increased with the increase of loss rate of weight.
同时，发现碱作用下水泥基材料的水分损失与收缩过程密切相关，即浆体的收缩随着水分的损失更加明显。
Moreover, the relation between the loss rate of water and the drying shrinkage of binder paste is tight and namely free shrinkage was increased with the increase of loss rate of weight.
同时，发现碱作用下水泥基材料的水分损失与收缩过程密切相关，即浆体的收缩随着水分的损失更加明显。
应用推荐