自然养护

高炉矿渣自然养护工艺探讨

A Study on Natural Curing Process for Silicate Bricks of Blast-furnace Slag

养护工艺通常分为自然养护、太阳能养护、蒸汽养护及加速硬化等。

The curing technologies are usually classified as natural curing , solar energy curing , steam vapor curing , accelerated hardening curing , etc.

试验结果表明：自养护高性能混凝土在自然养护条件下28d抗压强度可以达到标准养护条件下28d抗压强度；

The result of test indicates : Compressive strength of the concrete with autogenous curing at 28 days under nature curing is as high as under standard curing .

本试验采用中型回弹仪和CTS-25型超声仪，依照超声一回弹综合法制定测强曲线的要求，对自然养护试块加速碳化后进行回弹法和超声法试验。

In the test , the medium-type rebound instrument and the CTS-25 ultrasonic apparatus were used .

影响自然养护粉煤灰硅酸盐制品性能的因素探讨

A study on factors effecting the performance of naturally cured fly ash silicate products

关于自然养护和风景保护的比荷卢公约

Benelux Convention on Nature Conservation and Landscape Protection

自然养护轻骨料的新工艺

New technology for naturally curing lightweight aggregates

估量砼浇筑后可能产生的最大温度收缩应力，及自然养护条件下7天时的温度收缩应力，并采取有效措施，控制温度收缩应力对地下室底板砼裂缝的影响。

Effective measures are taken to control the influence of temperature stress on basement bottom slab .

本文对粉煤灰烧结制品、蒸压制品、蒸养制品、免烧免蒸（自然养护）制品中常用外加剂的选择方法作了介绍。

This paper introduces the selection methods for admixtures commonly used in fired , autoclaved , steam-cured , and non-fired and non-steam-cured fly-ash products .

利用中铝赤泥、粉煤灰、骨料等材料采用模压成型，自然养护制成了赤泥免烧免蒸砖。

The unfired and uncured mud brick made of red mud , fly ash , aggregates and so on is pressed and cured in nature .

水泥刨花板卸出压机后的自然养护时间对快速固化水泥刨花板物理力学性能的影响主要取决于板在养护期间水泥的水化情况。

The natural curing time of CPB after hot pressing on the physical and mechanical properties of fast-curing CPB were determined by the hydration of cement .

试验研究了标准养护、自然养护、浸水养护以及一种带模供水养护方法对粉煤灰高性能混凝土的强度和收缩的影响。

The influence of four types of curing methods such as standard curing natural curing , water curing and curing method designed independently upon the strength and shrinkage of pulverized fly ash high performance concrete ( HPC ) is studied .

针对本地区大陆季风性气候的特点，通过对早期混凝土裂缝产生机理的理论分析，采用二次抹面和综合自然养护施工技术，彻底解决了施工泵送混凝土楼板的早期开裂问题。

In light of the characteristics of monsoon climate in certain district and through analyzing the appearing mechanism of antecedent concrete crack , the author solves the problem of antecedent crack in pumping concrete slab by quadric-plastering and integrative natural curing construction technique .

对于特定地区常用的原材料应该建立相应的预测公式，但是很多预测公式都是试验条件下建立的，从而忽略了实际工程中自然养护条件下和标准养护条件下温度差异对混凝土强度发展的影响。

For raw materials usually used in specific areas , there should establish the corresponding forecast formula , but many forecasting formulas are established under the experimental conditions , thereby ignoring the impact on the development of concrete strength from temperature difference between the natural conditions and the standard conditions .

自然的养护//TheanoBellaSpa。

NATURAL LIFT / / Theano Bella Spa .

当养护环境由密闭养护变为自然干燥养护时，收缩速率会突然增大，成为产生干缩裂缝的危险期。

The shrinkage of the specimens in airtight curing condition and natural drying condition were measured continuously .

本文以大流动泵送高性能混凝土作为研究对象，考察了高性能混凝土在自然环境养护条件下与实验室标准养护条件下的早期收缩状况，并对此进行了比较系统的分析。

This paper takes big flow pumping high-performance concrete as the research object , inspecting the high-performance concrete in the natural environment maintenance condition and maintenance condition under the condition of laboratory standard , and analyzes it systematically .

所谓环境目标包括保护人类动植物的生命和健康（包括食品和产品的安全）以及可再生自然资源的养护和保护。

Environment protection purposes include protection on the lives and health of human animals and plants , protection on the regenerative environmental resources .

在自然环境中养护时，混凝土各龄期的极限拉伸值均小于标准养护测定值，且混凝土的抗渗等级与抗冻等级均低于标准养护时混凝土的测试结果。

Compared with the properties of concrete under standard curing condition , the ultimate extension value , the anti-permeability grade , and the frost resistance grade of concrete under natural curing decreases obviously .

自然变负温养护和恒负温养护对混凝土强度的影响

Impacts of outdoor varied negative temperature and constant negative temperature on compressive strength of concrete

选用三种养护条件：（1）自然变负温养护；（2）室温养护；

We use three kinds of way : ( 1 ) natural varied minus-temperature ( 2 ) room temperature ( 3 ) constant minus-temperature .

自然变负温养护条件，由于变温条件增加了水泥石体系的自由能差，比恒负温养护在早期更能够促进混凝土的水化。

Natural change of temperature is better than constant negative temperature in promoting the hydration of cement for minus-temperature calcium-enriched fly ash concrete because of the difference of energy .

在自然条件下，由于温度高，相对湿度RH较低，导致在自然条件下养护混凝土的早期收缩发展较快，且产生的收缩结果比标准养护条件下要大。

In the natural conditions , due to the high temperature , relative humidity , resulting in low RH under natural conditions of early shrinkage of concrete curing is developing faster , and produce more contraction results under the natural condition than standard maintenance .