中热水泥

双膨胀中热水泥混凝土的膨胀性能

Expansive Property of Double - expansive Moderate Heat Portland Cement Concrete

探索了用膨胀型中热水泥来配制高性能混凝土对收缩的改善。

And HPC made from moderate heat Portland cement with expansion has been researched .

永久建筑物RCC选用525号中热水泥为主，Ⅰ级粉煤灰掺量为水泥用量的45%～58%。

425 and No. 525 will be used for RCC of the permanent structures . The proportion of fly ash grade I to cement is to be 45 % ~ 58 % .

试样抽检和观测表明：用MgO量为3.5%～5.0%的微膨胀中热水泥配制砼，具有微膨胀性，最大膨胀量约55μm；

The sample testing and observation show that the concrete made of micro-expansion medium heat cement with MgO in the range of 3.5 % ~ 5.0 % has the micro-expansion property with the max. expansion of ca. 55 um .

通过抗折和抗压强度试验研究了粉煤灰掺量对中热水泥-粉煤灰体系的强度的影响，通过水化率测定和XRD分析研究了中热水泥-粉煤灰体系的水化特性。

By using the methods of compressive and flexure strength test , the effect of fly ash replacement amount on the strength of moderate heat Portland cement-fly ash system was investigated . After hydration rate determination and XRD analysis , the hydration characteristic of the system was researched .

低热与中热水泥混凝土抗裂性能研究

Study on anti-crack properties of low and medium heat cement concretes

湿法窑利用高灰分劣质煤煅烧中热水泥熟料

Calcining mid-heat cement clinker with faulty coal in wet-process rotary kiln

双膨胀中热水泥拌制的微膨胀混凝土施工试验

Construction Test of Slight Expansion Concrete Made from Moderate Heat Portland Cement with Double Expansive Sources

结果表明生产的中热水泥各项性能指标均符合相应国家标准，有较好的经济效益。

In the end , each index of mid-heat cement clinker produced by above process accords with relevant national standard , and economic effect is good .

为降低生产成本，经实验和实践在湿法旋窑上采用劣质煤煅烧中热水泥熟料。

In order to reduce production cost , by experiement and practice , to calcine mid-heat cement clinker with faulty coal in wet process rotary kiln .

试验和计算结果表明：425号低热水泥混凝土的抗裂性能明显比525号中热水泥混凝土的好；

Test and calculation results show that the anti-crack properties of No. 425 low heat cement concrete are obviously superior to those of No. 525 medium heat cement concrete ;

科研开发方面如复合水泥、低碱水泥、中热水泥、新式收尘设备的新产品开发以及喷煤管研究、熟料质量和水泥粉磨技术研究等。

In research and developing , we developed compound cement , low alkali cement , middle thermal cement , new dust collection etc , and study burner , clinker quality and cement grinding technology etc.

根据以上结果，对体系的贫钙现象进行了探讨，认为不必担心中热水泥-粉煤灰体系的贫钙问题。

According to the above results , " poor calcium " question of the system was further discussed , it is not suggested that " poor calcium " question to the Moderate Heat Portland Cement-fly ash system or corresponding mass concrete should be feared .

根据薄壁结构混凝土的特点，利用中热硅酸盐水泥优化设计出了C50抗渗防裂混凝土配合比。

According to the features of concrete of thin-walled structure , C50 anti-permeating and anti-cracking concrete was designed by utilizing moderate-heat Portland cement .

低碱中热硅酸盐水泥生产控制指标的探讨

Control Index Exploration for Low-alkali Moderate Heat Cement Production

中热硅酸盐水泥的研制

Investigations on Moderate Heat Portland Cement

采用铅锌尾矿为原料来烧制中热硅酸盐水泥熟料。

In this article , lead-zinc tailing was used as raw material to prepare middle heat clinker .

磷渣细度和掺量对中热硅酸盐水泥物理性能的影响

Effect of addition amount and fineness of phosphorus slag on physical performance of moderate heat Portland cement

本文采用铅锌尾矿为原料烧制中热硅酸盐水泥，并与用粘土配料烧制的中热水泥进行对比。

The sample moderate heat cement which was prepared by lead-zinc tailing was compared with the sample which was prepared by clay .

为了提高水工大体积混凝土中的粉煤灰掺量，研究了中热水泥-粉煤灰体系的贫钙问题。

Aimed at increasing the replacement amount of fly ash in hydraulic mass volume concrete , the poor calcium problem of moderate heat Portland cement-fly ash system was studied .