Some measures of setting late poured band, optimizing mix proportion of concrete and controlling raw material quality can assure no cracks in circle beam foundation.
通过采取设置后浇带，优化混凝土配合比，控制原材料质量等措施，保证环梁基础不产生裂缝。
This paper introduces the mix proportion of high fly ash content concrete instead of 30% cement with fly ash and some experiment results of the test examples in laboratory.
介绍了在水泥混凝土中，采用粉煤灰替代30 %水泥的高掺量粉煤灰混凝土的配合比设计，以及试件力学性能的室内实验结果。
Concrete mix proportion with better technical and economical performance is concluded on the basis of a series of performance experiments and tests.
通过系列性能试验论证，得到技术经济性能更优的混凝土配合比。
In the mix proportion design of concrete with higher fly-ash content, it is in need to research the impact factors require and to make certain the reasonable value.
高粉煤灰混凝土配合比设计，需要考察多个影响因素并确定其合理取值。
The mix proportion test and practical construction check demonstrate the concrete indexes of the anti-scouring wall meet DE.
配合比试验和实际施工检测表明：左岸防淘墙混凝土各项指标均能满足设计指标的技术要求。
The study result can be take as a kind of replenish of concrete as a special multi-material, and also can offer accurate and scientific reference in concrete mix proportion.
本文研究结果对于混凝土作为特殊复合材料的理论是一种补充，也在一定程度上为混凝土配合比设计科学化和准确性提供了依据。
When carrying out winter concrete construction, how to correctly and quickly design construction mix proportion of winter concrete with local cement in short period is mainly clarified.
主要对冬期施工时使用地方水泥，试验室如何在短期内准确快捷地进行混凝土配合比的设计作了阐述。
The paper gives a evaluation system of the mix proportion design of concrete based on the VE and AHP and the results has a certain reference value.
本文提出了一套基于价值工程理论和层次分析法的混凝土配合比设计的评价体系，结果具有一定的参考价值。
Mix proportion design method of self-compacting concrete(SCC)is studied in this paper.
研究了自密实混凝土（SCC）的配合比设计方法。
A mix proportion design method of pervious concrete is provided, of which total void ratio is the first design parameter and compressive strength is the second one.
根据透水混凝土的结构特征，对其配制参数和配合比计算方法进行了研究，提出了以总孔隙率为第一设计参数，抗压强度为第二参数的配合比设计方法。
This paper deals with materials, design parameters. construction batch strength and design of mix proportion for underwater concrete cast in a major diameter cast in place pile.
论述大直径灌注桩水下浇注混凝土时的材料选择、设计参数选择、施工配制强度及配合比设计。
Based on the designing and experiment of mix-proportion, the elements influenced on concrete resisting to freeze-thaw damage were analysed.
通过配合比设计试验，分析影响混凝土抗冻融的因素。
By reasonable pouring, mix proportion optimizing, effective temperature control and reasonable curing, the concrete quality of spillway tunnel is guaranteed and no crack found.
通过合理选择浇筑措施、优选配合比、有效的温度控制以及合理的养护，目前，泄洪洞各方面质量均满足要求。且：禾发现裂缝。
The selection of mix proportion design parameter different from common concrete was probing into, too.
并探讨其不同于普通混凝土的配合比设计参数的选定。
In this paper the author has analyzed the destructive reasons and studied some repair methods, especially introduced mix proportion and properties of steel fiber silicic concrete in detail.
本文对泄水段破损的原因进行了认真分析，对修补的方法进行了一定的研究，特别是对钢纤维硅粉混凝土的性能及配合比的实验情况进行了详细介绍。
The mix proportion of the anchoring material is determined by experiments. The compressive strength, adhesive force to concrete, volume stability and anchoring force with steel bar are studied.
通过试验确定无机锚固材料的配合比，并对其抗压强度、与混凝土的粘结强度、体积稳定性、对钢筋的锚固力进行研究。
In order to increase the performances of seepage control and crack prevention of metamorphic concrete, the test and study on metamorphic material and its mix proportion should be further made.
为了提高变态混凝土的抗渗防裂性能，应在变态用材料及其配合比上作进一步的试验研究。
The mix proportion and the measurement method of the carbon-fiber reinforced concrete are introduced in this paper.
粗骨料的引入使碳纤维混凝土力学和压敏性能较碳纤维水泥砂浆有较大的不同。
Physical and chemical properties of self-compacting concrete can be regulated by design of mix proportion.
可通过配合比调整其物理、力学性能。
Physical and chemical properties of self-compacting concrete can be regulated by design of mix proportion.
可通过配合比调整其物理、力学性能。
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