sand ratio造句
例句与造句
- Research on sand ratio of modified asphalt mixture
对改性沥青混合料中砂率的研究 - Effect of binder - sand ratio on mechanical properties of steel fiber mortar
胶砂质量比对钢纤维砂浆力学性能的影响 - The test results show that the drawing interval of 1 . 5 m is helpful for controlling dead - unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top - coal
试验结果表明，放煤步距采用三采一放有利于控制顶板极松散细砂岩，降低放出顶煤的含砂率。 - Under different sand ratio , the relationship between water cement ratio and 28 day compressive strength is researched and the coefficient of recycled concrete is induced
在不同砂率下,分析了再生混凝土28天龄期抗压强度与水灰比之间的关系,并回归分析得出了再生骨料系数。 - In order to study the effect of sand ratio ( s / a ratio , fine aggregate volume / total aggregate volume ) on the elastic modulus of self - compacting concrete ( scc ) , concretes with various s / a ratios were cast and tested
摘要本研究主要探讨混凝土含砂率（ s / a ，细骨材体积/总骨材体积）对流动化混凝土（ scc ）弹性模数的影响。 - It's difficult to find sand ratio in a sentence. 用sand ratio造句挺难的
- For the mixing proportion design of marine engineering high - performance concrete , the strength and durability , as well as raw material performance , water - binder ratio , sand ratio , and water quantity shall be designed synthetically
海工高性能混凝土的配合比设计应充分考虑强度和耐久性，并对原材料的性能、水胶比、砂率、用水量等进行综合设计。 - Efficiency of permeable pile dike is closely related to water - sand ratio in upstream flow , direction of the coming flow and seepage rate . this paper investigates mechanism and effect of flow control and aggradation using hydraulic modeling and theoretical analysis . it is shown that suitable seepage rate can help aggradation and suitable coming flow direction can help to govern the flow trend
研究结果显示，来流和来沙一定的条件下，透水率在适当的范围内有利于坝后缓流落淤，入流角在一定范围内对控导河势有明显作用，不同方案组合所对应的缓流落淤效果和控导河势作用具有一定的差异性。 - Based on the principles of designs of self - compacting and light aggregate concrete mix , sclc of lc30 - lc50 was developed by using absolute volume method . the main factors affecting the workability of sclc were studied by adopting the modified l - 800 fluidity instrument . the results indicate that the key techniques insuring good workability of sclc are about 30 % first - grade fly ash , about 50 % volume sand ratio , 2 % ~ 6 % dosages of silicon fume and compounded superplasticicizers with viscous ingredient
采用改进l - 800流动仪，研究了影响lc40自密实轻骨料高性能混凝土工作性的主要因素，结果表明：粉煤灰掺量保持30左右，硅灰掺量为2 6 ，体积砂率为50左右和掺加具有粘塑组分的复合高效减水剂是保证sclc拌合物具有较好工作性的关键。 - The influence of the material composites factors , such as fiber volume fractions , fiber aspect ratio , cementitious - sand ratio and the admixture for interface tailoring , on the properties of pva - dfrccs is studied . these properties that have investigated include workability , mechanical properties , deformability and durability
研究并分析了材料组成参数( pva纤维体积率、纤维长径比、界面改性剂和砂灰比等)对高强高弹pva纤维增强水泥基材料( pva - dfrcc )的工作性能、力学性能、变形性能及耐久性的影响。 - Secondly , preparation of reactive powder concrete with air quench steel slag and its performance are mainly studied through experiment . the results show that : ( 1 ) when binder - to - sand ratio is 1 , silica fume percentage of binder is 15 , and steel fiber percentage in volume is 4 , reactive powder concrete prepared can get best overall performances
其次，作者主要对钢渣活性粉末混凝土配制及其性能进行了试验研究，结果表明： ( 1 )胶砂比为1 : 1 ，硅灰掺量为15 ，钢纤维掺量为4时所配制的活性粉末混凝土的综合性能比较理想。 - By orthogonal tests , the influence of water cement ratio , unit water and sand ratio on the compressive strength and the workability of recycled aggregate concrete is analyzed , water cement ratio is most main factor and a reasonable sand ratio 0 . 35 0 . 40 exists
采用正交试验分析了水灰比、单位用水量和砂率对再生混凝土抗压强度与拌合物和易性的影响,得出水灰比是影响再生混凝土抗压强度与拌合物和易性的最主要因素,存在一个合理砂率在0 . 35 0 . 40之间,对再生混凝土抗压强度和拌合物和易性最为有利。 - Based on the productive experiment on heihe dam site , during april to august 2002 , site experiment was made on gongboxia hpp dam site , bjy - 40 extrusion curb placing machine was determined to be applied into gongboxia project , the batch ratio is : cement 80kg / m3 , sand 651kg / m3 , small stone 1449kg / m3 , and sand ratio 31 % , w / c ratio 1 . 31 , admixture 3 %
在生产性试验的基础上， 2002年4 8月，在公伯峡面板坝现场进行了挤压边墙施工各个环节的试验，通过试验，确定公伯峡面板坝使用陕工局西安理工大学工程项士学位论文水利机械厂研制的bjy 40型混凝土边墙挤压机进行固坡施工，其混凝土配合比为：水泥80kgb ’ ，砂651kgb3 ，小石1449kgb ’ ，砂率31 ，水灰比1