灰砂比

抗渗压力在灰砂比为1∶2时取得最大压力值；

Impermeability pressure gets maximum value when cement-sand ratio is one to two .

采用硅酸盐水泥为固化剂，初步研究了油泥砂的固化效果，考察了灰砂比、时间和原油含量等对固化体抗压强度的影响。

NaCl was used as demulsifying agent to achieve crude oil recovery . 3 、 Portland cement was used as solidification agent . Solidification effect was studied . Cement-sand ratio , time and oil content on compressive strength were examined .

水灰比、灰砂比和UEA对石屑砂浆干燥收缩性能的影响

Effects of Water-Cement RatioC 、 ement-Aggregate Ratio and UEA on Drying Shrinkage of Stone Chips mortar

在灰砂比为10∶1，浓度76%时，28d抗压强度为0.81MPa；

At a ratio of 10 ∶ 1 , a density of 76 % and 28 day-curing cycle , the compression strength was 0.81 MPa ;

应用INSTRON刚性伺服试验机对不同灰砂比的充填体进行了劈拉试验，测得荷载-位移和应力-应变全曲线。

A series of splitting tensile tests were conducted by using an INSTRON testing system to investigate the effect of cement-tailings ratio on the properties of backfill .

试验是在常压实验架上进行的，由XZ型三柱塞泵提供动力，岩心采用灰砂比1：1.5的自制岩心。

Test was done on an atmospheric tester with power provided by a XY type triplex plunger pump . A synthetic core with ratio of cement to sand as 1 : 1 . 5 was used .

灰砂比为1：2.5是较为理想的，砂浆的和易性较好，韧性较好；

When cement-to-sand ratio is 1:2.5 , toughness of mortar is perfect .

处理灰砂比1∶3～1∶4.5砂浆试件，其抗渗压力比为200%～250%。

To dispose sand mortar with 1:3 ~ 1:4.5 cement-sand ratio has 200 % ~ 250 % impermeability pressure ratio .

试验表明随着灰砂比的降低，新型防水干混砂浆的强度降低；

The test shows that the strength of the mortar is reduced along with the reduction of cement - sand ratio .

浓度相同条件下，不含水泥、灰砂比1∶8和灰砂比1∶4料浆的渗透系数依次减小。

Under the same slurry density , the permeability of the slurry with cement-tailing proportions of 0,1 ∶ 8 1 ∶ 4 are progressively decreased .

松散颗粒填充隔热层为了降低充填成本，安庆铜矿尾砂胶结充填体在不同的高度采用了不同的灰砂比。

To reduce the filling cost , various cement sand ratios are used at different heights for the tailings consolidated filling body in Anqing Copper Mine .

因此，安庆铜矿充填体灰砂比的优化是一个十分复杂的非线性组合优化问题。

Therefore , the optimization of the cement sand ratio of the filling body of Anqing Copper Mine is a very complex problem of nonlinear combined optimization .

分析了灰砂比、水泥标号、拌合工艺、聚合物品种和掺量、纤维品种和掺量、养护制度等对粘结砂浆性能的影响。

This paper analyses the influence of cement / sand ratio , grade of cement mixing processes , variety and added quantity of polymer and fiber , curing system on binding mortar properties .

由于料浆的质量浓度、粉煤灰与水泥耗量之比，灰砂比与胶结充填体的强度存在着非确定性的相关关系，这种相依关系受随机误差的干扰。

There were the non-definite dependent relations in mass concentration of slime , ratio of pulverized coal ash and the cement consumption , lime-to-sand ratio and strength of cemented filling body , therefore , the relations were disturbed by random errors .

介绍了粘结强度的测试方法，进行了灰砂比、环境湿度及拉力反复作用对砂浆与饰面砖粘结强度影响的试验。

In this article , authors introduce the mortar adhesive strength test method and some tests , which were made to determine influences of cement sand ratio , environment humidity , and repeating pulling force on the adhesive strength between mortar and tapestry brick .

较系统地研究了集料碱硅酸反应动力学和碱活性检测方法中的一些主要参数，其中包括反应温度、反应时间、养护碱浓度、灰砂比、水泥碱含量等。

The dynamics of alkali silica reaction ( ASR ) and some major parameters of testing method for determining ASR reactivity of aggregate were systematically investigated , which included reaction temperature , period , concentration of alkali solution , cement to aggregate ratio , and alkali content of cement etc.