Medium hard formation with high compressive strength. Such as hard shale, limestone, sandstone, dolomite, anhydrite and marble.
高抗压强度的中硬地层，如硬页岩。石灰岩。砂岩。白云岩。和硬石膏。大理石。
Low compressive strength of soft to medium formations. Such as soft shale, soft limestone, soft sandstone, hard and soft abrasive interbedded medium formation.
低抗压强度的软到中等地层，如中软页岩。中软石灰岩。中软砂岩。和软硬研磨性夹层的中等地层。
Through the rock mass test, the linear relationship between critical load of the probe and its corresponding rock compressive strength is regressed.
通过岩块试验回归了探针的临界载荷和所对应的岩石单轴抗压强度之间的关系。
Rock wool products change due to fiber direction, not only can meet the requirements of fire safety, the tensile strength and compressive strength increase.
岩棉制品因纤维方向发生本质的变化，不但能够达到防火的要求，整体的抗拉强度和抗压强度的提高。
The research indicated that dispersal coefficient and compressive strength of the composites increase with the volume fraction.
研究表明，随着钢纤维的体积分数增大，复合材料的分散系数和抗压强度增加。
The computed rock compressive strength with the established regression model can support exact compressive strength for the establishing of sand prediction model for oil well.
利用该回归模型进行抗压强度的计算，可以为建立油井出砂的理论预测模式提供较为准确的岩石抗压强度数据。
Low compressive strength of the soft formation, such as mudstone, gypsum, gypsum, soft shale, soft limestone, sandstone.
低抗压强度的软地层，如泥岩。石膏。盐岩。软页岩。软石灰岩。砂岩。
By the study on the carbon fibre reinforced cement, this paper finds the relations between carbon fibre contemt and composites compressive strength and tensile strength.
本文通过对水泥基体掺入碳纤维进行研究，得出了复合体抗压强度、劈拉强度与碳纤维掺量的关系。
It has a rolled, rigidized surface which gives it a high modulus of rupture and compressive strength as well as high abrasion and hot gas erosion resistance.
它具有滚压刚化表面，不仅断裂模数大、耐压强度高，而且具备良好的抗磨损和抗热气腐蚀能力。
Based on the results of Bayes estimations, the standard deviations for the compressive strength of RAC with strength grades of C20 and C30 were proposed.
根据统计分析和贝叶斯估计结果，建议了强度等级为C20和C30再生混凝土抗压强度的标准值与标准差的取值。
Medium hard formation with high compressive strength. Such as limestone, taconite, blaize, quartzite, silica sand, basalt, granite ect.
高抗压强度的硬地层，如硬石灰岩。燧岩。硬砂岩。石英岩。石英砂。玄武岩。花岗岩等极硬岩层。
The result shows that the compressive strength at normal temperature of impregnated samples is raised in varying degree, their bulk density is increased and the porosity is decreased.
制得高强度耐火粘土砖的试验结果表明：浸渍处理后的试样，常温耐压强度均获得了不同程度的提高，体积密度增加，气孔率下降。
AIM: To compare the compressive strength, tensile strength and flexural strength of bulkily filled and incrementally filled visible light-cured composite resin.
目的：比较整体固化与分层固化光固化复合树脂的压缩强度、拉伸强度及弯曲强度。
The effects of different temperatures on compressive strength and bulk density were studied.
主要探讨了不同的烧结温度对试样的耐压强度和体积密度的影响。
Bending strength, compressive strength, interfacial bond strength and frost-resistance were also studied and analyzed.
并对其抗压、抗折、新老界面粘结强度及抗冻性等进行了实验研究。
Results showed that, adding proper recycled aggregates can not only enhance compressive strength of concrete but also advance its viscidity, water-keeping ability and heat preservation ability.
研究表明，适当掺加再生骨料不仅可以提高混凝土的强度，而且还可提高混凝土的粘聚性、保水性及保温性能。
The compressive strength of concrete at an age t depends on the type of cement, temperature and curing conditions.
时间t时的抗压强度与水泥种类，温度以及养护条件有关。
This paper has arrived at the compressive strength, shear strength, modulus of elasticity, poisson's ratio, moisture content, water absorption and softening factor of lime-sand brick masonry.
本文通过对灰砂砖及灰砂砖砌体的较系统的试验研究，得出了灰砂砖砌体的抗压强度、抗剪强度、弹性模量、泊桑比系数、含水率、吸水率及软化系数等。
In order to establish the axial compressive strength formula for CFST composite columns, axial compressive loading tests of 18 specimens have been carried out.
为了建立钢管混凝土叠合柱的轴压计算公式，进行了18个叠合柱试件的轴压试验。
The exceptional tool performance of sintered carbides results from their very high hardness and high compressive strength.
硬质合金材料的出色之处来源于它们非常高的硬度和耐压强度。
The results show that the dry density, bending strength and compressive strength of foam concrete block decreased with the increasing of the amount of foam.
研究结果表明：泡沫加入量增加，泡沫混凝土砌块的干密度逐步减小，抗折和抗压强度递减。
The compressive strength was increased by the addition of Na or K salt.
当液剂中添加钾或钠盐时，可使固化体的压缩强度增强；
The influence of fly ash and slag powders on the fluidity and compressive strength of cement mortars were investigated.
用不同掺量的矿渣粉及粉煤灰对水泥砂浆流动性和抗压强度进行了试验研究。
The effect of gypsum content on the hydration, compressive strength and setting time of Ba-bearing aluminoferriate cement was presented.
介绍了石膏含量对含钡铁铝酸盐水泥的水化、抗压强度和凝结时间等性能的影响。
The compressive strength and porosity of the product are measured.
对制品进行抗压强度和气孔率的测试观察。
These criteria not only apply to the materials of unequal tensile strength, but also to the rock material that uniaxial compressive strength is not equal to biaxial compressive strength.
这三个新的强度准则不仅适用于拉压强度不等的材料，并且适用于那些单轴压缩强度不等于双轴压缩强度的岩土类材料。
These criteria not only apply to the materials of unequal tensile strength, but also to the rock material that uniaxial compressive strength is not equal to biaxial compressive strength.
这三个新的强度准则不仅适用于拉压强度不等的材料，并且适用于那些单轴压缩强度不等于双轴压缩强度的岩土类材料。
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