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- The compressive strength was as high as 350MPa. 抗压强度高达350MPa以上。
- Attaining the unification about the compressive strength unde... 以达到产品耐压强度?焙烧温度?成品率三者的统一。
- 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.
- The pseudo-force method is applied to calculate the compressive strength factor of the kinky propagated crack with the effect of interaction among cracks taken into account. 采用伪面力法计算了考虑相互作用的弯折扩展裂纹应力强度因子,并通过一些简化得到了显式的表达式。
- The results indicate that the confinement of CFS increases the compressive strength and ductility of reinforced concrete square columns remarkably. 结果表明:碳纤维布包裹加固钢筋混凝土方柱,能有效提高其轴心抗压极限承载力,大大改善其延性。
- Research about the effects of mineral admixture on the compressive strength and pore porosity of low-temperature concrete without antifreeze. 摘要目的研究了在不掺防冻剂的情况下,掺合料种类及掺量对低温沉凝土强度及孔隙率的影响。
- The compressive strength of the autoclaved product increases when mixed with pyrite tailing with lime or gypsum present. 在系统中存在石灰或石膏的条件下,硫铁尾矿的加入在实验范围内有利于蒸压制品抗压强度的提高。
- The compressive strength of some samples with mass ratio 0.3 of water to cement reached to 90 MPa at 28 d age. 由该熟料制备的水泥 ;以 0 .;3 0水灰比制备的一些样品抗压强度在 2 8d龄期已接近 90MPa;展现出良好的前景。
- Conclusion: To select the venner type frame designs can raise the compressive strength of ceramometal restorations. 结论:采用镶嵌型支架设计能提高金瓷冠的抗压强度。
- While the compressive strength increases with the descending of the porosity of the preforms. 多孔预制体抗压强度随孔隙度的下降而增大。
- As the latex addition increases, the compressive strength of cement stone is reduced, and the fle... 自行设计了一套测定水泥石胶结强度的装置,实验证明所提出的测定方法是可行的。
- The compressive strength of lower alkalinity steel slag autoclaved product decreases when mixed with pyrite tailing alone. 单独掺入硫铁尾矿,低碱度钢渣蒸压制品的抗压强度下降。
- In addition, the compressive strength, absorption rate, rapid chloride penetration test (RCPT) and chloride ion diffusion test were performed. 此外并进行各项试验其中包括抗压强度、吸水率、快速氯离子渗透试验(RCPT)、氯离子扩散试验及混凝土电阻试验等探讨高性能混凝土的耐久性。
- The compressive strength of the G/C is similar to, and the flexural strength is lower than, those of carbon felt/pyrocarbon composites. 复合材料的力学性能比纯石墨高一倍,抗压强度与炭毡增强C/C复合材料相当,弯曲强度比炭毡增强C/C复合材料略低。
- The el cts of chemical composition of waterglass on the compressive strength and pore structure of alkali slag cement paste were investigated. 本文主要研究了激发剂对碱矿渣水泥强度、硬化碱矿渣水泥浆体的孔结构及其水化程度的影响。
- They can remark ably improve the workability,reduce the gradual loss of lump and improve the compressive strength of concrete. 这两种复配型减水剂能明显改善混凝土的和易性,降低坍落度损失和提高混凝土抗压强度。
- There is a threshold value for the sulfur content, at which the compressive strength and the workability of SRC reaches an optimum balance. SRC存在硫磺掺量阈值,在该值时SRC的抗压强度和工作性能最优。
- The result shows that,the fineness of slag has little effect on the workability of HSC but it has much more effect on the compressive strength of HSC. 试验结果表明:矿渣细度对高强混凝土的流动性影响不大,但对高强混凝土的抗压强度有较大的影响。
- Secondly, it was revealed that the compressive strength and elastic modulus were sensitive to the addition of rubber from the rubber experiment. 对橡胶的单因素试验揭示了橡胶掺量与材料弹性模量和抗压强度的变化关系;
- It was shown that the compressive strength and ductility at RT of Ti-8.5wt%Si eutectic alloy can be improved effectively by additional minim elements such as Y, Be, Sm, B, Nd. 试验表明;添加适量钇、铍、钐、硼、钕等元素;均可有效提高Ti-8.;5%25Si合金的室温压缩强度和塑性;并细化其微观组织。