So the properties of plastic molding for lower strength grade lumber can be improved by reducing the strain rate.
硬化强度等级低的板材可以通过降低变形速率改善塑性成型性能。
Load Angle, eccentric distance, steel ratio, concrete strength grade and length-thickness ratio had been analyzed.
分析了加载角、偏心距、含钢率、混凝土强度等级以及肢长厚比对构件承载力的影响。
At the same time, the concrete has high compressive strength, good durability, strength grade of a wide range of characteristics.
同时混凝土还具有抗压强度高,耐久性好,强度等级范围宽等特点。
The deterioration is accelerated because the strength grade of concrete is too low, depth of cover too thin, and drain off water unsuitable.
调查表明,原设计混凝土标号过低,保护层过薄,桥面排水不当,加速了劣化过程。
Large volume waterproof concrete with C30 strength grade and seepage resistance P>25 can be mixed by adding expansion agent and reduce-water agent.
经试验表明,在砼中复合掺加膨胀剂和高效减水剂,可制得强度等级为C30,抗渗等级P>25的大体积防水砼。
According to data collected in experiments, freeze-thaw effect on strength and deformation of four different strength grade concretes were analyzed.
通过对试验数据的整理,分析了冻融循环次数对四个强度等级混凝土的强度和变形的影响。
The whole stress-strain curves of structural lightweight aggregate concrete (LWAC) with strength grade from LC30 to LC55 were obtained experimentally.
测定了采用高强轻骨料配制的强度等级LC30~LC55的结构轻骨料混凝土(LWAC)的应力-应变全曲线。
In the test, the strength grade of concrete is C20 and C60, and the cementitious system contains 10%, 20%, 30% and 40% of fly ash in accord with weight.
实验中应用的混凝土的强度等级分别为C20和C60,其中粉煤灰的掺量(胶凝材料的质量分数)分别为未掺、10%、20%、30%、40%。
Some technical methods are used to make construction convenient when different strength grade concrete is used in the joint of beam and column in high building.
介绍了高层建筑中 ,在钢筋混凝土框架结构的梁柱节点处 ,混凝土强度等级不同 ,为了方便施工 ,所采取的技术措施。
The results show that under the same supporting load, the cost of the steel reinforced and tubular concretes decreases as their concrete strength grade increases.
分析结果表明:在支撑相同荷载的前提下,混凝土强度越高,造价越低。
The mechanical properties of limestone chip concrete with ordinary strength grade were studied, and the relationships between the mechanical properties were analyzed.
本文研究了常用强度等级的石灰石石屑代砂混凝土的力学性能,并对各项力学性能指标之间的相关关系进行了统计分析。
It shows the axial tension initial cracking strength of concrete increases with the increasing of steel fiber volume ratio and enhancing of concrete strength grade separately.
结果表明:混凝土轴拉初裂强度分别随钢纤维体积率的增大和混凝土强度等级的提高而增大。
Activated by sodium glass, chemically bonded ceramics were produced with water-hardened slag grains from blast furnace, and the strength grade could be the same as grade 52.5 cement.
采用水玻璃激发高炉粒化矿渣,制备出了强度等级达到水泥52.5的化学结合陶瓷,并研究其反应机理。
Based on design criterion and construction practice, the paper presented the method to treat beam - column node concrete with different strength grade in course of design and construction.
在设计规范与工程实践的基础上,着重论述了梁柱节点不同混凝土强度等级在设计和施工中的处理方法。
Longitudinal reinforcement (reinforcement ratio) and the stirrup strength grade contribute little to the improvement of horizontal bearing capacity. It can be collocated by configuration. For R.
加固用纵筋(配筋率)及箍筋强度等级,对结构水平承载力的提高贡献不大,可按构造配置;
On the condition that same axial compression ratio, bearing capacity and stiffness of RC frame columns increases with concrete strength grade after the construction member achieve yield strength.
相同轴压比条件下,构件达到屈服荷载后,构件的承载力和刚度都随混凝土强度等级的增大而提高。
At the end of the paper, a stress strain response model of different concrete grade has been built only using the compressive strength, and this model coincides well with the experiment results.
文末,仅通过混凝土立方体抗压强度,建立了不同强度等级混凝土的应力-应变曲线上升段本构关系,该模型结果与试验结果吻合很好。
Founded in 1989, specializing in the production of high-grade lock, enterprise strong technical strength, advanced production technology, strict quality management.
公司建立于1989年,专业生产中高档锁具,企业技术力量雄厚,生产工艺先进,质量管理严格。
New imported food grade SUS304 stainless steel shell design, high strength, not burst, deformation, leakage prevention effect is good, environmental protection, safe and durable.
全新进口食品级SUS304不锈钢外壳设计,强度高、不爆裂、不变形、防漏效果好、环保、安全、经久耐用。
In this study, quality light aggregate concrete with 1800 grade of apparent density and CL50 grade of compressive strength was obtained, using mixed type aggregate.
本项研究用混合型集料配制出了表观密度等级为1800,抗压强度等级为CL50的优质轻混凝土。
The concrete strength can get the C20 or C30 grade when the structure is reinforced in the non-stop condition, which achieves the expected function and notable economic performance.
在不停产的条件下,对结构进行加固,使混凝土强度达到C20、C30强度等级以上,达到预期的使用功能。
The strength and toughness of super fine grain steels are greatly increased because of its micrometer or sub micrometer grade grain size.
超细晶粒钢依靠生成微米级或亚微米级的铁素体,使钢的强度和韧性大大提高。
The crush strength of pressed pellets of capacitor grade tantalum powder which is used for making tantalum solid electrolytic capacitor was tested.
用电容器级钽粉压成适于制作固体电解电容器阳极的坯块, 压缩测定其生坯强度。
Oxide pellet proportion in blast furnace burden grows because of its good strength, uniform size, high iron grade and metallurgical properties.
氧化球团矿因其强度好、粒度均匀、铁品位高以及冶金性能良好等优点,在高炉炉料中的比例越来越高。
Suitable for welding of critical structures of low carbon steel and low-grade strength of low alloy.
用于焊接较重要的低碳钢结构和强度等级较低的低合金钢。
Compared with available cement with slag mixture, the said cement has greatly raised 28-day strength, over Grade 700.
此种水泥与加矿渣混合材的水泥对比,28天强度有大幅度提高,可达700号以上。
It is suggested to rein - force local bearing wall's strength by raising up the grade of cement sand grout.
建议提高砂浆强度等级在砖砌体局部加强强度。
The strength of as-extruded alloy under two grade homogenization increased 9% compared to the alloy under single grade homogenization.
分级均匀化后挤压合金的性能相对于单级均匀化的合金,强度提高了9%。
During the manufacturing of SSAW pipe for Sudan pipeline, J557 electrode shall be applied as bottom weld materials according to the matched requirement of grade and strength.
在苏丹管线用螺旋埋弧焊管生产过程中,根据钢级及强度匹配要求,选用J557焊条作为打底焊材料。
Introduced the steel grade and strength of common used and will be used steel pipe in the world and carried out economic analysis.
文章介绍了国内外常用和将采用钢管的钢级强度值,并进行了经济分析。
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