从而实现了普通强度混凝土的高性能化。
High performance ordinary-strength concrete is thus proposed.
高性能混凝土是在大幅度提高普通强度混凝土性能的基础上以耐久性设计作为主要指针的一种新型高技术混凝土。
High performance concrete (HPC) is new high-tech concrete, which is on the basis of improving of the property and aimed at the durability design.
下述条款给出了普通和高强度混凝土的原理和规定。
P The following clauses give principles and rules for normal and high strength concrete.
表明高强混凝土立方强度尺寸效应不同于普通混凝土。
Expressing the high strength concrete cube strength size effect differs from the common concrete.
结果表明，高强次轻混凝土梁比轻集料混凝土梁的抗剪承载力有较大的提高，且比普通混凝土梁的抗剪强度大；
The tests indicated that the ultimate shear strength of it was a little larger than normal-weight concrete beam's, and larger than lightweight concrete beam.
普通混凝土的强度与水灰比的大小成线性关系。
The intensity of normal concrete is linear relationship with the size of water cement ratio.
普通的混凝土垂直运输方式浇筑强度低，受干扰大。
The casting intensity by ordinary vertical concrete transport is low and the disturbance is large.
着重考察了普通强度等级的新型碱矿渣混凝土抗冻性能。
The frost resistance of a new type of alkali-slag concrete in the ordinary strength was discussed in this paper.
纯弯段无腹筋的高强轻集料钢筋混凝土梁在破坏时表现出较强的脆性，延性要比同一强度等级普通混凝土梁略差。
And reinforced high-strength lightweight concrete beam is less ductile as compared with the normal-weight concrete beam of the same concrete strength.
结果表明，石屑混凝土的抗压强度、劈拉强度、轴心抗压强度比普通混凝土高，弹性模量略大于普通混凝土；
The results showed that the strength of stone-chip concrete is higher, and the modulus of elasticity is slightly higher than that of ordinary concrete.
本发明的钢渣墙体砌块在耐久性、强度、耐磨性、承载能力等方面相对普通混凝土砌块有明显的优势。
The steel slag wall block of the invention is explicitly superior to a common concrete block in such aspects as durability, intensity, abradability, bearing capacity and the like.
在相同的侧向约束下，高强混凝土柱的核心强度提高幅度低于普通混凝土柱。
For the same lateral confinement, high strength concrete columns develop lower strength enhancement than normal strength concrete columns.
阐述了普通混凝土的抗压强度及影响因素、提高混凝土强度的措施。
Expolunding the pressure resistance intensity of common concrete its influencing factors and measures of increasing concrete intensity.
结果表明：在同强度条件下，引气型混凝土的抗碳化性能显著高于普通混凝土。
The results show that carbonation resistance of air-entrained concrete are evidently better than that of ordinary concrete at equal strength.
分别以铁尾矿砂和铁尾矿石代替天然砂和普通碎石配制了C30和C60两个强度等级的混凝土。
Concretes of C30 and C60 were prepared with iron mine tailings as fine aggregate and coarse aggregate and with natural sand and common crushed stone separately.
根据试验数据回归得出了混凝土普通砖砌体的抗压强度和抗剪强度的建议计算公式，并绘制了混凝土普通砖砌体的抗压应力应变关系曲线。
Based on the experimental dates, the compressive strength and the shear strength advised formulas of concrete common brick masonry are proposed, and the stress-strain curve is plotted.
试验证实，体外索钢箱-混凝土组合梁比普通的钢箱-混凝土组合梁的刚度提高54.15%，极限强度提高27.72%。
The experiment results prove that the stiffness and the ultimate strength of the steel-concrete composite box beam are increased by 54.15 % and 27.72 %, respectively, through using external tendons.
试验表明，高强混凝土立方强度的尺寸效应不同于普通混凝土。
Experiments show that the dimension effect of cubic strength of high-strength concrete is different from normal-strength concrete.
施工实践证明，底孔压浆混凝土强度高于普通混凝土强度。
The construction practice proves that the grouted concrete strength higher th an the normal concrete strength.
本文实验研究了低温养护对普通混凝土和高性能混凝土的抗压强度的影响。
This paper experimental studies the effect of low temperature reservation on ordinary concrete and high performance concrete.
试验结果表明，高强混凝土局压强度提高系数较普通混凝土者有显著降低。
Tests showed that the increase of the local bearing strength of high-strength concrete is significantly lower than that of normal concrete.
首先，钢纤维和轻骨料能弥补普通混凝土存在的抗拉强度低和自重大等方面的不足。
First, the steel fiber reinforced concrete and the lightweight aggregate concrete can make up the deficiencies of common concrete such as low tensile strength and large dead weight.
高强混凝土的强度和变形特性与普通混凝土的相比有较大差别。
Compared with common concrete, the strength and the deformation characteristics of high-strength concrete vary greatly from that of common concrete.
基于国内外试验结果，通过对高强混凝土柱与普通混凝土板边节点混凝土的表现强度计算方法进行了述评。
Based on the investigation conducted in China and other counties, a review of the apparent strength of the edge high strength concrete column-normal strength concrete slab joints was presented.
提出普通热轧变形钢筋与活性粉末混凝土的极限粘结强度与锚固长度的计算公式。
The formula is put forward for calculating the ultimate bond stress and the anchorage length of hot-rolled deformed bars and reactive powder concrete.
结果表明：相对于普通混凝土，随着再生粗骨料取代率的增加，再生粗骨料混凝土具有强度和弹性模量降低等特点；
The results show that the compressive strength and elastic modulus of recycled coarse aggregate concrete are lower compared with conventional concrete.
通常情况下，大幅度提高抗压强度混凝土用于预应力结构比普通钢筋混凝土建造的。
Ordinarily, concrete of substantially higher compressive strength is used for priestess's structures than for those constructed of ordinary reinforced concrete.
《普通混凝土配合比设计规程》JGJ55—2000中明确指出有条件的地区应研究建立当地的混凝土强度关系式。
The DESIGN REGULATIONS of MIX RATIO of ORDINARY concrete (JGJ55-2000) definitely point out that the con ditioned areas should study and establish the local strength formula of concrete.
结果表明，混凝土的引气量和强度是影响普通混凝土和粉煤灰混凝土抗冻性的决定因素，满足抗冻性要求的引气量取决于相应的混凝土强度等级。
The results indicated that air content and strength of the concrete had significant effects on the freezing and thawing durability of concrete with and without PFA.
结果表明普通低标号混凝土抗冻性能较差，冻融循环对混凝土强度影响较大。
The result indicated that the resistance to freezing and thawing of normal low-strength concrete is very low. Freeze-thaw cycles have important affect to concrete strength.
应用推荐