Contrast tests on concrete with super early strength accelerator and reference concrete under different conditions were conducted.
进行了不同条件下的掺超早强剂混凝土与基准混凝土的对比试验。
The sand is lack in the western China, so preparing self-compacting concrete with low and middle strength with Super Fine Mountain Sand and Artifical Sand is necessary.
西部地区河砂匮乏，应用特细山砂和机制砂配制中低强度等级的自密实混凝土是西部地区迫切需要开发的混凝土工程技术。
Finally, according to regression analysis of the experimental data, the shear strength formula of super high-strength concrete unconstrained beams under point load is achieved.
最后依据对试验数据的回归分析分别得出了集中荷载作用下超高强混凝土无腹筋简支梁和约束梁的抗剪强度回归公式。
The primary objective is to study the effect of high-modulus PVA fibers on improving the seismic performance of super-high-strength concrete short columns with high axial pressure ratio.
试验旨在研究在较高轴压比条件下，高弹模PVA纤维对超高强混凝土短柱抗震延性的改善作用。
The sulphuric acid erosion resistance of super-early and super-high strength concrete containing limestone powder and lithium slag was studied by means of accelerating cycle soak test.
采用周期浸泡加速试验方法，研究了石粉锂渣超早强超高强混凝土的耐硫酸腐蚀性。
High Strength Concrete (HSC) is widely used in super-tall building structures and large span structures.
高强混凝土广泛应用于超高层建筑结构和大跨结构中。
At the same time, analyze some strength guideline relationships of super-high-strength concrete.
同时分析了超高强混凝土的几个强度指标间的关系。
The components of modern concrete have been improved which with the characteristic of high efficiency in concreting and super-strength.
现代混凝土的组分发生了变化，并具有早强、高强的特点。
In addition, the promoting of glucose-acid Na added with the super plasticizers into HPC can highly improves the strength of concrete.
另外，在高性能混凝土中，葡萄糖酸钠与高效减水剂复配，还可提高混凝土的后期强度。
In addition, the promoting of glucose-acid Na added with the super plasticizers into HPC can highly improves the strength of concrete.
另外，在高性能混凝土中，葡萄糖酸钠与高效减水剂复配，还可提高混凝土的后期强度。
应用推荐