预应力压浆水泥浆的水灰比宜为()。
A: 0.4-0.45
B: 0.45-0.48
C: 0.48-0.50
D: 0.50-0.52
A: 0.4-0.45
B: 0.45-0.48
C: 0.48-0.50
D: 0.50-0.52
举一反三
- 杨华一家的负债比率为()。 A: 0.43 B: 0.45 C: 0.48 D: 0.50
- 水泥浆中水灰比宜为(),掺入适量减小剂时,水灰比可减小到0.35。 A: 0.35~0.40 B: 0.15~0.20 C: 0.40~0.45 D: 0.45~0.50
- 血细胞比容的正常范围是() A: 男0.50~0.60,女0.40~0.50 B: 男0.30~0.50,女0.25~0.40 C: 男0.40~0.50,女0.37~0.48 D: 男0.60~0.70,女0.45~0.50
- An Iowa paving project requires a water-to-cement ratio (w/c) of 0.45 in concrete due to exposure (freezing and thawing) condition, 0.50 due to sulfate content in soil and ground water, and 0.40 due to the concrete strength requirement. What should be the controlling w/c of the designed concrete? A: 0.45 B: 0.50 C: 0.40 D: 0.48
- 土钉注浆用浆液采用纯水泥浆或水泥砂浆。水泥浆的水灰比宜取() A: 0.3~0.35 B: 0.4~0.45 C: 0.5~0.55 D: 0.6~0.65