1) bended tube crack
弯管开裂
2) cracking during bending
折弯开裂
3) crack moment
开裂弯矩
1.
In order to restrict the bound of formula, the formula of crack moment is obtained.
同时推导出了开裂弯矩的计算公式,确定了滑移和变形挠度计算公式的适用范围。
4) cracking moment
开裂弯矩
1.
On the calculation of reinforced concrete beam and pile cracking moment and yield moment;
钢筋混凝土梁和柱开裂弯矩及屈服弯矩的计算
2.
With the basic formula of rectangular section concrete member with compression and flexure, the calculation formula of cracking moment of concrete compressive and flexural member was derived.
根据钢筋混凝土矩形截面压弯构件的基本方程,导出了压弯构件的开裂弯矩表达式,通过计算,给出了开裂弯矩与混凝土强度等级、轴压比和配筋率之间的变化规律,从而得出了具有配筋率和轴压比参数的开裂弯矩计算公式,该公式形式简单,与试验结果符合较好。
3.
The experimental results of 16 haydite concrete one-way slabs show that the cracking moment,ultimate moment,crack width and deflection under service load conditions of the tested slabs meet the requirement of technical specification for lightweight aggregate concrete.
对16块陶粒混凝土单向板进行试验研究,板的开裂弯矩、极限弯矩、正常使用条件下的裂缝宽度和挠度符合国家行业标准的技术要求。
5) crack-resistant moment
开裂弯矩
1.
Based upon the tests on 12 steel fiber reinforced high-strength concrete beams with reinforcements,the effect of steel fiber on the normal cross sectional crack-resistant moment of steel fiber reinforced high-strength concrete beams is analysed.
实验结果表明,钢纤维的加入提高了钢筋高强混凝土梁的正截面开裂弯矩,并随着钢纤维体积率的增加呈增长的趋势,增加幅度在40%~100%之间;纵向钢筋配筋率、梁的高度以及钢筋的强度等级对钢筋高强混凝土梁的开裂弯矩也有影响;开裂弯矩随纵筋配筋率的增大以及随截面高度的减小而增大。
6) bending cracking
弯折开裂
1.
Improving idea of preventing bending cracking was made.
本文提出了预防弯折开裂的改进意见。
补充资料：板料折弯机
| |||||||
主要参数内容 | 国际先进 | 国内先进 | 国内一般 | 国内落后 | 评定方法及说明 | ||
（一）板料折弯精度（度） | ±0.5 | ±1 | ±1.5 | ＞±1.5 | 参照GB/T14349-93、ZBJ62006.10-88 | ||
（二）结构性能 | |||||||
采用数控或计算机控制 | 有 | 有 | 无 | 无 | |||
（三）噪声dB（A） | |||||||
公称力630~2500kN 液压 | 82 | 83 | 85 | ＞85 | |||
公称力630~2500kN 机械 | 87 | 88 | 90 | ＞90 | |||
公称力＞2500kN 液压 | 85 | 86 | 88 | ＞88 | |||
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条