1) stepwise development
分步展开
2) stepwise-homo-direction development
分步同向展开
1.
Two solvent systems by stepwise-homo-direction development were used.
采用薄层色谱法,用两种展开剂系统,分步同向展开对样品中的杂质进行检测。
3) Synchronous deploying
同步展开
4) progressively develop
分步发展
5) staged excavation
分步开挖
1.
And the changes of the stress field and bias field of the surrounding rock of the tunnel under two kinds of conditions and with the staged excavation are obtained as well as the stability analysis of the surrounding r.
得到了两种情况下的隧道围岩在分步开挖时的应力场、位移场的变化情况,以及围岩稳定性的分析。
6) excavation by steps
分步开挖
1.
Studies on displacements and earth pressures of pit-retaining structure during excavation by steps;
分步开挖过程中基坑支护结构的变形和土压力性状研究
2.
At the same time,some calculating methods of earth pressures are discussed,such as estimating water and earth pressures together,estimating water and earth pressures separately,excavation by steps according to the construction process,earth pressures c.
根据基坑支护工程的设计计算理论与工程实践的发展与动态,参阅大量相关资料,结合近年的研究成果,对支护结构土压力计算理论的创新与发展进行了分析,并对水土合算、水土分算、考虑施工过程的分步开挖、考虑渗流时的土压力计算方法进行了论述。
3.
Equation of ultimate state of active earth pressure loading increment on retaining wall in foundation pit during excavation by steps is set up;coefficient of sorting of earth pressure loading conforming to the requirement of reliability is given;problems in earth pressure calculation during excavation by steps are analyzed.
以朗金土压力公式为基础，建立了分步开挖基坑挡土墙上主动土压力荷载增量的极限状态方程，给出了符合可靠度要求的土压力荷载的分项系数；分析了分步开挖时土压力计算中应注意的问题，并分析研究了土性参数的变异性与荷载分项系数对土压力可靠度计算的影响。
补充资料：分步展开
分子式：
CAS号：
性质：又称阶段展开。用两种或两种以上不同组成的溶剂系统沿薄层板同一方向先后各自移动一定的距离的展开过程。第二展开溶剂的极性须比第一展开溶剂的极性强，展距大。
CAS号：
性质：又称阶段展开。用两种或两种以上不同组成的溶剂系统沿薄层板同一方向先后各自移动一定的距离的展开过程。第二展开溶剂的极性须比第一展开溶剂的极性强，展距大。
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