Based on first-order optimization calculating theory, authors established the optimal finite element model of swivel construction of arch bridge adopting hydraulic sync elevation technology.
根据一阶最优化计算理论，构建了采用液压同步提升技术进行转体施工拱桥的优化有限元模型。
This technology can promote the application of VR in the construction, realizing the whole process virtualization and decision-making optimization of the construction.
该技术可加速提升VR技术在建筑施工项目中的应用及其程度，实现建筑施工全程虚拟和决策优化。
It is recommended that the optimization of hull construction technology should be taken into account at the optimization design stage of ship.
本文提出在船型优化设计时就应考虑建造工艺的优化。
The paper discussed common problems of pipe roof support engineering in soft ground and presented the optimization technology by tests on borehole construction methods with existing equipments.
在软弱土层管棚支护工程中，利用现有设备试验了多种成孔方法，优选出最佳成孔法，加快了工程进度。
The paper discussed common problems of pipe roof support engineering in soft ground and presented the optimization technology by tests on borehole construction methods with existing equipments.
在软弱土层管棚支护工程中，利用现有设备试验了多种成孔方法，优选出最佳成孔法，加快了工程进度。
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