Moreover, such techniques as divided charge, zoning blasting,reasonably choosing explosives and hole-blocking,which could efficiently reduce blasting cost are also proposed.
文中就黑宝山露天煤矿如何降低爆破成本进行了探讨,提出采取分段装药与分区爆破技术、合理选择炸药与炮孔堵塞技术等措施,可以有效控制爆破成本,降低爆破费用。
7 low copper and high sulphur refractory ore in Chengmenshan Copper Mine,it states that the satisfied selective index can be got by parameter optimization and stage agent addition.
对城门山铜矿7#矿体低铜高硫难选矿石选矿工艺进行系统的参数优化试验研究,研究结果表明,此类矿石通过优化工艺参数以及分段加药能够得到较好的选别指标。
Steel tubular arch bridge has a large stiffness in the finished dead state, but in the construction stage, especially at the stage of cable segmental hoisting, its stiffness is very small, and changes with construction.
钢管混凝土拱桥在成桥状态下刚度比较大,但是在施工阶段,尤其是采用缆索分段吊装施工时,刚度较小,而且随施工阶段不断变化。
Determination study of assembly units for block assembly in shipbuilding;
船体分段装配单元决策研究
In view of the lower automatic level of block assembly process design, that will negatively influence construction period and quality in shipbuilding, a computer aided process planning (CAPP) system newly developed is presented in the paper.
针对船体装配工艺设计自动化程度低,影响船舶建造周期和质量问题,设计了分段装配计算机辅助工艺规划(CAPP)系统,重点研究了基于实例推理(CBR)方法的装配顺序规划中的关键技术,包括分段装配信息模型、实例组织的索引结构、面向对象的实例表示、推理过程中的实例相似度计算方法以及基于遗传算法的装配顺序匹配等内容。
The hull block assembly plays a significant role in the process of shipbuilding, and block assembly sequence planning (ASP) has direct effect on building efficiency of the hull.
船体分段装配在船体的建造过程中有着举足轻重的地位,船体分段装配序列规划的好坏直接影响到船体的建造效率。
Study and Application of Lifting Segment by Segment Technology for Large Span Steel Grid-frame;
大跨度钢网架结构分段吊装技术的研究与应用
Study and Application of Fabricating and Lifting Segment by Segment Technology for Large Span Steel Box Beam;
大跨度钢箱梁的制作与分段吊装技术研究与应用
Finite Element Analysis on Strength of Bulk Carrier Bow Block in Integral Assembly
散货船船首总段整体吊装强度有限元分析
Lifting and Installation of Steel Box Girder at Pylon and Girder Section of Edong Changjiang River Bridge
鄂东长江大桥塔梁段钢箱梁吊装施工
double whip system
分钩装卸法(一根吊货杆将货由岸吊到甲板
Slab CCM segment suspension system design
板坯连铸机扇形段吊装更换系统的设计
The Study of Cable Force Optimization and Arch Stability in the Erection of Arch Ribs;
拱段吊装过程中的索力优化及拱肋稳定性研究
Construction Control of Long Span Suspension Bridges During Erecting Stiffening Girders
大跨悬索桥加劲梁吊装阶段的施工控制
Installation and mounting: Ceiling installation or supended to ceiling with chain or line.
安装方式：吊装式或吸顶式，吊杆，吊链。
Cause Analysis and Treatment of 600 MW Units Reheat Pipe Hanger Curving
600 MW机组热段管道支吊架变形原因分析及处理
Cable installation for reinforced concrete box arch bridge of Liuguihe large Bridge
六圭河大桥钢筋混凝土箱形拱桥多节段缆索吊拼装施工技术
hind quarter rail dropper
在吊轨上锯下胴体后面四分之一的装置
Simulation Calculation of Arch Rib Hanging Construction and Aseismic Analysis of Large Span Arch Bridges;
大跨度拱桥拱肋吊装仿真计算与抗震分析
Analysis of Temporary Bracket under Construction of Steel Box Girder Hoisting in Sutong Bridge;
苏通大桥钢箱梁吊装临时支架结构分析
On the Method of Computer--Aided Calculating and Analyzing in the Process of Hoisting and Installation;
推举法吊装的计算机模拟和分析方法的研究
Finite Element Analysis on Bearing System of Heavy-Duty Gas Turbine;
重型燃气轮机吊装和承载系统的有限元分析
On the Production and Hoisting of Heavy Precasting Posts;
关于重型预制柱的制作与吊装部分问题探讨
Analysis and Investigation of Thermal Power Plant Deaerator Lifting Project
火力发电厂除氧器设备吊装项目分析研究