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- The feasibility to simulate the initial earth stress of the large underground structure by using the algorithm of dynamic relaxation and system damping in LS-DYNA is investigated. 摘要主要研究使用LS-DYNA的动力松弛算法和系统阻尼算法相结合来求解大型地下结构初始地应力状态的可行性。
- Optimal Displacement Calculation of Float Resistance In Bottom Plate of large Underground Structure (foundation) 大型地下构筑物(基础)底板抗浮位移优化计算
- large underground structure 大型地下结构物
- Construction Technology of Prestressed Concrete Applied to Large Underground Structural Engineering 大型地下结构工程预应力混凝土施工技术的应用
- It is common to encounter the flotage of the underground structure. 因此,如何正确进行抗浮设计就成了我们关注的问题。
- Some rock is too weak to allow the development of large underground cavities. 一些岩石太脆弱了，不允许发展大面积的地下洞穴。
- They are free of turbidity, except in some limestone areas and volcanic areas with high secondary permeability where large underground rivers occur. 它们不至于浑浊、只是在灰岩地区和火山地区具有高的次生渗透性并存在大地下河时除外。
- Military facility for jet fuel transfer from large underground storage tank to aircraft re-fueling hydrant pit. 军用航油运输设施：从地下储油罐到给飞行器加油的现场。
- As the underground structure is complex,so that it is important to forward the complex geoelectricity model. 然而,地下构造是复杂的,因此,对复杂地电模型的正演研究显得更为重要。
- Then a wasteless mining design for a large underground copper mine is discussed. 介绍了我国有色矿山实现无废开采的途径以及某一大型矿山的无废开采设计。
- However, when the underground structure is too steep or the structure is complex, the true value of statics cannot be calculated by this method. 通过理论上的推导和试验，发现通过改进其计算公式，可以使该方法应用到复杂地下构造地情况下。
- The relationship between burial depth and seismic behavior of underground structure in non-liquefiable soils was also investigated for comparison. 结果表明，埋深的增加可以减少地铁地下结构由于土体液化所导致的结构上浮；
- The safety monitoring is necessary for large underground cavern construction in the hydropower and transportation projects. 摘要水电、交通建设中，大型地下洞室的建设很多，规模越来越大。
- This paper has dealt with the seismic reflection tomography, which is based on Fermat's principleand, using the pre - stack data, inverts the underground structure layer by layer. 本文提出的地震反射层析成像方法，基于射线原理，应用叠前反射波的走时资料，逐层反演地下介质结构。
- The Microtremor Survey Method use Microtremor observation to distill surface wave, obtain it's dispersion curve and then get inversion to the underground structure. 微动勘探法是通过在野外设置一个观测台阵记录微动信号,然后从观测到的微动信号中提取面波,得到面波的频散曲线,最后用频散曲线反演地质结构。
- Gaoyang Iron Mine is a large underground mine with typic complex hydrogeologic conditions and there were many water inrush accidents in construction and mining. 高阳铁矿是一个较为典型的水文地质条件复杂的大水型地下铁矿山,在建设和开采中发生多次涌水事故。
- FANG Qin,QIAN Qi-hu.Dynamic interaction between stress waves and underground structure with crushable backpacking[J].Explosion and Shock Waves,1988,8(4):289-298. [4]方秦;钱七虎.;应力波与带软衬垫的地下结构动力相互作用[J]
- Until the start of the Deng Xiaoping reforms in 1978, Guangdong was an economic backwater, although a large underground, service-based economy has always existed. 广东省的服务性经济有着悠久的历史，但直到1978年邓小平实行经济改革之前，这种经济模式一直停滞不前。
- Below Corsham in rural Wiltshire lies the largest underground bunker in the UK. 在威尔特郡科舍姆地下存在着是全英最大的地下避难所。
- These products have been applied extensively to building wall,underground structure,cultural relic protection,steel structure,chemical industry equipment,war industry,watercraft etc. 圣古涂料工程有限公司现在各类技术人员113人，其中教授高工1人，博士6人，硕士12人。
