您要查找的是不是：
- urban underground structure 城市地下结构
- Urban underground pipeline is the lifeline in a city. 城市地下管线系统是城市的“生命线”。
- 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。
- 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。
- Firstly, summarize the progress in the research of the urban underground space development theory to provide the relevant theoretical support. 首先总结城市地下空间分层开发理论的研究进展，为本文的开展提供相关的理论支持。
- 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 basic purpose of urban underground space development is to strengthen urban functions and to improve urban environments by using underground space. 城市地下空间开发的基本目的是利用地下建筑空间完善城市功能,改善城市环境质量。
- 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；
- During the construction of urban underground engineering ,there are some problems, such as penetrative destruction, dewatering in local, uplift pressure and corrosivity etc. 城市地下工程在其施工过程中常因渗透破坏、降水、浮托力、腐蚀性等问题,严重影响地下工程的建设和周围建筑环境的安全。
- Today, under the advancement of technology and the correlative research, that urban underground space exploiting becomes an advantage of later development. 在技术进步、经济发展的今天，中国大都市地下空间开发利用的后发优势成为可能。
- 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。
- 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 main problems are analyzed in the course of arc hives management of urban underground pipelines based on the characteristics and actualities of urb an underground pipeline. [摘要] 从城市地下管线的特点以及其现状入手，剖 析了城市地下管线档案管理过程中存在的主要问题，提出了加强和改善城市地下管线档 案管理的有效措施。
- HDD) , the main method in Trenchless Technology, has become widely used for urban underground installation of new pipelines with its unique technical advantages. 随着非开挖技术的迅猛发展,水平定向钻进(HDD)技术以其独特的技术优势,在目前城市地下管线铺设工程中起着越来越重要的作用。
- 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。
- 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]
- This paper examines the intermittent progress of urban underground space planning and reasons why it has not become a formalized part of overall city planning for all major cities. 本文回顾了城市地下空间规划时断时续的发展状况，并探讨了为什么它没有能够成为所有主要城市总体规划的一个正式部分。
- And it brings a lot of data of sewage pipe network and appurtenant works.It is very difficult to manage urban underground network (including the sewage pipe network) by handwork method. 在我国绝大多数城市仍采用手工管理的方法来管理城市地下管网(包括污水管网)，其弊端显而易见。
- 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。
- The article analyses negative effects of pretensioning for underground structure on waterproof coated membrane and introduces the way of treatment and quality control measures taken. 分析了地下工程结构预应力张拉对涂膜防水层的负面影响，介绍了采取的有针对性的处理方法以及保证防水施工质量的控制措施。
