1) dynamic construction mechanics
动态施工力学
1.
Due to the four-lane highway tunnel having super-span and flat-section,together with the influence of different processes and the multiple disturbance of surrounding rock in period of construction,the dynamic construction mechanics of tunnel is extremely complicated,the surrounding rock is very easy to lose stability and collapse occurs.
四车道公路隧道由于跨度特大和断面扁平,加上施工期间各道工序的相互影响、围岩的多次扰动等诸多因素,导致施工过程中的动态施工力学行为极为复杂,围岩极易发生失稳乃至坍塌。
2.
Due to complication of the structure of such tunnel, usually, empirical comparative method was used for their design and construction in combination with dynamic construction mechanics analysis by FEA; then, the design is revised on monitoring of in-situ construction work for guiding the construction.
随着山区高速公路的飞速发展,不少连拱隧道已经或正在修建,但由于该种隧道结构的复杂性,其设计施工往往采用经验类比方法,并结合应用有限元进行动态施工力学分析,再通过现场施工的监控量测成果修改设计,指导施工。
3.
The study on dynamic construction mechanics was carried out based on the objective function by plastic zone endued with coefficient at different position of the tunnel in this pap.
提出根据联拱隧道不同部位重要性及破坏的容易程度赋予相应的权重,再结合不同施工工序形成的隧道围岩体塑性区大小作为收益函数进行"动态施工力学"的研究,具有较高的可靠性和借鉴意义。
2) dynamic construction mechanics for rackmass
岩体动态施工力学
3) Dynamic construction
动态施工
1.
An analytic study of stress and displacement during dynamic construction is conducted on the immerged underground tunnel.
针对深埋地下洞室,寻求洞室动态施工中围岩应力及位移场的解析解。
2.
Based on deep foundation excavation case,this paper introduces the application of monitor and dynamic construction technology in soft soil foundation pit with internal bracing system, and it has important meaning to restrict the strain, to improve the safety of the excavation and to protect the surrounding environment.
本文将结合工程实例,阐述监测与动态施工技术在内撑式软土基坑工程中的应用,及其对于控制基坑变形,提高基坑开挖的安全及对周围环境保护的重要意义。
3.
Based on the project of expressway tunnel in Zhejiang Province,the entire dynamic construction process of the tunnel is simulated by 3-dimention finite element method with MARC software.
以浙江上三线高速公路隧道为工程背景 ,应用大型有限元软件MARC对洞口段隧道进行动态施工全过程三维有限元模拟 。
4) staged construction
动态施工
1.
Back analysis on staged construction in transversely isotropic viscoelastic soil and its application to geotechnical engineering;
考虑动态施工过程的岩土介质横观各向同性粘弹性反分析及其工程应用
2.
Marc 3-D software,which induced by the tunnel staged construction and the traffic loading during the working period.
Marc三维有限元分析软件,模拟了隧道分区分层动态施工和运营期行车荷载对紧邻高架桥的影响,重点分析了扩大基础基底反力增量、基底中心沉降、扩大基础倾斜和基坑侧向位移的发展规律。
3.
The staged construction mechanics of the steel sheet pile retaining structure for a cofferdam project are numerically simulated using 3D FEM incremental computing method.
应用三维有限元分析,采用增量计算方法,对某围堰工程承台钢板桩围护结构进行了动态施工力学的三维数值模拟。
6) construction mechanics
施工力学
1.
The construction mechanics of anchor bar prestressing in pitsupporting structure of row of piles;
排桩预应力支护结构中锚筋预应力的施工力学
2.
Neural algorithm of construction mechanics;
神经算法在施工力学中的应用
3.
Study on the Construction Mechanics and Scheme Optimization of Underground Interchange Tunnel;
互通式地下立交隧道施工力学研究及方案优化
补充资料：动态力学分析
分子式：
CAS号：
性质：利用动态力学试验求取材料在周期性外力作用下的模量和损耗，并把模量和损耗作为温度、频率或时间的函数来考察材料的黏弹性能的方法。对试样施加随时间交变的应力或应变，求取作为温度、频率或时间函数关系的模量和损耗的关系曲线，以研究材料的黏弹行为，这就是动态力学分析的主要内容。其中，模量和损耗与时间的关系曲线，即是动态力学分析时间分布曲线。这里最常用的加载形式为强迫振动式的扭摆法、扭辫法、振簧法、三点式弯曲法等。
CAS号：
性质：利用动态力学试验求取材料在周期性外力作用下的模量和损耗，并把模量和损耗作为温度、频率或时间的函数来考察材料的黏弹性能的方法。对试样施加随时间交变的应力或应变，求取作为温度、频率或时间函数关系的模量和损耗的关系曲线，以研究材料的黏弹行为，这就是动态力学分析的主要内容。其中，模量和损耗与时间的关系曲线，即是动态力学分析时间分布曲线。这里最常用的加载形式为强迫振动式的扭摆法、扭辫法、振簧法、三点式弯曲法等。
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