裂缝

According to the phenomenon of easy occurence of crack in the ferroconcrete cast-in-Place floor, this paper reveals the reasons of occurence of crack in seven respects such as construction vibrating and trowel finish for calendering.

作者：孙云峰周建伟孙忠国中国论文联盟针对混凝土现浇板易产生裂缝这一现象，本文从施工振捣、抹面压光等7个方面揭示了裂缝生成的原因，并提出了从原材料进

Based on the Hamiltonian governing equations of plane elasticity for sectorial domain, the variable separation and eigenfunction expansion techniques are employed to develop a novel analytical finite element for the fictitious crack propagation linear force model in fracture mechanics of concrete in this paper.

利用平面扇形域哈密顿体系的方程，通过分离变量法及共轭辛本征函数向量展开法，以解析的方法推导出基于混凝土虚拟裂缝扩展线性粘聚力模型的平面裂缝解析元列式。

Based on the results of previous studies concluded on the basis of summing up the cracks in the reservoir area characteristics, and boldly against the cracks in the northwest edge of Qaidam Basin, the reservoir development process, the right of oil in the practical application of the You quan zi oil field winding Screen End Well Technology and small acidification of Technology, to take the good results.

本文在参考前人研究成果的基础上，总结了本区储油裂缝的特征，并大胆提出针对柴西北缘裂缝油躲的开发工艺，在油泉子油田实际应用了海带缠绕筛管完井工艺和小型酸化工艺等工艺技术，取到了良好效果。

In this paper,based on the analysis of basic features of ground fissures in Xi an ,the numerical simulation of ground fissures in Xi an is made by using two dimensional finite element method.

本文在分析总结西安地裂缝基本特征的基础上，采用二维有限元法，对西安地裂缝进行了数值模拟。

This paper discusses reason of fissure in concrete,fissure treatment technology,and corresponding

本文论述了混凝土裂缝产生的原因、裂缝治理技术及相应的施工工艺，并介绍了在三峡等工程的应用情况。

Combined with the engineering practice, the article analyzes in detail the cause forming the crack on the fly ash aerated concrete block wall , and puts forward the technical measures to solve the cracks on the wall.

该文结合工程实例，详细分析了粉煤灰加气混凝土砌块墙体裂缝形成的原因，提出了解决墙体裂缝的技术措施。

During evaluation of fractured reservoir,the identification of fracture is one of the key technologies.

裂缝预测识别是裂缝性储层评价的关键技术之一。

The method is used to model full-wave field in anisotropic layered medium with a blg fracture.

采用本文方法对一含较大裂缝的各向异性分层地质模型进行全波场模拟，计算所得地震剖面可以明显地反映裂缝对波传播的影响，说明该方法完全适用于各向异性介质的地震波勘探。

Ground fracture is one kind of geological calamity of ground surface deformation. It is of important significance to the development of the work of disaster prevention and reduction that analyzing and studying the mechanism and the development rule of the ground fracture, grasping its moving trend.

地裂缝是地质灾害中地面变形灾害之一种，分析和研究地裂缝成因机制及发生发展规律，掌握其活动与发展趋势，对防灾减灾工作的开展有重要的指导意义。

The generation materials of the reservoirs in Luo151 igneous oil pools consist of Intergranular micropore hornfels, condensate blowhole-solution void diabase condensate edge, the edge and center of the condensate seam diabase, of which are divided into horizontal, vertical and reticulated cracks according fracture occurrence.

研究区火成岩油藏储集层成因类型可分为晶间微孔隙角岩、冷凝气孔-溶蚀孔辉绿岩冷凝边、冷凝缝辉绿岩体边缘及中心带，其中冷凝缝辉绿岩带根据裂缝产状可以进一步分为水平、垂直和网状裂缝等类型。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。