The horizontal stiffness coefficient values of rock anchor under different conditions are obtained through using numerical method to simulate the pullout test of the fully-grouted rock anchor.
采用数值方法,模拟全粘结岩石锚杆的拉拔试验,求得不同条件下的岩石锚杆水平刚度系数,最后经曲线拟合和参数分析,推导出岩石锚杆水平刚度系数的计算公式。
In the structure design of the people s Stadium of Dalian City, the rock anchor foundation is adopted to solve the problem about permanent anti-floating stability in the big size underground construction according to the local conditions.
大连市人民体育场结构设计中因地制宜采用岩石锚杆基础 ,较好地解决了大型地下工程永久使用中的抗浮整体稳定问题。
By discussing on the differeces of design for rock anchorage bar between in China and abroad,it is concluded that the different designing results from the dissimilarity of detecting means.
通过对国内外学者在岩石锚杆设计上存在的差异的探讨 ,认为检测手段的差异是产生认识差异的主要原因 。
Researches on pull-out capacity calculating method of rock bolt foundation
岩石锚杆基础抗拔承载力计算方法探究
The experiment and application studies of rock bolt foundation in North China area in 2005 indicated that it is feasible to use rock bolt foundation in North China s strong weathered rock foundations.
2005年在华北地区的岩石锚杆基础试验与应用研究表明,在华北地区典型的强风化岩石地基中,采用岩石锚杆基础是可行的。
Based on the experiment study project of rock bolt foundation in North China and its application in Hun-BaLine and Shang-Chen Line construction, this paper discusses technique of rock bolt foundation construction in strong and medium weathered rocks, such as granite, gneiss and limestone.
岩石锚杆基础是以细石混凝土和锚杆灌注于钻凿成型的岩孔内的锚杆基础。
Due to the limitation of the numerical models of rock bolt by finite element method(FEM) in geotechnical engineering at present,the arbitrary orientation rock bolt model is put forward.
针对目前岩土工程中锚杆数值模型存在的局限性,提出了任意岩石锚杆的计算模型,该模型能考虑任意方向穿过岩体单元的锚杆,且岩体单元的划分不需要考虑锚杆的具体位置,锚杆信息可由已形成的岩体单元信息自动生成,可以适应岩石边坡、复杂地下结构支护分析以及加锚参数优化设计。
The Reinforcement Mechanics of Fully Grouted Rock Bolt in Underground Engineering;
地下工程中注浆岩石锚杆锚固机理研究
The Study and Application of "Planting-bar" Anti-floating Rock Bolt
“植筋式”抗浮岩石锚杆研究与应用
Modeling Experimental Study on Anchoring Capability of New Type of Anchorage Substance in Anti-floating Rock Bolts
抗浮岩石锚杆新型锚固剂锚固性能的模型试验研究
Study on the Reinforcement Mechanism of Fully Grouted Rock Bolt Considering the Interaction between Bolt and Wallrock Mass
全长注浆岩石锚杆与围岩体相互作用下的锚固机理研究
Analyzing and studying factors for determining neutral point position of fully grouted rock bolt
全长注浆岩石锚杆中性点影响因素分析研究
Researches on pull-out capacity calculating method of rock bolt foundation
岩石锚杆基础抗拔承载力计算方法探究
Issues on Application of Rock Bolt Foundation in North China
华北地区应用岩石锚杆基础的几个问题
Studies on the Effects of Rock Bolting and Rock Parameters on the Stress Distribution Around Tunnel;
岩石锚杆和岩石参数对隧道周围应力分布的影响研究
EFFECT ANALYSIS OF INITIAL VERTICAL GEOSTRESS IN SURROUNDING ROCK ON STRESS DISTRIBUTION MODE OF FULLY GROUTED ROCK BOLT IN CIRCULAR TUNNEL
围岩中原始垂直地应力对圆形隧洞全长注浆岩石锚杆应力分布模式的影响分析
The anchor line fouled on a rock.
锚索缠在一块岩石上
The Design of Bolt-rope Support in No.9 Seam Entries
9号煤半煤岩巷道锚杆锚索支护设计浅析
A Study on Anchorage Quality Detection Technology of the Anchor Bar-Surrounding Rock System;
锚杆围岩体系的锚固质量检测技术的研究
Anchoring capacity of tensile rock bolt in ultimate limit state
极限状态下岩体受拉锚杆锚固承载力的计算
On supporting and reinforcing of strengthen anchor arm and bolting sustaining in soft rock lanway
软岩巷道高强锚杆和锚注支护加固机理分析
Numerical Simulation of Rock Bolting in Soft Rock That is Heavily Stressed;
高应力软岩巷道锚杆支护的数值模拟
Study DF the Interaction Among Anti-Slide, Anchor and Earth;
锚杆（索）抗滑桩与岩土体相互作用研究
The Study on Dynamic Parameters Using Back-analysis in the Archor Bar & Surrounding Rock Structure System;
锚杆-围岩结构系统动力参数反演研究
The application for injecting slurry anchor pile in rock dissolve foundation treatment
注浆锚杆桩在岩溶地基处理中的应用
