The corroded expansion of grouted bolt often leads to the failure of slope anchor structure in underground special environment.
针对埋设在地下特殊环境条件下全长粘结式灌浆锚杆存在因锈胀致裂,导致结构失效的实际情况,以弹性理论为基础,根据锚杆、灌浆材料以及围岩体三者之间变形协调关系、荷载平衡条件,研究了锚杆锈胀导致灌浆或岩体开裂,进而加速锚杆锈蚀破坏的机制问题,讨论了锚杆锈胀量、灌浆材料特性、保护层厚度以及围岩体力学性质对锚杆锈胀力的影响。
The numerical model of the grouted bolt used in the computation is described.
本文采用一种特殊的岩体灌浆锚杆有限元数值模拟方法,并结合水布垭枢纽工程,对其地下厂房2#机组剖面进行了二维非线性有限元分析,主要研究了主厂房洞室开挖过程中及开挖完成后围岩的应力状态、位移值以及塑性区分布范围,重点分析了喷锚支护措施的加固效果。
An analysis of anti-pulling mechanism was discussed on the base of the shear stress-displacement characteristics between grouted bolt-the soil layer.
针对锚杆-土层间的剪应力-位移特点,深入分析了灌浆锚杆抗拔机理。
APPLICATION OF SECOND HIGH PRESSURE GROUTING SOIL ANCHER IN FOUDATION PIT DEFORMATION CONTROL
二次高压灌浆锚杆在基坑变形中的应用
Analysis of Bearing Characteristics Anti-Pull for Grouted Bolt Based on Kezdi's Double-Broken-Line Model
基于佐藤悟双折线模型的灌浆锚杆抗拔承载特性分析
grout anchored deformed bar
灌浆锚定的螺纹钢杆
Research of Stablization of Cut Slope by Anchor Bolts Grouting and 3 Dimensions Simulating Animation Process;
岩土边坡锚杆灌浆加固的研究与三维可视化模拟过程
resin roof bolting
灌注树脂固定锚杆法
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
Experimental Study on High Early Strength Cementing Material for Prestressed Anchorage
高早强预应力锚固灌浆材料试验研究
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
Experimental Study of Early Strong Grouting and Mechanism Analysis for Prestress Anchor;
预应力锚杆早强型水泥浆液试验研究与锚固机理分析
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
Application and Practice of Prestressing Anchor Grouting Technology in Fractured Ground
破碎地层预应力锚索灌浆技术的应用与实践
The Mechanism Studies of Effect on Base Hole by Anchor Grouting;
锚杆注浆对基坑支护体系作用的机理研究
Experimental Study on Durability of Bolt under Sulfate Attack
硫酸盐作用下砂浆锚杆耐久性试验研究
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
Experimental data analysis and modeling study of bond-slip relationship between the bolt and cement-mortar
锚杆砂浆粘结-滑移关系的试验拟合分析与模拟
Probe into the Application of Self-advancing Hollow Grouting Anchor in the Hydrous Rockmass
自进式中空注浆锚杆在含水岩体中的应用
Application of new cable grouting in the roadway within soft rock
新型中空注浆锚杆在软煤岩巷道支护中的应用
The application of pressed grouting bolt in the project segment support lining
压力注浆锚杆在某工程管片支护衬砌中的应用
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