GROUT

作品数：56被引量：187H指数：8
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Failure characterization of fully grouted rock bolts under triaxial testing被引量：1
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第3期778-789,共12页Hadi Nourizadeh Ali Mirzaghorbanali Mehdi Serati Elamin Mutaz Kevin McDougall Naj Aziz 
Confining stresses serve as a pivotal determinant in shaping the behavior of grouted rock bolts.Nonetheless,prior investigations have oversimplified the three-dimensional stress state,primarily assuming hydrostatic st...
关键词：Rock bolts Bolt-grout interface Bond strength Push test Triaxial tests 
Mechanical behaviour of fiber-reinforced grout in rock bolt reinforcement
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第2期437-453,共17页Yingchun Li Ammar Ahmed Danqi Li 
Grouted rock bolts subject to axial loading in the field exhibit various failure modes,among which the most predominant one is the bolt-grout interface failure.Thus,mechanical characterization of the grout is essentia...
关键词：Fiber-reinforced grout(FRG) Steel fibers Mechanical properties Direct shear test Pullout test 
Full-scale pullout tests of rock anchors in a limestone quarry focusing on bond failure at the anchor-grout and grout-rock interfaces被引量：3
《Journal of Rock Mechanics and Geotechnical Engineering》2023年第9期2264-2279,共16页Bjarte Grindheim Charlie CLi Are Håvard Høien 
Rock anchors are a common safety measure for stabilising large-scale infrastructure,such as bridge towers,retaining walls,rock slopes and windmills.There are four principal failure modes for rock anchors:(a)tensile fa...
关键词：Rock anchor Load transfer Shear stress distribution Bond shear strength Field test 
Laboratory investigation into effect of bolt profiles on shear behaviors of bolt-grout interface under constant normal stiffness (CNS) conditions被引量：4
《Journal of Rock Mechanics and Geotechnical Engineering》2020年第6期1234-1248,共15页Guojian Cui Chuanqing Zhang Yibin Pan Liang Deng Hui Zhou 
This study is supported by the key projects of the Yalong River Joint Fund of the National Natural Science Foundation of China(Grant No.U1865203);the National Key Research and Development Program of China(Grant Nos.2019YFC0605103,2019YFC0605100);the National Natural Science Foundation of China(Grant No.51279201).The partial support from the Youth Innovation Promotion Association CAS is gratefully acknowledged。
Rock bolts have been widely used for stabilizing rock mass in geotechnical engineering.It is acknowledged that the bolt profiles have a sound influence on the support effect of the rock bolting system.Previous studies...
关键词：Bolt profile Constant normal stiffness(CNS) Shear test Interface failure characteristics Shear behaviors 
Effects of bolt profile and grout mixture on shearing behaviors of bolt-grout interface被引量：6
《Journal of Rock Mechanics and Geotechnical Engineering》2020年第2期242-255,共14页Chuanqing Zhang Guojian Cui Xiangrong Chen Hui Zhou Liang Deng 
supported by the Key Projects of the Yalong River Joint Fund of the National Natural Science Foundation of China(Grant No.U1865203);the National Natural Science Foundation of China(Grant No.51279201);Special project of the National Natural Science Foundation of China(Grant No.41941018);The partial support from the Youth Innovation Promotion Association,Chinese Academy of Sciences。
Shearing behavior and failure mechanism of bolt-grout interface are of great significance for load transfer capacity and design of rock bolting system.In this paper,direct shear tests on bolt-grout interfaces under co...
关键词：Bolt-grout INTERFACE Direct SHEAR test SHEAR behavior Failure mode BOLT profiles 
Laboratory pull-out tests on fully grouted rock bolts and cable bolts:Results and lessons learned被引量：19
《Journal of Rock Mechanics and Geotechnical Engineering》2017年第5期843-855,共13页Isabelle Thenevin Laura Blanco-Martín Faouzi Hadj-Hassen Jacques Schleifer Zbigniew Lubosik Aleksander Wrana 
supported by the European Research Fund for Coal and Steel in the AMSSTED Programme RFCR-CT-2013-00001
Laboratory pull-out tests were conducted on the following rock bolts and cable bolts:steel rebars,smooth steel bars,fiberglass reinforced polymer threaded bolts,flexible cable bolts,IR5/IN special cable bolts and Mini...
关键词：Pull-out test Fully grouted bolts Laboratory-scale Confining pressure Embedment length Bolt-grout interface 
Optimization of cement-based grouts using chemical additives被引量：11
《Journal of Rock Mechanics and Geotechnical Engineering》2017年第4期623-637,共15页Mohammad Reza Azadi Ali Taghichian Ali Taheri 
Grout injection is used for sealing or strengthening the ground in order to prevent water entrance or any failure after excavation.There are many methods of grouting.Permeation grouting is one of the most common types...
关键词：Permeation grouting BLEEDING Setting time Chemical additives Cement-based grout 
Rock engineering design of post-tensioned anchors for dams - A review被引量：8
《Journal of Rock Mechanics and Geotechnical Engineering》2015年第1期1-13,共13页E.T. Brown 
High-capacity, post-tensioned anchors have found wide-spread use, originally in initial dam design and construction, and more recently in the strengthening and rehabilitation of concrete dams to meet modern design and...
关键词：Dam engineering Post-tensioned anchorsRock engineering designGrout-tendon bondRock-grout bondRock mass uplift failure 
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