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Qiong Yu, Jiaqiu Sun, Zhiyuan Xu, Lingzhi Li, Zhi Zhang and Shaole Yu
The grouted sleeve lapping connector reported in this work, which is featured by a large sleeve inner diameter and low production cost, can be used to connect the components in precast concrete structures, such as a precast column and shear wall.
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Mohamed Elsayed, Moncef L. Nehdi and Faouzi Ghrib
Grouted dowel connections are used extensively in precast load bearing walls owing to their simple construction and forgiving tolerances. Current design guidelines do not adequately consider the composite nature of such connections. Moreover, robust nume...
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Zhiqiang Wang, Chengjun Wu, Hongya Qu and Wei Xiao
In this study, finite element analysis (FEA) has been conducted for an improved grouted corrugated duct (GCD) connection design with a reserved recess in bridge footing. This study aims to understand the damage progression mechanism and to evaluate the c...
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Ali Marjan and Phil Hart
The lifetime of offshore foundations is governed by a combination of harsh environmental conditions and complex service loads. The fatigue limit state (FLS) analysis needs to be performed in the time domain to capture the complex phenomenon. This study a...
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Abbas Solouki, Piergiorgio Tataranni and Cesare Sangiorgi
Considering the future shortage of natural aggregates, various researchers have promoted the recycling of by-products into various asphalt pavement types. This paper promoted a double-recycling technique, where thermally treated waste silt was used as a ...
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Zhihui Wan, Heng Liu, Feng Zhou and Guoliang Dai
Post-grouted piles, as a foundation form for large-span and large-scale structures on calcareous sand, are expected to provide a high bearing capacity, but research on the response of post-grouted piles subjected to axial load in calcareous sand is still...
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Mingnian Wang, Xiao Zhang, Jianjun Tong, Wenhao Yi, Zhilong Wang and Dagang Liu
The proposed model can be employed as a useful tool in the preliminary
design and stability analysis of a tunnel reinforced by fully grouted passive bolts.
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Weiqiu Zhong, Wuxu Li, Tao Yang, Deming Liu and Lintao Li
The bearing capacity of the grouted connections is investigated through the model test and numerical simulation with two rates (low and high) and four kinds of specimens: shorter without shear keys, shorter with shear keys, longer with shear keys, and co...
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Moritz Kreyenschulte and Holger Schüttrumpf
One of the most common revetment types in Germany is the mortar-grouted riprap revetment (MGRR), which is constructed by placing riprap on a filter or separation layer and subsequent grouting with mortar. Existing technical standards and guidelines for M...
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Kai Fang, Tongbin Zhao, Yunliang Tan and Yue Qiu
Post-pressure grouting is an effective method to improve bearing capacity of ordinary bored cast-in-situ piles. The migration of the grout along the pile side is regarded as an important mechanism responsible for the improvement of the pile capacity. Res...
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Chengyong Cao, Chenghua Shi and Mingfeng Lei
This paper presents a simplified methodology for the design of jet-grouted bottom sealing barriers (temporary water-tightness structures) for deep excavations that was undertaken in deep aquifers. The bottom sealing barriers are usually required to preve...
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Bin Chi, Xu Yang, Fenglai Wang, Zhiming Zhang and Yuhu Quan
In recent years, traditional masonry structures have been widely used in rural areas of China. However, they were found to have a poor seismic performance during earthquakes. In this study, a new prestressing technology was proposed and described in deta...
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Kieran Shawn Moore and Nicholas Vlachopoulos
This research highlights the implementation of a novel sensing approach allowing for geomechanics insights in rock bolt performance and behaviour; recent advancements in the technique are also presented.
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Zhongling Wang, Xiaohong Zheng, Qiqi Wang and Qian Wang
Ultra-high-performance concrete (UHPC)-filled duct connection is an innovative solution for joining assembled structures, in which the anchorage performance of the rebar and UHPC filled in bellows plays a critical role in determining the overall connecti...
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Qiong Yu, Peiyan Tang, Ziming Tang, Xingkui Zhang, Baoxiu Fan, Zhi Zhang and Zhenhai Chen
The grouted sleeve lapping connector proposed in this work has many advantages, including low cost, ease of construction, simple grout compaction, and a large diameter of the sleeve, and it can be used in precast concrete structures for resisting earthqu...
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Siqi Wang, Jinsheng Du and Han Su
Damage in grouted joints is an unavoidable early disease in adjacent box beam bridges and hollow-core slab bridges. Joint damage will lead to degradation of the transverse load transmission capacity of the bridge, causing beams of the bridge superstructu...
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Xianyang Yu, Jinhao Xie, Yanju Wu, Qiuhong Wu, Zizheng Zhang and Hai Wu
A dynamic numerical method is established to simulate the stability of the surrounding rocks of the retained roadway in FLAC3D, along with a double-yield constitutive model to simulate the re-compaction process of gangue and a strain-softening constituti...
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Yinfeng Tang, Donghai Jiang, Tongxu Wang, Hengjie Luan, Jiangwei Liu and Sunhao Zhang
In order to study the local deformation of an anchor bolt and the improvement in the shear strength of a structural surface under the misalignment of an anchorage structure surface, FLAC3D software was used to simulate granite, sandstone, and coal specim...
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Linfei Zhang, Qingwen Ren, Lei Shen, Wenyan Lu, Mei Tao and Jiafeng Gu
The 300 m-level high arch dams built in China have different degrees of valley-narrowing deformation in the initial impoundment. This unexpected phenomenon may increase the long-term safety risk of high arch dams. There are several explanations for the v...
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Dong Yang, Quancheng Wang, Zhaoqun Jiang and Dongxu Yang
Conventional mortar cemented anchors cannot meet the needs for landslide emergency management, as they can withstand loads only after mortar curing for 14?28 days. This study developed a multi-segment expanded anchor (MSEA) that expands using a sliding m...
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