Discussion on the construction technology of prestressed anchor cable to reinforce high slope

2020 ◽  
Vol 2 (1) ◽  
pp. 1-6 ◽  
Author(s):  
Zhou Hongwei
Keyword(s):  
Construction Technology ◽  
High Slope ◽  
Anchor Cable ◽  
Prestressed Anchor

Construction Technology Research on Revolving Conical Pullout Anchor

2016 ◽  
Vol 858 ◽  
pp. 10-14
Author(s):  
Jun Chao Ma ◽  
Cheng Bin Yang ◽  
Hong Ming Yu
Keyword(s):  
Reference Values ◽  
Fine Aggregate ◽  
Construction Technology ◽  
Technology Research ◽  
Pullout Capacity ◽  
Aggregate Concrete ◽  
Construction Period ◽  
Anchor Cable ◽  
Drilling Pipe ◽  
Prestressed Anchor

To solve the anti-float problems of underground buildings (structures) more economically, environmentally and effectively. The paper putted forward a construction technology of revolving conical pullout anchors based on researching and improving to the traditional pullout measures. That was a method that the conical anchor head was installed on the drilling pipe and screwed into the stable soil under the influence of drilling pipe. When pulling the drilling pipe, the fine aggregate concrete were poured into the edge. Furthermore, prestressed anchor cable should be strained which connected with the anchor head to keep a good connect with the beam so that it could improve pullout capacity. The conundrums of long construction period and high cost had effectively solved. This technique also had provided great reference values for the congener construction.

Study on Evaluation of High Slope Stability and Countermeasures Based on GEO-SLOPE

2014 ◽  
Vol 988 ◽  
pp. 371-376
Author(s):  
Nian Qin Wang ◽  
Qing Tao Wang ◽  
Qi Pang ◽  
Qian Xue
Keyword(s):  
Slope Stability ◽  
Limit Equilibrium ◽  
Optimization Analysis ◽  
High Slope ◽  
Stability Coefficient ◽  
Anchor Cable ◽  
Before And After ◽  
The Stability ◽  
Reinforcement Measures

Based on the theory of limit equilibrium, by the GEO-SLOPE software,analyzed the stability before and after reinforcement of a high Loess-bedrock slope. The results and conclusions show: (1)Analyzed and Optimized the high Loess-bedrock slope through SLOPE/W module, optimizing the engineering quantity of the anchor cable frame in the local and saving the investment; (2)When taken reinforcement measures, conducted the SLOPE/W model again, the stability coefficient is 1.459, the effect testified by projects is obvious; (3)Aiming at the optimization analysis, proposed countermeasures system, with reference for reinforcement of a high Loess-bedrock slope.

scholarly journals Experimental Study on Load-Displacement Relationship of Prestressed Cable in Red Clay Stratum

2018 ◽  
Vol 38 ◽  
pp. 03007
Author(s):  
Yong Xing Ji ◽  
Yuan Jie Xiang ◽  
Xiao Yong Zhao
Keyword(s):  
Damage Index ◽  
Theoretical Models ◽  
Exponential Model ◽  
Red Clay ◽  
Anchor Cable ◽  
Pull Out ◽  
S Curve ◽  
Plastic Displacement ◽  
Relationship Of ◽  
Prestressed Anchor

The P-S curves of prestressed anchor cable are obtained by field pull-out tests in the red-clay stratum in Guiyang area. The P-S curves of different theoretical models are discussed base on the theoretical analysis. The elastic and plastic displacement of prestressed anchor cable are analyzed. The results shows that, the anchoring effect are mainly effected by the red-clay mechanic properties in the red-clay stratum; the P-S curve of anchor bolt can be fitted well by the exponential model and conformed to the actual; the plastic displacement is used to anchor’s damage index are more truthfulness in the red-clay stratum.

scholarly journals Reinforcement Mechanism and Optimisation of Reinforcement Approach of a High and Steep Slope Using Prestressed Anchor Cables

2019 ◽  
Vol 10 (1) ◽  
pp. 266
Author(s):  
Jian Li ◽  
Shanxiong Chen ◽  
Fei Yu ◽  
Lingfa Jiang
Keyword(s):  
Calculation Model ◽  
Steep Slope ◽  
Reinforcement Effect ◽  
Reinforcement Mechanism ◽  
Anchor Cable ◽  
Design Requirements ◽  
Prestressed Anchor ◽  
Upper Third ◽  
High And Steep Slope ◽  
Different Parts

Using prestressed anchor cables is one of the most common approaches for reinforcing slopes. By establishing a calculation model for a high and steep slope, the changes of displacement of slope foot and increment of force on the cables under different prestresses were calculated. Furthermore, the influence of prestress on the changes of displacement of slope foot and force on the cables was analysed. By analysing the changes in force on cables in different parts of the slope, the reinforcement mechanism of a prestressed anchor cable on the slope was attained. The result showed that the reinforcement effect of prestressed anchor cable on the slope was mainly attributed to it effectively restricting the displacement of sliding mass in the slope, while the effect of cables in the lower part of the slope was more significant than that of those in the upper part of the slope. Therefore, to reduce the number of cables, decrease the construction difficulty of cables and save money, it is feasible to remove cables in the range of the upper-third of the slope. Afterwards, by improving the cable prestress in the range of the lower-third and reducing the cable prestress in the middle, the safety factor of the slope can satisfy design requirements, thus reinforcing the slope.

Experimental Study on the Offshore Positioning and Installing of Large Caisson

2014 ◽  
Vol 580-583 ◽  
pp. 2129-2133
Author(s):  
Xuan Jun Huang ◽  
Wen Zhong Zhang ◽  
Bing Jiang ◽  
Ying Xue Lv
Keyword(s):  
Experimental Study ◽  
Traditional Method ◽  
Mooring Line ◽  
Construction Technology ◽  
Flow Conditions ◽  
Cable System ◽  
Line System ◽  
Engineering Construction ◽  
Anchor Cable ◽  
Floating Crane

The traditional method of the offshore caisson positioning and installing is using the barge or floating crane, but for the large caisson with 26,000 tons, the method is unable to achieve apparently. In this paper, the offshore location and installation of the large caisson with mooring line system and anchor cable system are studied. The research gets the wave and flow conditions results as well as the related and advertent items, which provide the reference for large caisson positioning and installation as well as the similar engineering construction technology.

Analysis on Stability of Dongchuan Landslide and the Comprehensive Management Measure

2012 ◽  
Vol 557-559 ◽  
pp. 366-370 ◽  
Author(s):  
Jiang Tao Xia ◽  
Cheng Zhong Yang ◽  
Shu Fang Wang
Keyword(s):  
Stability Analysis ◽  
Comprehensive Management ◽  
Anchor Cable ◽  
Surface Drainage ◽  
Management Measure ◽  
Engineering Measures ◽  
Lattice Beam ◽  
The Stability ◽  
Prestressed Anchor

Based on the investigation and analysis of the causes of Dongchuan landslide, as well as on the stability analysis of Dongchuan landslide No. 1 and No. 2,it was presented by use of surface drainage, anchor pile, prestressed anchor cable lattice beam and other engineering measures on Dongchuan landslide to conduct comprehensive management. The deformations of treatment landslide were monitored and analyzed. The monitoring results show: the greatest deformation of the landslide is 8mm and the slope is a basically stable. Therefore, combined anchor piles, prestressed anchor cable lattice beam with drainage can well manage landslid

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