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Chunyun Shen, Genpei Li, Zhongxu Tian, Chang Chen and You Zhou
The torsional stiffness parameter significantly influences the natural frequency of a leaf spring torsional vibration damper and its proper match with a diesel engine, and the nonlinear characteristics of torsional stiffness avoid reduced reliability due...
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Janat Musayev, Algazy Zhauyt, Sarakul Ismagulova and Saltanat Yussupova
In the interaction of the rolling stock and the upper structure of the railway track, intense dynamic loads occur. They have a destructive effect both on the parts of the rolling stock and on the elements of the superstructure of the track. In order to d...
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Weiwen Luo, Xulei Chen, Mingyang Qin, Kai Guo, Jie Ling, Fengwei Gu and Zhichao Hu
When wide-width sowing wheat after rice stubble (WRS) in a rice-wheat rotation area, there is a problem of poor uniform of seed distribution. To solve the problem, this study designed the seed distribution plate (SDP) structure and optimized its critical...
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Guoqiang Dun, Xingpeng Wu, Xinxin Ji, Wenhui Liu and Ning Mao
In order to solve the problem of uniform and precise fertilizer discharge, based on experimental analysis of the uneven nature of single-screw fertilizer discharge, a double arc groove screw fertilizer discharger was designed based on the principle of th...
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Xiaorui Wang, Xu Liu, Yunhong Lin and Fei Tan
Small curved metro shield tunnels located in fine sand layers are sensitive to the response of horizontal and vertical cyclic loads from train operations, especially for centrifugal horizontal loads. The majority of Zhengzhou?s strata are dominated by th...
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Yang Yang, Fan Wang and Jieshan Liu
This paper analyzes and calculates the mechanical properties of composite tape spring structures during folding and bending and establishes a non-linear control equation for the folding and bending of composite laminate tape spring structures. Accurate e...
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Guisen Wang, Baoning Hong, Xin Liu, Dongning Sun, Zhiwei Shao and Yunlong Yao
While post-grouting is frequently reported to improve the engineering performance of piles, the shear strength of the soil around piles is not well understood. To investigate the strengthening mechanism of soil around piles with permeation grouting, labo...
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Rong Chen, Tong Zhao, Zhiyong Wu, Dongxue Hao, Nan Xue and Chi Yuan
There is often obvious particle breakage for silica sand under high-stress, which will lead to the bearing capacity reduction and excessive settlement of the foundation. This paper focuses on the particle breakage characteristics of marine silica sand fr...
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Sercan Gülci, Hafiz Hulusi Acar, Abdullah E. Akay and Nese Gülci
Road curve attributes can be determined by using Geographic Information System (GIS) to be used in road vehicle traffic safety and planning studies. This study involves analyzing the GIS-based estimation accuracy in the length, radius and the number of s...
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Jijun Tong, Shuai Xu, Fangliang Wang and Pengjia Qi
This paper presents a novel method based on a curve descriptor and projection geometry constrained for vessel matching. First, an LM (Leveberg?Marquardt) algorithm is proposed to optimize the matrix of geometric transformation. Combining with parameter a...
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