Results 21 to 30 of about 2,142 (118)

Nonlinear similar design of large slenderness ratio truss boom

Mechanical Engineering Journal, 2017
To solve the problem that lacks systematic product spectrum plan and serialization of design methods and theoretical basis in the design process of crawler crane boom, the main boom is as the research object in this paper.
Xu-yang CAO, Peng WANG, Wen-jun WANG
doaj   +1 more source

Bearing Capacity of Recycled Self-Compacting Concrete-Filled Circular Steel Tubular Long Columns Subjected to Axial Load

Advances in Civil Engineering, 2021
To investigate the ultimate bearing capacity and deformation of the recycled self-compacting concrete-filled circular steel tubular (RSCCFCST) long columns subjected to axial load, nine specimens with different recycled self-compacting concrete (RSCC ...
Feng Yu, Jie Song, Shuangshuang Bu, Jingfeng Wang, Haiying Wan, Wanyu Shen, Wei Huang, Yuan Fang   +7 more
doaj   +1 more source

Axial Compression Behaviours of Pultruded GFRP–Wood Composite Columns

Sensors, 2019
An innovative pultruded fiber reinforced polymer (FRP)⁻wood composite (PFWC) column with a lightweight southern pine wood core confined by outer FRP sheets was manufactured using an improved pultrusion process.
Yujun Qi, Lei Xie, Yu Bai, Weiqing Liu, Hai Fang   +4 more
doaj   +1 more source

Experimental Investigation of Heat-Damaged RC Slender Spiral Columns Repaired with CFRP Rope

Infrastructures
Carbon fiber-reinforced polymer (CFRP) is widely used in construction to extend the service life of building structures through the repair and rehabilitation of reinforced concrete (RC) columns.
Ahmed M. Ashteyat, Ala’ Taleb Obaidat
doaj   +1 more source

Slenderness coefficient of five major tree species in the Hyrcanian forests of Iran [PDF]

تحقیقات جنگل و صنوبر ایران, 2007
Slenderness coefficient of trees, defined as the ratio of total height to diameter at breast  height (DBH), is frequently used as resistance index of trees to wind throw.
Reza Akhavan, Manoochehr Namiranian
doaj  

Strength and Deformation of Pillars during Mining in the Shaft Pillar

Applied Sciences
This study of the strength and deformation of coal samples was triggered by the need to define the stress–strain characteristics of pillars during room and pillar mining in the shaft protective pillar at the ČSM Mine.
Jindřich Šancer, Vladimír Petroš, Vlastimil Hudeček, Pavel Zapletal   +3 more
doaj   +1 more source

Slenderness of trees in black locust stands

Leśne Prace Badawcze, 2018
This paper investigates the slenderness of black locust (Robinia pseudoacacia) trees in relation to the biosocial status of the trees, stand age class, crown parameters and habitat type.
Bijak Szymon, Orzoł Katarzyna
doaj   +1 more source

Aeroelastic Response of Spinning Projectiles with Large Slenderness Ratio at Supersonic Speed

Aerospace, 2023
Obvious aeroelastic deformation occurs in spinning projectiles with large slenderness ratio, which seriously affects flight stability and maneuverability.
Qi Liu, Juanmian Lei, Yong Yu, Jintao Yin   +3 more
doaj   +1 more source

Experimental Study on Slender CFRP-Confined Circular RC Columns under Axial Compression

Applied Sciences, 2021
The test results on the performance of carbon fiber-reinforced polymer (CFRP)-confined reinforced concrete (RC) columns under axial compression load are presented in this study.
Zhongjun Hu, Quanheng Li, Hongfeng Yan, Yuchuan Wen   +3 more
doaj   +1 more source

A Modified Method for Calculating the Uplift Capacity of Micropiles Considering the Correction of the Critical Embedment Depth

Buildings
As environmentally friendly pile foundations with small diameters and higher slenderness ratios, micropiles are widely used in fields such as transmission line engineering and building reinforcement.
Linli Bao, Yuesong Zheng, Yi Zhou, Dongya Wu, Wenhao Wang, Zhaoxiang Guo, Zhijun Xu   +6 more
doaj   +1 more source