Results 1 to 10 of about 1,605 (148)

Model Test Study on the Influence of the Spudcan Penetration Depth on the Horizontal Bearing Characteristics of Jack-Up Vessel for Wind Turbine Installation in Sandy Soil [PDF]

open access: yes, 2023
[Introduction] As an important construction equipment in the development of offshore wind power, studying the bearing performance of the jack-up vessel for wind turbine installation in the in-situ state to ensure its operation safety is of great ...
Conghuan LE   +5 more
core   +1 more source

Research on Ground Reinforcement Technology of Offshore Wind Power Monopile Foundation [PDF]

open access: yes, 2023
[Introduction] Under the guidance of energy policy with the goal of "double carbon", offshore wind power generation, as a new energy technology, has been widely applied and rapidly developed in China. Monopile foundation is the most economical and widely
Jiandong XIAO
core   +1 more source

Prioritizing global tall forests toward the 30 × 30 goals

open access: yesConservation Biology, Volume 37, Issue 6, December 2023., 2023
Abstract The Global Deal for Nature sets an ambitious goal to protect 30% of Earth's land and ocean by 2030. The 30 × 30 initiative is a way to allocate conservation resources and extend protection to conserve vulnerable and underprotected ecosystems while reducing carbon emissions to combat climate change.
Qiongyu Huang   +4 more
wiley   +1 more source

Active and passive full-space collaborative control technology and engineering application in deep roadways [PDF]

open access: yes, 2023
Due to the complex environment and ground stress at depth, and the various cross-sectional shapes and sizes, the damage types of deep roadways are diversified. The maximum ground stress, maximum compressive strength, and the corresponding support methods
Chengyi XU   +4 more
core   +1 more source

Damage characteristics and mechanical properties of superhigh-water material consolidated body under triaxial stress [PDF]

open access: yes, 2022
In order to study the damage characteristics of superhigh-wate consolidated body under triaxial stress state, uniaxial experiments of superhigh-water consolidated body under different curing time (1, 7, 14, 21, 28 d) were carried out.
Fangtian WANG   +4 more
core   +1 more source

Study on synergistic water-resisting stability of upper and lower soil layers and bedrock layer in shallow coal seam group [PDF]

open access: yes, 2023
The roof water inrush of shallow buried coal seam is caused by the water flowing fractured zone through the aquifuge. With the downward mining of coal seam group, the mechanism of synergistic water isolation between soil layer and bedrock layer needs to ...
Haifei LIN   +6 more
core   +1 more source

Bearing performance of wallboards in an electrostatic precipitator casing in consideration of stressed skin effect [PDF]

open access: yes, 2016
For a wallboard in an electrostatic precipitator casing playing stressed skin effect under vertical uniform pressure on the top, the failure mode and bearing capacity were investigated by nonlinear finite element method.
PAN Li-cheng   +5 more
core   +1 more source

组合L形冷弯钢管混凝土柱抗震性能试验研究

open access: yesJianzhu Gangjiegou Jinzhan, 2023
以荷载作用方向、截面类型、肢高宽比为参数,进行了4根组合L形冷弯钢管混凝土柱的拟静力试验,分析了各参数对试件破坏形态、承载力、延性及耗能等抗震指标的影响。并应用ABAQUS有限元软件建立了数值分析模型,分析了钢管厚度、轴压比等参数对试件承载力和延性影响。结果表明:试件的主要破坏模式为钢管鼓曲开裂,异形钢管的制作方式对试件破坏形态有一定影响,冷弯钢管组合焊接的试件未出现角部开裂,钢板组合焊接的试件出现角部纵向焊缝开裂现象,加快了试件的变形发展;荷载作用方向对试件延性和耗能能力影响不大 ...
王逸伦, 杨锋
doaj  

Selection and Design of Wind Turbine Foundation for an Offshore Wind Farm [PDF]

open access: yes, 2023
[Introduction] From 2022, the state subsidies for offshore wind power has been fully withdrawn. The foundation of offshore wind turbines is the supporting structure of wind turbines and plays a crucial role in the safe operation of offshore wind farms ...
Baoyang LI
core   +1 more source

PEC柱(弱轴)对穿螺栓端板连接抗震性能研究

open access: yesJianzhu Gangjiegou Jinzhan, 2021
为了研究部分包裹混凝土组合(PEC)柱(弱轴)与型钢梁对穿高强螺栓端板连接节点的抗震性能,考虑端板厚度、盖板厚度以及节点构造形式3个参数,设计了两种不同构造的梁柱节点,对其进行低周往复荷载试验和有限元模拟,分析了各设计参数对试验节点滞回性能、承载能力、节点刚度、延性和耗能能力等指标的影响。研究结果表明:盖板厚度由14mm增加至16mm时,节点承载力提高了33.91%,初始刚度提高了14.9%,延性降低了18.9%;端板厚度由12mm增加至14mm时,节点承载力提高了19.93%,初始刚度提高了15.1%,
赵根田   +5 more
doaj  

Home - About - Disclaimer - Privacy