Results 11 to 20 of about 189,572 (218)

Major, trace and platinum-group element geochemistry of harzburgites and chromitites from Fuchuan, China, and its geological significance

open access: yesOpen Geosciences, 2022
The Fuchuan peridotites have dual features of mid-ocean ridge basalt and supra-subducted zone peridotites and have been experienced high degrees of partial melting; chondrite-normalized “U”-shaped rare earth element (REE) patterns of Fuchuan harzburgites
Liu Ting, Wu Jun, Tan Qi, Bai Lijuan
doaj   +1 more source

Discussion on “Empirical methods for determining shaft bearing capacity of semi-deep foundations socketed in rocks” [J Rock Mech Geotech Eng 6 (2017) 1140–151]

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2018
A new comprehensive set of data (n = 178) is compiled by adding a data set (n = 72) collected by Arioglu et al. (2007) to the data set (n = 106) presented in Rezazadeh and Eslami (2017).
Ergin Arioglu   +2 more
doaj   +1 more source

Error Features in Predicting Typhoon Winds: A Case Study Comparing Simulated and Measured Data

open access: yesAtmosphere, 2022
Simulating a typhoon’s wind field via mesoscale models is important in terms of providing not only the guidelines for urban planning and onshore/offshore constructions, but also the provision of insight into the dynamics and thermodynamics of tropical ...
Shaoyuan Peng   +5 more
doaj   +1 more source

Bending Strength of Connection Joints of Prestressed Reinforced Concrete Pipe Piles

open access: yesBuildings, 2023
The connection joint of prestressed concrete pipe piles is a typical steel–concrete structure, and its bending strength has evolved into a critical factor affecting the safety of supporting structures in underground engineering.
Mengxiong Tang, Zao Ling, Yuliang Qi
doaj   +1 more source

An innovative design of mega shaft boring machine (SBM) cutterhead based on TRIZ and AD theory

open access: yesAdvances in Mechanical Engineering, 2023
Cutterhead is the key component of the mega shaft boring machine (SBM), whose complex structure and huge size lead to high manufacturing difficulty and cost, and its reliability is difficult to guarantee under huge loads.
Jing Xiao   +5 more
doaj   +1 more source

Research on the Method of Detecting the Spreading Rate of the Simultaneous Crushed Stone Sealing Layer Based on Machine Vision

open access: yesAdvances in Civil Engineering, 2022
Synchronous chip seal is an advanced road constructing technology, and the gravel coverage rate is an important indicator of the construction quality. The traditional method to measure the gravel coverage rate usually depends on observation by human eyes,
Xin Rong   +3 more
doaj   +1 more source

Tower Crane Layout Planning: Multi-Optimal Solutions Algorithm

open access: yesBuildings
Effective tower crane layout planning is essential for the success of construction projects. Traditional optimization algorithms, which often provide a single optimal solution, may not always reveal the global optimum, leaving room for doubt.
Xiaokang Huang   +6 more
doaj   +1 more source

Benchmarking project level engineering productivity / Inžinerinės veiklos našumo lyginimas projektų lygmeniu

open access: yesJournal of Civil Engineering and Management, 2012
The benchmarking of engineering productivity can assist in the identification of inefficiencies and thus can be critical to cost control. Recognizing the importance of engineering productivity measurement, the Construction Industry Institute (CII ...
Pin-Chao Liao   +5 more
doaj   +1 more source

The Development of a New Thermoplastic Elastomer (TPE)-Modified Asphalt

open access: yesBuildings, 2023
The use of (recycled) plastics and (waste) vulcanized rubber powder is the main polymer of raw materials, and composite organic additives are selected to fully combine with asphalt components.
Rui Dong   +5 more
doaj   +1 more source

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