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Online since: September 2014
Authors: Ru Qiang Xie, Tao Wu, Mei Wang, Xue Hui Wu
According to the building layout, frame columns spacing are around 8.0m, if the common cast-in-situ beam-slab system is adopted, the beam height will be close to 1.0m, in lower space the beam will highlight the roof about 0.8m, the perception of quality is affected , and as the load for the plate in the project is relatively large, the deflection is difficult to meet the design requirements, it can only be used in traditional stiffness floor form such as tic-tac floor or multi-ribbed floor.
Compared with the honeycombed core hollow floor, tic-tac floor and multi-ribbed floor in the construction process not only exist on the characteristics of the heavy side mould workload and a long period, but also by the structure calculation, the frame beam around 1 m, plus set fire sprinkler pipe and other factors of square surface to be considered, the floor clear height has been far from the use requirements.
Experimental study on mechanical property of stiffening- ribbed- hollow- pipe cast-in place reinforced concrete girderless floor[J].
Online since: December 2022
Authors: Falah Abu, Kamarudin Samuding, Siti Nor Farhana Zakaria, Nor Hasni Osman, Mohd Kamarul Irwan Abdul Rahim, Ismail Abustan, Maheera Mohamad, Mohd Remy Rozainy Mohd Arif Zainol
Characterization of soil samples included the determination of several basic properties, physicochemical properties and geotechnical properties of samples.
Soil samples 2) Physico-chemical Properties Physico-chemical properties of the laterite soil were determined.
Basic properties of the soil samples as according to the British Standard BS 1377 Method [11] are shown in Table 1.
FTIR spectrums of soil Geotechnical Properties Compaction is a process of increasing soil density and removing air, usually by mechanical means.
Ramli, Properties of laterite soils from sources near Nibong Tebal, Malaysia, Comput.
Online since: November 2023
Authors: Olurotimi A. Adeleye, Ihuoma V. Diwe, Henry E. Mgbemere
The use of microneedles to extract interstitial fluid and the creation of diagnostic tools that use microneedles with these properties have continued to get more attention.
Any microneedle system must be designed with a variety of factors in mind in order to be optimized.
Critical microarray design properties will be evaluated and predicted with the use of simulation studies [9].
It has also been done to model transdermal drug delivery using microneedles with an emphasis on how geometry affects drug transport behavior [20].
We believe that no theoretical attempts have previously been made to quantitatively estimate the impact of key design factors on the interstitial fluid extraction profile utilizing a hydrogel microneedle patch for diagnostic purposes.
Online since: June 2015
Authors: Yun Song, Xiao Peng Li, Wei Wang
However, due to the absence of a systematic indicators system integrating with the market and the lack of quantitative assessment on environmental benefits and social benefits, the function of market risk assessment in the technical utilization projects has been neglected, which leads to the weak market competitiveness of these utilized products and the increasing barriers on industrialization of these technologies.Based on these, this study intend to establish both a technical evaluation system and a comprehensive evaluation model, based on the economic, technical, social, environmental and policy factors which could provide necessary technical support for the recycling of nonmetallic material of WPCBS in China.
Physical recycling is to obtain nonmetallic regrind at different strength levels with such processes as mechanical grinding, screening and separation and apply the regrind to different products according to different particle size[6].
No matter the physical method or the chemical method is adopted to recycle nonmetallic materials, recycling technology significantly affects it.
Existing technology evaluation at home and abroad through the interaction between analytic technique and various relevant factors (ecological environment, social politics and substance economy), and therefore, the commonly used technology evaluation methods may be classified into expert scoring method, economic evaluation method, operation research evaluation and comprehensive evaluation method[7-15].
Methods for the measurement and calculation in the evaluation are mainly growth rate equation, direct statistics of technology project benefit as well as effect of technology progress on economic growth and analytic hierarchy process [16].Technology progress, specially referring to the proportion of technology progress factors in growth rate of output value of enterprises, is an comprehensive index which reflects the effect of technology progress on economic growth.
Online since: February 2014
Authors: Paolo Mercorelli
The outcomes are so general that it is possible to speak of structural properties in robotic manipulation.
Here it is proven that the non-interaction of"rigid--body'' object motions and reachable "internal'' forces are structural properties of general manipulation systems.
The following grasp properties have a relevant influence on the dynamic behaviour of the manipulation system, cf. [12, 11].
These properties are based on the existence of the null spaces of the Jacobian and grasp matrices J and G and of their transpose matrices.
On some geometric control properties of active suspension systems.
Online since: July 2012
Authors: Jian Kun Shun, Wen Lue Chen, Zhi Hua Hu, Jie Feng Lin
Both the electronic payment, online securities, Internet transactions, electronic contracts, online intellectual property office or online, in security, electronic seal technology means a better choice.
To ensure security, the watermark generation and the introduction of electronic seal verification process, to seal the image in the visual effects do not affect the premise, will recognize the identity of the signature stamp of data hidden in the picture, creating an electronic stamp; verification by comparing the The extraction of hidden data and the difference between the original data to determine the authenticity of the seal.
Beijing: Mechanical Industry(2009) , in press
[8] W.Xu: Library security features and its influencing factors.
Online since: June 2021
Authors: Zhao Ran Zheng, Kang Yuan
The σ and μ phases belonged to topologically-closed packed (TCP) phases which were brittle and dangerous for the alloys’ mechanical property.
Mismatch between the simulation and experiment results existed, but they semi-quantitatively matched, especially when considering other un-included factors such as local composition deviation and oxidation/interdiffusion phenomenon.
Fig. 10 gives thermodynamic calculation on phase fractions of the MCrAlY coating with different Al concentration at different temperature, which can simulate how Al depletion affected the microstructure during oxidation.
Online since: February 2026
Authors: Zahraa S. Salim, Diyah K. Shary, Hayder D. Almukhtar
They are highly valued for their advantageous properties, such as linear torque-speed behavior, ease of modeling, and simple operational requirements [2].
The AO metaheuristic optimization algorithm employs the hunting behavior of the Aquila bird, and it possesses both explorative and exploitative properties.
The optimized system has better stability and reduced steady-state error, so the motor performance is minimally affected by changes in the input signal[18].
These equations describe the electrical properties of the armature and field circuits, as well as the mechanical motion of the motor shaft.
Different camels experience varying temperatures as they travel to sparse areas, which affects each camel's capacity for endurance.
Online since: October 2010
Authors: Ya Qin Wang, Jian Feng Huang, He Jun Li
Carbon is known to react with oxygen above 400oC, property changes of a C/C composites during oxidation, specially the mechanical properties, are very sensitive to the oxidation of the carbon fibers and matrix [2].
Oxidation resistance of coated C/C composites in air is an important property characterizing and selecting good anti-oxidation coating.
Glass/yttrium silicates/SiC multi-layer coating exhibits good oxidation protective property for C/C composites up to 1600oC in air [12].
At this condition, oxidation of the sample lies on three factors, which are cracking number, cracking dimension and temperature.
Temperature distribution affects the weight loss and flexural strength distribution of the sample.
Online since: February 2011
Authors: Hong Liang Deng, Xiao Yin Fu, Wen Xue Gao, Ting Ting Ni, Kai Jiang Chen
Feasibility Research of Intelligent Alloy Composite Sandwich to Control Pavement Cracks Mechanical model and the basic calculation parameters.
In an asymmetric load, the tensile stress of the bottom layer is always negative whether it is before or after laying intelligent alloy composite sandwich, the opening mode stress intensity factor is zero, so the major consideration is changes of shear stress. τ = -1.193MPa when intelligent alloy sandwich unpaved.
Some studies have demonstrated that the stress intensity factor at the top of thermal crack is expansion style one, which size is related to the tensile stress at the top of crack.
As a result, the smoothness and bearing capacity of roads decrease and affect their performances.
Evaluation of Influence of Temperature on Mechanical Property of Glassgrid and Uncertainty [J].
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