Results 21 to 30 of about 517 (169)

Methodological aspects and algorithms for estimating soil strength and their applications with the model REPRO [PDF]

, 2021
Bodenverdichtungen beeinträchtigen alle Bodenfunktionen. Ein Werkzeug, das helfen kann sie zu vermeiden, sind mathematisch-empirische Modelle. In der Arbeit wird ein Beitrag zur Weiterentwicklung der Modelle geleistet.
Rücknagel, Jan
core   +1 more source

EXCEL ADD-IN TO MODEL THE SOIL COMPRESSION CURVE [PDF]

Engenharia Agrícola, 2017
Soil compression curve (CC) provides parameters to identify soil load-bearing capacity and susceptibility to compaction. An Excel add-in (ACC) incorporating graphical procedures for mathematical models for soil CC description and calculation of ...
Paulo I. Gubiani, Dalvan J. Reinert, José M. Reichert, Rafael Z. Goulart, Eracilda Fontanela   +4 more
doaj   +2 more sources

Structural Design and Sealing Performance Analysis of Biomimetic Sealing Ring

Applied Bionics and Biomechanics, 2015
In order to reduce the failure probability of rubber sealing rings in reciprocating dynamic seal, a new structure of sealing ring based on bionics was designed.
Chuanjun Han, Han Zhang, Jie Zhang
doaj   +1 more source

The Influence of Discrete Fibers on Mechanical Responses of Reinforced Sand in Direct Shear Tests

Applied Sciences, 2021
To investigate the influences of discrete fiber strips on the mechanical properties of reinforced sand, a series of direct shear tests were conducted.
Chidochashe Clemency Nhema, Han Ke, Pengcheng Ma, Yunmin Chen, Shiyu Zhao   +4 more
doaj   +1 more source

Simulation Analysis of Sealing Characteristics of K-Shaped Metal Ring on Tubing Hanger

Shiyou jixie, 2021
To study the optimal precompression of the self-tightening metal sealing ring and its sealing performance affected by the pressure and temperature load of the working medium, a K-shaped metal seal ring on the tubing hanger is taken as an example.
田懿, 巨亚锋, 蒲晓莉, 吕红刚, 赵钰, 冯定   +5 more
doaj  

The effect of tractor wheeling on the soil properties and root growth of smooth brome

Plant, Soil and Environment, 2014
The objective of this work was to evaluate the effect of tractor wheeling with a light tractor on the root growth and soil properties of smooth brome in South Estonia. Field experiment was conducted on sandy loam Haplic Luvisol in 2007.
K. Krebstein, K. von Janowsky, J. Kuht, E. Reintam   +3 more
doaj   +1 more source

The challenge in estimating soil compressive strength for use in risk assessment of soil compaction in field traffic

, 2023
Society calls for protection of agricultural soils in order to sustain the production of foods for a growing population. Compaction of subsoil layers is an increasing problem in modern agriculture and a cause of serious concern because of the poor ...
Keller, Thomas,, Sveriges lantbruksuniversitet.   +1 more
core   +2 more sources

Electrically Conductive Nanocarbon/Elastomer Composite Inks for Flexible and Wearable Strain Sensing. [PDF]

Small
An eco‐friendly ink combining carbon nano‐onions, carbon nanotubes, and a SEBS elastomer is formulated in biomass‐derived 2‐MeTHF. Dip‐coated and blade‐coated strain sensors show high conductivity, mechanical flexibility, and stable performance under repeated compression and tension.
Nemala SS, Bernardino B, Pinto RMR, Lopes V, Alpuim P, Çaha I, Sotgiu E, Gómez-Fatou MA, Vega JF, Salavagione HJ, Capasso A.   +10 more
europepmc   +2 more sources

Assessing Temporal Changes of the Soil Mechanical Strength of a Volcanic Ash Soil at Different Bulk Densities Under Pasture

, 2023
This study analyzed the time- and water content-dependent changes in penetration resistance (PR) profiles of an Andosol at different dry bulk densities under pasture.
Dorner, Jose, Werth, Jorge, Horn, Rainer, Bravo, Sebastian, Wendroth, Ole, Dec, Dorota, Zuñiga, Felipe, Clunes, John, Valle, Susana   +8 more
core   +1 more source

Secondary consolidation characteristics and settlement calculation of soft soil treated by overload preloading

Shuiwen dizhi gongcheng dizhi, 2021
In order to examine the secondary consolidation characteristics of the soft soil treated with overloading preloading and analyze the post-construction settlement of the soft soil foundation treated with overloading preloading, the soft soil of the ...
Liguo CHEN, Haotian WU, Xiaobin CHEN, Jianqing HE   +3 more
doaj   +1 more source