Results 41 to 50 of about 30,141 (157)

Sampling equipments and methods for undisturbed and remolded loess.

open access: yes, 2022
(A) Undisturbed loess specimen sealed in iron cylinder. (B) Preparation of undisturbed loess cutting ring specimen. (C) Remodeling specimen preparation equipment. (D) Reshaping specimen preparation tool. (E) Remodeling cutting ring specimen.
Jun Zhang (48506)   +4 more
core   +1 more source

Dynamic Characteristics and Mechanism of the Saturated Compacted Loess under Freeze-Thaw Cycles

open access: yesGeofluids, 2021
To study the dynamic characteristics and mechanism of saturated loess after freeze-thaw cycles, a series of laboratory tests including freeze-thaw cycle tests, dynamic triaxial tests, and scanning electron microscope tests of the saturated remolded loess
Qian Wang   +5 more
doaj   +1 more source

Study on Energy Dissipation Characteristic of Ice‐Rich Frozen Soil in SHPB Compression Tests

open access: yesGeofluids, Volume 2022, Issue 1, 2022., 2022
Frozen soil will inevitably bear dynamic loads (impact and blasting) in the construction process in cold regions; the investigation of dynamic energy dissipation characteristic of ice‐rich frozen soil is beneficial to optimize blasting parameters and the design of underground explosion‐proof structure. In this study, the dynamic impact laboratory tests
Ma Dongdong   +5 more
wiley   +1 more source

Shear stress-shear displacement curve of 4#-18# undisturbed and 22# - 36# remolded loess specimens under different vertical pressure.

open access: yes, 2022
(A) Shear stress-shear displacement curve of 4#、7# - 10# undisturbed and 22#、25#-28# remolded loess specimens (w = 16%). (B) Shear stress-shear displacement curve of 5#、11# - 14# undisturbed and 23#、29#-32# remolded loess specimens (w = 19%).
Jun Zhang (48506)   +4 more
core   +1 more source

Effect of Dry‐Wet Cycles on Strength Properties and Microstructure of Lime‐Metakaolin‐Modified Soil

open access: yesAdvances in Civil Engineering, Volume 2022, Issue 1, 2022., 2022
To explore the feasibility of replacing natural hydraulic lime (NHL) with lime‐metakaolin (L‐MK) in the restoration of soil sites, the samples of L‐MK‐modified silty sand (hereinafter L‐MK‐modified soil) underwent 0, 5, 10, and 15 dry‐wet cycles and were then tested for mass loss, unconfined compressive strength, and splitting tensile strength.
Xinming Li   +5 more
wiley   +1 more source

Vertical strain-shear displacement curve of 4# - 18# undisturbed and 22# - 36# remolded loess specimens under different vertical pressure.

open access: yes, 2022
(A) Vertical strain-shear displacement curve of 4#、7# - 10# undisturbed and 22#、25# - 28# remolded loess specimens (w = 16%). (B) Vertical strain-shear displacement curve of 5#、11# - 14# undisturbed and 23#、29# - 32# remolded loess specimens (w = 19 ...
Jun Zhang (48506)   +4 more
core   +1 more source

Mechanical Properties and Microstructure Characteristics of the Loess Modified by the Consolid System

open access: yesAdvances in Materials Science and Engineering, Volume 2022, Issue 1, 2022., 2022
The soil stabilizer of the Consolid system (content: 0%–2.46%) was used for the modification of collapsible loess. The consolidation test, compression test, collapsibility test, and strength test of modified loess were conducted. In addition, X‐ray diffraction (XRD), scanning electron microscopy (SEM), and mercury injection tests were carried out to ...
Yongde Liu   +6 more
wiley   +1 more source

Study on the Effect of Moisture Content and Dry Density on Shear Strength of Silty Clay Based on Direct Shear Test

open access: yesAdvances in Civil Engineering, Volume 2022, Issue 1, 2022., 2022
Silty clay is a kind of clay with more powder group than sand group, and its shear strength is mainly influenced by moisture content, dry density, and particle gradation. In this study, the deformation characteristics of silty clay under different normal pressure conditions were investigated from the perspective of control variables through indoor ...
Qinrong Kang   +5 more
wiley   +1 more source

Residual strength index of 4#-18# undisturbed and 22# - 36# remolded loess specimens.

open access: yes, 2022
Residual strength index of 4#-18# undisturbed and 22# - 36# remolded loess specimens.
Jun Zhang (48506)   +4 more
core   +1 more source

Residual strain- vertical pressure curve of 4# - 18# undisturbed and 22# - 36# remolded loess specimens.

open access: yes, 2022
Residual strain- vertical pressure curve of 4# - 18# undisturbed and 22# - 36# remolded loess specimens.
Jun Zhang (48506)   +4 more
core   +1 more source

Home - About - Disclaimer - Privacy