Results 201 to 210 of about 6,682 (253)

Dynamic Triaxial Tests of High‐Strength Concrete

Journal of Engineering Mechanics - ASCE, 1989
Dynamic triaxial compression experiments were performed on a limestone-aggregate concrete whose unconfined static compressive strength is about 100 MPa. The axial strain rates ranged from 0.5/s to 10/s, the confinement levels ranged from zero to 124 MPa, and the peak axial loads ranged from 103 MPa to 393 MPa.
A L Florence
exaly   +2 more sources

Dynamic Stress-Strain Relationship of Saturated Clay by Dynamic Triaxial Test [PDF]

Advanced Materials Research, 2011
Subgrade diseases are exposed more and more serious with raising speed of existing railway in wide range. Fro the complexity of dynamic stress-strain relationship of soil, dynamic triaxial test was used to analyze .the dynamic mechanics behavior under cyclic train load for saturated soft clay in Yangtze Delta region.
Jian Yi Yuan
openaire   +2 more sources

Dynamic Triaxial Test on Sand

2011
Triaxial experiments are a common method for measuring shear strength. Usually the loading in the shear phase in these experiments are done at a quasi-static rate but in many real instances the loading is dynamic in nature. Therefore, a triaxial setup has been developed based on a Kolsky bar experimental technique to characterize the shear response of ...
Md. E. Kabir, Weinong W. Chen
openaire   +1 more source

Servo-controlled equipment for dynamic triaxial testing of soils

Géotechnique, 1972
THIS NOTE OUTLINES THE DETAILS OF THE LATEST SERVOCONTROLLED HYDRAULIC TYPE OF MACHINE FOR SOIL TESTING. TWO IMPORTANT FEATURES OF THIS TYPE OF APPARATUS ARE THAT PROGRAMMED STRESS CHANGES WITH TIME CAN BE APPLIED WITHOUT BEING AFFECTED BY CHANGES IN SAMPLE BEHAVIOR DURING THE TEST, AND THAT ANY TYPE OF COMPLEX WAVEFORM OF LOADING CAN BE READILY ...
G. Cullingford, A. K. F. Lashine, G. B. Parr   +2 more
openaire   +1 more source

Large triaxial test study on dynamic characteristics of round gravel

Arabian Journal of Geosciences, 2020
A series of large-scale drained dynamic triaxial tests were conducted on Nanning saturated gravel soil to investigate dynamic characteristics. The effects of relative density, dynamic stress amplitude, and the number of load cycles on the pore pressure, accumulation strain, and stress–strain hysteresis loops of saturated round gravel soil were analyzed.
Shaokun Ma, Zhibo Duan, Ying Liu, Bo Wang, Yu Shao   +4 more
openaire   +1 more source

Identifying fatigue damage of mudded intercalations based on dynamic triaxial test

Engineering Geology, 2021
Abstract Fatigue damage caused by cyclic dynamic loading may deteriorate strength parameters of mudded intercalations. This research work aimed at defining a new fatigue damage variable expression and revealing the fatigue damage evolution laws of mudded intercalations by conducting dynamic triaxial tests.
Changbin Yan, Hejian Wang, Xiao Xu, Yanchang Zhang   +3 more
openaire   +1 more source

Dynamic characteristics of warm frozen soil under direct shear test-comparison with dynamic triaxial test

Soil Dynamics and Earthquake Engineering, 2020
Abstract A series of dynamic direct shear tests and triaxial tests were conducted to investigate the dynamic properties of the warm frozen soil along the Qinghai-Tibet railway. The relationship between dynamic shear stress and dynamic shear strain of frozen soil under relatively high negative temperature is given according to the test results.
Jiankun Liu, Yinghui Cui, Xin Liu, Dan Chang   +3 more
openaire   +1 more source

Hopkinson Techniques for Dynamic Triaxial Compression Tests

2006
A modified Hopkinson technique is developed to simultaneously load a sample in both the axial and radial directions. This is accomplished by using a composite incident-bar and a composite transmission-bar system. The incident-bar system consists of a large-diameter bar, followed by a small-diameter bar that fits inside a tube whose outside diameter is ...
Jacob Rome, Jon Isaacs, Sia Nemat-Nasser
openaire   +1 more source

Dynamic Triaxial Test Research of Stage Change of Cohesive Soil

Applied Mechanics and Materials, 2013
With the STX-50 pneumatic-typed dynamic triaxial system, the undrained dynamic triaxial tests on the saturated cohesive soil are performed to study the dynamic strength properties. The changing process of the dynamic strength, backbone curve and the soil deformation of the cohesive soil under dynamic load are zoom analysis by stages to get their ...
Xiao Yang Rong, Tian Hong Yang, Pei Tao Wang, Hong Wang, Yang Li   +4 more
openaire   +1 more source